WO2020155369A1

WO2020155369A1 - Vibration-type self-powered led lamp

Info

Publication number: WO2020155369A1
Application number: PCT/CN2019/081170
Authority: WO
Inventors: 黄锦锋
Original assignee: 泉州动态科技有限公司
Priority date: 2019-02-01
Filing date: 2019-04-03
Publication date: 2020-08-06
Also published as: CN109751555A

Abstract

A vibration-type self-powered LED lamp comprising a power generation assembly (1) and a light emitting assembly (2). The power generation assembly (1) comprises an upper housing (111) and a lower housing (112) connected to each other. The upper housing (111) comprises a base and an inner wall. A coil base (1121) is provided at the lower housing (112). The coil base (1121) defines a movement cavity (3). A coil protection cavity (4) is defined between the coil base (1121) and the inner wall of the upper housing (111). An electromagnetic induction coil (12) is provided in the coil protection cavity (4), and is tightly wound on an outer side of the coil base (1121). A first permanent magnet (131) is fixedly provided at the base portion of the movement cavity (3). A second permanent magnet (132) is provided in the movement cavity (3). Opposing surfaces of the second permanent magnet (132) and the first permanent magnet (131) have identical magnetic polarities. The second permanent magnet (132) is radially movable along the movement cavity (3), enabling the electromagnetic induction coil (12) to cut magnetic induction lines, thereby generating electrical energy, and powering the light emitting assembly (2) by means of a micro electrical energy collection and release module (14).

Description

A vibrating self-powered LED lamp

Technical field

The invention relates to the technical field of self-power generation, in particular to a vibrating self-powered LED lamp.

Background technique

With the improvement of living standards, all kinds of shoes are changing with each passing day. For safety and fun considerations, some businesses have installed lighting devices on their shoes, so that people can achieve lighting and warning effects without auxiliary lighting devices such as flashlights when walking at night. Currently, these lighting devices are generally powered by traditional batteries. Traditional disposable batteries have a short lifespan and need to be replaced constantly. Therefore, the lighting devices of shoes often run out of electricity during use, which leads to people's safety when walking at night cannot be guaranteed, and the waste batteries contain cadmium, lead, Mercury and other heavy metal substances that are harmful to the human body are very harmful to the environment.

In order to solve the aforementioned technical problems caused by the traditional battery powering the lighting device, vibratory power generation has been applied to the lighting device. In the prior art, there are mainly four types of devices that generate electricity through vibration: piezoelectric, electrostatic, electromagnetic, and giant magnetostrictive. On the market, electromagnetic power generation devices have complex structures, difficult to maintain, low efficiency due to friction, and high operating frequency bands that make it difficult to identify and drive light-emitting devices under low vibration conditions, so the application range is limited.

Summary of the invention

To solve the above-mentioned problems, the present invention provides a vibrating self-powered LED lamp.

In order to achieve the above objective, the technical solution adopted by the present invention is as follows: A vibrating self-powered LED lamp includes a power generating component and a light emitting component, the power generating component is connected to the light emitting component, and the power generating component includes a housing, an electromagnetic induction A coil, a permanent magnet, and a micro-electric energy collection and release module. The housing includes an upper housing and a lower housing that are connected to each other. The lower housing is provided with a coil seat, and the coil seat encloses a movable cavity and A coil protection cavity is formed between the inner wall of the upper casing and the electromagnetic induction coil is arranged in the coil protection cavity and tightly wound on the outside of the coil seat. The permanent magnet includes a first permanent magnet and a second permanent magnet. The first permanent magnet is arranged at the bottom of the movable cavity and fixed on the lower housing, the second permanent magnet is arranged in the movable cavity and the opposite surface of the first permanent magnet is the same magnetic surface, and the second permanent magnet The magnet can be displaced along the radial direction of the movable cavity, and the electromagnetic induction coil is connected with the light-emitting assembly through the micro-electric energy collection and release module.

Further, the upper shell and the lower shell are tightly connected to form a closed movable cavity and a closed coil protection cavity.

Further, the micro electric energy collection and release module is connected to the electromagnetic induction coil.

Further, the upper shell and the lower shell are connected by any method of ultrasonic welding, infrared welding, laser welding, high frequency welding, friction welding, and hot air welding.

Further, the light-emitting component is an integrated light-emitting component.

Further, the integrated light-emitting assembly is fixedly arranged in the coil protection cavity, and the upper housing is made of light-transmitting material.

Further, the integrated light-emitting assembly includes a flexible circuit board, and the flexible circuit board is connected to the micro-electric energy collection and release module.

Further, the integrated light-emitting assembly further includes a light-emitting module, and a plurality of the light-emitting modules are provided, and the light-emitting module is provided on the flexible circuit board.

Further, the light-emitting component is a wire-connected light-emitting component.

Further, the wire-connected light-emitting assembly includes a wire and a light-emitting module, one end of the wire is connected to the micro-electric energy collection and release module, and the other end extends out of the housing and is connected to the light-emitting module.

It can be seen from the above description of the present invention that, compared with the prior art, a vibrating self-powered LED lamp of the present invention is provided with a coil base on the lower housing, and the coil base encloses the movable cavity and is between the inner wall of the upper housing A coil protection cavity is formed, an electromagnetic induction coil is arranged in the coil protection cavity and the electromagnetic induction coil is tightly wound on the outside of the coil base, a first permanent magnet is arranged at the bottom of the movable cavity, and a second permanent magnet is arranged in the movable cavity and is connected to the first permanent magnet The opposite surface is the same magnetic surface, so that the second permanent magnet can be radially displaced in the movable cavity when it is vibrated, so that the electromagnetic induction coil has the effect of cutting magnetic lines of induction. The electromagnetic induction coil generates electricity and emits light through the micro-electricity collection and release module Component power supply. The device has a simple and compact structure and is maintenance-free. There is no friction between the second permanent magnet and the inner wall of the coil base, which reduces loss, and can generate electricity and drive the light-emitting assembly under the condition of small vibration, ensuring that the light-emitting device does not have power failure , To ensure the safety of people moving at night, and expand the scope of application.

Description of the drawings

Figure 1 is an exploded view of the first embodiment of the present invention;

2 is a schematic structural decomposition diagram of Embodiment 1 of the present invention;

FIG. 3 is a schematic diagram of the structural combination of Embodiment 1 of the present invention;

Fig. 4 is a schematic diagram of the structural combination of the second embodiment of the present invention.

detailed description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood in specific situations.

Example one

Referring to Figures 1 to 3, a vibrating self-powered LED lamp includes a power generating component 1, an integrated light emitting component 2, and the power generating component 1 is connected to the integrated light emitting component 2, and the power generating component 1 includes The housing 11, the electromagnetic induction coil 12, the permanent magnet 13, and the micro electric energy collection and release module 14. The housing 11 includes an upper housing 111 and a lower housing 112 that are relatively connected. The lower housing 112 is provided with a coil seat 1121, and the coil seat 1121 encloses the movable cavity 3 and the upper housing 111. A coil protection cavity 4 is formed between the inner walls, and the electromagnetic induction coil 12 is arranged in the coil protection cavity 4 and tightly wound outside the coil base 1121. The permanent magnet 13 includes a first permanent magnet 131 and a second permanent magnet 132. The first permanent magnet 131 is arranged at the bottom of the movable cavity 3 and fixed on the lower housing 112, and the second permanent magnet 132 is arranged In the movable cavity 3 and the opposite surface of the first permanent magnet 131 is the same magnetic surface, the second permanent magnet 132 can be displaced radially along the movable cavity 3, the electromagnetic induction coil 12 and the micro electric energy collection and release module 14Connect. The micro electric energy collection and release module 14 is connected to the electromagnetic induction coil 12 and is arranged at the bottom of the lower casing 112.

The upper shell 111 and the lower shell 112 are tightly connected by ultrasonic welding to form a closed movable cavity 3 and a closed coil protection cavity 4. The upper housing 111 is made of light-transmitting material.

The integrated light-emitting assembly 2 includes a flexible circuit board 21 and a light-emitting module 22, and the flexible circuit board 21 is connected to the micro-electric energy collection and release module 14. There are multiple light emitting modules 22, and the light emitting modules 22 are provided on the flexible circuit board 21 and located in the coil protection cavity 4.

When the vibrating self-powered LED lamp is vibrated, the second permanent magnet 132 is radially displaced in the movable cavity 3, so that the electromagnetic induction coil 12 has the effect of cutting the magnetic line of induction to generate electric energy, and is connected to the electromagnetic induction coil 12 The micro-electric energy collection and release module 14 performs rectification and release, conducts through the flexible circuit board 21, and supplies power to the light-emitting module 22. The light-emitting module 22 works, and the light can pass through the upper shell 111 made of light-transmitting material to form a light source.

Example two

Referring to Figure 4, a vibrating self-powered LED lamp includes a power generating component 1, a wire-connected light-emitting component 2, and the power-generating component 1 is connected to the wire-connected light-emitting component 2, and the power generating component 1 includes a housing Body 11, electromagnetic induction coil 12, permanent magnet 13, micro-electric energy collection and release module 14. The housing 11 includes an upper housing 111 and a lower housing 112 that are relatively connected. The lower housing 112 is provided with a coil seat 1121, and the coil seat 1121 encloses the movable cavity 3 and the upper housing 111. A coil protection cavity 4 is formed between the inner walls, and the electromagnetic induction coil 12 is arranged in the coil protection cavity 4 and tightly wound outside the coil base 1121. The permanent magnet 13 includes a first permanent magnet 131 and a second permanent magnet 132. The first permanent magnet 131 is arranged at the bottom of the movable cavity 3 and fixed on the lower housing 112, and the second permanent magnet 132 is arranged In the movable cavity 3 and the opposite surface of the first permanent magnet 131 is the same magnetic surface, the second permanent magnet 132 can be displaced radially along the movable cavity 3, the electromagnetic induction coil 12 and the micro electric energy collection and release module 14Connect. The micro electric energy collection and release module 14 is connected to the electromagnetic induction coil 12 and is arranged at the bottom of the lower casing 112.

The upper shell 111 and the lower shell 112 are tightly connected by infrared welding to form a closed movable cavity 3 and a closed coil protection cavity 4.

The wire-connected light-emitting assembly 2'includes a wire 21' and a light-emitting module 22'. One end of the wire 21' is connected to the micro-electric energy collection and release module 14, and the other end extends out of the housing and is connected to the light-emitting module 22' .

When the vibrating self-powered LED lamp is vibrated, the second permanent magnet 132 is radially displaced in the movable cavity 3, so that the electromagnetic induction coil 12 has the effect of cutting the magnetic line of induction to generate electric energy, and is connected to the electromagnetic induction coil 12 The micro-electric energy collection and release module 14 performs rectification and release, conducts conduction through the wire 21', and supplies power to the light-emitting module 22'.

It can be understood that the present invention is described through some embodiments, and those skilled in the art will know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teaching of the present invention, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application fall within the protection scope of the present invention.

Claims

A vibrating self-powered LED lamp includes a power generation component and a light-emitting component, and the power generation component is connected to the light-emitting component, and is characterized in that: the power generation component includes a housing, an electromagnetic induction coil, a permanent magnet, and a micro-electricity collection and release Module, the housing includes a relatively connected upper housing and a lower housing, the lower housing is provided with a coil base, the coil base encloses a movable cavity and is formed between the inner wall of the upper housing The coil protection cavity, the electromagnetic induction coil is arranged in the coil protection cavity and tightly wound on the outside of the coil base, the permanent magnet includes a first permanent magnet and a second permanent magnet, and the first permanent magnet is arranged in the movable The bottom of the cavity is fixed on the lower shell, the second permanent magnet is arranged in the movable cavity and the opposite surface of the first permanent magnet is the same magnetic surface, and the second permanent magnet can be displaced radially along the movable cavity, The electromagnetic induction coil is connected with the light-emitting assembly through the micro-electric energy collection and release module.
The vibrating self-powered LED lamp according to claim 1, wherein the upper shell and the lower shell are closely connected to form a closed movable cavity and a closed coil protection cavity.
The vibrating self-powered LED lamp according to claim 1, wherein the micro-electric energy collection and release module is connected to an electromagnetic induction coil.
A vibrating self-powered LED lamp according to claim 2, characterized in that: the upper shell and the lower shell are welded by ultrasonic welding, infrared welding, laser welding, high frequency welding, friction welding, hot air welding Any way to connect.
The vibrating self-powered LED lamp according to claim 1, wherein the light-emitting component is an integrated light-emitting component.
The vibrating self-powered LED lamp according to claim 5, wherein the integrated light-emitting assembly is fixedly arranged in the coil protection cavity, and the upper shell is made of light-transmitting material.
The vibrating self-powered LED lamp according to claim 6, wherein the integrated light-emitting component comprises a flexible circuit board, and the flexible circuit board is connected to the micro-electric energy collection and release module.
A vibrating self-powered LED lamp according to claim 6, characterized in that: the integrated light-emitting assembly further comprises a light-emitting module, the light-emitting module is provided with multiple, and the light-emitting module is arranged on the flexible Circuit board.
The vibrating self-powered LED lamp according to claim 1, wherein the light-emitting component is a wire-connected light-emitting component.
A vibrating self-powered LED lamp according to claim 9, wherein the wire-connected light-emitting assembly includes a wire and a light-emitting module, one end of the wire is connected to the micro-electric energy collection and release module, and the other end It extends out of the casing and is connected with the light-emitting module.