CN202334505U - Airborne ultra-short wave radio station - Google Patents
Airborne ultra-short wave radio station Download PDFInfo
- Publication number
- CN202334505U CN202334505U CN2011204658430U CN201120465843U CN202334505U CN 202334505 U CN202334505 U CN 202334505U CN 2011204658430 U CN2011204658430 U CN 2011204658430U CN 201120465843 U CN201120465843 U CN 201120465843U CN 202334505 U CN202334505 U CN 202334505U
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- transceiver
- frequency filter
- switch
- frequency
- power supply
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Abstract
The utility model discloses an airborne ultra-short wave radio station, relating to the field of communication of radio stations, and aims to provide a recording ultra-short wave radio station capable of simultaneously satisfying requirements of channel intervals of 8.33 kHz and 25 kHz based on a 422 bus technology. The technical points provided by the utility model are as follows: the airborne ultra-short wave radio station comprises an antenna, a transmit-receive switch, a transceiver and a power supply voice-frequency circuit; the antenna is connected with the transceiver through the transmit-receive switch; the power supply voice-frequency circuit is used for providing power for the transceiver, transmitting voice signals with the transceiver and being connected with a control end for controlling the transmit-receive switch; and an intermediate-frequency filter unit in a signal receiving part in the transceiver comprises a single-pole double-throw type radio-frequency switch, an intermediate-frequency filter 1 and an intermediate-frequency filter 2.
Description
Technical field
The utility model relates to the station telecommunication field, and is particularly a kind of
MachineCarry ultrashort wave radio set.
Background technology
Domestic similar civilian airborne ultrashort wave radio set, equipment cost is higher, volume and weight are bigger, adopt the technology of nineteen nineties, do not consider present bussing technique, can't with the present supporting installation of avionics platform.
At present, it is 8.33KHz that national standard requires the channel spacing of radio signals, and it is 25KHz that European standard requires the channel spacing of radio signals, and existing record ultrashort wave radio set can only satisfy wherein a kind of standard, poor compatibility on the market.
The utility model content
The goal of the invention of the utility model is: the problem to above-mentioned existence, provide a kind of based on 422 bussing techniques, and can satisfy channel spacing simultaneously is the record ultrashort wave radio set that 8.33KHz and 25KHz require.
The technical scheme that the utility model adopts is such: comprise antenna, transmit-receive switch, transceiver and power supply voicefrequency circuit, said antenna is connected with said transceiver through transmit-receive switch; The power supply voicefrequency circuit has outside avionics control interface, power input interface, program download interface, transmitting-receiving control interface and COBBAIF; The power supply voicefrequency circuit also has power filter and converting unit delivery outlet, transmitting-receiving control delivery outlet and intermediate-frequency filter selecting side;
Said power filter and converting unit delivery outlet are supplied power to transceiver, and said transmitting-receiving control delivery outlet is connected with the control end of transmit-receive switch; Said power supply voicefrequency circuit also has two-way signaling with transceiver and is connected, and is used for the transporting speech signal;
The intermediate frequency filtering unit of signal receive section comprises single-pole double throw formula RF switch, intermediate-frequency filter 1 and an intermediate-frequency filter 2 in the said transceiver; The output of the frequency mixer of signal receive section is connected in the moved end of said RF switch and the transceiver, and the not moved end 1 of RF switch is connected with the input of intermediate-frequency filter 1, and the not moved end 2 of RF switch is connected with the input of intermediate-frequency filter 2; The output of intermediate-frequency filter 1 and intermediate-frequency filter 2 is connected to the intermediate frequency amplifier input of signal receive section in the transceiver simultaneously, and the control end of said RF switch is connected to the intermediate-frequency filter selecting side of power supply voicefrequency circuit.
Preferably, the pass band width of said intermediate-frequency filter 1 is 8.33KHz, and the pass band width of said intermediate-frequency filter 2 is 25KHz.
Preferably, said outside avionics control interface is 422 EBIs.
In sum, owing to adopted technique scheme, the beneficial effect of the utility model is:
1. owing to adopted bussing technique, outside avionics control system can directly be controlled transceiver through 422 buses, need not to use control box to communicate, and has practiced thrift cost.
2. the utility model not only can be exported the ultrashort wave signal of 25KHz channel spacing, can also export the ultrashort wave signal of 8.33KHz channel spacing, is applicable to new national standard and European standard.
Description of drawings
Fig. 1 is the utility model complete machine theory diagram.
Fig. 2 is the utility model transceiver transmit part theory diagram.
Fig. 3 is the utility model transceiver receiving unit theory diagram.
Fig. 4 is the part theory diagram of the utility model power supply voicefrequency circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, the airborne ultra-short wave radio station comprises antenna, transmit-receive switch, transceiver, power supply voicefrequency circuit.
Wherein, antenna links to each other with transceiver through transmit-receive switch.
The power supply voicefrequency circuit has outside avionics control interface, mains switch control mouth, power input interface, program download interface, transmitting-receiving control interface and COBBAIF.
Outside avionics control interface is used for being connected with outside avionics control system, and the transceiver intermediate-frequency filter that receives outside avionics control system output is selected control signal, transceiver functionality control signal.As a concrete embodiment, said outside avionics control interface is 422 EBIs.
Mains switch control mouth is used to receive the mains switch control signal of outside avionics control system output.
Power input interface is used to receive the external power source of 27.5V.
The program download interface is used for program down loading updating to airborne ultra-short wave.
Transmitting-receiving control interface (being PTT control mouth) is used to receive the transmitting-receiving control signal (TX signal) of outside avionics control system output.
COBBAIF is used for being connected with speech input-output equipment such as earphone, microphones.
Like Fig. 4, the power supply voicefrequency circuit also has power filter and converting unit delivery outlet, transmitting-receiving control delivery outlet and intermediate-frequency filter selecting side.
Said power filter and converting unit receive outside 27.5V power supply; Through being connected to two voltage stabilizing circuits behind filtering and the switching circuit; The output of two voltage stabilizing circuits is the signal of telecommunication of power filter and converting unit delivery outlet output 15V and 5V, is used to the chip power supply in power supply voicefrequency circuit and the transceiver.Wherein, switching circuit is through the mains switch control signal of the outside avionics control system output of mains switch control mouthful reception.
The power supply voicefrequency circuit receives the transmitting-receiving control signal (TX signal) of outside avionics control system, will receive and dispatch the control end that control signal is exported to transmit-receive switch through transmitting-receiving control delivery outlet again.
Said power supply voicefrequency circuit receives the external audio input equipment voice signal of (like, microphone) through COBBAIF, after amplification, outputs to the radiating portion of transceiver; The power supply voicefrequency circuit receives the voice signal of transceiver receiving unit output, exports to external audio output equipment (like, earphone) through COBBAIF.
Like Fig. 2, the radiating portion of transceiver comprises modulation circuit, prime power amplifier, final stage power amplifier, filter and automatic power control circuitry.
Input of modulation circuit receives the local oscillation signal of local vibration source output; Another input receives the voice signal of power supply voicefrequency circuit output; The input of the output termination prime power amplifier of modulation circuit; The input of the output termination final stage power amplifier of prime power amplifier, the input of the output termination filter of final stage power amplifier, the output of filter connects antenna through transmit-receive switch; The adaptive power power control circuit is gathered the signal of transmit-receive switch output simultaneously, according to the gain of signal power size control prime power amplifier.
Like Fig. 3; In the receiving unit of transceiver: the ultrashort wave signal that antenna receives is exported to the first double-tuned filter BPF1 through transmit-receive switch and filter; The first double-tuned filter BPF1 exports to high-frequency amplifier LNA with signal; The output that height is put LNA is connected with the input of the second double-tuned filter BPF2; The signal of the signal of second double-tuned filter output and frequency synthesizer output is exported to the intermediate frequency filtering unit after the mixing in frequency mixer; The signal of intermediate frequency filtering unit output transfers to detecting circuit through behind the intermediate frequency amplifier, and the output of detecting circuit is connected to squelch circuit and low pass filter LPF respectively, and the output of the output of squelch circuit and low pass filter LPF is connected with two inputs of audio compression amplifying circuit respectively; The output of audio compression amplifying circuit is connected with the input of audio frequency power amplifier, and audio frequency power amplifier exports voice signal to the power supply voicefrequency circuit.
The intermediate frequency filtering unit of signal receive section comprises single-pole double throw formula RF switch, intermediate-frequency filter 1 and an intermediate-frequency filter 2 in the said transceiver; The output of the frequency mixer of signal receive section is connected in the moved end of said RF switch and the transceiver, and the not moved end 1 of RF switch is connected with the input of intermediate-frequency filter 1, and the not moved end 2 of RF switch is connected with the input of intermediate-frequency filter 2; The control end of said RF switch is connected to the intermediate-frequency filter selecting side of power supply voicefrequency circuit.
The pass band width of said intermediate-frequency filter 1 is 8.33KHz, and the pass band width of said intermediate-frequency filter 2 is 25KHz.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (3)
1. an airborne ultra-short wave radio station is characterized in that, comprises antenna, transmit-receive switch, transceiver and power supply voicefrequency circuit, and said antenna is connected with said transceiver through transmit-receive switch; The power supply voicefrequency circuit has outside avionics control interface, power input interface, program download interface, transmitting-receiving control interface and COBBAIF; The power supply voicefrequency circuit also has power filter and converting unit delivery outlet, transmitting-receiving control delivery outlet and intermediate-frequency filter selecting side;
Said power filter and converting unit delivery outlet are supplied power to transceiver, and said transmitting-receiving control delivery outlet is connected with the control end of transmit-receive switch; Said power supply voicefrequency circuit also has two-way signaling with transceiver and is connected, and is used for the transporting speech signal;
The intermediate frequency filtering unit of signal receive section comprises single-pole double throw formula RF switch, intermediate-frequency filter 1 and an intermediate-frequency filter 2 in the said transceiver; The output of the frequency mixer of signal receive section is connected in the moved end of said RF switch and the transceiver, and the not moved end 1 of RF switch is connected with the input of intermediate-frequency filter 1, and the not moved end 2 of RF switch is connected with the input of intermediate-frequency filter 2; The output of intermediate-frequency filter 1 and intermediate-frequency filter 2 is connected to the intermediate frequency amplifier input of signal receive section in the transceiver simultaneously, and the control end of said RF switch is connected to the intermediate-frequency filter selecting side of power supply voicefrequency circuit.
2. a kind of airborne ultra-short wave according to claim 1 radio station is characterized in that the pass band width of said intermediate-frequency filter 1 is 8.33KHz, and the pass band width of said intermediate-frequency filter 2 is 25KHz.
3. a kind of airborne ultra-short wave according to claim 1 and 2 radio station is characterized in that, said outside avionics control interface is 422 EBIs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204658430U CN202334505U (en) | 2011-11-22 | 2011-11-22 | Airborne ultra-short wave radio station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204658430U CN202334505U (en) | 2011-11-22 | 2011-11-22 | Airborne ultra-short wave radio station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334505U true CN202334505U (en) | 2012-07-11 |
Family
ID=46446468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204658430U Expired - Lifetime CN202334505U (en) | 2011-11-22 | 2011-11-22 | Airborne ultra-short wave radio station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334505U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882542A (en) * | 2012-09-13 | 2013-01-16 | 武汉中元通信股份有限公司 | Vehicle-mounted ultra-short wave frequency hopping broadcasting station |
| CN104410473A (en) * | 2014-11-27 | 2015-03-11 | 江西洪都航空工业集团有限责任公司 | Method for implementing display control for 8.33 KHz radio stations in integrated avionics |
| CN105406887A (en) * | 2015-12-17 | 2016-03-16 | 成都航天通信设备有限责任公司 | Maritime radio station having data transmission function |
| CN105635856A (en) * | 2015-12-18 | 2016-06-01 | 成都航天通信设备有限责任公司 | Marine voice communication system for unmanned aerial vehicle |
| CN108882218A (en) * | 2018-06-04 | 2018-11-23 | 张思哲 | power emergency communication system |
-
2011
- 2011-11-22 CN CN2011204658430U patent/CN202334505U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882542A (en) * | 2012-09-13 | 2013-01-16 | 武汉中元通信股份有限公司 | Vehicle-mounted ultra-short wave frequency hopping broadcasting station |
| CN104410473A (en) * | 2014-11-27 | 2015-03-11 | 江西洪都航空工业集团有限责任公司 | Method for implementing display control for 8.33 KHz radio stations in integrated avionics |
| CN104410473B (en) * | 2014-11-27 | 2017-09-08 | 江西洪都航空工业集团有限责任公司 | A kind of method for realizing the aobvious control in 8.33KHz radio station in comprehensive avionics |
| CN105406887A (en) * | 2015-12-17 | 2016-03-16 | 成都航天通信设备有限责任公司 | Maritime radio station having data transmission function |
| CN105635856A (en) * | 2015-12-18 | 2016-06-01 | 成都航天通信设备有限责任公司 | Marine voice communication system for unmanned aerial vehicle |
| CN105635856B (en) * | 2015-12-18 | 2022-02-01 | 成都航天通信设备有限责任公司 | Unmanned aerial vehicle maritime affairs voice communication system |
| CN108882218A (en) * | 2018-06-04 | 2018-11-23 | 张思哲 | power emergency communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |