CN215010237U - Machine carries components of a whole that can function independently radio station - Google Patents
Machine carries components of a whole that can function independently radio station Download PDFInfo
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- CN215010237U CN215010237U CN202121148254.XU CN202121148254U CN215010237U CN 215010237 U CN215010237 U CN 215010237U CN 202121148254 U CN202121148254 U CN 202121148254U CN 215010237 U CN215010237 U CN 215010237U
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Abstract
The utility model discloses an airborne split radio station, which relates to the technical field of short wave radio stations, and comprises a central controller, an antenna, an audio processing module, an operational amplifier matching network and an analog-digital-analog conversion module, wherein the antenna, the audio processing module, the operational amplifier matching network, the analog-digital-analog conversion module and the central controller are connected in sequence, and the audio processing module is connected with the central controller; the device can be through setting up audio frequency processing module, fortune and put the matching network, has guaranteed the communication quality of radio station audio signal receiving and dispatching in-process, has improved the interference killing feature of radio station, has reduced the information omission probability, guarantees that the radio station can accomplish the effective transmission of information under the electromagnetic environment of complicacy.
Description
Technical Field
The utility model relates to a shortwave radio station technical field, concretely relates to machine carries components of a whole that can function independently radio station.
Background
With the development of science and technology, short-wave radio stations are widely applied, more and more complex use environments put forward higher requirements on the short-wave radio stations, and electromagnetic compatibility becomes an important factor for restricting the use of the short-wave radio stations. Firstly, a short-wave radio station is used for carrying out long-distance communication, short waves are required to transmit radio-frequency signals with larger power, radiation signals caused by large transmission power are correspondingly increased, the short-wave communication distance reaches thousands of kilometers generally, the transmission power is larger than 100W, and the larger the power is, the longer the communication distance is; the task system of the prior integrated interference airplane and the prior technical reconnaissance airplane comprises a plurality of electronic devices with functions of reconnaissance, interference, communication, navigation, identification and the like, the transmitting device in the system has high transmitting power and high receiving device sensitivity, so that the problem of electromagnetic compatibility becomes more complex, and a short-wave radio station is one of high-power transmitting devices, so that the problem of electromagnetic compatibility of the short-wave radio station becomes urgent.
Now authorized utility model, patent number is CN201621477677.5, and the patent name is an airborne short wave radio station, and short wave radio station includes: the power amplification and antenna modulation integrated extension, the receiving and excitation integrated extension, the audio module and the short wave antenna; the antenna interface of the power amplification and antenna tuning integrated extension is in bidirectional connection with the antenna interface of the short-wave antenna; the control signal interface of the power amplification and antenna tuning integrated extension is bidirectionally connected with the control signal interface of the receiving and excitation integrated extension, and the radio frequency signal interface of the power amplification and antenna tuning integrated extension is bidirectionally connected with the radio frequency signal interface of the receiving and excitation integrated extension; the voice signal interface of the receiving and exciting integrated extension is in bidirectional connection with the voice signal interface of the audio module, so that the problems of conduction and radiation of cables inside the airplane are effectively controlled when the short-wave radio station transmits signals, and normal work of various electronic devices on the airplane is guaranteed.
The above solution still has the following problems: when the radio station is used for airborne communication, effective communication of voice needs to be completed under a complex electromagnetic environment, the receiving and sending efficiency of the device is low, the anti-interference capability to voice is weak, in actual application, a data distortion phenomenon easily occurs when a split radio station of a machine body is communicated with a ground radio station at high altitude, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an airborne split radio station, which comprises a central controller, an antenna, an audio processing module, an operational amplifier matching network and an analog-digital-analog conversion module, wherein the antenna, the audio processing module, the operational amplifier matching network, the analog-digital-analog conversion module and the central controller are connected in sequence, and the audio processing module is connected with the central controller;
the audio processing module comprises an audio receiving processing module and an audio output processing module, the audio receiving processing module comprises a first audio transformer, an audio amplifier, a first active low-pass filter and a first audio AGC, and the antenna, the audio transformer, the audio amplifier, the first active low-pass filter, the first audio AGC and the operational amplifier matching network are sequentially connected; the audio output processing module comprises a second audio transformer, a second audio AGC and a second active low-pass filter, and the antenna, the second audio transformer, the second audio AGC, the second active low-pass filter and the operational amplifier matching network are sequentially connected; and the first audio AGC and the second audio AGC are both connected with the central controller.
Preferably, the system further comprises a memory, and the memory is connected with the central controller.
Preferably, the system further comprises a communication interface, and the communication interface is connected with the central controller.
Preferably, the communication interface is one or more of a USB interface, a diagnostic interface, an RS485 communication interface, an RS232 communication interface, a data communication interface, and an ethernet communication interface.
Preferably, the system further comprises a decoder, and the decoder is connected with the central controller.
Preferably, the device also comprises a microphone and a loudspeaker, wherein the microphone and the loudspeaker are both connected with the decoder.
Preferably, the decoder is a 600bps vocoding codec.
Preferably, the system also comprises a power supply module, and the power supply module is connected with the audio processing module, the operational amplifier matching network and the central controller.
Preferably, the display device further comprises a display module, wherein the display module comprises a touch screen and an indicator light, and the touch screen and the indicator light are both connected with the central controller.
Preferably, the central controller is an STM32F2/F4 series processor.
The utility model has the beneficial technical effects that:
the utility model discloses can put the match network through setting up audio frequency processing module, fortune, guarantee the communication quality of radio station audio signal receiving and dispatching in-process, improve the interference killing feature of radio station, reduce information omission probability, guarantee that the radio station can accomplish the effective transmission of information under the electromagnetic environment of complicacy.
Description of the drawings:
FIG. 1 is a schematic diagram of an onboard split radio station;
FIG. 2 is a schematic diagram of an audio receive processing module of an onboard split radio;
fig. 3 is a schematic diagram of an audio output processing module of an onboard split radio.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, 2, and 3, an airborne split radio station includes a central controller, an antenna, an audio processing module, an operational amplifier matching network, and an analog-to-digital-to-analog conversion module, where the antenna, the audio processing module, the operational amplifier matching network, the analog-to-digital-to-analog conversion module, and the central controller are connected in sequence, and the audio processing module is connected with the central controller;
the audio processing module comprises an audio receiving processing module and an audio output processing module, the audio receiving processing module comprises a first audio transformer, an audio amplifier, a first active low-pass filter and a first audio AGC, and the antenna, the audio transformer, the audio amplifier, the first active low-pass filter, the first audio AGC and the operational amplifier matching network are sequentially connected; the audio output processing module comprises a second audio transformer, a second audio AGC and a second active low-pass filter, and the antenna, the second audio transformer, the second audio AGC, the second active low-pass filter and the operational amplifier matching network are sequentially connected; and the first audio AGC and the second audio AGC are both connected with the central controller.
In the audio receiving and processing module, a first audio transformer is used for transforming the voltage of received audio, an audio amplifier is used for compensating the reduced power of part of audio signals after transformation, a first active low-pass filter is used for filtering interference signals, a first audio AGC is used for automatically adjusting the gain of the received audio signals horizontally, and after the audio receiving and processing module processes the received audio signals, the processed audio signals are further adjusted to enable the signals to meet the amplitude and impedance sent to an analog-digital-to-digital conversion chip interface so as to meet the data sampling of low distortion and low error code; in the audio output processing module, a second active low-pass filter is used for filtering interference signals of the transmitted audio, a second audio AGC is used for adjusting the gain of the transmitted audio signals, and a second audio transformer is used for transforming the voltage of the transmitted audio;
the antenna is used for receiving or sending audio signals, and the analog-digital-analog conversion module is used for realizing conversion between analog signals and digital signals of the audio; the operational amplifier matching network comprises an operational amplifier unit and an impedance matching network, and is used for further adjusting the amplitude and the impedance sent to the interface of the analog-digital-analog conversion chip so as to meet the requirement of data sampling with low distortion and low error code; in the data transceiving process of the radio station, after the transmitted voice signals are processed by the audio processing module and the operational amplifier matching network, the information omission probability is reduced, and the transceiving efficiency and the anti-interference capability under the complex electromagnetic environment are greatly improved.
As shown in fig. 1, in particular, the system further includes a memory, and the memory is connected with the central controller.
The memory is used for the central controller to store and record the transmission data.
As shown in fig. 1, in particular, the system further includes a communication interface, and the communication interface is connected with the central controller.
Specifically, the communication interface is one or more of a USB interface, a diagnostic interface, an RS485 communication interface, an RS232 communication interface, a data communication interface, and an ethernet communication interface.
By adopting the communication interface, stable communication between the radio station and the remote terminal can be realized.
As shown in fig. 1, in particular, the system further comprises a decoder, and the decoder is connected with the central controller.
As shown in fig. 1, the apparatus further includes a microphone and a speaker, and both the microphone and the speaker are connected to the decoder.
Specifically, the decoder is a 600bps vocoding codec.
The 600bps vocoding codec is used to convert analog voice input from a microphone into digital voice data or convert voice encoded data into analog voice to be output via a speaker.
As shown in fig. 1, the mobile terminal further includes a power module, and the power module is connected to the audio processing module, the operational amplifier matching network, and the central controller.
The power module can provide electric energy for the audio processing module, the operational amplifier matching network and the central controller.
As shown in fig. 1, the display device further includes a display module, the display module includes a touch screen and an indicator light, and the touch screen and the indicator light are both connected to the central controller.
The touch screen is used for facilitating operating personnel to look over and regulate and control the operating data of radio station, and the pilot lamp is convenient for operating personnel to look over the running state of radio station.
Specifically, the central controller is an STM32F2/F4 series processor.
Claims (10)
1. An airborne split radio station is characterized by comprising a central controller, an antenna, an audio processing module, an operational amplifier matching network and an analog-digital-analog conversion module, wherein the antenna, the audio processing module, the operational amplifier matching network, the analog-digital-analog conversion module and the central controller are sequentially connected, and the audio processing module is connected with the central controller;
the audio processing module comprises an audio receiving processing module and an audio output processing module, the audio receiving processing module comprises a first audio transformer, an audio amplifier, a first active low-pass filter and a first audio AGC, and the antenna, the audio transformer, the audio amplifier, the first active low-pass filter, the first audio AGC and the operational amplifier matching network are sequentially connected; the audio output processing module comprises a second audio transformer, a second audio AGC and a second active low-pass filter, and the antenna, the second audio transformer, the second audio AGC, the second active low-pass filter and the operational amplifier matching network are sequentially connected; and the first audio AGC and the second audio AGC are both connected with the central controller.
2. The machine-mounted split radio station of claim 1, further comprising a memory, wherein the memory is connected to the central controller.
3. The airborne split radio station of claim 1, further comprising a communication interface, wherein the communication interface is connected to the central controller.
4. The onboard split radio station according to claim 3, wherein the communication interface is one or more of a USB interface, a diagnostic interface, an RS485 communication interface, an RS232 communication interface, a data communication interface, and an Ethernet communication interface.
5. The on-board split radio station of claim 1, further comprising a decoder, wherein the decoder is connected to the central controller.
6. The machine-mounted split radio station as claimed in claim 5, further comprising a microphone and a speaker, wherein the microphone and the speaker are both connected to the decoder.
7. An on-board split radio as claimed in claim 5, wherein the decoder is a 600bps vocoding codec.
8. The machine-mounted split radio station according to claim 1, further comprising a power module, wherein the power module is connected with the audio processing module, the operational amplifier matching network and the central controller.
9. The machine-mounted split radio station according to claim 1, further comprising a display module, wherein the display module comprises a touch screen and an indicator light, and the touch screen and the indicator light are both connected with the central controller.
10. An on-board split radio station as claimed in claim 1, wherein the central controller is an STM32F2/F4 family of processors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121148254.XU CN215010237U (en) | 2021-05-26 | 2021-05-26 | Machine carries components of a whole that can function independently radio station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121148254.XU CN215010237U (en) | 2021-05-26 | 2021-05-26 | Machine carries components of a whole that can function independently radio station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215010237U true CN215010237U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121148254.XU Active CN215010237U (en) | 2021-05-26 | 2021-05-26 | Machine carries components of a whole that can function independently radio station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215010237U (en) |
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2021
- 2021-05-26 CN CN202121148254.XU patent/CN215010237U/en active Active
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