阅读说明：本技术 一种磁路异步关联变化式小行程直线发电机 (Magnetic circuit asynchronous association variable type small-stroke linear generator ) 是由 邹务丰 邹政耀 姜劲 陈杰 于 2021-01-29 设计创作，主要内容包括：本发明涉及的是一种磁路异步关联变化式小行程直线发电机,适用于小行程往复直线运动场合的能量回收,特别适用于汽车悬架振动能量、三轮和两轮车悬架振动能量回收；具体结构是由导磁体、永磁体、中间导磁块、发电线圈、移动导磁体部分组成；采用1个永磁体和导磁体形成两个相互关联变化的磁路,当一个磁支路磁通量增加时,另一个磁支路磁通量减小,在两个磁支路上设置发电线圈,当移动导磁体做直线运动时发电线圈发电输出电能；组成元件有导磁体(1)、导磁体中间永磁体(2)、中间导磁块(3)、第一发电线圈(4)、导磁体第一伸出极(5)、移动导磁体(6)、导磁体中间突起(7)、导磁体第二伸出极(8)和第二发电线圈(9)。(The invention relates to a magnetic circuit asynchronous association variable type small-stroke linear generator, which is suitable for energy recovery in small-stroke reciprocating linear motion occasions, in particular to the recovery of vibration energy of an automobile suspension and the vibration energy of three-wheel and two-wheel vehicle suspensions; the specific structure is composed of a magnetizer, a permanent magnet, a middle magnetizer, a generating coil and a movable magnetizer; the method comprises the following steps that 1 permanent magnet and a magnetizer are adopted to form two magnetic circuits which are changed in a mutual correlation mode, when the magnetic flux of one magnetic branch is increased, the magnetic flux of the other magnetic branch is reduced, a power generation coil is arranged on the two magnetic branches, and when the magnetizer is moved to do linear motion, the power generation coil generates power and outputs electric energy; the component elements comprise a magnetizer (1), a magnetizer middle permanent magnet (2), a middle magnetizer block (3), a first generating coil (4), a magnetizer first extending pole (5), a movable magnetizer (6), a magnetizer middle bulge (7), a magnetizer second extending pole (8) and a second generating coil (9).)

1. A magnetic circuit asynchronous association variable type small-stroke linear generator has the function of converting mechanical energy into electric energy when a movable magnetizer moves linearly, and is characterized in that the structure of the generator consists of the magnetizer, a permanent magnet, a middle magnetizer, the movable magnetizer and a coil; magnetizer (1) has magnetizer and first stretches out utmost point (5), magnetizer second and stretches out utmost point (8) and magnetizer middle protruding (7), protruding (7) magnetic pole face of (7) terminal surface laminating installation permanent magnet (2) in the middle of the magnetizer, another magnetic pole face laminating installation of permanent magnet (2) a terminal surface of magnetic conduction piece (3) in the middle of, the magnetizer is first stretches out utmost point (5) terminal surface the magnetizer second stretch out utmost point (8) terminal surface with middle magnetic conduction piece (3) another terminal surface is in a plane, the magnetizer is first stretch out utmost point (5) terminal surface the magnetizer second stretch out utmost point (8) terminal surface with the side of middle magnetic conduction piece (3) another terminal surface contact installation removal magnetizer (6), it is in to remove magnetizer (6) the magnetizer first stretch out utmost point (5) terminal surface the magnetizer second stretch out utmost point (8) terminal surface with follow on the other terminal surface of middle magnetic conduction piece (3) remove the magnetizer (3) remove the side Body (6) length direction round trip movement, the first generating coil (4) of utmost point (5) coaxial arrangement that stretches out of magnetizer, the magnetizer second stretches out utmost point (8) coaxial arrangement second generating coil (9), and maximum stroke size (12) do the magnetizer second stretches out the side tip of utmost point (8) with remove the distance that magnetizer (6) correspond the tip.

2. A magnetic circuit asynchronous linked variable small stroke linear generator according to claim 1, characterized in that the shape of the end faces of said first extended pole (5) of the magnetic conductor, said second extended pole (8) of the magnetic conductor and said intermediate magnetic conductor (3) is one of rectangular, circular, oval, diamond, trapezoidal and triangular respectively.

3. A magnetic circuit asynchronous related changing type small stroke linear generator according to claim 1, characterized in that the cross-sectional area of said magnetizer (1), said first protruded pole (5) of magnetizer and said second protruded pole (8) of magnetizer ranges from 10 cm to 10000 cm, the cross-sectional area of said permanent magnet (2) ranges from 10 cm to 10000 cm, and said maximum stroke size (12) ranges from 2mm to 400 mm.

4. The asynchronous magnetic circuit-associated-variable small-stroke linear generator according to claim 1, wherein the magnetization direction of the permanent magnet (2) is perpendicular to the lower end surface of the middle protrusion (7) of the magnetizer and the upper end surface of the middle magnetizer (3), and the upper and lower surfaces of the permanent magnet (2) are in one of a square shape, a rectangular shape, a trapezoidal shape, a hexagonal shape and a circular shape.

5. A magnetic circuit asynchronous related variable type small stroke linear generator according to claim 1, characterized in that the other magnetic pole face of said permanent magnet (2) is in a plane with the end face of said first extended pole (5) of said magnetic conductor and the end face of said second extended pole (8) of said magnetic conductor, and the other magnetic pole face of said permanent magnet (2), the end face of said first extended pole (5) of said magnetic conductor and the end face of said second extended pole (8) of said magnetic conductor contact the side face of said movable magnetic conductor (6).

6. The asynchronous magnetic circuit-associated-variation type small-stroke linear generator according to claim 1, wherein the two ends of the moving magnetizer (6) are one of triangular, flat-headed and curved-edge-pointed, and the maximum region where the two ends of the moving magnetizer (6) coincide with the end surface of the first magnetic conductor projecting pole (5) and the end surface of the second magnetic conductor projecting pole (8) is one of triangular, curved-edge-like triangular, diamond-shaped and semicircular.

7. A magnetic circuit asynchronous linked variable small stroke linear generator according to claim 1, characterized in that said first generating coil (4) is mounted on the periphery of said first beam (20) of said magnetic conductor (1), and said second generating coil (9) is mounted on the periphery of said second beam (21) of said magnetic conductor (1).

8. A magnetic circuit asynchronous related variable type small stroke linear generator according to claim 1, characterized in that the end surface of the first extended pole (5) of the magnetic conductor, the end surface of the second extended pole (8) of the magnetic conductor, the other end surface of the middle magnetic conductive block (3) and the side surface of the magnetic conductor (6) are provided with a gap (13), and the size of the gap (13) is 0.1mm-2 mm.

9. The magnetic circuit asynchronous related variable type small-stroke linear generator according to claim 1, wherein the side surface of the magnetizer (6) has a first step surface (14), a second step surface (18), an intermediate step surface (16), a first step side surface (15) and a second step side surface (17), the end surface of the first extended pole (5) of the magnetizer and the end surface of the second extended pole (8) of the magnetizer are higher than the other end surface of the intermediate magnetizer (3), the first step surface (14) is attached to the end surface of the first extended pole (5) of the magnetizer, the second step surface (18) is attached to the end surface of the second extended pole (8) of the magnetizer, the intermediate step surface (16) is attached to the other end surface of the intermediate magnetizer (3), and the first step side surface (15) contacts the side surface of the first extended pole (5) of the magnetizer, the second step side surface (17) contacts the side surface of the magnetizer second extended pole (8).

10. A magnetic circuit asynchronous related variable type small stroke linear generator according to claim 1, characterized in that the side of said magnetic conductor (6) has lubricating grooves (19), the number of said lubricating grooves (19) is 3-30.

Technical Field

The invention relates to a magnetic circuit asynchronous association change type small-stroke linear generator which is suitable for energy recovery in small-stroke reciprocating linear motion occasions and is also suitable for generating required damping force in small-stroke reciprocating linear motion occasions, and is particularly suitable for recovering vibration energy of automobile suspensions and vibration energy of three-wheel and two-wheel vehicle suspensions.

Background

In the small-stroke reciprocating linear motion situation, if the energy needs to be recovered, a rotary generator is needed, but the rotary generator has small rotation angle and low rotation speed, and the energy recovery efficiency is low. If the switching mechanism is adopted, the system structure is complex, and the system is limited by installation space and cost in some occasions and has no practicability. If the linear motor is adopted to recover energy, the cost of the linear motor is high, the linear motor is difficult to apply in the places sensitive to cost, the speed of linear motion is not constant, the output voltage of the linear motor is not constant, and the energy recovery efficiency is influenced. Therefore, the invention provides a new scheme, which adopts two coils, the change of the magnetic flux in the two coils is mutually related, when the energy of the small-stroke reciprocating linear motion is recovered, the non-constant speed of the small-stroke reciprocating linear motion can be converted into the basically constant magnetic flux change speed, and the energy recovery efficiency is improved.

Disclosure of Invention

The invention aims to provide a magnetic circuit asynchronous association change type small-stroke linear generator aiming at the defects, wherein 1 permanent magnet and a magnetizer are adopted to form two magnetic circuits which are in mutual association change, when the magnetic flux of one magnetic branch is increased, the magnetic flux of the other magnetic branch is reduced, a generating coil is arranged on the two magnetic branches, and when the magnetizer is moved to do linear motion, the generating coil generates electricity to output electric energy; the structure of the generator is composed of magnetizers, permanent magnets, middle magnetic conduction blocks, generating coils and movable magnetizers.

In order to achieve the purpose, the invention adopts the following technical measures:

the magnetic circuit asynchronous association variable type small-stroke linear generator is realized by adopting the following scheme: a magnetic circuit asynchronous association variable type small-stroke linear generator has the function that when a movable magnetizer moves linearly, a generating coil can generate electricity and output electric energy, and the specific structure of the generator consists of the magnetizer, a permanent magnet, a middle magnetizer, a generating coil and the movable magnetizer; magnetizer (1) has magnetizer and first stretches out utmost point (5), magnetizer second and stretches out utmost point (8) and magnetizer middle protruding (7), protruding (7) magnetic pole face of (7) terminal surface laminating installation permanent magnet (2) in the middle of the magnetizer, another magnetic pole face laminating installation of permanent magnet (2) a terminal surface of magnetic conduction piece (3) in the middle of, the magnetizer is first stretches out utmost point (5) terminal surface the magnetizer second stretch out utmost point (8) terminal surface with middle magnetic conduction piece (3) another terminal surface is in a plane, the magnetizer is first stretch out utmost point (5) terminal surface the magnetizer second stretch out utmost point (8) terminal surface with the side of middle magnetic conduction piece (3) another terminal surface contact installation removal magnetizer (6), it is in to remove magnetizer (6) the magnetizer first stretch out utmost point (5) terminal surface the magnetizer second stretch out utmost point (8) terminal surface with follow on the other terminal surface of middle magnetic conduction piece (3) remove the magnetizer (3) remove the side Body (6) length direction round trip movement, the first electricity generation coil (4) of utmost point (5) coaxial arrangement that stretches out of magnetizer, the magnetizer second stretches out utmost point (8) coaxial arrangement second electricity generation coil (9), first electricity generation coil (4) with second electricity generation coil (9) output power that can generate electricity, maximum stroke size (12) do the side tip that the magnetizer second stretches out utmost point (8) with remove the distance that magnetizer (6) correspond the tip, the scope of maximum stroke size (12) is 2mm-400mm, the magnetizer first stretch out utmost point (5) terminal surface the magnetizer second stretch out utmost point (8) terminal surface with the shape of the terminal surface of middle magnetic conduction (3) is one kind in rectangle, circular, oval, rhombus, trapezoidal and triangle-shaped respectively, magnetizer (1) the magnetizer first stretch out utmost point (5) with the cross sectional area scope that the magnetizer second stretches out utmost point (8) is 10 square centimetres Meter to 10000 square centimeter, the sectional area scope of permanent magnet (2) is 10 square centimeter to 10000 square centimeter, the direction of magnetizing of permanent magnet (2) is the perpendicular to the lower terminal surface of protruding (7) in the middle of the magnetizer with the up end of middle magnetizer (3), the upper and lower surface shape of permanent magnet (2) is one in square, rectangle, trapezoidal, hexagon and circular, another magnetic pole face of permanent magnet (2) with first utmost point (5) terminal surface of stretching out of magnetizer, the magnetizer second stretches out utmost point (8) terminal surface in a plane, another magnetic pole face of permanent magnet (2), first utmost point (5) terminal surface of stretching out of magnetizer with the side that utmost point (8) terminal surface contact installation removed magnetizer (6) is stretched out to the magnetizer second, the both ends of removing magnetizer (6) are triangle-shaped, One of flat head shape, curved edge point shape, the both ends of removal magnetizer (6) with the first utmost point (5) terminal surface that stretches out of magnetizer, the biggest regional shape that the magnetizer second stretches out utmost point (8) terminal surface coincidence is triangle-shaped, curved limit class triangle-shaped, rhombus and semi-circle, first electricity generation coil (4) install in magnetizer (1) first crossbeam (20) are peripheral, second electricity generation coil (9) install in magnetizer (1) second crossbeam (21) are peripheral, satisfy the needs of different application occasions, the first utmost point (5) terminal surface that stretches out of magnetizer (5), the magnetizer second stretches out utmost point (8) terminal surface, another terminal surface of middle magnetizer (3) with the side of magnetizer (6) has clearance (13), the size of clearance (13) is 0.1mm-2mm, the side of magnetizer (6) has first face (14), Second step face (18), middle step face (16), first step side (15) and second step side (17), the magnetizer is first stretch out utmost point (5) terminal surface, the magnetizer second stretches out utmost point (8) terminal surface and is higher than another terminal surface of middle magnetizer (3), first step face (14) laminating installation the first utmost point (5) terminal surface that stretches out of magnetizer, second step face (18) laminating installation the magnetizer second stretches out utmost point (8) terminal surface, middle step face (16) laminating installation another terminal surface of middle magnetizer (3), first step side (15) contact the first side that stretches out utmost point (5) of magnetizer, second step side (17) contact the side that utmost point (8) was stretched out to the magnetizer second, the side of magnetizer (6) has lubrication groove (19), the number of the lubricating grooves (19) is 3-30, and the power generation efficiency can be greatly improved by applying a lubricating material to the lubricating grooves (19).

The invention relates to a magnetic circuit asynchronous association change type small-stroke linear generator which adopts components such as a magnetizer, a permanent magnet, an intermediate magnetizer, a generating coil, a movable magnetizer and the like to complete association change of magnetic flux in the generating coil, namely to complete the generating function of a small-stroke linear moving mechanism.

The invention relates to a magnetic circuit asynchronous association variable type small-stroke linear generator which is characterized in that:

1. the magnetic flux required by the whole magnetic circuit is realized by using less high-price permanent magnets, and the magnetic circuit has the characteristic of low cost;

2. the magnetic fluxes in the two generating coils are changed in a correlation manner, so that the magnetic flux variation is easier to control through the overlapping area between the movable magnetizer and the extending pole of the magnetizer, and the required magnetic flux variation rule in the generating coils can be obtained through conversion of the movable magnetizer with different speed rules;

3. in the moving process of the movable magnetizer, the two power generation coils generate power, the utilization rate of the power generation coils is high, and the two power generation coils can be connected in series to obtain higher output voltage;

4. the two power generation coils are respectively powered according to a certain rule, so that the movable magnetizer can realize reciprocating linear motion and has the function of a linear motor.

The invention relates to a magnetic circuit asynchronous association variable type small-stroke linear generator which is suitable for recovering electric energy in the occasions of small-stroke linear motion mechanisms.

Drawings

The invention will be further explained with reference to the drawings.

Fig. 1 to 8 show an embodiment of a magnetic circuit asynchronous correlation variable type small-stroke linear generator, and the practical use of the present invention is not limited to the embodiment.

Detailed Description

With reference to the attached drawings 1, 2, 3, 4, 5, 6, 7 and 8, the magnetic circuit asynchronous association variable type small-stroke linear generator is characterized in that: the material of magnetizer 1 is formed by the silicon steel sheet stack that precious steel trade mark is B35A300, its thickness is 0.35mm, the magnetic induction peak value is 1.5 Tesla, magnetizer 1 has the first utmost point 5 that stretches out of magnetizer, the magnetizer second stretches out utmost point 8 and the middle protruding 7 of magnetizer, magnetizer 1 has the first utmost point 5 that stretches out of magnetizer, the magnetizer second stretches out utmost point 8 and the middle rectangular end face size of protruding 7 of magnetizer is 20mm 20.3mm, the protruding 7 terminal surface uses glue laminating installation permanent magnet 2 a magnetic pole face in the middle of the magnetizer, another magnetic pole face of permanent magnet 2 uses glue laminating installation middle magnetizer 3 an terminal surface, the material of permanent magnet 2 is neodymium iron boron N30, the size is 20mm 10mm, the first utmost point 5 terminal surface that stretches out of magnetizer, the magnetizer second stretches out utmost point 8 terminal surface and another terminal surface of middle magnetizer 3 is in a plane, these three terminal surfaces all scribble the carbon powder with the lubrication, the end face of the first extended pole 5 of the magnetizer, the end face of the second extended pole 8 of the magnetizer and the other end face of the middle magnetizer 3 are contacted with and installed on the side face of the movable magnetizer 6, the movable magnetizer 6 is made of silicon steel sheets through superposition, the size of the movable magnetizer 6 is 100mm multiplied by 20mm, two ends of the movable magnetizer 6 are triangular, the movable magnetizer 6 moves back and forth along the length direction of the movable magnetizer 6 on the end face of the first extended pole 5 of the magnetizer, the end face of the second extended pole 8 of the magnetizer and the other end face of the middle magnetizer 3, the maximum stroke size 12 is 19mm, the first generating coil 4 is coaxially installed on the first extended pole 5 of the magnetizer, the second generating coil 9 is coaxially installed on the second extended pole 8 of the magnetizer, the diameters of copper wires of the first generating coil 4 and the second generating coil 9 are 0.31mm, the number of turns is 1300, the lengths of the first, when the magnetizer 6 is shifted by hands, the first generating coil 4 and the second generating coil 9 can respectively light a red light emitting diode, the output voltage of the red light emitting diode is measured and respectively reaches 2V, and obviously, the output voltage can be improved by increasing the number of turns of the coils and increasing the moving speed.