CN214756023U

CN214756023U - Self-powered wearable equipment

Info

Publication number: CN214756023U
Application number: CN202121136200.1U
Authority: CN
Inventors: 方飞龙; 林泽楷; 毛一涵; 毛佳晨; 罗伊蕊; 陈璐懿
Original assignee: HANGZHOU WANXIANG POLYTECHNIC
Current assignee: HANGZHOU WANXIANG POLYTECHNIC
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-16
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a self-power wearable equipment, include the equipment main part and install the power supply unit in the equipment main part, power supply unit is including combining power module, circuit board and battery, and combination power module includes coil, strong magnet and a plurality of group's piezoceramics piece, and combination power module produces the electromotive force through strong magnet reciprocal coil production electromotive force and strong magnet striking piezoceramics piece and produces the electromotive force and realize the electricity generation, and coil and piezoceramics piece are equallyd divide and do not are connected with the circuit board electricity, and circuit board, battery and equipment main part electricity in proper order are connected. The utility model discloses convenient operation does benefit to the speed that slows down in the battery electric quantity and exhausts to make things convenient for equipment to use.

Description

Self-powered wearable equipment

Technical Field

The utility model relates to a wearable equipment field, concretely relates to wearable equipment of self-power.

Background

A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. In the process of wearable equipment use, because the volume reason of equipment for wearable equipment's electric quantity is limited, needs to charge repeatedly, influences the use.

At present, wearable equipment that has on the market all is equipped with the belt interface usually or magnetism is inhaled formula external power source charger, some charging interface settings in the earphone box in addition, need take off wearable equipment when wearable equipment electric quantity is not enough and charge for wearable equipment's use receives the influence, influences equipment's use impression.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient to use's wearable equipment of self-power.

The utility model provides a technical scheme that above-mentioned problem adopted is:

the utility model provides a self-powered wearable equipment, include the equipment main part and install the power supply unit in the equipment main part, power supply unit is including combination power module, circuit board and battery, combination power module and battery are all through glue fixed connection in the equipment main part, combination power module includes the coil, strong magnet and a plurality of group piezoceramics piece, combination power module passes through that strong magnet reciprocates the coil and produces the electromotive force and the strong magnet strikes piezoceramics piece produces the electromotive force and realizes the electricity generation, coil and piezoceramics piece are equallyd divide and do not are connected with the circuit board electricity, the circuit board passes through screw fixed connection in the equipment main part, the circuit board, battery and equipment main part electricity in proper order are connected.

As the further improvement of the technical scheme, the combined power generation module further comprises an upper cover and a lower cover, the upper cover and the lower cover are connected through a buckle structure, the strong magnet and the piezoelectric ceramic pieces are located in a closed space formed by connecting the upper cover and the lower cover, grooves are formed in the outer side faces of the upper cover and the lower cover, when the upper cover and the lower cover are spliced, the two grooves are communicated to form a coil groove, the coil is located in the coil groove, a sliding rail is arranged on the lower cover, the strong magnet is connected on the sliding rail in a sliding mode, the sliding track of the strong magnet and the central axis of the coil are located on the same straight line, each group of piezoelectric ceramic pieces is composed of two piezoelectric ceramic pieces, the two piezoelectric ceramic pieces are located on the left side and the right side of the sliding track of the strong magnet respectively, and the piezoelectric ceramic pieces are fixedly connected to the lower cover. The strong magnet slides and reciprocates through the coil, so that induced current is generated on the coil, and the aim of charging the battery is fulfilled. Meanwhile, the side face of the strong magnet impacts the piezoelectric ceramic piece through vibration of the strong magnet, and the piezoelectric ceramic piece converts mechanical energy into electric energy, so that the purpose of charging the battery is achieved. Through two charging modes in the combined power generation module, the efficiency of charging by utilizing human motion is improved, the condition limitation of equipment charging is reduced, and the charging effect is favorably ensured and improved.

As a further improvement of the technical scheme, the circuit board comprises an electromagnetic induction type energy collection and conversion module and a piezoelectric type energy collection and conversion module, the electromagnetic induction type energy collection and conversion module comprises a rectification filter circuit and a voltage stabilizing circuit, the rectification filter circuit is electrically connected with the coil and is connected with the voltage stabilizing circuit in series, the rectification filter circuit adopts a bridge type rectification circuit, the voltage stabilizing circuit adopts a 7802-1A chip, the piezoelectric type energy collection and conversion module is electrically connected with a ceramic chip, and the piezoelectric type energy collection and conversion module adopts an LTC3588-1 module. Through the setting of electromagnetic induction type energy collection conversion module and piezoelectric type energy collection conversion module, do benefit to the stability when two kinds of charging methods on the guarantee combination power generation module charge to the battery, improve the charging effect.

As a further improvement of the technical scheme, the two ends of the motion track of the strong magnet are respectively provided with the anti-collision blocks which are fixedly connected to the lower cover, so that the condition that the strong magnet collides with the lower cover to cause damage to the strong magnet or the lower cover is avoided, and the power generation effect of the combined power generation module is guaranteed.

As a further improvement of the technical scheme, an interface for supplying power to the outside of the equipment is arranged on the side face of the equipment main body, so that the convenience of using the equipment is guaranteed.

As a further improvement of the technical scheme, the battery adopts a universal lithium battery with the capacity not higher than 200 mah.

Compared with the prior art, the utility model, have following advantage and effect:

the utility model discloses a vibration of the different directions that produce when the human motion realizes around the strong magnet slip or control the vibration, cooperation coil and piezoceramics piece's use for have two kinds of generating modes of electromagnetic induction power generation and piezoceramics power generation on the equipment, convenient to use has just improved the generating efficiency of equipment. Furthermore, the electric quantity in the battery can be supplemented through the self-powered function of the equipment, so that the speed of electric quantity exhaustion in the battery is reduced, and the normal use time of the equipment is prolonged. Meanwhile, due to the self-powered function of the equipment, the external charging equipment is prevented from being carried when people go out, the burden of carrying articles is reduced, and the sports feeling is favorably guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of a self-powered wearable device according to the present invention.

Fig. 2 is a schematic structural diagram of the interior of a self-powered wearable device according to the present invention.

Fig. 3 is a schematic structural view of the combined power generation module shown in fig. 2.

Fig. 4 is a schematic structural view of the circuit board shown in fig. 3.

Fig. 5 is a schematic structural diagram of the electromagnetic induction type energy collection and conversion module shown in fig. 4.

The device comprises a device main body 1, an interface 11, a power supply device 2, a combined power generation module 3, a coil 31, a strong magnet 32, a piezoelectric ceramic piece 33, an upper cover 34, a lower cover 35, a coil groove 36, a slide rail 37, an anti-collision block 38, a circuit board 4, an electromagnetic induction type energy collection and conversion module 41, a piezoelectric type energy collection and conversion module 42, a rectification filter circuit 43, a voltage stabilizing circuit 44 and a battery 5.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1-3, this embodiment is a self-powered wearable device, including equipment main body 1 and installing power supply unit 2 in equipment main body 1, power supply unit 2 includes combination power module 3, circuit board 4 and battery 5, combination power module 3 and battery 5 are all through glue fixed connection on equipment main body 1, combination power module 3 includes coil 31, strong magnet 32 and a plurality of group piezoceramics piece 33, combination power module 3 passes coil 31 through strong magnet 32 reciprocal and produces the electromotive force and strong magnet 32 strikes piezoceramics piece 33 and produces the electromotive force and realize the electricity generation, coil 31 and piezoceramics piece 33 are equallyd divide and are connected with circuit board 4 electricity, circuit board 4 passes through screw fixed connection on equipment main body 1, circuit board 4, battery 5 and equipment main body 1 electricity in proper order are connected. In this embodiment, the battery 5 is a lithium battery with model number of 401215 and capacity of 120 mah.

Referring to fig. 1, an interface 11 for supplying power to the outside of the device is disposed on a side surface of the device body 1, and the interface 11 may be a Type-a interface or a Type-C interface of a standard USB 3.0. In this embodiment, the interface 11 is a Type-a interface of a standard USB 3.0.

Referring to fig. 2 and 3, the combined power generation module 3 further includes an upper cover 34 and a lower cover 35, the upper cover 34 and the lower cover 35 are connected through a snap structure, the strong magnet 32 and the piezoelectric ceramic plates 33 are located in a closed space formed by connecting the upper cover 34 and the lower cover 35, grooves are formed in outer side surfaces of the upper cover 34 and the lower cover 35, when the upper cover 34 and the lower cover 35 are spliced, the two grooves are communicated to form a coil groove 36, the coil 31 is located in the coil groove 36, a slide rail 37 is arranged on the lower cover 35, the strong magnet 32 is slidably connected to the slide rail 37, a sliding track of the strong magnet 32 and a central axis of the coil 31 are located on the same straight line, each group of the piezoelectric ceramic plates 33 is composed of two piezoelectric ceramic plates 33, the two piezoelectric ceramic plates 33 are located on left and right sides of the sliding track of the strong magnet 32, and the piezoelectric ceramic plates 33 are fixedly connected to the lower cover 35.

Referring to fig. 3, two ends of the movement track of the strong magnet 32 are provided with anti-collision blocks 38, and the anti-collision blocks 38 are fixedly connected to the lower cover 35.

Referring to fig. 4 and 5, the circuit board 4 includes an electromagnetic induction type energy collection and conversion module 41 and a piezoelectric type energy collection and conversion module 42, the electromagnetic induction type energy collection and conversion module 41 includes a rectifying and filtering circuit 43 and a voltage stabilizing circuit 44, the rectifying and filtering circuit 43 is electrically connected to the coil 31, the rectifying and filtering circuit 43 is connected in series with the voltage stabilizing circuit 44, the rectifying and filtering circuit 43 employs a bridge type rectifying circuit, the voltage stabilizing circuit 44 employs a 7802-1A chip, the piezoelectric type energy collection and conversion module 42 is electrically connected to the ceramic sheet 33, and the piezoelectric type energy collection and conversion module 42 employs an LTC3588-1 module.

To sum up, the utility model discloses the theory of operation as follows:

the front and back sliding or the left and right vibration of the strong magnet is realized by the vibration in different directions generated when the human body moves.

When the strong magnet slides back and forth across the coil, the magnetic flux across the coil increases as the strong magnet extends into the coil and decreases as the strong magnet extends out of the coil. Because the magnetic flux passing through the coil changes, induced current is generated on the coil, and the aim of charging the battery is fulfilled.

When the strong magnet vibrates left and right to enable the side face of the strong magnet to impact the piezoelectric ceramic piece, the piezoelectric ceramic piece is subjected to external pressure to generate mechanical change, the polarization intensity of the piezoelectric ceramic piece is reduced, and a part of charges attached to the surface of the piezoelectric ceramic piece are released, so that the purpose of charging a battery is achieved. When the strong magnet stops applying pressure to the piezoelectric ceramic piece, the piezoelectric ceramic piece recovers to the original state, the polarization intensity of the piezoelectric ceramic piece is increased, and a part of charges are adsorbed on the surface of the piezoelectric ceramic piece.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A self-powered wearable device comprising a device body (1) and a power supply means (2) mounted in the device body (1), characterized in that: power supply unit (2) are including combination power module (3), circuit board (4) and battery (5), combination power module (3) and battery (5) all through glue fixed connection on equipment main part (1), combination power module (3) include coil (31), strong magnet (32) and a plurality of group piezoceramics piece (33), combination power module (3) are through strong magnet (32) reciprocal coil (31) that passes production electromotive force and strong magnet (32) striking piezoceramics piece (33) production electromotive force realization electricity generation, coil (31) and piezoceramics piece (33) are equallyd divide and are do not connected with circuit board (4) electricity, circuit board (4) are through screw fixed connection in equipment main part (1), circuit board (4), battery (5) and equipment main part (1) electricity in proper order are connected.

2. The self-powered wearable device of claim 1, wherein: the combined power generation module (3) further comprises an upper cover (34) and a lower cover (35), the upper cover (34) and the lower cover (35) are connected through a buckle structure, the strong magnet (32) and the piezoelectric ceramic plates (33) are located in a closed space formed by connecting the upper cover (34) and the lower cover (35), grooves are formed in the outer side faces of the upper cover (34) and the lower cover (35), when the upper cover (34) and the lower cover (35) are spliced, the two grooves are communicated to form a coil groove (36), the coil (31) is located in the coil groove (36), a sliding rail (37) is arranged on the lower cover (35), the strong magnet (32) is connected to the sliding rail (37) in a sliding mode, the sliding track of the strong magnet (32) and the central axis of the coil (31) are located on the same straight line, the piezoelectric ceramic plates (33) are composed of two piezoelectric ceramic plates (33), the two piezoelectric ceramic plates (33) are located on the left side and the right side of the sliding track of each group of the strong magnet (32) respectively, the piezoelectric ceramic plate (33) is fixedly connected to the lower cover (35).

3. The self-powered wearable device of claim 1, wherein: the circuit board (4) comprises an electromagnetic induction type energy collection and conversion module (41) and a piezoelectric type energy collection and conversion module (42), the electromagnetic induction type energy collection and conversion module (41) comprises a rectifying and filtering circuit (43) and a voltage stabilizing circuit (44), the rectifying and filtering circuit (43) is electrically connected with the coil (31), the rectifying and filtering circuit (43) is connected with the voltage stabilizing circuit (44) in series, the rectifying and filtering circuit (43) adopts a bridge type rectifying circuit, the voltage stabilizing circuit (44) adopts a 7802-1A chip, the piezoelectric type energy collection and conversion module (42) is electrically connected with the ceramic chip (33), and the piezoelectric type energy collection and conversion module (42) adopts an LTC3588-1 module.

4. The self-powered wearable device of claim 2, wherein: and two ends of the motion track of the strong magnet (32) are provided with anti-collision blocks (38), and the anti-collision blocks (38) are fixedly connected to the lower cover (35).

5. The self-powered wearable device of claim 1, wherein: an interface (11) for supplying power to the outside of the equipment is arranged on the side surface of the equipment main body (1).

6. The self-powered wearable device of claim 1, wherein: the battery (5) adopts a universal lithium battery with the capacity not higher than 200 mah.