CN218240703U - Circuit for voice control and smart home equipment - Google Patents
Circuit for voice control and smart home equipment Download PDFInfo
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- CN218240703U CN218240703U CN202222171662.8U CN202222171662U CN218240703U CN 218240703 U CN218240703 U CN 218240703U CN 202222171662 U CN202222171662 U CN 202222171662U CN 218240703 U CN218240703 U CN 218240703U
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Abstract
The application relates to the technical field of intelligent household appliances, and discloses a circuit for voice control, which comprises: the core board is used for realizing the core function of voice control; an auxiliary board for implementing an auxiliary function; the voice module circuit is arranged on the core board and used for receiving and executing the voice control instruction; and the voice auxiliary circuit is arranged on the auxiliary board, is electrically connected with the voice module circuit and is used for receiving and executing the auxiliary instruction. Through setting up common speech function on nuclear core plate, with peculiar auxiliary function setting on the accessory plate to in the wisdom house equipment of difference, reduce the complexity of speech control circuit board development. The application also discloses wisdom house equipment.
Description
Technical Field
The application relates to the technical field of intelligent household appliances, for example, to a circuit and smart home equipment for voice control.
Background
At present, along with the development and popularization of voice control technology, more and more smart home devices have a voice control function, such as smart sound boxes, smart air conditioners, massage chairs and the like. When the voice control function is realized, the smart home equipment receives a voice control instruction input by a user through the voice receiving device, and performs voice feedback through the voice playing device after recognition and execution.
In the related art, a speech recognition circuit includes: the microphone interface assembly can be adaptively and electrically connected with a multi-microphone array formed by at least two microphones so as to receive audio data acquired by the multi-microphone array and convert the audio data into analog audio signals; the analog-to-digital converter is electrically connected with the microphone interface component and comprises a filter and the analog-to-digital converter, wherein the filter is used for performing filtering operation on the analog audio signal and converting the filtered analog audio signal into a digital audio signal; and the audio processor is electrically connected with the analog-to-digital converter, is provided with a far-field signal processing engine corresponding to the multi-microphone array and is used for executing far-field noise reduction processing on the digital audio signals to obtain preprocessed digital audio signals, and is also used for executing analysis operation on the preprocessed digital audio signals to generate digital feedback audio signals according to analysis results.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
the circuit is capable of recognizing and executing voice control commands of a user. However, for different smart home devices adopting the same voice hardware scheme, due to the fact that hardware functions are different, components are changed, and the circuit board needs to be rewired, designed and debugged, so that development complexity is high.
SUMMERY OF THE UTILITY MODEL
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a circuit for voice control and smart home equipment, so that the complexity of development of a voice control circuit board is reduced in different smart home equipment.
In some embodiments, the circuitry for voice control comprises: the core board is used for realizing the core function of voice control; an auxiliary board for implementing an auxiliary function; the voice module circuit is arranged on the core board and used for receiving and executing the voice control instruction; and the voice auxiliary circuit is arranged on the auxiliary board, is electrically connected with the voice module circuit and is used for receiving and executing the auxiliary instruction.
Optionally, the voice module circuit and the voice auxiliary circuit are electrically connected through a flat cable; or the voice module circuit and the voice auxiliary circuit are electrically connected through a welding wire; or the voice module circuit and the voice auxiliary circuit are electrically connected through the stamp hole in a welding mode.
Optionally, the voice module circuit comprises: the voice receiving circuit is used for receiving voice control instruction audio; the voice playing circuit is used for playing voice feedback audio; and the microcontroller is electrically connected with the voice receiving circuit and the voice playing circuit.
Optionally, the voice receiving circuit comprises: the voice receiving device is used for receiving voice control instruction audio; the voice receiving interface is electrically connected with the voice receiving device and is used for transmitting the received voice control instruction audio; and the input end of each resistance-capacitance circuit is electrically connected with one end of the voice receiving interface, and the output end of each resistance-capacitance circuit is electrically connected with the microcontroller.
Optionally, the voice playback circuit includes: the audio amplification circuit is electrically connected with the microcontroller and is used for amplifying the voice feedback audio; the audio frequency acquisition circuit is electrically connected with the audio frequency amplification circuit and the microcontroller and is used for eliminating echo; the voice playing interface is electrically connected with the audio amplifying circuit and the audio recovery circuit and is used for transmitting voice feedback audio; and the voice playing device is electrically connected with the voice playing interface and is used for playing voice feedback audio.
Optionally, the voice module circuit further comprises: the networking circuit is electrically connected with the microcontroller and is used for receiving and transmitting the networking data of the distribution network; the power supply input circuit is used for supplying power to the voice playing circuit, and the serial port end is electrically connected with the microcontroller and used for serial port communication data transmission; the power supply conversion circuit is electrically connected with the microcontroller, the networking circuit and the power supply input circuit and is used for converting the voltage of the power supply and supplying power to the microcontroller and the networking circuit; the storage circuit is electrically connected with the microcontroller and the power supply conversion circuit and is used for storing data written by the microcontroller; and the first auxiliary interface is electrically connected with the microcontroller, the power supply conversion circuit and the voice auxiliary circuit and is used for transmitting auxiliary instructions.
Optionally, the power conversion circuit comprises: the first voltage reduction circuit is electrically connected with the microcontroller, the networking circuit, the power input circuit and the first auxiliary interface and is used for reducing the voltage of the power supply and supplying power to the microcontroller, the networking circuit and the voice auxiliary circuit; and the second voltage reduction circuit is electrically connected with the first voltage reduction circuit and the microcontroller and is used for reducing the output voltage of the first voltage reduction circuit and supplying power to the microcontroller.
Optionally, the voice assistance circuitry comprises: the second auxiliary interface is electrically connected with the voice module circuit and used for transmitting the auxiliary instruction.
Optionally, the voice assistance circuit further comprises: the serial port circuit is electrically connected with the second auxiliary interface and is used for serial port data transmission; or, the key circuit is electrically connected with the second auxiliary interface and is used for receiving a key instruction input by a user; and the lighting circuit is electrically connected with the second auxiliary interface and is used for displaying different lights according to the control instruction input by the user.
In some embodiments, the smart home device includes the circuit for voice control described above.
The circuit for speech control, wisdom house equipment that this disclosed embodiment provided can realize following technological effect:
the circuit for voice control comprises a core board and an auxiliary board. The core board is provided with a voice module circuit for receiving and executing a voice control instruction and realizing the basic function of voice control. The auxiliary board is provided with a voice auxiliary circuit for receiving and executing auxiliary instructions and realizing extended functions except voice control. Adopt the common function of wisdom household equipment of same pronunciation hardware scheme to realize through pronunciation module circuit, pronunciation module circuit sets up alone on nuclear core plate, and the circuit board need not rewiring, design and debugging according to different wisdom household equipment. Different peculiar functions of wisdom house equipment are realized through pronunciation auxiliary circuit, and pronunciation auxiliary circuit sets up alone on the accessory plate, and circuit board wiring, design and debugging process are simple. Through with shared speech function setting on nuclear core plate, with peculiar auxiliary function setting on the accessory plate to in different wisdom house equipment, reduce the complexity of speech control circuit board development.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:
FIG. 1 is a schematic diagram of a circuit for voice control according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of another circuit for voice control provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another circuit for voice control provided by an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of another circuit for voice control according to an embodiment of the present disclosure.
Reference numerals:
1: a core board; 2: an auxiliary plate; 3: a voice module circuit; 4: a voice assist circuit; 31: a voice receiving circuit; 32: a voice playing circuit; 33: a microcontroller; 34: a networking circuit; 35: a power input circuit; 36: a power conversion circuit; 37: a storage circuit; 38: a first auxiliary interface; 41: a second auxiliary interface; 42: a key circuit; 43: a light circuit; 311: a voice receiving interface; 321: a voice playing interface; 322: an audio amplification chip; 341: a wireless chip; 342: a coaxial antenna; 351: a power interface; 361: a first buck chip; 362: a second buck chip; 371: a flash memory chip; 381: an auxiliary function interface; 382: a serial interface; r1: a first resistor; r2: a second resistor; r3: a third resistor; r4: a fourth resistor; r5: a fifth resistor; r6: a sixth resistor; r7: a seventh resistor; r8: an eighth resistor; r9: a ninth resistor; r10: a tenth resistor; r11: an eleventh resistor; r12: a twelfth resistor; r13: a thirteenth resistor; r14: a fourteenth resistance; r15: a fifteenth resistor; r16: a sixteenth resistor; r17: a seventeenth resistor; r18: an eighteenth resistor; r19: a nineteenth resistor; r20: a twentieth resistor; r21: a twenty-first resistor; r22: a twenty-second resistor; r23: a twenty-third resistor; r24: a twenty-fourth resistor; r25: a twenty-fifth resistor; r26: a twenty-sixth resistor; r27: a twenty-seventh resistor; r28: a twenty-eighth resistor; c1: a first capacitor;
c2: a second capacitor; c3: a third capacitor; c4: a fourth capacitor; c5: a fifth capacitor; c6: a sixth capacitor; c7: a seventh capacitance; c8: an eighth capacitor; c9: a ninth capacitor; c10: a tenth capacitance; c11: an eleventh capacitor; c12: a twelfth capacitor; c13: a thirteenth capacitor; c14: a fourteenth capacitance; an LED1: a first light emitting diode; and 2, LED: a second light emitting diode; LED3: a third light emitting diode; q1: a first triode; q2: a second triode; q3: a third triode; k1: a first switch; k2: a second switch; k3: a third switch; k4: a fourth switch; VCC: a power supply; VCC1: a first voltage output terminal; VCC2: a second voltage output terminal; GND: and a ground line.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and circuits may be shown for simplicity in the drawings.
The terms "first," "second," and the like in the description and claims of the embodiments of the disclosure and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their embodiments, and are not used to limit the circuits, elements or components indicated to have a particular orientation or to be constructed and operated in a particular orientation. Also, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain attaching relationship or electrical connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure may be understood as specific cases by those of ordinary skill in the art.
In addition, the terms "disposed," "electrically connected," and "fixed" are to be construed broadly. For example, "electrical connection" may be a fixed electrical connection, a removable electrical connection, or a unitary construction; may be a mechanical electrical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two circuits, elements or components. Specific meanings of the above terms in the disclosed embodiments can be understood by those of ordinary skill in the art according to specific situations.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
At present, along with the development and popularization of voice control technology, more and more smart home devices have a voice control function, such as smart sound boxes, smart air conditioners, massage chairs and the like. When the voice control function is realized, the smart home equipment receives a voice control instruction input by a user through the voice receiving device, and performs voice feedback through the voice playing device after recognition and execution. To different wisdom house equipment, even adopt same pronunciation hardware scheme, because there is the difference in hardware function and leads to the circuit board to need rewiring, design and debugging. For example, the voice control circuit board in the intelligent air conditioner comprises a voice receiving circuit, a voice playing circuit, a microcontroller, a networking circuit, a power input circuit, a power conversion circuit and a storage circuit. The voice control circuit board in the intelligent sound box comprises a voice receiving circuit, a voice playing circuit, a microcontroller, a networking circuit, a power input circuit, a power conversion circuit, a storage circuit, a key circuit and a light circuit. Because the intelligent sound box is additionally provided with the key circuit and the light circuit, the circuit board needs to be wired, designed and debugged again during development, and the failure rate is high.
Referring to fig. 1, an embodiment of the present disclosure provides a circuit for voice control, which includes a core board 1, an auxiliary board 2, a voice module circuit 3, and a voice auxiliary circuit 4. The core board 1 is used to implement a core function of voice control. The auxiliary plate 2 is used to implement an auxiliary function. The voice module circuit 3 is disposed on the core board 1 and configured to receive and execute a voice control command. The voice auxiliary circuit 4 is disposed on the auxiliary board 2, electrically connected to the voice module circuit 3, and configured to receive and execute an auxiliary command.
The circuit for voice control provided by the embodiment of the disclosure comprises two circuit boards, namely a core board and an auxiliary board. The core board is provided with a voice module circuit for receiving and executing a voice control instruction and realizing the basic function of voice control. The auxiliary board is provided with a voice auxiliary circuit for receiving and executing auxiliary instructions and realizing extended functions except voice control. Adopt the common function of wisdom home equipment of same pronunciation hardware scheme to pass through pronunciation module circuit and realize, pronunciation module circuit sets up alone on nuclear core plate, and the circuit board need not rewiring, design and debugging according to different wisdom home equipment. Different peculiar functions of wisdom house equipment are realized through pronunciation auxiliary circuit, and pronunciation auxiliary circuit sets up alone on the accessory plate, and circuit board wiring, design and debugging process are simple. Through with shared speech function setting on nuclear core plate, with peculiar auxiliary function setting on the accessory plate to in different wisdom house equipment, reduce the complexity of speech control circuit board development.
Alternatively, the voice module circuit 3 and the voice auxiliary circuit 4 are electrically connected by a flat cable. Or, the voice module circuit 3 and the voice auxiliary circuit 4 are electrically connected through a bonding wire. Or, the voice module circuit 3 and the voice auxiliary circuit 4 are electrically connected through the stamp hole welding. Like this, two kinds of circuits on nuclear core plate and the accessory plate can be connected through multiple mode is nimble, have reduced the interference of signal between the circuit, have improved the convenience of wisdom house equipment circuit board development.
As shown in fig. 2 and fig. 3, optionally, the voice module circuit 3 includes a voice receiving circuit 31, a voice playing circuit 32, and a microcontroller 33. The voice receiving circuit 31 is used for receiving voice control instruction audio. The voice playing circuit 32 is used for playing voice feedback audio. The microcontroller 33 is electrically connected to the voice receiving circuit 31 and the voice playing circuit 32, and is configured to execute a corresponding control instruction according to the received voice control instruction audio, and play the voice feedback audio through the voice playing circuit 32. Like this, the required main circuit of the common voice function of different wisdom house equipment all sets up on nuclear core plate, and nuclear core plate can realize that voice control instruction, voice control instruction handle and the broadcast of voice feedback audio frequency. The developer only needs to carry out wiring, design and debugging once to nuclear core plate, just can be applicable to the different wisdom house equipment of same pronunciation hardware scheme, has reduced the complexity of nuclear core plate development and has improved the commonality of nuclear core plate.
Alternatively, the voice receiving circuit 31 includes a voice receiving device, a voice receiving interface 311, and a plurality of resistance-capacitance circuits. The voice receiving device is used for receiving voice control instruction audio, and may be a microphone, for example. The voice receiving interface 311 is electrically connected to the voice receiving device, and is configured to transmit the received voice control instruction audio. The input end of each resistance-capacitance circuit is electrically connected with one end of the voice receiving interface 311, and the output end is electrically connected with the microcontroller 33. Therefore, the voice control instruction input by a user can be received through the voice receiving device, and is transmitted to the microcontroller through the voice receiving interface and the resistance-capacitance circuit, and the microcontroller analyzes and processes the voice control instruction to realize the input of the voice control instruction.
Specifically, two ground terminals of the voice receiving interface 311 are electrically connected to the ground GND. The number of the resistance-capacitance circuits is four, and the resistance-capacitance circuits are respectively a first resistance-capacitance circuit, a second resistance-capacitance circuit, a third resistance-capacitance circuit and a fourth resistance-capacitance circuit. The first resistance-capacitance circuit comprises a first capacitor C1, a second capacitor C2, a first resistor R1 and a second resistor R2. The first capacitor C1 is electrically connected between the first end of the voice receiving interface 311 and the microcontroller 33. Both ends of the first resistor R1 are electrically connected between the first capacitor C1 and the microcontroller 33. One end of the second capacitor C2 is electrically connected to the ground GND. One end of the second resistor R2 is electrically connected to the other end of the second capacitor C2, and the other end is electrically connected between the first capacitor C1 and the microcontroller 33. The second resistance-capacitance circuit comprises a third capacitor C3, a fourth capacitor C4, a third resistor R3 and a fourth resistor R4. The third capacitor C3 is electrically connected between the second end of the voice receiving interface 311 and the microcontroller 33. Both ends of the third resistor R3 are electrically connected between the third capacitor C3 and the microcontroller 33. One end of the fourth capacitor C4 is electrically connected between the first capacitor C1 and the microcontroller 33, and the other end is electrically connected between the third capacitor C3 and the microcontroller 33. One end of the fourth resistor R4 is electrically connected to the ground GND, and the other end is electrically connected between the third capacitor C3 and the microcontroller 33. The third resistance-capacitance circuit comprises a fifth capacitor C5, a sixth capacitor C6, a fifth resistor R5 and a sixth resistor R6. The fifth capacitor C5 is electrically connected between the third terminal of the voice receiving interface 311 and the microcontroller 33. Both ends of the fifth resistor R5 are electrically connected between the fifth capacitor C5 and the microcontroller 33. One end of the sixth capacitor C6 is electrically connected to the ground GND. One end of the sixth resistor R6 is electrically connected to the other end of the sixth capacitor C6, the second capacitor C2, the second resistor R2 and the microcontroller 33, and the other end is electrically connected between the fifth capacitor C5 and the microcontroller 33. The fourth resistance-capacitance circuit comprises a seventh capacitor C7, an eighth capacitor C8, a seventh resistor R7 and an eighth resistor R8. The seventh capacitor C7 is electrically connected between the fourth terminal of the voice receiving interface 311 and the microcontroller 33. Both ends of the seventh resistor R7 are electrically connected between the seventh capacitor C7 and the microcontroller 33. One end of the eighth capacitor C8 is electrically connected between the fifth capacitor C5 and the microcontroller 33, and the other end is electrically connected between the seventh capacitor C7 and the microcontroller 33. One end of the eighth resistor R8 is electrically connected to the ground GND, and the other end is electrically connected between the seventh capacitor C7 and the microcontroller 33.
Optionally, the voice playing circuit 32 includes an audio amplifying circuit, an audio extracting circuit, a voice playing interface 321 and a voice playing device. The audio amplifier circuit is electrically connected to the microcontroller 33 for amplifying the voice feedback audio. The audio frequency back-sampling circuit is electrically connected with the audio frequency amplifying circuit and the microcontroller 33 and is used for eliminating echo. The voice playing interface 321 is electrically connected to the audio amplifying circuit and the audio retrieving circuit, and is configured to transmit voice feedback audio. The voice playing device is electrically connected to the voice playing interface 321, and is used for playing voice feedback audio, such as a speaker. Therefore, when the microcontroller outputs the voice feedback audio, the audio is subjected to signal amplification through the audio amplification circuit, so that the volume of the voice feedback audio is moderate. The amplified audio is returned through the audio frequency back-sampling circuit, so that the echo interference of the voice feedback audio is eliminated, and the quality of the audio is improved. The voice feedback audio is amplified and then transmitted to the voice playing device through the voice playing interface, and the output of the voice feedback audio is realized.
Specifically, the audio amplifying circuit includes an audio amplifying chip 322, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a ninth resistor R9, and a tenth resistor R10. Two input ends of the audio amplifier chip 322 are electrically connected to the microcontroller 33, a power supply end is electrically connected to the power supply VCC, a ground end is electrically connected to the ground GND, a first output end is electrically connected to one end of the ninth capacitor C9, and a second output end is electrically connected to one end of the tenth capacitor C10. The other end of the ninth capacitor C9 is electrically connected to one end of the ninth resistor R9. The other end of the tenth capacitor C10 is electrically connected to one end of the tenth resistor R10. The other end of the ninth resistor R9 is electrically connected to the first end of the voice playing interface 321. The other end of the tenth resistor R10 is electrically connected to the second end of the voice playing interface 321. The eleventh capacitor C11 is connected in parallel to the first terminal and the second terminal of the voice playing interface 321. The audio frequency extraction circuit comprises a twelfth capacitor C12, a thirteenth capacitor C13, an eleventh resistor R11, a twelfth resistor R12 and a thirteenth resistor R13. One end of the twelfth capacitor C12 is electrically connected to the microcontroller 33, and the other end is electrically connected to one end of the eleventh resistor R11 and one end of the twelfth resistor R12. One end of the thirteenth capacitor C13 is electrically connected to the microcontroller 33, and the other end is electrically connected to the other end of the eleventh resistor R11 and one end of the thirteenth resistor R13. The other end of the twelfth resistor R12 is electrically connected to the first end of the voice playing interface 321. The other end of the thirteenth resistor R13 is electrically connected to the second end of the voice playing interface 321. Two grounding ends of the voice playing interface 321 are electrically connected to the ground GND.
Optionally, the voice module circuit 3 further comprises a networking circuit 34, a power input circuit 35, a power conversion circuit 36, a storage circuit 37 and a first auxiliary interface 38. The networking circuit 34 is electrically connected to the microcontroller 33 for receiving and transmitting the distribution network and networking data. The power supply end of the power input circuit 35 is electrically connected with the power supply VCC and the voice playing circuit 32 for supplying power to the voice playing circuit 32, and the serial port end is electrically connected with the microcontroller 33 for serial port communication data transmission. The power conversion circuit 36 is electrically connected to the microcontroller 33, the networking circuit 34 and the power input circuit 35, and is configured to convert the voltage of the power supply VCC and supply power to the microcontroller 33 and the networking circuit 34. The memory circuit 37 is electrically connected to the microcontroller 33 and the power conversion circuit 36, and stores data written by the microcontroller 33. The first auxiliary interface 38 is electrically connected to the microcontroller 33, the power conversion circuit 36 and the voice auxiliary circuit 4 for transmitting auxiliary instructions. Like this, the required secondary circuit of the common voice function of different wisdom house equipment all sets up on nuclear core plate, and network connection, data reading and writing and function extension etc. can be realized to nuclear core plate. Through network connection, the function of the voice control circuit can be increased, and the smart home equipment has more skills (such as weather inquiry, interconnection and intercommunication). By reading and writing data with the storage circuit, user habits and firmware functions can be stored, and convenience in use of users is improved. Carry out the function extension through first auxiliary interface and pronunciation auxiliary circuit, satisfy the demand of different wisdom house equipment functions.
Specifically, the networking circuit 34 includes a wireless chip 341 and a coaxial antenna 342. The ground terminal of the wireless chip 341 is electrically connected to the ground GND, the antenna terminal is electrically connected to the coaxial antenna 342, and each transmission terminal is electrically connected to the microcontroller 33.
Specifically, the power input circuit 35 includes a power interface 351, a fourteenth resistor R14, and a fifteenth resistor R15. Each grounding end of the power interface 351 is electrically connected with the ground GND, the power supply end is electrically connected with the power supply VCC, the first data end is electrically connected with the microcontroller 33 through the fourteenth resistor R14, and the second data end is electrically connected with the microcontroller 33 through the fifteenth resistor R15.
Alternatively, the power conversion circuit 36 includes a first step-down circuit and a second step-down circuit. The first voltage reduction circuit is electrically connected to the microcontroller 33, the networking circuit 34, the power input circuit 35, and the first auxiliary interface 38, and is configured to reduce the voltage of the power supply VCC and supply power to the microcontroller 33, the networking circuit 34, and the voice auxiliary circuit 4. The second voltage-reducing circuit is electrically connected to the first voltage-reducing circuit and the microcontroller 33, and is configured to reduce the output voltage of the first voltage-reducing circuit and supply power to the microcontroller 33. Therefore, the power supply is subjected to voltage reduction twice, the power supply of different devices is met, and the stability and the universality of power supply are improved.
Specifically, the first voltage-dropping circuit includes a first voltage-dropping chip 361 and a fourteenth capacitor C14. The input end of the first voltage-reducing chip 361 is electrically connected to the power supply VCC, the ground end is electrically connected to the ground GND, the first voltage output end VCC1 (3.3V) is electrically connected to the detection end through the fourteenth capacitor C14, and the first voltage output end VCC1 is electrically connected to the power supply ends of the microcontroller 33, the wireless chip 341, and the first auxiliary interface 38. The second buck circuit includes a second buck chip 362. The input terminal of the second buck chip 362 is electrically connected to the first voltage output terminal VCC1 of the first buck chip 361, the ground terminal is electrically connected to the ground GND, and the second voltage output terminal VCC2 (1.8V) is electrically connected to the microcontroller 33.
Specifically, the memory circuit 37 includes a flash memory chip 371. The power supply terminal of the flash memory chip 371 is electrically connected to the first voltage output terminal VCC1, each data transmission terminal is electrically connected to the microcontroller 33, and each ground terminal is electrically connected to the ground GND.
Specifically, the first auxiliary interface 38 includes an auxiliary function interface 381 and a serial interface 382. The power supply terminal of the auxiliary function interface 381 is electrically connected to the first voltage output terminal VCC1, the ground terminal is electrically connected to the ground GND, and each function terminal is electrically connected to the microcontroller 33. The power supply terminal of the serial interface 382 is electrically connected to the first voltage output terminal VCC1, the ground terminals are electrically connected to the ground GND, and the data terminals are electrically connected to the microcontroller 33.
As shown in fig. 4, optionally, the voice assisting circuit 4 has different functions according to different smart home devices, and the corresponding circuit structures are different. The speech auxiliary circuit 4 comprises a second auxiliary interface 41. The second auxiliary interface 41 is electrically connected to the voice module circuit 3 for transmitting auxiliary commands. Specifically, the second auxiliary interface 41 is electrically connected to the first auxiliary interface 38 by a flat cable, a bonding wire, or a stamp hole bonding. The power supply terminal of the second auxiliary interface 41 is electrically connected to the power supply terminal of the first auxiliary interface 38, and the ground terminal is electrically connected to the ground terminal of the first auxiliary interface 38. For example, for an intelligent air conditioner, the voice auxiliary circuit 4 includes a serial port circuit electrically connected to the second auxiliary interface 41 for performing serial port data transmission to implement functions related to the intelligent air conditioner. For a smart speaker, the voice assistant circuit 4 includes a key circuit 42 and a light circuit 43. The user realizes the functions of volume adjustment, distribution network reconfiguration, switching on and off silence and the like by operating the keys. The user inputs the voice control command, and the lighting circuit 43 displays different lights for command execution and feedback. Like this, the distinctive circuit of different wisdom house equipment all sets up on the accessory plate, and the accessory plate can realize auxiliary instruction. A developer only needs to independently carry out wiring, design and debugging on the auxiliary board, and the development of the auxiliary board can be completed. Because the components of the auxiliary board are few, the circuit structure is simple, the wiring, design and debugging processes of the circuit board are simple, and the development complexity of the voice control circuit board is reduced.
Taking the smart speaker as an example, optionally, the voice auxiliary circuit 4 includes a key circuit 42 and a lighting circuit 43. The key circuit 42 is electrically connected to the second auxiliary interface 41 for receiving a key command input by a user. The light circuit 43 is electrically connected to the second auxiliary interface 41, and is used for displaying different lights according to a control instruction input by a user. Like this, through keying circuit, the user can adjust the operation of volume function, joining in marriage net function and switch silence function again, has improved the convenience of intelligent audio amplifier control. Through the lighting circuit, the user can clearly determine the information fed back by the intelligent sound box, and the simplicity of information feedback of the intelligent sound box is improved.
Specifically, the key circuit 42 includes a plurality of key gating circuits, each of which is connected in parallel and electrically connected to the second auxiliary interface 41. For example, the number of the key gating circuits is four, and the key gating circuits are respectively a first key gating circuit, a second key gating circuit, a third key gating circuit and a fourth key gating circuit. The first key gating circuit includes a first switch K1 and a sixteenth resistor R16. The first switch K1 and the sixteenth resistor R16 are connected in series. The second key gating circuit includes a second switch K2 and a seventeenth resistor R17. The second switch K2 and the seventeenth resistor R17 are connected in series. The third key gating circuit includes a third switch K3 and an eighteenth resistor R18. The third switch K3 and the eighteenth resistor R18 are connected in series. The fourth key strobe circuit includes a fourth switch K4 and a nineteenth resistor R19. The fourth switch K4 and the nineteenth resistor R19 are connected in series. The first key gating circuit, the second key gating circuit, the third key gating circuit and the fourth key gating circuit are connected in parallel to form a first electric connection end and a second electric connection end, the first electric connection end is electrically connected with the key end of the second auxiliary interface, and the second electric connection end is electrically connected with the grounding end of the second auxiliary interface 41. The key circuit 42 also includes a twentieth resistor R20. The twentieth resistor R20 is electrically connected between the power supply terminal and the first electrical connection terminal of the second auxiliary interface 41.
Specifically, the lighting circuit 43 includes a first light emitting diode LED1, a second light emitting diode LED2, a third light emitting diode LED3, a first triode Q1, a second triode Q2, a third triode Q3, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, a twenty-fourth resistor R24, a twenty-fifth resistor R25, a twenty-sixth resistor R26, a twenty-seventh resistor R27, and a twenty-eighth resistor R28. The anode of the first light emitting diode LED1 is electrically connected to the power supply terminal of the second auxiliary interface 41, and the cathode thereof is electrically connected to one end of the twentieth resistor R20. The other end of the twentieth resistor R20 is electrically connected to the collector of the first transistor Q1. The emitter of the first triode Q1 is electrically connected to the ground terminal of the second auxiliary interface 41, and the base is electrically connected to one end of the twenty-first resistor R21. The other end of the twenty-first resistor R21 is electrically connected to one end of the twenty-second resistor R22 and the first lamp end of the second auxiliary interface 41. The other end of the twenty-second resistor R22 is electrically connected to the ground terminal of the second auxiliary interface 41. The anode of the second light emitting diode LED2 is electrically connected to the power supply terminal of the second auxiliary interface 41, and the cathode is electrically connected to one end of the twenty-third resistor R23. The other end of the twenty-third resistor R23 is electrically connected to the collector of the second triode Q2. The emitter of the second transistor Q2 is electrically connected to the ground terminal of the second auxiliary interface 41, and the base is electrically connected to one end of the twenty-fourth resistor R24. The other end of the twenty-fourth resistor R24 is electrically connected to one end of the twenty-fifth resistor R25 and the second light end of the second auxiliary interface 41. The other end of the twenty-fifth resistor R25 is electrically connected to the ground terminal of the second auxiliary interface 41. The anode of the third light emitting diode LED3 is electrically connected to the power supply end of the second auxiliary interface 41, and the cathode is electrically connected to one end of the twenty-sixth resistor R26. The other end of the twenty-sixth resistor R26 is electrically connected to the collector of the third transistor Q3. The emitter of the third triode Q3 is electrically connected to the ground terminal of the second auxiliary interface 41, and the base is electrically connected to one end of the twenty-seventh resistor R27. The other end of the twenty-seventh resistor R27 is electrically connected to one end of the twenty-eighth resistor R28 and the third light end of the second auxiliary interface 41. The other end of the twenty-eighth resistor R28 is electrically connected to the ground terminal of the second auxiliary interface 41.
The embodiment of the disclosure provides smart home equipment which comprises a circuit for voice control provided by any embodiment. The wisdom house equipment is through setting up common speech function on nuclear core plate, with peculiar auxiliary function setting on the accessory plate to in the wisdom house equipment of difference, reduce the complexity of speech control circuit board development. The embodiment of the utility model provides a smart home devices includes the circuit that is used for speech control in the above-mentioned embodiment, consequently the embodiment of the utility model provides a smart home devices also possesses the beneficial effect that describes in the above-mentioned embodiment.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A circuit for voice control, comprising:
the core board (1) is used for realizing the core function of voice control;
an auxiliary plate (2) for implementing an auxiliary function;
the voice module circuit (3) is arranged on the core board (1) and is used for receiving and executing a voice control instruction;
and the voice auxiliary circuit (4) is arranged on the auxiliary board (2), is electrically connected with the voice module circuit (3) and is used for receiving and executing an auxiliary instruction.
2. The circuit according to claim 1, wherein the voice module circuit (3) and the voice auxiliary circuit (4) are electrically connected by a flat cable; or the voice module circuit (3) and the voice auxiliary circuit (4) are electrically connected through a welding wire; or the voice module circuit (3) and the voice auxiliary circuit (4) are electrically connected through the stamp hole in a welding mode.
3. A circuit according to claim 1, characterized in that the speech module circuit (3) comprises:
a voice receiving circuit (31) for receiving a voice control instruction audio;
a voice playing circuit (32) for playing a voice feedback audio;
and the microcontroller (33) is electrically connected with the voice receiving circuit (31) and the voice playing circuit (32), is configured to execute a corresponding control instruction according to the received voice control instruction audio, and plays the voice feedback audio through the voice playing circuit (32).
4. A circuit according to claim 3, characterized in that the speech receiving circuit (31) comprises:
the voice receiving device is used for receiving voice control instruction audio;
the voice receiving interface (311) is electrically connected with the voice receiving device and is used for transmitting the received voice control instruction audio;
and the input end of each resistance-capacitance circuit is electrically connected with one end of the voice receiving interface (311), and the output end of each resistance-capacitance circuit is electrically connected with the microcontroller (33).
5. A circuit as claimed in claim 3, characterized in that the speech playback circuit (32) comprises:
the audio amplification circuit is electrically connected with the microcontroller (33) and is used for amplifying the voice feedback audio;
the audio frequency acquisition circuit is electrically connected with the audio frequency amplification circuit and the microcontroller (33) and is used for eliminating echo;
the voice playing interface (321) is electrically connected with the audio amplifying circuit and the audio recovery circuit and is used for transmitting voice feedback audio;
and the voice playing device is electrically connected with the voice playing interface (321) and is used for playing voice feedback audio.
6. A circuit according to claim 3, characterized in that the speech module circuit (3) further comprises:
the networking circuit (34) is electrically connected with the microcontroller (33) and is used for receiving and transmitting the networking data of the distribution network;
the power supply input circuit (35) is electrically connected with a power supply (VCC) and the voice playing circuit (32) at the power supply end and used for supplying power to the voice playing circuit (32), and the serial port end is electrically connected with the microcontroller (33) and used for serial port communication data transmission;
the power supply conversion circuit (36) is electrically connected with the microcontroller (33), the networking circuit (34) and the power supply input circuit (35) and is used for converting the voltage of a power supply (VCC) and supplying power to the microcontroller (33) and the networking circuit (34);
the storage circuit (37) is electrically connected with the microcontroller (33) and the power supply conversion circuit (36) and is used for storing data written by the microcontroller (33);
and the first auxiliary interface (38) is electrically connected with the microcontroller (33), the power supply conversion circuit (36) and the voice auxiliary circuit (4) and is used for transmitting auxiliary instructions.
7. The circuit of claim 6, wherein the power conversion circuit (36) comprises:
the first voltage reduction circuit is electrically connected with the microcontroller (33), the networking circuit (34), the power input circuit (35) and the first auxiliary interface (38) and is used for reducing the voltage of a power supply (VCC) and supplying power to the microcontroller (33), the networking circuit (34) and the voice auxiliary circuit (4);
and the second voltage reduction circuit is electrically connected with the first voltage reduction circuit and the microcontroller (33) and is used for reducing the output voltage of the first voltage reduction circuit and supplying power to the microcontroller (33).
8. A circuit as claimed in any one of claims 1 to 7, characterized in that the speech auxiliary circuit (4) comprises:
the second auxiliary interface (41) is electrically connected with the voice module circuit (3) and is used for transmitting the auxiliary instruction.
9. The circuit according to claim 8, characterized in that the speech auxiliary circuit (4) further comprises:
the serial port circuit is electrically connected with the second auxiliary interface (41) and is used for carrying out serial port data transmission; or the like, or a combination thereof,
the key circuit (42) is electrically connected with the second auxiliary interface (41) and is used for receiving a key instruction input by a user;
and the light circuit (43) is electrically connected with the second auxiliary interface (41) and is used for displaying different lights according to the control instruction input by the user.
10. A smart home device comprising a circuit for voice control as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222171662.8U CN218240703U (en) | 2022-08-17 | 2022-08-17 | Circuit for voice control and smart home equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222171662.8U CN218240703U (en) | 2022-08-17 | 2022-08-17 | Circuit for voice control and smart home equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218240703U true CN218240703U (en) | 2023-01-06 |
Family
ID=84682741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222171662.8U Active CN218240703U (en) | 2022-08-17 | 2022-08-17 | Circuit for voice control and smart home equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218240703U (en) |
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2022
- 2022-08-17 CN CN202222171662.8U patent/CN218240703U/en active Active
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