CN219163007U - Voice remote control switch capable of improving pronunciation effect - Google Patents

Abstract

The utility model discloses a voice remote control switch capable of improving the sound effect, which comprises a shell, a microphone and a loudspeaker, wherein the microphone and the loudspeaker are arranged in the shell, the shell comprises a rear shell, a panel cover plate, a frame and a panel which are sequentially connected, a key PCB (printed circuit board) is arranged between the frame and the panel cover plate, a sound transmission hole is arranged on the panel, a microphone accommodating chamber and a loudspeaker chamber are arranged on the frame, one end of the sound transmission hole is communicated with the microphone accommodating chamber, the other end of the sound transmission hole is communicated with the loudspeaker chamber, and the loudspeaker chamber is formed by sequentially connecting a rear sound cavity, an accommodating cavity, a front sound cavity and a sound outlet cavity. According to the voice remote control switch capable of improving the sound effect, the sound output effect of the type loudspeaker box is formed through the design of the voice remote control switch shell, and the sound fed back by the voice remote control switch as a whole can be enabled to be thick by using the loudspeaker with low cost, so that the volume is larger, and the sound quality is better.

Description

Voice remote control switch capable of improving pronunciation effect

Technical Field

The utility model belongs to the technical field of voice remote control switches, and particularly relates to a voice remote control switch capable of improving a sound effect.

Background

The voice remote control switch belongs to one of the switches, is different from the traditional key switch, and has the effect of voice instruction control. The voice remote control switch receives voice instructions through the built-in microphone, controls the switch to be turned on and off after serial recognition and electroacoustic signal conversion, and meanwhile, a loudspeaker built in the voice remote control switch obtains the instructions to send corresponding feedback sounds. The voice remote control switch can control the terminals such as the lamp without pressing keys by hands, and has the advantages of convenient operation, high intelligent degree and the like. The existing voice remote control switch is limited by the volume and other reasons of the voice remote control switch, the loudspeaker is small, the sound emitted by the loudspeaker is small, and the voice remote control switch is caused to feedback very little due to the coverage of the panel. Especially in noisy environments, it is difficult to hear sound. Meanwhile, the loudspeaker arranged in the voice remote control switch has no sound box structure which can generate resonance effect in playing equipment such as a large sound box and the like, and the emitted sound is sharp and harsh, thus the sound is easy to generate broken sound and the tone quality effect is poor.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a can improve pronunciation effect's voice remote control switch, voice remote control switch is including casing and microphone, loudspeaker in locating the casing, and the microphone is used for receiving voice command, and loudspeaker is used for sending back sound, the casing is including backshell, panel apron, frame and the panel that connect gradually, be equipped with button PCB board between frame and the panel apron, microphone and loudspeaker are installed respectively on button PCB board, be equipped with rectangular sound penetrating hole on the panel, be equipped with the microphone holding chamber that supplies the microphone to put into and the loudspeaker room that supplies the loudspeaker to put into on the frame, the one end intercommunication microphone holding chamber of sound penetrating hole, the other end intercommunication loudspeaker room of sound penetrating hole, loudspeaker room is by back sound chamber, hold chamber, preceding sound chamber and play sound chamber and connect gradually the constitution, the cross section of back sound chamber is greater than the cross section that holds the chamber, and the cross section that goes out the sound chamber is greater than the cross section that holds the chamber, the cross section that the loudspeaker is less than holds the chamber and is greater than the cross section that the sound chamber, loudspeaker inserts from back sound chamber, sound penetrating hole is penetrated from the sound chamber.

As the optimization of the technical scheme, one side of the loudspeaker chamber is provided with a sound amplifying cavity which is communicated with the rear sound cavity.

As the preference of above-mentioned technical scheme, one side fixedly connected with function board of frame, microphone holds room, loudspeaker room and public address chamber and is located the function board respectively, button PCB board covers the back of function board, passes through a plurality of screwed connection between button PCB board and the function board.

As the optimization of the technical scheme, dustproof cotton is arranged between the panel and the functional board, and covers the sound transmission holes.

As the optimization of the technical scheme, a power supply PCB is arranged in the rear shell, a rear shell cover plate is arranged between the rear shell and the panel cover plate, and the key PCB is fixedly connected with the rear shell cover plate.

The beneficial effects of the utility model are as follows: according to the voice remote control switch capable of improving the sound production effect, the rear sound cavity, the front sound cavity, the sound outlet cavity, the sound amplifying cavity and the like are arranged in the voice remote control switch, so that the main part of original sound emitted by the loudspeaker can vibrate back and forth, resonate and then pass through the sound outlet hole, the sound production effect of the type loudspeaker box is formed by designing the voice remote control switch shell, and the sound fed back by the voice remote control switch as a whole is muddy, the volume is larger and the sound quality is better by using the loudspeaker with low cost.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic illustration of the explosive effect of the present utility model;

FIG. 3 is a schematic view of the back structure of the bezel;

fig. 4 is a schematic perspective view of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, a voice remote control switch capable of improving sound effect, the voice remote control switch comprises a shell and a microphone 1 and a loudspeaker 2 arranged in the shell, wherein the microphone 1 is used for receiving voice instructions, the loudspeaker 2 is used for sending feedback sound, the shell comprises a rear shell 3, a panel cover plate 4, a frame 5 and a panel 7 which are sequentially connected, a key PCB (printed circuit board) 6 is arranged between the frame 5 and the panel cover plate 4, the microphone 1 and the loudspeaker 2 are respectively arranged on the key PCB 6, a strip-shaped sound transmission hole 8 is arranged on the panel 7, a microphone accommodating chamber 9 for accommodating the microphone 1 and a loudspeaker chamber for accommodating the loudspeaker 2 are arranged on the frame 5, one end of the sound transmission hole 8 is communicated with the microphone accommodating chamber 9, the other end of the sound transmission hole 8 is communicated with the loudspeaker chamber, the loudspeaker chamber is formed by sequentially connecting a rear sound cavity 10, an accommodating cavity 11, a front sound cavity 12 and a sound output cavity 13, the cross section of the rear sound cavity 10 is larger than the cross section of the accommodating cavity 11, the cross section of the front sound cavity 12 is smaller than the cross section of the accommodating cavity 11, the cross section of the front sound cavity 11 is larger than the cross section of the sound output cavity 11 and is larger than the cross section of the loudspeaker cavity 11 and is accommodated in the cross section of the front sound cavity 11 and is larger than the cross section of the loudspeaker cavity 2 and is accommodated in the cross section of the cross section 11.

Further, a sound amplifying cavity 14 is arranged on one side of the speaker chamber, and the sound amplifying cavity 14 is communicated with the rear sound cavity 10. The main part of the original sound emitted by the loudspeaker 2 is transmitted to the amplifying cavity 14 through the rear sound cavity 10, and the secondary part of the original sound directly enters the front sound cavity 12; the main part of the original sound starts to oscillate after being transmitted to the sound amplifying cavity 14 through the back sound cavity 10, the effects of amplifying the volume and adjusting the tone are achieved, the tone formed by the small size of the sound amplifying cavity 14 is higher, the tone formed by the large size space of the sound amplifying cavity is lower, and the amplified volume is slightly different along with the space size of the sound amplifying cavity 14. The amplified sound and the secondary part of the original sound enter the front sound cavity 12 and are emitted from the sound transmission hole 8 after passing through the sound outlet cavity 13. The inside original sound that can send loudspeaker 2 of voice remote switch's casing can vibrate like this, forms the processing effect to sound in the traditional audio amplifier, and sound is more muddy, volume is big.

Further, a functional board 15 is fixedly connected to one side of the frame 5, the microphone accommodating chamber 9, the loudspeaker chamber and the amplifying cavity 14 are respectively located on the functional board 15, the key PCB 6 covers the back of the functional board 15, and the key PCB 6 is connected with the functional board 15 through a plurality of screws.

Further, dustproof cotton 16 is arranged between the panel and the functional board 15, and the dustproof cotton 16 covers the sound transmission hole 8. Dust-proof cotton 16 reduces the entry of dust and the like from the sound-transmitting hole 8 into the inside of the voice remote control switch.

Further, a power PCB 17 is installed in the rear housing 3, a rear housing cover 18 is disposed between the rear housing 3 and the panel cover 4, and the key PCB 6 is fixedly connected with the rear housing cover 18.

It should be noted that technical features such as a microphone, a loudspeaker, a key PCB board, a power PCB board and the like related to the present application should be regarded as the prior art, and specific structures, working principles, and control modes and spatial arrangement modes possibly related to the technical features should be selected conventionally in the art, and should not be regarded as the utility model point of the present application, and the present application is not further specifically developed in detail.

While the preferred embodiments of the present utility model have been described in detail, it should be appreciated that numerous modifications and variations may be made in accordance with the principles of the present utility model by those skilled in the art without undue burden, and thus, all technical solutions which may be obtained by logic analysis, reasoning or limited experimentation based on the principles of the present utility model as defined by the claims are within the scope of protection as defined by the present utility model.

Claims (5)

1. The utility model provides a can improve pronunciation effect's voice remote control switch, voice remote control switch is including casing and microphone, the loudspeaker of locating in the casing, and the microphone is used for receiving voice command, and loudspeaker is used for sending the feedback sound, the casing is including backshell, panel apron, frame and the panel that connect gradually, its characterized in that, be equipped with button PCB board between frame and the panel apron, microphone and loudspeaker are installed respectively on button PCB board, be equipped with rectangular sound penetrating hole on the panel, be equipped with the microphone accommodation chamber that supplies the microphone to put into and the loudspeaker room that supplies the loudspeaker to put into on the frame, the one end intercommunication microphone accommodation chamber of sound penetrating hole, the other end intercommunication loudspeaker room of sound penetrating hole, loudspeaker room is by back sound chamber, hold chamber, preceding sound chamber and sound outlet chamber connect gradually the constitution, the cross section of back sound chamber is greater than the cross section that holds the chamber, and the cross section that goes out the sound chamber is greater than the cross section that holds the chamber, the cross section that the loudspeaker is less than the cross section that holds the chamber and is greater than the sound chamber of preceding sound chamber, loudspeaker is equipped with the sound penetrating hole is inserted from the sound chamber after the sound penetrating hole.

2. The voice remote control switch capable of improving sound production effect according to claim 1, wherein a sound amplifying cavity is arranged on one side of the speaker chamber, and the sound amplifying cavity is communicated with the rear sound cavity.

3. The voice remote control switch capable of improving the sound production effect according to claim 2, wherein a functional board is fixedly connected to one side of the frame, the microphone accommodating chamber, the loudspeaker chamber and the sound amplifying cavity are respectively located on the functional board, the key PCB covers the back of the functional board, and the key PCB is connected with the functional board through a plurality of screws.

4. A voice remote control switch capable of improving a sound producing effect as claimed in claim 3, wherein a dustproof cotton is provided between the panel and the function board, and covers the sound transmission hole.

5. The voice remote control switch capable of improving the sound effect according to claim 4, wherein a power supply PCB is installed in the rear shell, a rear shell cover plate is arranged between the rear shell and the panel cover plate, and the key PCB is fixedly connected with the rear shell cover plate.

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