Building block robot mainboard supporting human-computer interaction

Abstract

The utility model provides a building block robot mainboard supporting man-machine interaction, which belongs to the technical field of building block robot mainboards, and comprises a charging and power supply management unit, a type-c interface supplies power to the mainboard, an LTK41056B charging chip supplies power to a battery, the battery supplies power to a WIFI SOC XR872 system, a minimum operation system and a power supply management unit, the utility model relates to an audio acquisition device which comprises a WIFI circuit, a main control chip XR872 and a clock oscillation circuit, the WIFI circuit is externally connected with a ceramic antenna and is responsible for wide area network connection, the D sound acquisition circuit is externally connected with an analog microphone to acquire sound signals, a WIFI SOC (system on chip) with the model of XR872 is adopted by the mainboard design, the microphone is integrated on the mainboard to acquire external audio, the mainboard supports an SPI (serial peripheral interface) display screen, and the main control chip XR872 is connected with the clock oscillation circuit. The action expression can be displayed, the main control chip has a networking function, and information exchange with a cloud server can be carried out. By means of the design, man-machine interaction of the building block robot can be achieved, and accompanying becomes more interesting.

Description

Technical Field

[0001] The utility model relates to the technical field of building block robot motherboards, and in particular to a building block robot motherboard supporting human-computer interaction. Background Art

[0002] The mainboard of the BrickRobot system is the core component of the BrickRobot system. It controls and coordinates all of the robot's components, ensuring their proper and stable operation. The mainboard integrates a variety of circuits and components, offering powerful processing capabilities and a rich set of interfaces to meet the diverse needs of the robot. When building a BrickRobot, users need to select the appropriate mainboard based on their needs and connect the appropriate sensors, motors, and other components according to the mainboard's interfaces and features. Through programming and debugging, users can create BrickRobots with a variety of functions, such as patrol robots, transport robots, and educational robots.

[0003] However, building blocks are a common toy for young children, and building with them is a favorite activity for them. Traditional building blocks only support the transformation of various geometric shapes. Lack of electronic elements and support for human-computer interaction prevents interaction with children, making it more enjoyable for children to be accompanied. A Wi-Fi SoC chip supports Wi-Fi networking. It also drives an SPI interface display, supports analog microphone sound acquisition, and supports analog audio output. Based on this, a tiny motherboard was designed and integrated into the building block toy, enabling human-machine voice interaction and image expression display, making the building block robot even more interesting.

[0004] Therefore, it is necessary to provide a building block robot motherboard that supports human-computer interaction to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a building block robot motherboard that supports human-computer interaction.

[0006] The utility model provides a building block robot mainboard supporting human-computer interaction, comprising:

[0007] Charging and power management: the type-c interface powers the motherboard, the battery is charged through the LTK41056B charging chip, and the battery powers the WIFI SOC XR872 system;

[0008] The minimum operating system consists of a nor FLASH, the main control chip XR872 and the clock oscillation circuit;

[0009] WIFI circuit, externally connected to a ceramic antenna, responsible for wide area network connection; D sound collection circuit, externally connected to an analog microphone to collect sound signals;

[0010] Sound collection circuit, externally connected to an analog microphone to collect sound signals;

[0011] Audio power amplifier circuit, XR872 outputs analog audio signal, amplifies the sound through the playback chip LTK5158D, and then drives the external speaker;

[0012] Display circuit, the main control transmits the image to the display screen through the SPI interface, and the display screen is responsible for displaying various animated expressions;

[0013] The sensor circuit consists of an MSA310 sensor, which collects information about external vibration or placement direction and transmits it to the XR872 main control via I2C signals;

[0014] The storage circuit is composed of a 128M SD NAND chip, which is responsible for storing various emoticon image packages. Preferably, the charging and power management includes an LTK41056B charging chip and a WIFI SOC XR872;

[0015] The LTK41056B charging chip uses an advanced charging algorithm to achieve fast charging of lithium batteries. It has multiple charging modes such as constant current and constant voltage, and can automatically adjust charging parameters according to the actual battery conditions to ensure charging efficiency and safety.

[0016] WIFI SOC XR872, the XR872's audio codec comes with ADC and DAC, the image encoder is capable of processing image data, and the power management unit is responsible for effectively managing the device's power to ensure excellent battery life.

[0017] Preferably, the minimum operating system includes a main control chip XR872 and a clock oscillation circuit;

[0018] The main control chip XR872 uses the ARM Cortex-M4F as its core processor, running at a frequency of up to 384MHz, providing powerful computing power for software to execute complex tasks. This enables the XR872 to easily meet the needs of advanced functions such as voice recognition;

[0019] At its core, a clock oscillator circuit is an oscillator, which utilizes some form of feedback mechanism to generate a periodic signal. This signal is typically a sine wave, square wave, or other periodic waveform. Its frequency and stability are key performance indicators for clock oscillators. To ensure clock signal stability and accuracy, clock oscillator circuits typically utilize high-quality electronic components and sophisticated circuit design.

[0020] Preferably, the WIFI circuit includes a ceramic antenna;

[0021] Ceramic antennas are based on the conversion of electromagnetic waves. Their transmitting antenna uses an electrode called an "antenna" to convert the high-frequency electric field formed between the antenna and the ground into electromagnetic waves, enabling the transmission and transmission of electromagnetic waves over long distances. The receiving antenna, on the other hand, uses the "antenna" electrode to induce electromagnetic waves in the air as an electric field, generating a high-frequency signal voltage that is then sent to the receiver for signal processing.

[0022] Preferably, the audio power amplifier circuit includes LTK5158D;

[0023] LTK5158D is a 7V voltage-resistant, anti-crackling mono Class F audio power amplifier.

[0024] Preferably, the sensor circuit includes MSA310;

[0025] The MSA310 supports multiple calibration functions, including but not limited to calibration of multiple physical quantities such as voltage, current, resistance, frequency, pressure, temperature, etc. This allows users to calibrate multiple instruments using a single device.

[0026] Compared with related technologies, the building block robot motherboard supporting human-computer interaction provided by the present invention has the following beneficial effects:

[0027] 1. A building block robot motherboard that supports human-computer interaction. The motherboard design uses a WIFI SOC, model XR872. The motherboard has an integrated microphone to collect external audio. The motherboard supports an SPI interface display screen that can display this action expression.

[0028] 2. A building block robot motherboard that supports human-computer interaction. Its main control chip provides networking capabilities and can exchange information with cloud servers. This design allows the building block robot to achieve human-computer interaction, making companionship more interesting. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall circuit operation architecture of the present invention.

[0030] Labels in the figure: A, charging and power management; B, minimum operating system; C WIFI circuit; D, sound collection circuit; E, audio amplifier circuit; F, display circuit; G, sensor circuit; H, storage circuit. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figure 1 The embodiment of the present invention provides a building block robot motherboard supporting human-computer interaction, comprising:

[0033] Charging and power management A, the type-c interface powers the motherboard, the battery is charged through the LTK41056B charging chip, and the battery powers the WIFI SOC XR872 system;

[0034] The minimum operating system B consists of a nor FLASH, the main control chip XR872 and the clock oscillation circuit;

[0035] WIFI circuit C, externally connected to a ceramic antenna, is responsible for wide area network connection; sound collection circuit D, externally connected to an analog microphone to collect sound signals;

[0036] Sound collection circuit D, externally connected to an analog microphone to collect sound signals;

[0037] Audio power amplifier circuit E, XR872 outputs analog audio signal, amplifies the sound through the playback chip LTK5158D, and then drives the external speaker;

[0038] Display circuit F, the main control transmits the image to the display screen through the SPI interface, and the display screen is responsible for displaying various animated expressions;

[0039] Sensor circuit G, consisting of an MSA310 sensor, collects information about external vibration or placement direction and transmits it to the XR872 main control via I2C signals;

[0040] The storage circuit H, consisting of a 128M SD NAND chip, is responsible for storing various expression image packages.

[0041] Charging and power management A includes LTK41056B charging chip and WIFI SOC XR872;

[0042] The LTK41056B charging chip uses an advanced charging algorithm to achieve fast charging of lithium batteries. It has multiple charging modes such as constant current and constant voltage, and can automatically adjust charging parameters according to the actual battery conditions to ensure charging efficiency and safety.

[0043] WIFI SOC XR872, the XR872's audio codec comes with ADC and DAC, the image encoder is able to process image data, and the power management unit PMU is responsible for effectively managing the device's power to ensure excellent battery life.

[0044] The minimum operating system B includes the main control chip XR872 and the clock oscillation circuit;

[0045] The main control chip XR872 uses the ARM Cortex-M4F as its core processor, running at a frequency of up to 384MHz, providing powerful computing power for software to execute complex tasks. This enables the XR872 to easily meet the needs of advanced functions such as voice recognition;

[0046] At its core, a clock oscillator circuit is an oscillator, which utilizes some form of feedback mechanism to generate a periodic signal. This signal is typically a sine wave, square wave, or other periodic waveform. Its frequency and stability are key performance indicators for clock oscillators. To ensure clock signal stability and accuracy, clock oscillator circuits typically utilize high-quality electronic components and sophisticated circuit design.

[0047] WIFI circuit C includes a ceramic antenna;

[0048] Ceramic antennas are based on the conversion of electromagnetic waves. Their transmitting antenna uses an electrode called an "antenna" to convert the high-frequency electric field formed between the antenna and the ground into electromagnetic waves, enabling the transmission and transmission of electromagnetic waves over long distances. The receiving antenna, on the other hand, uses the "antenna" electrode to induce electromagnetic waves in the air as an electric field, generating a high-frequency signal voltage that is then sent to the receiver for signal processing.

[0049] Audio power amplifier circuit E includes LTK5158D;

[0050] LTK5158D is a 7V voltage-resistant, anti-crackling mono Class F audio power amplifier.

[0051] Sensor circuit G includes MSA310;

[0052] The MSA310 supports multiple calibration functions, including but not limited to calibration of multiple physical quantities such as voltage, current, resistance, frequency, pressure, temperature, etc. This allows users to calibrate multiple instruments using a single device.

[0053] During operation, the design uses an analog microphone, which is triggered by the G-SENSOR sensor on the motherboard to collect microphone sound. After the microphone collects the sound, it is transmitted to the WIFI SOC XR872. After the XR872 collects the sound, it is compressed by the internal MCU and transmitted to the iFlytek cloud via WIFI. After receiving the audio, the iFlytek cloud server converts the audio into text, analyzes the voice intent, and transmits the corresponding answer information back to the WIFI SOC XR872 via WIFI. After receiving the cloud information, the XR872 transmits it to the power amplifier chip LTK5158D in the form of audio. The power amplifier chip LTK5158D amplifies the sound and plays it through the speaker.

[0054] Charging and power management A, the type-c interface powers the motherboard, and the battery is charged through the LTK41056B charging chip. The battery powers the WIFI SOC XR872 system. The XR872 has an internal PMU power management and can output 3.3V power to the outside. The internal RF amplifier circuit of the XR872 is powered by an external DC-DC 1.8V. The minimum operating system B consists of a nor FLASH, the main control chip XR872 and the clock oscillation circuit, which is responsible for the operation of the entire system and various data processing, including sound input, sound output, and image output drive. The WIFI circuit C is externally connected to a ceramic antenna and is responsible for wide area network connection. The sound acquisition circuit D is externally connected to an analog microphone to collect sound signals. The audio power amplifier circuit E, the XR872 outputs analog audio signals, amplifies the sound through the power amplifier chip LTK5158D, and then drives the external speaker. The display circuit F, the main control transmits the image to the display through the SPI interface. The display screen is responsible for displaying various animated expressions. The sensor circuit G, composed of an MSA310 sensor, collects information about external vibration or placement direction and transmits it to the XR872 main control via I2C signals. The storage circuit H, composed of a 128M SDNAND chip, is responsible for storing various expression image packages.

[0055] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0056] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A building block robot motherboard supporting human-computer interaction, characterized in that: include: Charging and power management (A): The type-c interface powers the motherboard, the battery is charged through the LTK41056B charging chip, and the battery powers the WiFi SOC XR872 system; The minimum operating system (B) consists of a nor FLASH, the main control chip XR872 and the clock oscillation circuit; WIFI circuit (C), externally connected to a ceramic antenna, responsible for wide area network connection; D sound collection circuit, externally connected to an analog microphone to collect sound signals; Sound collection circuit (D), externally connected to an analog microphone to collect sound signals; Audio power amplifier circuit (E), XR872 outputs analog audio signal, amplifies the sound through the playback chip LTK5158D, and then drives the external speaker; Display circuit (F), the main control transmits the image to the display screen through the SPI interface, and the display screen is responsible for displaying various animated expressions; The sensor circuit (G) consists of an MSA310 sensor, which collects information about external vibration or placement direction and transmits it to the XR872 main control via I2C signals; The storage circuit (H) consists of a 128M SD NAND chip and is responsible for storing various expression image packages.

2. A building block robot motherboard supporting human-computer interaction according to claim 1, characterized in that: The charging and power management (A) includes the LTK41056B charging chip and the WIFI SOC XR872; WIFI SOC XR872, the XR872's audio codec comes with ADC and DAC, the image encoder is able to process image data, and the power management unit (PMU) is responsible for effectively managing the device's power to ensure excellent battery life.

3. The mainboard of a building block robot supporting human-computer interaction according to claim 1, characterized in that: The minimum operating system (B) includes a main control chip XR872 and a clock oscillation circuit; The main control chip is XR872, which uses ARM Cortex-M4F as its core processor and runs at a frequency of up to 384MHz.

4. The mainboard of a building block robot supporting human-computer interaction according to claim 1, characterized in that: The WIFI circuit (C) includes a ceramic antenna; Ceramic antennas are based on the conversion of electromagnetic waves. Their transmitting antenna converts the high-frequency electric field formed between the antenna and the ground into electromagnetic waves through an electrode called "antenna", thereby being able to transmit and transmit electromagnetic waves over long distances. The receiving antenna uses the "antenna" electrode to induce the electromagnetic waves in the air as an electric field, generating a high-frequency signal voltage, which is then sent to the receiver for signal processing.

5. The mainboard of a building block robot supporting human-computer interaction according to claim 1, characterized in that: The audio power amplifier circuit (E) includes LTK5158D; LTK5158D is a 7V voltage-resistant, anti-crackling mono Class F audio power amplifier.

6. The mainboard of a building block robot supporting human-computer interaction according to claim 1, characterized in that: The sensor circuit (G) includes the MSA 310 .

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