Network voice switching module
By using network voice transfer module with network switching technology between short-wave radio stations and ultra-short-wave radio stations, the problem of single interface and poor flexibility of traditional equipment is solved, and efficient and reliable communication and flexible configuration are achieved.
Patent Information
- Application Number
- CN202510032451.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-05-16
AI Technical Summary
Traditional voice-to-relay devices have single interfaces, poor flexibility and complex configuration, which cannot meet the efficient and reliable communication needs between short-wave radio stations and ultra-short-wave radio stations.
Using network switching technology, a network voice adapter module is designed, including a network switching board and adapter board, and the connection and flexible configuration between short-wave radio stations and ultra-short-wave radio stations are realized through the serial port and network port interface.
It realizes efficient and reliable communication between short-wave radio stations and ultra-short-wave radio stations, supports multiple adaptation modes, is compatible with multiple radio stations, and has a built-in power protection circuit to adapt to communication needs in different scenarios.
Smart Images
Figure CN120017613A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of communications, and in particular to a network voice switching module. Background Art
[0002] In modern communication systems, shortwave radios and ultra-shortwave radios are important means of communication and are widely used in military, emergency communications, telecommunications and other fields. However, traditional voice switching equipment usually has problems such as a single interface, poor flexibility, and complex configuration, and cannot meet the needs of efficient and reliable communication between shortwave radios and ultra-shortwave radios. In the prior art, voice switching equipment often only supports a single communication interface and protocol, and cannot achieve compatibility and interoperability between shortwave radios and ultra-shortwave radios. In addition, the configuration and management methods of these devices are relatively complex, which is not conducive to rapid response and flexible adjustment. Therefore, a new type of network voice switching module is needed to improve the communication reliability and flexibility between shortwave radios and ultra-shortwave radios. Summary of the invention
[0003] The invention provides a network voice switching module, which realizes the connection and flexible configuration between a shortwave radio station and an ultrashortwave radio station by adopting a network switching technology, so as to meet the diversified requirements of a modern communication system.
[0004] To achieve the above object, the embodiments of the present invention adopt the following technical solutions: A network voice switching module, used for switching and controlling multi-channel network voices, comprising: A network switching board, comprising an MCU core module, a serial port circuit, a switching circuit and a power module, wherein the network switching board is provided with at least one serial port interface leading to the outside and at least five network port interfaces leading to the outside, and the serial port circuit and the switching circuit are both communicatively connected with the MCU core module; The adapter board is connected to the network switching board through a connector. The adapter board includes a protection circuit and a network tap. A power port is provided on the adapter board. The power port is connected to the protection circuit, and the protection circuit is connected to the power module. The adapter board is provided with at least 5 external network ports connected to the network tap. A shortwave radio or an ultrashortwave radio is connected to the network switching board through the network port of the adapter board to realize the transfer of voice data.
[0005] In one embodiment, the MCU core module adopts an X2000E-PHY core card.
[0006] In one embodiment, the switching circuit uses a SF2507 network switching chip.
[0007] In one embodiment, the power module outputs at least three working power supplies.
[0008] In one embodiment, the adapter board is provided with at least one serial port interface leading out to the outside, and the serial port circuit is connected to the serial port interface of the adapter board through the serial port interface of the network switch board for output.
[0009] In one embodiment, the adapter board is also provided with a network port indicator light corresponding to the network port interface.
[0010] In one embodiment, the network voice transfer module is connected to a host computer via a serial port or a network port, and the host computer is used to configure a transfer mode of the network voice transfer module, wherein the transfer mode includes a one-way transfer mode, a two-way transfer mode, and a cancel transfer mode, wherein: The one-way transfer mode is that when the network voice transfer module receives the voice data from the shortwave radio and ultra-shortwave radio network ports, it only allows the voice data of one radio station to be transferred and output to the network interface corresponding to the other radio station; The two-way transfer mode is that when the network voice transfer module receives the voice data of the shortwave radio, it automatically forwards it to the network port interface corresponding to the ultra-shortwave radio, or when the network voice transfer module receives the voice data of the ultra-shortwave radio, it automatically forwards it to the network port interface corresponding to the shortwave radio; The cancel transfer mode means that when the network voice transfer module receives voice data from a shortwave radio station or an ultra-shortwave radio station, the voice data will not be forwarded.
[0011] The beneficial effect of the present invention is to provide a network voice switching module for realizing the switching and control of multi-channel network voice, including a network switching board and a switching board, the network switching board includes an MCU core module, a serial port circuit, a switching circuit and a power module, the switching board includes a protection circuit and a network tap, the network switching board is provided with at least one serial port interface leading outward and at least five network ports leading outward, the switching board is provided with at least five network ports leading outward connected to the network tap, and a shortwave radio or an ultra-shortwave radio is connected to the network switching board through the network port interface of the switching board to realize the switching of voice data. The present invention can realize a variety of switching modes through software configuration, and users can flexibly adjust according to actual needs to adapt to communication needs in different scenarios; a standard network interface and a serial interface are provided, which can be compatible with a variety of shortwave radio stations and ultra-shortwave radio stations to realize seamless connection; a power protection circuit and a stable power module are built-in to ensure normal operation in harsh environments; by adding a network interface and a switching board, the processing capacity and communication range of the module can be easily expanded. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. 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 creative work.
[0013] Figure 1 A schematic diagram of a network voice switching module according to the present invention; Figure 2 This is a functional block diagram of the MCU core module of the present invention; Figure 3 It is a principle block diagram of the switching circuit described in the present invention; Figure 4 This is a principle block diagram of the power module described in the present invention; Figure 5 The figure is a working schematic diagram of the network switching board described in the present invention. DETAILED DESCRIPTION
[0014] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0015] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0016] 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 described embodiments 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 creative work are within the scope of protection of the present invention.
[0017] like Figure 1As shown, the network voice switching module of the embodiment of the present invention is used to realize the switching and control of multi-channel voice, including a network switching board and a switching board. The network switching board includes an MCU core module, a serial port circuit, a switching circuit and a power module, wherein the MCU core module is responsible for the overall control logic, the serial port circuit provides a serial communication interface with an external device, the switching circuit is responsible for the network switching of voice data, and the power module provides a stable power supply for the entire module. The switching board is connected to the network switching board through a connector.
[0018] The network switching board is provided with at least one serial port interface leading out to the outside and at least five network ports leading out to the outside, and the serial port circuit and the switching circuit are both communicatively connected with the MCU core module. In this embodiment, the MCU core module adopts an X2000E-PHY core card, the CPU of the X2000E-PHY core card adopts the domestic X2000E, and the X2000E adopts the domestic YT8521SH network port chip, and the 2-way GMAC interface can be converted into 2-way Gigabit network ports on the X2000E-PHY core card. The operating temperature of the X2000E-PHY core card is -40℃~+85℃; its core adopts a unique dual XBurst@2+XBurst@0 three-core structure with a maximum main frequency of 1.5Ghz; it integrates 32kb SRAM, 512KB L2CACHE, high-performance floating-point unit and 128b SIMD unit; built-in 2Gb LPDDR2; 16KB Boot ROM; 16KB Security ROM; supports H.264 video format encoding and decoding and JPEG decoding; supports 8-channel digital MIC, 1 analog audio, 3 I2S and 1 PCM; supports 1280×720@60Hz resolution; has 2 Gigabit Ethernet controllers (GMAC0, GMAC1); has 1 parallel bus LC_BUS, 6 I2C, 2 SSI, 10 serial ports; has 1 USB2.0 for software upgrade. The principle block diagram of X2000E-PHY is as follows Figure 2 shown.
[0019] The switching circuit of this embodiment adopts the SF2507 network switching chip, which can realize the conversion of MII interface to 100M network port. It integrates 5 low-power GigaPHYs, which can support 1000Base-T / 100Base-TX / 10Base-T / 100M-FX; it integrates 2 GMAC ports, which can support RGMII / RMII / MII protocols; based on the spanning tree protocol and multiple spanning tree protocol, it supports 16 groups of port configurations: disabling, blocking, learning and forwarding; it supports the assignment of 8 priorities to each received message. The priority can be based on PORT, based on 802.1p / Q VLAN, based on the DSCP field in the IPv4 or IPv6 header, and based on the priority assigned by ACL; a 4K VLAN table is provided to support four protocol-based VLAN configurations; the operating temperature of the SF2507 chip is between -40℃ and 85℃. The principle block diagram of the SF2507 chip is shown below. Figure 3 shown.
[0020] The adapter board is connected to the network switching board through a connector. The adapter board includes a protection circuit and a network tap. The adapter board is responsible for the signal connection at the physical level. It is linked to the network switching board through the network port interface on the network tap, and forwards the received signal to the corresponding output port through the internal circuit. The adapter board is provided with a power port, which is connected to the protection circuit. The protection circuit is connected to the power module to ensure the safety and stability of the power supply. The adapter board is provided with at least 5 external network ports connected to the network tap. The shortwave radio or ultra-shortwave radio is connected to the network switching board through the network port interface of the adapter board to realize the transfer of voice data. The adapter board is also provided with at least 1 external serial port interface. The serial port circuit is connected to the serial port interface of the adapter board through the serial port interface of the network switching board for data output.
[0021] The adapter board is also equipped with network port indicator lights corresponding to the network port interfaces. These indicator lights can reflect the connection status, data transmission status, etc. of the network port interfaces in real time, making it convenient for users to troubleshoot and monitor the status.
[0022] In actual applications, the power output module outputs at least three working power supplies to power each module. The power module uses the domestic SB20W-024S05 chip. The input range of this power module is DC 9V~36V, the output is DC 5V, the maximum output current of the power module is 4A, the maximum output power consumption is 20W, the conversion efficiency is not less than 87%, and the output voltage ripple is not more than 75mV, which meets the index requirements of DC 10.8V~13.2V. The power module adopts a six-sided metal structure, with a thermal design attached to the chassis and a heat sink for heat conduction treatment, and the overall electromagnetic compatibility and thermal design are met. The power module is designed with input undervoltage protection, output overcurrent protection, output short circuit protection, output overvoltage protection and overtemperature protection. The operating temperature of the power module is -55℃~+100℃.
[0023] The DC 5V after the power module is stepped down is then converted through multiple domestic WD1038DH / Well Semiconductor (operating temperature -40℃~+95℃) on the network switching board, and outputs DC3.3V, DC1.8V, and DC1.1V respectively after DCDC conversion. Each voltage is supplied to the corresponding functional circuit module. The schematic diagram is as follows Figure 4 shown.
[0024] During operation, the voice service message data from the shortwave radio and ultra-shortwave radio is tapped through the adapter board and enters the network switch board for voice service message data exchange, thereby realizing the network voice service message data transfer function of various radio stations. The network switch board forwards the voice data to the specified network interface according to the configuration information, thereby realizing the communication transfer between the shortwave radio and the ultra-shortwave radio. The working data exchange example diagram is referenced Figure 5 shown.
[0025] The network voice switching module of this embodiment also supports flexible configuration and management methods. It can support network digital voice through network switching. It can be connected to a host computer such as a computer through a network port and a serial port, and the configuration and management of the voice switching module can be realized by software. The host computer can configure the voice switching mode of this module through the network port or the serial port, including a one-way switching mode, a two-way switching mode, and a cancellation switching mode, to meet the communication needs in different scenarios.
[0026] Among them, the one-way transfer mode is that when the network voice transfer module receives the voice data of the shortwave radio and ultra-shortwave radio network ports, it only allows the voice data of one radio station to be transferred and output to the network interface corresponding to the other radio station; The two-way transfer mode is that when the network voice transfer module receives the voice data of the shortwave radio, it automatically forwards it to the network port interface corresponding to the ultra-shortwave radio, or when the network voice transfer module receives the voice data of the ultra-shortwave radio, it automatically forwards it to the network port interface corresponding to the shortwave radio; The cancel transfer mode means that when the network voice transfer module receives voice data from a shortwave radio station or an ultra-shortwave radio station, the voice data will not be forwarded.
[0027] The present invention can realize a variety of switching modes through software configuration, and users can flexibly adjust according to actual needs to adapt to communication needs in different scenarios; it is equipped with a standard network interface and a serial interface, which can be compatible with a variety of shortwave radio stations and ultra-shortwave radio stations to achieve seamless connection; it has a built-in power protection circuit and a stable power module to ensure normal operation in harsh environments; by adding a network interface and a adapter board, the processing capacity and communication range of the module can be easily expanded.
[0028] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the scope of the patent of the present invention.
[0029] In order to make it easier for ordinary technicians in the field to understand the improvements of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and for the sake of clarity, some other elements are omitted in this application document. Ordinary technicians in the field should realize that these omitted elements may also constitute the content of the present invention.
Claims
1. A network voice switching module, used to realize the switching and control of multi-channel network voice, characterized in that: include: A network switching board, comprising an MCU core module, a serial port circuit, a switching circuit and a power module, wherein the network switching board is provided with at least one serial port interface leading to the outside and at least five network port interfaces leading to the outside, and the serial port circuit and the switching circuit are both communicatively connected with the MCU core module; The adapter board is connected to the network switching board through a connector. The adapter board includes a protection circuit and a network tap. A power port is provided on the adapter board. The power port is connected to the protection circuit, and the protection circuit is connected to the power module. The adapter board is provided with at least 5 external network ports connected to the network tap. A shortwave radio or an ultrashortwave radio is connected to the network switching board through the network port of the adapter board to realize the transfer of voice data.
2. The network voice switching module according to claim 1, characterized in that: The MCU core module adopts the X2000E-PHY core card.
3. The network voice switching module according to claim 1, characterized in that: The switching circuit adopts SF2507 network switching chip.
4. The network voice switching module according to claim 1, characterized in that: The power supply module outputs at least three working power supplies.
5. The network voice switching module according to claim 1, characterized in that: The adapter board is provided with at least one serial port interface leading outward, and the serial port circuit is connected to the serial port interface of the adapter board through the serial port interface of the network switch board for output.
6. The network voice switching module according to claim 1, characterized in that: The adapter board is also provided with a network port indicator light corresponding to the network port interface.
7. The network voice switching module according to any one of claims 1 to 6, characterized in that: The network voice transfer module is connected to the host computer via a serial port or a network port. The host computer is used to configure the transfer mode of the network voice transfer module. The transfer mode includes a one-way transfer mode, a two-way transfer mode and a cancel transfer mode, wherein: The one-way transfer mode is that when the network voice transfer module receives the voice data from the shortwave radio and ultra-shortwave radio network ports, it only allows the voice data of one radio station to be transferred and output to the network interface corresponding to the other radio station; The two-way transfer mode is that when the network voice transfer module receives the voice data of the shortwave radio, it automatically forwards it to the network port interface corresponding to the ultra-shortwave radio, or when the network voice transfer module receives the voice data of the ultra-shortwave radio, it automatically forwards it to the network port interface corresponding to the shortwave radio; The cancel transfer mode means that when the network voice transfer module receives voice data from a shortwave radio station or an ultra-shortwave radio station, the voice data will not be forwarded.