Intelligent conference all-in-one machine with NFC function

Abstract

The utility model discloses an intelligent conference all-in-one machine with an NFC (Near Field Communication) function, which comprises a central processing unit, a power management module, a storage module, a USB (Universal Serial Bus) interface, an Ethernet communication module, an audio processor, an NFC module, a power amplifier, a loudspeaker, a display module, a buzzer, a WIFI (Wireless Fidelity) module and a key module, wherein the central processing unit is respectively connected with the power management module, the storage module, the USB interface, the Ethernet communication module, the audio processor, the NFC module, the power amplifier, the loudspeaker, the display module, the buzzer, the WIFI module and the key module, the buzzer is connected with the NFC module, the Ethernet communication module is connected with the USB interface, and the power amplifier is respectively connected with the audio processor and the loudspeaker. According to the utility model, through the cooperation of the NFC module, the Ethernet communication module and the WIFI module, the operation convenience and intelligence of the conference all-in-one machine are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic circuits, and in particular to an intelligent all-in-one conference machine with an NFC function. Background Art

[0002] With the vigorous development of the internet and related industrial technologies, the development of government and enterprise informatization has also entered a new stage of intelligence. Consequently, various enterprises have chosen all-in-one conference machines as the preferred equipment for office and teaching in the information age. As the core component for realizing intelligent office, all-in-one conference machines have various multimedia functions, which greatly improve people's communication efficiency in applications such as remote conferencing and remote working. However, with the increasing demand for high-quality intelligent office, the common all-in-one conference machines currently on the market are gradually unable to meet the required requirements. Existing all-in-one conference machines lack NFC functionality, making the convenience and intelligence of all-in-one conference machines unable to meet user needs. Furthermore, existing all-in-one conference machines still have shortcomings in network communication processing performance, and their network connection speed and processing efficiency have not met the expected results. At the same time, the high power consumption of existing all-in-one conference machines makes them unable to provide users with a satisfactory user experience. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology. The utility model provides an intelligent all-in-one conference machine with NFC function. Through the cooperation of NFC module, Ethernet communication module and WIFI module, the operation convenience and intelligence of the all-in-one conference machine are improved, and its network communication processing performance is improved, bringing a satisfactory user experience to users.

[0004] The utility model provides an all-in-one intelligent conference machine with NFC function, which includes: a central processing unit, a power management module, a storage module, a USB interface, an Ethernet communication module, an audio processor, an NFC module, a power amplifier, a speaker, a display module, a buzzer, a WIFI module and a key module, wherein:

[0005] The central processing unit is respectively connected to the power management module, storage module, USB interface, Ethernet communication module, audio processor, NFC module, power amplifier, speaker, display module, buzzer, WIFI module and key module; the buzzer is connected to the NFC module, the Ethernet communication module is connected to the USB interface, and the power amplifier is respectively connected to the audio processor and speaker.

[0006] Optionally, the power management module includes an LA1213S synchronous buck converter, an RT8059GJ5 DC-DC converter, an LC2201CCB5TR buck switching regulator and an SC8815 synchronous buck-boost controller.

[0007] Optionally, pin 3 of the RT8059GJ5 DC-DC converter is connected to a SWPA3015S4R7MT power inductor.

[0008] Optionally, the storage module includes an embedded multimedia card and a synchronous dynamic random access memory.

[0009] Optionally, the Ethernet communication module includes an RTL8306M Ethernet switching chip and an RTL8152B Ethernet controller, and the RTL8306M Ethernet switching chip is connected to the RTL8152B Ethernet controller via an Ethernet port.

[0010] Optionally, the audio processor includes an ES7241D audio converter chip and a DU562 audio processing chip, and pin 16 of the ES7241D audio converter chip is connected to pin 25 of the DU562 audio processing chip.

[0011] Optionally, the NFC module includes a card reader / writer chip based on the 14443A protocol, an NFC radio frequency circuit and an NFC transceiver antenna, and the card reader / writer chip based on the 14443A protocol is connected to the NFC radio frequency circuit via an SPI bus.

[0012] Optionally, the WIFI module adopts a SKI.WB800D.3 wireless communication module.

[0013] Optionally, the power amplifier uses an AD22653B power amplifier.

[0014] Optionally, the smart all-in-one conference machine with NFC function further includes an RTS5411 USB3.0 splitter, and the RTS5411 USB3.0 splitter is connected to the central processing unit.

[0015] The present invention provides an intelligent all-in-one conference machine with NFC function, which is equipped with an NFC module. Through the cooperation of the card reader / writer chip based on the 14443A protocol, the NFC radio frequency circuit and the NFC transceiver antenna in the NFC module, it can realize rapid pairing and connection of devices, thereby improving the convenience and intelligence of the operation of the all-in-one conference machine. Through the cooperation of the Ethernet communication module and the WIFI module, the processing performance of network communication can be improved. Through the RTL8306M Ethernet switch chip and RTL8152B Ethernet controller in the Ethernet communication module, high-speed network access and data forwarding can be achieved. Through the SKI.WB800D.3 wireless communication module of the WIFI module, efficient and reliable wireless communication can be achieved, thereby achieving more ideal network connection speed and processing efficiency. In addition, through cooperation with the power management module, its power consumption can be effectively reduced, bringing a satisfactory user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the structure of the smart all-in-one conference machine with NFC function in an embodiment of the present utility model;

[0018] Figure 2 This is a specific schematic diagram of the RT8059GJ5 DC-DC converter in an embodiment of the present utility model;

[0019] Figure 3 This is a specific schematic diagram of the connection between the ES7241D audio converter chip and the DU562 audio processing chip in an embodiment of the present invention. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying 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.

[0021] The embodiment of the present invention provides a smart conference all-in-one machine with NFC function, such as Figure 1 As shown, Figure 1A schematic diagram of the structural composition of an intelligent conference all-in-one machine with NFC function in an embodiment of the present invention is shown. The intelligent conference all-in-one machine with NFC function includes: a central processing unit, a power management module, a storage module, a USB interface, an Ethernet communication module, an audio processor, an NFC module, a power amplifier, a speaker, a display module, a buzzer, a WIFI module and a key module, wherein: the central processing unit is respectively connected to the power management module, storage module, USB interface, Ethernet communication module, audio processor, NFC module, power amplifier, speaker, display module, buzzer, WIFI module and key module, the buzzer is connected to the NFC module, the Ethernet communication module is connected to the USB interface, and the power amplifier is respectively connected to the audio processor and the speaker.

[0022] During the specific implementation of the present invention, the central processing unit is used to control the conference all-in-one machine as a whole, the power management module is used to distribute power to the various components of the conference all-in-one machine, the storage module is used to store data and programs of the conference all-in-one machine, the USB interface is used for connecting external devices and transmitting data, the Ethernet communication module is used to provide Ethernet access and communication functions for the conference all-in-one machine, the audio processor is used to process the audio of the conference all-in-one machine, the near field communication (NFC) module provides near field communication functions for the user all-in-one machine, the power amplifier is used to adjust the audio volume of the conference all-in-one machine, the speaker is used to play the audio of the conference all-in-one machine, the display module is used to display the screen of the conference all-in-one machine, the buzzer is used to issue reminder action information when the user takes action, WIFI provides WIFI control function for the conference all-in-one machine, and the button module is used to provide button function. The user inputs control instructions by pressing different buttons to control the operation of the conference all-in-one machine.

[0023] In the specific implementation process of the present invention, the power management module includes an LA1213S synchronous buck converter, an RT8059GJ5 DC-DC converter, an LC2201CCB5TR step-down switching regulator and an SC8815 synchronous buck-boost controller.

[0024] Pin 3 of the RT8059GJ5 DC-DC converter is connected to the SWPA3015S4R7MT power inductor.

[0025] Specifically, the LA1213S synchronous buck converter has a high-efficiency synchronous rectification buck architecture, which ensures voltage stability and reliability by automatically adjusting the output voltage. It also has a high-efficiency energy conversion function, can operate stably and provide high-quality power supply, reducing power loss. It also has overload protection and over-voltage protection mechanisms to ensure circuit safety and stability. The RT8059GJ5 DC-DC converter is a high-efficiency pulse-width modulated step-down DC-DC converter that can reduce conduction losses in pulse-width modulation mode, such as Figure 2 As shown, pin 3 of the RT8059GJ5 DC-DC converter is connected to the SWPA3015S4R7MT power inductor. This chip-wound power inductor, when connected to the RT8059GJ5 DC-DC converter, primarily filters and regulates current. By storing and releasing energy to influence current fluctuations, it filters, suppresses electromagnetic interference, and stabilizes current. It also improves the circuit's power factor, increases energy efficiency, and reduces energy loss. The LC2201CCB5TR step-down switching regulator can provide up to 1.5A of output current and features low-noise output. It also includes a built-in synchronous rectifier that eliminates the current sense resistor and a frequency foldback mode that prevents overheating during short-circuit output conditions. The SC8815 synchronous buck-boost controller supports reverse battery discharge. It also supports plug-in and unplug detection for adapters and devices, minimizing peripheral circuitry and greatly simplifying system design. The SC8815 synchronous buck-boost controller supports internal current limiting, overvoltage, output short-circuit, and overtemperature protection, ensuring safety in various abnormal situations. The coordinated operation of various components reduces losses without compromising power distribution efficiency.

[0026] In the specific implementation process of the present invention, the storage module includes an embedded multimedia card and a synchronous dynamic random access memory.

[0027] Specifically, the main advantage of the embedded multimedia card is that it simplifies the use of memory within the all-in-one conference machine. By integrating flash memory and a controller, storage tasks can be completed with a simplified chip. At the same time, the embedded multimedia card integrates flash management technology, providing power-loss protection and error correction functions, ensuring the reliability of stored data and achieving fast and stable data storage and access. Synchronous dynamic random access memory allows the central processing unit to directly address storage space, improving data transmission efficiency. When processing large amounts of data, it can significantly improve the system's response speed and data processing capabilities. It also supports higher storage capacity to meet the ever-changing application needs of all-in-one conference machines.

[0028] In the specific implementation process of the present invention, the Ethernet communication module includes an RTL8306M Ethernet switch chip and an RTL8152B Ethernet controller. The RTL8306M Ethernet switch chip is connected to the RTL8152B Ethernet controller through an Ethernet port.

[0029] Specifically, the RTL8306M Ethernet switch chip is a highly integrated switch chip with six Ethernet ports and multiple functional interfaces, which can provide high-speed network connection. The chip has a strong switching engine inside, which can achieve high-speed data forwarding and flow control. The chip supports virtual LAN function, which can divide the network into multiple logical subnets to improve network security and support traffic classification to ensure the transmission quality of critical data; the RTL8152B Ethernet controller is a highly integrated Ethernet controller that integrates a media access controller, USB bus controller and embedded memory. Through advanced digital signal processing technology and mixed-mode signal technology, it ensures the efficiency and stability of data transmission. The RTL8152B Ethernet controller supports operation in low-power mode, which can significantly reduce energy consumption. It can improve performance when network services are running through priority coding and LAN technology. The RTL8306M Ethernet switch chip is connected to the RTL8152B Ethernet controller through the Ethernet port. The two can work together to achieve high-speed network access and data forwarding.

[0030] In a specific implementation of the present invention, the audio processor includes an ES7241D audio converter chip and a DU562 audio processing chip, and pin 16 of the ES7241D audio converter chip is connected to pin 25 of the DU562 audio processing chip.

[0031] Specifically, the ES7241D audio converter chip is a stereo audio converter chip that can provide high-precision audio signal conversion to ensure the quality and accuracy of the audio signal. The chip has a signal-to-noise ratio of 100dB, and can capture clear and pure audio signals even in noisy environments while maintaining low distortion. The DU562 audio processing chip is a high-performance 32-bit core audio processing chip with the ability to process and enhance audio signals in real time. Through the sound equalization function, the frequency response of the audio signal can be freely adjusted to improve the clarity and balance of the music. In addition, it also has powerful noise suppression, excellent reverberation control and sound field expansion functions, as well as dynamic range control functions, which can avoid distortion or hearing discomfort caused by excessive volume differences, such as Figure 3As shown, pin 16 of the ES7241D audio converter chip is connected to pin 25 of the DU562 audio processing chip. The cooperation between the two can improve the audio processing performance of the all-in-one conference machine, enhance the audio quality, and provide users with a high-quality audio experience.

[0032] In the specific implementation process of the present utility model, the NFC module includes a card reader / writer chip based on the 14443A protocol, an NFC radio frequency circuit and an NFC transceiver antenna. The card reader / writer chip based on the 14443A protocol is connected to the NFC radio frequency circuit through an SPI bus.

[0033] Specifically, the advantages of the card reader / writer chip based on the 14443A protocol are mainly reflected in its high security, contactless, long life and wide range of applications. The 14443A protocol is a near-field communication protocol that realizes communication between the smart card and the card reader through carrier amplitude modulation and two-way negotiation, which can prevent unauthorized reading and tampering of data. Therefore, the card reader / writer chip based on the 14443A protocol can provide a strong data protection and encryption mechanism to ensure the security of data transmission and prevent data from being illegally obtained or tampered with. At the same time, the card reader / writer chip based on the 14443A protocol supports contactless operation, which means that users do not need to insert the card directly into the card reader, but can complete identity authentication or data transmission by simply approaching the card reader. This convenience improves the user experience. The chip also has a long service life and can meet the needs of various applications. The NFC radio frequency circuit can be built-in with the RC523 radio frequency chip. The NFC radio frequency circuit has high data transmission efficiency and good performance stability. It realizes contactless communication through advanced modulation and demodulation technology. The card reader / writer chip based on the 14443A protocol communicates via the serial peripheral interface (Serial Peripheral Interface). The NFC card reader is connected to the NFC radio frequency circuit. The two work together to achieve fast pairing and connection of devices, improving the convenience and intelligence of the conference all-in-one machine. The NFC transceiver antenna uses the principle of electromagnetic induction to achieve short-range wireless communication. When the user brings the card close to the antenna range, the physical card number can be automatically read and output to the terminal.

[0034] In the specific implementation process of the present utility model, the WIFI module adopts the SKI.WB800D.3 wireless communication module.

[0035] Specifically, the SKI.WB800D.3 wireless communication module is a low-power, high-performance and highly integrated wireless communication module that combines WIFI6 / BT 5.0. It provides high-performance data transmission capabilities, can meet various data transmission needs, can reduce the leakage of its own oscillations and the intrusion of external interference signals, improve communication quality, and can easily avoid interference, ensure stable communication quality, and achieve efficient and reliable wireless communication, so that network connection speed and processing efficiency can achieve more ideal results.

[0036] In the specific implementation process of the present invention, the power amplifier adopts AD22653B power amplifier.

[0037] Specifically, the AD22653B power amplifier is a stereo RF power amplifier. Compared with other power amplifiers, the AD22653B power amplifier has lower distortion and noise floor, and can optimize the low-frequency audio signals of smart TVs, thereby providing higher quality audio.

[0038] In the specific implementation process of the present utility model, the smart all-in-one conference machine with NFC function also includes an RTS5411 USB3.0 splitter, and the RTS5411 USB3.0 splitter is connected to the central processing unit.

[0039] Specifically, the RTS5411 USB 3.0 hub is an advanced USB 3.0 four-port hub controller that supports super-speed, high-speed, full-speed, and low-speed operations, providing high-speed data transmission and charging functions to meet the needs of fast data exchange.

[0040] In summary, the present invention provides an intelligent all-in-one conference machine with NFC function, which has added an NFC module. Through the cooperation of the card reader / writer chip based on the 14443A protocol, the NFC radio frequency circuit and the NFC transceiver antenna in the NFC module, it can realize fast pairing and connection of devices, and improve the convenience and intelligence of the operation of the all-in-one conference machine. Through the cooperation of the Ethernet communication module and the WIFI module, the processing performance of network communication can be improved. Through the RTL8306M Ethernet switch chip and the RTL8152B Ethernet controller in the Ethernet communication module, high-speed network access and data forwarding can be achieved. Through the SKI.WB800D.3 wireless communication module of the WIFI module, efficient and reliable wireless communication can be achieved, so that the network connection speed and processing efficiency can achieve more ideal results. And through cooperation with the power management module, its power consumption can be effectively reduced, bringing a satisfactory user experience to users.

[0041] Those skilled in the art will understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, which may include: read-only memory (ROM), random access memory (RAM), disk or optical disk, etc.

[0042] In addition, the above is a detailed introduction to an intelligent conference all-in-one machine with NFC function provided by an embodiment of the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention; at the same time, for general technical personnel in this field, based on the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. An all-in-one smart conference machine with NFC function, characterized in that: The intelligent all-in-one conference machine with NFC function includes: a central processing unit, a power management module, a storage module, a USB interface, an Ethernet communication module, an audio processor, an NFC module, a power amplifier, a speaker, a display module, a buzzer, a WIFI module and a button module, wherein: The central processing unit is respectively connected to the power management module, storage module, USB interface, Ethernet communication module, audio processor, NFC module, power amplifier, speaker, display module, buzzer, WIFI module and key module; the buzzer is connected to the NFC module, the Ethernet communication module is connected to the USB interface, and the power amplifier is respectively connected to the audio processor and speaker.

2. The intelligent all-in-one conference machine with NFC function as claimed in claim 1, characterized in that: The power management module includes an LA1213S synchronous buck converter, an RT8059GJ5 DC-DC converter, an LC2201CCB5TR step-down switching regulator, and an SC8815 synchronous buck-boost controller.

3. The all-in-one smart conference machine with NFC function as claimed in claim 2, characterized in that: Pin 3 of the RT8059GJ5 DC-DC converter is connected to the SWPA3015S4R7MT power inductor.

4. The intelligent all-in-one conference machine with NFC function according to claim 1, characterized in that: The storage module includes an embedded multimedia card and a synchronous dynamic random access memory.

5. The all-in-one smart conference machine with NFC function as claimed in claim 1, characterized in that: The Ethernet communication module includes an RTL8306M Ethernet switching chip and an RTL8152B Ethernet controller. The RTL8306M Ethernet switching chip is connected to the RTL8152B Ethernet controller via an Ethernet port.

6. The intelligent all-in-one conference machine with NFC function according to claim 1, characterized in that: The audio processor includes an ES7241D audio converter chip and a DU562 audio processing chip, and pin 16 of the ES7241D audio converter chip is connected to pin 25 of the DU562 audio processing chip.

7. The all-in-one smart conference device with NFC function according to claim 1, characterized in that: The NFC module includes a card reader / writer chip based on the 14443A protocol, an NFC radio frequency circuit, and an NFC transceiver antenna. The card reader / writer chip based on the 14443A protocol is connected to the NFC radio frequency circuit via an SPI bus.

8. The all-in-one smart conference device with NFC function as claimed in claim 1, characterized in that: The WIFI module adopts SKI.WB800D.3 wireless communication module.

9. The all-in-one smart conference device with NFC function as claimed in claim 1, characterized in that: The power amplifier adopts AD22653B power amplifier.

10. The all-in-one smart conference machine with NFC function according to claim 1, characterized in that: The smart all-in-one conference machine with NFC function also includes an RTS5411 USB3.0 splitter, which is connected to the central processing unit.

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