CN112803707B - A self-generating device and wireless switch with stacked double magnets toggle type - Google Patents

Abstract

The present invention relates to the technical field of switches, in particular to a stacked double magnet toggle type self-generating device and a wireless switch. The self-generating device includes a coil support, a first magnetic conducting plate, a second magnetic conducting plate and a soft magnetic plate assembly. A coil is wound on the coil support, and an intermediate magnetic plate is provided through the coil support. The first end of the intermediate magnetic plate is connected to the first magnetic conductive plate, and the second end of the intermediate magnetic plate is connected to the second magnetic conductive plate. The magnetic conductive plate extends along the width direction of the middle magnetic plate to form a contact port, the second magnetic conductive plate extends along the width direction of the middle magnetic plate, and the soft magnetic plate forms the first closed magnetic circuit and the second closed magnetic circuit respectively in the initial state and after pressing. In the closed magnetic circuit, the direction of the magnetic induction line passing through the middle magnetic plate in the first closed magnetic circuit is opposite to the direction of the magnetic induction line passing through the middle magnetic plate in the second closed magnetic circuit. The self-generating device of the invention has a simple structure and takes up little space, so that the switch made by using the device has a small size and a compact structure.

Description

A self-generating device and wireless switch with stacked double magnets toggle type

technical field

The invention relates to the technical field of switches, in particular to a stacked double magnet toggle type self-generating device and a wireless switch.

Background technique

With the continuous development of electronic technology, wireless technology is playing an increasingly important role in intelligence. At present, there are wireless switches that use wireless technology to control household appliances. The existing wireless switches can be divided into battery-type wireless switches and Self-generating wireless switches, the use of these wireless switches greatly facilitates people's daily life.

However, there are still some problems in the existing wireless switches. Among them, the battery-type wireless switch needs to install a rechargeable battery. Since the switch is in a wireless connection state, the battery needs to be taken out to charge frequently. Users often forget to charge, which leads to misjudgment when using Power failure is inconvenient to use, and the self-generating device in the existing self-generating wireless switch occupies a large space, which is not convenient for integrated processing.

Contents of the invention

In order to solve the technical problem that the self-generating device occupies a large space in the prior art and is not convenient for integrated processing, the present invention proposes a stacked double-magnet toggle type self-generating device and a wireless switch, which have a simple structure and occupy a small space, and are convenient Integrated processing.

Technical scheme of the present invention:

A toggle type self-generating device with stacked double magnets, comprising:

A coil support, a coil is wound on the coil support, and an intermediate magnetic plate is provided through the coil support;

An intermediate magnetic plate, the first end of the intermediate magnetic plate is connected to a first magnetically conductive plate, and the second end of the intermediate magnetic plate is connected to a second magnetically conductive plate;

a first magnetically conductive plate, the first magnetically conductive plate extends along the width direction of the middle magnetic plate, and forms a contact port;

a second magnetically conductive plate, the second magnetically conductive plate extends along the width direction of the middle magnetic plate, and is the same as the extending direction of the first magnetically conductive plate;

A soft magnetic board assembly, the soft magnetic board assembly includes a soft magnetic board, a first permanent magnet, a second permanent magnet, a first connecting magnetic board and a second connecting magnetic board, the first end of the soft magnetic board is on the The first permanent magnet and the second permanent magnet are respectively fixed on the upper and lower sides of the second end of the soft magnetic plate, and the first connecting magnetic plate and the second permanent magnet are respectively fixed on the first permanent magnet and the second permanent magnet. Two connecting magnetic plates, the soft magnetic plate assembly is arranged on the side of the coil support and is configured to be movable;

In the initial state, the first end of the soft magnetic plate assembly is in contact with the upper end of the contact port, and at the same time, the second end is in contact with the second magnetic conductive plate to form a first closed magnetic circuit. When the soft magnetic plate After the movement, the first end of the soft magnetic plate assembly is in contact with the lower end of the contact port, and at the same time, the second end is in contact with the second magnetic conductive plate to form a second closed magnetic circuit, and the first closed magnetic circuit The direction of the magnetic field lines passing through the middle magnetic plate is opposite to the direction of the magnetic field lines passing through the middle magnetic plate in the second closed magnetic circuit.

Further, the second magnetic conductive plate is integrally formed with the middle magnetic plate.

Furthermore, the self-generating device further includes a fixed plate, and an elastic component is arranged on the fixed plate. In the initial state, the soft magnetic plate component is simultaneously connected to the contact port and the second The magnetic conductive plates are in contact to form a first closed magnetic circuit.

Further, the elastic assembly includes a fixed shaft and a torsion spring arranged at the bottom of the soft magnetic plate assembly, the fixed shaft is configured to be fixedly installed, the torsion spring is sleeved on the fixed shaft, the The soft magnetic plate is provided with a rotating shaft and the soft magnetic plate can rotate around the rotating shaft. In the initial state, the torsion spring presses the soft magnetic plate so that the soft magnetic plate assembly is simultaneously connected with the contact port and the second Magnetic plate contact.

Further, the middle part of the soft magnetic plate is configured as a fulcrum for rotation, the first end of the soft magnetic plate is formed as an operating end, the second end is formed as a free end, and a buffer is provided on the operating end.

Further, the elastic assembly includes two turrets, a fixed shaft and a torsion spring arranged at the bottom of the soft magnetic plate assembly, the fixed shaft is configured for fixed installation, and the torsion spring is sleeved on the fixed On the shaft, the soft magnetic plate assembly is arranged between the two turrets, one end of the two turrets is provided with a rotating shaft and the turrets can rotate around the shafts, the two turrets The other ends are both fixedly connected to the soft magnetic board assembly. In an initial state, the torsion spring presses against the soft magnetic board so that the soft magnetic board assembly is in contact with the contact port and the second magnetically conductive board at the same time.

Further, the elastic assembly includes a spring, and the spring is arranged between the soft magnetic plate assembly and the fixing plate.

Further, the self-generating device further includes a plurality of limit plates, which are respectively arranged around the soft magnetic plate assembly to limit the displacement of the soft magnetic plate assembly in the front, rear, left, and right directions. .

Another aspect of the present invention provides a wireless switch, including any one of the self-generating devices described above.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

(1) The present invention arranges the soft magnetic plate assembly on the side of the coil support by extending the first magnetic guide plate and the second magnetic guide plate, which reduces the size of the whole device in the length direction of the coil support and facilitates integrated processing. The self-generating device of the embodiment can make full use of the space on the side of the coil support inside the switch, so that the overall size of the switch is small and the structure is compact.

(2) The present invention arranges the soft magnetic plate assembly on the side of the coil support, and the side space of the coil support is relatively large, and the soft magnetic plate is not inside the coil support and will not be blocked by the coil support. The soft magnetic plate assembly not only Push-type yaw movement at both ends of the middle fulcrum can be realized, and middle push-type spring contact movement can also be realized, so that the self-generating device of this embodiment can be applied to various push-type switches.

Description of drawings

Fig. 1 is the structural explosion diagram of self-generating device in the prior art;

Fig. 2 is a schematic cross-sectional view of a self-generating device in the prior art;

3 is a schematic structural view of the self-generating device (without soft magnetic board assembly) of Embodiment 1;

Fig. 4 is the exploded view of the structure of the self-generating device (without soft magnetic plate assembly) of embodiment one;

Fig. 5 is a schematic structural diagram of the self-generating device of Embodiment 1 under a first viewing angle;

Fig. 6 is a schematic structural diagram of the self-generating device of Embodiment 1 under a second viewing angle;

FIG. 7 is a schematic structural view of the self-generating device of Embodiment 2;

Fig. 8 is an exploded view of the structure of the self-generating device of the second embodiment under the first viewing angle;

Figure 9 is an exploded view of the structure of the self-generating device of Embodiment 2 under a second viewing angle

Fig. 10 is a schematic structural view of the self-generating device of the third embodiment;

Fig. 11 is a schematic diagram of the position of the spring in the third embodiment.

in,

Coil support 11', coil 12', soft magnetic plate 161', first permanent magnet 162', second permanent magnet 163', magnetic permeable frame 18';

Coil bracket 11, coil 12, middle magnetic plate 13, first magnetic plate 14, contact port 141, second magnetic plate 15, soft magnetic plate assembly 16, soft magnetic plate 161, buffer 1611, rotating shaft 1612, first Permanent magnet 162, second permanent magnet 163, first connecting magnetic plate 164, second connecting magnetic plate 165, fixed plate 17, first fixed part 171, second fixed part 172, fixed shaft 173, torsion spring 174, turret 175, spring 176, spacer cover 177, spacer plate 178.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

The relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as illustrative only, and not as limiting. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. In the absence of a contrary description, these orientation words do not indicate or imply the device or element referred to. It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the protection scope of the present invention; the orientation words "inner and outer" refer to the inner and outer relative to the outline of each component itself.

For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations”. Thus, the exemplary term "above" can encompass both an orientation of "above" and "beneath". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. To limit the protection scope of the present invention.

Embodiment one:

As shown in Figure 1-2, the self-generating device in the prior art includes a coil support 11', a coil 12', a soft magnetic plate 161', a magnetic frame 18', a first permanent magnet 162' and a second permanent magnet 163 ', the coil support 11' is wound with a coil 12', the soft magnetic plate 161' is rotatably installed in the coil support 11', and the upper and lower sides of one end of the coil support 11' are respectively provided with the magnetic frame 18' fixed The first permanent magnet 162' and the second permanent magnet 163', in the initial state, as shown in Figure 2, the soft magnetic plate 161' is in contact with the second permanent magnet 163' and the magnetic frame 18' at the same time, forming a permanent magnet formed by the second permanent magnet. Magnet 163'-soft magnetic plate 161'-magnetic frame 18'-the first closed magnetic circuit of the second permanent magnet 163', after pressing the right end of the soft magnetic plate 161', the soft magnetic plate 161' is simultaneously connected with the first permanent magnet The magnet 162' is in contact with the magnetic frame 18' to form a second closed magnetic circuit consisting of the first permanent magnet 162'-magnetic frame 18'-soft magnetic plate 161'-first permanent magnet 162', the first closed magnetic circuit The direction of the magnetic induction lines passing through the soft magnetic plate 161 ′ is opposite to the direction of the magnetic induction lines passing through the soft magnetic plate 161 ′ in the second closed magnetic circuit. In this way, a current is induced in the coil 12', and the current can be used to drive the radio frequency circuit board to realize wireless switch control. However, in this self-generating device, the first permanent magnet 162' and the second permanent magnet 163' are arranged at one end of the coil support 11', so that the length of the entire coil support 11' is increased and takes up a larger space in the length direction. This makes the overall size of the manufactured switch larger; and whether it is applied to a square switch or a circular switch, the remaining space inside the switch will be wasted.

As shown in Figures 3-6, the stacked double magnet toggle type self-generating device of this embodiment includes a coil support 11, a middle magnetic plate 13, a first magnetic conductive plate 14, a second magnetic conductive plate 15 and a soft magnetic plate assembly 16. A coil 12 is wound on the coil support 11, and an intermediate magnetic plate 13 is provided through the coil support 11. The first end of the intermediate magnetic plate 13 is connected to the first magnetic conductive plate 14, and the second end of the intermediate magnetic plate 13 is connected to the The connection method of the second magnetic conductive plate 15 is not limited here, as long as the middle magnetic plate 13 can contact the first magnetic conductive plate 14 and the second magnetic conductive plate 15 for magnetic conduction. Wherein, the first magnetically conductive plate 14 extends along the width direction of the middle magnetic plate 13, and is formed with a contact opening 141, and the second magnetically conductive plate 15 also extends along the width direction of the middle magnetic plate 13, and is connected with the first magnetically conductive plate 14. The direction of extension is the same. Preferably, as shown in FIG. 4 , the second magnetic plate 15 and the middle magnetic plate 13 are integrally formed, so that the whole is formed into an L shape, which can be inserted from the right end of the coil support 11 and then connected to the first magnetic plate 14 . Further, the soft magnetic plate assembly 16 includes a soft magnetic plate 161, a first permanent magnet 162, a second permanent magnet 163, a first connecting magnetic plate 164 and a second connecting magnetic plate 165, the first end of the soft magnetic plate 161 is in contact with The upper and lower sides of the second end of the soft magnetic plate 161 are respectively fixed with a first permanent magnet 162 and a second permanent magnet 163, and a first connecting magnetic plate 164 is fixed above the first permanent magnet 162, and a second permanent magnet 163 A second connecting magnetic plate 165 is fixed downward.

Further, the entire soft magnetic plate assembly 16 is arranged on the side of the coil support 11 and is configured to be movably installed, and can perform rotational movement, and in other embodiments can also perform spring contact movement, and is connected to the first coil through the soft magnetic plate assembly 16. The contact opening 141 of the first magnetically conductive plate 14 and the second magnetically conductive plate 15 can form a closed magnetic circuit. Specifically, as shown in Figures 5-6, in the initial state, the first end of the soft magnetic plate assembly 16 is in contact with the upper end of the contact port 141, while the second end is in contact with the second magnetic conductive plate 15, forming a first closed magnetic circuit , when the soft magnetic plate 161 moves, the first end of the soft magnetic plate assembly 16 contacts the lower end of the contact opening 141, and at the same time the second end contacts the second magnetic conductive plate 15 to form a second closed magnetic circuit, and the first closed magnetic circuit The direction of the magnetic field lines passing through the middle magnetic plate 13 in the circuit is opposite to the direction of the magnetic field lines passing through the middle magnetic plate 13 in the second closed magnetic circuit.

In this way, the self-generating device of this embodiment, by extending the first magnetically conductive plate 14 and the second magnetically conductive plate 15, the soft magnetic plate assembly 16 is arranged on the side of the coil support 11, reducing the length of the entire device on the coil support 11 The size of the direction is convenient for integrated processing. Since the switch is generally square or circular rather than strip-shaped, the self-generating device of this embodiment can make full use of the space on the side of the coil support 11 in the switch, so that the overall size of the switch is small and the structure compact. In addition, since the soft magnetic plate assembly 16 is arranged on the side of the coil support 11, the space on the side of the coil support 11 is larger, and the soft magnetic plate 161 is not inside the coil support 11, and will not be blocked by the coil support 11. The magnetic plate assembly 16 can not only realize the push-type yaw movement at both ends of the middle fulcrum, but also realize the middle push-type spring contact movement, so that the self-generating device of this embodiment can be applied to various push-type switches.

Further, the self-generating device of this embodiment also includes a fixed plate 17, on which an elastic component is arranged. In the initial state, the soft magnetic plate component 16 is simultaneously connected to the contact port 141 and the second magnetically conductive plate under the action of the elastic component. The plates 15 are in contact to form a first closed magnetic circuit. Specifically, the fixed plate 17 is arranged at the bottom of the soft magnetic plate assembly 16, and the fixed first fixed portion 171 and the second fixed portion 172 are also provided on the fixed plate 17. The fixed shaft 173 and the torsion spring 174, wherein the fixed shaft 173 is fixed with the first fixed part 171 and the second fixed part 172, the torsion spring 174 is sleeved on the fixed shaft 173, the middle part of the soft magnetic plate 161 is provided with a rotating shaft 1612 and The soft magnetic plate 161 can rotate around the rotating shaft 1612 , and the rotating shaft 1612 and the soft magnetic plate 161 are optionally but not limited to integrally formed.

In the initial state, the torsion spring 174 presses against the first end of the soft magnetic plate 161 so that the soft magnetic plate assembly 16 contacts the contact opening 141 and the second magnetic conductive plate 15 at the same time. Specifically, the upper part of the first permanent magnet 162 is set as an N pole, and the lower part is set as an S pole, and the upper part of the second permanent magnet 163 is set as an N pole, and the lower part is set as an S pole. In the initial state, the torsion spring 174 presses against the first end of the soft magnetic plate 161 so that the soft magnetic plate 161 is in contact with the upper end of the contact port 141 of the first magnetic conductive plate 14, and the first connecting magnet on the top of the first permanent magnet 162 simultaneously The plate 164 is in contact with the second magnetic plate 15 to form the first permanent magnet 162-the first connecting magnetic plate 164-the second magnetic plate 15, the middle magnetic plate 13-the first magnetic plate 14-the soft magnetic plate 161-the first The first closed magnetic circuit of a permanent magnet 162; After the first end of the soft magnetic plate 161 was pressed, the soft magnetic plate 161 rotated and contacted with the lower end of the contact port 141 of the first magnetic conductive plate 14, and the second permanent magnet 163 The second connecting magnetic plate 165 below is in contact with the second magnetically conductive plate 15, forming the second permanent magnet 163-soft magnetic plate 161-first magnetically conductive plate 14-middle magnetic plate 13, second magnetically conductive plate 15-second A second closed magnetic circuit connecting the magnetic plate 165 - the second permanent magnet 163 . It can be seen that the direction of the magnetic induction lines passing through the middle magnetic plate 13 in the first closed magnetic circuit is opposite to the direction of the magnetic induction lines passing through the middle magnetic plate 13 in the second closed magnetic circuit, and a current is induced in the coil 12, which can give the radio frequency circuit board Wait for the power supply. Of course, the top of the first permanent magnet 162 can also be set as the S pole, and the bottom is the N pole. The top of the second permanent magnet 163 is set as the S pole, and the bottom is the N pole. The direction of the magnetic induction line at 13 is opposite to the direction of the magnetic induction line passing through the middle magnetic plate 13 in the second closed magnetic circuit.

Preferably, the middle part of the soft magnetic plate 161 is configured as a fulcrum for rotation, the first end of the soft magnetic plate 161 is formed as the operating end, that is, the pressing end, and the second end is formed as a free end, and a buffer member 1611 is provided on the operating end. Part 1611 is a T-shaped metal shrapnel, which can store energy when pressing on the one hand, and improve the feel when pressing on the other hand.

It can be seen from the above that the self-generating device provided by this embodiment has a simple structure and takes up little space. The switch made by using the self-generating device is small in size and compact in structure. switch.

Embodiment two:

As shown in Figures 7-9, this embodiment provides a self-generating device. The difference from the self-generating device in Embodiment 1 is that the structure of the soft magnetic plate 161 and the elastic component are different. The elastic component of this embodiment includes two The turret 175 and the fixed shaft 173 and the torsion spring 174 arranged at the bottom of the soft magnetic plate assembly 16, the soft magnetic plate assembly 16 is arranged between the two turrets 175, and one end of the two turrets 175 is provided with a rotating shaft 1612 And the two turrets 175 can rotate around the rotating shaft 1612, and the other ends of the two turrets 175 are fixedly connected to the soft magnetic plate assembly 16, specifically, the first end of the soft magnetic plate assembly 16 is the first end of the soft magnetic plate 161. One end is fixed to one of the turrets 175 , and the second end of the soft magnetic plate assembly 16 , that is, the first connecting magnetic plate 164 and the second connecting magnetic plate 165 is fixed to the other turret 175 . Further, the fixed shaft 173 is configured to be fixedly installed, fixed to the first fixed part 171 and the second fixed part 172 on the fixed plate 17, and the torsion spring 174 is sleeved on the fixed shaft 173. In the initial state, the torsion spring 174 pushes Tighten the middle of the soft magnetic plate 161 so that the soft magnetic plate assembly 16 contacts the contact opening 141 and the second magnetic conductive plate 15 at the same time.

In this embodiment, the upper part of the first permanent magnet 162 is set as an N pole, and the lower part is set as an S pole, and the upper part of the second permanent magnet 163 is set as an N pole, and the lower part is set as an S pole. In the initial state, the torsion spring 174 presses against the middle of the soft magnetic plate 161 so that the first end of the soft magnetic plate 161 is in contact with the upper end of the contact port 141 of the first magnetic conductive plate 14, and the second permanent magnet 163 below the second Connecting magnetic plate 165 is in contact with second magnetic conducting plate 15 to form second permanent magnet 163-soft magnetic plate 161-first magnetic conducting plate 14-intermediate magnetic plate 13, second magnetic conducting plate 15-second connecting magnetic plate 165 - the first closed magnetic circuit of the second permanent magnet 163; after the middle part of the soft magnetic plate 161 is pressed, the soft magnetic plate 161 moves downward to contact with the lower end of the contact port 141 of the first magnetic conductive plate 14, and the first permanent magnet The first connecting magnetic plate 164 above the magnet 162 is in contact with the second magnetic conducting plate 15, forming the first permanent magnet 162-the first connecting magnetic plate 164-the second magnetic conducting plate 15, the middle magnetic plate 13-the first magnetic conducting plate 14—soft magnetic plate 161—the second closed magnetic circuit of the first permanent magnet 162 . Because the direction of the magnetic field lines passing through the middle magnetic plate 13 in the first closed magnetic circuit is opposite to the direction of the magnetic field lines passing through the middle magnetic plate 13 in the second closed magnetic circuit, a current is induced in the coil 12, which can give the radio frequency circuit board Wait for the power supply.

The self-generating device of this embodiment is not only applicable to a toggle switch with both ends of the push type, but also a middle push type switch such as a push button switch by setting the middle part of the soft magnetic plate 161 as a pressing part.

Embodiment three:

As shown in Figures 10-11, this embodiment provides a self-generating device. The difference from the self-generating device in Embodiment 1 is that the structure of the soft magnetic plate 161 and the elastic component are different. The elastic component of this embodiment includes a spring 176 , the spring 176 is disposed between the soft magnetic plate assembly 16 and the fixed plate 17 . Specifically, the bottom of the soft magnetic plate 161, the bottom of the second connecting magnetic plate 165 and the top of the fixed plate 17 are all provided with a limit sleeve 177, and a spring 176 is placed in the limit sleeve 177, so that by pressing the middle of the soft magnetic plate 161 , the closed magnetic circuit can be switched.

In this embodiment, the upper part of the first permanent magnet 162 is set as an N pole, and the lower part is set as an S pole, and the upper part of the second permanent magnet 163 is set as an N pole, and the lower part is set as an S pole. In the initial state, the spring 176 presses against the soft magnetic plate assembly 16 so that the first end of the soft magnetic plate 161 is in contact with the upper end of the contact port 141 of the first magnetic conductive plate 14, and the second connecting magnet below the second permanent magnet 163 The plate 165 is in contact with the second magnetic plate 15 to form the second permanent magnet 163-soft magnetic plate 161-the first magnetic plate 14-the middle magnetic plate 13, the second magnetic plate 15-the second connecting magnetic plate 165-the second The first closed magnetic circuit of the two permanent magnets 163; after the middle part of the soft magnetic plate 161 is pressed, the soft magnetic plate 161 moves downward to contact with the lower end of the contact port 141 of the first magnetic conductive plate 14, and the first permanent magnet 162 The first connecting magnetic plate 164 above is in contact with the second magnetic conducting plate 15, forming the first permanent magnet 162-the first connecting magnetic plate 164-the second magnetic conducting plate 15, the middle magnetic plate 13-the first magnetic conducting plate 14- The soft magnetic plate 161 is the second closed magnetic circuit of the first permanent magnet 162 . Because the direction of the magnetic field lines passing through the middle magnetic plate 13 in the first closed magnetic circuit is opposite to the direction of the magnetic field lines passing through the middle magnetic plate 13 in the second closed magnetic circuit, a current is induced in the coil 12, which can give the radio frequency circuit board Wait for the power supply.

Preferably, there are two springs 176 in this embodiment, which are respectively arranged under the soft magnetic plate 161 and the second connecting magnetic plate 165 to ensure that the soft magnetic plate 161 moves up and down smoothly.

Further, the self-generating device of this embodiment also includes a plurality of limiting plates 178, which are respectively arranged around the soft magnetic plate assembly 16 to limit the displacement of the soft magnetic plate assembly 16 in the front, rear, left, and right directions. . Specifically, as shown in Figure 10, two limit plates 178 are provided at both ends of the soft magnetic plate 161 to limit the displacement of the soft magnetic plate 161 in the left and right directions, that is, in the length direction. A limiting plate 178 is used to limit the displacement of the soft magnetic plate 161 in the front and rear directions, that is, in the width direction, so that the smooth movement of the soft magnetic plate 161 can be further ensured. It should be noted that, for the convenience of installation, each limiting plate 178 and the fixing plate 17 are detachably installed.

In the self-generating device of this embodiment, the middle part of the soft magnetic plate 161 is set as a pressing part, so that the soft magnetic plate 161 performs a bouncing movement, which is not only suitable for a toggle switch of the push type at both ends, but also suitable for a push type switch in the middle. Switches such as push-button switches.

Embodiment four:

This embodiment provides a wireless switch, including the self-generating device of any one of the above embodiments.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (9)

1. A stacked double magnet toggle type self-generating device, characterized in that it comprises: A coil support (11), a coil (12) is wound on the coil support (11), and an intermediate magnetic plate (13) is provided through the coil support (11); Middle magnetic plate (13), the first end of described middle magnetic plate (13) is connected with first magnetic conduction plate (14), and the second end of described middle magnetic plate (13) is connected with second magnetic conduction plate ( 15); A first magnetically conductive plate (14), the first magnetically conductive plate (14) extending along the width direction of the middle magnetic plate (13), forming a contact port (141); A second magnetically conductive plate (15), the second magnetically conductive plate (15) extending along the width direction of the middle magnetic plate (13), and extending in the same direction as the first magnetically conductive plate (14); A soft magnetic plate assembly (16), the soft magnetic plate assembly (16) comprising a soft magnetic plate (161), a first permanent magnet (162), a second permanent magnet (163), a first connecting magnetic plate (164) and The second connecting magnetic plate (165), the first end of the soft magnetic plate (161) moves in the contact port (141), and the upper and lower sides of the second end of the soft magnetic plate (161) are respectively fixed with the second A permanent magnet (162) and a second permanent magnet (163), the first permanent magnet (162) and the second permanent magnet (163) are respectively fixed with a first connecting magnetic plate (164) and a second connecting magnetic plate (165), the soft magnetic plate assembly (16) is configured on the side of the coil support (11) and is configured to be movable; In the initial state, the first end of the soft magnetic plate assembly (16) is in contact with the upper end of the contact opening (141), and at the same time the second end is in contact with the second magnetic conductive plate (15), forming a first closed Magnetic circuit, when the soft magnetic plate (161) moves, the first end of the soft magnetic plate assembly (16) contacts the lower end of the contact port (141), while the second end contacts the second guide The magnetic plates (15) are in contact to form a second closed magnetic circuit, and the direction of the magnetic field lines passing through the middle magnetic plate (13) in the first closed magnetic circuit is the same as the direction of the magnetic field lines passing through the middle magnetic plate (13) in the second closed magnetic circuit. The magnetic field lines of the plate (13) are in opposite directions. 2. The self-generating device according to claim 1, characterized in that, the second magnetically conductive plate (15) is integrally formed with the middle magnetic plate (13). 3. The self-generating device according to claim 1, characterized in that, the self-generating device further comprises a fixed plate (17), and an elastic component is arranged on the fixed plate (17), and in the initial state, the soft The magnetic plate component (16) is in contact with the contact opening (141) and the second magnetic conductive plate (15) simultaneously under the action of the elastic component to form a first closed magnetic circuit. 4. The self-generating device according to claim 3, characterized in that, the elastic assembly comprises a fixed shaft (173) and a torsion spring (174) arranged at the bottom of the soft magnetic plate assembly (16), the The fixed shaft (173) is configured for fixed installation, the torsion spring (174) is sheathed on the fixed shaft (173), the soft magnetic plate (161) is provided with a rotating shaft (1612) and the soft magnetic plate ( 161) can rotate around the rotating shaft (1612). In the initial state, the torsion spring (174) presses against the soft magnetic plate (161) so that the soft magnetic plate assembly (16) is in contact with the contact port at the same time (141) is in contact with the second magnetically conductive plate (15). 5. The self-generating device according to claim 4, characterized in that, the middle part of the soft magnetic plate (161) is configured as a pivot point, and the first end of the soft magnetic plate (161) is formed as an operating end, The second end is formed as a free end, and a buffer (1611) is provided on the operating end. 6. The self-generating device according to claim 3, characterized in that, the elastic assembly comprises two turrets (175) and a fixed shaft (173) arranged at the bottom of the soft magnetic plate assembly (16) and A torsion spring (174), the fixed shaft (173) is configured to be fixedly installed, the torsion spring (174) is sleeved on the fixed shaft (173), and the soft magnetic plate assembly (16) is configured on Between two described turrets (175), one end of two described turrets (175) is all provided with rotating shaft (1612) and rotating frame (175) can rotate around described rotating shaft (1612), two described The other end of the turret (175) is fixedly connected to the soft magnetic plate assembly (16). In the initial state, the torsion spring (174) pushes against the soft magnetic plate (161) so that the soft magnetic plate The component (16) is in contact with the contact port (141) and the second magnetic conductive plate (15) at the same time. 7. The self-generating device according to claim 3, characterized in that, the elastic assembly includes a spring (176), and the spring (176) is arranged between the soft magnetic plate assembly (16) and the fixed plate (17) Between. 8. The self-generating device according to claim 7, characterized in that, the self-generating device further comprises a plurality of limiting plates (178), and a plurality of limiting plates (178) are respectively arranged on the soft The surroundings of the magnetic plate assembly (16) limit the displacement of the soft magnetic plate assembly (16) in front, rear, left, and right directions. 9. A wireless switch, characterized by comprising the self-generating device according to any one of claims 1-8.

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