CN105515748A - Duplex communication system between Internet and smart equipment - Google Patents
Duplex communication system between Internet and smart equipment Download PDFInfo
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- CN105515748A CN105515748A CN201510845306.1A CN201510845306A CN105515748A CN 105515748 A CN105515748 A CN 105515748A CN 201510845306 A CN201510845306 A CN 201510845306A CN 105515748 A CN105515748 A CN 105515748A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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Abstract
互联网与智能设备之间的双工通信系统，涉及双工通信领域。目的在于通过更加简单的系统结构实现更加稳定的通信环境。该系统中，协议转换器接入互联网后经TTL转RS232接口转换器连接第一滤波器进行滤波操作，第一滤波器与第一信号放大器连接，对信号进行放大，将放大后的信号经第一收发端发送至第二收发端，由第二收发端接收，接收到的信号经第二信号放大器和第二滤波器后由FT232RL接口转换器连接至智能设备，完成由互联网至智能手机的通信，智能手机发送的信号按原路返回即可实现智能手机至互联网的通信。本发明能够实现距离更长、效果更加稳定的通信环境。
A duplex communication system between the Internet and smart devices relates to the field of duplex communication. The purpose is to realize a more stable communication environment with a simpler system structure. In this system, after the protocol converter is connected to the Internet, the TTL-to-RS232 interface converter is connected to the first filter for filtering operation, and the first filter is connected to the first signal amplifier to amplify the signal, and the amplified signal is passed through the second The first transceiver end sends to the second transceiver end, and is received by the second transceiver end. The received signal is connected to the smart device by the FT232RL interface converter after passing through the second signal amplifier and the second filter, and completes the communication from the Internet to the smart phone , the signal sent by the smart phone can be returned by the original route to realize the communication from the smart phone to the Internet. The invention can realize a communication environment with longer distance and more stable effect.
Description
技术领域technical field
本发明涉及双工通信领域。The present invention relates to the field of duplex communication.
背景技术Background technique
现有双工通信中发射端存在系统结构复杂、通信距离有限的问题，且目前来说，大多数系统都存在成本高，与实际应用距离较远问题，并且在长距离进行通信时，信号的传输会造成较大的影响，对通信信号的稳定性造成严重干扰。In the existing duplex communication, the transmitting end has the problems of complex system structure and limited communication distance, and at present, most systems have problems of high cost and long distance from practical applications, and when communicating over long distances, the signal The transmission will cause a large impact and cause serious interference to the stability of the communication signal.
发明内容Contents of the invention
本发明提出了一种互联网与智能设备之间的双工通信系统，目的在于通过更加简单的系统结构实现更加稳定的通信环境。The present invention proposes a duplex communication system between the Internet and smart devices, aiming at realizing a more stable communication environment through a simpler system structure.
互联网与智能设备之间的双工通信系统包括协议转换器、TTL转RS232接口转换器、第一滤波器、第二信号放大器、第一收发端、第二收发端、第二信号放大器、第二滤波器和FT232RL接口转换器，所述协议转换器接入互联网，TTL转RS232接口转换器与协议转换器连接，用于实现TCP/IP协议到UART协议的转换，协议转换器经TTL转RS232接口转换器与第一滤波器的第一滤波信号输出输入端连接，第一滤波器的第二滤波信号输出输入端与第一信号放大器的第一放大信号输入输出端连接，第一信号放大器的第二放大信号输出输入端与第一收发器的信号输入输出端连接，第一收发端与第二收发端通过无线方式实现数据传输，第二收发端的信号输出输入端与第二信号放大器的第一放大信号输入输出端连接，第二信号放大器的第二放大信号输出输入端与第二滤波器的第一滤波信号输入输出端连接，第二滤波器的第二滤波信号输出输入端经FT232RL接口转换器与智能设备连接。The duplex communication system between the Internet and smart devices includes a protocol converter, a TTL to RS232 interface converter, a first filter, a second signal amplifier, a first transceiver end, a second transceiver end, a second signal amplifier, a second Filter and FT232RL interface converter, the protocol converter is connected to the Internet, the TTL-to-RS232 interface converter is connected to the protocol converter for realizing the conversion from TCP/IP protocol to UART protocol, and the protocol converter is converted to RS232 interface through TTL The converter is connected with the first filtered signal output and input end of the first filter, the second filtered signal output and input end of the first filter is connected with the first amplified signal input and output end of the first signal amplifier, and the first signal amplifier of the first signal amplifier is connected with the first amplified signal input and output end. The two amplified signal output and input terminals are connected to the signal input and output terminals of the first transceiver, and the first transceiver terminal and the second transceiver terminal realize data transmission in a wireless manner, and the signal output and input terminals of the second transceiver terminal are connected to the first signal amplifier of the second signal amplifier. The amplified signal input and output terminals are connected, the second amplified signal output and input terminals of the second signal amplifier are connected with the first filtered signal input and output terminals of the second filter, and the second filtered signal output and input terminals of the second filter are converted through the FT232RL interface connected to the smart device.
有益效果：本发明所述的双工通信系统结构简单，通过对互联网与智能手机之间协议的转换以及无线通信方式实现距离更长、效果更加稳定的通信环境，滤波器与信号放大器的投入也能够使通信信号更加稳定，更加可靠。Beneficial effects: the duplex communication system of the present invention has a simple structure, and realizes a communication environment with a longer distance and more stable effect through the conversion of the protocol between the Internet and the smart phone and the wireless communication mode, and the input of the filter and the signal amplifier is also reduced. It can make the communication signal more stable and reliable.
附图说明Description of drawings
图1为具体实施方式一所述的双工通信系统的原理示意图；FIG. 1 is a schematic diagram of the principle of the duplex communication system described in Embodiment 1;
图2为具体实施方式二所述的第一发射端和第二发射端的原理示意图；FIG. 2 is a schematic diagram of the principles of the first transmitting end and the second transmitting end described in Embodiment 2;
图3为具体实施方式二所述的第一接收端和第二接收端的原理示意图。Fig. 3 is a schematic diagram of the principle of the first receiving end and the second receiving end described in the second specific embodiment.
具体实施方式detailed description
具体实施方式一、结合图1说明本具体实施方式，本具体实施方式所述的互联网与智能设备之间的双工通信系统包括协议转换器1、TTL转RS232接口转换器2、第一滤波器3、第一信号放大器4、第一收发端5、第二收发端6、第二信号放大器7、第二滤波器8和FT232RL接口转换器9，所述协议转换器1接入互联网，TTL转RS232接口转换器2与协议转换器连接，用于实现TCP/IP协议到UART协议的转换，协议转换器1经TTL转RS232接口转换器2与第一滤波器3的第一滤波信号输出输入端连接，第一滤波器3的第二滤波信号输出输入端与第一信号放大器4的第一放大信号输入输出端连接，第一信号放大器4的第二放大信号输出输入端与第一收发端5的信号输入输出端连接，第一收发端5与第二收发端6通过无线方式实现数据传输，第二收发端6的信号输出输入端与第二信号放大器7的第一放大信号输入输出端连接，第二信号放大器7的第二放大信号输出输入端与第二滤波器8的第一滤波信号输入输出端连接，第二滤波器8的第二滤波信号输出输入端经FT232RL接口转换器9与智能设备连接。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 1. This specific embodiment is described in conjunction with FIG. 1. The duplex communication system between the Internet and the smart device described in this specific embodiment includes a protocol converter 1, a TTL to RS232 interface converter 2, a first filter 3. The first signal amplifier 4, the first transceiver terminal 5, the second transceiver terminal 6, the second signal amplifier 7, the second filter 8 and the FT232RL interface converter 9, the protocol converter 1 is connected to the Internet, and the TTL transfer The RS232 interface converter 2 is connected with the protocol converter for realizing the conversion from the TCP/IP protocol to the UART protocol, and the protocol converter 1 transfers the first filtered signal output and input terminal of the RS232 interface converter 2 and the first filter 3 through TTL Connect, the second filtering signal output input end of the first filter 3 is connected with the first amplified signal input output end of the first signal amplifier 4, the second amplified signal output input end of the first signal amplifier 4 is connected with the first transceiver end 5 The signal input and output terminals are connected, the first transceiver terminal 5 and the second transceiver terminal 6 realize data transmission in a wireless manner, and the signal output and input terminals of the second transceiver terminal 6 are connected with the first amplified signal input and output terminals of the second signal amplifier 7 , the second amplified signal output input end of the second signal amplifier 7 is connected with the first filter signal input output end of the second filter 8, and the second filter signal output input end of the second filter 8 is connected with the FT232RL interface converter 9 Smart device connection.
具体实施方式二、结合图2和图3说明本具体实施方式，本具体实施方式与具体实施方式一所述的互联网与智能设备之间的双工通信系统的区别在于，所述第一收发端5包括第一接收端和第一发射端，第二收发端6包括第二接收端和第二发射端，且第一接收端的电路结构与第二接收端的电路结构相同，第一发射端的电路结构与第二发射端的电路结构相同，Specific Embodiment 2. This specific embodiment is described in conjunction with FIG. 2 and FIG. 3 . The difference between this specific embodiment and the duplex communication system between the Internet and smart devices described in Specific Embodiment 1 is that the first transceiver end 5 includes a first receiving end and a first transmitting end, and the second transceiver end 6 includes a second receiving end and a second transmitting end, and the circuit structure of the first receiving end is the same as that of the second receiving end, and the circuit structure of the first transmitting end Same as the circuit structure of the second transmitter,
第一发射端包括驱动电路10、无线发射电路11和电源12，所述驱动电路10用于驱动无线发射电路11，无线发射电路11用于向第二接收端发送无线通信信号，电源12用于向驱动电路10和无线发射电路11供电，The first transmitting end comprises a driving circuit 10, a wireless transmitting circuit 11 and a power supply 12, the driving circuit 10 is used to drive the wireless transmitting circuit 11, the wireless transmitting circuit 11 is used to send a wireless communication signal to the second receiving end, and the power supply 12 is used for supply power to the driving circuit 10 and the wireless transmitting circuit 11,
第二发射端的驱动电路用于驱动无线发射电路，、无线发射电路用于向第一接收端发送无线通信信号，电源用于向驱动电路和无线发射电路供电，The driving circuit of the second transmitting end is used to drive the wireless transmitting circuit, the wireless transmitting circuit is used to send wireless communication signals to the first receiving end, and the power supply is used to supply power to the driving circuit and the wireless transmitting circuit,
第一接收端包括无线接收电路13和波形转换电路14，所述无线接收电路13接收第二发射端中无线发射电路发送的无线通信信号，波形转换电路14的波形转换信号输入端与无线接收电路13的无线信号输出端连接，用于将正弦波转换为方波并对该方波进行反转，The first receiving end comprises a wireless receiving circuit 13 and a waveform conversion circuit 14, the wireless receiving circuit 13 receives the wireless communication signal sent by the wireless transmitting circuit in the second transmitting end, the waveform conversion signal input end of the waveform conversion circuit 14 and the wireless receiving circuit 13's wireless signal output connection for converting the sine wave into a square wave and inverting the square wave,
第二接收端的无线接收电路接收第一发射端中无线发射电路发送的无线通信信号，波形转换电路的波形转换信号输入端与无线接收电路的无线信号输出端连接，用于将正弦波转换为方波并对该方波进行反转。The wireless receiving circuit of the second receiving end receives the wireless communication signal sent by the wireless transmitting circuit in the first transmitting end, and the waveform conversion signal input end of the waveform conversion circuit is connected with the wireless signal output end of the wireless receiving circuit for converting the sine wave into square wave and inverts the square wave.
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| CN203827352U (en) * | 2014-05-22 | 2014-09-10 | 王虹 | Visible light duplex communication system used for carrying out information transmission between Internet and intelligent equipment |
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Patent Citations (5)
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| US20060217082A1 (en) * | 2005-03-22 | 2006-09-28 | Georg Fischer | Shaping noise in power amplifiers of duplex communication systems |
| US7697462B1 (en) * | 2007-06-13 | 2010-04-13 | L-3 Communications, Corp. | System and method for split isolation in radio frequency electronics |
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