CN-122000688-A - Device for positioning communication direction of short-wave radio station by utilizing electromagnetic compatibility technology

CN122000688ACN 122000688 ACN122000688 ACN 122000688ACN-122000688-A

Abstract

The invention belongs to the technical field of rapid orientation positioning of a radio station communication system, in particular to a device for positioning the communication direction of a short wave radio station by utilizing an electromagnetic compatibility technology, which uses an azimuth parameter pickup and motor driving module, an antenna motor assembly transmission mechanism, a radio signal scanning and receiving module, an electromagnetic compatibility analog processing module, a control unit module, a signal conversion module, a parameter comparison output module, an azimuth state locking display module and the like, the method and the device realize weak signal pickup, azimuth information recording and storage, signal filtering, interference signal shielding, interference signal grounding, prestored information calling and three-value comparison difference calculation of the radio short-wave radio station, thereby ensuring that the radio short-wave radio station can be rapidly unfolded, accurately positioned and instantaneously locked.

Inventors

ZHAO JI
NIE XIULI
XIONG YING
JIAO MEI
LI YAN
ZHANG SHIWEI
LI XIAOJIAN
LI JIE
ZHANG YING
WANG BIAO
WANG TIANNAN
ZHAO YANG
YANG GUANG
DU XIAOLIN

Assignees

中国北方车辆研究所

Dates

Publication Date: 20260508
Application Date: 20260119

Claims (10)

1. A device for positioning the communication direction of a short-wave radio station by utilizing an electromagnetic compatibility technology is characterized by comprising an azimuth parameter pickup and motor driving module, an antenna motor assembly transmission mechanism, a radio signal scanning and receiving module, an electromagnetic compatibility analog processing module, a control unit module, a signal conversion module, a parameter comparison output module and an azimuth state locking display module, The azimuth parameter pickup and motor driving module is a synchronous motor driving and azimuth information tracking circuit and is used for carrying out instantaneous azimuth information pickup and recording and providing synchronous motor driving signals and power in real time; the antenna motor assembly transmission mechanism is internally provided with an azimuth information sensor and a motor which are integrated together and used for rotation of an antenna and pickup of azimuth information; the radio signal scanning and receiving module is a high-gain pickup circuit with 360 degrees of antennas and is used for automatically scanning, receiving and amplifying signals; The electromagnetic compatibility analog processing module is a circuit for eliminating various interferences and picking up weak signals, and is used for filtering, shielding and grounding the interferences and separating and picking up the weak signals; the control unit module is a control circuit of the device and is used for controlling each circuit in the device and pre-storing azimuth information; The signal conversion module is an analog-to-digital conversion circuit of the signals in the device and is used for separating and extracting frequency and amplitude signals and performing analog-to-digital conversion on the frequency and amplitude signals; the parameter comparison output module is a three-value comparison difference calculation circuit and is used for carrying out frequency confirmation and amplitude comparison on three azimuth information signals pre-stored in a memory; the azimuth state locking display module is a keying and signal parameter display circuit and is used for displaying azimuth and other information.
2. The device for positioning the communication direction of a short-wave radio station by using an electromagnetic compatibility technology according to claim 1, wherein when the device works, a transmission mechanism of an antenna motor assembly is started, an antenna rotates, after a radio signal scanning receiving module scans a required information signal containing various interferences, the signal is subjected to frequency conversion treatment, and the treated signal enters an electromagnetic compatibility analog processing circuit; The electromagnetic compatibility analog processing circuit completes the reduction of the interference signal and separates and picks up the weak signal through the internal circuit, and then amplifies the weak signal; the amplified signals enter a signal conversion circuit, are subjected to amplitude arrangement and analog-to-digital conversion in the signal conversion circuit, and finally are sent to a control unit module; The signal entering the control unit module is confirmed by the internal circuit and then firstly sends out an instruction to the azimuth parameter pickup and motor driving module to instantly record the azimuth information of the rotation of the motor and transmit the azimuth information back to the control unit module, and the information from the signal conversion circuit are packaged and stored under the action of the control unit module to finish the sampling of an information packet.
3. The device for positioning the communication direction of the short-wave radio station by utilizing the electromagnetic compatibility technology according to claim 2 is characterized in that the device is required to be sampled for three times within the range of the common-frequency signal, then the control unit module can output an instruction to enable the parameter comparison output module to work, three common-frequency information packages stored in the control unit module are simultaneously called into the parameter comparison output module to conduct parameter comparison according to the instruction, after the parameter comparison is conducted through an internal circuit, an information package with the highest common-frequency amplitude is output, one path of the information package enters the control unit module to enable the azimuth state locking display module to work, the other path of the information package directly enters the azimuth state locking display module to display, and after the instruction of the control unit module is received, the azimuth state locking display module completely displays frequency, azimuth and amplitude information through a display screen.
4. The device for locating a communication direction of a short-wave radio station by using an electromagnetic compatibility technology as claimed in claim 3, wherein in actual use, in order to more accurately determine the communication direction, the scanning and tracking can be performed by manual keying for a plurality of times, so that more than two pieces of same-frequency azimuth information can be selected to be the most similar.
5. The device for locating a communication direction of a short wave radio station using an electromagnetic compatibility technique according to claim 4, wherein each module circuit of the device adopts the electromagnetic compatibility technique, so that the device can work in the most complex electromagnetic environment and can accurately track and search for a required weak signal.
6. The device for positioning the communication direction of the short-wave radio station by utilizing the electromagnetic compatibility technology as set forth in claim 5, wherein the azimuth parameter pick-up and motor driving module comprises a synchronous motor tracking driving circuit, a sensor signal receiving and amplifying circuit, a recording and amplifying output circuit and a first interface circuit, wherein when the azimuth parameter pick-up and motor driving module works, the synchronous motor tracking driving circuit is started, and the synchronous motor starts to rotate; The antenna motor assembly transmission mechanism comprises a digital displacement sensor, a synchronous motor, a telescopic multiplication omnidirectional antenna and a mechanical transmission device, wherein the mechanical transmission device and the synchronous motor are integrated, the telescopic multiplication omnidirectional antenna is arranged on the mechanical transmission device, the digital displacement sensor and the synchronous motor which are arranged in the telescopic multiplication omnidirectional antenna are used for rotating the telescopic multiplication omnidirectional antenna and picking up azimuth information; The radio signal scanning and receiving module comprises an antenna automatic scanning circuit, a radio frequency signal receiving circuit, a signal amplifying circuit and a second interface circuit, wherein when the radio signal scanning and receiving module works, the antenna automatic scanning circuit automatically scans a radio signal from a rotating telescopic multiplication omnidirectional antenna, when the signal is found, an internal circuit of the antenna automatic scanning circuit works, the signal is output to the radio frequency signal receiving circuit, and the radio frequency signal receiving circuit outputs the signal to the signal amplifying circuit after filtering and shaping the signal; The electromagnetic compatibility analog processing module comprises a filtering analog circuit, a shielding analog circuit, a grounding analog circuit and a third interface circuit, wherein when the electromagnetic compatibility analog processing module works normally, signals from the radio signal scanning receiving module comprise various interference signals which enter the circuit, filtering is carried out firstly, corresponding interference signals are filtered out through the filtering analog circuit, then the corresponding interference signals are sent to the shielding analog circuit, shielding processing is carried out on the corresponding interference signals which cannot be filtered out by the shielding analog circuit, the signals after shielding processing continue to enter the grounding analog circuit, finally, a small amount of residual interference signals are subjected to analog grounding in the grounding analog circuit, the purpose of filtering various interference signals is achieved, and the signals which are stable in amplitude, relatively pure and accord with analog-digital conversion are ensured to be output to the signal conversion module through the third interface circuit under the control of the control unit module; The control unit module comprises a memory circuit, a single chip circuit, an arithmetic unit circuit, a fourth interface circuit and a keying operation circuit, wherein when the control unit module works normally, the single chip circuit is used as a core, the memory circuit, the arithmetic unit circuit and the keying operation circuit are matched for rapidly carrying out operation, comparison, arrangement and storage on input data signals, forming corresponding instructions and outputting the corresponding instructions to related circuits to implement command control on all circuits in the device; The signal conversion module comprises a signal separation circuit, a frequency pickup circuit, an amplitude pickup circuit, an analog-digital conversion circuit and a fifth interface circuit, wherein when the signal conversion module works, signals from the electromagnetic compatibility analog processing module firstly enter the signal separation circuit to separate frequency signals and amplitude signals, the separated signals are picked up by the frequency pickup circuit and the amplitude pickup circuit respectively, the signals are subjected to analog-digital conversion, and finally enter the control unit module through the fifth interface circuit; The parameter comparison output module comprises an information packet 1 input circuit, an information packet 2 input circuit, an information packet 3 input circuit, a parameter comparison amplifying circuit and a sixth interface circuit, wherein when the parameter comparison output module works normally, the control unit module inputs instructions, three information packets enter the parameter comparison amplifying circuit through the corresponding input circuits at the same time, the parameter comparison amplifying circuit calculates and compares the frequency and the amplitude of the three information packets respectively, extracts the information packet with the highest amplitude of the same frequency, amplifies the information packet and outputs the information packet to the azimuth state locking display module through the sixth interface circuit; When the azimuth state locking display module works normally, under the action of the control unit module, the information packet data output by the parameter comparison output module enters the data signal input circuit through the seventh interface circuit, is input into the data signal amplifying circuit for amplifying after being matched, is input into the display screen circuit after being tidied and amplified to a required amplitude, and finally visually displays information to be displayed through the display screen circuit, wherein the display screen circuit is a special display module and is controlled by the control unit module.
7. The apparatus for locating a communication direction of a short-wave radio station using an electromagnetic compatibility technique according to claim 6, wherein the radio signal scanning receiving module of 360 degrees azimuth is capable of separately picking up a weak working signal to be an instruction under the action of the electromagnetic compatibility analog processing circuit, thereby retrieving antenna azimuth information and displaying the antenna azimuth information through the display screen, thereby completing the locating of the communication direction of the short-wave radio station.
8. An apparatus for locating a communication direction of a short wave radio station using an electromagnetic compatibility technique according to any one of claims 1 to 7, further comprising a data information storage and a manual keying circuit. .
9. The device for positioning the communication direction of a short-wave radio station by using an electromagnetic compatibility technology according to any one of claims 1-7, wherein for the short-wave communication radio station, the device does not use a random matched antenna and specialized directional orientation equipment to perform manual orientation positioning, and the positioning of the signal direction can be intelligently completed by only starting the device through a 360-degree omnidirectional antenna, so that the device can be conveniently and widely applied to quick opening of the short-wave radio station in various emergency and special environments.
10. The device for positioning the communication direction of the short-wave radio station by utilizing the electromagnetic compatibility technology according to the command, wherein the intelligent rotary antenna in the device can accurately filter various interference signals in the range of scanning the same-frequency signals by utilizing the electromagnetic compatibility technology according to the command, forming three information packages together with the corresponding antenna rotary digital displacement angle parameters, finally storing, calculating and comparing the three information packages through the control unit module to obtain the information package with the highest amplitude, wherein the corresponding antenna rotary digital displacement angle parameters in the information package are the optimal communication direction angle to be searched and are directly displayed through the display module.

Description

Device for positioning communication direction of short-wave radio station by utilizing electromagnetic compatibility technology Technical Field The invention belongs to the technical field of rapid direction finding and positioning of radio station communication systems, and particularly relates to a device for positioning a communication direction of a short-wave radio station by utilizing an electromagnetic compatibility technology. Background The short wave communication is free from the restriction of a network hub and an active relay, has strong anti-damage capability and autonomous communication capability, can realize the special advantages of long-distance autonomous communication, low cost and the like, and is widely applied to the fields of communication in special environments, emergency communication in emergency situations, economic communication and the like. However, because the short-wave communication relies on the sky ionosphere, the signal transmission stability is poor, the signal is greatly influenced by the electromagnetic environment, the antenna size is large, the requirement on the antenna communication direction is also high, and if the emergency communication quality and timeliness under the special environment are to be ensured, the quick erection of the antenna of the short-wave radio station and the accurate positioning of the communication direction are to be ensured first. At present, the erection and the direction of the antenna of the short wave radio station system are still determined manually by using a matched antenna and a receiver, time and labor are wasted, and the construction of a professional station is completed by matching devices such as a professional electromagnetic field intensity instrument (more testing devices, complex operation and high cost). Under emergency conditions, particularly in emergency rescue and relief work, troops execute tasks, and the situation that the antenna is quickly and accurately erected and the communication direction is determined is faced with: Firstly, the size of the antenna of the short-wave radio station is large, the erection and fixation are not easy, the direction finding by using the receiver is troublesome, and the time and the labor are wasted; Secondly, the communication of the short-wave radio station is that radio waves reach the other party through the refraction of the sky ionosphere, so that the accompanying clutter is also more, the signal instability is greatly influenced by the outside, the signal capturing is difficult, and the communication direction is difficult to determine; Thirdly, the current short-wave radio station needs a long time to guarantee from direction determination to antenna erection completion to communication success, and the timeliness is affected; fourth, under the serious interference condition, the existing radio station direction finding device is poor in weak signal receiving capability due to technical reasons, and under the condition that the signal and interference are not processed by adopting a new technology, the required signal is difficult to capture in the short wave radio station direction finding process. Aiming at the requirements and the problems, the novel device aims at solving the problems that a short-wave radio station is difficult to capture 1 and weak signals, an antenna is large in size, mobile erection is inconvenient, 3 the time for locating the communication direction is long, 4 the position is inaccurate in determination, 5 the special direction-finding equipment is high in cost, large in size and complex in operation, and is not suitable for being used under emergency conditions, 6 the communication distance is long, the electromagnetic environment is complex, 7 the geographical position of the radio station is difficult to change, and the like in the field, and the novel device aims at the short-wave radio station and is convenient to carry, simple in operation, high in intelligent degree, strong in anti-interference capability, quick and accurate in location. Disclosure of Invention First, the technical problem to be solved The invention aims to solve the technical problems that: The device for positioning the communication direction of the short-wave radio station by using the electromagnetic compatibility technology is used for solving the actual situations that the short-wave radio station is difficult to quickly position and lock the communication direction under the emergency condition, 1 is difficult to capture a weak signal, 2 is large in antenna size, inconvenient to move and erect, 3 is long in positioning time of the communication direction, 4 is inaccurate in position determination, 5 is high in cost, large in size and complex in operation by using special direction finding equipment, is unsuitable for being used under the emergency condition, 6 is long in communication distance, is complex in electromagnetic environment, 7 is difficult to chang