CN-122001397-A - Electromagnetic compatibility additional device of emergency radio station communication system

CN122001397ACN 122001397 ACN122001397 ACN 122001397ACN-122001397-A

Abstract

The invention belongs to the technical field of electromagnetic compatibility of radio station communication systems, in particular to an additional device for electromagnetic compatibility of an emergency radio station communication system, which comprises an interface, an electromagnetic interference source identification circuit, an adaptive filter circuit, a grounding facility integrator circuit, an electronic shielding circuit, a radio signal interference neutralization circuit, a common mode differential mode interference reduction circuit, a system control and display operation circuit and the like, electromagnetic interference filtering, electromagnetic interference source confirmation, common mode and differential mode interference reduction, leakage electromagnetic interference suppression, radio interference signal neutralization and electronic shielding are carried out on single equipment, equipment and all equipment in an emergency radio station communication system without change, so that simple and rapid electromagnetic compatibility in the system is realized.

Inventors

ZHAO JI
NIE XIULI
XIONG YING
Cong Yuantao
GAO XIANG
GAI XIAODONG
LI XIAOJIAN
LI JIE
ZHANG YING
WANG BIAO
ZHAO YANG
WANG TIANNAN
YANG GUANG
DU XIAOLIN

Assignees

中国北方车辆研究所

Dates

Publication Date: 20260508
Application Date: 20260119

Claims (10)

1. An additional device for electromagnetic compatibility of an emergency radio station communication system is characterized by comprising an interface and electromagnetic interference source identification circuit, an adaptive filter circuit, a grounding facility integrator circuit, an electronic shielding circuit, a radio signal interference neutralization circuit, a common mode differential mode interference reduction circuit and a system control and display operation circuit; The interface and the electromagnetic interference source identification circuit are used for picking up electromagnetic interference leakage signals clamped on equipment in the communication system with high gain, when electromagnetic interference leakage is found at a certain place, the signals are immediately identified and classified in interference type, one path of signals are converted into digital signals and provided for the system control and display operation circuit, and the system control and display operation circuit outputs corresponding control signals to corresponding anti-interference module circuits according to the interference type and the comparison of standard interference signal sources in the memory; When the system control and display operation circuit outputs a control signal to the corresponding interference processing circuit, the corresponding interference processing circuit carries out corresponding processing on the interference signal, so that the interference signal is converted into a signal which does not affect other equipment or is directly connected to the ground.
2. An add-on device for electromagnetic compatibility of an emergency radio station communication system according to claim 1 wherein said interface and electromagnetic interference source identification circuit divert interference leakage from all stations or equipment within the communication system to thereby achieve electromagnetic compatibility between equipment within the communication system.
3. An additional device for electromagnetic compatibility of an emergency radio communication system according to claim 1, wherein the entire emergency radio communication system is capable of conducting a single or multiple signal-to-signal and self-interference signal drainage.
4. An additional device for electromagnetic compatibility of an emergency radio communication system according to claim 1, wherein said additional device is adapted for one or more simultaneous uses depending on how much equipment is provided in the emergency radio communication system.
5. The device of claim 1, wherein the interface and electromagnetic interference source identification circuit comprises a port distribution and access circuit and an interference signal high-gain pick-up circuit, wherein when the interface and electromagnetic interference source identification circuit works, the interference signal high-gain pick-up circuit scans the leaked interference electromagnetic signals on each device in real time, and sends the signals to the system control and display operation circuit after being processed, and the port distribution and access circuit opens an output port channel and closes an input port channel instantaneously under the instruction of the system control and display operation circuit; The self-adaptive filter circuit is used for correspondingly processing interference signals from all equipment in the communication system, is connected to all equipment in the communication system through the self-adaptive interface circuit, and realizes drainage filtering on various interferences in the communication system under the control of the system control and display operation circuit; The electronic shielding circuit comprises a synthetic interface circuit, an electric shielding simulator circuit, a magnetic shielding simulator circuit, an electromagnetic shielding simulator circuit, a radio shielding simulator circuit, an electrostatic shielding simulator circuit and a first synthetic interface circuit, wherein when the electronic shielding circuit works, the corresponding shielding simulator circuit is automatically driven according to the property of an interference source to shield interference signals from an interface and an electromagnetic interference source identification circuit; The grounding facility integrator circuit comprises a multipoint grounding simulator, a hybrid grounding simulator, a floating discharge simulator and a second synthesis interface circuit, wherein when the grounding facility integrator circuit works, the three grounding simulators respectively analyze and calculate required grounding resistance through an internal circuit and compare the required grounding resistance with standard parameters, under the control of a system control and display operation circuit, the corresponding simulators are connected to the second synthesis interface circuit, the second synthesis interface circuit completes the connection and distribution tasks of the three simulators, and finally the corresponding simulators are connected to corresponding equipment from the second synthesis interface circuit, so that the purpose of grounding discharge of interference signals is completed; The system comprises a radio signal interference neutralization circuit, a system control and display operation circuit, a first synthesis interface circuit, a second synthesis interface circuit, a third synthesis interface circuit, a common-frequency interference neutralization circuit, an adjacent-frequency interference neutralization circuit, an external interference neutralization circuit, an intermodulation interference neutralization circuit and an electronic switch circuit, wherein the circuits are relatively independent; the common mode differential mode electromagnetic interference reduction circuit comprises a fourth synthesis interface circuit, a common mode interference filtering circuit, a differential mode interference filtering circuit and an electronic switch circuit; when the common mode differential mode electromagnetic interference reducing circuit works, the two reducing circuits respectively calculate and compare the potential formed when the accessed signal passes through the current carrying conductor and the potential between the standard reference ground through the internal circuit, so that the potential difference appears; The system control and display operation circuit comprises an input/output interface circuit, a singlechip chip circuit, a signal processing circuit, a memory circuit, an arithmetic unit circuit, a display unit circuit and a keying operation circuit, wherein when the system control and display operation circuit works, firstly, according to interference data signals input by an interface and electromagnetic interference source identification circuit, under unified coordination of an internal singlechip, related circuits calculate, analyze and compare the interference data, then form instruction signals to control the corresponding unit circuit to work, secondly, the display operation circuit converts the digital signals after the adaptation processing into display signals conforming to a display format of a liquid crystal panel under the control of the singlechip chip, and then the display signals are directly displayed on the liquid crystal panel, and the keying operation circuit is used for completing man-machine conversation under the control of the singlechip chip.
6. The add-on device of claim 5, wherein the high gain interference signals from each equipment in the communication system are identified and located by their corresponding circuits in the interface and electromagnetic interference source identification circuit, and then output a digital signal to the system control and display operation circuit, which responds to the digital signal, thereby outputting a control signal to the switching circuit of each independent unit circuit to operate the corresponding independent unit circuit.
7. An add-on device for electromagnetic compatibility of an emergency radio station communication system according to any of the claims 1-6, c h a r a c t e r i z e d i n that said device further comprises a reservoir and a keying circuit.
8. An add-on device for electromagnetic compatibility of emergency radio station communication system according to any of claims 1-6, c h a r a c t e r i z e d in that said add-on device does not alter all circuits or components and cables of the equipment itself, but only by clamping the input/output lines of the add-on device to the metal housing, power supply lines, signal lines etc. of all equipment in the system and the outer skin of the external connection cable.
9. An add-on device for electromagnetic compatibility of emergency radio station communication system according to any of claims 1-6, characterized in that said device enables electromagnetic compatibility in any state between equipments by using interface and electromagnetic interference source identification circuits, adaptive filter circuits, ground facility integrator circuits, electronic shielding circuits, radio signal interference neutralization circuits, common mode differential mode interference reduction circuits, system control and display operation circuits, to temporarily built emergency radio station communication systems, in particular radio station communication systems built by armies during combat and execution of special tasks and rescue and relief works, and facilitates application of radio station communication systems in mobile and stationary situations.
10. An additional device for electromagnetic compatibility of an emergency radio communication system according to any of the claims 1-6, characterized in that said device is of great advantage in that it can be arranged quickly and easily, thereby solving the problem of electromagnetic compatibility in an emergency-built radio communication system.

Description

Electromagnetic compatibility additional device of emergency radio station communication system Technical Field The invention belongs to the technical field of electromagnetic compatibility of radio station communication systems, and particularly relates to an additional device for electromagnetic compatibility of an emergency radio station communication system. Background At present, various modes are adopted for electromagnetic compatibility between a transceiver and a transmitter of a fixed radio communication system and matched electronic equipment, such as a huge grounding system, a plurality of filtering devices, a perfect shielding system and other measures, and the effect of the electromagnetic compatibility can completely meet the specified requirement standard. However, the emergency radio station communication system which is temporarily built, particularly the radio station communication system which is built by armies when fighting and performing special tasks and rescue and relief work, does not have such a condition. In emergency, if the system is to realize electromagnetic compatibility, if the system is constructed according to the method of the fixed radio communication station system, the system cost of the electromagnetic compatibility equipment is high, the construction time is long, the installation operation and maintenance are complex, and the actual conditions such as partial original equipment are changed. Aiming at the requirements and the problems, the method aims at solving the problems that in the electromagnetic compatibility construction of an emergency radio station communication system which is temporarily built, 1, the cost of electromagnetic compatibility equipment is high, 2, the construction period is long, 3, the installation process is complex, 4, the electromagnetic wave radiation of multiple equipment types in the system is complex, 5, transceivers are placed together, 6, the distribution of large and small power radio stations is uneven, and the like, and other brand new devices for quickly realizing the electromagnetic compatibility are urgently needed to appear in the field. Disclosure of Invention First, the technical problem to be solved The invention aims to solve the technical problems that: At present, various modes are adopted for electromagnetic compatibility between a transceiver and a transmitter of a fixed radio communication system and matched electronic equipment, such as a huge grounding system, a plurality of filtering devices, a perfect shielding system and other measures, and the effect of the electromagnetic compatibility can completely meet the specified requirement standard. However, the emergency radio station communication system which is temporarily built, particularly the radio station communication system which is built by armies when fighting and performing special tasks and rescue and relief work, does not have such a condition. In emergency, if the system is to realize electromagnetic compatibility, if the system is constructed according to the method of the fixed radio communication station system, the system cost of the electromagnetic compatibility equipment is high, the construction time is long, the installation operation and maintenance are complex, and the actual conditions such as partial original equipment are changed. Aiming at the requirements and the problems, the method aims at solving the problems that in the electromagnetic compatibility construction of an emergency radio station communication system which is temporarily built, 1, the cost of electromagnetic compatibility equipment is high, 2, the construction period is long, 3, the installation process is complex, 4, the electromagnetic wave radiation of multiple equipment types in the system is complex, 5, transceivers are placed together, 6, the distribution of large and small power radio stations is uneven, and the like, and other brand new devices for quickly realizing the electromagnetic compatibility are urgently needed to appear in the field. (II) technical scheme In order to solve the technical problems, the invention provides an additional device for electromagnetic compatibility of an emergency radio station communication system, which comprises an interface and electromagnetic interference source identification circuit, an adaptive filter circuit, a grounding facility integrator circuit, an electronic shielding circuit, a radio signal interference neutralization circuit, a common mode differential mode interference reduction circuit and a system control and display operation circuit; The interface and the electromagnetic interference source identification circuit are used for picking up electromagnetic interference leakage signals clamped on equipment in the communication system with high gain, when electromagnetic interference leakage is found at a certain place, the signals are immediately identified and classified in interference type, one path of signals a