CN-122001674-A - Network communication module and communication system

Abstract

The invention discloses a network communication module, a communication method and a communication system, which belong to the technical field of communication equipment and comprise a control module and an audio module connected with the control module, wherein a first analog switch is provided with a first transmission channel and a second transmission channel, the first transmission channel is connected with a third transmission channel of the second analog switch, the second transmission channel is connected with an encryption module, the encryption module is connected with a fourth transmission channel of the second analog switch, and a network inlet and a network outlet are connected with the control module, and the network inlet is connected with the second analog switch. The network communication module provided by the invention is provided with two independent transmission routes, the control module can control the audio information to be encrypted and transmitted through the first analog switch and the encryption module to the second analog switch, and the audio information can also be transmitted through the first analog switch to the second analog switch in a transparent manner, so that the switching of two voice modes of a common mode and an encryption mode is realized, and the requirements of different transmission scenes are met.

Inventors

• GUO YONGQUAN
• YU LIN
• LU GEN
• ZHANG MENG
• GUO TONGZHOU
• LU HUI
• CHEN XIAOBO
• WANG XIAOJUAN
• YAN WEI
• ZHOU SHUIPING
• HU ZHI
• Fan mao
• HU JING
• HE LING
• WANG CHEN
• ZENG SHENGYONG
• JING MIN
• TIAN YE
• CAO JING
• TIAN DANDAN

Assignees

• 武汉船舶通信研究所(中国船舶集团有限公司第七二二研究所)

Dates

Publication Date

20260508

Application Date

20260319

Claims (10)

1. 1. A network communication module, comprising: a control module; An audio module connected to the control module, the audio module configured for audio input and/or output interaction with the control module; The first analog switch is connected with the control module and is provided with a first transmission channel and a second transmission channel; The encryption module is connected with the second transmission channel and is configured to convert plaintext information and ciphertext information; The second analog switch is provided with a third transmission channel and a fourth transmission channel, the third transmission channel is connected with the first transmission channel, and the fourth transmission channel is connected with the encryption module; The network inlet is connected with the control module; and the network outlet is connected with the second analog switch.
2. 2. The network communication module of claim 1, wherein the encryption module comprises a plaintext transmission end and a ciphertext transmission end, the plaintext transmission end is connected to the second transmission channel, and the ciphertext transmission end is connected to the fourth transmission channel.
3. 3. The network communication module of claim 1, wherein the first analog switch is connected to the control module via a pin, the first transmission channel is high-gated, and the second transmission channel is low-gated; The second analog switch is connected with the control module through a pin, the third transmission channel is high-gating, and the fourth transmission channel is low-gating.
4. 4. The network communication module of claim 1, wherein the audio module is a microphone, the audio module comprises a key assembly, a microphone assembly and a power amplifier assembly, the key assembly is used for controlling on-off of the audio module, the microphone assembly is used for receiving sound at the audio module and converting the sound into an audio signal, and the power amplifier assembly is used for converting the audio signal into the sound.
5. 5. The network communication module of claim 1, further comprising a switch coupled to the control module, the switch configured to switch the first transmission channel to and from the second transmission channel on the first analog switch.
6. 6. The network communication module of claim 1, further comprising a memory module, wherein the memory module is coupled to the control module.
7. 7. The network communication module of claim 1, further comprising a key module, wherein the key module is coupled to the encryption module.
8. 8. The network communication module of claim 1, wherein the control module further comprises a compression codec for compressing and decoding the audio data to reduce bandwidth occupied by audio data transmission.
9. 9. The network communication module of claim 1, wherein the audio module employs a mono 8KHz sampling rate, a 16 bit sampling bit width, and a 320 frame sampling period.
10. 10. A communication system comprising a plurality of network communication modules according to any one of claims 1 to 9, wherein the plurality of network communication modules are connected by a network switch.

Description

Network communication module and communication system Technical Field The invention belongs to the technical field of communication equipment, and particularly relates to a network communication module and a communication system. Background The intercom equipment is a terminal and a system which can realize instant half duplex or full duplex voice communication without a switching network, and the core of the intercom equipment is radio transceiver or IP packet transmission. At present, domestic intercom equipment mainly adopts foreign software and hardware equipment, no better domestic alternative scheme exists at present, and along with the increasing of requirements for the safety and reliability of voice communication in the fields of private network communication, emergency command, military communication and the like, the traditional analog voice communication or unencrypted digital communication has potential safety hazards such as easy eavesdropping, falsification or counterfeiting and the like, and cannot meet the communication requirements in a high-confidentiality scene. Disclosure of Invention Aiming at one or more of the defects or improvement demands of the prior art, the invention provides a network communication module which is used for solving the problem that the prior domestic intercom equipment cannot meet the communication demands in a high-confidentiality scene. In order to achieve the above object, the present invention provides a network communication module, which includes: a control module; An audio module connected to the control module, the audio module configured for audio input and/or output interaction with the control module; The first analog switch is connected with the control module and is provided with a first transmission channel and a second transmission channel; The encryption module is connected with the second transmission channel and is configured to convert plaintext information and ciphertext information; The second analog switch is provided with a third transmission channel and a fourth transmission channel, the third transmission channel is connected with the first transmission channel, and the fourth transmission channel is connected with the encryption module; The network inlet is connected with the control module; and the network outlet is connected with the second analog switch. As a further improvement of the present invention, the encryption module includes a plaintext transmission end and a ciphertext transmission end, the plaintext transmission end is connected with the second transmission channel, and the ciphertext transmission end is connected with the fourth transmission channel. As a further improvement of the invention, the first analog switch is connected with the control module through a pin, the first transmission channel is high-gating, and the second transmission channel is low-gating; The second analog switch is connected with the control module through a pin, the third transmission channel is high-gating, and the fourth transmission channel is low-gating. As a further improvement of the invention, the audio module is a microphone, the audio module comprises a key assembly, a microphone assembly and a power amplifier assembly, the key assembly is used for controlling the on-off of the audio module, the microphone assembly is used for receiving sound at the audio module and converting the sound into an audio signal, and the power amplifier assembly is used for converting the audio signal into the sound. As a further improvement of the invention, the device further comprises a change-over switch, wherein the change-over switch is connected with the control module and is configured to switch on and off of the first transmission channel and the second transmission channel on the first analog switch. As a further development of the invention, a memory module is also included, which is connected to the control module. As a further improvement of the invention, the system further comprises a key filling module, wherein the key filling module is connected with the encryption module. As a further improvement of the present invention, the control module further includes a compression codec, where the compression codec is configured to compress and decode the audio data, so as to reduce bandwidth occupied by audio data transmission. As a further improvement of the invention, the audio module employs a mono 8KHz sampling rate, a 16 bit sampling bit width, and a 320 frame sampling period. The invention also comprises a communication system which comprises a plurality of network communication modules, wherein the network communication modules are connected through a network switch. The above-mentioned improved technical features can be combined with each other as long as they do not collide with each other. In general, the above technical solutions conceived by the present invention have the beneficial effects compared with the prior art including: (1) The