CN215956125U

CN215956125U - Vibration power generation device

Info

Publication number: CN215956125U
Application number: CN202121641334.9U
Authority: CN
Inventors: 房广禄; 陈超; 王峰
Original assignee: Xian Railway Signal Co Ltd
Current assignee: Xian Railway Signal Co Ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-03-04
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses a vibration power generation device, which is characterized in that: the magnetic iron core is characterized by comprising an upper coil and a lower coil (4), wherein the upper coil and the lower coil are symmetrically sleeved and fixed at two ends of a magnet (7), two ends of the magnet (7) are limited between a lower base (6) and an upper top cover (2) through two groups of springs (3) at two ends, the shell (1), the lower base (6) and the upper top cover (2) are sealed to form a shell, and the upper coil and the lower coil (4), the magnet (7) and the two groups of springs (3) are fixed in the shell. The vibration power generation device optimizes the magnetic field distribution in the device, improves the power generation efficiency, reduces the product optimization design cost, shortens the design period, enables the improved effect to be more visual each time, and provides design data for the optimization design.

Description

Vibration power generation device

Technical Field

The utility model relates to the technical field of electromagnetic simulation aided design, in particular to a vibration power generation device.

Background

As shown in fig. 1 and 4, a structural schematic diagram of a conventional vibration power generation device is shown, because the magnet is located in the middle of a single coil, when the magnet moves, only a small number of coils in the range of two end portions of the magnet cut the magnetic induction lines, and the coil in the middle area cannot cut the magnetic induction lines to generate induced potential, so that the vibration power generation device has low power generation efficiency, heavy overall weight and high production cost.

Disclosure of Invention

The utility model aims to overcome the defects of high production cost and long design period in the prior art, and provides an optimal design method of a vibration power generation device with low cost and high efficiency.

In order to solve the above problems, the present invention provides a vibration power generation device, which includes an upper coil and a lower coil symmetrically sleeved and fixed at two ends of a magnet, wherein two ends of the magnet are limited between a lower base and an upper top cover through two sets of springs at two ends, a housing is formed by closing a housing, the lower base and the upper top cover, and the upper and lower coils, the magnet and the two sets of springs are fixed in the housing.

A connecting rod for connection is arranged in the center of the lower base and the upper top cover, and the magnet is sleeved on the connecting rod; there is the round slot in the base outside of going to the bottom, and there is big above-mentioned little mounting hole below the centre, has the internal thread in the middle of going up the top cap, and the connecting rod runs through base mounting hole down, magnet between upper and lower two sets of springs and the spring, has female connection in the middle of the external screw thread that makes the connecting rod upper end and the last top cap, and in the big head of connecting rod gets into big above-mentioned little mounting hole below, the shell inserted the round slot of the outside round of base down, and there is the top cap seal shell upper end.

The height of the upper coil and the lower coil is equal to that of the two groups of springs, and the upper coil and the lower coil are distributed on the outer sides of the two groups of springs.

The upper coil and the lower coil are fixed by a non-magnetic bracket.

The magnetic conduction pipe is made of pure iron materials.

The height of each coil of the upper coil and the lower coil is 30 mm.

The distance between the upper coil and the lower coil is 30 mm.

The thickness of the magnetic conduction pipe is 4 mm.

The magnetic conducting pipe material is electrician pure iron.

The height of the magnetic conduction pipe is 90 mm.

The utility model has the advantages that: firstly, the time cost and the economic cost can be saved by using computer aided design, secondly, simulation analysis software is used, the coil is changed into an upper part and a lower part of an I shape, the effective induction part of the coil is fully utilized, when the magnet moves, only the coil in the range of the two end parts of the magnet can cut the magnetic induction line, but the coil in the middle area can not cut the magnetic induction line to generate induction potential, the I shape coil not only fully utilizes the effective induction range, but also saves the coil material, and the product weight is reduced. According to the utility model, the electrician pure iron is added outside the coil, so that the distribution of magnetic induction lines of a magnetic field is changed, and after the electrician pure iron is added, the angle between the magnetic induction lines of the effective cutting part of the coil and the coil is more right-angled, so that the power generation efficiency is correspondingly improved.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a conventional product simulation;

FIG. 2 is a schematic diagram of a product simulation according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is a diagram illustrating a magnetic field distribution inside a conventional vibration power generator;

FIG. 5 is a diagram of the internal magnetic field distribution according to an embodiment of the present invention.

In the figure, 1, a shell; 2. a top cover is arranged; 3. a spring; 4. a coil; 5. a magnetic conduction pipe; 6. a lower base; 7. a magnet; 8. a connecting rod; 9. a circular groove; 10. mounting holes; 11. an internal thread; 12. a non-magnetic stent.

Detailed Description

To further explain the technical means and effects of the present invention adopted to achieve the intended purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.

As shown in fig. 2 and 3, the utility model relates to a vibration power generation device, which comprises an upper coil 4 and a lower coil 4, wherein the upper coil and the lower coil are symmetrically sleeved and fixed at two ends of a magnet 7, two ends of the magnet 7 are limited between a lower base 6 and an upper top cover 2 through two groups of springs 3 at two ends, a shell 1, the lower base 6 and the upper top cover 2 are sealed to form a shell, and the upper coil 4, the lower coil 7 and the two groups of springs 3 are fixed in the shell.

A connecting rod 8 for connection is arranged in the centers of the lower base 6 and the upper top cover 2, and the magnet 7 is sleeved on the connecting rod 8; there is round groove 9 in the 6 outsides of lower base, there is big mounting hole 10 down in the centre, there is internal thread 11 in the middle of going up the top cap 2, connecting rod 8 run through with 6 mounting hole 10 of lower base, upper and lower two sets of spring 3 and upper and lower two sets of magnet 7 between the spring 3, there is internal thread 11 to be connected in the middle of external screw thread and the last top cap 2 of messenger's 8 upper end, 8 big head ends of connecting rod get into big mounting hole 10 down in, shell 1 inserts in the round groove 9 of 6 outsides circles of lower base, there is top cap 2 to seal on the shell 1 upper end.

The height of the upper coil 4 and the lower coil 4 is equal to that of the two groups of springs 3, and the upper coil 4 and the lower coil 4 are distributed on the outer sides of the two groups of springs 3.

The upper and lower coils 4 are fixed by a non-magnetic bracket 12.

The magnetic conduction pipe 5 is made of pure iron materials, and magnetic field distribution inside the device is optimized.

The height of each coil 4 of the upper and lower two coils 4 is 30mm, the distance between the two coils 4 is 30mm, and the distance between the coils 4 varies with the height of the coil 4 and the height of the non-magnetic support 12 and varies with the volume of the device.

The thickness of the magnetic conduction pipe 5 is 4mm, the height is 90mm, the stronger the magnetism of the magnet 7 is, the thicker the magnetic conduction pipe 5 is, and the thickness of the magnetic conduction pipe is changed along with the difference of the magnetism of the magnet 7.

As shown in fig. 4 and 5, a vibration power generation device is modeled and simulated by using Maxwell electromagnetic simulation software, one coil 4 is changed into an upper coil 4 and a lower coil 4 which are symmetrically arranged near two ends of a magnet 7, the structure and the position of the coil 4 of the device are optimized, a magnetic conduction pipe 5 made of electrician pure iron is added outside the coil 4, the magnetic field distribution inside the device is optimized, the power generation efficiency is improved, the product optimization design cost is reduced, the design period is shortened, the effect of each improvement is more visual, and design data are provided for optimization design.

The working principle of the utility model is that the base and the shell 1 are connected and fixed through screws, the coil 4 and the electrician pure iron are placed in the shell 1, then a long bolt penetrates out of the bottom of the base upwards, the spring 3 and the magnet 7 are sleeved on the long bolt in sequence as shown in the figure, then the cover plate is covered, and the long bolt is screwed down. When the vibration power generation device works, the external vibration enables the magnet 7 and the spring 3 system in the product to do regular up-and-down linear motion, and induced electromotive force is generated on the coil 4 according to the law of electromagnetic induction.

The present invention solves the following three problems:

1. the problem of the low generating efficiency of vibration power generation facility is solved.

2. The problem of vibration power generation facility wholly heavier is solved.

3. The utility model uses simulation software to simulate the internal magnetic field of the product, and solves the problems that the product consumes long time in the optimization design, can not visually reflect the change of the internal magnetic field of the product and has high optimization design cost.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. A vibration power generation device is characterized in that: the magnetic iron core is characterized by comprising an upper coil and a lower coil (4), wherein the upper coil and the lower coil are symmetrically sleeved and fixed at two ends of a magnet (7), two ends of the magnet (7) are limited between a lower base (6) and an upper top cover (2) through two groups of springs (3) at two ends, the shell (1), the lower base (6) and the upper top cover (2) are sealed to form a shell, and the upper coil and the lower coil (4), the magnet (7) and the two groups of springs (3) are fixed in the shell.

2. A vibration power generation device according to claim 1, wherein: a connecting rod (8) for connection is arranged in the centers of the lower base (6) and the upper top cover (2), and the magnet (7) is sleeved on the connecting rod (8); there is round groove (9) in the base (6) outside down, there is big-end-up's mounting hole (10) down in the centre, there is internal thread (11) in the middle of going up top cap (2), connecting rod (8) run through with base (6) mounting hole (10) down, upper and lower two sets of spring (3) and upper and lower two sets of magnet (7) between spring (3), there is internal thread (11) to be connected in the middle of external screw thread and last top cap (2) that makes connecting rod (8) upper end, the big head end of connecting rod (8) bottom gets into big-end-up's mounting hole (10) down, shell (1) insert down in round groove (9) of base (6) outside round groove (2), shell (1) upper end has last top cap (2) to seal.

3. A vibration power generation device according to claim 1, wherein: the height of the upper coil (4) and the height of the lower coil (4) are equal to that of the two groups of springs (3), and the upper coil (4) and the lower coil (4) are distributed on the outer sides of the two groups of springs (3).

4. A vibration power generation device according to claim 1, wherein: the upper coil (4) and the lower coil (4) are fixed by a non-magnetic bracket (12).

5. A vibration power generation device according to claim 1, wherein: furthermore, a magnetic conduction pipe (5) made of electrician pure iron is added outside the coil (4).

6. A vibration power generation device according to claim 1, wherein: the height of each coil (4) of the upper coil (4) and the lower coil (4) is 30 mm.

7. A vibration power generation device according to claim 1, wherein: the distance between the upper coil (4) and the lower coil (4) is 30 mm.

8. A vibration power generation device according to claim 5, wherein: the thickness of the magnetic conduction pipe (5) is 3 mm-5 mm.

9. A vibration power generation device according to claim 5, wherein: the magnetic conduction pipe (5) is made of electrician pure iron.

10. A vibration power generation device according to claim 5, wherein: the height of the magnetic conduction pipe (5) is 90 mm.