阅读说明：本技术 一种基于磁通密度突变的平面能量收集器 (Plane energy collector based on magnetic flux density abrupt change ) 是由 彭艳 张兰 李忠杰 罗均 谢少荣 蒲华燕 于 2020-11-24 设计创作，主要内容包括：本发明公开了一种基于磁通密度突变的平面能量收集器,包括外壳、线圈阵列一、线圈阵列二和磁铁阵列,所述线圈阵列一和所述线圈阵列二均由多个串联连接的线圈构成,所述线圈阵列一和所述线圈阵列二串联连接,所述线圈阵列一设置于所述外壳的壳盖上,所述线圈阵列二设置于所述外壳的壳底座内,所述磁铁阵列由多个小磁铁构成,所述磁铁阵列设置于所述线圈阵列一和所述线圈阵列二之间,且所述磁铁阵列的两端与所述壳底座的两个端板通过弹簧连接；本发明可以充分吸收环境中的振动能并将其转换为电能,完全无需外部功能,且还具备整体结构简单、小体积、低功耗、便携的优点。(The invention discloses a plane energy collector based on magnetic flux density mutation, which comprises a shell, a first coil array, a second coil array and a magnet array, wherein the first coil array and the second coil array are both formed by a plurality of coils connected in series; the invention can fully absorb the vibration energy in the environment and convert the vibration energy into electric energy, does not need external functions at all, and has the advantages of simple integral structure, small volume, low power consumption and portability.)

1. A planar energy harvester based on abrupt changes in magnetic flux density, comprising: including shell, coil array one, coil array two and magnet array, coil array one with coil array two constitutes by the coil of a plurality of series connection, coil array one with two series connection of coil array, coil array one set up in on the cap of shell, coil array two set up in the shell base of shell, magnet array comprises a plurality of little magnet, magnet array set up in coil array one with between the coil array two, just magnet array's both ends with two end plates of shell base pass through spring coupling.

2. The flat energy harvester based on abrupt change of magnetic flux density of claim 1, wherein: the first coil array and the second coil array are formed by arranging 16 coils in a rectangular mode, and the coils of the first coil array and the second coil array are fixed on a shell cover and a shell base of the shell through wire posts respectively.

3. The flat energy harvester based on abrupt change of magnetic flux density of claim 1, wherein: the shell cover is provided with a first threading hole and a second threading hole, and two thread ends of each coil of the first coil array penetrate out of the shell through the first threading hole and the second threading hole and are connected in series.

4. The flat energy harvester based on abrupt change of magnetic flux density of claim 1, wherein: and a third threading hole and a fourth threading hole are formed in the shell base, and two thread heads of each coil of the second coil array penetrate out of the shell through the third threading hole and the fourth threading hole respectively and are connected in series.

5. The flat energy harvester based on abrupt change of magnetic flux density of claim 1, wherein: the bottom of cap is provided with two spacer pins, the up end board evagination of shell base, be provided with the spacing hole relative with two spacer pins on the lower end board of shell base, the top of cap is located the bottom of the up end board of shell base, and passes through the screw connection, the bottom of cap then insert through the spacer pin spacing downthehole, realize with the spacing connection of shell base.

6. The abrupt magnetic flux density based planar energy harvester of claim 5, wherein: the magnet array is formed by arranging 16 cube small magnets in an N-pole and S-pole alternating mode, the magnet array is arranged in the magnet support, one ends of the two springs are fixed in spring fixing grooves formed in the upper end plate and the lower end plate of the magnet support, and the other ends of the two springs are fixed in spring fixing grooves formed in the inner sides of the upper end plate and the lower end plate of the shell base.

7. The abrupt magnetic flux density based planar energy harvester of claim 6, wherein: the inboard of the both sides board of shell base is provided with the slide, be provided with a plurality of ball hole one on the slide top lateral wall, be provided with a plurality of ball hole two on the slide bottom lateral wall, ball hole one with be provided with the ball in the ball hole two, the both sides of magnet support with slide roll connection.

8. The abrupt magnetic flux density based planar energy harvester of claim 7, wherein: the ball is a silicon nitride ball.

9. The abrupt magnetic flux density based planar energy harvester of claim 8, wherein: and lubricating oil is arranged in a gap between the magnet bracket and the shell.

Technical Field

The invention relates to the technical field of energy collecting devices, in particular to a plane energy collector based on magnetic flux density abrupt change.

Background

With the continuous development of science and technology, the demand and the dependence of people on energy sources are increasing day by day. In recent years, power generation using conventional fossil fuels has exposed increasing problems such as air pollution, emission of large amounts of greenhouse gases, and difficulty in fuel waste disposal. In particular, with the rapid development of the micro-electromechanical technology and the electronics industry, the volume of wireless electronic devices is gradually miniaturized. The supply of energy has limited the development of wireless electronic devices. The conventional battery-powered method has many disadvantages in that the battery, although providing sufficient energy, has a short service life and needs to be replaced periodically, and the discarded battery is difficult to recycle.

To solve these problems, researchers have sought to replace conventional fossil-fuel power generation with ambient vibration power generation, and currently common energy harvesting mechanisms include electromagnetic, triboelectric, magnetostrictive, and piezoelectric. The defects of complicated structure degree and large volume of the conventional energy collecting device generally exist.

Disclosure of Invention

The invention aims to provide a plane energy collector based on abrupt change of magnetic flux density, which solves the problems in the prior art, can fully absorb vibration energy in the environment and convert the vibration energy into electric energy, does not need external functions at all, and has the advantages of simple integral structure, small volume, low power consumption and portability.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a plane energy collector based on magnetic flux density abrupt change, which comprises a shell, a first coil array, a second coil array and a magnet array, wherein the first coil array and the second coil array are both formed by a plurality of coils connected in series, the first coil array and the second coil array are connected in series, the first coil array is arranged on a shell cover of the shell, the second coil array is arranged on a shell base of the shell, the magnet array is formed by a plurality of small magnets, the magnet array is arranged between the first coil array and the second coil array, and two ends of the magnet array are connected with two end plates of the shell base through springs.

Preferably, the first coil array and the second coil array are formed by arranging 16 coils in a rectangular shape, and the coils of the first coil array and the second coil array are respectively fixed on the shell cover and the shell base of the shell through wire posts.

Preferably, the shell cover is provided with a first threading hole and a second threading hole, and two thread ends of each coil of the first coil array penetrate out of the shell through the first threading hole and the second threading hole and are connected in series.

Preferably, a third threading hole and a fourth threading hole are formed in the shell base, and two thread ends of each coil of the second coil array penetrate out of the shell through the third threading hole and the fourth threading hole respectively and are connected in series.

Preferably, the bottom of the shell cover is provided with two limiting pins, the upper end plate of the shell base protrudes outwards, the lower end plate of the shell base is provided with limiting holes opposite to the two limiting pins, the top end of the shell cover is located at the bottom of the upper end plate of the shell base and is connected with the upper end plate through screws, and the bottom end of the shell cover is inserted into the limiting holes through the limiting pins to realize limiting connection with the shell base.

Preferably, the magnet array is formed by arranging 16 cube small magnets in an N-pole and S-pole alternating mode, the magnet array is arranged in the magnet support, one ends of the two springs are fixed in spring fixing grooves formed in the upper end plate and the lower end plate of the magnet support, and the other ends of the two springs are fixed in spring fixing grooves formed in the inner sides of the upper end plate and the lower end plate of the shell base.

Preferably, the inboard of the both sides board of shell base is provided with the slide, be provided with a plurality of ball hole one on the lateral wall of slide top, be provided with a plurality of ball hole two on the lateral wall of slide bottom, ball hole one with be provided with the ball in the ball hole two, the both sides of magnet support with slide roll connection.

Preferably, the balls are silicon nitride balls.

Preferably, a gap between the magnet holder and the housing is provided with lubricating oil.

Compared with the prior art, the invention has the following beneficial technical effects:

1. the plane energy collector based on the abrupt change of the magnetic flux density completely realizes the self-energy supply of the system, absorbs energy from the vibration in the environment, and converts the vibration energy into electric energy by utilizing an electromagnetic conversion mechanism.

2. The plane energy collector based on the abrupt change of the magnetic flux density mainly comprises a magnet array, two coil arrays and an upper shell and a lower shell, and is simple in structure, small in size and easy to manufacture.

3. According to the plane energy collector based on the abrupt change of the magnetic flux density, sliding friction between the magnet support and the shell is converted into rolling friction by the balls, and lubricating oil is added into a gap between the magnet support and the shell, so that the friction is further reduced, the energy dissipation is reduced, and the energy conversion efficiency of the device is improved.

4. The plane energy collector based on the abrupt change of the magnetic flux density uses the cube magnet and adopts the alternative arrangement mode of the N pole and the S pole, so that the change rate of the magnetic flux is obviously increased, and the power generation capacity of the device is improved.

5. According to the plane energy collector based on magnetic flux density mutation, the dispersed small magnets are used for replacing large magnets with the same volume, the number of edges of the magnets is increased, and the magnetic flux density change at the edges of the magnets is the largest, so that the magnetic flux density mutation times of the coils can be increased by adopting the mode, and the power generation capacity of the device is improved.

6. The plane energy collector based on the magnetic flux density abrupt change uses the titanium alloy wire column to fix the coil, and the titanium alloy has excellent magnetic permeability, so that the power generation capacity of the device can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 creative efforts.

FIG. 1 is a schematic perspective view of a flat energy collector based on abrupt changes in magnetic flux density according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a front view of the housing cover of the present invention;

FIG. 4 is a perspective view of the housing cover according to the present invention;

FIG. 5 is a schematic view of a magnet array according to the present invention;

FIG. 6 is a front view of the base of the housing of the present invention;

FIG. 7 is a perspective view of the base of the housing of the present invention;

FIG. 8 is a partial view of the housing base of the present invention at the slide;

FIG. 9 is a layout of magnets in the present invention;

FIG. 10 is a circuit diagram of the present invention;

in the figure: 1-a shell cover, 2-a-threading hole I, 2-b-threading hole II, 2-c-threading hole III, 2-d-threading hole IV, 3-wire column, 4-a-coil array I, 4-b-coil array II, 5-threaded hole, 6-a-spring I, 6-b-spring II and 7-magnet support, 8-magnet array, 9-a-spring fixing groove, 9-b-spring fixing groove, 10-shell base, 11-end plate, 12-ball hole I, 13-ball hole II, 14-energy collector, 15-rectifying circuit, 16-DC-DC voltage regulating circuit, 17-energy storage circuit and 18-electronic element.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a plane energy collector based on abrupt change of magnetic flux density so as to solve the problems in the prior art.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The planar energy collector based on the abrupt change of the magnetic flux density in the embodiment comprises a shell, a first coil array 4-a, a second coil array 4-b and a magnet array 8, wherein the first coil array 4-a and the second coil array 4-b are both formed by a plurality of coils connected in series, the first coil array 4-a and the second coil array 4-b are connected in series, the first coil array 4-a is arranged on a shell cover 1 of the shell, the second coil array 4-b is arranged in a shell base 10 of the shell, the magnet array 8 is formed by a plurality of small magnets, the magnet array 8 is arranged between the first coil array 4-a and the second coil array 4-b, and two ends of the magnet array 8 are connected with two end plates 11 of the shell base 10 through springs, as shown in fig. 1-2.

As shown in fig. 3-4 and 6-7, the first coil array 4-a and the second coil array 4-b are formed by arranging 16 coils in a rectangular shape, and the coils of the first coil array 4-a and the second coil array 4-b are respectively fixed on the shell cover 1 and the shell base 10 of the shell by the wire posts 3; the shell cover 1 is provided with a first threading hole 2-a and a first threading hole 2-b, two thread heads of each coil of the first coil array 4-a penetrate out of the shell through the first threading hole 2-a and the first threading hole 2-b respectively and are connected in series, the shell base 10 is provided with a third threading hole 2-c and a fourth threading hole 2-d, and two thread heads of each coil of the second coil array 4-b penetrate out of the shell through the third threading hole 2-c and the fourth threading hole 2-d respectively and are connected in series; and each wire head is connected outside the shell by adopting soldering tin, so that the phenomenon that excessive internal space is occupied is avoided.

In this embodiment, two limit pins are disposed at the bottom of the housing cover 1, the upper end plate 11 of the housing base 10 protrudes outward, the lower end plate 11 of the housing base 10 is provided with limit holes opposite to the two limit pins, the top end of the housing cover 1 is located at the bottom of the upper end plate 11 of the housing base 10 and passes through the threaded hole 5 to be connected, and the bottom end of the housing cover 1 is inserted into the limit holes through the limit pins to realize the limit connection with the housing base 10.

As shown in fig. 5 and 9, the magnet array 8 is formed by arranging 16 cube small magnets in an alternating manner of N-pole and S-pole, the magnet array 8 is arranged in the magnet support 7, one end of the first spring 6-a and the second spring 6-b is fixed in a spring fixing groove arranged at the upper end and the lower end of the magnet support 7, and the other end of the first spring 6-a and the second spring 6-b is fixed in a spring fixing groove 9-a and a spring fixing groove 9-b arranged at the inner side of the upper end plate 11 and the lower end plate 11 of the shell base 10.

As shown in fig. 8, the inner sides of the two side plates of the housing base 10 are provided with a slide way, the side wall of the top of the slide way is provided with a plurality of ball holes one 12, the side wall of the bottom of the slide way is provided with a plurality of ball holes two 13, a silicon nitride ball with the diameter of 1.2mm is installed in the ball hole one 12, a silicon nitride ball with the diameter of 1.588mm is installed in the ball hole two 13, the rolling connection between the two sides of the magnet support 7 and the slide way is realized through the arrangement of the balls, the sliding friction and the sliding friction are converted into the rolling friction, so that the energy dissipation is reduced, and in order to further improve the power generation performance of the device, lubricating oil is further added.

The circuitry of the device is described in connection with fig. 10. When the energy collector 14 is vibrated, the magnet arrays reciprocate between the two coil arrays, sinusoidal current is generated in the coils, the energy collector outputs alternating current, the output end of the energy collector 14 is connected with the input end of the rectifying circuit 15, and the rectifying circuit can convert the alternating current into direct current. The output of the rectifying circuit 15 is connected to the input of a DC-DC voltage regulating circuit 16, and the DC-DC voltage regulating circuit 16 can regulate the voltage to match the voltage required by the subsequent circuits. The output end of the DC-DC voltage regulating circuit 16 is connected with the input end of the energy storage circuit 17, and the collected energy is stored. The supply of electrical energy to the electronic components is achieved by connecting the output of the tank circuit 17 to the input of the electronic components 18.

The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.