CN215072093U

CN215072093U - Electromagnetic energy collector for intelligent wearable equipment

Info

Publication number: CN215072093U
Application number: CN202121298277.9U
Authority: CN
Inventors: 于一深; 苏宇锋; 程书晗
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-12-07
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses an intelligence wearing equipment is with electromagnetic type kinetic energy collector who adopts rotatory magnet. The magnetic motor is characterized in that the magnetic motor consists of a rotor magnet, a stator magnet and a stator coil in an insulating shell, wherein the coils are mutually connected in series, and the output end of each coil is connected with external electric equipment. The energy collector can collect the energy generated by the swinging of the arms or the legs when the human body moves and convert the energy into the electric energy required by the device. The principle of energy conversion is based on Faraday's law of electromagnetic induction, and when the arm swings, the rotor magnet in the energy collector can be driven to move, and simultaneously, due to the attraction and the repulsion of the two stator magnets, the energy collector can swing back and forth around the central stator magnet, and at the moment, induced electromotive force can be generated in the coil.

Description

Electromagnetic energy collector for intelligent wearable equipment

Technical Field

The utility model relates to an energy harvesting technology field especially relates to an intelligence is electromagnetic energy collector for wearing equipment.

Background

Along with the rapid development of smart phones in recent years, smart wearable devices matched with smart phones are rapidly developed, and the smart wearable devices can effectively assist people to obtain better experience. However, due to the characteristics of miniaturization and inconvenient disassembly of the equipment, the equipment is powered simply and conveniently, so that the problem which needs to be solved urgently is solved. The current mainstream power supply device is still the traditional chemical battery, and the chemical battery has the advantages of easily obtained raw materials, relatively low price and good discharge performance, but the waste battery can cause great pollution to the environment if being processed improperly, needs to be replaced frequently or charged and maintained in the use process, and has the characteristics of large size and difficult recovery, so that the chemical battery is determined to have great limitation in microelectronic equipment. In order to overcome the problems and to achieve higher reliability and longer service life, new power sources are continuously being sought to replace the conventional chemical batteries. The environmental energy is an energy source existing everywhere in nature, is inexhaustible, and if the widely existing energy can be reasonably collected and utilized, the development trouble of microelectronic equipment can be directly solved. Therefore, how to utilize the energy in the environment and convert the energy into the energy needed by human beings becomes a continuous breakthrough. The energy collector is a device capable of converting environmental energy into electric energy, and can collect kinetic energy widely existing in nature, namely energy generated by movement of a human body, and convert the kinetic energy into the electric energy in the required device, so that long-term standby and even self-power supply of equipment are realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the intelligent for wearing equipment electromagnetic energy collector who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an ability wearing electromagnetic type energy collector for equipment, the coil is fixed on the shell, and the coil divide into two-layerly, arranges respectively in the both sides of magnet, and every layer all has 5 coils, and the coil is established ties each other, and the central angle at two adjacent coil centers is 60.

Further, a small stator magnet is fixed to the housing of the energy collector, disposed in the gap of the coil, and does not contact the coil. The central stator magnet is fixed on the shell and positioned in the center of the shell, the two stator magnets are close to each other, and the magnetic flux directions of the two stator magnets are opposite.

Furthermore, the rotor magnet and the stator magnet are positioned on the same horizontal plane, the magnetic flux direction of the rotor magnet is opposite to that of the central stator magnet, and the shell has enough space so that the rotor magnet can swing back and forth around the central stator magnet.

Further, the diameter of the rotor magnet (2) should be larger than that of the small stator magnet to ensure that the rotor magnet can obtain a larger rotation angle when rotating.

Further, the central stator magnet and the rotor magnet may be formed in a circular ring shape to appropriately reduce the mass of the energy collector without affecting the efficiency of the energy collector to a small extent.

Furthermore, the two stator magnets respectively have the following functions: the central stator magnet can enable the rotor magnet to be firmly adsorbed on the central stator magnet without separation, so that the movement reliability is ensured; the small stator magnets can impart a reverse repulsive force to the rotor magnets, causing the rotor magnets to oscillate back and forth about the central stator magnet.

The utility model has the advantages that:

1. the structure is very simple, mainly comprises rotor magnet, stator coil and shell, and all devices need not carry out complicated processing, only need carry out simple assembly, have higher production efficiency in the production practice.

2. The magnet is used for replacing a bearing, so that the energy of friction loss when the rotor magnet of the energy collector rotates around the central stator can be reduced, and the energy conversion efficiency of the energy collector is improved.

3. The arrangement of two layers of coils on either side of the magnet increases the induced voltage generated in the coil of the energy collector, thereby increasing the efficiency of the energy collector.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an electromagnetic energy collector for an intelligent wearable device provided by the present invention;

fig. 2 is a schematic top view of an electromagnetic energy collector for an intelligent wearable device according to the present invention;

in the figure: 1 coil, 2 rotor magnets, 3 central stator magnets, 4 small stator magnets and 5 shells.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, the coil (1) is fixed on the housing (5), the coil (1) is divided into two layers, the two layers are respectively arranged on two sides of the magnet, each layer is provided with 5 coils, the center of the housing is taken as the center of a circle, and the central angle of the centers of two adjacent coils is 60 degrees. The small stator magnet (4) is fixed on the housing (5) of the energy collector, arranged in the gap of the coil and not in contact with the coil. The central stator magnet (3) is fixed on the shell and is positioned in the center of the shell, the two stator magnets are close to each other, and the magnetic flux directions of the two stator magnets are opposite. The rotor magnet (2) and the stator magnets (3) and (4) are positioned on the same horizontal plane, the magnetic flux direction of the rotor magnet is opposite to that of the central stator magnet (3), and the shell (5) has enough space to enable the rotor magnet (2) to swing back and forth around the central stator magnet (3). The coils (5) are connected in series, and two ends of the series coils are connected with the input end and the output end of external electric equipment.

Referring to fig. 2, coils (1) are embedded in the upper and lower sides of an energy collector housing (5), the distribution positions of the coils are the same as the movement positions of rotor magnets (2), and induced electromotive force is generated when the rotor magnets (2) move relatively along an induction coil. The outer diameters of the rotor magnet (2) and the central stator magnet (3) are the same.

The magnetization directions of the three magnets in the energy collector are magnetized along the axial direction, wherein the small stator magnet (4) and the rotor magnet (2) have the same magnetization direction, so that when the rotor magnet (2) approaches the small stator magnet (4), a repulsive force in the opposite direction can be obtained, and the axial magnetization direction of the central stator magnet (3) is opposite to that of the other two magnets, so that the rotor magnet (2) is tightly adsorbed on the central stator magnet (3).

The energy collector has the advantages that the shell (5) of the energy collector is detachable, the side without the magnet is the cover plate of the energy collector, the coil (1) is embedded in the cover plate, and the design is favorable for checking and maintaining internal devices.

The working principle is as follows: when in use, the energy collector is fixed on a moving part, and the connecting line direction of the two stator magnets (3) and (4) is perpendicular to the moving direction. When the moving part starts to move, excitation action is generated on the inner magnet, so that the rotor magnet (2) swings back and forth around the stator magnet (3), induced electromotive force is generated in the upper layer coil (1) and the lower layer coil (1) according to the Faraday's law of electromagnetic induction, the voltage of the input end and the output end of the coils (1) changes, the magnitude of the induced voltage is related to the rotating angular velocity of the rotor magnet (2), and the angular velocity of the rotor magnet (2) is related to the external excitation frequency, so that under a certain condition, the higher the external excitation frequency is, the better the output performance of the energy collector is.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An electromagnetic energy collector for intelligent wearable equipment comprises the following parts: the motor comprises a coil (1), a rotor magnet (2), a central stator magnet (3), a small stator magnet (4) and a shell (5); the method is characterized in that: coil (1) are fixed on shell (5), and coil (1) divide into two-layerly, arrange respectively in the both sides of magnet and the embedded inside the inside recess of shell (5), and every layer all has 5 coils, and the coil is established ties each other, uses central stator magnet (3) centre of a circle as the center, and the central angle of two adjacent coils is 60, under the external motion excitation, rotor magnet (2) are around central stator magnet (3) swing back and forth.

2. The electromagnetic energy collector for the intelligent wearable device as claimed in claim 1, wherein: the small stator magnet (4) is fixed on a shell (5) of the energy collector, arranged in the gap of the coil and not contacted with the coil, the central stator magnet (3) is fixed on the shell and positioned in the center of the shell, the two stator magnets are close to each other, and the magnetic flux directions of the two stator magnets are opposite.

3. The electromagnetic energy collector for the intelligent wearable device as claimed in claim 1, wherein: the rotor magnet (2), the central stator magnet (3) and the small stator magnet (4) are located on the same horizontal plane, the magnetic flux direction of the rotor magnet is opposite to that of the central stator magnet (3), and sufficient space is reserved in the shell to enable the rotor magnet to swing back and forth around the central stator magnet.

4. The electromagnetic energy collector for the intelligent wearable device as claimed in claim 1, wherein: the diameter of the rotor magnet (2) is larger than that of the small stator magnet, so that the rotor magnet can obtain a larger rotation angle when rotating.

5. The electromagnetic energy collector for the intelligent wearable device as claimed in claim 1, wherein: the central stator magnet and the rotor magnet are annular to reduce the mass of the energy harvester.