Remote control terminal of short-wave radio station

Abstract

The short-wave radio remote control terminal comprises a first main body and a second main body which can be opened and closed, a power supply module and a control mainboard which are electrically connected are arranged in the first main body, a keyboard, a short-wave radio remote control port, a short-wave radio channel port and a power supply interface are arranged in the first main body, the power supply interface is electrically connected with the power supply module, and the second main body is provided with a display screen. A comprehensive modem module, a short-wave paging signal processing module, an RK3588S core board and a matrix analog switch chip are integrated on the control mainboard, and the comprehensive modem module, the short-wave paging signal processing module and the RK3588S core board are connected with a short-wave radio station remote control port and a short-wave radio station channel port through the matrix analog switch chip. And the display screen and the keyboard are electrically connected with the RK3588S core board. The device can be directly connected with the short-wave radio station, carries out convenient remote control operation on the short-wave radio station, completes short-wave service work, simplifies the operation of the short-wave radio station, enhances the efficiency and reliability of short-wave communication, and is suitable for more application scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of shortwave communication, in particular to a shortwave radio remote control terminal. Background Art

[0002] Shortwave communication technology has existed since the early 20th century and has continued to develop and improve in the following decades. Early shortwave communication was mainly used in the military and maritime fields, and later gradually expanded to multiple fields such as broadcasting, civil communications and emergency rescue. With the advancement of technology, shortwave communication has gradually developed from a single voice communication to a digital communication form that can support datagrams. In addition, the development of modulation and demodulation technology has significantly improved shortwave communication in terms of data transmission rate and communication quality. As a technology that uses high frequency (HF) bands for long-distance communication, shortwave communication has the advantages of wide coverage, low cost and global communication under certain conditions. These characteristics make shortwave communication an important means of communication for long-distance communication, especially in remote areas or emergency situations. As an important form of shortwave communication, datagram communication accounts for about 80% of the communication business volume. It mainly covers data transmission and information exchange, and is one of the key technologies for achieving efficient and reliable long-distance communication.

[0003] Although shortwave communication has gradually expanded to multiple fields, the complexity of shortwave radio operation makes it impossible for untrained personnel to use it, which is an important factor limiting its widespread application. Therefore, it is necessary to design a shortwave radio remote control terminal to simplify the operation process of shortwave radio and improve user experience and operation efficiency. Utility Model Content

[0004] The purpose of the utility model is to propose a shortwave radio remote control terminal to address the deficiencies of the prior art. The terminal can be directly connected to a shortwave radio station to conveniently remotely operate the shortwave radio station, complete shortwave business work, simplify the operation of the shortwave radio station, and enhance the efficiency and reliability of shortwave communication, so that the terminal is suitable for more application scenarios.

[0005] The technical solution to achieve the purpose of this utility model is:

[0006] A shortwave radio remote control terminal comprises an openable and closable first main body and a second main body, wherein an electrically connected power supply module and a control main board are arranged in the first main body, a keyboard is arranged on the upper surface, and a shortwave radio remote control port, a shortwave radio channel port and a power interface are arranged on the side, wherein the power interface is electrically connected to the power module, and a display screen is arranged on the lower surface of the second main body, and an integrated modem module, a shortwave paging signal processing module, an RK3588S core board and a matrix analog switch chip are integrated on the control main board, wherein the integrated modem module, the shortwave paging signal processing module and the RK3588S core board are all electrically connected to the matrix analog switch chip and the shortwave radio remote control port and the shortwave radio channel port are connected through the matrix analog switch chip, and the display screen and the keyboard are both electrically connected to the RK3588S core board.

[0007] Furthermore, the integrated modem module includes a first main control chip and a first audio codec that are electrically connected, the first main control chip is a model of JFMP130T8, and the first audio codec is a model of ES8388.

[0008] Furthermore, the shortwave paging signal processing module includes a second main control chip and a second audio codec which are electrically connected, the model of the second main control chip is XC7K160TFBG676, and the model of the second audio codec is AIC20.

[0009] Furthermore, the model of the matrix analog switch chip is CH446Q.

[0010] Furthermore, an optocoupler isolation chip is integrated on the control main board, and the optocoupler isolation chip is connected between the matrix analog switch chip and the shortwave radio channel port.

[0011] Furthermore, an operational amplifier chip is integrated on the control main board, and the operational amplifier chip is connected between the matrix analog switch chip and the shortwave radio channel port.

[0012] Furthermore, a rechargeable battery and a power management module are provided in the first body, and both the rechargeable battery and the power module are electrically connected to the RK3588S core board through the power management module.

[0013] Furthermore, the side of the first body is also provided with an HDMI display interface, a USB universal interface and an RJ45 data network port, all of which are electrically connected to the RK3588S core board.

[0014] Furthermore, a sound card chip is integrated on the control main board, and the sound card chip is electrically connected to the RK3588S core board and the matrix analog switch chip.

[0015] Furthermore, a lock buckle is connected between the first body and the second body.

[0016] By adopting the above technical solution, the utility model has the following beneficial effects:

[0017] (1) The utility model sets a shortwave radio remote control port to connect to a shortwave radio for transmitting control commands, such as changing the communication frequency, adjusting the working state and setting the communication parameters, and sets a shortwave radio channel port to connect to the shortwave radio to control the transmission and reception of the shortwave radio. A control main board is set that integrates an integrated modem module, a shortwave paging signal processing module, an RK3588S core board and a matrix analog switch chip. The operation of each module is controlled by the RK3588S core board, and a serial port routing module and a channel matrix module are constructed by the matrix analog switch chip to realize the communication between the terminal and the external shortwave radio. The radio can arbitrarily route and switch signal channels, and use the integrated modem module to modulate and demodulate data according to different communication requirements and channel conditions to achieve efficient data transmission. The shortwave paging signal processing module is used to process the shortwave paging signal to achieve the modulation and sending functions of the shortwave paging signal to support shortwave paging communication, thereby enhancing the efficiency and reliability of shortwave communication. The overall structure is a portable reinforced computer, and is equipped with a keyboard and a display. The data to be sent is directly input through the keyboard, and the received data is directly displayed on the display, which greatly simplifies the operation process of the shortwave radio station and improves the user experience.

[0018] (2) The integrated modem module of the utility model adopts the first main control chip of model JFMP130T8 as the core of the module, loads and executes various modulation and demodulation algorithms of the signal, processes user instructions, controls the data flow and manages the communication with other interfaces. The first audio codec of model ES8388 is responsible for converting the digital audio signal into an analog signal for transmission by the shortwave radio station, and converting the analog signal into a digital signal for processing by the first main control chip, thereby realizing the integrated modulation and demodulation function.

[0019] (3) The utility model adopts a second main control chip of model XC7K160TFBG676 as the core of the module, which is responsible for loading and executing the modulation and demodulation algorithm of the signal, processing user instructions, controlling the data flow, and managing the communication with other interfaces. The second audio codec of model AIC20 is responsible for converting the digital audio signal into an analog signal for transmission by the shortwave radio station, and converting the analog signal received by the shortwave radio station into a digital signal for processing by the second main control chip, thereby realizing the modulation and transmission function of multiple signals.

[0020] (4) The utility model adopts a matrix analog switch chip of model CH446Q, thereby providing a flexible data exchange path between the integrated modem module, the shortwave paging signal processing module and the RK3588S core board.

[0021] (5) The utility model realizes the electrical isolation of the PTT signal by providing an optical coupling isolation chip, thereby protecting the terminal from electrical interference.

[0022] (6) The utility model achieves audio signal amplification by providing an operational amplifier chip, thereby ensuring the quality and stable transmission of the audio signal.

[0023] (7) The utility model provides a backup power supply by setting a rechargeable battery, thereby ensuring that the terminal device can operate stably even under extreme or unstable power conditions.

[0024] (8) The utility model facilitates function expansion by providing multiple external interfaces, such as an HDMI display interface, a USB universal interface, and an RJ45 data network port.

[0025] (9) The utility model realizes audio playback of the terminal by means of a built-in sound card chip, and has more functions.

[0026] (10) The utility model provides a lock buckle to achieve locking when the first body and the second body are closed, thereby preventing accidental touching of the keyboard and improving safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0028] Figure 1 It is a schematic diagram of the structure of the utility model;

[0029] Figure 2 It is a schematic diagram of the hardware architecture of the present utility model.

[0030] The reference numerals in the accompanying drawings are:

[0031] First body 1, second body 2, power module 3, keyboard 4, shortwave radio remote control port 5, shortwave radio channel port 6, power interface 7, display screen 8, integrated modem module 9, shortwave paging signal processing module 10, RK3588S core board 11, matrix analog switch chip 12, optical coupling isolation chip 13, operational amplifier chip 14, rechargeable battery 15, power management module 16, HDMI display interface 17, USB universal interface 18, RJ45 data network port 19, sound card chip 20. DETAILED DESCRIPTION

[0032] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] (Example 1)

[0034] like Figure 1 to Figure 2 A shortwave radio remote control terminal shown in the figure comprises a first main body 1 and a second main body 2 which can be opened and closed. An electrically connected power module 3 and a control main board are arranged in the first main body 1. A keyboard 4 is arranged on the upper surface, and a shortwave radio remote control port 5, a shortwave radio channel port 6 and a power interface 7 are arranged on the side. The power interface 7 is electrically connected to the power module 3 to provide the terminal with a voltage that meets the use requirements. A display screen 8 is arranged on the lower surface of the second main body 2 to form a portable reinforced computer structure. The data to be sent is directly input through the keyboard 4, and the received data is directly displayed by the display screen 8, which greatly simplifies the operation process of the shortwave radio and improves the user experience. An integrated modem module 9, a shortwave paging signal processing module 10, an RK3588S core board 11 and a matrix analog switch chip 12 are integrated on the control main board. The integrated modem module 9, the shortwave paging signal processing module 10 and the RK3588S core board 11 are all electrically connected to the matrix analog switch chip 12 and connected to the shortwave radio remote control port 5 and the shortwave radio channel port 6 through the matrix analog switch chip 12. The display screen 8 and the keyboard 4 are both electrically connected to the RK3588S core board 11, and the operation of each module is controlled by the RK3588S core board 11. The serial port routing module and the channel matrix module are constructed through the matrix analog switch chip to realize arbitrary routing and switching of signal channels inside the terminal and between the terminal and the external shortwave radio station. The integrated modem module 9 is used to modulate and demodulate data according to different communication requirements and channel conditions to achieve efficient data transmission. The shortwave paging signal processing module 10 is used to process the shortwave paging signal to realize the modulation and sending function of the shortwave paging signal to support shortwave paging communication, thereby enhancing the efficiency and reliability of shortwave communication.

[0035] Specifically, a lock is connected between the first body 1 and the second body 2, and when the first body 1 and the second body 2 are closed, they are locked to avoid accidental touching of the keyboard and improve safety in use.

[0036] The terminal is connected to the shortwave radio station through the shortwave radio remote control port 5 to transmit control commands, so that the terminal can remotely operate the shortwave radio station, such as changing the communication frequency, adjusting the working status and setting the communication parameters. The terminal is connected to the shortwave radio station through the shortwave radio channel port 6. The interface supports 4-wire balanced transmission for the transmission of audio signals and integrates the output function of the PTT (push-to-transmit) control signal to control the transmission and reception of the shortwave radio station.

[0037] The integrated modem module 9 includes an electrically connected first main control chip and a first audio codec. The first main control chip is of the model JFMP130T8, which loads and executes a variety of modulation and demodulation algorithms of signals, such as frequency shift keying (FSK) data transmission, multi-carrier parallel data transmission, single-carrier serial data transmission, orthogonal spread spectrum (QSS) data transmission, single-carrier frequency domain equalization broadband high-speed data transmission and shortwave paging modulation and demodulation algorithms, processes user instructions, controls data flow and manages communications with other interfaces, and improves the application scope and data transmission efficiency of the terminal. The first audio codec is of the model ES8388, which is responsible for converting digital audio signals into analog signals for transmission by shortwave radio stations, and converting analog signals into digital signals for processing by the first main control chip, thereby realizing the integrated modulation and demodulation function.

[0038] The shortwave paging signal processing module includes an electrically connected second main control chip and a second audio codec. The second main control chip is XC7K160TFBG676, which is responsible for loading and executing the modulation and demodulation algorithm of the signal, processing user instructions, controlling the data flow, and managing the communication with other interfaces. The second audio codec is AIC20, which is responsible for converting the digital audio signal into an analog signal for transmission by the shortwave radio station, and converting the analog signal received by the shortwave radio station into a digital signal for processing by the second main control chip, thereby realizing the modulation and transmission function of multiple signals.

[0039] The model of the matrix analog switch chip 12 is CH446Q, thereby providing a flexible data exchange path between the integrated modem module 9, the shortwave paging signal processing module 10 and the RK3588S core board 11.

[0040] The control main board is integrated with an optocoupler isolation chip 13, model APY212R2S, which is connected between the matrix analog switch chip and the shortwave radio channel port to achieve electrical isolation of the PTT signal and protect the terminal from electrical interference.

[0041] An operational amplifier chip 14 of model SGM8261 is integrated on the control main board and is connected between the matrix analog switch chip 12 and the shortwave radio channel port 6. It is responsible for amplifying the audio signal to ensure the quality and stable transmission of the audio signal.

[0042] A rechargeable battery 15 and a power management module 16 are provided in the first main body 1, and the rechargeable battery 15 and the power module 3 are electrically connected to the RK3588S core board 11 through the power management module 16. In this embodiment, the rechargeable battery 15 is a lithium battery, which provides a backup power supply to ensure that the terminal device can work stably even under extreme or unstable power conditions. The power management module 16 manages the charge and discharge of the lithium battery inside the terminal, and communicates with the RK3588S core board 11 to realize the scheduling of power consumption management.

[0043] The side of the first body 1 is also provided with an HDMI display interface 17, a USB universal interface 18 and an RJ45 data network port 19, all of which are electrically connected to the RK3588S core board 11, and has abundant external interfaces to achieve more functional expansion.

[0044] The control mainboard is integrated with a sound card chip 20, model HS-100B, which is electrically connected to the RK3588S core board 11 and the matrix analog switch chip 12 to achieve audio playback of the terminal with richer functions.

[0045] The modules of this embodiment work together through internal connections and communication protocols to complete the shortwave service work, as follows:

[0046] Internal communication: The CH446Q chip provides a flexible data exchange path between the integrated modem module, the shortwave paging signal processing module and the RK3588S core board through serial port routing and channel matrix.

[0047] Data processing: The RK3588S core board controls the integrated modem module, selects appropriate modulation and demodulation algorithms according to business requirements, and processes the sending and receiving of datagrams.

[0048] Signal transmission: The modulated signal is directed to the shortwave radio station through the channel matrix, and the signal from the shortwave radio station is received and demodulated at the same time.

[0049] Power management: The power module and power management module ensure that the terminal has a stable power supply in various working modes.

[0050] The transmission working principle of the shortwave datagram of this embodiment is as follows:

[0051] User input: The user inputs the data to be sent through the keyboard, which is processed by the RK3588S core board and sent to the integrated modem module.

[0052] Modulation process: Data is modulated by the integrated modem module using the appropriate modulation algorithm (such as FSK, QSS, etc.).

[0053] Signal routing: The modulated signal is routed to the shortwave radio channel port through the channel matrix constructed by CH446Q.

[0054] Send signal: The signal is sent out through the PTT control of the shortwave radio.

[0055] The receiving working principle of the shortwave datagram of the present embodiment is as follows:

[0056] Signal reception: The signal received by the shortwave radio station is transmitted to the terminal through the channel port.

[0057] Signal routing: Signals are routed to the integrated modem module via the channel matrix built by the CH446Q.

[0058] Demodulation process: The integrated modem module demodulates the signal according to the preset or selected demodulation algorithm.

[0059] Data presentation: The demodulated data is sent to the RK3588S core board and displayed on the display after processing.

[0060] This embodiment can be compatible with various models of shortwave radio stations through standardized interfaces and protocols, providing users with a wide range of applications. By setting a shortwave radio remote control port to connect to the shortwave radio station, it is used to transmit control commands, such as changing the communication frequency, adjusting the working state and setting communication parameters, etc., by setting a shortwave radio channel port to connect to the shortwave radio station to control the transmission and reception of the shortwave radio station, the operation of each module is controlled by the RK3588S core board, and the serial port routing module and the channel matrix module are constructed by the matrix analog switch chip to realize arbitrary routing and switching of the signal channel inside the terminal and between the terminal and the external shortwave radio station, and the integrated modem module is used to realize the modulation and demodulation of data according to different communication requirements and channel conditions to achieve efficient data transmission, and the shortwave paging signal processing module is used to process the shortwave paging signal to realize the modulation and transmission function of the shortwave paging signal to support shortwave paging communication, thereby enhancing the efficiency and reliability of shortwave communication; the whole is a portable reinforced computer structure, and is equipped with a keyboard and a display screen, and the data to be sent is directly input through the keyboard, and the received data is directly displayed by the display screen, which greatly simplifies the operation process of the shortwave radio station and improves the user experience.

[0061] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shortwave radio remote control terminal, characterized in that: It comprises a first main body and a second main body which can be opened and closed, wherein the first main body is provided with an electrically connected power supply module and a control main board, the upper surface is provided with a keyboard, the side is provided with a shortwave radio remote control port, a shortwave radio channel port and a power interface, the power interface is electrically connected to the power module, the lower surface of the second main body is provided with a display screen, the control main board is integrated with an integrated modem module, a shortwave paging signal processing module, an RK3588S core board and a matrix analog switch chip, the integrated modem module, the shortwave paging signal processing module and the RK3588S core board are all electrically connected to the matrix analog switch chip and the shortwave radio remote control port and the shortwave radio channel port are connected through the matrix analog switch chip, and the display screen and the keyboard are both electrically connected to the RK3588S core board.

2. A shortwave radio remote control terminal according to claim 1, characterized in that: The integrated modem module includes a first main control chip and a first audio codec which are electrically connected. The model of the first main control chip is JFMP130T8, and the model of the first audio codec is ES8388.

3. A shortwave radio remote control terminal according to claim 1, characterized in that: The shortwave paging signal processing module comprises a second main control chip and a second audio codec which are electrically connected. The model of the second main control chip is XC7K160TFBG676, and the model of the second audio codec is AIC20.

4. A shortwave radio remote control terminal according to claim 1, characterized in that: The model of the matrix analog switch chip is CH446Q.

5. A shortwave radio remote control terminal according to claim 1, characterized in that: An optical coupler isolation chip is integrated on the control main board, and the optical coupler isolation chip is connected between the matrix analog switch chip and the shortwave radio channel port.

6. A shortwave radio remote control terminal according to claim 1, characterized in that: An operational amplifier chip is integrated on the control main board, and the operational amplifier chip is connected between the matrix analog switch chip and the shortwave radio channel port.

7. A shortwave radio remote control terminal according to claim 1, characterized in that: A rechargeable battery and a power management module are arranged in the first main body, and both the rechargeable battery and the power module are electrically connected to the RK3588S core board through the power management module.

8. A shortwave radio remote control terminal according to claim 1, characterized in that: The side of the first body is also provided with an HDMI display interface, a USB universal interface and an RJ45 data network port, all of which are electrically connected to the RK3588S core board.

9. A shortwave radio remote control terminal according to claim 1, characterized in that: A sound card chip is integrated on the control main board, and the sound card chip is electrically connected to the RK3588S core board and the matrix analog switch chip.

10. A shortwave radio remote control terminal according to claim 1, characterized in that: A lock buckle is connected between the first body and the second body.

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