CN214799462U - Receiver of self-generating switch - Google Patents

Abstract

The utility model provides a receiver of a self-generating switch, which comprises a bottom shell, a face shell, a circuit board, a sound generating device, an antenna and an inserting piece; the face-piece lid fits the drain pan to form the inner space, the circuit board with sound generating mechanism all locates the inner space, sound generating mechanism electricity connect in the circuit board, the face-piece or the drain pan is equipped with sound outlet, sound generating mechanism is located sound outlet's inboard, the antenna electricity connect in the circuit board, the antenna can with from the switch communication of generating electricity, the inserted sheet passes the drain pan, just the inserted sheet electricity is connected the circuit board.

Description

Receiver of self-generating switch

Technical Field

The utility model relates to a switch field especially relates to a receiver from electricity generation switch.

Background

The wireless switch can be understood as a switch configured with a wireless communication module, the wireless communication module can be a radio frequency module or a bluetooth module, and the corresponding wireless switch can be a self-generating switch.

In the prior art, the self-generating switch can interact with controlled equipment (such as a wall switch, a doorbell and the like), in some schemes, a receiver special for interacting with the self-generating switch can be introduced, and control can be realized based on an interaction result with the self-generating switch through the receiver. However, in this type of receiver, there is usually no means for feeding back information to the outside.

SUMMERY OF THE UTILITY MODEL

The utility model provides a receiver from power generation switch to solve the problem that lacks the part that can externally feed back information.

The utility model provides a receiver of a self-generating switch, which comprises a bottom shell, a face shell, a circuit board, a sound generating device, an antenna and an inserting piece; the face-piece lid fits the drain pan to form the inner space, the circuit board with sound generating mechanism all locates the inner space, sound generating mechanism electricity connect in the circuit board, the face-piece or the drain pan is equipped with sound outlet, sound generating mechanism is located sound outlet's inboard, the antenna electricity connect in the circuit board, the antenna can with from the switch communication of generating electricity, the inserted sheet passes the drain pan, just the inserted sheet electricity is connected the circuit board.

Optionally, the bottom surface of drain pan is equipped with the sound production holding chamber, sound generating mechanism locates the sound production holding chamber, sound output portion locates the bottom surface in sound production holding chamber.

Optionally, the receiver of the self-generating switch further comprises foam, and the foam is arranged on one side of the face shell, facing the sound generating device.

Optionally, the inner side of the face shell is provided with a foam supporting portion, and the foam supporting portion is in butt joint with and supported on one side of the foam facing the face shell.

Optionally, a sounding supporting part is arranged in the sounding accommodating cavity, and the sounding supporting part is supported on one side of the bottom surface of the bottom shell, facing the sounding device.

Optionally, the bottom shell and/or the face shell are provided with a plurality of antenna installation card slots for clamping the antenna.

Optionally, the distribution of the plurality of antenna installation card slots and the shape of the antenna are matched with the shape of the side wall of the bottom case.

Optionally, the bottom case is provided with a circuit board limiting portion, and the circuit board limiting portion is supported on one side of the circuit board facing the bottom surface of the bottom case.

Optionally, the bottom shell is provided with a face mounting buckle, and the face is mounted on the bottom shell through the face mounting buckle.

Optionally, the receiver of the self-generating switch further includes a key, the bottom case and/or the face case are provided with key holes, the key is arranged in the key hole, and the key can be pressed down to activate the micro switch on the circuit board.

Optionally, the receiver of the self-generating switch further includes a first shaft portion disposed on the bottom case and/or the face case, the key is provided with a second shaft portion, and the first shaft portion is rotatably connected to the second shaft portion.

Optionally, the number of the micro switches is two, the micro switches are respectively a first micro switch and a second micro switch, and a first key surface and a second key surface are arranged on one side of the key facing the inner space;

the first microswitch is positioned on the inner side of the first key surface, and the second microswitch is positioned on the inner side of the second key surface; wherein:

when the key is pressed down and rotates in a first direction, the first key surface can move towards the first microswitch so as to directly or indirectly trigger the first microswitch, and the second key surface can move away from the second microswitch;

when the key is pressed down and rotates in a second direction, the second key surface can move towards the second microswitch so as to directly or indirectly trigger the second microswitch, the first key surface can move away from the first microswitch, and the first direction and the second direction are opposite rotation directions.

Optionally, the first key surface and/or the second key surface are provided with key posts for directly or indirectly activating corresponding micro switches.

Optionally, the key post sleeve is provided with a silica gel cap.

Optionally, the receiver of the self-generating switch further comprises a silica gel ring; the silica gel ring is fixed on the edge of the key hole;

the silica gel circle still is equipped with along the radial recess that extends of silica gel circle, first axial region or second axial region is followed the radial of silica gel circle passes the recess.

Optionally, the processing module on the circuit board is electrically connected to the antenna, so as to receive the switch trigger signal sent from the power-generating switch by using the antenna;

the processing module is also electrically connected with the sound generating device so as to send the sound generating trigger signal corresponding to the switch trigger signal to the sound generating device.

Optionally, the processing module is further electrically connected to a light emitting module on the circuit board, so as to send a light emitting trigger signal corresponding to the switch trigger signal to the light emitting module.

Optionally, the receiver of the self-generating switch further includes a key, the bottom case and/or the face case are provided with key holes, the key is disposed in the key hole, the light-emitting module is disposed on the inner side of the key, and the key has light guiding capability.

The utility model provides an among the receiver of spontaneous electric switch, based on the antenna of inner space, can realize the signal interaction between receiver and the spontaneous electric switch, meanwhile, the utility model discloses still set up sound generating mechanism in the inner space, and then, can provide reliable hardware basis for acoustic signal's external feedback to for the information feedback based on acoustic signal provides the medium, and, the acoustic signal who sends can be through the external output of sound in face-piece or the drain pan, thereby the external effective propagation of guarantee acoustic signal.

Furthermore, the utility model discloses the inserted sheet has still been introduced to can realize the transmission of electric energy based on the inserted sheet, satisfy the power consumption demand of receiver.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a first schematic structural diagram of a receiver according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a receiver according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a receiver according to an embodiment of the present invention;

fig. 4 is a first schematic structural diagram of a receiver according to another embodiment of the present invention;

fig. 5 is a schematic structural diagram of a receiver according to another embodiment of the present invention;

fig. 6 is a schematic structural diagram of a receiver according to another embodiment of the present invention;

fig. 7 is a schematic structural diagram of a front shell according to another embodiment of the present invention;

fig. 8 is a schematic structural diagram of a bottom case according to another embodiment of the present invention;

fig. 9 is a first schematic structural diagram of a receiver according to still another embodiment of the present invention;

fig. 10 is a schematic structural diagram of a receiver according to still another embodiment of the present invention;

fig. 11 is a third schematic structural diagram of a receiver according to still another embodiment of the present invention;

fig. 12 is a fourth schematic structural diagram of a receiver according to yet another embodiment of the present invention;

fig. 13 is a schematic structural diagram of a receiver according to yet another embodiment of the present invention;

fig. 14 is a schematic structural diagram of a bottom case according to still another embodiment of the present invention.

Description of reference numerals:

1-a bottom shell;

101-antenna mounting card slot;

102-a circuit board limiting part;

103-a sound production accommodating cavity;

104-a sound emitting part;

105-installing a buckle on the face shell;

106-a sound supporting portion;

2-a sound generating device;

3-soaking cotton;

4-pressing a key;

401-a second shaft portion;

402-key post;

5-a circuit board;

501-a microswitch;

502-a light emitting module;

6-an antenna;

7-a face shell;

701-a first shaft portion;

702-a foam support;

703-snap fitting;

8-inserting pieces;

9-silica gel ring;

901-grooves;

10-silica gel cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper portion", "lower portion", "upper end", "lower surface", "upper surface", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, "plurality" means a plurality, such as two, three, four, etc., unless specifically limited otherwise.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected" and the like are to be understood broadly, and may for example be fixedly connected, detachably connected, or integrated; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Referring to fig. 1 to 14, the receiver of the self-generating switch includes a bottom case 1, a face case 7, a circuit board 5, a sound generating device 2, an antenna 6 and an insert sheet 8.

The face shell 7 covers the bottom shell 1 to form an inner space, the insertion sheet 8 penetrates through the bottom shell 1, the insertion sheet 8 is electrically connected with the circuit board 5, and further, any shell suitable for covering the shell together can be regarded as the face shell 7 and the bottom shell 1, and the shell with the insertion sheet 8 penetrating through can be understood as the bottom shell 1.

The insert sheet 8 may be any structure suitable for realizing power transmission and fixed on the bottom case 1, and may be a sheet structure, and is not limited thereto, wherein the number of the insert sheets 8 may be two, three, or not limited thereto, and the insert sheet 8 may be inserted into the socket.

The antenna 6 is electrically connected to the circuit board 5, the antenna 6 can communicate with the self-generating switch, wherein the antenna 6 can receive signals and also can transmit signals, meanwhile, the antenna 6 can be used for communicating with the self-generating switch, and in some examples, the antenna 6 can also be used for communicating with other equipment; in some examples, the antenna 6 may be used only for receiving or transmitting signals. In addition, this antenna 6 can be based on the antenna of radio frequency, also can be based on the antenna of bluetooth, can also be based on Wifi's antenna, no matter be based on what kind of communication methods's antenna, all do not break away from the utility model discloses the scope of embodiment.

The circuit board 5 and the sound generating device 2 are both arranged in the inner space, the sound generating device 2 is electrically connected to the circuit board 5, the face shell 7 or the bottom shell 1 is provided with a sound outlet portion (for example, the sound outlet portion 104 schematically arranged on the bottom shell 1 in the figure), the sound generating device 2 is located on the inner side of the sound outlet portion, and further, a sound signal emitted by the sound generating device 2 can be transmitted outwards through the sound outlet portion.

The sound generating device 2 can be a loudspeaker or other devices capable of transmitting sound signals; the sound emitting portion 104 may be a structure that allows sound signals to be transmitted, and may be a sound emitting hole, for example, but is not limited thereto. The sound outlet holes can be arranged in a certain rule.

In the above scheme, based on the antenna of inner space, can realize the signal interaction between receiver and the spontaneous switch, meanwhile, the utility model discloses still set up sound generating mechanism in inner space, and then, can provide reliable hardware basis for sound signal's external feedback to for information feedback based on sound signal provides the medium, and the sound signal that sends can be through the external output of sound in face-piece or the drain pan, thereby the external effective propagation of guarantee sound signal. Furthermore, the utility model discloses the inserted sheet has still been introduced to can realize the transmission of electric energy based on the inserted sheet, satisfy the power consumption demand of receiver.

In one embodiment, please refer to fig. 1 to 14, a sound-generating accommodating cavity 103 is disposed on the bottom surface of the bottom case 1, the sound-generating accommodating cavity 103 may be a cavity formed on the bottom surface by enclosing or partially enclosing a side wall disposed on the bottom surface of the bottom case 1, and further, the sound-generating accommodating cavity 103 may be a cavity with an opening on an upper side. The sound generating device 2 is disposed in the sound generating accommodating cavity 103, and the sound outlet 104 is disposed on a bottom surface of the sound generating accommodating cavity 103 (i.e., a bottom surface of the bottom case 1).

The shape of sound production holding chamber 103 can match in sound generating mechanism 2, and in the example of the figure, the shape of sound production holding chamber 103 can be circular, the embodiment of the utility model provides a also do not exclude the scheme that adopts other shapes.

In one embodiment, since the sound generating device 2 may vibrate during sound generation and also diffuse sound signals to the inside, in order to at least one of absorb shock and limit sound signal diffusion, referring to fig. 1, 4 to 6, the receiver of the self-generating switch further includes a foam 3, and the foam 3 is disposed on a side of the sound generating device 2 facing the panel 7.

Taking fig. 1 as an example, the side of the foam 3 facing the panel 7 can be connected to the circuit board 5, and taking fig. 4 to 7 as an example, the corresponding structure inside the panel 7 can also be connected. For further example, referring to fig. 4 to 7, a foam supporting portion 702 is disposed on an inner side of the face casing 7, and the foam supporting portion 702 is supported in a butt joint manner on a side of the foam 3 facing the face casing. In other examples, foam may not be used.

For example, referring to fig. 1 to 3, the foam 3 may be adhered to the upper surface of the horn. The assembled circuit board 5 (e.g., PCBA board) also serves to compress the foam 3, thereby indirectly securing the horn (i.e., sound emitting device).

In one embodiment, a sound-producing support portion 106 is disposed in the sound-producing accommodating cavity 103, and can be disposed on the bottom surface and/or the side wall, and the sound-producing support portion 106 is supported on one side of the sound-producing device 2 facing the bottom surface of the bottom case 1.

The sound-emitting support parts 106 can be uniformly distributed along the side wall.

Furthermore, the sound generating device 2 can be clamped between the sound generating support portion 106 and the circuit board 5 by the supporting and limiting effects of the sound generating support portion 106, so that the position of the sound generating device 2 is fixed.

In some examples, the sound supporting portion 106 may also be configured to engage with the circuit board 5.

In one embodiment, as shown in fig. 2, fig. 3, fig. 6, and fig. 8, the bottom case 1 and/or the face case 7 may further have a plurality of antenna mounting slots (e.g., an antenna mounting slot 101 disposed on the bottom case 1) for clamping the antenna 6.

The distribution manner of the plurality of antenna installation card slots (e.g., antenna installation card slots 101) and the shape of the antenna 6 are matched with the shape of the side wall of the bottom case 1, for example, the shape of the antenna 6 shown in fig. 1 and 2 is an arc, the shape of the side wall of the bottom case 1 is a circle, and the arc coincides with the center of the circle and has a matching radius (e.g., close to or the same as the radius); for another example, antenna 6 shown in fig. 4, 6 and 8 has a rectangular shape with a chamfer, and the side wall of bottom case 1 also has a rectangular shape with a chamfer. In other examples, the shape may be other regular or irregular shapes.

In a specific example, referring to fig. 1 to 8, the antenna 6 is led out from the pad of the circuit board 5 and then clamped into the antenna mounting slot 101 on the periphery of the bottom case 1.

For example, referring to fig. 9-14, the antenna 6 may be a PCBA board mounted antenna.

In one embodiment, referring to fig. 2, fig. 3, fig. 6, fig. 8 and fig. 14, the bottom case 1 is provided with a circuit board limiting portion 102, and the circuit board limiting portion 102 is supported on a side of the circuit board 5 facing the bottom surface of the bottom case 1.

In some examples, the circuit board 5 may be sandwiched between the circuit board position-limiting portion 102 and the inner side structure of the face shell 7, and in other examples, the circuit board position-limiting portion 102 may further be formed with a clamping structure (formed by combining the circuit board position-limiting portion 102, or formed independently of the circuit board position-limiting portion 102) such as a clamping groove, a buckle, and the like, so that the circuit board 5 may be clamped by the clamping structure, thereby fixing the position of the circuit board 5.

In a specific example, at least two circuit boards 5 (for example, PCBA boards) may be mounted with a buckle or a screw post, and are used in cooperation with the circuit board positioning posts to realize the mounting and fixing of the circuit boards 5.

In one embodiment, referring to fig. 3, 6 and 8, the bottom case 1 is provided with a cover mounting buckle 105, and the cover 7 is mounted on the bottom case 1 through the cover mounting buckle 105. Correspondingly, in the face housing 7, there may be provided a structure for mating with the face housing mounting snap 105 (e.g., snap fitting 703 shown in fig. 1 and 7). In other examples, a snap may be provided on the face shell and a snap-fit on the bottom shell.

In other embodiments, the bottom case 1 and the face case 7 may be connected before using no snap, for example, in the solutions shown in fig. 9 to 14, the bottom case 1 and the face case 7 may be melted together by ultrasonic waves.

In one embodiment, referring to fig. 1, fig. 2, fig. 4, fig. 5, fig. 7, fig. 9 to fig. 13, the receiver of the self-generating switch further includes a key 4, the bottom case 1 and/or the face case 7 are provided with a key hole (taking fig. 1 and fig. 2 as examples, the key hole is provided in the bottom case 1, and taking fig. 4, fig. 7, fig. 9 to fig. 13 as examples, the key hole is provided in the face case 7), the key 4 is provided in the key hole, and the key is pressed down to activate the micro switch 501 on the circuit board 5.

Further, the receiver of the self-generating switch further includes a first shaft portion (e.g., the first shaft portion 701 shown in the figure and disposed on the face casing 7) disposed on the bottom casing 1 and/or the face casing 7, the key 4 is disposed with a second shaft portion 401, and the first shaft portion (e.g., the first shaft portion 701) is rotatably connected to the second shaft portion 401.

If the first shaft portion is a rotating shaft, as shown in fig. 1, the second shaft portion 401 may be a shaft hole matching with the first shaft portion; if the first shaft portion is a shaft hole, as shown in fig. 7, 12 to 14, the second shaft portion 401 may be a matching shaft.

Specifically, referring to fig. 6 and 11, the number of the micro switches 501 is two, which are respectively a first micro switch and a second micro switch, and a first key surface and a second key surface are disposed on one side of the key 4 facing the inner space.

The first microswitch is positioned on the inner side of the first key surface, and the second microswitch is positioned on the inner side of the second key surface; wherein:

when the key 4 is pressed down and rotated in a first direction, the first key surface can move towards the first microswitch so as to directly or indirectly trigger the first microswitch, and the second key surface can move away from the second microswitch;

when the key 4 is pressed down and rotated in a second direction, the second key surface can move towards the second microswitch so as to directly or indirectly trigger the second microswitch, and the first key surface can move away from the first microswitch, wherein the first direction and the second direction are opposite rotation directions.

Furthermore, in the above aspect, the pressing of the key and the activation of the microswitch can be achieved based on the rotation of the key. Meanwhile, in other examples, the keys may be implemented by other motion methods without being limited to the above examples.

For example, referring to fig. 1 to 3, a circuit board 5 (e.g., a PCBA board) is clamped into a corresponding slot (i.e., a key hole) of the bottom chassis 1, and a micro switch on the circuit board 5 (e.g., the PCBA board) is aligned with a bump structure of the key 4.

In some examples, to fit the inner space to achieve contact and activation, referring to fig. 12 and 13, the first key surface and/or the second key surface are provided with key posts 402 for directly or indirectly activating the corresponding micro switches 501. Further, in order to improve the operation experience of pressing down and improve hand feeling, the key post 402 is sleeved with a silica gel cap 10.

Referring to fig. 12 and 13, the receiver of the self-generating switch may further include a silicone ring 9; the silica gel ring 9 is fixed on the edge of the key hole; the silica gel circle still is equipped with along the radial recess 901 that extends of silica gel circle, first axial region or second axial region along the radial of silica gel circle passes the recess. In addition, the silica gel ring 9 can also be provided with a positioning hole, and the edge of the key hole is also provided with a positioning column matched with the positioning hole.

The silica gel cap 10 is sleeved on the key post 402 of the key 4, the rotating shaft of the key 4 is firstly placed in the groove 901 corresponding to the silica gel ring 9, and then the rotating shafts at two ends of the key 4 are clamped on the face shell 7. The silica gel ring 9 can be fixed on the face shell 7 through two positioning columns in a hot melting mode.

In one embodiment, the processing module on the circuit board 5 is electrically connected to the antenna 6, so as to receive the switch trigger signal sent by the self-generating switch by using the antenna 6; the switch trigger signal can be sent out after the self-generating switch is triggered, and a corresponding message can be recorded in the switch trigger signal.

The processing module is also electrically connected with the sound generating device 2 so as to send the sound generating trigger signal corresponding to the switch trigger signal to the sound generating device 2.

The sound generation trigger signal is understood to be a signal capable of triggering the sound generation device 2 to generate corresponding sound. The processing module may send a sound generation trigger signal to the sound generator 2 in response to the received switch trigger signal.

In some examples, the processing module is further electrically connected to a light emitting module 502 (for example, the light emitting module 502 shown in fig. 6 and 11) on the circuit board 5, so as to send a light emitting trigger signal corresponding to the switch trigger signal to the light emitting module 502.

The light module 502 may, for example, include one or more LEDs.

The light emitting trigger signal can be understood as a signal capable of triggering the light emitting module 502 to emit light. The processing module may send a light emitting trigger signal to the light emitting module 502 in response to the received switch trigger signal.

In order to facilitate light emission, the light emitting module 502 may be disposed inside the key 4, and the key 4 has a light guiding capability, so that the key 4 can guide light out, and meanwhile, the light can be emitted out through a gap between the key 4 and the key hole.

The key 4 can be made of, for example, a milky translucent PC material, which can also function as a light guide.

When a receiver is used, it may be equipped with at least one transmitter (for example, but not limited to, a self-generating switch), which is generally placed in a place (plugged into a socket) that is easily heard by people; in use, the receptacle may be plugged into a power outlet; the transmitter is usually mounted outside the door at a distance. When the switch of the transmitter is triggered, the receiver receives the signal, and the receiver makes a sound and lights up, so that the person at the receiver end can receive the calling signal from the person at the transmitter end.

When the receiver shown in fig. 1 to 3 is used, the corresponding "volume adjustment key" or "music switch key" on the side key 4 can be pressed respectively to trigger the corresponding micro switch on the circuit board 5, thereby playing the role of adjusting the volume or switching the music.

When the receiver shown in fig. 4 to 8 is used, the two sides of the central line of the key rotating shaft are respectively provided with a function key 'volume adjusting key' and a 'music switching key', when the function key at one side is pressed, the key can swing at a small angle left or right around the rotating shaft, and then a microswitch on the circuit board is triggered to play a role in adjusting volume or switching music.

The volume can be adjusted according to the need, and the sound content can be switched according to the preference.

In the description herein, references to the terms "an embodiment," "an example," "a specific implementation," "an example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (18)

1. A receiver of a self-generating switch is characterized by comprising a bottom shell, a face shell, a circuit board, a sound generating device, an antenna and an inserting piece; the face-piece lid fits the drain pan to form the inner space, the circuit board with sound generating mechanism all locates the inner space, sound generating mechanism electricity connect in the circuit board, the face-piece or the drain pan is equipped with sound outlet, sound generating mechanism is located sound outlet's inboard, the antenna electricity connect in the circuit board, the antenna can with from the switch communication of generating electricity, the inserted sheet passes the drain pan, just the inserted sheet electricity is connected the circuit board.

2. The receiver of the self-generating switch as claimed in claim 1, wherein the bottom surface of the bottom casing is provided with a sound-generating accommodating chamber, the sound-generating device is disposed in the sound-generating accommodating chamber, and the sound-generating portion is disposed on the bottom surface of the sound-generating accommodating chamber.

3. The receiver of the self-generating switch according to claim 2, further comprising foam, wherein the foam is disposed on a side of the sound generating device facing the face shell.

4. The receiver of the self-generating switch as claimed in claim 3, wherein the inner side of the face housing is provided with a foam support portion which is butt-supported on a side of the foam facing the face housing.

5. The receiver of the self-generating switch according to claim 2, wherein a sound-generating supporting portion is disposed in the sound-generating accommodating chamber, and the sound-generating supporting portion is supported on a side of the sound-generating device facing the bottom surface of the bottom case.

6. The receiver of the self-generating switch as claimed in any one of claims 1 to 5, wherein the bottom case and/or the face case is provided with a plurality of antenna mounting slots for engaging the antenna.

7. The receiver of the self-generating switch according to claim 6, wherein the distribution of the plurality of antenna mounting slots and the shape of the antenna are matched to the shape of the side wall of the bottom case.

8. The receiver of the self-generating switch as claimed in any one of claims 1 to 5, wherein the bottom case is provided with a circuit board retaining portion, and the circuit board retaining portion is supported on a side of the circuit board facing a bottom surface of the bottom case.

9. The receiver of the self-generating switch as claimed in any one of claims 1 to 5, wherein the bottom case is provided with a face mounting clip by which the face is mounted to the bottom case.

10. The receiver of the self-generating switch according to any one of claims 1 to 5, further comprising a key, wherein the bottom case and/or the face case are provided with a key hole, the key is provided in the key hole, and the key is pressed down to activate the micro switch on the circuit board.

11. The receiver of the self-generating switch according to claim 10, further comprising a first shaft portion provided on the bottom case and/or the face case, wherein the key is provided with a second shaft portion, and the first shaft portion is rotatably connected to the second shaft portion.

12. The receiver of the self-generating switch according to claim 11, wherein the number of the micro switches is two, and the micro switches are respectively a first micro switch and a second micro switch, and a first key surface and a second key surface are arranged on one side of the key facing the inner space;

the first microswitch is positioned on the inner side of the first key surface, and the second microswitch is positioned on the inner side of the second key surface; wherein:

when the key is pressed down and rotates in a first direction, the first key surface can move towards the first microswitch so as to directly or indirectly trigger the first microswitch, and the second key surface can move away from the second microswitch;

when the key is pressed down and rotates in a second direction, the second key surface can move towards the second microswitch so as to directly or indirectly trigger the second microswitch, the first key surface can move away from the first microswitch, and the first direction and the second direction are opposite rotation directions.

13. The receiver of the self-generating switch according to claim 12, wherein the first key surface and/or the second key surface is provided with key posts for directly or indirectly activating corresponding micro switches.

14. The receiver of the self-generating switch according to claim 13, wherein the key post is sleeved with a silica gel cap.

15. The receiver of the self-generating switch according to claim 11, further comprising a silicone ring; the silica gel ring is fixed on the edge of the key hole;

the silica gel circle still is equipped with along the radial recess that extends of silica gel circle, first axial region or second axial region is followed the radial of silica gel circle passes the recess.

16. The receiver of the self-generating switch according to any one of claims 1 to 5, wherein the processing module on the circuit board is electrically connected to the antenna to receive the switch triggering signal from the self-generating switch by using the antenna;

the processing module is also electrically connected with the sound generating device so as to send the sound generating trigger signal corresponding to the switch trigger signal to the sound generating device.

17. The receiver of the self-generating switch as claimed in claim 16, wherein the processing module is further electrically connected to a lighting module on the circuit board for sending a lighting trigger signal corresponding to the switch trigger signal to the lighting module.

18. The receiver of the self-generating switch according to claim 17, further comprising a key, wherein the bottom case and/or the face case are provided with key holes, the key is disposed in the key holes, the light emitting module is disposed inside the key, and the key has a light guiding capability.

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