CN112838738B - A side-mounted double magnet toggle type self-generating device and wireless switch - Google Patents

Abstract

The invention relates to the technical field of switches, in particular to a side-mounted double-magnet toggle type self-generating device and a wireless switch. The self-generating device includes a coil support, a connecting magnetic plate and a soft magnetic plate, and a coil is wound on the coil support. A connecting magnetic plate is installed through the coil bracket, the first end of the connecting magnetic plate is connected with the first magnetic conducting plate, the second end of the connecting magnetic plate is connected with the second magnetic conducting plate, and the first magnetic conducting plate faces the second magnetic conducting plate. The magnetic plate is bent to form a first contact port, and the second magnetic plate is bent toward the first magnetic plate to form a second contact port, and the soft magnetic plate forms a first closed position in the initial state and after being pressed. In the magnetic circuit and the second closed magnetic circuit, the direction of the magnetic induction line passing through the connecting magnetic plate in the first closed magnetic circuit is opposite to the direction of the magnetic induction line passing through the connecting 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 side-mounted double magnet toggle type self-generating device and wireless switch

technical field

The invention relates to the technical field of switches, in particular to a side-mounted 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 It is inconvenient to use due to power failure; 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 and is not convenient for integrated processing in the prior art, the present invention proposes a self-generating device and a wireless switch, which are simple in structure and occupy a small space, and are convenient for integrated processing.

Technical scheme of the present invention:

A side-mounted double magnet toggle type self-generating device, comprising:

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

Connecting the magnetic plate, the first end of the connecting magnetic plate is connected with the first magnetic conducting plate, and the second end of the connecting magnetic plate is connected with the second magnetic conducting plate;

The first magnetically conductive plate, the first magnetically conductive plate is bent toward the second magnetically conductive plate to form a first bent portion, the upper and lower surfaces of the first bent portion are respectively along the connecting magnetic plate Bending in the width direction to form a first upper bending part and a first lower bending part, and a first contact port is formed between the first upper bending part and the first lower bending part;

The second magnetically conductive plate, the second magnetically conductive plate is bent toward the first magnetically conductive plate to form a second bent portion, the upper and lower surfaces of the second bent portion are respectively along the connecting magnetic The plate is bent in the width direction, and the bending direction is the same as that of the upper and lower surfaces of the first bending part, forming a second upper bending part and a second lower bending part, and the inside of the second upper bending part is arranged with A first permanent magnet, a second permanent magnet is arranged inside the second lower bending part, and a second contact port is formed between the first permanent magnet and the second permanent magnet;

A soft magnetic plate, the soft magnetic plate is configured to be movable, and in an initial state, the soft magnetic plate is in contact with the first contact portion of the first contact port, and at the same time is in contact with the first contact portion of the second contact port Part contact to form a first closed magnetic circuit. When the soft magnetic plate moves, the soft magnetic plate contacts the second contact portion of the first contact port and at the same time makes contact with the second contact portion of the second contact port. part contact to form a second closed magnetic circuit, the direction of the magnetic induction line passing through the connecting magnetic plate in the first closed magnetic circuit is opposite to the direction of the magnetic induction line passing through the connecting magnetic plate in the second closed magnetic circuit .

Further, the soft magnetic plate includes a first magnetically permeable part and a second magnetically permeable part, the first magnetically permeable part is in contact with the first contact opening, and the second magnetically permeable part is in contact with the second magnetically permeable part. The first magnetically conductive part and the second magnetically conductive part are located on the same side of the soft magnetic plate.

Further, the self-generating device further includes a first limiter and a second limiter, and the first limiter and the second limiter are respectively arranged on two sides of the second magnetic conduction part.

Furthermore, the self-generating device further includes a fixing plate, and an elastic component is provided on the fixing plate. In an initial state, the soft magnetic plate is simultaneously connected to the first contact port and the second contact port under the action of the elastic component. The two contact ports are in contact to form a first closed magnetic circuit.

Optionally, the elastic assembly includes a fixed shaft and a torsion spring arranged at the bottom of the soft magnetic plate, 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 is in contact with the first contact port and the second contact port at the same time. Two-contact port contact.

Optionally, the elastic component includes a spring, and the spring is arranged between the soft magnetic plate and the fixed plate.

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

Another aspect of the present invention provides a wireless switch, including a base, and the self-generating device as described in any one of the above is arranged in the base.

Further, the wireless switch further includes an upper cover and an elastic member, one end of the elastic member is fixedly connected to the soft magnetic plate, and the other end of the elastic member is connected to the upper cover.

Further, the upper cover is provided with a plurality of limit hooks, and the base is provided with a plurality of limit grooves, and the limit hooks and the limit grooves cooperate to limit the upper cover and the base, preventing the The top cover is detached from the base.

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

(1) In the self-generating device of the present invention, the first permanent magnet, the second permanent magnet and the soft magnetic plate are arranged on the side of the coil support by bending the first magnetically conductive plate and the second magnetically conductive plate inwardly , the size of the entire device in the length direction of the coil support is reduced, which is convenient for integrated processing, and the openings of the first contact port and the second contact port face the side, which can further reduce the size of the entire device in the width direction of the coil support. At the same time, the self-generating device of this embodiment can make full use of the space on the side of the coil support in the switch, so that the overall size of the switch is small and the structure is compact.

(2) In the self-generating device of the present invention, the soft magnetic plate is arranged on the side of the coil support, and the space on the side of the coil support is large, and the soft magnetic plate is not inside the coil support and will not be blocked by the coil support. The magnetic plate 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 the present invention can be applied to switches of various push forms, and the internal structure of the switch is compact.

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;

Fig. 3 is the structural representation of the self-generating device (without soft magnetic plate) of embodiment one;

Fig. 4 is the structural explosion diagram of the self-generating device (without soft magnetic plate) of embodiment one;

FIG. 5 is a schematic structural view of the first magnetically conductive plate of Embodiment 1;

6 is a schematic structural view of a second magnetically conductive plate in Embodiment 1;

7 is a schematic structural view of the self-generating device of Embodiment 1;

Figure 8 is a structural exploded view of the self-generating device of Embodiment 1;

FIG. 9 is a schematic diagram of the overall structure of the wireless switch of Embodiment 2;

FIG. 10 is an exploded view of the structure of the wireless switch of Embodiment 2;

Fig. 11 is a schematic diagram of the internal structure of the upper cover of the second embodiment;

Fig. 12 is a cross-sectional view of the wireless switch of the second embodiment;

Fig. 13 is a schematic structural view of the self-generating device of the third embodiment;

Fig. 14 is the schematic diagram of the position of the spring of embodiment three;

Fig. 15 is an exploded view of the structure of the wireless switch of the third embodiment.

in,

Coil support 11', coil 12', first permanent magnet 154', second permanent magnet 155', soft magnetic plate 17', magnetically permeable frame 19';

Coil support 11, coil 12, connecting magnetic plate 13, first magnetically conductive plate 14, first bent portion 141, first upper bent portion 142, first lower bent portion 143, first contact port 144, second Magnetic plate 15, second bent portion 151, second upper bent portion 152, second lower bent portion 153, first permanent magnet 154, second permanent magnet 155, second contact port 156, fixing plate 16, The first fixed part 161, the second fixed part 162, the fixed shaft 163, the torsion spring 164, the soft magnetic plate 17, the first magnetically conductive part 171, the second magnetically conductive part 172, the buffer member 173, the turret 174, the rotating shaft 175, Spring 176, limiting plate 177, limiting sleeve 178, first limiting member 181, second limiting member 182;

Base 2, first limiting groove 21, second limiting groove 22;

The upper cover 3, the first limit hook 31, the second limit hook 32, and the positioning rod 33;

Elastic piece 4.

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 17', a magnetic frame 19', a first permanent magnet 154' and a second permanent magnet 155 ', the coil support 11' is wound with a coil 12', the soft magnetic plate 17' 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 a magnetic frame 19'fixed The first permanent magnet 154' and the second permanent magnet 155', in the initial state, as shown in Figure 2, the soft magnetic plate 17' is in contact with the second permanent magnet 155' and the magnetic frame 19' at the same time, forming a permanent magnet formed by the second permanent magnet. Magnet 155'-soft magnetic plate 17'-magnetic frame 19'-the first closed magnetic circuit of the second permanent magnet 155', after pressing the right end of the soft magnetic plate 17', the soft magnetic plate 17' and the first permanent magnet simultaneously The magnet 154' is in contact with the magnetic frame 19' to form a second closed magnetic circuit consisting of the first permanent magnet 154'-magnetic frame 19'-soft magnetic plate 17'-first permanent magnet 154', the first closed magnetic circuit The direction of the magnetic induction lines passing through the soft magnetic plate 17 ′ is opposite to the direction of the magnetic induction lines passing through the soft magnetic plate 17 ′ 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 154' and the second permanent magnet 155' are arranged at one end of the coil support 11', so that the length of the entire coil support 11' is increased and occupies a larger space in the length direction. The overall size of the switch made is larger; and whether it is applied to a square switch or a round switch, the remaining space inside the switch will be wasted; in addition, this structure can only be pressed at both ends of the soft magnetic plate 17', It cannot be applied to push-button switches in the middle.

As shown in Figures 3-6, the side-mounted double magnet toggle type self-generating device of this embodiment includes a coil support 11, a coil 12, a connecting magnetic plate 13, a first magnetic conducting plate 14 and a second magnetic conducting plate 15, and the coil A coil 12 is wound on the support 11, and a connecting magnetic plate 13 is installed through the coil support 11. The first end of the connecting magnetic plate 13 is connected to the first magnetic conductive plate 14, and the second end of the connecting magnetic plate 13 is connected to the second conductive plate 13. The connection method of the magnetic plate 15 is not limited here, as long as the connection between the magnetic plate 13 and the first magnetic permeable plate 14 and the second magnetic permeable plate 15 can conduct magnetism. Wherein, the first magnetically conductive plate 14 is bent at 90 degrees toward the second magnetically conductive plate 15 to form a first bent portion 141, and the upper and lower surfaces of the first bent portion 141 are respectively bent along the width direction of the connecting magnetic plate 13 , forming a first upper bent portion 142 and a first lower bent portion 143, and a first contact opening 144 is formed between the first upper bent portion 142 and the first lower bent portion 143; the second magnetically conductive plate 15 faces the first A magnetically conductive plate 14 is bent at 90 degrees to form a second bent portion 151. The upper and lower surfaces of the second bent portion 151 are respectively bent along the width direction of the connecting magnetic plate 13, and are connected to the first bent portion 141. The bending direction of the upper and lower surfaces is the same, forming a second upper bending portion 152 and a second lower bending portion 153, the first permanent magnet 154 is arranged inside the second upper bending portion 152, and a permanent magnet 154 is arranged inside the second lower bending portion 153. The second permanent magnet 155, the second contact port 156 is formed between the first permanent magnet 154 and the second permanent magnet 155, so that the first permanent magnet 154 and the second permanent magnet 155 are all arranged on the side of the coil support 11, In addition, the openings of the first contact port 144 and the second contact port 156 are both facing the side.

Furthermore, a closed magnetic circuit can be formed by contacting the soft magnetic plate 17 with the first contact port 144 and the second contact port 156 respectively, and the soft magnetic plate 17 is configured to be movable and can perform spring contact movement or rotational movement. Specifically, in the initial state, the soft magnetic plate 17 is in contact with the first contact portion of the first contact port 144 and at the same time is in contact with the first contact portion of the second contact port 156 to form a first closed magnetic circuit. When the soft magnetic plate 17 After the movement, the soft magnetic plate 17 is in contact with the second contact portion of the first contact port 144 and simultaneously with the second contact portion of the second contact port 156 to form a second closed magnetic circuit. By setting the first permanent magnet 154 and the second contact portion The direction of the magnetic poles of the two permanent magnets 155 can make the direction of the magnetic field line through the connection magnetic plate 13 in the first closed magnetic circuit opposite to the direction of the magnetic field line through the connection magnetic plate 13 in the second closed magnetic circuit, so that the induction in the coil 12 The output current can supply power to the RF circuit board.

In this way, in the self-generating device of this embodiment, the first permanent magnet 154, the second permanent magnet 155 and the soft magnetic plate 17 are arranged on the line by bending the first magnetically permeable plate 14 and the second magnetically permeable plate 15 inwardly. The side of the coil support 11 reduces the size of the entire device in the length direction of the coil support 11, which is convenient for integrated processing, and the openings of the first contact port 144 and the second contact port 156 are directed to the side, which can further reduce the size of the entire device. Dimensions in the width direction of the coil support 11. 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 is compact. In addition, since the soft magnetic plate 17 is arranged on the side of the coil support 11, the side space of the coil support 11 is relatively large, and the soft magnetic support is not inside the coil support 11, and will not be blocked by the coil support 11. The plate 17 can not only realize the pressing yaw movement at both ends of the middle fulcrum, but also realize the middle pressing spring contact movement, so that the self-generating device of this embodiment can be applied to various pressing forms of switches.

Further, as shown in FIGS. 7-8 , the soft magnetic plate 17 of this embodiment includes a first magnetically permeable portion 171 and a second magnetically permeable portion 172 , and the first magnetically permeable portion 171 extends into the first contact port 144 and the first magnetically permeable portion 172 . The contact opening 144 contacts, the second magnetic conducting part 172 protrudes into the second contact opening 156 and contacts the second contact opening 156 , and the first magnetic conducting part 171 and the second magnetic conducting part 172 are located on the same side of the soft magnetic plate 17 .

Further, the self-generating device of this embodiment also includes a fixed plate 16, on which an elastic component is arranged. In the initial state, the soft magnetic plate 17 is simultaneously in contact with the first contact port 144 and the second contact port 144 under the action of the elastic component. Ports 156 are in contact to form a first closed magnetic circuit. Specifically, as shown in Figures 7-8, the fixed plate 16 is arranged at the bottom of the soft magnetic plate 17, connecting the first magnetically conductive plate 14 and the second magnetically conductive plate 15, and the fixed plate 16 is also connected with a first fixed portion 161 and the second fixing part 162, the elastic assembly includes a turret 174 and a fixed shaft 163 and a torsion spring 164 arranged at the bottom of the soft magnetic plate 17, wherein there are two turrets 174, and the two ends of the soft magnetic plate 17 are respectively fixedly connected On the turret 174, the turret 174 is provided with a rotating shaft 175, and the rotating shaft 175 is rotatably installed on the first magnetically conductive plate 14 and the second magnetically conductive plate 15, and the turret 174 can rotate around the rotating shaft 175 and drive the soft magnetic plate 17 at the same time. For movement, the rotating shaft 175 and the turret 174 are optional but not limited to being integrally formed. At the bottom of the soft magnetic plate 17 , the fixed shaft 163 is fixed to the first fixed portion 161 and the second fixed portion 162 , and the torsion spring 164 is sheathed on the fixed shaft 163 .

In the initial state, the torsion spring 164 presses against the soft magnetic plate 17 so that the soft magnetic plate 17 is in contact with the first contact port 144 and the second contact port 156 at the same time. Specifically, the upper part of the first contact port 144 is its first contact part, the lower part is its second contact part, the upper part of the second contact port 156 is its first contact part, and the lower part is its second contact part. In addition, the upper part of the first permanent magnet 154 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 155 is set as an N pole, and the lower part is set as an S pole. In the initial state, the torsion spring 164 presses against the soft magnetic plate 17 so that the soft magnetic plate 17 is simultaneously in contact with the first contact portion of the first contact port 144 and the first contact portion of the second contact port 156 to form the first permanent magnet 154 -the second magnetic plate 15-connecting magnetic plate 13-the first magnetic plate 14-soft magnetic plate 17-the first closed magnetic circuit of the first permanent magnet 154; after the middle part of the soft magnetic plate 17 was pressed, the soft magnetic The plate 17 rotates and contacts the second contact portion of the first contact port 144 and the second contact portion of the second contact port 156 to form a second permanent magnet 155-soft magnetic plate 17-first magnetic conductive plate 14-connecting magnetic plate 13 -the second magnetically conductive plate 15-the second closed magnetic circuit of the second permanent magnet 155, due to the direction of the magnetic induction line passing through the connecting magnetic plate 13 in the first closed magnetic circuit and the direction of the magnetic induction line passing through the connecting magnetic plate 13 in the second closed magnetic circuit The direction of the magnetic induction lines is opposite, and a current is induced in the coil 12, which can supply power to the radio frequency circuit board and the like. Of course, the top of the first permanent magnet 154 can also be set as the S pole, and the bottom is the N pole. At the same time, the top of the second permanent magnet 155 is set as the S pole, and the bottom is the N pole. The direction of the magnetic field lines of the plate 13 is opposite to the direction of the magnetic field lines passing through the connecting magnetic plate 13 in the second closed magnetic circuit.

Preferably, the fixing plate 16 is made of non-magnetic material such as plastic, so that the magnetic induction line does not pass through the fixing plate 16, so as to prevent the fixing plate 16 from interfering with the magnetic circuit.

The self-generating device of this embodiment is suitable for a push-type switch in the middle by setting the middle part of the soft magnetic plate 17 as a pressing part, and the switch has a compact structure. Furthermore, the self-generating device is also suitable for two-end push-type switches, and as shown in Figure 7, a buffer 173 can be provided in the middle of the soft magnetic plate 17, which can buffer and store energy when pressing, and at the same time improve the pressing feel.

Preferably, as shown in Figures 3-8, the self-generating device of this embodiment further includes a first limiting member 181 and a second limiting member 182, and the first limiting member 181 and the second limiting member 182 are respectively arranged at the second The soft magnetic plate 17 part in the two contact openings 156 is the both sides of the second magnetically conductive part 172 of the soft magnetic plate 17, so that the soft magnetic plate 17 can be limited in the left and right direction, that is, the length direction connected to the magnetic plate 13, The soft magnetic plate 17 is prevented from detaching from the left and right directions. Furthermore, the first contact port 144 and the second contact port 156 restrict the displacement of the soft magnetic plate 17 in the vertical direction, and prevent the soft magnetic plate 17 from detaching from the vertical direction.

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 9-12, this embodiment provides a wireless switch, including a base 2, an upper cover 3 and an elastic member 4, the base 2 is equipped with the self-generating device in Embodiment 1, and one end of the elastic member 4 is connected to the soft The magnetic plate 17 is fixedly connected, and the other end of the elastic member 4 is connected with the upper cover 3 , and self-power generation can be realized by pressing the upper cover 3 . Specifically, the self-generating device is fixed to the inner bottom surface of the base 2 through the fixing plate 16, one end of the elastic member 4 is fixed to the soft magnetic plate 17, and the other end of the elastic member 4 passes through and is sleeved on the positioning rod 33 on the inner bottom surface of the upper cover 3 In this way, by pressing the surface of the upper cover 3, the soft magnetic plate 17 can be driven to rotate to switch the closed magnetic circuit, thereby inducing a current in the coil 12, and the wireless switch of this embodiment is small in size and compact in structure.

Further, in order to prevent the upper cover 3 from detaching from the base 2, this embodiment sets a plurality of limit structures to limit the upper cover 3 and the base 2, as shown in Figure 10-12, the upper cover 3 is provided with a plurality of limit hooks , The base 2 is provided with a plurality of limit slots, and the limit hooks and the limit slots cooperate to form a limit structure to limit the upper cover 3 and the base 2 . Specifically, the limit hook includes a first limit hook 31 and a second limit hook 32, the limit groove includes a first limit groove 21 and a second limit groove 22, and the inner wall of the upper cover 3 is symmetrically provided with two first Limiting hook 31, the outer wall of base 2 is provided with two first limiting grooves 21 correspondingly, under the initial state, the first limiting hook 31 catches the first limiting groove 21 to prevent the upper cover 3 from moving under the action of the elastic member 4 Base 2 disengages. Further, four second limit hooks 32 are provided on the inner side of the upper cover 3, and four second limit grooves 22 are correspondingly provided on the base 2. As shown in FIG. 12, in the initial state, the second limit hooks 32 Hooking the flange in the second limiting groove 22 prevents the upper cover 3 from detaching from the base 2 under the action of the elastic member 4 . In this way, this embodiment can prevent the upper cover 3 from detaching from the base 2 by arranging a plurality of limit hooks in multiple directions to cooperate with the limit grooves.

It can be seen from the above that the wireless switch of this embodiment has a small overall size and a compact structure.

Embodiment three:

As shown in Figures 13-15, 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 17 and the elastic component are different. The elastic component of this embodiment includes a spring 176 , the spring 176 is arranged between the soft magnetic plate 17 and the fixed plate 16 . Specifically, the lower surface of the soft magnetic plate 17 and the upper surface of the fixed plate 16 are provided with a limit sleeve 178, and a spring 176 is placed in the limit sleeve 178, so that by pressing the soft magnetic plate 17, the closed magnetic circuit can be switched. .

In this embodiment, the upper part of the first contact port 144 is its first contact part, the lower part is its second contact part, the upper part of the second contact port 156 is its first contact part, and the lower part is its second contact part. In addition, the upper part of the first permanent magnet 154 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 155 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 17 so that the soft magnetic plate 17 is in contact with the first contact portion of the first contact port 144 and the first contact portion of the second contact port 156 at the same time, forming the first permanent magnet 154- The second magnetic plate 15-connects the magnetic plate 13-the first magnetic plate 14-the soft magnetic plate 17-the first closed magnetic circuit of the first permanent magnet 154; after the soft magnetic plate 17 was pressed, the soft magnetic plate 17 The downward movement is in contact with the second contact portion of the first contact port 144 and the second contact portion of the second contact port 156 to form a second permanent magnet 155-soft magnetic plate 17-first magnetic conductive plate 14-connecting magnetic plate 13- The second closed magnetic circuit of the second magnetically conductive plate 15-the second permanent magnet 155, due to the direction of the magnetic induction line passing through the connecting magnetic plate 13 in the first closed magnetic circuit and the magnetic field passing through the connecting magnetic plate 13 in the second closed magnetic circuit The direction of the induction line is opposite, and a current is induced in the coil 12, which can supply power to the radio frequency circuit board and the like.

Preferably, the number of springs 176 in this embodiment is two and arranged symmetrically, so as to ensure that the soft magnetic plate 17 moves up and down smoothly.

Furthermore, the self-generating device of this embodiment further includes a plurality of limiting plates 177 respectively disposed around the soft magnetic plate 17 to limit the displacement of the soft magnetic plate 17 in front, rear, left, and right directions. Specifically, as shown in Figure 13, two limit plates 177 are fixedly connected to the two ends of the soft magnetic plate 17 on the fixed plate 16 to limit the displacement of the soft magnetic plate 17 in the left and right direction, that is, the length direction of the connecting magnetic plate 13. The side of the magnetic plate 17 is also provided with two limiting plates 177, which cooperate with the first bending portion 141 and the second bending portion 151 to limit the displacement of the soft magnetic plate 17 in the front-back direction, that is, the width direction of the connecting magnetic plate 13, In this way, the smooth movement of the soft magnetic plate 17 is further ensured.

As shown in FIG. 15 , this embodiment also provides a wireless switch, including a base 2 , an upper cover 3 and an elastic member 4 , the structures of which are the same as those in Embodiment 2, and will not be repeated here. The switch of this embodiment adopts the spring contact form, which saves the turret in the first embodiment, and further reduces the size of the whole self-generating device in the width direction of the connecting magnetic plate 13, making the size of the whole self-generating device smaller, thereby making The size of the whole switch is smaller and the structure is more compact.

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 (10)

1. A side-mounted 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 a connecting magnetic plate (13) is provided through the coil support (11); Connecting magnetic plate (13), the first end of described connecting magnetic plate (13) is connected with first magnetic conducting plate (14), and the second end of described connecting magnetic plate (13) is connected with second magnetic conducting plate ( 15); The first magnetically conductive plate (14), the first magnetically conductive plate (14) is bent toward the second magnetically conductive plate (15), forming a first bent portion (141), the first bent The upper and lower surfaces of the part (141) are respectively bent along the width direction of the connecting magnetic plate (13) to form a first upper bending part (142) and a first lower bending part (143), and the first upper bending A first contact port (144) is formed between the folded portion (142) and the first lower bent portion (143); The second magnetically conductive plate (15), the second magnetically conductive plate (15) is bent toward the first magnetically conductive plate (14), forming a second bent portion (151), the second bent The upper and lower surfaces of the part (151) are respectively bent along the width direction of the connecting magnetic plate (13), and are bent in the same direction as the upper and lower surfaces of the first bending part (141), forming a second upper bending part (152) and the second lower bending part (153), the first permanent magnet (154) is arranged inside the second upper bending part (152), and the inner side of the second lower bending part (153) is arranged with A second permanent magnet (155), a second contact port (156) is formed between the first permanent magnet (154) and the second permanent magnet (155); A soft magnetic plate (17), the soft magnetic plate (17) is configured to be movable, and in an initial state, the soft magnetic plate (17) is in contact with the first contact portion of the first contact port (144), At the same time, it contacts with the first contact portion of the second contact port (156) to form a first closed magnetic circuit. When the soft magnetic plate (17) moves, the soft magnetic plate (17) and the first The second contact portion of the contact port (144) is in contact with the second contact portion of the second contact port (156) at the same time to form a second closed magnetic circuit, and the first closed magnetic circuit passes through the connecting magnetic circuit. The direction of the magnetic induction line of the plate (13) is opposite to the direction of the magnetic induction line passing through the connecting magnetic plate (13) in the second closed magnetic circuit. 2. The self-generating device according to claim 1, characterized in that, the soft magnetic plate (17) comprises a first magnetically permeable part (171) and a second magnetically permeable part (172), and the first magnetically permeable part (172) part (171) is in contact with the first contact port (144), the second magnetic conduction part (172) is in contact with the second contact port (156), and the first magnetic conduction part (171) and the second The two magnetic conducting parts (172) are located on the same side of the soft magnetic plate (17). 3. The self-generating device according to claim 2, characterized in that, the self-generating device further comprises a first limiting member (181) and a second limiting member (182), and the first limiting member ( 181) and the second limiting member (182) are respectively arranged on both sides of the second magnetic conduction part (172). 4. The self-generating device according to claim 1, characterized in that, the self-generating device further comprises a fixed plate (16), and an elastic component is arranged on the fixed plate (16), and in the initial state, the soft The magnetic plate (17) is in contact with the first contact port (144) and the second contact port (156) simultaneously under the action of the elastic component to form a first closed magnetic circuit. 5. The self-generating device according to claim 4, characterized in that, the elastic assembly includes a fixed shaft (163) and a torsion spring (164) arranged at the bottom of the soft magnetic plate (17), and the fixed The shaft (163) is configured to be fixedly installed, the torsion spring (164) is sheathed on the fixed shaft (163), the soft magnetic plate (17) is provided with a rotating shaft (175) and the soft magnetic plate (17 ) can rotate around the shaft (175). In the initial state, the torsion spring (164) pushes against the soft magnetic plate (17) so that the soft magnetic plate (17) is simultaneously connected to the first contact port (144) is in contact with the second contact port (156). 6. The self-generating device according to claim 4, characterized in that, the elastic assembly includes a spring (176), and the spring (176) is configured between the soft magnetic plate (17) and the fixed plate ( 16) Between. 7. The self-generating device according to claim 6, characterized in that, the self-generating device further comprises a plurality of limiting plates (177), and a plurality of limiting plates (177) are respectively arranged on the soft The surroundings of the magnetic plate (17) limit the displacement of the soft magnetic plate (17) in front, rear, left, and right directions. 8. A wireless switch, characterized in that it comprises a base (2), and the self-generating device according to any one of claims 1-7 is arranged in the base (2). 9. The wireless switch according to claim 8, characterized in that, the wireless switch further comprises an upper cover (3) and an elastic member (4), one end of the elastic member (4) is in contact with the soft magnetic plate ( 17) Fixed connection, the other end of the elastic member (4) is connected with the upper cover (3). 10. The wireless switch according to claim 9, characterized in that, the upper cover (3) is provided with a plurality of limit hooks, the base (2) is provided with a plurality of limit slots, the limit The positioning hook and the limiting groove cooperate to limit the upper cover (3) and the base (2), preventing the upper cover (3) from detaching from the base (2).

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