CN211556343U

CN211556343U - Voice socket

Info

Publication number: CN211556343U
Application number: CN202020490791.1U
Authority: CN
Inventors: 苏海鹏; 彭媛; 林仕平; 操灿; 方律
Original assignee: Hefei Feier Intelligent Technology Co ltd
Current assignee: Hefei Feier Intelligent Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-09-22
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a voice socket, including shell, plug, set up main control board, bottom plate and the microphone board in the shell inside, integrated voice control circuit on the main control board and DC transformer, infrared circuit, IOT module, the power amplifier module of being connected with the voice control circuit electricity, the bottom plate is connected through first draw-in groove with the main control board, first draw-in groove is equipped with the electrode, the microphone board includes the microphone array of being connected with the voice control circuit electricity, the microphone board is connected through the second draw-in groove with the main control board, the second draw-in groove is equipped with the electrode, the bottom surface in the outside of shell is fixed through the third draw-in groove to the plug, the bottom plate with the plug is connected; the utility model has the advantages that: realize long-range speech control, directly control the switch and the operation of electrical apparatus through socket ontology, but exclusive use.

Description

Voice socket

Technical Field

The utility model relates to a voice control field, more specifically relates to a voice socket.

Background

The intelligent socket is an energy-saving socket, and can save the power consumption of household appliances. Compare with traditional electrician's socket, smart jack passes through the switch or the disconnection that modes such as bluetooth, wiFi can remote control socket. However, the existing control method of the intelligent voice socket is simple, and cannot realize complex control, such as control of the running state of an air conditioner. Moreover, most of the existing smart sockets need to perform corresponding control operation through the client of the smart phone, and cannot be used independently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that prior art pronunciation socket can not realize complicated control, problem that can not the exclusive use.

The utility model discloses a following technical means realizes solving above-mentioned technical problem: the utility model provides a voice socket, includes shell, plug, sets up in inside main control board, bottom plate and the microphone board of shell, integrated voice control circuit on the main control board and dc transformer, infrared circuit, IOT module, the power amplifier module of being connected with the voice control circuit electricity, the bottom plate is connected through first draw-in groove with the main control board, first draw-in groove is equipped with the electrode, the microphone board includes the microphone array of being connected with the voice control circuit electricity, the microphone board passes through the second draw-in groove with the main control board and is connected, the second draw-in groove is equipped with the electrode, the bottom surface in the shell outside is fixed through the third draw-in groove to the plug, the bottom plate with the plug connection.

The utility model discloses a microphone array and speech control circuit's design, the microphone array detects the speech signal and sends speech control circuit and speech recognition with speech signal afterwards, discerns the speech signal after control infrared circuit and sends the transmission infrared signal, domestic equipment such as air conditioner receives infrared signal, realizes long-range speech control, need not the user and is close to the socket, also need not the customer end through the cell-phone, directly controls the switch and the operation of electrical apparatus through socket ontology, but exclusive use.

Further, the bottom plate includes strong electric zone and weak electric zone, strong electric zone includes rectifier transformer that is connected with the direct current transformer electricity and the power acquisition circuit who is connected with the speech control circuit electricity, weak electric zone includes the infrared transmitting circuit who is connected with infrared circuit electricity, the plug is three hole plugs, and rectifier transformer's input is connected with the zero line and the live wire electricity of three hole plugs.

Furthermore, the voice socket further comprises a loudspeaker electrically connected with the power amplifier module, and the loudspeaker is fixed at the position of the ventilation hole in the right side face inside the shell through a buckle.

Furthermore, the voice socket further comprises a composite function key and an indicator light, wherein the composite function key is electrically connected with the voice control circuit, the composite function key is arranged on the rear side face of the shell, and the indicator light is arranged on the upper surface of the shell.

Further, the IOT module comprises WIFI and Bluetooth, the voice control circuit is in communication connection with the cloud server through the WIFI, and the cloud server is in communication connection with the third-party server.

Further, the voice control circuit comprises a voice chip, the model of the voice chip is CSK4002, the microphone array comprises two digital microphones, and a digital audio interface of the voice chip is connected with the output of the digital microphones.

Furthermore, the power acquisition circuit comprises a resistor R22 to a resistor R36, a capacitor C10 to a capacitor C14, a triode Q3 and a chip U4 which are numbered sequentially, wherein a first pin of the chip U4 is connected with one end of the capacitor C13 and a +5V power supply, one end of the resistor R23 and one end of the resistor R22 are both connected with a zero line of a strong electric area, the other end of the resistor R23 is respectively connected with one end of the capacitor C10 and a second pin of the chip U4, the other ends of the resistor R22 and the resistor R24 are both connected with the zero line of the power supply and grounded, the other end of the resistor R24 is respectively connected with one end of the capacitor C11 and a third pin of the chip U4, and the other end of the capacitor C11 is connected with the other end of the capacitor C10 and grounded; the sequentially numbered resistors R25 and R28 are connected in series, the non-series end of the resistor R25 is connected with a live wire of a power supply, and one end of the resistor R29, one end of the capacitor C12 and the fourth pin of the chip U4 are connected with the non-series end of the resistor R28;

one end of the resistor R35 is connected with a +5V power supply, the other end of the resistor R35 is connected with the collector of the triode Q3, and one end of the resistor R36, one end of the capacitor C14 and one end of the resistor R34 are connected with the base of the triode Q3; one end of the resistor R30 is connected with a seventh pin of the chip U4, one end of the resistor R31 is connected with a sixth pin of the chip U4, and the other end of the resistor R34, the other end of the resistor R30 and the other end of the resistor R31 are connected with a GPIO port of the voice control circuit; one end of the resistor R32 is connected with the other end of the resistor R31, and one end of the resistor R33 is connected with the other end of the resistor R30; the other end of the capacitor C13, the other end of the resistor R29, the other end of the capacitor C12, the emitter of the transistor Q3, the other end of the resistor R36, the other end of the capacitor C14, the fifth pin of the chip U4, the other end of the resistor R32 and the other end of the resistor R33 are all grounded.

Further, the infrared circuit comprises a resistor R8-a resistor R12, a chip U3, a capacitor C8 and a capacitor C9 which are numbered sequentially, one end of the resistor R8 and one end of the resistor R9 are both connected with a +3.3V power supply, the other end of the resistor R8 is connected with one end of the resistor R11 and connected with an I2C interface of the voice control circuit, and the other end of the resistor R9 is connected with one end of the resistor R10 and connected with an I2C interface of the voice control circuit; the other end of the resistor R10 is connected with a first pin of the chip U3, the other end of the resistor R11 is connected with a second pin of the chip U3, one end of the resistor R12 is connected with a GPIO port of the voice control circuit, and the other end of the resistor R12 is connected with a fourth pin of the chip U3; one end of the capacitor C8, one end of the capacitor C9 and the tenth pin of the chip U3 are connected in parallel with a +3.3V power supply, and the other end of the capacitor C8, the other end of the capacitor C9 and the eighth pin of the chip U3 are connected in parallel with ground.

Furthermore, the infrared emission circuit comprises a sequentially numbered resistor R13 to resistor R18, a sequentially numbered infrared emission tube IR1 to infrared emission tube IR5, a triode Q1, a diode D4 and a polar capacitor CE6, wherein the anode of the diode D4 is connected with a +12V power supply, the cathode of the diode is connected with the anode of the polar capacitor CE6 and one end of the resistor R17, and the sequentially numbered infrared emission tube IR1 to infrared emission tube IR5 are connected in series;

the non-series end of the infrared emission tube IR1 is connected with the other end of the resistor R17, the non-series end of the infrared emission tube IR5 is connected with the collector of the triode Q2, the base of the triode Q2 is connected with one end of the resistor R16 and one end of the resistor R18, the other end of the resistor R16 is connected with the collector of the triode Q1 and one end of the resistor R15, the emitter of the triode Q1 is connected with a +3.3V power supply, the base of the triode Q1 is connected with one end of the resistor R13, and the other end of the resistor R13 is connected with one end of the resistor R14 and the ninth pin of the chip U3; the other end of the resistor R14 is connected with a +3.3V power supply, and the cathode of the CE6, the emitter of the triode Q2, the other end of the resistor R18 and the other end of the resistor R15 are all grounded.

Further, the direct current transformer comprises a resistor R4 to a resistor R7 which are numbered sequentially, a capacitor C4 to a capacitor C7 which are numbered sequentially, a chip U2, an inductor L3 and a polar capacitor CE5, one end of the capacitor C4, one end of the resistor R4 and a fifth pin of the chip U2 are all connected with a +12V power supply, the other end of the resistor R4 is connected with one end of a resistor R5 and a fourth pin of the chip U2, one end of the capacitor C5 is connected with a first pin of the chip U2, and the other end of the capacitor C5 is connected with one end of the inductor L3 and a sixth pin of the chip U2 respectively; one end of the resistor R6, one end of the capacitor C6, one end of the capacitor C7 and the anode of the polar capacitor CE5 are connected with the other end of the inductor L3 and serve as +3.3V power interfaces; the other end of the capacitor C6 is connected with a third pin of the chip U2, and one end of the resistor R7 is connected with the other end of the resistor R6; the other end of the capacitor C4, the other end of the resistor R5, the second pin of the chip U2, the other end of the resistor R7, the other end of the capacitor C7, and the negative electrode of the polar capacitor CE5 are all grounded.

The utility model has the advantages that:

(1) the utility model discloses a microphone array and speech control circuit's design, the microphone array detects the speech signal and sends speech control circuit and speech recognition with speech signal afterwards, discerns the speech signal after control infrared circuit and sends the transmission infrared signal, domestic equipment such as air conditioner receives infrared signal, realizes long-range speech control, need not the user and is close to the socket, also need not the customer end through the cell-phone, directly controls the switch and the operation of electrical apparatus through socket ontology, but exclusive use.

(2) The power acquisition circuit adopts the ordinary GPIO of pronunciation chip to carry out the square wave count, replaces plus the ADC to carry out the mode of sampling, and the scheme is more succinct, and the cost is lower, and simultaneously, the power acquisition circuit carries out real-time collection to the power consumption data, sends the power consumption data to high in the clouds server and third party cloud through the IOT module, for the national grid provides the power consumption data, the national grid is according to the power consumption data, realizes the regulation and control of ubiquitous electric power thing networking user side.

(3) The infrared transmitting circuit adopts a series connection mode, and because the infrared transmitting tube belongs to a large-current device, the series connection reduces the invalid power loss compared with the parallel connection, thereby realizing the power balance.

(4) The voice chip adopts a digital microphone to pick up sound, so that the voice chip can effectively monitor the voice, eliminate the interference of environmental noise, close running electric appliances under the condition that a room is unmanned, realize the intelligent management of household equipment such as an air conditioner and the like, and achieve the purpose of intelligent power saving.

Drawings

Fig. 1 is a schematic mechanical structure diagram of a voice socket according to an embodiment of the present invention;

fig. 2 is a circuit architecture diagram of a voice socket according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a power acquisition circuit of a voice socket according to an embodiment of the present invention;

fig. 4 is an infrared circuit schematic diagram of a voice socket according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an infrared transmitting circuit of a voice socket according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a dc transformer of a voice socket according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a rectifier transformer of a voice socket according to an embodiment of the present invention;

fig. 8 is a schematic diagram of the voice control circuit, the microphone array, the power amplifier module and the speaker of the voice socket according to the embodiment of the present invention.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, a voice receptacle includes a housing 1, a plug 2, a main control board (not shown) disposed inside the housing 1, a bottom board (not shown), and a microphone board (not shown), wherein the housing 1 is an insulating and infrared transmitting material. Integrated voice control circuit 3 and direct current transformer 4, infrared circuit 5, IOT module 6, power amplifier module 7 of being connected with voice control circuit 3 electricity on the main control board, the bottom plate is connected through first draw-in groove (not shown) with the main control board, first draw-in groove is equipped with the electrode, the microphone board includes microphone array 8 of being connected with voice control circuit 3 electricity, the microphone board passes through second draw-in groove (not shown) with the main control board and is connected, the second draw-in groove is equipped with the electrode, plug 2 fixes the bottom surface in the outside of shell 1 through third draw-in groove (not shown), the bottom plate with plug 2 connects.

The bottom plate includes strong electric zone and weak electric zone, strong electric zone includes rectifier transformer 9 of being connected with direct current transformer 4 electricity and the power acquisition circuit 10 of being connected with voice control circuit 3 electricity, the weak electric zone includes the infrared transmitting circuit 11 of being connected with infrared circuit 5 electricity, plug 2 is three hole plugs, and rectifier transformer 9's input is connected with the zero line and the live wire electricity of three hole plugs. The voice socket further comprises a loudspeaker 12 electrically connected with the power amplifier module 7, and the loudspeaker 12 is fixed at the position of the ventilation hole in the right side face inside the shell 1 through a buckle.

The voice socket further comprises a composite function key 13 and an indicator light 14, wherein the composite function key 13 is electrically connected with the voice control circuit 3, the composite function key 13 is arranged on the rear side face of the shell 1, and the indicator light 14 is arranged on the upper surface of the shell 1.

The IOT module 6 is MK-QTWIFI-10 in model, the IOT module 6 comprises WIFI and Bluetooth, the voice control circuit 3 is in communication connection with the cloud server 15 through the WIFI, and the cloud server 15 is in communication connection with the third-party server 16.

The voice control circuit 3 comprises a voice chip, the model of the voice chip is CSK4002, the microphone array 8 comprises two digital microphones 17, the model of the digital microphone 17 is MA37H12H, the digital audio interface of the voice chip is connected with the output of the digital microphone 17, as shown in fig. 1, the voice control circuit further comprises jacks 19, and the electrodes of the jacks 19 correspond to the electrode positions of the plugs 2 one by one.

As shown in fig. 3, the power collecting circuit 10 includes a resistor R22 to a resistor R36 numbered sequentially, a capacitor C10 to a capacitor C14 numbered sequentially, a transistor Q3, and a chip U4, and the chip U4 is HLW 8012. The first pin of the chip U4 is connected with one end of a capacitor C13 and a +5V power supply, one end of a resistor R23 and one end of a resistor R22 are both connected with a zero line of a strong electric area, the other end of the resistor R23 is respectively connected with one end of a capacitor C10 and a second pin of a chip U4, the other end of the resistor R22 and one end of the resistor R24 are both connected with the zero line of the power supply and grounded, the other end of the resistor R24 is respectively connected with one end of the capacitor C11 and a third pin of the chip U4, and the other end of the capacitor C11 is connected with the other end of the capacitor C10 and grounded; the sequentially numbered resistors R25 and R28 are connected in series, the non-series end of the resistor R25 is connected with a live wire of a power supply, and one end of the resistor R29, one end of the capacitor C12 and the fourth pin of the chip U4 are connected with the non-series end of the resistor R28;

one end of the resistor R35 is connected with a +5V power supply, the other end of the resistor R35 is connected with the collector of the triode Q3, and one end of the resistor R36, one end of the capacitor C14 and one end of the resistor R34 are connected with the base of the triode Q3; one end of the resistor R30 is connected with a seventh pin of the chip U4, one end of the resistor R31 is connected with a sixth pin of the chip U4, and the other end of the resistor R34, the other end of the resistor R30 and the other end of the resistor R31 are connected with a GPIO port of the voice control circuit 3; one end of the resistor R32 is connected with the other end of the resistor R31, and one end of the resistor R33 is connected with the other end of the resistor R30; the other end of the capacitor C13, the other end of the resistor R29, the other end of the capacitor C12, the emitter of the transistor Q3, the other end of the resistor R36, the other end of the capacitor C14, the fifth pin of the chip U4, the other end of the resistor R32 and the other end of the resistor R33 are all grounded.

As shown in fig. 4, the infrared circuit 5 includes a resistor R8 to a resistor R12, a chip U3, a capacitor C8, and a capacitor C9 which are numbered sequentially, the type of the chip U3 is such that one end of the resistor R8 and one end of the resistor R9 are both connected to a +3.3V power supply, the other end of the resistor R8 is connected to one end of a resistor R11 and connected to the I2C interface of the voice control circuit 3, and the other end of the resistor R9 is connected to one end of the resistor R10 and connected to the I2C interface of the voice control circuit 3; the other end of the resistor R10 is connected with a first pin of the chip U3, the other end of the resistor R11 is connected with a second pin of the chip U3, one end of the resistor R12 is connected with a GPIO port of the voice control circuit 3, and the other end of the resistor R12 is connected with a fourth pin of the chip U3; one end of the capacitor C8, one end of the capacitor C9 and the tenth pin of the chip U3 are connected in parallel with a +3.3V power supply, and the other end of the capacitor C8, the other end of the capacitor C9 and the eighth pin of the chip U3 are connected in parallel with ground.

As shown in fig. 5, the infrared emitting circuit 11 includes a sequentially numbered resistor R13 to resistor R18, a sequentially numbered infrared emitting tube IR1 to infrared emitting tube IR5, a transistor Q1, a diode D4 and a polar capacitor CE6, an anode of the diode D4 is connected to a +12V power supply, a cathode of the diode is connected to an anode of the polar capacitor CE6 and one end of the resistor R17, and the sequentially numbered infrared emitting tube IR1 to infrared emitting tube IR5 are connected in series;

As shown in fig. 6, the dc transformer 4 includes a resistor R4 to a resistor R7, a capacitor C4 to a capacitor C7, a chip U2, an inductor L3, and a polar capacitor CE5, wherein one end of the capacitor C4, one end of the resistor R4, and a fifth pin of the chip U2 are all connected to a +12V power supply, the other end of the resistor R4 is connected to one end of a resistor R5 and a fourth pin of the chip U2, one end of the capacitor C5 is connected to a first pin of the chip U2, and the other end of the capacitor C5 is connected to one end of an inductor L3 and a sixth pin of the chip U2, respectively; one end of the resistor R6, one end of the capacitor C6, one end of the capacitor C7 and the anode of the polar capacitor CE5 are connected with the other end of the inductor L3 and serve as +3.3V power interfaces; the other end of the capacitor C6 is connected with a third pin of the chip U2, and one end of the resistor R7 is connected with the other end of the resistor R6; the other end of the capacitor C4, the other end of the resistor R5, the second pin of the chip U2, the other end of the resistor R7, the other end of the capacitor C7, and the negative electrode of the polar capacitor CE5 are all grounded.

As shown in fig. 7, the rectifier transformer 9 includes a fuse F1, an adjustable resistor RV1, sequentially numbered diodes D1 to D3, sequentially numbered resistors R1 to R3, sequentially numbered polar capacitors CE1 to polar capacitors CE4, sequentially numbered capacitors C1 to C3, an inductor L1, an inductor L2, and a chip U1, one end of the fuse F1 is connected to one end of a 90-260V ac power supply, the other end of the fuse F1 is connected to an anode of the diode D1 and one end of the adjustable resistor RV1, and the other end of the adjustable resistor RV1 is connected to the other end of the 90-260V ac power supply and a cathode of the polar capacitor CE 1; the cathode of the diode D1 is connected to the anode of the polar capacitor CE1 and one end of the inductor L1, and the other end of the inductor L1 is connected to the anode of the polar capacitor CE2 and the fourth pin of the chip U1; the anode of the diode D2, the cathode of the polar capacitor CE4, one end of the resistor R3 and one end of the capacitor C3 are all connected with the cathode of the polar capacitor CE 2; one end of the inductor L2, the anode of the polar capacitor CE4, the other end of the resistor R3 and the other end of the capacitor C3 are connected and used as a +12V power interface; the other end of the inductor L2, the cathode of the diode D2, the cathode of the polar capacitor CE3, one end of the capacitor C1, one end of the resistor R2 and one end of the capacitor C2 are all connected together; the anode of the diode D3 is connected with one end of the inductor L2, the cathode of the diode D3 is connected with the other end of the capacitor C2 and one end of the resistor R1, and the other end of the resistor R1 is connected with the other end of the resistor R2 and the other end of the capacitor C1; the other end of the capacitor C1 is connected with the second pin of the chip U1, and the anode of the polar capacitor CE3 is connected with the first pin of the chip U1; the fifth pin to the eighth pin of the chip U1 are connected to the negative electrode of the polarity capacitor CE 3.

As shown IN fig. 8, the digital microphone 17MU1 and the digital microphone 17MU2 are both connected to the voice chip, the GPIOA10, CLASSDM, and CLASSDP pins of the voice chip are respectively connected to the EN, IN-, and IN + pins of the power amplifier module 7 IN a one-to-one correspondence, the model of the power amplifier module 7 is HT6872, the output of the power amplifier module 7 is connected to the input of the SPEAKER 12SPEAKER, and the detailed connection relationship thereof is not described IN detail.

It should be noted that, although fig. 2 shows the smart voice socket APP, the present invention does not protect the smart voice socket APP, and the present application only protects the hardware circuit and the mechanical structure of the voice socket, and is not within the scope of the present application for software programming.

The utility model provides a pair of voice socket, design through microphone array 8 and speech control circuit 3, microphone array 8 detects speech signal and gives speech control circuit 3 with speech signal after the speech signal and carries out speech recognition, control infrared circuit 5 after the discernment speech signal and send transmission infrared signal, domestic equipment such as air conditioner 18 receives infrared signal, realize long-range speech control, need not the user and be close to the socket, also need not the customer end through the cell-phone, direct switch and the operation through socket ontology to electrical apparatus are controlled, but the exclusive use.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a voice socket, a serial communication port, include shell, plug, set up in inside main control board, bottom plate and the microphone board of shell, integrated voice control circuit on the main control board and dc transformer, infrared circuit, IOT module, the power amplifier module of being connected with the voice control circuit electricity, the bottom plate is connected through first draw-in groove with the main control board, first draw-in groove is equipped with the electrode, the microphone board includes the microphone array of being connected with the voice control circuit electricity, the microphone board passes through the second draw-in groove with the main control board and is connected, the second draw-in groove is equipped with the electrode, the bottom surface in the shell outside is fixed through the third draw-in groove to the plug, the bottom plate with plug connection.

2. The voice socket of claim 1, wherein the bottom plate comprises a strong current region and a weak current region, the strong current region comprises a rectifier transformer electrically connected with a direct current transformer and a power acquisition circuit electrically connected with the voice control circuit, the weak current region comprises an infrared transmitting circuit electrically connected with an infrared circuit, the plug is a three-hole plug, and an input of the rectifier transformer is electrically connected with a zero line and a live line of the three-hole plug.

3. The voice socket according to claim 1, further comprising a speaker electrically connected to the power amplifier module, wherein the speaker is fixed to a position of the ventilation hole on the right side surface inside the housing by a buckle.

4. The voice socket according to claim 1, further comprising a complex function key electrically connected to the voice control circuit and an indicator light, wherein the complex function key is disposed on the rear side of the housing, and the indicator light is disposed on the upper surface of the housing.

5. The voice socket of claim 1, wherein the IOT module comprises WIFI and bluetooth, the voice control circuit is communicatively coupled to a cloud server via WIFI, and the cloud server is communicatively coupled to a third party server.

6. The voice socket of claim 1, wherein the voice control circuit comprises a voice chip with model number CSK4002, the microphone array comprises two digital microphones, and the digital audio interface of the voice chip is connected to the output of the digital microphones.

7. The voice socket according to claim 2, wherein the power collecting circuit comprises a sequentially numbered resistor R22 to resistor R36, a sequentially numbered capacitor C10 to capacitor C14, a transistor Q3 and a chip U4, a first pin of the chip U4 is connected to one end of the capacitor C13 and a +5V power supply, one end of the resistor R23 and one end of the resistor R22 are both connected to a neutral line of a strong electric field, the other end of the resistor R23 is connected to one end of the capacitor C10 and a second pin of the chip U4, the other end of the resistor R22 and one end of the resistor R24 are both connected to the neutral line of the power supply and grounded, the other end of the resistor R24 is connected to one end of the capacitor C11 and a third pin of the chip U4, and the other end of the capacitor C11 is connected to the other end of the capacitor C10 and grounded; the sequentially numbered resistors R25 and R28 are connected in series, the non-series end of the resistor R25 is connected with a live wire of a power supply, and one end of the resistor R29, one end of the capacitor C12 and the fourth pin of the chip U4 are connected with the non-series end of the resistor R28;

8. The voice socket of claim 2, wherein the infrared circuit comprises a resistor R8 to a resistor R12, a chip U3, a capacitor C8 and a capacitor C9 which are numbered sequentially, one end of the resistor R8 and one end of the resistor R9 are both connected with a +3.3V power supply, the other end of the resistor R8 is connected with one end of the resistor R11 and connected with the I2C interface of the voice control circuit, and the other end of the resistor R9 is connected with one end of the resistor R10 and connected with the I2C interface of the voice control circuit; the other end of the resistor R10 is connected with a first pin of the chip U3, the other end of the resistor R11 is connected with a second pin of the chip U3, one end of the resistor R12 is connected with a GPIO port of the voice control circuit, and the other end of the resistor R12 is connected with a fourth pin of the chip U3; one end of the capacitor C8, one end of the capacitor C9 and the tenth pin of the chip U3 are connected in parallel with a +3.3V power supply, and the other end of the capacitor C8, the other end of the capacitor C9 and the eighth pin of the chip U3 are connected in parallel with ground.

9. The voice socket as claimed in claim 8, wherein the infrared transmitting circuit comprises a sequentially numbered resistor R13 to resistor R18, a sequentially numbered infrared transmitting tube IR1 to infrared transmitting tube IR5, a transistor Q1, a diode D4 and a polarity capacitor CE6, the anode of the diode D4 is connected to the +12V power supply, the cathode of the diode is connected to the anode of the polarity capacitor CE6 and one end of the resistor R17, and the sequentially numbered infrared transmitting tube IR1 to infrared transmitting tube IR5 are connected in series;

10. The voice socket according to claim 1, wherein the dc transformer comprises a sequentially numbered resistor R4 to resistor R7, a sequentially numbered capacitor C4 to capacitor C7, a chip U2, an inductor L3 and a polarity capacitor CE5, one end of the capacitor C4, one end of the resistor R4 and a fifth pin of the chip U2 are all connected to a +12V power supply, the other end of the resistor R4 is connected to one end of a resistor R5 and a fourth pin of the chip U2, one end of the capacitor C5 is connected to a first pin of the chip U2, and the other end of the capacitor C5 is connected to one end of the inductor L3 and a sixth pin of the chip U2; one end of the resistor R6, one end of the capacitor C6, one end of the capacitor C7 and the anode of the polar capacitor CE5 are connected with the other end of the inductor L3 and serve as +3.3V power interfaces; the other end of the capacitor C6 is connected with a third pin of the chip U2, and one end of the resistor R7 is connected with the other end of the resistor R6; the other end of the capacitor C4, the other end of the resistor R5, the second pin of the chip U2, the other end of the resistor R7, the other end of the capacitor C7, and the negative electrode of the polar capacitor CE5 are all grounded.