CN106506016B - A kind of low frequencies system based on flying platform - Google Patents

A kind of low frequencies system based on flying platform Download PDF

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Publication number
CN106506016B
CN106506016B CN201610957080.9A CN201610957080A CN106506016B CN 106506016 B CN106506016 B CN 106506016B CN 201610957080 A CN201610957080 A CN 201610957080A CN 106506016 B CN106506016 B CN 106506016B
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CN
China
Prior art keywords
low
flying platform
antenna
end
system based
Prior art date
Application number
CN201610957080.9A
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Chinese (zh)
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CN106506016A (en
Inventor
翟琦
王永斌
宫烨
尚建华
杨延江
Original Assignee
中国人民解放军海军工程大学
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Priority to CN2016103032713 priority Critical
Priority to CN201610303271 priority
Application filed by 中国人民解放军海军工程大学 filed Critical 中国人民解放军海军工程大学
Publication of CN106506016A publication Critical patent/CN106506016A/en
Application granted granted Critical
Publication of CN106506016B publication Critical patent/CN106506016B/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64BLIGHTER-THAN AIR AIRCRAFT
    • B64B1/00Lighter-than-air aircraft
    • B64B1/40Balloons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/04Helicopters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B13/00Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy

Abstract

The present invention discloses a kind of low frequencies system based on flying platform, the system includes: that flying platform, gondola low frequency transmit subsystem, antenna, wherein flying platform is connected with one end that gondola low frequency transmits subsystem, and the other end that gondola low frequency transmits subsystem is connected with antenna;It includes control unit, low-frequency power amplifier unit, folding and unfolding winding plant, power supply unit that gondola low frequency, which transmits subsystem, wherein power supply unit is connected with low-frequency power amplifier unit, control unit, folding and unfolding winding plant respectively by current supply line, and control unit is connected with power supply unit, folding and unfolding winding plant, low-frequency power amplifier unit respectively by signal control line;Antenna includes feeder line, antenna body, immersion electrode and reinforces rope, wherein one end of feeder line is connect with low-frequency power amplifier unit, the other end of feeder line and one end of antenna body connect, and the one end for reinforcing rope is connect with folding and unfolding winding plant, and the other end for reinforcing rope is connect with immersion electrode.

Description

A kind of low frequencies system based on flying platform

Technical field

The present invention relates to low frequencies to transmit field, especially a kind of low frequencies system based on flying platform.

Background technique

Long-wave communication refers to a kind of means communicated using the radio wave that wavelength is 1km-10km, corresponding frequency For 30kHz-300kHz, also known as LF communication.Its maximum feature is that radio wave propagation is more stable, and propagation attenuation is smaller, can Go deep into seawater and underground with lesser loss, can be widely applied to transoceanic communication, underground communication and geological prospecting etc..It is existing right Latent communication is based on bank base low frequency transmission system.Existing bank base low frequency transmission system is in large scale, and the construction period is long, and cost is huge Greatly, quantity is few and is difficult hidden, fragile structure, is difficult to repair in a short time by destroying, and stupid sustainability can be poor;Improve stupid sustainability energy Approach have 4 kinds: hidden, firm anti-hard strike, motor-driven, quantity.Radio transmission system needs external electromagnetic radiation signal, can not Hidden and firm mode is taken to realize stupid deposit.Therefore, maneuverability and transmission system quantity can only be relied on to latent transmission system Realize the stupid ability of depositing, it is necessary to develop have maneuverability and it is low in cost be suitble to largely equip to latent transmission system.

On the other hand, from tactical communication, due to lacking maritime formation to the directly effective command means of submariner submarine, Causing to form into columns can not really implement with cooperateing with for submarine.Submarine allocate surface warship formation it is in unison when, fleet is general It is transferred the letter by base station, but has that commander's link is more, can constrain that submarine is motor-driven, base station needs ready to go out on duty for a long time, equipment consumption greatly etc. Disadvantage causes to transmit difficulty in real time.Meanwhile being transferred the letter to latent commander by base station if forming into columns, there are timeliness, and low, depth has The problems such as limit, ocean sea area can not ensure, and the limited communication resource is occupied, therefore, formation need to have to coaction The means that submarine directly transmits in real time.In summary, it is necessary to which existing low frequency transmission system is improved.

Summary of the invention

For the above-mentioned prior art, the technical problem to be solved by the present invention is to overcome existing the stupid of low frequencies system to deposit Performance is poor, real-time is low, effective height is low, radiation efficiency is low, surface ship lack can portable to latent transmit the problems such as means, A kind of low frequencies system that can improve the above performance is provided.

To solve the above problems, a kind of low frequencies system based on flying platform of the present invention, which includes: that flight is flat Platform, gondola low frequency transmit subsystem, antenna, and wherein flying platform is connected with one end that gondola low frequency transmits subsystem, and gondola is low The other end for the letter subsystem that takes place frequently is connected with antenna;Gondola low frequency transmits subsystem and includes control unit, low-frequency power amplifier unit, receives Releasing hoister device, power supply unit, wherein power supply unit by current supply line respectively with low-frequency power amplifier unit, control unit, folding and unfolding Winding plant be connected, control unit by signal control line respectively with power supply unit, folding and unfolding winding plant, low-frequency power amplifier unit phase Even;Antenna includes feeder line, antenna body, immersion electrode and reinforces rope, and wherein one end of feeder line is connect with low-frequency power amplifier unit, feeder line The other end and antenna body one end connect, reinforce rope one end connect with folding and unfolding winding plant, reinforce restrict the other end and leaching Water electrode connection.

In the low frequencies system of above-mentioned flying platform: flying platform has preferable mobility.Gondola low frequency transmits Control unit in subsystem is responsible for message signals to be launched being conveyed to low-frequency power amplifier unit and controls low-frequency power amplifier unit The elements such as working conditions such as unlatching, closing, tuning, matching so that its completion is transmitted task;Meanwhile control unit is also completed to day The control of line folding and unfolding winding plant discharges antenna before transmitting beginning and recycles after the completion of transmitting.Power supply unit be responsible for The part such as control unit, low-frequency power amplifier unit, folding and unfolding winding plant powers.Low-frequency power amplifier unit, which removes, has low frequency power amplification function Except energy, it is also equipped with tuning and the matching feature of output signal.Feeder line in antenna mainly plays transmission low frequency radio frequency signal function, Antenna body mainly plays radiation effects, and immersion electrode has the function of terminal stabilization, keeps antennas orthogonal, while the electrode that soaks can It into seawater, is conductively connected with seawater, plays the role of reduction antenna reactance, improve antenna current distribution, and then promote antenna Effective height.Antenna transmits the folding and unfolding winding plant in subsystem with gondola low frequency and connect, with the increasing of flying platform height Add, antenna electric size increases therewith.Due to the increase of antenna electric size and the promotion of antenna effective height, the radiation efficiency of antenna Improved.

Further, antenna is by the way of suspension.The height and antenna of control and change of flight platform can be passed through Length, to change the input impedance of antenna itself, accordingly to realize the tuning and matching of antenna.

Still further, gondola low frequency transmits the subsystem gondola form plug-in using flying platform.Its main feature is that volume It is small, light-weight, Electro Magnetic Compatibility is good, can by the naval warfares platform such as ship-board aircraft, unmanned plane, balloon carry and shift, delivery Platform multiplicity, can transmit maneuverability during exercise, and the stupid ability of depositing is strong.

Preferably, flying platform is helicopter.Helicopter is primarily adapted for use in the surface ship for being equipped with carrier-based helicopter.

Preferably, flying platform is unmanned plane.Unmanned plane is primarily adapted for use in small sweeper.

Preferably, flying platform is balloon.Balloon is primarily adapted for use in islands and reefs.

Preferably, immersion electrode is bell mouth shape.

Preferably, immersion electrode is cone.

Preferably, immersion electrode is cage type.

Preferably, immersion electrode is sphere.

By adopting the above-described technical solution, the present invention has the advantage that compared to existing low frequency transmission system, originally The low frequency transmission system of invention has the preferable flying platform of mobility (such as helicopter flight platform), and using suspension Mode connect with antenna, effectively improve stupid sustainability energy, the maneuverability of system, improve radiation efficiency, can be carried by naval vessels, It realizes that naval vessels transmit the direct tactics of submarine, and low in cost, can largely equip.

Detailed description of the invention

Fig. 1 is the structure composition schematic diagram of antenna in the low frequencies system the present invention is based on flying platform.

Fig. 2 is the schematic diagram of the low frequencies system the present invention is based on flying platform.

Fig. 3 is that the antenna in the low frequencies system the present invention is based on flying platform is divided using the electric current before and after immersion electrode Cloth comparison diagram.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into Row is further described.Described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.

The structure composition of antenna is as shown in Figure 1 in low frequencies system based on flying platform.The antenna 3 includes feeder line 31, antenna body 32, immersion electrode 33 and reinforcement rope 34.One end of feeder line 31 is connect with low-frequency power amplifier unit 21, feeder line 31 it is another One end is connect by wire clamp mode with one end of antenna body 32, and the one end for reinforcing rope 34 is connect with folding and unfolding winding plant 22, is reinforced The other end of rope 34 is connect with immersion electrode 33.Here wire clamp is technical term, refers to the fitting being fixed on conducting wire.Fitting Refer to that transportion wire is widely used iron or aluminum metal-ware, most of fitting can bear larger pulling force in operation, together When guarantee electrical aspect it is good.Feeder line 31 mainly plays transmission low frequency radio frequency signal function, and antenna body 32 mainly plays radiation effects, leaching Water electrode 33 has the function of terminal stabilization, keeps antenna 3 vertical, while the electrode 33 that soaks is able to enter seawater, leads with seawater Electrical connection is played the role of reducing 3 reactance of antenna, improves 3 current distribution of antenna, and then promote the effective height of antenna 3.Using The current distribution of 33 front and back of immersion electrode is as shown in Figure 3.When not using immersion electrode 33, the effective height of antenna 3 be can reach, and adopt After immersion electrode 33, the effective height of antenna 3 is increased.Due to the promotion of antenna 3 electric size and effective height, antenna 3 Radiation efficiency is improved.

Fig. 2 is a kind of low frequencies system based on flying platform.The system includes that helicopter flight platform 1, gondola are low Take place frequently letter subsystem 2, antenna 3, and wherein helicopter flight platform 1 is sent out using plug-in gondola form by hoist cable and gondola low frequency Believe that one end of subsystem 2 is connected, the other end that gondola low frequency transmits subsystem 2 is connected with antenna 3;Gondola low frequency transmits subsystem 2 include low-frequency power amplifier unit 21, folding and unfolding winding plant 22, control unit 23, power supply unit 24, and wherein power supply unit 24 passes through confession Electric lead is connected with low-frequency power amplifier unit 21, control unit 23, folding and unfolding winding plant 22 respectively, and control unit 23 passes through signal control Line processed is connected with power supply unit 24, folding and unfolding winding plant 22, low-frequency power amplifier unit 21 respectively.Helicopter flight platform 1 have compared with Good mobility.Gondola low frequency transmit the control unit 23 in subsystem 2 be responsible for message signals to be launched are conveyed to it is low The elements such as the working conditions such as frequency power amplifier unit 21 and the unlatching, closing, tuning, the matching that control low-frequency power amplifier unit 21 make its completion Transmit task;Meanwhile the control of the also complete twin aerial folding and unfolding winding plant 22 of control unit 23, make antenna 3 before transmitting beginning It discharges and is recycled after the completion of transmitting.Power supply unit 24 is responsible for control unit 23, low-frequency power amplifier unit 21, folding and unfolding winding plant 22 power supplies.Low-frequency power amplifier unit 21 is also equipped with tuning and the matching function of output signal in addition to having low frequency power enlarging function Energy.The gondola low frequency that antenna 3 hangs load by the way of vertical hanging with helicopter flight platform 1 transmits the folding and unfolding in subsystem 2 Winding plant 22 connects.It can be by controlling and changing the height of helicopter flight platform 1 and the length of antenna 3, thus accordingly Change antenna 3 itself input impedance, to realize the tuning and matching of antenna 3.With the increasing of 1 height of helicopter flight platform Add, 3 electric size of antenna increases therewith, and then the radiation efficiency of antenna 3 is improved.

Claims (10)

1. a kind of low frequencies system based on flying platform, it is characterised in that the system includes: that flying platform (1), gondola are low The letter subsystem that takes place frequently (2), antenna (3), wherein the flying platform (1) and the gondola low frequency transmit subsystem (2) One end is connected, and the other end that the gondola low frequency transmits subsystem (2) is connected with the antenna (3);The gondola is low The letter subsystem that takes place frequently (2) includes low-frequency power amplifier unit (21), folding and unfolding winding plant (22), control unit (23), power supply unit (24), wherein the power supply unit (24) by current supply line respectively with the low-frequency power amplifier unit (21), the control Unit (23) processed, the folding and unfolding winding plant (22) are connected, the control unit (23) by signal control line respectively with The power supply unit (24), the folding and unfolding winding plant (22), the low-frequency power amplifier unit (21) are connected;The day Line (3) includes feeder line (31), antenna body (32), immersion electrode (33) and reinforces rope (34), wherein the one of the feeder line (31) End is connect with the low-frequency power amplifier unit (21), one end of the other end of the feeder line (31) and the antenna body (32) Connection, one end of the reinforcement rope (34) connect with the folding and unfolding winding plant (22), the reinforcement rope (34) it is another One end is connect with the immersion electrode (33), and the immersion electrode (33) has antenna (3) described in terminal stabilization, holding Vertical function, while the immersion electrode (33) is able to enter seawater, is conductively connected with seawater, plays and reduces the day Line (3) reactance improves the effect of described antenna (3) current distribution, and then promotes the effective height of the antenna (3).
2. a kind of low frequencies system based on flying platform according to claim 1, it is characterised in that: the antenna (3) by the way of suspension.
3. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Gondola low frequency transmits subsystem (2) gondola form plug-in using flying platform.
4. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Flying platform (1) is helicopter.
5. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Flying platform (1) is unmanned plane.
6. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Flying platform (1) is balloon.
7. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Electrode (33) are soaked for bell mouth shape.
8. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Electrode (33) are soaked for cone.
9. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Electrode (33) are soaked for cage type.
10. a kind of low frequencies system based on flying platform according to claim 1 or 2, it is characterised in that: described Electrode (33) are soaked for sphere.
CN201610957080.9A 2016-05-06 2016-11-02 A kind of low frequencies system based on flying platform CN106506016B (en)

Priority Applications (2)

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CN2016103032713 2016-05-06
CN201610303271 2016-05-06

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CN106506016B true CN106506016B (en) 2019-05-07

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Publication number Priority date Publication date Assignee Title
CN108110399A (en) * 2017-10-31 2018-06-01 武汉船舶通信研究所(中国船舶重工集团公司第七二二研究所) A kind of VLF antenna

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN201171076Y (en) * 2007-12-21 2008-12-24 中国船舶重工集团公司七五○试验场 Floating crane apparatus

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US8791853B2 (en) * 2011-04-20 2014-07-29 Rockwell Collins, Inc. Air-to-ground antenna

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN201171076Y (en) * 2007-12-21 2008-12-24 中国船舶重工集团公司七五○试验场 Floating crane apparatus

Non-Patent Citations (1)

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Title
预警机总体构型设计综述(一);陈竹梅等;《中国电子科学研究院学报》;20160430;第11卷(第2期);第116-128、143页

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