CN218958989U

CN218958989U - WIFI module and intelligent TV that possess pronunciation acquisition function

Info

Publication number: CN218958989U
Application number: CN202222593164.2U
Authority: CN
Inventors: 秦楠; 熊运自; 高照
Original assignee: Huizhou Gaoshengda Technology Co Ltd
Current assignee: Huizhou Gaoshengda Technology Co Ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-05-02
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to the technical field of signal circuits, in particular to a WIFI module with a voice acquisition function, which comprises four MEMS microphones and a WIFI chip, wherein the four MEMS microphones are distributed in a linear array at equal intervals, every two MEMS microphones share one data line in a group according to the arrangement sequence, the four MEMS microphones share one clock line, the clock sets the time for outputting binary data of the MEMS microphones, the two groups of MEMS microphones are respectively positioned at the left side and the right side of the module, the two MEMS microphones transmit data when the clock is at a high level, and the other two MEMS microphones transmit data when the clock is at a low level.

Description

WIFI module and intelligent TV that possess pronunciation acquisition function

Technical Field

The utility model relates to the technical field of signal circuits, in particular to a WIFI module with a voice acquisition function and an intelligent television.

Background

The development of internet technology has been that the WIFI module has become an integral part of people's work, life. The WIFI module can link with various terminal devices, for example, the WIFI module links with the terminal device television, so that the terminal device television has a wireless signal receiving and transmitting function, and the terminal device television can surf the internet.

However, the existing WIFI module has some defects, and the existing WIFI module is a small electronic device for receiving and transmitting wireless signals, has a single function, and cannot complete interactive control with the terminal equipment television through voice.

Therefore, a WIFI module with a built-in voice acquisition system is designed

Disclosure of Invention

In order to solve the problems, the utility model provides the WIFI module with the voice acquisition function, which has strong anti-interference capability and wide coverage range.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a WIFI module that possesses voice acquisition function, includes voltage stabilizing circuit, voice acquisition system and WIFI chip, the WIFI chip is WIFI-6 chip, voice acquisition system comprises four MEMS microphones, four the MEMS microphone is linear array equidistance and arranges, four the MEMS microphone falls into two sets of, two sets of the MEMS microphone is located both sides about the module respectively, every two the MEMS microphone is used for respectively when high level and low level to WIFI chip transmission data, voltage stabilizing circuit with WIFI chip electric connection.

Alternatively, in an embodiment of the present utility model, the four MEMS microphones share the same clock line.

Alternatively, in an embodiment of the present utility model, four MEMS microphones are grouped in an arrangement sequence of every two MEMS microphones.

Alternatively, in an embodiment of the present utility model, each two MEMS microphones share the same data line.

Optionally, in an embodiment of the present utility model, a patch connector is provided between the WIFI module and the external host device for connection.

Optionally, in an embodiment of the present utility model, the WIFI chip is further connected to a four-terminal crystal oscillator.

Optionally, in an embodiment of the present utility model, the voltage stabilizing circuit includes a power management IC, where the power management IC is a RT8097CHGB switching regulator, and the power management IC outputs a 3.3V operating voltage.

The set top box comprises a WIFI module, wherein the WIFI module is the WIFI module with the voice acquisition function.

The utility model has the beneficial effects that

Compared with the traditional WIFI module, the WIFI module with the voice acquisition function adopts the WIFI-6 chip and has high transmission rate of WIFI6, the voice acquisition system is arranged in the scheme, the voice acquisition accuracy is improved, the voice recognition effect is improved, the 4 microphone layout of the voice acquisition system adopts a linear four-microphone array configuration, and the single WIFI module has the voice recognition function by combining clock signals of an external host device end.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic diagram of a module according to an embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram of a WIFI-6 chip according to embodiment 1 of the present utility model;

FIG. 3 is a speech acquisition system intent of embodiment 1 of the present utility model;

FIG. 4 is a schematic diagram of a crystal oscillator according to embodiment 1 of the present utility model;

FIG. 5 is a schematic diagram of a voltage stabilizing circuit according to embodiment 1 of the present utility model;

fig. 6 is a schematic diagram of a patch connector according to embodiment 1 of the present utility model.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Example 1

Based on the singleness of current WIFI module function, the WIFI module of contained voice acquisition system has been designed, and design scheme is as follows specifically:

as shown in fig. 1, the utility model provides a WIFI module with a voice acquisition function, which comprises a voltage stabilizing circuit, a voice acquisition system and a WIFI chip.

As shown in fig. 2-5, in this embodiment, the module uses a 3.3V operating voltage, and the operating voltage is provided by an external host device, which provides a voltage to the internal circuit through the patch connector.

The WIFI chip is a WIFI-6 chip, and a patch connector is arranged between the WIFI-6 module and external host equipment and used for connection.

As shown in fig. 1 to 5, in this embodiment, the voice acquisition system is composed of four MEMS microphones, the four MEMS microphones are respectively a first microphone, a second microphone, a third microphone and a fourth microphone, and UV4, UV5, UV6 and UV7 respectively represent the first microphone, the second microphone, the third microphone and the fourth microphone, and the four MEMS microphones are arranged in a linear array at equal intervals, and are divided into two groups, specifically, each two MEMS microphones are in an arrangement order of four MEMS microphones, and in this embodiment, each two MEMS microphones are in a group of four MEMS microphones in an arrangement order of left to right.

The two groups of MEMS microphones are respectively located at the left side and the right side of the module, each two MEMS microphones are respectively used for transmitting data to the WIFI chip when in high level and low level, specifically, in the embodiment, the first microphone and the second microphone are in one group, are located at the left side of the module, the third microphone and the fourth microphone are in one group, are located at the right side of the module, the second microphone and the fourth microphone are used for transmitting data when in high level, the first microphone and the third microphone are used for transmitting data when in low level, the microphones convert collected analog signals into digital signals, namely PDM data are transmitted to a control center of host equipment for decoding, and then corresponding control instructions are sent through the control center to complete interaction of the voice control host equipment. The DATA ends DATA of UV4 and UV5 are connected with the MIC_DATA0 of the patch connector, the DATA segments DATA of UV6 and UV7 are connected with the MIC_DATA1 of the patch connector, and the clock ends of UV4, UV5, UV6 and UV7 are connected with the MIC_CLK of the patch connector.

The voltage input ends of UV4, UV5, UV6 and UV7 are respectively connected with filter capacitors C11, C12, C13 and C14, a pull-up resistor RV09 is connected in series between the selection end SELECT of UV5 and the voltage input end VDD, a pull-up resistor RV015 is connected in series between the selection end SELECT of UV7 and the voltage input end VDD, a pull-down resistor RV12 is connected in series with the selection end SELECT of UV4, and a pull-down resistor RV18 is connected in series with the selection end SELECT of UV6

As shown in fig. 1-6, the four MEMS microphones share the same clock line, the clock sets the time of binary data output of the microphones, and a clock signal is transmitted to the microphones through the patch connector, so that the microphones work, and the clock signal is from an external host device.

Each group of MEMS microphones shares the same data line.

Be equipped with the paster connector between WIFI-6 module and the outside host computer equipment and be used for connecting, specifically, in practical application, the module accessible USB interface of this application is connected with host computer equipment, say: television, etc.

As shown in fig. 6, in the present embodiment, the patch connector includes two USB differential lines for USB communication, and further includes two sets of DATA transmission lines mic_data1, mic_data0 and clock line mic_clk of the microphones.

As shown IN fig. 4, the WIFI chip is further connected with a four-terminal crystal oscillator, specifically, IN this embodiment, the 3 pin and the 1 pin of the four-terminal crystal oscillator are respectively connected with the serial clock input end xo_in and the serial data input end xo_ip of the WIFI chip, and the four-terminal crystal oscillator provides a basic working clock for the WIFI chip, so as to ensure stability of frequency.

The voltage stabilizing circuit is electrically connected with the WIFI chip, and specifically, the output end of the switching voltage stabilizer is connected with the voltage input end of the WIFI chip.

As shown in fig. 5, the voltage stabilizing circuit includes a power management IC, which is a RT8097CHGB switching voltage stabilizer, and the power management IC stably outputs a 3.3V operating voltage, and an input terminal VIN of the power management IC is connected to an external host device terminal through a patch connector.

Compared with the traditional WIFI module, the WIFI module with the voice acquisition function comprises the voice acquisition system, the voice acquisition accuracy rate and the voice recognition effect are improved, the four-microphone layout of the voice acquisition system adopts a linear array configuration, and the single WIFI module has the voice recognition function by combining clock signals of an external host device end, and in practical application, a loudspeaker is located at the host device end, so that vibration coupling caused by the loudspeaker can be prevented from affecting microphones.

In an embodiment, an intelligent television comprises a WIFI module, wherein the WIFI module is the WIFI module with the voice acquisition function in embodiment 1, in the embodiment, the WIFI module is a built-in WIFI module of the intelligent television, the WIFI module can provide acquired sound analog signals for the intelligent television, the intelligent television is controlled by user voice, the intelligent television is more convenient to use, and the intelligent television can receive wireless network signals through the built-in WIFI module to realize networking.

Although the present utility model has been described in terms of the preferred embodiments, it should be understood that the present utility model is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a WIFI module that possesses voice acquisition function, its characterized in that, includes voltage stabilizing circuit, voice acquisition system and WIFI chip, the WIFI chip is WIFI-6 chip, voice acquisition system is become by four MEMS voice acquisition system, four MEMS microphone is linear array equidistance and arranges, four MEMS microphone falls into two sets of, two sets of MEMS microphone is located the module respectively and controls both sides, every two MEMS microphone is used for respectively when high level and low level to WIFI chip transmission data, voltage stabilizing circuit with WIFI chip electric connection.

2. The WIFI module with voice acquisition function according to claim 1, wherein: the four MEMS microphones share the same clock line.

3. The WIFI module with voice acquisition function according to claim 2, wherein: four MEMS microphones are arranged in an order of one group for every two MEMS microphones.

4. A WIFI module with voice acquisition function according to claim 3, characterized in that: each two MEMS microphones share the same data line.

5. The WIFI module with voice acquisition function according to claim 1, wherein: and a patch connector is arranged between the WIFI module and the external host equipment and used for connection.

6. The WIFI module with voice acquisition function according to claim 1, wherein: and the WIFI chip is also connected with a four-terminal crystal oscillator.

7. The WIFI module with voice acquisition function according to claim 1, wherein: the voltage stabilizing circuit comprises a power management IC, wherein the power management IC is a RT8097CHGB switching voltage stabilizer, and the power management IC outputs 3.3V working voltage.

8. An intelligent television, includes the WIFI module, its characterized in that, the WIFI module is the WIFI module that possesses voice acquisition function of any one of claims 1-7.