CN210119687U

CN210119687U - AI intelligent sound control circuit of heating table

Info

Publication number: CN210119687U
Application number: CN201920891118.6U
Authority: CN
Inventors: 卢景添
Original assignee: Guangdong Meizhi Intelligent Technology Co Ltd
Current assignee: Guangdong Meizhi Intelligent Technology Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-02-28
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a heating table AI intelligence stereo set control circuit, including wireless communication module, microprocessor, AI intelligence stereo set, heating circuit and voice broadcast circuit, the output connection of AI intelligence stereo set is to wireless communication module, heating circuit and voice broadcast circuit connect respectively microprocessor's enable pin, wireless communication module includes WIFI-RX pin, WIFI-TX pin and is used for ensureing the accurate anti jamming circuit of data level, WIFI-RX pin and WIFI-TX pin warp anti jamming circuit is connected to microprocessor's communication pin. The utility model discloses utilize the electric capacity of two branch roads in the anti jamming circuit to carry out anti jamming processing, prevent that the speech command after the analysis from because factors such as circuit interference and distortion in transmission process, improved microprocessor to speech command's recognition accuracy, improved user experience.

Description

AI intelligent sound control circuit of heating table

Technical Field

The utility model relates to a circuit application, especially a heating table AI intelligence stereo set control circuit.

Background

At present, the integrated functions of the desk are more and more, along with the rise of the intelligent voice control market, the desk which controls the work of the desk through voice appears on the market, and along with the expansion of the recognizable range of the intelligent voice equipment, the functions which can be realized are more and more, but the corresponding recognition precision is not greatly improved, especially after the voice command is analyzed, before the command reaches the processor, the recognition error is easily caused because the unreliable internal circuit of the desk, and the user experience is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a heating table AI intelligence stereo set control circuit can ensure that the pronunciation instruction after the analysis correctly transmits microprocessor (100), improves the discernment precision.

The utility model provides a technical scheme that its problem adopted is:

an AI intelligent sound control circuit of a heating table comprises a wireless communication module, a microprocessor, an AI intelligent sound, a heating circuit and a voice broadcast circuit, wherein the output of the AI intelligent sound is connected to the wireless communication module, the heating circuit and the voice broadcast circuit are respectively connected with an enabling pin of the microprocessor, the wireless communication module comprises a WIFI-RX pin, a WIFI-TX pin and an anti-interference circuit for ensuring the accuracy of data level, the WIFI-RX pin and the WIFI-TX pin are connected to a communication pin of the microprocessor through the anti-interference circuit, the anti-interference circuit comprises a first branch circuit and a second branch circuit, the first branch circuit is formed by connecting a first resistor and a first capacitor in series, the second branch circuit is formed by connecting a second resistor and a second capacitor in series, the first branch circuit and the second branch circuit are connected in parallel, and both ends of the first branch circuit and the second branch circuit are connected with Vdd and grounded together, the connecting point of the first resistor and the first capacitor is simultaneously connected with the WIFI-RX pin; the voice broadcasting circuit comprises a power amplifier IC and a filter capacitor, wherein the filter capacitor is connected in series with a communication pin of the microprocessor and a circuit connected with the power amplifier IC.

Further, the AI intelligent sound box comprises a microphone for receiving the voice control instruction and a transmission module for sending the voice control instruction, the output end of the AI intelligent sound box and the wireless communication module are connected with the data port of the transmission module, and the receiving and transmitting port of the transmission module is connected to a cloud server for analyzing the voice control instruction.

Further, the heating circuit includes that a plurality of distributes the heat-generating body on the desk and is used for control the temperature control circuit that the heat-generating body generates heat, temperature control circuit's enable end is connected microprocessor, the heat-generating body is connected temperature control circuit's output, parallel connection between the heat-generating body.

Further, still including being used for controlling the elevator motor that the desk goes up and down, and be used for control elevator motor positive and negative two-way pivoted relay circuit, relay circuit includes first relay, second relay, first triode and second triode, first triode and the respective collecting electrode of second triode are connected respectively first relay and second relay, the base of first triode and second triode is connected microprocessor obtains level signal, first relay and second relay are connected to elevator motor's enable end respectively.

Further, the voice broadcast circuit further comprises a loudspeaker, and the loudspeaker is connected with the audio output end of the power amplifier IC.

Further, the resistance values of the first resistor and the second resistor are the same, and the capacitance values of the first capacitor and the second capacitor are the same.

The embodiment of the utility model has following beneficial effect at least: an anti-interference circuit is arranged between the microprocessor and the wireless communication module, anti-interference processing is carried out by utilizing the capacitors of the two branches in the anti-interference circuit, distortion of the analyzed voice command due to factors such as circuit interference in the transmission process is prevented, the recognition accuracy of the microprocessor on the voice command is improved, and the user experience is improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an overall circuit diagram of an embodiment of the present invention;

fig. 2 is a circuit diagram of a lift motor and relay circuit in accordance with an embodiment of the present invention;

fig. 3 is a circuit diagram of the AI smart audio of the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an AI intelligent sound control circuit for a heating table comprises a wireless communication module 200, a microprocessor 100, an AI intelligent sound 400, a heating circuit and a voice broadcasting circuit, wherein the output of the AI intelligent sound 400 is connected to the wireless communication module 200, the heating circuit and the voice broadcasting circuit are respectively connected to an enable pin of the microprocessor 100, the wireless communication module 200 comprises a WIFI-RX pin, a WIFI-TX pin and an anti-interference circuit for ensuring accurate data level, the WIFI-RX pin and the WIFI-TX pin are connected to a communication pin of the microprocessor 100 through the anti-interference circuit, the anti-interference circuit comprises a first branch and a second branch, the first branch is formed by connecting a first resistor R1 and a first capacitor C3 in series, the second branch is formed by connecting a second resistor R2 and a second capacitor C4 in series, the first branch and the second branch are connected in parallel, and two ends of the first branch and the second branch are connected with, the connection point of the first resistor R1 and the first capacitor C3 is simultaneously connected with the WIFI-RX pin; the voice broadcast circuit comprises a power amplifier IC300 and a filter capacitor C6, wherein the filter capacitor C6 is connected in series with a circuit connecting a communication pin of the microprocessor 100 and the power amplifier IC 300. The voice broadcast circuit further comprises a loudspeaker 310, and the loudspeaker 310 is connected with the audio output end of the power amplifier IC 300. The value of the filter capacitor C6 needs to be carefully adjusted for different power amplifier chips, and the deviation of the capacitance value is too large or too small, which may affect the voice quality of voice, and in this embodiment, the value of the filter capacitor C6 is 394 uF.

The wireless communication module 200 sends the analyzed voice command to the microprocessor 100 for execution, and since the electric signal may be mixed with interference in the transmission process, the microprocessor 100 may have a recognition deviation on the arriving voice command, especially when the control command is complicated, the microprocessor 100 may be controlled to execute different actions by a slight difference, and therefore, the accuracy of the voice command transmission can be effectively ensured by adding the first capacitor C3 and the second capacitor C4 with corresponding capacitance values to the anti-interference circuit; in addition, it should be noted that the parsed voice command actually includes control information for playing by the voice broadcast circuit, so that it is ensured that the accuracy of voice command transmission also affects the accuracy of the voice broadcast circuit.

Preferably, in this embodiment, the resistances of the first resistor R1 and the second resistor R2 are the same and are 4.7k Ω, and the capacitances of the first capacitor C3 and the second capacitor C4 are the same and are 102 uF.

The heating circuit comprises a plurality of heating bodies 710 distributed on the table and a temperature control circuit 720 for controlling the heating bodies 710 to heat, the enabling end of the temperature control circuit 720 is connected with the microprocessor 100, the heating bodies 710 are connected with the output end of the temperature control circuit 720, and the heating bodies 710 are connected in parallel. Because the heating areas of the tables are different or the heating areas of the surfaces of the tables are large, the number of the heating elements 710 needs to be large, and meanwhile, each heating element 710 is preferably provided with an independent temperature control circuit 720, so that accurate temperature control can be realized.

Referring to fig. 3, the AI intelligent sound system 400 includes a microphone 410 for receiving a voice control instruction and a transmission module 500 for transmitting the voice control instruction, the output end of the AI intelligent sound system 400 and the wireless communication module 200 are both connected to a data port of the transmission module 500, and a transceiving port of the transmission module 500 is connected to a cloud server 600 for analyzing the voice control instruction. Due to the requirements of recognition accuracy and recognition speed, by using the powerful computing power of the cloud server 600 instead of using a local recognition chip, more types of voice instructions can be recognized, and meanwhile, the soft update of products is facilitated.

Referring to fig. 2, the table lifting and lowering device further comprises a lifting and lowering motor 800 for controlling the lifting and lowering of the table, and a relay circuit for controlling the forward and reverse rotation of the lifting and lowering motor 800, wherein the relay circuit comprises a first relay 910, a second relay 920, a first triode Q1 and a second triode Q2, respective collectors of the first triode Q1 and the second triode Q2 are respectively connected with the first relay 910 and the second relay 920, bases of the first triode Q1 and the second triode Q2 are connected with the microprocessor 100 to obtain a level signal, and the first relay 910 and the second relay 920 are respectively connected to an enabling end of the lifting and lowering motor 800. In this embodiment, the first relay 910 and the second relay 920 are dc control relays respectively connected to the positive electrode and the negative electrode of the lifting motor 800, and the microprocessor 100 controls the on/off of the first transistor Q1 and the second transistor Q2 by sending high/low levels, so that the lifting motor 800 rotates forward and backward, that is, the lifting of the table is realized.

The utility model discloses guarantee through anti-jamming circuit that voice command correctly reachs microprocessor 100 to ensure that the voice broadcast circuit can correctly broadcast the instruction of execution, improved user experience.

Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides a heating table AI intelligence stereo set control circuit which characterized in that: the intelligent wireless communication system comprises a wireless communication module (200), a microprocessor (100), an AI intelligent sound (400), a heating circuit and a voice broadcasting circuit, wherein the output of the AI intelligent sound (400) is connected to the wireless communication module (200), the heating circuit and the voice broadcasting circuit are respectively connected with an enabling pin of the microprocessor (100), the wireless communication module (200) comprises a WIFI-RX pin, a WIFI-TX pin and an anti-interference circuit used for ensuring the accuracy of a data level, the WIFI-RX pin and the WIFI-TX pin are connected to a communication pin of the microprocessor (100) through the anti-interference circuit, the anti-interference circuit comprises a first branch and a second branch, the first branch is formed by connecting a first resistor (R1) and a first capacitor (C3) in series, and the second branch is formed by connecting a second resistor (R2) and a second capacitor (C4) in series, the first branch and the second branch are connected in parallel, two ends of the first branch and the second branch are connected with Vdd and ground in common, and the connection point of the first resistor (R1) and the first capacitor (C3) is connected with the WIFI-RX pin at the same time; the voice broadcasting circuit comprises a power amplifier IC (300) and a filter capacitor (C6), wherein the filter capacitor (C6) is connected in series with a communication pin of the microprocessor (100) and a circuit connected with the power amplifier IC (300).

2. The heating table AI intelligent sound control circuit of claim 1, characterized in that: the AI intelligent sound box (400) comprises a microphone (410) for receiving a voice control instruction and a transmission module (500) for sending the voice control instruction, the output end of the AI intelligent sound box (400) and the wireless communication module (200) are connected with a data port of the transmission module (500), and a transmitting and receiving port of the transmission module (500) is connected to a cloud server (600) for analyzing the voice control instruction.

3. The heating table AI intelligent sound control circuit of claim 1, characterized in that: the heating circuit comprises a plurality of heating bodies (710) distributed on a table and a temperature control circuit (720) used for controlling the heating bodies (710) to heat, the enabling end of the temperature control circuit (720) is connected with the microprocessor (100), the heating bodies (710) are connected with the output end of the temperature control circuit (720), and the heating bodies (710) are connected in parallel.

4. The heating table AI intelligent sound control circuit of claim 1, characterized in that: still including being used for controlling the elevator motor (800) that the desk goes up and down, and be used for controlling elevator motor (800) positive and negative two-way pivoted relay circuit, relay circuit includes first relay (910), second relay (920), first triode (Q1) and second triode (Q2), first triode (Q1) and the respective collecting electrode of second triode (Q2) are connected respectively first relay (910) and second relay (920), the base of first triode (Q1) and second triode (Q2) is connected microprocessor (100) obtains level signal, first relay (910) and second relay (920) are connected to the enable end of elevator motor (800) respectively.

5. The heating table AI intelligent sound control circuit of claim 1, characterized in that: the voice broadcast circuit further comprises a loudspeaker (310), and the loudspeaker (310) is connected with the audio output end of the power amplifier IC (300).

6. The heating table AI intelligent sound control circuit of claim 1, characterized in that: the first resistor (R1) and the second resistor (R2) have the same resistance value, and the capacitance values of the first capacitor (C3) and the second capacitor (C4) are the same.