WO2019210480A1

WO2019210480A1 - Power generation device, power generation assembly and power generation method

Info

Publication number: WO2019210480A1
Application number: PCT/CN2018/085462
Authority: WO
Inventors: 孔随治
Original assignee: 北京触动力科技有限公司
Priority date: 2018-05-03
Filing date: 2018-05-03
Publication date: 2019-11-07

Abstract

Disclosed are a power generation device, a power generation assembly and a power generation method. The power generation device comprises a housing (1); a leadscrew (2), a first end of the leadscrew being connected to the top of the housing (1), and a second end of the leadscrew (2) extending toward the bottom of the housing (1); a magnetor stator (3) and a magnetor rotor, the magnetor stator (3) being arranged at the bottom of the housing (1), and the magnetor rotor being mounted at the second end of the leadscrew (2); a shaft sleeve (4), a threaded hole being provided on same, and the leadscrew (2) being in screw joint within the threaded hole; and a pressing plate (6) that is located on the outer side of the housing (1), a first end of a connecting shaft (5) being connected to the pressing plate (6), and a second end of the connecting shaft (5) extending into the housing (1) and being fixedly connected to the shaft sleeve (4). The power generation assembly comprises a floor and the power generation device, and the floor is connected to the pressing plate (6). The power generation method is used for generating power according to the power generation assembly. By means of the power generation device, the power generation assembly and the power generation method, the power generation efficiency and the power generation capacity are improved, mechanical energy loss in the power generation process is reduced, large-scale power generation is realized, practicability is increased, a conversion link for converting pressure into electric energy is omitted, and stability and reliability are improved.

Description

Power generation device, power generation component, and power generation method

Technical field

The present invention relates to the field of power generation technologies, and in particular, to a power generation device, a power generation assembly, and a power generation method.

Background technique

Electric energy is a kind of energy used in daily production. At present, most of the electric energy is still generated by burning coal. With the gradual depletion of the earth's fossil energy and the worsening environmental conditions, how to generate electricity by means of energy saving and emission reduction has become An important topic in energy research in the world today.

In the prior art, research work using road power generation has received more and more attention. The main mode of road power generation is power generation floor power generation. By installing power generation floors on the road surface, generators are installed on the power generation floor, and pedestrians step on the power generation floor. When the power generation floor is pressurized, the racks and gears meshed on the generator plate move under the action of pressure and mechanically store energy, and the generator converts mechanical energy into electric energy for power generation. In the process of realizing the invention and creation, the inventor found that there are the following shortcomings in the installation of photovoltaic panels on the road: First, the mechanical structure on the power generation floor is more complicated, the mechanical energy loss is large during the mechanical movement, and the power generation efficiency is low. The stability of the structure is poor. Secondly, the kinetic energy generated by the pressure needs to be converted into mechanical energy through the movement of the gear and the rack. The mechanical energy is converted into electric energy to drive the generator to start. The kinetic energy collected by the power generation floor cannot be directly and quickly converted into electric energy. The utilization rate of power is low, resulting in a small amount of power generation on the power generation floor and poor practicability.

Therefore, it is necessary to solve the above technical problems.

Summary of the invention

The invention provides a power generation device, a power generation component and a power generation method to solve the problems existing in the prior art, improve power generation efficiency and power generation, reduce mechanical energy loss during power generation, realize large-scale power generation, increase practicability, and reduce The transformation of pressure into electrical energy improves stability and reliability.

The present invention provides a power generating device comprising: a housing; a lead screw, a first end of the lead screw is rotatably coupled to a top of the housing, and a second end of the lead screw extends toward a bottom of the housing; a magneto stator And a magneto rotor provided outside the stator of the magneto, the magneto stator being disposed at a bottom of the casing, the magneto rotor being mounted at a second end of the lead screw; a bushing, the bushing a screw hole is formed in the upper opening, the lead screw is screwed into the threaded hole; a shaft and a pressure plate are arranged, the pressure plate is located outside the outer casing and above the outer casing, and the first end of the connecting shaft is The pressure plates are coupled, and the second end of the connecting shaft extends into the interior of the outer casing and is fixedly coupled to the sleeve.

Optionally, the power generating device further includes an elastic member, the first end of the elastic member is connected to the pressure plate, and the second end of the elastic member is connected to the top of the outer casing.

Optionally, the power generating device further includes a one-way bearing, and the magneto rotor is mounted on the lead screw through the one-way bearing.

Optionally, the first end of the lead screw is rotatably mounted on the top of the outer casing by a first bearing, and the second end of the lead screw is rotatably mounted on the bottom of the outer casing by a second bearing.

Optionally, the outer casing includes an opposite top cover and a base, a first end of the lead screw is rotatably coupled to the top cover, and a second end of the lead screw is rotatably coupled to the base.

Optionally, the power generating device further includes a fixing plate disposed in the outer casing, and the connecting shaft is connected to the sleeve through the fixing plate.

Optionally, the power generating device further includes a flywheel, and the flywheel has a connecting hole and a positioning hole connected in a direction perpendicular to an end surface of the flywheel, and the connecting hole is sleeved on the lead screw At both ends, the magneto rotor is mounted in the positioning hole.

Optionally, the magneto rotor includes a plurality of strong magnets, and the plurality of the strong magnets are distributed along a circumferential direction of the positioning hole.

Based on the same inventive concept, the present invention also provides a power generation assembly comprising a floor and the above-described power generating device, the floor being connected to and opposite to the pressure plate.

Based on the same inventive concept, the present invention also provides a power generation method for generating power according to the power generation assembly described above, comprising the steps of: installing the power generation component in a ground, the floor is on the ground; and applying a pointing housing to the floor The force of the bottom portion of the driving plate drives the connecting shaft to move toward the outer casing, so that the sleeve moves under the pressure of the connecting shaft along the axial direction of the screw rod toward the bottom of the outer casing; The screw is rotated under the action of the sleeve, and the screw rotation drives the magneto rotor to cut the magnetic induction line generated by the magneto stator, and the magneto stator generates electric current for power generation.

The power generating device, the power generating component and the power generating method provided by the invention, when a pedestrian or a vehicle passes through the floor, when the floor is pressed down and the pressure plate moves toward the outer casing, the sleeve is driven to be pressed by the connecting shaft, and the sleeve is pressed to drive the lead screw. Rotation occurs, and the magneto-motor rotor on the lead screw cuts the magnetic induction line generated by the magneto stator to generate electricity. The structure is highly simplified, the structure stability is high, and the reliability of power generation is improved. In the above power generation process, the mechanical energy directly drives the screw rotation. Cutting the magnetic induction line, the kinetic energy received by the lead screw is directly and rapidly converted into electric energy, and the mechanical energy loss is small, the conversion efficiency between the direct energy, the kinetic energy and the electric energy of the mechanical energy and the kinetic energy is improved, the power generation amount is increased, and the practicability is increased.

DRAWINGS

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings,

FIG. 1 is a schematic structural diagram of a power generating device according to a preferred embodiment of the present invention.

2 is a cross-sectional view of a power generating device provided by a preferred embodiment of the present invention.

3 is a cross-sectional view of a power generating device provided by a preferred embodiment of the present invention.

4 is a half cross-sectional view of a power generating device according to a preferred embodiment of the present invention.

FIG. 5 is a flow chart of a power generation method according to a preferred embodiment of the present invention.

detailed description

The terms of the top, bottom, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined with respect to the configurations shown in the respective drawings, the words " "Inside" and "outer" refer to directions that are toward or away from the geometric center of a particular component, respectively. They are relative concepts and therefore may vary accordingly depending on where they are located and for different states of use. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

1 is a schematic structural view of a power generating device according to a preferred embodiment of the present invention, FIG. 2 is a cross-sectional view of a power generating device according to a preferred embodiment of the present invention, and FIG. 3 is a cross-sectional view of a power generating device according to a preferred embodiment of the present invention, FIG. A half cross-sectional view of a power generating device provided by a preferred embodiment of the present invention. As shown in FIG. 1 to FIG. 4, the power generating device provided by the present invention comprises a casing 1, a lead screw 2, a magneto stator 3, a magneto rotor provided outside the stator 3 of the magneto, a bushing 4, a connecting shaft 5, and a pressure plate 6. .

Referring to FIG. 1 to FIG. 4 simultaneously, the outer casing 1 functions as a support and protection for the lead screw 2, the first end of the lead screw 2 is rotatably connected to the top of the outer casing 1, and the second end of the lead screw 2 is directed to the bottom of the outer casing 1. The magnetostat stator 3 is disposed at the bottom of the outer casing 1 and remains stationary. The magneto rotor is mounted on the second end of the lead screw 2; the sleeve 4 is provided with a threaded hole, and the lead screw 2 is screwed into the threaded hole; the pressure plate 6 is located outside the outer casing 1 and above the outer casing 1, connecting the shaft 5 The first end is connected to the pressure plate 6, and the second end of the connecting shaft 5 extends into the interior of the outer casing 1 and is fixedly coupled to the sleeve 4. The above structure is highly streamlined and has high structural stability, which improves the reliability of power generation. The sleeve 4 may be a screw nut, and the internal thread of the screw nut meshes with the external thread of the screw 2, and the screw nut moves up and down along the screw 2 (the up and down movement here refers to the figure) When the upper and lower directions are moved in 3, the screw 2 can be rotated synchronously, and the efficiency of the vertical movement of the sleeve 4 into the screw 2 in the horizontal direction is improved. Moreover, the mechanical motion main part screw 2 and the connecting shaft 5 of the invention adopt rolling friction, and have the advantages of small resistance, low noise, small loss, low failure rate and high efficiency.

As an embodiment of power generation, when the pressure plate 6 is subjected to the force directed to the outer casing 1, the pressure plate 6 drives the connecting shaft 5 to move toward the outer casing 1, and the sleeve 4 then slides down the screw 2 toward the outer casing 1, the lead screw 2 Starting to rotate under the driving of the sleeve 4, the magnetic motor rotor is rotated to cut the magnetic induction line generated by the stator 3 of the magnetic motor, and a current is generated on the magnetic motor to generate electricity. In the above power generation process, the mechanical energy directly drives the lead screw 2 to rotate and cut the magnetic induction line, and the kinetic energy received by the lead screw 2 is directly and rapidly converted into electric energy, and the mechanical energy loss is small, which improves the mechanical energy and the kinetic energy, and between the kinetic energy and the electric energy. The conversion efficiency increases the amount of electricity generated and improves the practicality.

In the power generating device provided by the embodiment of the present invention, when the pressure plate 6 moves toward the outer casing 1, the sleeve 4 is driven to be pressed downward by the connecting shaft 5, and the sleeve 4 is pressed to drive the screw 2 to rotate, and the magnetic motor rotor on the screw 2 is rotated. The magnetic induction line generated by the stator 3 of the magnetic motor is cut, and the structure is highly simplified, the structure stability and the reliability are high, and the reliability of the power generation is improved. In the above power generation process, the mechanical energy directly drives the screw 2 to rotate and cut the magnetic induction line. The kinetic energy received by the lead screw 2 is directly and rapidly converted into electric energy, which overcomes the delay caused by multiple mechanical transformations, reduces mechanical energy loss, improves the conversion efficiency between mechanical energy and kinetic energy, kinetic energy and electric energy, and improves the power generation. Increased practicality.

Optionally, the power generating device further includes an elastic member 7. The first end of the elastic member 7 is connected to the pressure plate 6, and the second end of the elastic member 7 is connected to the top of the outer casing 1. When the pressure plate 6 is compressed under pressure in the direction of the outer casing 1, the elastic member 7 is simultaneously deformed by compression, and when the pressure is released, the elastic member 7 drives the pressure plate 6 to move away from the outer casing 1 to restore the position of the pressure plate 6. As it is, ready for the next downward movement. The elastic member 7 here may be a spring, and the reaction force generated by the compression of the spring can effectively bounce the pressure plate 6 back to the original position.

As an alternative implementation, the power plant further comprises a one-way bearing 8 on which the magneto rotor is mounted via a one-way bearing 8. When the pressure plate 6 moves toward the bottom of the outer casing 1, the lead screw 2 rotates forward under the action of the sleeve 4, and the magneto rotor is rotated forward along the lead screw 2 by the one-way bearing 8; when the pressure plate 6 When moving away from the outer casing 1, the lead screw 2 is reversed. At this time, the magneto rotor is separated from the lead screw 2 under the control of the one-way bearing 8, and the forward rotation cutting line can be continued under the action of inertia. Continuous power generation output increases the length of power generation and power generation.

Further, the first end of the lead screw 2 is rotatably mounted on the top of the outer casing 1 through the first bearing 21, and the second end of the lead screw 2 is rotatably mounted on the bottom of the outer casing 1 through the second bearing 22, so that the screw 2 can be reduced. The friction loss between the first end and the second end of the lead screw 2 during the rotation with the outer casing 1 further increases the efficiency of conversion of mechanical energy into electrical energy.

Preferably, the outer casing 1 includes an opposite top cover 11 and a base 12. The first end of the lead screw 2 is rotatably coupled to the top cover 11, and the second end of the lead screw 2 is rotatably coupled to the base 12. The above arrangement method facilitates the installation steps of the lead screw 2, the connecting shaft 5, the pressure plate 6, and the like in the outer casing 1, and saves assembly time.

Optionally, the power generating device further includes a fixing plate 41 disposed in the outer casing 1 , and the connecting shaft 5 and the sleeve 4 are connected by the fixing plate 41 . The lead screw nut is mounted on the fixed plate 41, and the fixed plate 41 provides a force support for the lead screw nut. Further, the lead screw nut is mounted on the fixing plate 41, and the fixing plate 41 is connected to the pressing plate 6 by the six connecting shafts 5 uniformly distributed along the circumferential direction of the fixing plate 41 to increase the connection between the fixing plate 41 and the pressing plate 6. stability. Further, the outer casing 1 is further provided with a linear bearing, and the six connecting shafts 5 are all threaded through the linear bearing shaft, and the linear bearing can guide the connecting shaft 5, further increasing the stability and reliability of the structure.

On the basis of the above embodiment, the power generating device further includes a flywheel 9 having a connecting hole and a positioning hole connected in a direction perpendicular to the end surface of the flywheel 9 , and the connecting hole is sleeved on the second end of the screw 2 The magneto rotor is mounted in the positioning hole. The flywheel 9 is connected to the lead screw 2 via the one-way bearing 8, and the flywheel 9 can rotate forward with the lead screw 2. When the lead screw 2 is reversed, the flywheel 9 is separated from the lead screw 2 under the control of the one-way bearing 8, and can be Continue to rotate under the action of inertia. The flywheel 9 can store the excess kinetic energy when the lead screw 2 rotates forward. When the lead screw 2 is reversed or stopped, the flywheel 9 continues to rotate under the action of inertia to release the stored kinetic energy, so that the magneto rotor continues to cut the magnetic line. The flywheel 9 and the magneto rotor are integrated, and the kinetic energy and inertia of the flywheel 9 in the high-speed rotation state can effectively store the mechanical energy, so that the mechanical energy can be utilized efficiently, and the impulse obtained by the flywheel 9 is improved, and the power output is further increased. increase.

Further, the magneto rotor includes a plurality of strong magnets, and the plurality of strong magnets are distributed along the circumferential direction of the positioning holes. Multiple strong magnets can increase the strength of the magnetic motor rotor cutting magnetic induction line. The rotation of the flywheel 9 drives multiple strong magnets to rotate. The faster the speed, the higher the output voltage.

Based on the same inventive concept, the present invention also provides a power generating assembly comprising a floor and any of the above power generating devices, the floor being connected to the pressure plate 6 and disposed opposite to each other. When a pedestrian or a vehicle passes through the floor, pressure is applied to the floor, the floor is pressed down, and the pressure received is converted into electric energy by the power generating device, which is environmentally friendly, saves energy and reduces consumption. Furthermore, the floor is made of a lightweight composite floor with an equilateral triangle honeycomb structure with a side length of 600 mm, which is light in weight and high in strength. Each floor is connected to three power generation units, and the total output of the three power generation units can reach more than 30W.

It should be noted that the invention adopts the ordinary mechanical components such as the lead screw 2 and the bearing, which reduces the manufacturing difficulty and greatly reduces the production cost.

In addition, the present invention adopts a dual mode of mechanical energy storage and electrical energy storage; the mechanical energy storage adopts a flywheel 9 mode, and the flywheel 9 and the magneto rotor are integrated. The electric energy storage adopts a capacitor buffer, and the lithium battery is connected with the magneto stator 3 to charge and store energy, and solves the problem that the mechanical energy existing in the existing power generation floor cannot be fully utilized; the capacitor buffer solves the low voltage of each pedestrian passing through the floor at the beginning and end stages. When the lithium battery cannot be charged, the power is wasted.

In the power generation assembly provided by the embodiment of the present invention, when a pedestrian or a vehicle passes through the floor, the floor is pressed down, and when the pressure plate 6 moves toward the outer casing 1, the sleeve 4 is driven down by the connecting shaft 5, and the sleeve 4 is pressed down to drive the wire. The bar 2 rotates, and the magneto rotor of the screw 2 cuts the magnetic induction line generated by the magneto stator 3, and the structure is highly simplified, the structure stability is high, and the reliability of power generation is improved. In the above power generation process, the mechanical energy is directly The driving screw 2 rotates and cuts the magnetic induction line, and the kinetic energy received by the lead screw 2 is directly and rapidly converted into electric energy, and the mechanical energy loss is small, thereby improving the conversion efficiency between mechanical energy and kinetic energy, kinetic energy and electric energy, and increasing the power generation amount. , increased practicality.

Referring to FIG. 1 to FIG. 5 simultaneously, based on the same inventive concept, the present invention further provides a power generation method for generating power according to a power generation assembly, comprising the following steps: S1: installing a power generation component in the ground and a floor on the ground; S2: Applying a force to the bottom of the casing 1 to the floor, the driving platen 6 drives the connecting shaft 5 to move toward the casing 1, so that the sleeve 4 is directed toward the casing 1 along the axial direction of the screw 2 under the pressure of the connecting shaft 5. The direction of movement of the bottom portion; S3: the screw 2 rotates under the action of the sleeve 4, and the rotation of the screw 2 drives the magnetic motor rotor to cut the magnetic induction line generated by the stator 3 of the magneto, and the stator 3 of the magnet produces electric current for power generation.

The power generation device, the power generation component, and the power generation method provided by the embodiments of the present invention, when a pedestrian or a vehicle passes over the floor, when the floor is pressed down, and the pressure plate 6 moves toward the outer casing 1, the sleeve 4 is driven to be pressed down by the connecting shaft 5, and the shaft is pressed. The sleeve 4 drives the screw 2 to rotate, and the magneto rotor on the screw 2 cuts the magnetic induction line generated by the stator 3 of the magneto, thereby simplifying the structure, high structural stability, and improving the reliability of power generation. During the power generation process, the mechanical energy directly drives the screw 2 to rotate and cut the magnetic induction line. The kinetic energy received by the lead screw 2 is directly and quickly converted into electric energy, and the mechanical energy loss is small, which improves the conversion between mechanical energy and kinetic energy, kinetic energy and electric energy. Efficiency increases power generation and increases practicality.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not limited thereto; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently replaced; and the modifications or substitutions do not deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

A power generation device, comprising:

shell;

a lead screw, the first end of the lead screw is rotatably connected to the top of the outer casing, and the second end of the lead screw extends toward the bottom of the outer casing;

a magneto stator and a magneto rotor disposed outside the stator of the magneto, the magneto stator being disposed at a bottom of the casing, the magneto rotor being mounted at a second end of the lead screw;

a sleeve, the sleeve is provided with a threaded hole, and the screw is screwed into the threaded hole;

Connecting a shaft and a pressure plate, the pressure plate being located outside the outer casing and above the outer casing, a first end of the connecting shaft being connected to the pressure plate, and a second end of the connecting shaft extending into the outer casing The interior is fixedly connected to the sleeve.
The power generating device according to claim 1, wherein the power generating device further comprises an elastic member, the first end of the elastic member is connected to the pressure plate, and the second end of the elastic member is connected to the The top of the outer casing.
The power generating apparatus according to claim 1, wherein said power generating device further comprises a one-way bearing, and said magneto rotor is mounted on said lead screw through said one-way bearing.
A power generating apparatus according to claim 1, wherein said first end of said lead screw is rotatably mounted on a top portion of said outer casing by a first bearing, and said second end of said lead screw is rotatably mounted by said second bearing The bottom of the outer casing.
The power generating device according to claim 4, wherein the outer casing comprises an opposite top cover and a base, the first end of the lead screw is rotatably coupled to the top cover, and the second of the lead screw The end is rotatably coupled to the base.
The power generating apparatus according to claim 1, wherein said power generating device further comprises a fixing plate provided in said outer casing, and said connecting shaft is coupled to said bushing through said fixing plate.
The power generating device according to any one of claims 1 to 6, wherein the power generating device further comprises a flywheel, and the flying wheel is provided with connecting holes and positioning in a direction perpendicular to an end surface of the flywheel. a hole, the connecting hole is sleeved at the second end of the lead screw, and the magneto rotor is installed in the positioning hole.
The power generating apparatus according to claim 7, wherein said magneto rotor includes a plurality of strong magnets, and said plurality of said strong magnets are distributed along a circumferential direction of said positioning hole.
A power generation assembly characterized by comprising a floor and the power generating device according to any one of claims 1-8, wherein the floor is connected to the pressure plate and disposed opposite to each other.
A power generation method, characterized in that the power generation assembly according to claim 9 performs power generation, comprising the steps of:

The power generation component is installed underground, and the floor is located on the ground;

Applying a force to the floor to the bottom of the outer casing, driving the pressure plate to drive the connecting shaft to move toward the outer casing, so that the sleeve is under the pressure of the connecting shaft toward the outer casing along the axial direction of the screw The direction of movement of the bottom;

The lead screw rotates under the action of the sleeve, and the screw rotation drives the magneto rotor to cut the magnetic induction line generated by the magneto stator, and the magneto stator generates electric current for power generation.