CN213751956U

CN213751956U - Voice recognition system of intelligent closestool knob switch

Info

Publication number: CN213751956U
Application number: CN202021824693.3U
Authority: CN
Inventors: 周志国; 刘玉节; 余炳柱; 袁建波
Original assignee: Yuyao Tianshi Electronic Technology Co ltd
Current assignee: Yuyao Tianshi Electronic Technology Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-07-20
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a voice recognition system of an intelligent closestool knob switch, which comprises a knob switch, an MCU controller, a voice recognition conversion unit and a voice recognition input unit, wherein the voice recognition input unit comprises a microphone, wherein an eighth resistor, a thirteenth resistor and a twelfth resistor are sequentially connected in series, the other end of the twelfth resistor is connected with a grounding terminal, the other end of the eighth resistor is connected with the grounding terminal through a seventeenth capacitor, the common end of the eighth resistor and the thirteenth resistor is connected with one end of the microphone, the common end of the thirteenth resistor and the twelfth resistor is connected with the other end of the microphone, the common end of the eighth resistor and the thirteenth resistor is also connected with one input end of the voice recognition conversion unit through a nineteenth capacitor, the common end of the thirteenth resistor and the twelfth resistor is also connected with the other input end of the voice recognition conversion unit through a nineteenth capacitor, and the common end of the eighth resistor and the seventeenth capacitor is connected with the voice recognition conversion unit. This structure is convenient operation.

Description

Voice recognition system of intelligent closestool knob switch

Technical Field

The utility model relates to an intelligent closestool knob switch's technical field, especially an intelligent closestool knob switch's speech recognition system.

Background

At present, the conventional intelligent closestool knob switch internally comprises the following small components: the circuit board, magnet, hall sensor, touch button and some other structures are constituteed. The user sends different data signals through operating the knob switch to enable the main board to execute corresponding functions.

The traditional intelligent closestool operation control mode generally has two ways: (1) the control of the mainboard is realized through a remote controller; (2) the control of the closestool mainboard is realized through the knob switch. Wherein: the knob switch only has a clockwise key, a counterclockwise key and a main key, and can only perform some simple basic function controls. Therefore, how to overcome the defects of human-computer interaction experience in the process of using the intelligent closestool knob switch is particularly important, and the disadvantage that the intelligent closestool can be operated only by turning the body is particularly important.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned prior art and providing one kind can come the discernment through pronunciation, improves the speech recognition system of an intelligent closestool knob switch of operation convenience.

In order to achieve the above object, the present invention provides a voice recognition system for a knob switch of an intelligent toilet, comprising a knob switch and an MCU controller electrically connected to the knob switch and capable of switching toilet functions according to the rotation change of the knob switch, wherein the knob switch is internally provided with a voice recognition conversion unit in communication connection with the MCU controller, a voice recognition input unit is disposed on a housing of the knob switch, the voice recognition input unit comprises a microphone MIC, a seventeenth capacitor C17, a nineteenth capacitor C19, an eighteenth capacitor C18, an eighth resistor R8, a thirteenth resistor R13 and a twelfth resistor R12, wherein an eighth resistor R8, a thirteenth resistor R13 and a twelfth resistor R12 are sequentially connected in series, the other end of the twelfth resistor R12 is connected to a ground terminal, the other end of the eighth resistor R8 is connected to the ground terminal through a seventeenth capacitor C17, the common end of the eighth resistor R8 and the thirteenth resistor R13 is connected with one end of a microphone MIC, the common end of the thirteenth resistor R13 and the twelfth resistor R12 is connected with the other end of the microphone MIC, the common end of the eighth resistor R8 and the thirteenth resistor R13 is also connected with one input end of a voice recognition conversion unit through a nineteenth capacitor C19, the common end of the thirteenth resistor R13 and the twelfth resistor R12 is also connected with the other input end of the voice recognition conversion unit through a nineteenth capacitor C19, and the common end of the eighth resistor R8 and the seventeenth capacitor C17 is connected with the voice recognition conversion unit.

Preferably, for convenience of operation, the voice recognition input unit includes an offline voice cost performance chip U2 of model LS 416.

Preferably, in order to facilitate the later updating of the voice data, the off-line voice cost-effective chip U2 is connected with a serial port connection module for updating the downloaded voice packet.

Preferably, a level shift circuit is connected to the offline voice cost-effective chip U2, the level shift circuit includes a ninth resistor R9, a fourteenth resistor R14, a second diode D2, and a first diode D1, the ninth resistor R9 and the second diode D2 are connected in series between the VDD voltage of 3.3V and the transmission pin TX, the fourteenth resistor R14 and the first diode D1 are connected in series between the 5V supply voltage and the reception pin RX, a common end of the fourteenth resistor R14 and the first diode D1 is connected to the TXD1 port of the offline voice cost-effective chip U2, and a common end of the ninth resistor R9 and the second diode D2 is connected to the RXD1 port of the offline voice cost-effective chip U2.

Compared with the prior art, the utility model discloses a beneficial effect is:

(1) when a user uses the knob switch to control the machine, the user does not need to turn around, and only needs to speak out the voice control command words, so that the user experience is enhanced; (2) because the speech recognition system is designed on the knob switch, an opening is not required to be additionally arranged on the traditional intelligent closestool, the later-stage processing is facilitated, the structural part design of the closestool is ensured to be simpler, and the intelligent closestool manufacturer can conveniently upgrade and upgrade the product functions on the original closestool structural part.

Drawings

Fig. 1 is a schematic structural diagram of a voice recognition system of an intelligent toilet knob switch in this embodiment 1, which does not include a serial port connection module and a level conversion circuit;

fig. 2 is a schematic circuit diagram of the speech recognition conversion unit and the serial port connection module in this embodiment 1;

FIG. 3 is a schematic diagram of a level shift circuit in the present embodiment 1;

fig. 4 is a schematic diagram of the speech recognition input unit in the embodiment 1.

In the figure: the device comprises a knob switch 1, an MCU (microprogrammed control Unit) controller 2, a voice recognition conversion unit 3, a voice recognition input unit 4, a serial port connection module 5 and a level conversion circuit 6.

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.

Example 1:

referring to fig. 1 to 4, the present embodiment provides a voice recognition system for a knob switch of an intelligent toilet, including a knob switch 1 and an MCU controller 2 electrically connected to the knob switch 1 and capable of switching toilet functions according to rotation changes of the knob switch 1, a voice recognition conversion unit 3 communicatively connected to the MCU controller 2 is disposed in the knob switch 1, a voice recognition input unit 4 is disposed on a housing of the knob switch 1, the voice recognition input unit 4 includes a microphone MIC, a seventeenth capacitor C17, a nineteenth capacitor C19, an eighteenth capacitor C18, an eighth resistor R8, a thirteenth resistor R13, and a twelfth resistor R12, wherein the eighth resistor R8, the thirteenth resistor R13, and the twelfth resistor R12 are sequentially connected in series, the other end of the twelfth resistor R12 is connected to a ground terminal, the other end of the eighth resistor R8 is connected to the ground terminal through a seventeenth capacitor C17, the common end of the eighth resistor R8 and the thirteenth resistor R13 is connected with one end of a microphone MIC, the common end of the thirteenth resistor R13 and the twelfth resistor R12 is connected with the other end of the microphone MIC, the common end of the eighth resistor R8 and the thirteenth resistor R13 is further connected with one input end of the voice recognition conversion unit 3 through a nineteenth capacitor C19, the common end of the thirteenth resistor R13 and the twelfth resistor R12 is further connected with the other input end of the voice recognition conversion unit 3 through a nineteenth capacitor C19, and the common end of the eighth resistor R8 and the seventeenth capacitor C17 is connected with the voice recognition conversion unit 3.

Preferably, for convenience of operation, the speech recognition input unit 4 includes an offline speech cost performance chip U2 of model LS 416.

Preferably, in order to facilitate the later-stage updating of the voice data, the serial connection module 5 for updating the downloaded voice packet is connected to the offline voice cost-effective chip U2, and the voice recognition data is updated conveniently in the later stage by arranging the serial connection module 5.

Preferably, a level shift circuit 6 is connected to the off-line voice cost-effective chip U2, the level shift circuit 6 includes a ninth resistor R9, a fourteenth resistor R14, a second diode D2, and a first diode D1, the ninth resistor R9 and the second diode D2 are connected in series between the VDD voltage of 3.3V and the transmission pin TX, the fourteenth resistor R14 and the first diode D1 are connected in series between the supply voltage of 5V and the reception pin RX, a common end of the fourteenth resistor R14 and the first diode D1 is connected to the TXD1 port of the off-line voice cost-effective chip U2, a common end of the ninth resistor R9 and the second diode D2 is connected to the RXD1 port of the off-line voice cost-effective chip U2, the level shift circuit 6 is formed by basic components, so that it has an advantage of low cost, the level shift circuit 6 realizes level shift to a suitable off-line voltage, meanwhile, the output of the level conversion circuit 6 is connected with a communication port to form an interface circuit for serial communication, so that the mutual conversion process between communication levels is realized, and the normal data communication is ensured.

Above-mentioned structure realizes that the position of a fixed microphone of installation is opened in traditional rotary switch's the mould shell, then arrange speech recognition input unit 4 in on this position, set up a speech recognition converting unit 3 in rotary switch's the mould shell simultaneously, the realization realizes the intelligent control process to the closestool through speech recognition, because speech recognition input unit 4 is put in the rotary switch of innovation, so do not need on pottery or working of plastics trompil in the structural design of intelligent closestool itself, the structural design of simplification, make and install speech recognition system more simple and conveniently additional on the intelligent closestool structure of having gone on the market, need not change the mould, only need change an innovation rotary switch can, the time-to-market of new product has been shortened.

It should be noted in this embodiment that how the off-line speech cost performance chip U2 obtains speech data and converts the speech data and sends the speech data to the MCU controller 2 belongs to the conventional technology in the art and is not described in detail.

In order to solve the problem that a microphone is positioned in a closed space and is far away from a sound source to cause difficulty in sound pickup and speech recognition when a traditional speech recognition module is placed in a closestool, the invention provides a mode of taking a knob switch (1) assembly arranged on the outer side of the closestool as a medium, so that speech recognition can be conveniently and accurately carried out, and the success rate of the speech recognition is improved.

The beneficial effects of the invention are as follows: (1) when a user uses the knob switch to control the machine, the user does not need to turn around, and only needs to speak out the voice control command words, so that the user experience is enhanced; (2) because the speech recognition system is designed on the knob switch, an opening is not required to be additionally arranged on the traditional intelligent closestool, the later-stage processing is facilitated, the structural part design of the closestool is ensured to be simpler, and the intelligent closestool manufacturer can conveniently upgrade and upgrade the product functions on the original closestool structural part.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence closestool knob switch's speech recognition system, includes a knob switch (1) and can carry out MCU controller (2) that the closestool function switched according to the rotatory change of knob switch (1) after being connected with knob switch (1), its characterized in that: a voice recognition conversion unit (3) which is in communication connection with the MCU controller (2) is arranged in the knob switch (1), a voice recognition input unit (4) is arranged on a shell of the knob switch (1), the voice recognition input unit (4) comprises a microphone MIC, a seventeenth capacitor C17, a nineteenth capacitor C19, an eighteenth capacitor C18, an eighth resistor R8, a thirteenth resistor R13 and a twelfth resistor R12, wherein an eighth resistor R8, a thirteenth resistor R13 and a twelfth resistor R12 are sequentially connected in series, the other end of the twelfth resistor R12 is connected with a grounding terminal, the other end of the eighth resistor R8 is connected with the grounding terminal through a seventeenth capacitor C17, the common end of the eighth resistor R8 and the thirteenth resistor R13 is connected with one end of the microphone MIC, the common end of the thirteenth resistor R13 and the twelfth resistor R12 is connected with the other end of the microphone MIC, and the common end of the eighth resistor R8 and the thirteenth resistor R13 is also connected with the nineteenth capacitor C363 conversion unit (19) And the common end of the thirteenth resistor R13 and the twelfth resistor R12 is also connected with the other input end of the voice recognition conversion unit (3) through a nineteenth capacitor C19, and the common end of the eighth resistor R8 and the seventeenth capacitor C17 is connected with the voice recognition conversion unit (3).

2. The voice recognition system of the intelligent closestool knob switch of claim 1, wherein: the speech recognition input unit (4) comprises an off-line speech cost performance chip U2 with the model LS 416.

3. The voice recognition system of the intelligent closestool knob switch of claim 2, wherein: and a serial port connection module (5) for updating and downloading the voice packets is connected to the off-line voice cost-effective chip U2.

4. The voice recognition system of the intelligent closestool knob switch of claim 2, wherein: a level conversion circuit (6) is connected to the offline voice cost-effective chip U2, the level conversion circuit (6) includes a ninth resistor R9, a fourteenth resistor R14, a second diode D2, and a first diode D1, the ninth resistor R9 and the second diode D2 are connected in series between the VDD voltage of 3.3V and the transmission pin TX, the fourteenth resistor R14 and the first diode D1 are connected in series between the 5V supply voltage and the reception pin RX, a common end of the fourteenth resistor R14 and the first diode D1 is connected to a TXD1 port of the offline voice cost-effective chip U2, and a common end of the ninth resistor R9 and the second diode D2 is connected to an RXD1 port of the offline voice cost-effective chip U2.