Wind power generation device based on magnetic fluid

Abstract

The utility model discloses a wind power generation device based on magnetic fluid, and belongs to the technical field of wind power generation. Comprising an impeller shaft, a first channel, a second channel, a first crank connecting rod set and a second crank connecting rod set, electrode plates are arranged at the top of the first channel and the bottom of the second channel correspondingly, a first piston is arranged in the first channel, and a second piston is arranged in the second channel; metal magnetic fluids are respectively placed in the first piston and the second piston; an impeller is arranged at the top of the impeller shaft, a turntable is arranged at the bottom of the impeller shaft, and a transmission shaft is arranged at the bottom of the turntable and connected with the first piston through a first crank connecting rod group; the bottom of the transmission shaft is connected with a steering rod which is connected with the second piston through the steering rod and a second crank connecting rod set. The wind wheel and the crank connecting rod mechanism are adopted to push the liquid metal magnetofluid to reciprocate for power generation, low-wind-speed driving can be achieved, and the problems that wind energy is difficult to utilize and power generation efficiency is low in the low-wind-speed environment are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to a wind power generation device based on magnetic fluid. Background Art

[0002] The statements herein merely provide background art related to the present invention and do not necessarily constitute prior art.

[0003] In recent years, as human energy consumption capacity continues to rise, the importance of developing and utilizing new energy has gradually become prominent between the growing energy demand and the increasingly tight supply, and the task of developing clean energy has become particularly urgent.

[0004] At present, the new energy sources that have been developed and utilized worldwide mainly include solar energy, hydropower, wind energy, biomass energy, etc. Among them, wind energy resources have become a more ideal new energy choice due to their rapid development, mature technology and commercial application. Therefore, the development of wind energy is a good direction for the development of new energy. Its further development and utilization is expected to effectively alleviate the energy crisis, promote economic development and benefit mankind.

[0005] However, wind energy resources are not evenly distributed, and wind power varies greatly at different times and in different regions. Most wind turbines start at high wind speeds, which results in relatively few high wind speed periods in some areas, with low wind speeds for most of the time, causing local wind turbines to be shut down for a long time, which is undoubtedly a waste of equipment and low wind speed wind energy.

[0006] Traditional wind power generation systems generally include blades, pitch control mechanisms, transmission gear transmissions, etc. There is a relatively large energy loss in the power transmission process, and the internal structure of the transmission gear transmission is complex. Under high wind speed conditions, due to the large impact load, problems such as tooth surface wear, tooth surface bonding, and tooth surface pitting may occur, which will affect the service life of the wind turbine and cause waste of equipment and resources. Utility Model Content

[0007] In view of the shortcomings of the prior art, the purpose of the embodiments of the utility model is to provide a wind power generation device based on magnetic fluid, which uses wind force to drive the impeller to rotate, and then drives the liquid metal magnetic fluid to reciprocate through a crank-connecting rod mechanism, cutting the magnetic lines of force to generate induced current to achieve wind power generation. It can achieve wind power generation in a low wind speed environment while reducing damage to the transmission mechanism.

[0008] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0009] A wind power generation device based on magnetic fluid comprises an impeller shaft, a first channel and a second channel, a first crank-connecting rod group and a second crank-connecting rod group, the top of the first channel and the bottom of the second channel are respectively provided with electrode plates, a first piston is provided inside the first channel, a second piston is provided inside the second channel, and metal magnetic fluid is placed inside the first piston and the second piston respectively;

[0010] An impeller is arranged at the top of the impeller shaft, a rotating disk is arranged at the bottom of the impeller shaft, a transmission shaft is arranged at the bottom of the rotating disk, one end of the first crank-connecting rod group is connected to the transmission shaft, and the other end of the first crank-connecting rod group is connected to the first piston;

[0011] A steering rod is connected to the bottom of the transmission shaft, and the transmission shaft is connected to one end of the second crank-connecting rod group through the steering rod. The other end of the second crank-connecting rod group is connected to the second piston, so that the movement directions of the first piston and the second piston are opposite.

[0012] By adopting the above technical solution, the impeller rotates under the action of wind, and the rotation of the impeller is converted into the reciprocating motion of the first crank-connecting rod group and the second crank-connecting rod group, and the movement directions of the first crank-connecting rod group and the second crank-connecting rod group are opposite, thereby driving the metal magnetic fluid to reciprocate, and the metal magnetic fluid cuts the magnetic flux lines to generate induced electromotive force, so that the electrode plates on both sides of the channel generate an electric potential difference, and finally realize wind power generation. Liquid metal magnetic fluid has the characteristic of easy flow, so wind power generation can be achieved at a lower wind speed. The crank-connecting rod structure is used instead of the gear structure, which reduces the displacement or damage of the device parts of the wind power device caused by the rotation of the gears.

[0013] In some embodiments, further comprising a stent;

[0014] A connecting piece is sleeved on the impeller shaft, the connecting piece is rotatably connected to the impeller shaft, and the bottom of the connecting piece is arranged on the bracket; the first channel and the second channel are arranged on the bracket.

[0015] In some embodiments, the bracket includes a support frame, a support seat longitudinally arranged in the middle of the support frame, and a base arranged below the support frame, a support rod is connected between the support frame and the base, and the support seat is sleeved on the support frame;

[0016] The bottom of the connecting member is arranged on the supporting frame, and the first channel and the second channel are arranged transversely on the supporting seat.

[0017] By adopting the above technical solution, the support structure composed of the support frame, the support seat and the base is used to ensure the normal rotation of the impeller shaft and the normal transmission between the impeller shaft and the crank connecting rod assembly, and at the same time, the overall structure of the device is made more stable.

[0018] In some embodiments, the steering rod includes a rod body, one end of the rod body is connected to the transmission shaft, and the other end of the rod body is connected to the steering shaft.

[0019] By adopting the above technical solution, the steering rod and the transmission shaft form a Z-shaped structure, and the two ends are respectively connected to the first crank-connecting rod group and the second crank-connecting rod group, so that during the rotation of the turntable, the movement directions of the first crank-connecting rod group and the second crank-connecting rod group are opposite, which meets the requirements of dual-channel magnetohydrodynamic fluid power generation.

[0020] In some embodiments, the transmission shaft is located at an edge of the turntable.

[0021] In some embodiments, the first crank-connecting rod assembly includes a plurality of crank-connecting rods articulated in sequence.

[0022] By adopting the above technical solution, the transmission action of the crank connecting rod is utilized to drive the piston to reciprocate.

[0023] In some embodiments, the first piston and the second piston have the same structure, the first piston includes a first piston plate, a second piston plate and a connecting rod, the first piston plate and the second piston plate are vertically arranged, one end of the connecting rod is connected to the first piston plate, and the other end of the connecting rod is connected to the second piston plate.

[0024] By adopting the above technical solution, the reciprocating motion of the piston can be achieved through only one set of crank connecting rods, thereby simplifying the transmission structure.

[0025] In some embodiments, the impeller, the impeller shaft and the turntable are an integral structure.

[0026] By adopting the above technical solution, the impeller, the impeller shaft and the turntable form a wind-catching mechanism, which can better transmit wind power.

[0027] In some embodiments, the impeller includes a plurality of blades, and the blades are evenly distributed along the circumference of the impeller shaft.

[0028] By adopting the above technical solution, the impeller can rotate better under the action of wind.

[0029] In some embodiments, the first channel is a hollow rectangular parallelepiped structure, and both ends of the first channel are open.

[0030] By adopting the above technical solution, the connection movement between the crank connecting rod structure and the piston is facilitated.

[0031] The technical solution provided by the utility model has at least the following technical effects or advantages:

[0032] 1. The technical solution provided by the utility model uses metal magnetofluid power generation in a wind power generation device, utilizing the good matching performance of magnetofluid power generation and low-speed drive, and the easy flow of liquid metal in the power generation channel, thereby lowering the threshold of wind speed for wind power generation and solving the problem of difficulty in utilizing wind energy in a low wind speed environment.

[0033] 2. The technical solution provided by the utility model adopts a wind-catching mechanism composed of an impeller shaft, an impeller and a turntable to drive the crank-connecting rod mechanism to move, without the need for a transmission gear box, thereby avoiding the influence of frequent failures of the transmission gear box on the service life of the wind power generation device.

[0034] 3. The technical solution provided by the utility model adopts a transmission mode in which the wind-catching mechanism drives the crank-connecting rod mechanism to move, thereby promoting the liquid metal magnetic fluid to perform cutting movement in the magnetic field. Compared with traditional wind power generation, the power transmission structure is simplified, the number of wind energy conversion levels is reduced, and the transmission process is simplified, thereby improving the transmission efficiency and solving the problem of low wind power generation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0036] Figure 1 It is a structural schematic diagram provided by an embodiment of the utility model;

[0037] Figure 2 It is a partial cross-sectional schematic diagram provided by an embodiment of the utility model;

[0038] Figure 3 It is a schematic diagram of the operating principle provided by the embodiment of the utility model;

[0039] Figure 4 This is a schematic diagram of the principle of magnetic fluid power generation provided by an embodiment of the utility model;

[0040] In the figure: 1. impeller shaft; 2. support frame; 3. turntable; 4. blades; 5. plate body; 6. power generation channel; 7. electrode plate; 8. base; 9. support rod; 10. second piston plate; 11. inspection mechanism.

[0041] In order to show the positions of various parts, the distances or sizes between them are exaggerated and the schematic diagram is for reference only. DETAILED DESCRIPTION

[0042] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0043] As introduced in the background technology, the wind power generation device in the prior art has high requirements for wind strength and cannot effectively utilize wind energy at low wind speeds. In addition, the use of a gear transmission structure can easily cause displacement and damage to parts within the device. In order to solve the above technical problems, the utility model proposes a wind power generation device based on magnetic fluid, which combines the easy flow characteristics of liquid metal magnetic fluid with wind power generation to effectively utilize wind energy in low wind speed scenarios.

[0044] Combination Figure 1-Figure 4 The magnetic fluid-based wind power generation device includes a bracket, an impeller shaft 1, a first channel and a second channel, a first crank-connecting rod group and a second crank-connecting rod group. The bracket includes a support frame 2, a support seat and a base 8. The support seat includes two oppositely arranged plates 5 and a rod body vertically fixed between the plates. The rod body is respectively located at both ends of the plate body 5. The first crank-connecting rod group includes a hinged first connecting rod and a second connecting rod. The second crank-connecting rod group includes a hinged third connecting rod and a fourth connecting rod.

[0045] In order to ensure the normal operation of the transmission relationship of the device, the support frame 2 is used in this embodiment to ensure that the device has sufficient operating space. The base 8 is located below the support frame 2, and the base 8 is connected to the support frame 2 through four support rods 9. The support rods 9 are located at the four corners of the support frame 2 to ensure stable support for the support frame 2. The base 8 is longitudinally arranged in the middle of the support frame 2 and is sleeved on the support frame 2. There is a placement space for the first channel and the second channel between the plate body 5. In this embodiment, the support frame 2 is a rectangular support frame 2.

[0046] The first channel and the second channel are horizontally placed between two plates 5 arranged opposite to each other, and the first channel and the second channel are arranged adjacent to each other; specifically, the first channel and the second channel are both through rectangular parallelepiped structures, and the bottom plate of the first channel is the top plate of the second channel. A first piston is installed inside the first channel, and the first piston is slidably connected to the first channel; a second piston is installed inside the second channel, and the second piston is slidably connected to the second channel; metal magnetic fluids are placed inside the first piston and the second piston, respectively, and electrode plates 7 are fixed to the top of the upper plate 5 and the bottom of the lower plate 5.

[0047] In order to further simplify the transmission structure, in the present embodiment, the first piston and the second piston have the same structure, the first piston comprises a first piston plate, a second piston plate 10 and a connecting rod, the first piston plate and the second piston plate 10 are vertically arranged, one end of the connecting rod is connected to the first piston plate, and the other end of the connecting rod is connected to the second piston plate 10.

[0048] In this embodiment, the metal magnetic fluid is in liquid state and is easy to flow in the power generation channel 6 without relying on high-speed movement, thereby lowering the threshold of wind speed for wind energy utilization and solving the problem of difficulty in utilizing wind energy in low wind speed environments.

[0049] The middle part of the impeller shaft 1 is sleeved with a connecting piece, which includes a bearing rotatably connected to the impeller shaft 1 and a round rod fixed to the circumferential side of the bearing. The bearing is interference fit with the impeller shaft 1, and the bottom end of the round rod is fixed to the top of the support frame 2. An impeller is fixed to the top of the impeller shaft 1, and a turntable 3 is fixed to the bottom of the impeller shaft 1. The impeller, the impeller shaft 1 and the turntable 3 are coaxially arranged. A transmission shaft is vertically fixed to the bottom of the turntable 3, and the transmission shaft is located at the edge of the turntable 3. One end of the first connecting rod is connected to the transmission shaft, and the other end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is connected to the first piston.

[0050] A horizontally arranged rod body is fixed at the bottom of the transmission shaft, and the other end of the rod body is connected to a vertically arranged steering shaft, the transmission shaft and the steering shaft are on opposite sides, and the transmission shaft, the rod body and the steering shaft are an integrated structure. The transmission shaft is connected to one end of the third connecting rod, the other end of the third connecting rod is hinged to one end of the fourth connecting rod, and the other end of the fourth connecting rod is connected to the second piston.

[0051] Furthermore, in order to enable the impeller to better capture wind, the impeller includes a plurality of blades 4 , and the blades 4 are evenly distributed along the circumference of the impeller shaft 1 .

[0052] The working method of this embodiment is as follows:

[0053] The impeller rotates under the action of wind force, and the rotation of the impeller drives the first crank connecting rod group to reciprocate through the turntable 3 and the transmission shaft, converting the wind force into mechanical energy. At this time, the second connecting rod is connected to the piston, driving the piston to reciprocate, realizing the reciprocating motion of the metal magnetic fluid in the first channel, so that the metal magnetic fluid reciprocates through Figure 3 At the outlet section and the inlet section, the electrode plate 7 forms a uniform large-area magnetic field. The crank movement causes the piston to push the metal magnetic fluid through the magnetic field area. According to Faraday's law of electromagnetic induction, the metal magnetic fluid cuts the magnetic lines of force to generate an induced electromotive force, which causes a potential difference between the electrode plates 7 on both sides of the channel. The current passes through the corresponding load, realizing the conversion of mechanical energy into electrical energy, and finally realizing wind power generation.

[0054] At the same time, the second crank connecting rod group drives the second piston to move in the opposite direction of the first piston, so that the two pistons form a simple harmonic motion with opposite movement directions and lower speed. This simple harmonic motion meets the requirements of the magnetic fluid to cut the magnetic flux lines in a circular reciprocating manner; the opposite movement direction meets the requirements of dual-channel magnetic fluid power generation (to eliminate the influence of the induced magnetic field during the magnetic fluid power generation process); the lower speed meets the requirements of magnetic fluid power generation for low-speed cutting. And this cyclic motion will eventually form alternating current, which matches the characteristics of the power generation system itself to generate alternating current.

[0055] In some embodiments, an inspection mechanism 11 is used to inspect the power generation status of a wind power generation device. The inspection mechanism 11 includes a light bulb and a wire. The light bulb is connected to a circuit where a magnetic fluid cuts magnetic flux lines to generate current through the wire. The metal magnetic fluid cuts magnetic flux lines to generate current in the circuit, causing the light bulb to light up.

[0056] Although the above describes the specific implementation methods of the utility model in combination with the accompanying drawings, it is not intended to limit the scope of protection of the utility model. Technical personnel in the relevant field should understand that on the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A wind power generation device based on magnetic fluid, characterized in that: It includes an impeller shaft, a first channel and a second channel, a first crank-connecting rod group and a second crank-connecting rod group, the top of the first channel and the bottom of the second channel are respectively provided with electrode plates, a first piston is provided inside the first channel, a second piston is provided inside the second channel, and metal magnetic fluid is placed inside the first piston and the second piston respectively; An impeller is arranged at the top of the impeller shaft, a rotating disk is arranged at the bottom of the impeller shaft, a transmission shaft is arranged at the bottom of the rotating disk, one end of the first crank-connecting rod group is connected to the transmission shaft, and the other end of the first crank-connecting rod group is connected to the first piston; A steering rod is connected to the bottom of the transmission shaft, and the transmission shaft is connected to one end of the second crank-connecting rod group through the steering rod. The other end of the second crank-connecting rod group is connected to the second piston, so that the movement directions of the first piston and the second piston are opposite.

2. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: Also includes a stand; A connecting piece is sleeved on the impeller shaft, the connecting piece is rotatably connected to the impeller shaft, and the bottom of the connecting piece is arranged on the bracket; the first channel and the second channel are arranged on the bracket.

3. The magnetic fluid-based wind power generation device according to claim 2, characterized in that: The bracket includes a support frame, a support seat longitudinally arranged in the middle of the support frame, and a base arranged below the support frame, a support rod is connected between the support frame and the base, and the support seat is sleeved on the support frame; The bottom of the connecting member is arranged on the supporting frame, and the first channel and the second channel are arranged transversely on the supporting seat.

4. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: The steering rod comprises a rod body, one end of the rod body is connected to the transmission shaft, and the other end of the rod body is connected to the steering shaft; The transmission shaft is on the opposite side of the steering shaft, and the transmission shaft, the rod body and the steering shaft are an integrated structure.

5. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: The transmission shaft is located at the edge of the turntable.

6. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: The first crank-connecting rod assembly includes a plurality of crank-connecting rods hinged in sequence.

7. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: The first piston and the second piston have the same structure. The first piston includes a first piston plate, a second piston plate and a connecting rod. The first piston plate and the second piston plate are vertically arranged. One end of the connecting rod is connected to the first piston plate, and the other end of the connecting rod is connected to the second piston plate.

8. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: The impeller, the impeller shaft and the rotating disk are an integrated structure.

9. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: The impeller includes a plurality of blades, and the blades are evenly distributed along the circumference of the impeller shaft.

10. The magnetic fluid-based wind power generation device according to claim 1, characterized in that: The first channel is a hollow rectangular parallelepiped structure, and both ends of the first channel are open.

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