CN202679378U - Aircraft avigation search guide system detector - Google Patents
Aircraft avigation search guide system detector Download PDFInfo
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- CN202679378U CN202679378U CN2012202145425U CN201220214542U CN202679378U CN 202679378 U CN202679378 U CN 202679378U CN 2012202145425 U CN2012202145425 U CN 2012202145425U CN 201220214542 U CN201220214542 U CN 201220214542U CN 202679378 U CN202679378 U CN 202679378U
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Abstract
The utility model discloses an aircraft avigation search guide system detector. The detector comprises an antenna, a transmitting and receiving switch, a receiving unit, a transmitting unit, a DSP signal process module, and a panel unit, wherein the signal received from the antenna is received and processed by the transmitting and receiving switch, the receiving unit and the DSP signal process module in turn, the DSP signal process module is connected with the panel unit, the transmitted signal passes through the DSP signal process module, the transmitting unit and the transmitting and receiving switch in turn and transmitted outside by the antenna. The detector also comprises a frequency synthesizer and a power supply unit for supplying the power to the detector, wherein the frequency synthesizer is respectively connected with the receiving unit, the transmitting unit and the DSP signal process module. The detector can quickly detect two core devices, namely an on-board survival radio station and an on-board orienting machine, in the outfield, the maintenance and guarantee capability and efficiency are increased, and the avigation search guide system at a good working state is ensured.
Description
Technical field
The utility model relates to a kind of aircraft aviation search index system detector, belongs to the technology of instrument and meter field.
Background technology
China is an ocean big country, also is sea-freight big country and air transport big country.Therefore, set up that technical merit is high, troop is salvaged in the marine salvage of the development need that adapts to the situation, improve naval searching rescue ability and emergency reaction ability, advanced person's science and technology is applied to marine salvage work just seems extremely important.
Sea rescue is an arduous complicated job, needs to command, the cooperating of department such as communication, communications and transportation, health just can assure success.China has built up national unified sea rescue and the command system of the difficult ship of relief at present, and has proposed simultaneously aviation search index rescue system.
In order to improve the flight-line service supportability of aviation search index system, how to develop a kind of Field Test Set for detection of aircraft aviation search index systemic-function and performance, be the problem that the utility model mainly solves.
Summary of the invention
The utility model does not also have a kind of detecting instrument for detection of aircraft aviation search index systemic-function and performance at present in order to solve, a kind of aircraft aviation search index system detector is provided, this detector can be finished in the outfield fast detecting to airborne safeguard station and two kinds of nucleus equipments of airborne Direction Finder, improve Support ability and efficient, guarantee that aviation search index system is in good working state.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of aircraft aviation search index system detector, comprise antenna, transmit-receive switch, receiving element, transmitter unit, the DSP signal processing module, and panel unit, the signal of antenna reception is successively through transmit-receive switch, receiving element, the reception of DSP signal processing module and processing, described DSP signal processing module is connected with panel unit, transmit successively through the DSP signal processing module, transmitter unit, behind the transmit-receive switch, gone out by antenna transmission, described detector also comprises frequency synthesizer and is the power subsystem of detector power supply, described frequency synthesizer respectively with receiving element, transmitter unit and DSP signal processing module connect.
Further, described panel unit comprises display, button, switch volume potentiometer, voice transmission switch, the beacon emissions switch that is connected with the DSP signal processing module respectively.
Further again, described panel unit also comprises the status indicator lamp that is connected with the DSP signal processing module.
Preferably, described status indicator lamp is the LED lamp.
Preferably, described display is liquid crystal display.
Further, between described transmit-receive switch and receiving element, be connected with the LNA circuit.
Further, between described transmit-receive switch and transmitter unit, be connected with coupling circuit.
Compared with prior art, advantage of the present utility model and good effect are: detector of the present utility model adopts " inquiring after-question and answer " mode that safeguard station is carried out functional check, measuring ability comprehensively, easily and fast, anti-interference is good; Adopt spread spectrum technic, anti-very noisy interference, artificial disturbance, arrowband disturb, the multipath interference performance is strong, have the advantages such as atmospheric radio waves " flux density " are low, information hiding, multiple access secure communication, can under complex electromagnetic environment, finish the outfield and detect maintenance; Adopt acoustic code words digital communication technology, clear sound; Adopt novel Direct Digital Frequency Synthesizers (DDS) technology frequently to close circuit, the wide ranges of frequency is provided, frequency stability is good; Muting sensitivity, small-power state model can realize that the outfield is to the detection of airborne safeguard station power, sensitivity; Adopt liquid crystal display, the menu operation mode, man-machine interface is good; Volume is little, lightweight, and is easy to carry, is suitable for line using.
After reading by reference to the accompanying drawings the detailed description of the utility model execution mode, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is a kind of example structure block diagram of aircraft aviation search index system detector that the utility model proposes;
Fig. 2 is part-structure block diagram among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in more detail.
Embodiment one, referring to shown in Figure 1, a kind of aircraft aviation search index system detector of the present embodiment, comprise antenna, transmit-receive switch, receiving element, transmitter unit, the DSP signal processing module, and panel unit, described antenna, transmit-receive switch, receiving element is connected with the DSP signal processing module and is connected, the signal of antenna reception is successively through transmit-receive switch, receiving element, the reception of DSP signal processing module and processing, described DSP signal processing module is connected with panel unit, described transmit-receive switch also successively with transmitter unit, the DSP signal processing module connects, transmit successively through the DSP signal processing module, transmitter unit, behind the transmit-receive switch, gone out by antenna transmission, described detector also comprises frequency synthesizer and is the power subsystem of detector power supply, described frequency synthesizer respectively with receiving element, transmitter unit and DSP signal processing module connect.
Power subsystem in the present embodiment mainly contains Power supply and power amplifier emission two parts function, described transmit-receive switch is the front end of complete machine, its can with antenna reception to small-signal deliver to receiving element with the loss of minimum, and the signal that transmitter unit produces is delivered to antenna with the loss of minimum.Referring to shown in Figure 2, in order to realize above-mentioned functions, between described transmit-receive switch and receiving element, be connected with the LNA circuit, between described transmit-receive switch and transmitter unit, be connected with coupling circuit.
Further, described panel unit comprises display, button, switch volume potentiometer, voice transmission switch, the beacon emissions switch that is connected with the DSP signal processing module respectively.Described display is preferably liquid crystal display.
Described panel unit also comprises the status indicator lamp that is connected with the DSP signal processing module.The indicated operating state of indicator light comprises: external power supply, battery electric quantity, beacon emissions, conversation/reply.The external power supply indicator light is lighted when external power supply, during without external power supply then for not lighting; In like manner its excess-three indicator light is under this kind state, and status indicator lamp is lighted, and status indicator lamp is not then for lighting under this kind operating state, and described status indicator lamp is preferably the LED lamp.When carrying out the communication of acoustic code words, the voice signal of sending into by transmitter is amplified into through audio amplifier circuit that the DSP signal processing module carries out spread spectrum and BPSK is modulated to intermediate-freuqncy signal, give the local oscillation signal that power amplifier sends here with frequency synthesizer by the DSP signal processing module after broadband filter filtering again and carry out mixing, the amplification channel of then sending into uhf band after amplifier amplifies harmony table filter filtering amplifies and launches.Carrying out beacon when communication, the beacon signal of being sent here by the DSP signal processing module is added to final stage power amplifier after amplifying grid carries out amplitude modulation, and modulated high-frequency am signal is gone out by antenna transmission by transmit-receive switch by two grades of electronic attenuators; Simultaneously, amplitude modulated high-frequency signal is coupled to again the sidetone detecting circuit and carries out detection, and the audio signal that is detected is delivered to receiver or earphone, is used for monitoring the beacon working condition of transmitter unit.
Frequency synthesizer is realized the signal reception and is provided complete machine work required various frequencies, comprise receiving circuit and close circuit frequently, wherein the small-signal brought of receiving circuit duplexer unit is carried out filtering, amplification, high-frequency signal is carried out mixing, make signal frequency be down to intermediate frequency, then the signal demodulation is recovered.This detector development ensures according to the outfield safeguards the actual requirement that detects, and at receive path high/low sensitivity mapping function is set.Frequently closing circuit provides complete machine work needed each frequency, and for complete machine provides clock source, its frequency that provides comprises: the clock signal that the DSP signal processing module is required, the receipts local oscillation signal that receiving element is required, the local oscillation signal that transmitter unit is required etc.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection range of the present utility model.
Claims (7)
1. aircraft aviation search index system detector, it is characterized in that: comprise antenna, transmit-receive switch, receiving element, transmitter unit, the DSP signal processing module, and panel unit, the signal of antenna reception is successively through transmit-receive switch, receiving element, the reception of DSP signal processing module and processing, described DSP signal processing module is connected with panel unit, transmit successively through the DSP signal processing module, transmitter unit, behind the transmit-receive switch, gone out by antenna transmission, described detector also comprises frequency synthesizer and is the power subsystem of detector power supply, described frequency synthesizer respectively with receiving element, transmitter unit and DSP signal processing module connect.
2. detector according to claim 1, it is characterized in that: described panel unit comprises display, button, switch volume potentiometer, voice transmission switch, the beacon emissions switch that is connected with the DSP signal processing module respectively.
3. detector according to claim 2, it is characterized in that: described panel unit also comprises the status indicator lamp that is connected with the DSP signal processing module.
4. detector according to claim 3, it is characterized in that: described status indicator lamp is the LED lamp.
5. detector according to claim 2, it is characterized in that: described display is liquid crystal display.
6. the described detector of each claim is characterized in that: be connected with the LNA circuit between described transmit-receive switch and receiving element according to claim 1-5.
7. the described detector of each claim is characterized in that: be connected with coupling circuit between described transmit-receive switch and transmitter unit according to claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202145425U CN202679378U (en) | 2012-05-14 | 2012-05-14 | Aircraft avigation search guide system detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202145425U CN202679378U (en) | 2012-05-14 | 2012-05-14 | Aircraft avigation search guide system detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679378U true CN202679378U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202145425U Expired - Fee Related CN202679378U (en) | 2012-05-14 | 2012-05-14 | Aircraft avigation search guide system detector |
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| CN (1) | CN202679378U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393910A (en) * | 2014-11-26 | 2015-03-04 | 成都中远信电子科技有限公司 | Radio frequency module for remote measuring, remote control and data transmission system for unmanned aerial vehicle |
| CN104393909A (en) * | 2014-11-26 | 2015-03-04 | 成都中远信电子科技有限公司 | Use method for radio frequency module for remote measuring, remote control and data transmission system for unmanned aerial vehicle |
| CN104485974A (en) * | 2014-11-26 | 2015-04-01 | 成都中远信电子科技有限公司 | Radio frequency module for remote metering, remote control and data transmission system of unmanned aerial vehicle and using method of radio frequency module |
-
2012
- 2012-05-14 CN CN2012202145425U patent/CN202679378U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393910A (en) * | 2014-11-26 | 2015-03-04 | 成都中远信电子科技有限公司 | Radio frequency module for remote measuring, remote control and data transmission system for unmanned aerial vehicle |
| CN104393909A (en) * | 2014-11-26 | 2015-03-04 | 成都中远信电子科技有限公司 | Use method for radio frequency module for remote measuring, remote control and data transmission system for unmanned aerial vehicle |
| CN104485974A (en) * | 2014-11-26 | 2015-04-01 | 成都中远信电子科技有限公司 | Radio frequency module for remote metering, remote control and data transmission system of unmanned aerial vehicle and using method of radio frequency module |
| CN104393910B (en) * | 2014-11-26 | 2017-04-26 | 成都中远信电子科技有限公司 | Radio frequency module for remote measuring, remote control and data transmission system for unmanned aerial vehicle |
| CN104393909B (en) * | 2014-11-26 | 2017-05-24 | 成都中远信电子科技有限公司 | Use method for radio frequency module for remote measuring, remote control and data transmission system for unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130514 |