CN217956933U - Power generation device - Google Patents

Abstract

The utility model belongs to the technical field of the electricity generation, more specifically say, relate to a power generation facility, include: the vibration device comprises a coil induction assembly, a permanent magnet assembly, a first vibration piece and a second vibration piece, wherein the permanent magnet assembly is arranged opposite to the coil induction assembly, and one end of the first vibration piece is movably connected to the coil induction assembly; one end of the second vibrating piece is connected to one end, far away from the coil induction assembly, of the first vibrating piece, and the other end of the second vibrating piece is fixed to the permanent magnet assembly; the first vibrating piece and the second vibrating piece can generate combined vibration under the action of fluid to drive the permanent magnet assembly and the coil induction assembly to generate relative displacement. The utility model provides a power generation facility connects the second vibration piece in first vibration piece, has folded single-rod type power generation facility's single pole in other words to can reduce power generation facility's overall height, solved single-rod type power generation facility because of high rock, cause panic and unsightly problem to the pedestrian easily.

Description

Power generation device

Technical Field

The utility model belongs to the technical field of the electricity generation, more specifically say, relate to a power generation facility.

Background

At two sides of public traffic roads in China, countless street lamp poles and street lamps are arranged, a large amount of engineering material cost is generally needed for electrifying the street lamps, a large amount of energy is also consumed, and electric shock casualties caused by electric leakage of the street lamp lines in rainy days sometimes occur. Some people have installed a solar photovoltaic power generation system to supply power to street lamps, but when the street lamps are needed to illuminate in the presence of sunlight and when the street lamps are needed to illuminate in the absence of sunlight, a battery energy storage device needs to be configured, so that the cost and the weight of equipment investment are invisibly increased, the difficulty of maintenance and environmental protection is also increased, and even the environment is polluted. Still someone has installed the power generation facility of flabellum, but its size, weight are great, and the pergola just blows its fan blade to be bad sometimes, and the maintenance is very difficult, makes its unable use widely.

The rod-type vortex street vibration power generation system is produced by using only one rod, can vibrate or shake in the presence of wind, and generates power in the modes of electromagnetism, piezoelectric effect and the like, so that the structure is simple and firm, and the typhoon resistance is strong. However, since it needs a certain height to generate enough power (for example, more than 5 m), it sways around the two sides of the road, which is easy to fear and unsightly for the pedestrians.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power generation facility to solve the single-pole power generation facility that exists among the prior art and need have certain height just can send sufficient electric power, and sway on both sides of highway, cause feared and unsightly technical problem to the pedestrian easily.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a power generation device including: a coil sensing assembly; the permanent magnet assembly is opposite to the coil induction assembly; one end of the first vibrating piece is movably connected to the coil induction assembly; one end of the second vibrating piece is connected to one end, far away from the coil induction assembly, of the first vibrating piece, and the other end of the second vibrating piece is fixed to the permanent magnet assembly; the first vibrating piece and the second vibrating piece can generate combined vibration under the action of fluid to drive the permanent magnet assembly and the coil induction assembly to generate relative displacement.

Furthermore, the power generation device further comprises a third vibrating piece with elasticity, one end of the third vibrating piece is connected with the first vibrating piece, and the other end of the third vibrating piece is connected with the coil induction assembly.

Further, the third vibrating member is a spring, the first vibrating member penetrates at least partially into the spring, and the length of the first vibrating member penetrating into the spring can be adjusted.

Further, first vibration piece is kept away from the one end of coil response subassembly with the second vibration piece is kept away from the one end of permanent magnetism subassembly passes through threaded connection, first vibration piece with axial displacement can be followed between the second vibration piece, in order to adjust first vibration piece penetrates and links firmly the length of third vibration piece.

Furthermore, the permanent magnet assembly comprises a first magnetic conductive disc and a plurality of permanent magnets arranged on the first magnetic conductive disc, and the first magnetic conductive disc is fixed on the second vibrating piece; the coil induction assembly comprises a second magnetic conduction plate, a plurality of magnetizers and a plurality of induction coils, the plurality of magnetizers are arranged on the second magnetic conduction plate, and each magnetizer is surrounded with an induction coil; the first magnetic conductive disk and the second magnetic conductive disk are arranged oppositely, and each magnetizer corresponds to one permanent magnet.

Furthermore, the power generation device further comprises an elastic limiting part, and the elastic limiting part is used for buffering and limiting the vibration amplitude of the second vibrating part.

Further, power generation facility still includes the protective sheath, the protective sheath is located coil induction component with the outside of permanent magnetism subassembly, just the protective sheath with second vibrating piece fixed connection.

Furthermore, the elastic limiting part is a limiting ring sleeved on the coil induction assembly, the limiting ring is located between the coil induction assembly and the protective sleeve, and a gap is formed between the limiting ring and the protective sleeve.

Furthermore, the second vibration piece is the sleeve, first vibration piece is located at least partially in the sleeve, just keeping away from of first vibration piece the coil response subassembly one end with telescopic one end is connected, telescopic other end is fixed in the permanent magnetism subassembly.

Further, the coil induction assembly comprises a plurality of induction coil groups which are connected in parallel with each other, and each induction coil group is provided with a plurality of induction coils which are connected in series with each other.

The utility model provides a power generation device, connect the one end of second vibration piece in the first vibration piece and keep away from the one end of coil response subassembly, the other end of second vibration piece is fixed in permanent magnetism subassembly, according to karman vortex street principle, first vibration piece and second vibration piece can produce periodic vibration under the fluid action, drive to produce relative displacement between permanent magnetism subassembly and the coil response subassembly to produce the electric energy; under the condition that power generation facility output equal power, adopt first vibration piece to keep away from the one end of coil response subassembly and the one end interconnect's that permanent magnetism subassembly was kept away from to second vibration piece mode, compare with single rod type power generation facility, folded single rod type power generation facility's single pole in other words to can reduce power generation facility's overall height, solved single rod type power generation facility because of high and difficult installation is maintained, and rock and cause feared and unsightly problem to the pedestrian easily.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a power generation device provided in an embodiment of the present invention;

fig. 2 is a schematic circuit structure diagram of a power generation device provided in an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a coil induction assembly; 11-a second magnetically permeable disc; 12-a magnetizer; 13-an induction coil; 2-a permanent magnet assembly; 21-a first magnetically permeable disc; 22-a permanent magnet; 3-a first vibrating member; 4-a second vibrating member; 5-a third vibrating member; 6-an elastic limit; 7-mounting seats; 8-protective sleeve.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, a power generation device provided by the present invention is now described, which includes: a coil induction assembly 1; the permanent magnet assembly 2 is arranged opposite to the coil induction assembly 1; one end of the first vibrating piece 3 is movably connected to the coil induction component 1; one end of the second vibrating piece 4 is connected to one end, far away from the coil induction component 1, of the first vibrating piece 3, and the other end of the second vibrating piece 4 is fixed to the permanent magnet component 2; the first vibrating part 3 and the second vibrating part 4 can generate combined vibration under the action of fluid to drive the permanent magnet assembly 2 and the coil induction assembly 1 to generate relative displacement.

One in coil induction component 1 and the permanent magnet assembly 2 can be the stator, another one that corresponds is the active cell, when coil induction component 1 is the stator, when permanent magnet assembly 2 is the active cell, coil induction component 1 can set up the below at permanent magnet assembly 2, and through the fastener rigid coupling lamp pole, the roof, on the arbitrary firm support such as ground, for example can set up mount pad 7 in coil induction component 1 below, through mount pad 7 with coil induction component 1 rigid coupling lamp pole, the roof, on the arbitrary firm support such as ground, mount pad 7 can adopt the multiform form, for example can be sleeve pipe mount pad 7 or base formula mount pad 7, can specifically select to set up according to actual need. It can be understood of course that when permanent magnet assembly 2 is the stator, coil induction assembly 1 is the active cell, permanent magnet assembly 2 can set up in coil induction assembly 1's below, with permanent magnet assembly 2 through the fastener rigid coupling to lamp pole, roof, ground on arbitrary firm supports such as ground, specifically no longer describe, the skilled person in the art can select to set up according to actual need.

According to the karman vortex street principle, when a steady incoming flow bypasses certain objects under certain conditions, two sides of the objects can periodically shed out double-row line vortices which are opposite in rotation direction and are regularly arranged, and after nonlinear action, karman vortex streets are formed, for example, the karman vortex streets can be formed when water flows through piers and wind blows through high towers, chimneys, electric wires and the like. The fluid in this embodiment may be wind or water, or may be other types of fluid as long as it can generate karman vortex street, and those skilled in the art can select and set the fluid according to actual needs. When the fluid is wind, the lower end of the first vibrating member 3 is connected with the coil induction assembly 1, and the lower end of the second vibrating member 4 is connected with the permanent magnet assembly 2, i.e., the first vibrating member 3 and the second vibrating member 4 extend upward toward the air; when the fluid is water, the upper end of the first vibrating member 3 is connected to the coil induction unit 1, and the upper end of the second vibrating member 4 is connected to the permanent magnet unit 2, i.e., the first vibrating member 3 and the second vibrating member 4 extend downward into the water. The following description is only given for the case that the fluid is wind, and the principles of other types of fluids are similar and are not repeated.

When wind acts on the first vibrating member 3 and the second vibrating member 4, a periodic alternating transverse force is generated on the first vibrating member 3 and the second vibrating member 4, so that the first vibrating member 3 and the second vibrating member 4 are caused to vibrate in a multi-harmonic periodic manner, the obtained vibration frequency and amplitude of the first vibrating member 3 and the second vibrating member 4 are transmitted to the permanent magnet assembly 2 through the second vibrating member 4, and relative displacement is generated between the permanent magnet assembly 2 and the coil induction assembly 1, so that induction electric energy is generated.

Connect the upper end of second vibration piece 4 in the upper end of first vibration piece 3, under the equal output of power generation facility, compare with single-rod power generation facility, the single-rod that is equivalent to single-rod power generation facility has been folded, thereby can reduce power generation facility's overall height, the position of rocking with the single-rod has shifted the below of second vibration piece 4 simultaneously, it rocks on member upper portion and should not install magnetic induction power generation facility to have solved, and the light and unsightly problem of head and foot, magnetic induction power generation facility installs in the member lower part, the basis is firm, easy maintenance. It is understood that, in order to reduce the overall height of the power generation device, the folded third vibration element and the folded fourth vibration element may be further added, and will not be described in detail herein. The shapes of the first vibrating element 3 and the second vibrating element 4 are not limited, for example, the first vibrating element 3 and the second vibrating element 4 may be straight rods or irregular bent rods, the first vibrating element 3 may be bent to form the second vibrating element 4, the second vibrating element 4 may be one or more layers of sleeves sleeved outside the first vibrating element 3, and the shapes are not limited as long as a plurality of vibrating elements are connected in series in a folding manner, and those skilled in the art can select the arrangement according to actual needs.

The utility model provides a power generation device, connect the one end of second vibration piece 4 in the first vibration piece 3 and keep away from the one end of coil response subassembly 1, the other end of second vibration piece 4 is fixed in permanent magnetism subassembly 2, according to karman vortex street principle, first vibration piece 3 and second vibration piece 4 can produce periodic vibration under the fluid action, drive to produce relative displacement between permanent magnetism subassembly 2 and the coil response subassembly 1, thereby produce the electric energy; under the condition of generating set output same power, adopt first vibrating member 3 to keep away from the mode that permanent magnetism subassembly 2 was kept away from to coil induction assembly 1's one end and second vibrating member 4, compare with single-rod type generating set, folded single-rod type generating set's single pole in other words to can reduce generating set's overall height, solved single-rod type generating set because of high difficult installation maintenance, and rock and cause fear and unsightly problem to the pedestrian easily.

The connecting mode of the vibrating pieces can be various, for example, welding, bolt fastening, integral manufacturing or alloy casting, etc., as long as the connecting mode can realize the mutual serial connection of the vibrating pieces, and the arrangement can be selected by those skilled in the art according to actual needs.

In one embodiment, the power generation device further comprises a third vibrating member 5 with elasticity, the upper end of the third vibrating member 5 is connected with the lower end of the first vibrating member 3, and the lower end of the third vibrating member 5 penetrates through the permanent magnet assembly 2 without contact and then is connected with the coil induction assembly 1, so that the movable connection between the first vibrating member 3 and the coil induction assembly 1 can be realized. The third vibrating member 5 may be a spring, a torsion spring, a special-shaped elastic rod or a multi-rod combination, and the elastic modulus of the spring can be changed by adjusting the length of the spring. In specific implementation, the elastic modulus of the first vibrating element 3, the second vibrating element 4, the third vibrating element 5 and the overall power generation device can be changed by changing the shape, material, size, heat treatment mode and the like of the first vibrating element 3, the second vibrating element 4 and the third vibrating element 5, and a plurality of resonant frequencies are formed, so that the second vibrating element 4 can achieve the required resonant amplitude, frequency and power in a wide wind power range.

Further, the third vibrating member 5 is a spring, the first vibrating member 3 is at least partially penetrated into the spring, and the length of penetration of the first vibrating member 3 into the spring can be adjusted. By adjusting the length of penetration of the first vibrating member 3 into the spring, the elastic modulus of the first vibrating member 3 and the spring as a whole can be changed, so that different resonance frequencies can be realized. In specific implementation, when the length of the first vibrating part 3 penetrating into the spring is increased, the elastic modulus of the spring is increased; when the length of penetration of the first vibrating member 3 into the spring is reduced, the elastic modulus of the spring becomes small.

Further, the upper end of the first vibrating member 3 and the upper end of the second vibrating member 4 are connected by a screw, and the first vibrating member 3 and the second vibrating member 4 can be moved in the axial direction to adjust the length of the first vibrating member 3 penetrating the spring. During the concrete implementation, because the lower extreme of second vibrating member 4 is fixed in permanent magnetism subassembly 2, first vibrating member 3 passes through spring swing joint in coil induction assembly 1, realizes first vibrating member 3 and second vibrating member 4's connection through the screw thread, can adjust the axial relative position between first vibrating member 3 and the second vibrating member 4, adjusts the length that first vibrating member 3 penetrated the spring, can change the holistic elastic modulus of first vibrating member 3 and spring.

In one embodiment, the permanent magnet assembly 2 includes a first magnetic conductive plate 21 and a plurality of permanent magnets 22 disposed on the first magnetic conductive plate 21, the first magnetic conductive plate 21 is fixed to the lower end of the second vibrating member 4; the coil induction assembly 1 comprises a second magnetic conductive disk 11, a plurality of magnetic conductors 12 and a plurality of induction coils 13, wherein the second magnetic conductive disk 11 is connected with the lower end of the spring, the plurality of magnetic conductors 12 are arranged on the second magnetic conductive disk 11, and the induction coils 13 are wound on the magnetic conductors 12; the first magnetic conductive disk 21 and the second magnetic conductive disk 11 are arranged oppositely, and each magnetic conductor 12 corresponds to one permanent magnet 22.

During specific implementation, the plurality of permanent magnets 22 may be uniformly distributed on the first magnetic conductive disk 21 along the circumferential direction, the plurality of magnetic conductors 12 are also uniformly distributed on the second magnetic conductive disk 11 along the circumferential direction, the plurality of permanent magnets 22 and the plurality of magnetic conductors 12 are respectively disposed on the opposite surfaces between the first magnetic conductive disk 21 and the second magnetic conductive disk 11, each permanent magnet 22 corresponds to one magnetic conductor 12, the permanent magnets 22 and the magnetic conductors 12 are disposed opposite and concentric, so that the permanent magnets 22 and the induction coil 13 are disposed concentrically, and the magnetic conductors 12 can play a role of converging magnetic induction lines, when the induction coil 13 is stationary, magnetic flux in the induction coil 13 reaches the maximum, an air gap is formed between each permanent magnet 22 and the corresponding magnetic conductor 12, and the air gap interval is 0.2mm to 2mm. The magnetizer 12 may be made of silicon steel sheet, ferrite, amorphous material, powder metallurgy, and other materials with good magnetic conductivity, small eddy current, and low iron loss. The plurality of induction coils 13 on each magnetizer 12 may be connected end to end, so that induced electromotive forces generated by the plurality of induction coils 13 are superposed. When the first vibrating part 3, the second vibrating part 4 and the third vibrating part 5 vibrate under the action of wind, the second vibrating part 4 transmits the vibration to the first magnetic conductive disc 21 fixedly connected with the first vibrating part and enables the first magnetic conductive disc 21 to vibrate, so that the permanent magnets 22 on the first magnetic conductive disc 21 perform translational shaking; the permanent magnet 22 will displace relative to the induction coil 13, causing the magnetic flux in the induction coil 13 to change, thereby generating an induced electric potential.

In one embodiment, the power generation device further includes an elastic limiting member 6, and the elastic limiting member 6 is used for buffering and limiting the excessive vibration amplitude of the second vibration member 4. The elastic limiting part 6 can be made of elastic materials such as rubber and a spring, and because the vibration amplitude of one end of the second vibrating part 4 connected with the permanent magnet component 2 is the largest, the elastic limiting part 6 limits the overlarge vibration amplitude of the second vibrating part 4, and the damage to the power generation device caused by the overlarge vibration amplitude of the second vibrating part 4 can be prevented when typhoon is met.

In an embodiment, the power generation device further includes a protective sleeve 8, the protective sleeve 8 is located outside the coil induction assembly 1 and the permanent magnet assembly 2, and the protective sleeve 8 is fixedly connected to the lower end of the first magnetic conductive disc 21 and/or the second vibrating member 4 of the permanent magnet assembly 2. Second vibration piece 4 is fixed with permanent magnet subassembly 2, and protective sheath 8 can with one fixed connection in permanent magnet subassembly 2 and the second vibration piece 4, also can with permanent magnet subassembly 2 and second vibration piece 4 all fixed connection, as long as can realize protective sheath 8 and permanent magnet subassembly 2 or second vibration piece 4 fixed can, the technical staff in the field can select the setting according to actual need. When the second vibrating member 4 vibrates, the protective sleeve 8 can vibrate together with the permanent magnet assembly 2 along with the second vibrating member 4, so that wind and rain can be prevented from invading the coil induction assembly 1 and the permanent magnet assembly 2. In practical application, the conductive parts of the coil induction component 1 and the permanent magnet component 2 are both filled and sealed with insulating glue, so that good environmental protection capability is ensured.

Furthermore, the elastic limiting member 6 is a limiting ring sleeved outside the coil sensing assembly 1, the limiting ring is located between the coil sensing assembly 1 and the protective sleeve 8, and a gap is formed between the limiting ring and the protective sleeve 8. During concrete implementation, be located coil induction component 1 and protective sheath 8 with the spacing ring, when second vibration piece 4 vibrates, protective sheath 8 can follow second vibration piece 4 and permanent magnetism subassembly 2 and vibrate together, and the spacing ring can restrict the too big motion of protective sheath 8, and then realizes the restriction to the amplitude of second vibration piece 4.

In one embodiment, the second vibration member 4 is a sleeve, the first vibration member 3 is at least partially located in the sleeve, the upper end of the first vibration member 3 is connected to the upper end of the sleeve, and the lower end of the sleeve is fixed to the permanent magnet assembly 2. The sleeve can be a layer or a plurality of layers, can be made of metal, plastic or composite materials, can be a straight cylinder type or a conical cylinder type, and can be in the forms of circular ring, polygonal ring, special-shaped hollow cylinder and the like in section, and is not limited specifically; the first vibrating element 3 may also be made of metal, plastic or composite material, and may be a straight rod type or a tapered rod type, and the cross section thereof may be hollow or solid circular, polygonal, or irregular, and the like, which is not limited to this, and those skilled in the art may select the arrangement according to actual needs.

In one embodiment, as shown in fig. 2, the coil induction assembly 1 of the power generation device includes a plurality of induction coil sets connected in parallel with each other, each induction coil set having a plurality of induction coils 13 connected in series with each other. During specific implementation, a plurality of induction coils 13 of each induction coil group are connected in series to generate a certain voltage, a plurality of induction coil groups are connected in parallel to form a certain current, and then are connected with different circuits or circuit elements to realize different functions, for example, the induction coil groups can be connected with a direct current voltage stabilizer and then used for lighting an LED street lamp, can also be connected with a battery charging circuit to charge a battery type load, can also be connected with an alternating current inverter circuit to supply power to a commercial power load (such as a household 220V electric appliance) or be connected to the grid, and can be specifically selected and set according to actual requirements.

The utility model provides a power generation facility simple structure is reasonable, and adaptation environmental force is strong (cold, hot, typhoon, torrential rain etc.), is applicable to multiple occasion, energy-concerving and environment-protective, has extremely extensive application prospect in wind power generation and street lamp illumination field. For example, the power generation device can be arranged on the top of a lamp post, electricity generated by the power generation device can be directly supplied to a street lamp, energy is saved, the environment is protected, electric power construction materials and cost are saved, particularly, the power generation device is very high from the ground, and electric shock accidents on the ground can be avoided; 220V alternating current power supply can be provided for residents and units in remote areas; the device can also be used for devices which can automatically use electricity, such as urban landscape lamps, large-screen advertising boards, electric gates, access control system lamps and the like, and is not described any more.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An electrical power generation device, comprising:

a coil sensing assembly;

the permanent magnet assembly is opposite to the coil induction assembly;

one end of the first vibrating piece is movably connected to the coil induction assembly;

one end of the second vibrating piece is connected to one end, far away from the coil induction assembly, of the first vibrating piece, and the other end of the second vibrating piece is fixed to the permanent magnet assembly;

the first vibrating piece and the second vibrating piece can generate combined vibration under the action of fluid to drive the permanent magnet assembly and the coil induction assembly to generate relative displacement.

2. The power generation apparatus according to claim 1, further comprising a third vibration member having elasticity, one end of the third vibration member being connected to the first vibration member, and the other end of the third vibration member being connected to the coil induction unit.

3. The power generation apparatus according to claim 2, wherein the third vibrating member is a spring, the first vibrating member is at least partially penetrated into the spring, and a length of penetration of the first vibrating member into the spring is adjustable.

4. The power generation device according to claim 3, wherein the end of the first vibrating member far from the coil induction assembly and the end of the second vibrating member far from the permanent magnet assembly are connected through threads, and the first vibrating member and the second vibrating member can move axially to adjust the length of the first vibrating member penetrating into and fixedly connecting with the third vibrating member.

5. The power generation device of claim 1, wherein the permanent magnet assembly comprises a first magnetically conductive disc and a plurality of permanent magnets disposed on the first magnetically conductive disc, the first magnetically conductive disc being fixed to the second vibrating member;

the coil induction assembly comprises a second magnetic conductive disc, a plurality of magnetic conductors and a plurality of induction coils, the plurality of magnetic conductors are arranged on the second magnetic conductive disc, and the induction coils are wound on the magnetic conductors;

the first magnetic conductive disc and the second magnetic conductive disc are arranged oppositely, and each magnetizer corresponds to one permanent magnet.

6. The power generation device according to any one of claims 1 to 5, further comprising an elastic limiting member for buffering and limiting the vibration amplitude of the second vibration member.

7. The dynamo-electric machine of claim 6 further comprising a protective sleeve positioned outside of said coil inductor assembly and said permanent magnet assembly and fixedly attached to said second vibratory member.

8. The power generation device according to claim 7, wherein the elastic limiting member is a limiting ring sleeved on the coil induction component, the limiting ring is located between the coil induction component and the protection sleeve, and a gap is formed between the limiting ring and the protection sleeve.

9. The power generation device according to claim 6, wherein the second vibrating member is a sleeve, the first vibrating member is at least partially located in the sleeve, and one end of the first vibrating member, which is away from the coil induction assembly, is connected to one end of the sleeve, and the other end of the sleeve is fixed to the permanent magnet assembly.

10. The power generation apparatus of any one of claims 1 to 5, wherein the coil induction assembly comprises a plurality of induction coil sets connected in parallel with each other, each induction coil set having a plurality of induction coils connected in series with each other.

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