CN220605749U

CN220605749U - Self-generating device

Info

Publication number: CN220605749U
Application number: CN202122116774.9U
Authority: CN
Inventors: 罗楚昊
Original assignee: Shenzhen Junxin Micro Technology Co ltd
Current assignee: Shenzhen Junxin Micro Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2024-03-15
Anticipated expiration: 2031-09-02

Abstract

The utility model is applicable to the technical field of push type doorbell, and provides a self-generating device, which comprises: a housing; the button is arranged in the shell, penetrates through the side face of the shell and is connected in the shell in a sliding manner; a power generation unit provided in the housing for generating electric power when the button is pressed; the power generation unit includes: the coil is fixedly connected with the inner coil of the shell; a permanent magnet fixedly connected to one side of the coil away from the button; the iron sheet is movably connected to the iron sheet in the coil, the iron sheet is in contact connection with the permanent magnet so that the permanent magnet magnetizes the iron sheet, one end of the iron sheet, which is far away from the permanent magnet, is connected to the button so that the iron sheet is driven to swing in the permanent magnet when the button is pressed to change the magnetic flux on the coil; the utility model has the advantages of simple structure, easy realization and low manufacturing cost.

Description

Self-generating device

Technical Field

The utility model belongs to the technical field of push type doorbell, and particularly relates to a self-generating device.

Background

The existing doorbell adopts an electric bell, and generally needs a battery or external power supply, when the battery is not powered, the battery needs to be charged to meet the use requirement of the doorbell, so that the doorbell has the problem of inconvenient use.

In order to solve the problem of doorbell charging, at present, a self-generating technology is adopted in the prior art, for example, chinese patent with publication number of CN211127458U discloses a self-generating device, which comprises a bottom cover and an upper cover, wherein an iron core structure is arranged in the bottom cover, an installation groove is arranged in the middle position of the bottom cover, and grooves are formed in the front side and the rear side of one end of the bottom cover; the iron core structure comprises an iron core body, a coil is wound on the iron core body, a rotating shaft is arranged in the middle of the iron core body, the rotating shaft is arranged in a mounting groove of the bottom cover, a poking piece is arranged on one side of the iron core body, and the poking piece is positioned in a groove on the rear side; the upper end of the iron core structure is provided with an upper cover which is connected with the bottom cover; one side of the bottom cover is provided with a middle magnet, and the upper end of the middle magnet is provided with a spring piece. The self-generating device of this structure adopts electromagnetic induction principle, rotates in the middle magnet through the winding coil on the iron core body to produce spontaneous electric current, make mechanical energy convert into the electric energy, the bell work of electric energy supply doorbell. However, the modification device is complex in structure and high in manufacturing cost, and therefore the self-generating device is provided.

Disclosure of Invention

The utility model provides a self-generating device, which aims to solve the problem that the structure of the existing self-generating device is complex.

The present utility model is achieved by a self-generating device comprising:

a housing;

the button is arranged in the shell, penetrates through the side face of the shell and is connected in the shell in a sliding mode;

a power generation unit provided in the housing for generating electric power when the button is pressed;

the power generation unit includes:

the coil is fixedly connected with the inner coil of the shell;

a permanent magnet fixedly connected to one side of the coil away from the button;

the iron sheet is movably connected in the coil, the iron sheet is in contact connection with the permanent magnet so that the permanent magnet magnetizes the iron sheet, one end, far away from the permanent magnet, of the iron sheet is connected to the button so that the iron sheet is driven to swing in the permanent magnet when the button is pressed so as to change the magnetic flux on the coil.

Preferably, the housing comprises:

the first shell and the second shell are connected through a buckle, a guide hole is formed in the side face of the second shell, and the button is connected in the guide hole in a sliding mode; and a limiting component for limiting the button is arranged in the second shell so as to limit the sliding track of the button.

Preferably, the first housing and the second housing are both cylindrical, one end of each cylindrical is provided with an opening, a first buckle is arranged at the opening of the first housing, a second buckle is arranged at the opening of the second housing, and the guide Kong Kashe is arranged on the second buckle so as to connect the first housing and the second housing.

Preferably, the limiting assembly comprises:

the guide block is arranged in the guide hole;

the guide block is arranged in the guide groove and is in sliding connection with the guide block.

Preferably, the iron sheet is connected to the button through the elastic sheet, an elastic sheet hole penetrating through the button and provided with chamfers at two ends is formed in the button, one end of the elastic sheet is fixedly connected to the iron sheet, and one end of the elastic sheet, far away from the iron sheet, is arranged in the elastic sheet hole.

Preferably, the self-generating device further includes:

and the two ends of the return spring are respectively abutted in the second shell and the button to control the button to be in place in a non-pressing period.

Preferably, a spring clamping block is arranged at the bottom of the guide hole, a spring hole is arranged on the button, one end of the return spring is clamped on the spring clamping block, and one end of the return spring, which is far away from the spring clamping block, is arranged in the spring hole.

Preferably, the power generation unit further includes:

and the magnetic field enhancement block is arranged outside the coil and is contacted with the permanent magnet.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

according to the self-generating device, the movable iron sheet is arranged in the coil in the shell, the permanent magnet used for magnetizing the iron sheet is arranged at one end of the coil, and when the button is pressed, the button drives the iron sheet to move so as to change the magnetic flux in the coil, so that the purpose of generating electricity is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a self-generating device provided by the utility model;

FIG. 2 is an exploded view of a self-generating device according to the present utility model;

FIG. 3 is a full cross-sectional view of a self-generating device provided by the present utility model;

FIG. 4 is a schematic diagram of a power generation unit in a power generation device according to the present utility model;

FIG. 5 is a schematic diagram of the structure of a pressing block in the self-generating device provided by the utility model;

fig. 6 is a schematic structural diagram of a second housing in the self-generating device according to the present utility model.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the utility model provides a self-generating device, as shown in fig. 1-4, which comprises:

a housing;

a button 6 provided in the housing, the button 6 passing through a side surface of the housing and being slidably coupled in the housing;

a power generation unit provided in the housing for generating electric power when the button 6 is pressed;

the power generation unit includes:

the coil 3 is fixedly connected to the inner shell;

a permanent magnet 4 fixedly connected to a side of the coil 3 remote from the button 6;

the movable connection is connected with an iron sheet 5 in the coil 3, the iron sheet 5 is in contact connection with the permanent magnet 4 so that the permanent magnet 4 magnetizes the iron sheet 5, and one end, far away from the permanent magnet 4, of the iron sheet 5 is connected to the button 6 so that the button 6 drives the iron sheet 5 to swing in the permanent magnet 4 when pressed so as to change the magnetic flux on the coil 3;

in this embodiment, the permanent magnet 4 magnetizes the iron sheet 5 located in the coil 3 so that a magnetic field is generated around the iron sheet 5, when the button 6 is pressed, the iron sheet 5 is bent under the pressing of the button 6, and when the iron sheet 5 is bent, the magnetic field generated by the iron sheet 5 changes, that is, the direction of the magnetic field of the iron sheet 5 changes, and when the direction of the magnetic field generated by the iron sheet 5 changes due to the inconvenience of the position of the coil 3, the magnetic flux in the coil 3 changes so that a current is generated in the coil 3, thereby generating electricity;

in some examples, the coil 3 is fixedly connected in the housing through a coil frame, the coil frame is installed in the housing through a mounting groove positioned in the housing, the coil frame is cylindrical, two ends of the coil frame are provided with openings, the iron sheet 5 is a strip-shaped iron sheet, and the width of the iron sheet 5 is smaller than the width of the inner wall of the coil frame, so that the iron sheet 5 can move in the coil frame, and when the button 6 is pressed, the button 6 can drive the iron sheet 5 to swing;

when the iron piece 5 swings, the iron piece 5 swings with a point of contact with the permanent magnet 4 as a circle point, that is, the iron piece 5 always contacts with the permanent magnet 4, so as to prevent the magnetization effect of the iron piece 5 from disappearing.

In a further preferred embodiment of the present utility model, as shown in fig. 3, 5 and 6, the housing comprises:

the first shell 1 and the second shell 2 are connected through a buckle, a guide hole 21 is formed in the side face of the second shell 2, and the button 6 is connected in the guide hole 21 in a sliding mode; a limiting component for limiting the button 6 is arranged in the second housing 2 so as to limit the sliding track of the button 6;

in this embodiment, the first casing 1 and the second casing 2 are both cylindrical, one end of each cylindrical is provided with an opening, a first buckle 11 is disposed at the opening of the first casing 1, a second buckle 24 is disposed at the opening of the second casing 2, and the guide hole 21 is clamped on the second buckle 24 to connect the first casing 1 and the second casing 2;

in this embodiment, the button 6 is a square block, and the limiting assembly includes:

a guide block 22 provided in the guide hole 21;

a guide groove 62 provided on the button 6, wherein the guide block 22 is provided in the guide groove 62 and the guide block 22 is slidably connected with the guide groove 62;

when the button 6 is pressed, the guide block 22 slides in the guide groove 62, and as shown in fig. 5 and 6, the guide groove 62 is a square groove, the guide block 22 is a square block, and when the button 6 slides in the second housing 2, the guide block 22 can play a role in limiting the button 6.

In a further preferred embodiment of the present utility model, the iron sheet 5 is connected to the button 6 through the elastic sheet 7, the button 6 is provided with an elastic sheet hole 61 penetrating the button 6 and having chamfer angles at two ends, one end of the elastic sheet 7 is fixedly connected to the iron sheet 5, and one end of the elastic sheet 7 far away from the iron sheet 5 is disposed in the elastic sheet hole 61;

in this embodiment, when the button 6 is pressed, the button 6 presses the iron sheet 5 through the elastic sheet 7, and the elastic sheet 7 slides in the 61, and since the two ends of the 61 are provided with chamfers, the elastic sheet 7 will not bend when the button 6 is pressed the elastic sheet 7, so as to prevent the elastic sheet 7 from permanently deforming to affect the movement of the iron sheet 5.

In a further preferred embodiment of the present utility model, the self-generating device further includes:

a return spring arranged in the guide hole 21, wherein two ends of the return spring are respectively abutted in the second housing 2 and the button 6 to control the button 6 to be in place in a non-pressing period;

in this embodiment, the bottom of the guiding hole 21 is provided with a spring clamping block 23, the button 6 is provided with a spring hole 63, one end of the return spring is clamped on the spring clamping block 23, and one end of the return spring, which is far away from the spring clamping block 23, is arranged in the spring hole 63, when the button 6 is pressed, the return spring is compressed, and when the button 6 is released, the return spring rebounds to push the button 6 to restore to the original position.

In a further preferred embodiment of the present utility model, the power generation unit further comprises:

the magnetic field enhancement block 8 is arranged outside the coil 3, and the magnetic field enhancement block 8 is in contact with the permanent magnet 4 and is used for expanding the magnetic field influence range of the permanent magnet 4 so as to enhance the magnetization effect on the iron sheet 5;

in this embodiment, the magnetic field enhancing block 8 is a square frame, the magnetic field enhancing block 8 is clamped on the coil frame on the coil 3, one end of the magnetic field enhancing block 8 is in contact with the permanent magnet 4, and when the magnetic field enhancing block 8 is in contact with the permanent magnet 4, the magnetic field enhancing block 8 can generate a magnetic field with the same magnetism as that of the permanent magnet 4, so that the magnetic field of the permanent magnet 4 can surround the iron sheet 5, and the magnetization effect of the iron sheet 5 is increased.

In summary, the present utility model provides a self-generating device, including:

a housing;

a button 6 provided in the first housing 1, the button 6 passing through a side surface of the first housing 1 and being slidably coupled in the first housing 1;

a power generation unit provided in the first housing 1 for generating electric power when the button 6 is pressed;

the power generation unit includes:

a coil 3 fixedly connected to the inside of the first housing 1;

according to the utility model, the movable iron sheet 5 is arranged in the coil 3 in the shell, and the permanent magnet 4 for magnetizing the iron sheet 5 is arranged at one end of the coil 3, so that when the button 6 is pressed, the button 6 drives the iron sheet 5 to move so as to change the magnetic flux in the coil 3, and the purpose of generating electricity is achieved.

It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims

1. A self-generating device, comprising:

a housing;

the power generation unit includes:

a coil fixedly connected within the housing;

2. A self-generating device according to claim 1, wherein said housing comprises:

3. The self-generating device according to claim 2, wherein the first housing and the second housing are each in a cylindrical shape with an opening at one end, a first buckle is provided at the opening of the first housing, a second buckle is provided at the opening of the second housing, and the guide Kong Kashe is provided on the second buckle to connect the first housing and the second housing.

4. A self-generating device according to claim 2, wherein said spacing assembly comprises:

the guide block is arranged in the guide hole;

5. The self-generating device of claim 2, wherein the self-generating device further comprises:

6. The self-generating device according to claim 5, wherein a spring clamping block is arranged at the bottom of the guide hole, a spring hole is arranged on the button, one end of the return spring is clamped on the spring clamping block, and one end of the return spring, which is far away from the spring clamping block, is arranged in the spring hole.

7. The self-generating device of claim 1, wherein the power generation unit further comprises: