CN203896342U - System for calling in the air on electric unmanned helicopter - Google Patents
System for calling in the air on electric unmanned helicopter Download PDFInfo
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- CN203896342U CN203896342U CN201420306755.XU CN201420306755U CN203896342U CN 203896342 U CN203896342 U CN 203896342U CN 201420306755 U CN201420306755 U CN 201420306755U CN 203896342 U CN203896342 U CN 203896342U
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Abstract
The utility model provides a system for calling in the air on an electric unmanned helicopter. The system relates to the technical fields of unmanned planes, communication and electronics, and is aimed at the problems that a calling system in the prior art is short in effective distance, difficult to enter violent conflict areas, limited in application environment and unclear in sound. The system integrates three audio transmission schemes including frequency-modulatable independent transmission, audio transmission based on interphones and audio transmission based on a 3G network, and successfully solves the problem of short effective distances and limited application environments of a calling system in the prior art. A receiver developed and designed independently comprises an audio signal bandpass filtering and interference inhibiting algorithm and effectively improves the audio quality. Meanwhile, the system is carried by an electric unmanned helicopter and thus can enter a violent conflict area quickly.
Description
Technical field
The utility model is the integrated system of propagandaing directed to communicate on electric unmanned helicopter, and this system has related to electric unmanned helicopter, unmanned helicopter flight control, wireless communication system, signal of communication processing, embedded system and electromagnetic compatibility (EMC) correlative technology field.
Background technology
Along with going deep into of unmanned plane technical research, people recognize that unmanned plane will be day by day remarkable in the effect of social production and life various aspects dearly.In part high risk industries, use the integrated unmanned aerial vehicle of modernization new and high technology, not only can increase work efficiency and quality, can also reduce operating cost, the more important thing is the risk that can reduce personnel's operation, the protection security of the lives and property.Along with scientific and technological progress and expanding economy, unmanned plane replaces traditional manpower to be engaged in excessive risk, highly difficult and high-intensity work has become inexorable trend.Research and development have the unmanned plane of low cost, high stability and extensive use, have become a kind of exigence.
Instantly the situation is tense for fight against terrorism and violence, and violent conflict region is often difficult to approach, and the propaganda directed to communicate sound of system of ground is difficult to effectively transfer to the core area of conflict area, how effective sound source is delivered to the important directions that conflict area is police equipment development.Whether unmanned plane is a kind of task carrier, can better replace manpower to finish the work, and depends on the application system of carrying on machine.The utility model is for the deficiency of the existing system of propagandaing directed to communicate, designed a set of brand-new talk through aircraft loudspeaker system, this system can solve random noise disturbance and the impulse disturbances in transfer voice effectively,, is also resolved with the electromagnetic compatibility problem of other airborne equipments meanwhile.
Summary of the invention
Problem to be solved in the utility model is, overcomes the deficiencies in the prior art, and a kind of electric unmanned helicopter talk through aircraft loudspeaker system is provided, the security device of the low cost of use special construction design, high security, assurance remote job.
The utility model solves its technical problem and takes following technical scheme to realize:
The utility model relates to a kind of electric unmanned helicopter talk through aircraft loudspeaker system, comprise ground surface end and airborne end, described ground surface end includes microphone, intercom and mobile phone as voice collection device, analog signal modulation module, power module and transmitting antenna, be mainly used in voice signal to be converted into the electromagnetic wave of spatial, the Data-Link of propagation can be selected the existing Data-Link of modulation signal, intercom and the 3G network of self-defined frequency range; Airborne end includes reception antenna, intercom, receiver module and loudspeaker, reception antenna is received from the modulation signal of definition frequency range, intercom receives the signal of ground intercom and passes to receiver module and process, receiver module is integrated analog signal demodulation, 3G reception, Audio Signal Processing and power amplification, be mainly used in controlling reception, denoising and the amplification of wireless signal, and output audio signal amplifies to loudspeaker.
Major function of the present utility model is by carrying the system of propagandaing directed to communicate on unmanned plane, realizing radio remote Distance Transmission and the amplification of sound.The problem mainly solving comprises: the radio remote Distance Transmission of sound source collection, audio signal, interference suppress, audio frequency amplifies and electromagnetic compatibility.
In order to solve above technical problem, the technical scheme that the utility model mainly adopts is:
1) based on frequency modulation, the scheme of amplitude-modulated wave, sound source collection terminal comprises microphone, modulation module and transmitting antenna, wherein microphone is converted into analog electrical signal by voice signal, modulation module is moved the analog signal of low frequency the high band that is beneficial to space transmission, and with electromagnetic form, do theaomni-directional transmission by gain antenna, receiving terminal mainly comprises reception antenna and demodulation module, wherein demodulation module by antenna reception to high-frequency signal move Mid Frequency, intermediate-freuqncy signal frequency range based on voice after sampling is carried out digital band pass filtering and pulse interference suppression, then after low noise power amplification, broadcast.Scheme range of application based on frequency modulation, amplitude-modulated wave is wider, and the centre frequency of modulation signal is adjustable, can according to the difference of the difference of applied environment and airborne wireless equipment, do the adjustment of frequency, effectively avoids co-channel interference.
2) scheme based on intercom, this scheme utilizes existing intercom technology to do the transmission of audio signal, transmits and receives end and is intercom, and equipment is relatively simple, the signal that intercom receives carries out bandpass filtering and pulse interference suppression, then after low noise power amplification, broadcasts.This scheme is simple to operate, easy to use, be suitable for the simple region of electromagnetic environment, but the operating distance of intercom is limited, is not suitable for remote audio transmission.
3) scheme based on 3G network, the communication network of this scheme utilization maturation is done the transmission of audio frequency, and transmitting terminal is only a mobile phone, and receiving terminal is 3G module, when 3G Development of Module, embeds auto-pickup function.First the audio signal that 3G module receives carries out bandpass filtering and pulse interference suppression, then after low noise power amplification, broadcasts.This scheme takes full advantage of the existing audio signal processing technique of communication network, and transmission quality is better, and is not subject to the restriction of distance, but is difficult to realize in the uncovered remote areas of communication network.
Consider complexity and the polytropy of environment for use, the utility model has been integrated three kinds of transmission plans, can independently switch according to different demands.
Embodiment of the present utility model is provided in detail by following embodiment and accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing and embodiment, to provide concrete execution mode, structure, feature and function to be elaborated as follows according to the utility model:
Referring to Fig. 1-2, the utility model comprises ground surface end and airborne end on the whole, and wherein, ground surface end comprises microphone, modulation module, antenna, intercom and mobile phone, and airborne end comprises antenna, receiver, intercom and loudspeaker.Ground surface end comprises three voice collection device, and intercom, mobile phone power-on can be used, and microphone, modulation module and antenna are powered separately as a set of need, and frequency is transferred to airborne receiving terminal with frequently.The intercom of airborne end is connected with receiver by 3.5mm tone frequency channel wire, reception antenna, loudspeaker and supply module in addition simultaneously that be connected with receiver, and connected mode is referring to Fig. 1.In receiver, be integrated with power transfer module, radio frequency processing module, digital signal processing module, 3G communication module and power amplifier module.
During use, airborne end integral body is fixed on to energising on unmanned plane, ground surface end can be selected arbitrary sound collection mode as required.
Accompanying drawing explanation
Fig. 1 is electric unmanned helicopter talk through aircraft loudspeaker system schema schematic diagram;
Fig. 2 is Audio Signal Processing schematic diagram.
Claims (1)
1. an electric unmanned helicopter talk through aircraft loudspeaker system, comprise ground surface end and airborne end, it is characterized in that: described ground surface end includes microphone, intercom and mobile phone as voice collection device, analog signal modulation module, power module and transmitting antenna, be mainly used in voice signal to be converted into the electromagnetic wave of spatial, the Data-Link of propagation can be selected the existing Data-Link of modulation signal, intercom and the 3G network of self-defined frequency range; Airborne end includes reception antenna, intercom, receiver module and loudspeaker, reception antenna is received from the modulation signal of definition frequency range, intercom receives the signal of ground intercom and passes to receiver module and process, receiver module is integrated analog signal demodulation, 3G reception, Audio Signal Processing and power amplification, be mainly used in controlling reception, denoising and the amplification of wireless signal, and output audio signal amplifies to loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306755.XU CN203896342U (en) | 2014-06-10 | 2014-06-10 | System for calling in the air on electric unmanned helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306755.XU CN203896342U (en) | 2014-06-10 | 2014-06-10 | System for calling in the air on electric unmanned helicopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896342U true CN203896342U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420306755.XU Expired - Fee Related CN203896342U (en) | 2014-06-10 | 2014-06-10 | System for calling in the air on electric unmanned helicopter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460682A (en) * | 2014-10-29 | 2015-03-25 | 深圳九星智能航空科技有限公司 | Unmanned aerial vehicle with wireless stereo function |
| CN104869498A (en) * | 2015-03-25 | 2015-08-26 | 深圳市九洲电器有限公司 | Sound playing control method and system |
| WO2016154868A1 (en) * | 2015-03-31 | 2016-10-06 | 深圳市大疆创新科技有限公司 | Flight system, aircraft, sound apparatus and sound processing method |
| CN106788683A (en) * | 2017-01-04 | 2017-05-31 | 四川克瑞斯航空科技有限公司 | A kind of efficient Portable type field aviation audio system |
| CN107135454A (en) * | 2017-06-13 | 2017-09-05 | 南京钟山苑航空技术有限公司 | A kind of public address set for SUAV |
| CN107634776A (en) * | 2017-11-06 | 2018-01-26 | 深圳市大智无疆科技有限公司 | The anti-unmanned plane of uttering long and high-pitched sounds of one kind is propagandaed directed to communicate system and the anti-method of propagandaing directed to communicate of uttering long and high-pitched sounds |
| WO2022040884A1 (en) * | 2020-08-24 | 2022-03-03 | 深圳市大疆创新科技有限公司 | Control method and terminal, unmanned aerial vehicle, system and computer-readable storage medium |
| CN114339624A (en) * | 2021-12-31 | 2022-04-12 | 星逻智能科技(苏州)有限公司 | Unmanned aerial vehicle internet megaphone system and control method thereof |
-
2014
- 2014-06-10 CN CN201420306755.XU patent/CN203896342U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104460682A (en) * | 2014-10-29 | 2015-03-25 | 深圳九星智能航空科技有限公司 | Unmanned aerial vehicle with wireless stereo function |
| CN104869498A (en) * | 2015-03-25 | 2015-08-26 | 深圳市九洲电器有限公司 | Sound playing control method and system |
| CN104869498B (en) * | 2015-03-25 | 2018-08-03 | 深圳市九洲电器有限公司 | Sound control method for playing back and system |
| WO2016154868A1 (en) * | 2015-03-31 | 2016-10-06 | 深圳市大疆创新科技有限公司 | Flight system, aircraft, sound apparatus and sound processing method |
| CN106788683A (en) * | 2017-01-04 | 2017-05-31 | 四川克瑞斯航空科技有限公司 | A kind of efficient Portable type field aviation audio system |
| CN107135454A (en) * | 2017-06-13 | 2017-09-05 | 南京钟山苑航空技术有限公司 | A kind of public address set for SUAV |
| CN107634776A (en) * | 2017-11-06 | 2018-01-26 | 深圳市大智无疆科技有限公司 | The anti-unmanned plane of uttering long and high-pitched sounds of one kind is propagandaed directed to communicate system and the anti-method of propagandaing directed to communicate of uttering long and high-pitched sounds |
| WO2022040884A1 (en) * | 2020-08-24 | 2022-03-03 | 深圳市大疆创新科技有限公司 | Control method and terminal, unmanned aerial vehicle, system and computer-readable storage medium |
| CN114339624A (en) * | 2021-12-31 | 2022-04-12 | 星逻智能科技(苏州)有限公司 | Unmanned aerial vehicle internet megaphone system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20170610 |