CN117614226A - Double-magnet self-generating device with compact structure and wireless switch - Google Patents

Abstract

The invention relates to the technical field of switches, in particular to a double-magnet self-generating device with a compact structure and a wireless switch, which comprises a coil support, a connecting magnetic plate, a soft magnetic plate and a coil, wherein the soft magnetic plate is rotatably installed; the second permanent magnet is provided with a second magnetic conduction plate, the second magnetic conduction plate is bent towards the soft magnetic plate to form a second bending part, and the side surface of the second bending part facing the second side of the soft magnetic plate is a second contact part; the first contact portion and the second contact portion are opposite in magnetic polarity. The self-generating device has a simple structure and small occupied space, so that the switch manufactured by the self-generating device has small size and compact structure.

Description

Double-magnet self-generating device with compact structure and wireless switch

Technical Field

The invention relates to the technical field of switches, in particular to a double-magnet self-generating device with a compact structure and a wireless switch.

Background

With the continuous development of electronic technology, wireless technology plays an increasingly important role in intellectualization, wireless switches for controlling household appliances by using wireless technology are currently appeared, and the existing wireless switches can be divided into battery type wireless switches and self-generating type wireless switches, and the use of the wireless switches is greatly convenient for daily life of people.

However, the existing wireless switch still has some problems, in which, the battery type wireless switch needs to be provided with a rechargeable battery, and the battery needs to be taken out and charged frequently because the switch is in a wireless connection state, so that a user often forgets to charge, and misjudgment of power failure is caused when the switch is used, and the use is inconvenient.

Comparative document 1: the application number is: the invention patent of CN201611267608.6 discloses a power generation device which comprises a magnetic conduction assembly, an induction assembly and a magnetic assembly. The magnetic conduction assembly comprises a first magnetic conduction piece and a second magnetic conduction piece, the first magnetic conduction piece comprises a first side wall and a second side wall, and the second magnetic conduction piece comprises a third side wall and a fourth side wall. The induction assembly includes a magnetic core including a contact portion. The magnetic component comprises a magnet, a first magnetic conduction sheet and a second magnetic conduction sheet. When the magnetic component moves to the first position, the free end of the first magnetic conduction sheet is opposite to and close to the free ends of the first side wall and the third side wall, and the free end of the second magnetic conduction sheet is in contact with the contact part. When the magnetic component moves to the second position, the free end of the second magnetic conduction sheet is opposite to and close to the free ends of the second side wall and the fourth side wall, and the free end of the first magnetic conduction sheet is in contact with the contact part.

In the reference 1, the magnet is disposed at one end of the coil, so that the whole device has a thicker thickness, occupies a larger space, and is inconvenient for integrated processing.

Comparison document 2: the utility model provides a patent of CN202110156438.9 discloses a side double-magnet self-generating device and wireless switch, self-generating device includes coil support, connection magnetic plate and soft magnetic plate, around being equipped with the coil on the coil support, run through in the coil support and set up connection magnetic plate, the first end of connecting the magnetic plate is connected with first magnetic plate, the second end of connecting the magnetic plate is connected with the second magnetic plate, first magnetic plate extends along the width direction of connecting the magnetic plate, be formed with first contact opening, the second magnetic plate extends along the width direction of connecting the magnetic plate, be formed with the second contact opening, soft magnetic plate forms first closed magnetic circuit and second closed magnetic circuit respectively under initial state and after pressing, the magnetic induction line direction through connecting the magnetic plate is opposite through the magnetic induction line direction of connecting the magnetic plate in the second closed magnetic circuit in first closed magnetic circuit.

In the comparison document 2, although the size of the whole self-generating device in the thickness is reduced, the occupied size of the side edge of the coil is more, so that the whole size of the whole self-generating device is still larger, and the integration treatment is not facilitated.

Based on this, the application provides a compact structure's two magnet from power generation facility and wireless switch for solve above-mentioned problem.

Disclosure of Invention

The invention provides a self-generating device and a wireless switch, which are simple in structure, small in occupied space and convenient for integrated processing, and the technical problem that the self-generating device occupies large space and is inconvenient for integrated processing in the prior art is solved.

The technical scheme of the invention is as follows:

a compact dual magnet self-generating device comprising: a compact dual magnet self-generating device comprising:

a soft magnetic plate configured to be rotatably mounted;

the coil support is arranged around the soft magnetic plate, and a coil is wound on the coil support;

the connecting magnetic plate is connected with a first permanent magnet and a second permanent magnet;

the first permanent magnet is connected with a first magnetic conduction plate, the first magnetic conduction plate is bent towards the soft magnetic plate to form a first bending part, the first bending part is positioned on the first side of the soft magnetic plate, and a first contact part is formed on the side face of the first bending part facing the first side of the soft magnetic plate;

A second permanent magnet; the second permanent magnet is connected with a second magnetic conduction plate, the second magnetic conduction plate is bent towards the soft magnetic plate to form a second bending part, the second bending part is positioned at the second side of the soft magnetic plate, and a second contact part is formed on the side surface of the second bending part facing the second side of the soft magnetic plate;

the magnetic poles of the first contact part and the second contact part are opposite;

in an initial state, two ends of the soft magnetic plate form a first closed magnetic circuit through the first magnetic conduction plate, the first permanent magnet and the connecting magnetic plate, when the soft magnetic plate rotates, two ends of the soft magnetic plate form a second closed magnetic circuit through the second magnetic conduction plate, the second permanent magnet and the connecting magnetic plate, and the direction of a magnetic induction line passing through the soft magnetic plate in the first closed magnetic circuit is opposite to the direction of a magnetic induction line passing through the soft magnetic plate in the second closed magnetic circuit.

Preferably, the connecting magnetic plate is provided with an avoiding opening for accommodating the soft magnetic plate,

preferably, the middle part of the soft magnetic plate is configured as a rotation fulcrum, a first end of the soft magnetic plate passes through an end of the coil to form an operation end, and a second end of the soft magnetic plate is formed as a free end; the free end of the soft magnetic plate passes through a part of the avoidance port.

Preferably, the first permanent magnet and the second permanent magnet are respectively arranged at two sides perpendicular to the width direction of the soft magnetic plate;

the first magnetic conduction plate comprises a first bending part and a first connecting part, the first connecting part comprises a first fixing plate and a first bending plate, the fixing plate of the first connecting part is connected with the first permanent magnet, the first fixing plate of the first connecting part is perpendicular to the first bending plate and faces the second permanent magnet, the first bending plate extends along the length direction of the soft magnetic plate to protrude out of the coil, the first bending plate extends and then bends towards the direction of the soft magnetic plate to form the first bending part, and the first bending part faces the first end of the soft magnetic plate to form the first contact part;

the second magnetic conduction plate comprises a second connecting part and a second bending part, the second connecting part comprises a second fixing plate and a second bending plate, the fixing plate of the second connecting part is connected with the second permanent magnet, the second bending plate of the second connecting part is perpendicular to the second fixing plate and faces the second permanent magnet, the second bending plate extends to protrude out of the coil along the length direction of the soft magnetic plate, the second bending plate extends and then bends towards the direction of the soft magnetic plate to form the second bending part, and the second bending part faces the second end of the soft magnetic plate to form the second contact part.

Preferably, the first permanent magnet and the second permanent magnet are respectively disposed at two sides parallel to the width direction of the soft magnetic plate; the magnetic plate comprises a third connecting plate and a third bending plate, the avoidance opening is formed in the third connecting plate, the third connecting plate is perpendicular to the third bending plate, the first permanent magnet is connected with the first end of the third bending plate, and the second permanent magnet is connected with the second end of the third bending plate;

the first magnetic conduction plate comprises a first bending part and a first connecting part, the first connecting part is connected with the first permanent magnet, the first connecting part is positioned at one end of the first permanent magnet along the width direction of the soft magnetic plate, a first abdication groove is formed at one end of the first connecting part, which is close to the first permanent magnet, a part of the first permanent magnet is positioned in the first abdication groove, the first connecting part extends along the length direction of the soft magnetic plate to protrude out of the coil, the bending plate extends and then bends towards the direction of the soft magnetic plate to form the first bending part, and the first bending part faces the first end of the soft magnetic plate to form the first contact part;

The second magnetic conduction plate comprises a second bending part and a second connecting part, the second connecting part is connected with the second permanent magnet, the second connecting part is positioned at one end of the second permanent magnet along the width direction of the soft magnetic plate, a second abdication groove is formed at one end of the second connecting part, which is close to the second permanent magnet, a part of the second permanent magnet is positioned in the second abdication groove, the second connecting part extends along the length direction of the soft magnetic plate to protrude out of the coil, the bending plate extends and then bends towards the direction of the soft magnetic plate to form the second bending part, and the second bending part faces the second end of the soft magnetic plate to form the second contact part;

the second permanent magnet, the first connecting portion and the second connecting portion are all spaced from the third connecting plate.

Preferably, the first permanent magnet and the second permanent magnet are respectively disposed at two sides parallel to the width direction of the soft magnetic plate;

the first magnetic conduction plate comprises a first bending part and a first connecting part, the first connecting part is connected with the first permanent magnet, the first connecting part extends along the length direction of the soft magnetic plate to protrude out of the coil, the bending plate extends and then bends towards the direction of the soft magnetic plate to form the first bending part, and the first bending part faces the first end of the soft magnetic plate to form the first contact part;

The second magnetic conduction plate comprises a second bending part and a second connecting part, the second connecting part is connected with the first permanent magnet, the second connecting part extends to protrude out of the coil along the length direction of the soft magnetic plate, the bending plate extends and bends towards the direction of the soft magnetic plate to form the second bending part, and the second bending part faces the second end of the soft magnetic plate to form the second contact part.

Preferably, the first permanent magnet and the second permanent magnet are respectively disposed at two sides parallel to the width direction of the soft magnetic plate;

the connecting magnetic plate is arranged on one side perpendicular to the width direction of the soft magnetic plate, the first permanent magnet is connected with the first end of the connecting magnetic plate, and the second permanent magnet is connected with the second end of the connecting magnetic plate;

the first magnetic conduction plate comprises a first bending part, a first connecting part and a third bending part, wherein the first connecting part is connected with the first permanent magnet, the first connecting part is positioned at one end of the first permanent magnet which is parallel to the width direction of the soft magnetic plate, a third yielding groove is formed at one end of the first connecting part, which is close to the first permanent magnet, a part of the first permanent magnet is positioned in the third yielding groove, the first connecting part extends to protrude out of the coil along the length direction of the soft magnetic plate, the first bending part and the third bending part are formed by bending towards the direction of the soft magnetic plate after the bending plate extends, the first bending part and the third bending part are respectively positioned at two ends of the first connecting part along the length direction of the soft magnetic plate, the first bending part faces the first end of the soft magnetic plate to form the first contact part, and the third bending part faces the first end of the soft magnetic plate to form the third contact part;

The second magnetic conduction plate include second kink, second connecting portion and fourth kink, second connecting portion with the second permanent magnet link to each other, second connecting portion be located the second permanent magnet follow the parallel one end of soft magnetic plate width direction, second connecting portion be close to the one end of second permanent magnet be provided with the fourth groove of stepping down, a part of second permanent magnet be located the fourth groove of stepping down, second connecting portion follow the length direction extension of soft magnetic plate is outstanding the coil, the kink is followed to the direction bending of soft magnetic plate forms second kink and third kink, second kink and fourth kink be located respectively on the second connecting portion follow the both ends of the length direction of soft magnetic plate, the second kink face the first end of soft magnetic plate forms the second contact portion, the fourth kink face the first end of soft magnetic plate forms the fourth contact portion of soft magnetic plate.

Preferably, the operation end is connected with a buffer piece, and the elastic component is a spring piece.

The wireless switch comprises a radio frequency control board, a switch for controlling electric equipment and the double-magnet self-generating device with a compact structure, wherein a coil of the self-generating device is electrically connected with the radio frequency control board.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:

(1) According to the self-generating device, the first permanent magnet and the second permanent magnet are arranged on the periphery of the coil support, the soft magnetic plate is arranged inside the coil, the size of the whole device in the length direction of the coil support is reduced, in actual use, the size of the whole self-generating device in the thickness direction is reduced, integrated processing is facilitated, and the space on the periphery of the coil support in the switch can be fully utilized, so that the whole size of the switch is small and the structure is compact.

(2) According to the self-generating device, the first permanent magnet and the second permanent magnet are arranged on the periphery of the coil support, so that the size of the self-generating device in the width direction is reduced, the whole self-generating device is more exquisite, and the integration treatment is further facilitated.

Drawings

Fig. 1 is a block diagram of a power generation apparatus according to a first embodiment of the present invention;

FIG. 2 is an exploded view of a self-generating device according to a first embodiment of the present invention;

FIG. 3 is a cross-sectional view of a power generating device according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a self-generating device according to a second embodiment of the present invention;

FIG. 5 is an exploded view of a self-generating device according to a second embodiment of the present invention

Fig. 6 is a structural diagram of a self-generating device according to a third embodiment of the present invention;

fig. 7 is a structural exploded view of a self-generating device according to a third embodiment of the present invention;

fig. 8 is a structural diagram of the self-generating device according to the third embodiment of the present invention after the first soft magnetic plate is removed;

fig. 9 is a schematic structural diagram of a self-generating device according to a fourth embodiment of the present invention;

fig. 10 is a structural exploded view of a self-generating device according to a fourth embodiment of the present invention;

fig. 11 is a schematic structural diagram of a third contact portion and a fourth contact portion of a self-generating device according to a fourth embodiment of the present invention.

1, a coil bracket; 2. a coil; 3. a soft magnetic plate;

4. a first magnetic conductive plate; 41. a first bending part; 411. a first contact portion; 42. a first connection portion; 421. a first fixing plate; 422. a first bending plate; 43. a third bending part; 431. a third contact portion;

5. a second magnetic conductive plate; 51. a second bending part; 511. a second contact portion; 52. a second connecting portion; 521. a second fixing plate; 522. a second bending plate; 53. a fourth bending part; 531. a fourth contact portion;

6. connecting a magnetic plate; 61. an avoidance port; 62. a third connecting plate; 63. a third bending plate;

7. a first permanent magnet; 8. a second permanent magnet; 9. a supporting part.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

Embodiment one:

as shown in fig. 1-3, the embodiment discloses a double-magnet self-generating device with a compact structure, which comprises a coil bracket (1), a coil (2), a soft magnetic plate (3), a first magnetic conduction plate (4), a second magnetic conduction plate (5), a connecting magnetic plate (6), a first permanent magnet (7) and a second permanent magnet (8). Wherein the soft magnetic plate (3) is configured to be rotatably mounted, in particular, the middle part of the soft magnetic plate coil support (1) is configured as a rotation fulcrum, a first end of the soft magnetic plate (3) protrudes out of the end part of the coil (2) and forms an operation end, the operation end is provided with an elastic component, preferably, the elastic component is a spring sheet, the lower end of the spring sheet is connected with a spring, the spring is fixedly mounted on the fixed plate, and a second end of the soft magnetic plate (3) is formed into a free end; the coil support (1) is arranged around the soft magnetic plate (3), and the coil (2) is wound on the coil support (1); the connecting magnetic plate (6) is provided with an avoiding opening (61) for accommodating the soft magnetic plate (3), and preferably, the second end of the soft magnetic plate (3) penetrates through the avoiding opening (61); the connecting magnetic plate (6) is connected with a first permanent magnet (7) and a second permanent magnet (8), and specifically, the first permanent magnet (7) and the second permanent magnet (8) are respectively arranged at two sides parallel to the width edge of the soft magnetic plate (3); the first permanent magnet (7) is connected with a first magnetic conduction plate (4), preferably, the first magnetic conduction plate (4) comprises a first bending part (41) and a first connecting part (42), the first connecting part (42) is connected with the first permanent magnet (7), the first connecting part (42) extends to protrude out of the coil (2) along the length direction of the soft magnetic plate (3), the bending plate extends and then bends towards the direction of the soft magnetic plate (3) to form a first bending part (41), and the first bending part (41) faces to the first end of the soft magnetic plate (3) to form a first contact part (411); the second permanent magnet (8) is connected with a second magnetic conduction plate (5), further, the second magnetic conduction plate (5) comprises a second bending part (51) and a second connecting part (52), the second connecting part (52) is connected with the second permanent magnet (8), the second connecting part (52) extends to protrude out of the coil (2) along the length direction of the soft magnetic plate (3), the bending plate extends and then bends towards the direction of the soft magnetic plate (3) to form a second bending part (51), and the second bending part (51) faces the second end of the soft magnetic plate (3) to form a second contact part (511); the magnetic poles of the first contact part (411) and the second contact part (511) are opposite, preferably, one end of the first permanent magnet (7) connected with the first magnetic conduction plate (4) is an N pole, and one end of the first permanent magnet (7) connected with the connecting magnetic plate (6) is an S pole; one end of the second permanent magnet (8) connected with the second magnetic conduction plate (5) is an S pole, and one end of the second permanent magnet (8) connected with the connecting magnetic plate (6) is an N pole; of course, in terms of magnetic pole selection, one end of the first permanent magnet (7) connected with the first magnetic conduction plate (4) can be selected as an S pole, and one end of the first permanent magnet (7) connected with the connecting magnetic plate (6) can be selected as an N pole; one end of the second permanent magnet (8) connected with the second magnetic conduction plate (5) is an N pole, and one end of the second permanent magnet (8) connected with the connecting magnetic plate (6) is an S pole; in an initial state, two ends of the soft magnetic plate (3) form a first closed magnetic circuit through the first magnetic conduction plate (4), the first permanent magnet (7) and the connecting magnetic plate (6), when the soft magnetic plate (3) rotates, two ends of the soft magnetic plate (3) form a second closed magnetic circuit through the second magnetic conduction plate (5), the second permanent magnet (8) and the connecting magnetic plate (6), and the direction of a magnetic induction line passing through the soft magnetic plate (3) in the first closed magnetic circuit is opposite to that passing through the soft magnetic plate (3) in the second closed magnetic circuit.

It should be noted that, the specific connection manner is not limited herein, as long as the connection of the magnetic plate (6), the first permanent magnet (7), the first magnetic conduction plate (4) and the soft magnetic plate (3) can be realized; and the magnetic conduction between the connecting magnetic plate (6), the second magnetic conduction plate (5), the second permanent magnet (8) and the soft magnetic plate (3).

As one embodiment of the invention, the coil support (1) is configured to be fixedly installed, a soft magnetic plate (3) is penetrated in the coil support (1), a winding groove is arranged outside the coil support (1), and the coil (2) is wound in the winding groove; two connecting plates (11) are symmetrically arranged at the center of the inner wall of the coil support (1), and the two connecting plates (11) support the soft magnetic plate (3) so that the soft magnetic plate (3) can rotate around the connecting plates (11).

The embodiment of the invention discloses a specific working principle of a self-generating device:

the N pole is arranged at one end of the first permanent magnet (7) connected with the first magnetic conduction plate (4), and the S pole is arranged at one end of the first permanent magnet (7) connected with the connecting magnetic plate (6); the second permanent magnet (8) is connected with the second magnetic conduction plate (5) and has an S pole, and the second permanent magnet (8) connected with the connecting magnetic plate (6) has an N pole.

In an initial state, the free end of the second end of the soft magnetic plate (3) is contacted with the first contact part (411), and the first end of the soft magnetic plate (3) is contacted with the connecting magnetic plate (6) to form a first closed magnetic circuit of the first permanent magnet (7) -the first magnetic conduction plate (4) -the soft magnetic plate (3) -the connecting magnetic plate (6). When the shell fragment of the first end operation end of soft magnetic plate (3) is pressed, the shell fragment is crooked for soft magnetic plate (3) rotate relative permanent magnet, and the second end free end of soft magnetic plate (3) breaks away from with first contact (411), contacts with second contact (511), realizes magnetic force and switches on, then the both ends of soft magnetic plate (3) constitute the second closed magnetic circuit through connecting magnetic plate (6) and second magnetic conduction board (5), and the magnet wire flow direction of second closed magnetic circuit specifically is: the second permanent magnet (8) -connecting magnetic plate (6) -soft magnetic plate (3) -second magnetic conduction plate (5). The magnetic field direction in the soft magnetic plate (3) is changed by 180 degrees, the magnetic flux in the coil is changed, and then induced voltage is generated, so that primary power generation is completed. When the soft magnetic plate (3) returns to the initial state through the elastic restoring force of the spring, the free end of the second end of the (31) is disconnected from the second contact part (511) and is conducted with the first contact part (411), the magnetic field direction is changed again by 180 degrees, and the power generation can be completed once again, so that the cycle reciprocation can realize continuous power generation.

Embodiment two:

the second embodiment is basically the same as the first embodiment, referring to fig. 4 and 5, the first permanent magnet (7) and the second permanent magnet (8) are respectively disposed on two sides perpendicular to the width edge of the soft magnetic plate (3); the first magnetic conduction plate (4) comprises a first bending part (41) and a first connecting part (42), the first connecting part (42) comprises a fixed plate and a bending plate, the fixed plate of the first connecting part (42) is connected with the first permanent magnet (7), the bending plate of the first connecting part (42) is perpendicular to the fixed plate and faces the second permanent magnet (8), the bending plate extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the bending plate extends and then bends towards the direction of the soft magnetic plate (3) to form the first bending part (41), and the first bending part (41) faces the first end of the soft magnetic plate (3) to form a first contact part (411); the second magnetic conduction plate (5) comprises a second connecting part (52) and a second bending part (51), the second connecting part (52) comprises a fixed plate and a bending plate, the fixed plate of the second connecting part (52) is connected with the second permanent magnet (8), the bending plate of the second connecting part (52) is perpendicular to the fixed plate and faces the second permanent magnet (8), the bending plate extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the bending plate extends and then bends towards the direction of the soft magnetic plate (3) to form the second bending part (51), and the second bending part (51) faces the second end of the soft magnetic plate (3) to form a second contact part (511); the first contact part (411) and the second contact part (511) have opposite magnetic poles.

The specific working principle is as follows:

the working principle of the second embodiment is basically the same as that of the first embodiment, and will not be described here again.

Embodiment III:

the third embodiment is basically the same as the first embodiment, and referring to fig. 6 and 8, the first permanent magnet (7) and the second permanent magnet (8) are respectively disposed on two sides parallel to the width direction of the soft magnetic plate (3); the connecting magnetic plate (6) comprises a third connecting plate (62) and a third bending plate (63), the avoiding opening (61) is formed in the third connecting plate (62), the third connecting plate (62) is perpendicular to the third bending plate (63), the first permanent magnet (7) is connected with the first end of the third bending plate (63), and the second permanent magnet (8) is connected with the second end of the third bending plate (63); the first magnetic conduction plate (4) comprises a first bending part (41) and a first connecting part (42), the first connecting part (42) is connected with the first permanent magnet (7), the first connecting part (42) is positioned at one end of the first permanent magnet (7) along the width direction of the soft magnetic plate (3), a first yielding groove is formed at one end, close to the first permanent magnet (7), of the first connecting part (42), one part of the first permanent magnet (7) is positioned in the first yielding groove, the first connecting part (42) extends to protrude out of the coil (2) along the length direction of the soft magnetic plate (3), the first bending part (41) is formed by bending the first connecting part (42) towards the direction of the soft magnetic plate (3), and the first bending part (41) faces the first end of the soft magnetic plate (3) to form the first contact part (411); the second magnetic conduction plate (5) comprises a second bending part (51) and a second connecting part (52), the second connecting part (52) is connected with the second permanent magnet (8), the second connecting part (52) is positioned at one end of the second permanent magnet (8) along the width direction of the soft magnetic plate (3), a second abdication groove is formed in one end, close to the second permanent magnet (8), of the second connecting part (52), and one part of the second permanent magnet (8) is positioned in the second abdication groove; preferably, one end of the first permanent magnet (7) positioned in the first abdicating groove is an N pole, and one end of the first permanent magnet (7) connected with the connecting magnetic plate (6) is an S pole; one end of the second permanent magnet (8) positioned in the second abdicating groove is an S pole, and one end of the second permanent magnet (8) connected with the connecting magnetic plate (6) is an N pole; of course, the following selections may also be made: one end of the first permanent magnet (7) positioned in the first abdicating groove is an S pole, and one end of the first permanent magnet (7) connected with the connecting magnetic plate (6) is an N pole; one end of the second permanent magnet (8) positioned in the second abdicating groove is an N pole, and one end of the second permanent magnet (8) connected with the connecting magnetic plate (6) is an S pole; the second connecting part (52) extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the bending plate extends and is bent towards the direction of the soft magnetic plate (3) to form a second bending part (51), and the second bending part (51) faces the second end of the soft magnetic plate (3) to form the second contact part (511); the second permanent magnet 8, the first permanent magnet 7, the first connecting portion 42, and the second connecting portion 52 are spaced from the third connecting plate 62.

The specific working principle is as follows:

the working principle of the third embodiment is basically the same as that of the first embodiment, and will not be described here again.

Embodiment four:

the fourth embodiment is basically the same as the first embodiment, and referring to fig. 9 and 11, the first permanent magnet (7) and the second permanent magnet (8) are respectively disposed on two sides parallel to the width direction of the soft magnetic plate (3);

the connecting magnetic plate (6) is arranged on one side perpendicular to the width direction of the soft magnetic plate (3), the first permanent magnet (7) is connected with the first end of the connecting magnetic plate (6), and the second permanent magnet (8) is connected with the second end of the connecting magnetic plate (6);

the first magnetic conduction plate (4) comprises a first bent part (41), a first connecting part (42) and a third bent part (43), the first connecting part (42) is connected with the first permanent magnet (7), the first connecting part (42) is positioned at one end of the first permanent magnet (7) which is parallel to the width direction of the soft magnetic plate (3), a third yielding groove is formed at one end of the first connecting part (42) which is close to the first permanent magnet (7), a first part of the first permanent magnet (7) is positioned in the third yielding groove, the first connecting part (42) extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the first bent part (41) and the third bent part (43) are formed by bending towards the direction of the soft magnetic plate (3), the first end (43) of the first connecting part (42) is positioned at the first end of the first connecting part (431) which faces the first end (411) of the soft magnetic plate (3), and the first end (43) is formed by bending towards the first end of the soft magnetic plate (3) which faces the first end (43); the second magnetic conduction plate (5) comprises a second bending part (51), a second connecting part (52) and a fourth bending part (53), the second connecting part (52) is connected with the second permanent magnet (8), the second connecting part (52) is positioned at one end of the second permanent magnet (8) which is parallel to the width direction of the soft magnetic plate (3), a fourth abdicating groove is formed at one end, close to the second permanent magnet (8), of the second connecting part (52), and one part of the second permanent magnet (8) is positioned in the fourth abdicating groove; one end of the first permanent magnet (7) positioned in the third abdicating groove is an N pole, and one end of the first permanent magnet (7) connected with the connecting magnetic plate (6) is an S pole; one end of the second permanent magnet (8) positioned in the fourth abdicating groove is an S pole, and one end of the second permanent magnet (8) connected with the connecting magnetic plate (6) is an N pole; of course, the following selections may also be made: one end of the first permanent magnet (7) positioned in the third abdicating groove is an S pole, and one end of the first permanent magnet (7) connected with the connecting magnetic plate (6) is an N pole; one end of the second permanent magnet (8) positioned in the fourth abdicating groove is an N pole, and one end of the second permanent magnet (8) connected with the connecting magnetic plate (6) is an S pole; the second connecting portion (52) extends along the length direction of the soft magnetic plate (3) and protrudes out of the coil (2), the bending plate extends and bends towards the direction of the soft magnetic plate (3) to form a second bending portion (51) and a third bending portion (43), the second bending portion (51) and a fourth bending portion (53) are respectively located at two ends of the second connecting portion (52) along the length direction of the soft magnetic plate (3), the second bending portion (51) faces the first end of the soft magnetic plate (3) to form a second contact portion (511), and the fourth bending portion (53) faces the first end of the soft magnetic plate (3) to form a fourth contact portion (531).

The specific working principle is as follows:

the working principle of the fourth embodiment is basically the same as that of the first embodiment, and will not be described here again.

Example five

The invention further discloses a wireless switch, which comprises a radio frequency control board, a switch for controlling electric equipment and the self-generating device, wherein a coil of the self-generating device is electrically connected with the radio frequency control board.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (9)

1. A compact dual magnet self-generating device comprising:

a soft magnetic plate (3), the soft magnetic plate (3) being configured to be rotatably mounted;

the coil support (1) is arranged around the soft magnetic plate (3), and a coil (2) is wound on the coil support (1);

the connecting magnetic plate (6), wherein the connecting magnetic plate (6) is connected with a first permanent magnet (7) and a second permanent magnet (8);

The first permanent magnet (7), connect with the first magnetic conduction board (4) on the said first permanent magnet (7), the said first magnetic conduction board (4) is bent and formed the first bending part (41) to the soft magnetic board (3), the said first bending part (41) locates at the first side of the said soft magnetic board (3), the side of the first bending part (41) facing the first side of the soft magnetic board (3) forms the first contact part (411);

a second permanent magnet (8); the second permanent magnet (8) is connected with a second magnetic conduction plate (5), the second magnetic conduction plate (5) is bent towards the soft magnetic plate (3) to form a second bending part (51), the second bending part (51) is positioned on the second side of the soft magnetic plate (3), and a second contact part (511) is formed on the side surface of the second bending part (51) facing the second side of the soft magnetic plate (3);

the first contact part (411) and the second contact part (511) have opposite magnetic poles;

in an initial state, two ends of the soft magnetic plate (3) form a first closed magnetic circuit through the first magnetic conduction plate (4), the first permanent magnet (7) and the connecting magnetic plate (6), when the soft magnetic plate (3) rotates, two ends of the soft magnetic plate (3) form a second closed magnetic circuit through the second magnetic conduction plate (5), the second permanent magnet (8) and the connecting magnetic plate (6), and the direction of a magnetic induction line passing through the soft magnetic plate (3) in the first closed magnetic circuit is opposite to that passing through the soft magnetic plate (3) in the second closed magnetic circuit.

2. The double-magnet self-generating device with compact structure according to claim 1, wherein the connecting magnetic plate (6) is provided with a avoiding opening (61) for accommodating the soft magnetic plate (3).

3. A compact dual-magnet self-generating device according to claim 2, characterized in that the middle part of the soft magnetic plate (3) is configured as a pivot, the first end of the soft magnetic plate (3) passes through the end of the coil (2) to form an operating end, and the second end of the soft magnetic plate (3) is formed as a free end; the free end of the soft magnetic plate (3) passes through a part of the avoidance port (61).

4. A compact dual-magnet self-generating device according to claim 3, wherein said first permanent magnet (7) and said second permanent magnet (8) are disposed on both sides perpendicular to the width direction of said soft magnetic plate (3), respectively;

the first magnetic conduction plate (4) comprises a first bending part (41) and a first connecting part (42), the first connecting part (42) comprises a first fixed plate (421) and a first bending plate (422), the fixed plate of the first connecting part (42) is connected with the first permanent magnet (7), the first fixed plate (421) of the first connecting part (42) is perpendicular to the first bending plate (422) and faces the second permanent magnet (8), the first bending plate (422) extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the first bending plate (422) bends towards the direction of the soft magnetic plate (3) after extending to form the first bending part (41), and the first bending part (41) faces the first end of the soft magnetic plate (3) to form the first contact part (411);

The second magnetic conduction plate (5) include second connecting portion (52) and second kink (51), second connecting portion (52) include second fixed plate (521) and second bending plate (522), the fixed plate of second connecting portion (52) with second permanent magnet (8) link to each other, second bending plate (522) of second connecting portion (52) with second fixed plate (521) perpendicular and towards second permanent magnet (8), second bending plate (522) are followed the length direction extension of soft magnetic plate (3) is outstanding coil (2), second bending plate (522) are extended back to the direction bending of soft magnetic plate (3) forms second kink (51), second bending plate (51) face the second end of soft magnetic plate (3) forms second contact portion (511).

5. A compact dual-magnet self-generating device according to claim 3, wherein said first permanent magnet (7) and said second permanent magnet (8) are disposed on both sides parallel to the width direction of said soft magnetic plate (3), respectively; the connecting magnetic plate (6) comprises a third connecting plate (62) and a third bending plate (63), the avoiding opening (61) is formed in the third connecting plate (62), the third connecting plate (62) is perpendicular to the third bending plate (63), the first permanent magnet (7) is connected with the first end of the third bending plate (63), and the second permanent magnet (8) is connected with the second end of the third bending plate (63);

The first magnetic conduction plate (4) comprises a first bending part (41) and a first connecting part (42), the first connecting part (42) is connected with the first permanent magnet (7), the first connecting part (42) is positioned at one end of the first permanent magnet (7) along the width direction of the soft magnetic plate (3), a first yielding groove is formed at one end, close to the first permanent magnet (7), of the first connecting part (42), one part of the first permanent magnet (7) is positioned in the first yielding groove, the first connecting part (42) extends to protrude out of the coil (2) along the length direction of the soft magnetic plate (3), the first bending part (41) is formed by bending the first connecting part (42) towards the direction of the soft magnetic plate (3), and the first bending part (41) faces the first end of the soft magnetic plate (3) to form the first contact part (411);

the second magnetic conduction plate (5) comprises a second bending part (51) and a second connecting part (52), the second connecting part (52) is connected with the second permanent magnet (8), the second connecting part (52) is positioned at one end of the second permanent magnet (8) along the width direction of the soft magnetic plate (3), a second yielding groove is formed at one end, close to the second permanent magnet (8), of the second connecting part (52), a part of the second permanent magnet (8) is positioned in the second yielding groove, the second connecting part (52) extends to protrude out of the coil (2) along the length direction of the soft magnetic plate (3), the second bending part (51) is formed by bending the bending plate towards the direction of the soft magnetic plate (3), and the second bending part (51) faces the second end of the soft magnetic plate (3) to form the second contact part (511);

The second permanent magnet (8), the first permanent magnet (7), the first connecting portion (42) and the second connecting portion (52) are all spaced from the third connecting plate (62).

6. A compact dual-magnet self-generating device according to claim 3, wherein said first permanent magnet (7) and said second permanent magnet (8) are disposed on both sides parallel to the width direction of said soft magnetic plate (3), respectively;

the first magnetic conduction plate (4) comprises a first bending part (41) and a first connecting part (42), the first connecting part (42) is connected with the first permanent magnet (7), the first connecting part (42) extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the bending plate extends and is bent towards the direction of the soft magnetic plate (3) to form the first bending part (41), and the first bending part (41) faces to the first end of the soft magnetic plate (3) to form the first contact part (411);

the second magnetic conduction plate (5) comprises a second bending part (51) and a second connecting part (52), the second connecting part (52) is connected with the first permanent magnet (7), the second connecting part (52) extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the bending plate extends to bend towards the direction of the soft magnetic plate (3) to form the second bending part (51), and the second bending part (51) faces the second end of the soft magnetic plate (3) to form the second contact part (511).

7. The double-magnet self-generating device with compact structure according to claim 1, wherein the first permanent magnet (7) and the second permanent magnet (8) are respectively arranged at two sides parallel to the width direction of the soft magnetic plate (3);

the connecting magnetic plate (6) is arranged on one side perpendicular to the width direction of the soft magnetic plate (3), the first permanent magnet (7) is connected with the first end of the connecting magnetic plate (6), and the second permanent magnet (8) is connected with the second end of the connecting magnetic plate (6);

the first magnetic conduction plate (4) comprises a first bent part (41), a first connecting part (42) and a third bent part (43), the first connecting part (42) is connected with the first permanent magnet (7), the first connecting part (42) is positioned at one end of the first permanent magnet (7) which is parallel to the width direction of the soft magnetic plate (3), a third yielding groove is formed at one end of the first connecting part (42) which is close to the first permanent magnet (7), a first part of the first permanent magnet (7) is positioned in the third yielding groove, the first connecting part (42) extends along the length direction of the soft magnetic plate (3) to protrude out of the coil (2), the first bent part (41) and the third bent part (43) are formed by bending towards the direction of the soft magnetic plate (3), the first end (43) of the first connecting part (42) is positioned at the first end of the first connecting part (431) which faces the first end (411) of the soft magnetic plate (3), and the first end (43) is formed by bending towards the first end of the soft magnetic plate (3) which faces the first end (43);

The second magnetic conduction plate (5) include second kink (51), second connecting portion (52) and fourth kink (53), second connecting portion (52) with second permanent magnet (8) link to each other, second connecting portion (52) be located second permanent magnet (8) follow soft magnetic plate (3) width direction parallel one end, second connecting portion (52) be close to second permanent magnet (8) one end be provided with the fourth groove of stepping down, second permanent magnet (8) first part be located fourth groove of stepping down, second connecting portion (52) follow the length direction extension of soft magnetic plate (3) outstanding coil (2), the direction bending of soft magnetic plate (3) back to form second kink (51) and third kink (43), second kink (51) and fourth kink (53) be located second permanent magnet (8) one end respectively the second end (53) face the second end (53) of soft magnetic plate (3) are formed soft magnetic plate (53) the second end face the second end (511) is located second kink (3).

8. A compact dual-magnet self-generating device according to claim 3, wherein said operating end is connected with a buffer member, and said elastic member is a spring.

9. The wireless switch is characterized by comprising a radio frequency control board, a switch for controlling electric equipment and the double-magnet self-generating device with a compact structure, wherein the coil (2) of the self-generating device is electrically connected with the radio frequency control board.