CN207427127U - A kind of unmanned plane wide frequency antenna multiplexer - Google Patents
A kind of unmanned plane wide frequency antenna multiplexer Download PDFInfo
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- CN207427127U CN207427127U CN201721260578.6U CN201721260578U CN207427127U CN 207427127 U CN207427127 U CN 207427127U CN 201721260578 U CN201721260578 U CN 201721260578U CN 207427127 U CN207427127 U CN 207427127U
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Abstract
The utility model discloses a kind of unmanned plane wide frequency antenna multiplexer.The device includes：Wide frequency antenna, the first power splitter and multiple receiving filters；First power splitter is connected with wide frequency antenna, and also multiple receiving filters with each function module on corresponding unmanned plane are connected；Wide frequency antenna receives external signal, and the external signal received is sent to the first power splitter；External signal is divided into multichannel subsignal by the first power splitter, and each way signal is respectively sent to multiple receiving filters；Each receiving filter is filtered the subsignal received, and the signal obtained after filtering process is sent to corresponding function module.It can be seen that, the utility model substitutes existing more antennas using a wide frequency antenna, realize the reception of all external signals, and the various signals needed for unmanned plane are sent to corresponding function module by the processing for passing through the first power splitter and multiple receiving filters, the weight of unmanned plane is significantly reduced, improves the cruising time of unmanned plane.
Description
Technical field
The utility model is related to unmanned air vehicle technique field, more particularly to a kind of unmanned plane wide frequency antenna multiplexer.
Background technology
UAV referred to as " unmanned plane ", is the not manned aircraft manipulated using control device, is usually used in clapping in the air
Take the photograph, geographical mapping, traffic real time monitoring, supply line's inspection, pesticide spraying etc..
With the development of unmanned air vehicle technique, the component on unmanned plane also increasingly increases, and more and more new components are added into
Into unmanned plane, the performance of unmanned plane is on the one hand improved, and on the other hand adds the weight of unmanned plane.Unmanned plane continues
ETS estimated time of sailing is the weight strong correlation with unmanned plane, and weight is bigger, and cruising time is shorter.Current civilian unmanned plane on the market
Cruising time is all within 30 minutes.
Unmanned plane by antenna realize and PERCOM peripheral communication, traditional unmanned plane be provided only with receive remote signal antenna and
The antenna of receiving world locational system (Global Positioning System, GPS) signal, the prior art is in order to improve nothing
Man-machine performance is provided with more antennas on it, and these antenna adds the weight of unmanned plane, reduces the continuation of the journey of unmanned plane
Time constrains the market expansion of unmanned plane to a certain extent.
Utility model content
In order to solve the problems, such as that existing unmanned plane antenna weights are big, cruising time is short, the utility model provides one kind
Unmanned plane wide frequency antenna multiplexer.
Unmanned plane wide frequency antenna multiplexer provided by the utility model, including：Wide frequency antenna, the first power splitter and multiple
Receiving filter；
First power splitter is connected with wide frequency antenna, also accepts filter with the multiple of each function module on corresponding unmanned plane
Device is connected；
Wide frequency antenna receives external signal, and the external signal received is sent to the first power splitter；
External signal is divided into multichannel subsignal by the first power splitter, and each way signal is respectively sent to multiple receive and is filtered
Ripple device；
Each receiving filter is filtered the subsignal received, by obtained after filtering process and unmanned plane
The corresponding signal of working frequency range of each function module be sent to corresponding function module.
Optionally, multiple receiving filters include：First GPS wave filters and flight control wave filter；
External signal is divided into first via subsignal and the second way signal by the first power splitter；
First GPS wave filters are filtered first via subsignal, the first frequency of correspondence that will be obtained after filtering process
The GPS satellite signal of section is sent to the locating module of unmanned plane；
Flight control wave filter is filtered the second way signal, the second frequency of correspondence that will be obtained after filtering process
The flight control signal of section is sent to the remote control reception module of unmanned plane.
Optionally, the insertion loss of the first GPS wave filters is less than 1db.
Optionally, multiple receiving filters further include：Base station signal wave filter；
External signal is divided into first via subsignal, the second way signal and the 3rd way signal by the first power splitter；
Base station signal wave filter is filtered the 3rd way signal, and corresponding second is obtained from the 3rd way signal
The GPS ground base station satellite-signals of acquisition are sent to the locating module of unmanned plane by the GPS ground base station satellite-signals of frequency range.
Optionally, the filtering of flight control wave filter passes through frequency range part by frequency range and the filtering of base station signal wave filter
Overlapping.
Optionally, which further includes：GPS low noise amplifiers, the second power splitter, the 2nd GPS wave filters and the 3rd GPS filters
Ripple device；
GPS low noise amplifiers are connected with the first GPS wave filters, and GPS satellite signal is handled, and obtain amplified
GPS satellite signal；
Second power splitter handles amplified GPS satellite signal to obtain two-way GPS satellite subsignal；
2nd GPS wave filters defend the GPS after filtering process to wherein GPS satellite subsignal is filtered all the way
Planetesimal signal is sent to the attitude transducer of unmanned plane；
3rd GPS wave filters are filtered wherein another way GPS satellite subsignal, by the GPS after filtering process
Satellite subsignal is sent to the locating module of unmanned plane.
Optionally, the suppression of the 2nd GPS wave filters and the 3rd GPS wave filters to the signal beyond the working frequency range of locating module
System is more than 40db.
Optionally, which further includes：Transmitting filter, transmitting filter receive at least one function module of unmanned plane
Unmanned plane running state data is sent to the first power splitter by the unmanned plane running state data of transmission；
First power splitter sends unmanned plane running state data by wide frequency antenna.
Optionally, which further includes：First operating status wave filter, the second operating status wave filter, operating status are closed
Road device and unmanned plane running state data power amplifier；
First operating status wave filter receives the unmanned plane during flying data that the flying quality module of unmanned plane is sent；
The image data for the unmanned plane acquisition that the image module that second operating status wave filter receives unmanned plane is sent；
Wherein, unmanned plane during flying data and image data are with the side of time-domain multiplexed under the control of the controller of unmanned plane
Formula is respectively sent to the first operating status wave filter and the second operating status wave filter；
The image data that operating status combiner gathers unmanned plane during flying data and unmanned plane merges, and generates nobody
Machine running state data；
Transmitting filter is received through unmanned plane running state data power amplifier treated unmanned plane operating status number
According to.
Optionally, the first operating status wave filter, the second operating status wave filter and transmitting filter are to flying quality mould
The degree of suppression of signal beyond the working frequency range of block and image module is more than 40db.
The beneficial effects of the utility model are that the utility model sets wide frequency antenna on unmanned plane, pass through wide frequency antenna
All external signals are received, with reference to the first power splitter, the external signal received is divided into multichannel subsignal, and each way is believed
The receiving filter of each function module on corresponding unmanned plane number is respectively sent to, for each receiving filter to the son that receives
Signal is filtered, and obtains signal corresponding with each function module working frequency range of unmanned plane, and is sent to corresponding
Function module is used for each function module.Compared with the prior art, the utility model is substituted existing using a wide frequency antenna
More antennas, realize the reception of all external signals, and pass through the processing of the first power splitter and multiple receiving filters by nothing
Man-machine required various signals are sent to corresponding function module, significantly reduce the weight of unmanned plane, improve unmanned plane
Cruising time.
Description of the drawings
Fig. 1 is the structure diagram of the unmanned plane antenna multiplexed apparatus of the utility model one embodiment；
Fig. 2 is the structure diagram of the unmanned plane antenna multiplexed apparatus of the utility model another embodiment.
Fig. 3 is the flow diagram of the unmanned plane antenna multiplexing method of the utility model one embodiment.
Specific embodiment
The technical issues of in order to solve to propose in background technology, present inventor expect setting wideband on unmanned plane
Antenna receives all external signals by wide frequency antenna, and with reference to the first power splitter, the external signal received is divided into multichannel
Signal, and each way signal is respectively sent to the receiving filter of each function module on corresponding unmanned plane, for each reception
Wave filter is filtered the subsignal received, obtains letter corresponding with each function module working frequency range of unmanned plane
Number, and corresponding function module is sent to, it is used for each function module.It is existing more so as to be substituted using a wide frequency antenna
Root antenna realizes that the reception of all external signals significantly reduces the weight of unmanned plane, improves the cruising time of unmanned plane.
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Fig. 1 is the structure diagram of the unmanned plane antenna multiplexed apparatus of the utility model one embodiment.As shown in Figure 1,
The device of the utility model embodiment includes：Wide frequency antenna 11, the first power splitter 12 and multiple receiving filters 13；
First power splitter 12 is connected with wide frequency antenna 11, also multiple receptions with each function module on corresponding unmanned plane
Wave filter 13 is connected；Wide frequency antenna 11 receives external signal, and the external signal received is sent to the first power splitter 12；
It should be noted that the unmanned plane of the utility model embodiment is provided with wide frequency antenna 11, the work of wide frequency antenna 11
Make frequency range to be set according to the working frequency range of function module on unmanned plane, cover the work frequency of each function module of unmanned plane
Section, for receiving external signal, external signal includes the signal of multiple frequency range scope.
External signal is divided into multichannel subsignal by the first power splitter 12, and each way signal is respectively sent to multiple receptions
Wave filter 13；
It should be noted that the first power splitter 12 will external signal energy be divided into two-way all the way or multiple signals energy is defeated
Go out, i.e., after external signal being divided into multichannel subsignal, the signal of multiple frequency range is included in every way signal；First power splitter 12
Each way signal is respectively sent to each receiving filter 13 respectively.Wherein, the way of subsignal is according to each of unmanned plane
What the working frequency range of a function module determined.For example, when unmanned plane includes two function modules, and the two function modules tool
There are two different working frequency range, then external signal are divided into two-way subsignal.
Each receiving filter 13 is filtered the subsignal received, will be obtained after filtering process and nobody
The corresponding signal of working frequency range of each function module of machine is sent to corresponding function module.
It should be noted that each receiving filter 13 being connected with the first power splitter of the utility model embodiment is connecing
After receiving subsignal, the subsignal received is filtered, only allows the subsignal of designated frequency band by by other frequencies
The subsignal of section filters out, and obtains corresponding with each function module working frequency range of unmanned plane signal, thus by with unmanned plane
The corresponding signal of working frequency range of each function module is sent to corresponding function module.
The utility model sets wide frequency antenna on unmanned plane, and all external signals are received by wide frequency antenna, with reference to
The external signal received is divided into multichannel subsignal, and each way signal is respectively sent to corresponding unmanned plane by one power splitter
The receiving filter of upper each function module, is filtered the subsignal received for each receiving filter, obtains
Signal corresponding with each function module working frequency range of unmanned plane, and corresponding function module is sent to, for each function mould
Block uses.Compared with the prior art, the utility model substitutes existing more antennas using a wide frequency antenna, realizes all outer
The reception of portion's signal, and the processing for passing through the first power splitter and multiple receiving filters sends the various signals needed for unmanned plane
Extremely corresponding function module significantly reduces the weight of unmanned plane, improves the cruising time of unmanned plane.
In a kind of optional embodiment of the utility model embodiment, as shown in Fig. 2, including wide frequency antenna 201,
One power splitter 202 and multiple receiving filters；Multiple receiving filters include：First GPS wave filters 203 and flight control filtering
Device 211；
External signal is divided into first via subsignal and the second way signal by the first power splitter 202；
First GPS wave filters 203 are filtered first via subsignal, the correspondence first that will be obtained after filtering process
The GPS satellite signal of frequency range is sent to the locating module 209 of unmanned plane；
Flight control wave filter 211 is filtered the second way signal, by the correspondence obtained after filtering process the
The flight control signal of two frequency ranges is sent to the remote control reception module 212 of unmanned plane.
In practical applications, the working frequency range of the locating module 209 of unmanned plane be 1.57GHz, the remote control reception of unmanned plane
The working frequency range of module 212 is 2.4GHz.
Here, the first GPS wave filters 203 are for obtaining the corresponding signal of working frequency range with locating module 209, specifically
During implementation, the first GPS wave filters 203 are filtered first via subsignal, filter out except GPS to obtain GPS satellite signal
Signal beyond satellite-signal, the external signal such as received include the flight control of the GPS satellite signal and 2.4GHz of 1.57GHz
During signal, the GPS satellite signal of 1.57GHz is by the way that the flight control signal of 2.4GHz is filtered out, by the GPS satellite of 1.57GHz
Signal is sent to the locating module 209 of unmanned plane.
Flight control wave filter 211 is for obtaining the corresponding signal of working frequency range with remote control reception module 212, specifically
During implementation, Fetion control wave filter 211 is filtered the second way signal, filters out and remove to obtain flight control signal
Signal beyond flight control signal, the external signal such as received include the GPS satellite signal of 1.57GHz and flying for 2.4GHz
During row control signal, the flight control signal of 2.4GHz is by the way that the GPS satellite signal of 1.57GHz is filtered out, by flying for 2.4GHz
Row control signal is sent to the remote control reception module 212 of unmanned plane.
Preferably, to ensure not influence faint GPS satellite signal, the insertion loss of the first GPS wave filters is less than
1db。
In order to improve the location accuracy of unmanned plane, the locating module on unmanned plane is differential GPS module, by receiving
GPS ground base station satellite-signals GPS satellite signal is modified.
Further, multiple receiving filters further include：Base station signal wave filter 210；
External signal is divided into first via subsignal, the second way signal and the 3rd way signal by the first power splitter 202；
Base station signal wave filter 210 is filtered the 3rd way signal, obtains and corresponds to from the 3rd way signal
The GPS ground base station satellite-signals of acquisition are sent to the positioning mould of unmanned plane by the GPS ground base station satellite-signals of the second frequency range
Block 209.
Since the remote controler of unmanned plane and the communication of remote control reception module are using time domain frequency hopping, and the positioning of unmanned plane
The working frequency range of the reception GPS ground base station satellite-signals of module 209 is identical with the working frequency range of remote control reception module 212 (to be
2.4GHz), to ensure normally receiving for GPS ground base stations satellite-signal and flight control signal, flight control wave filter 211
Filtering is partly overlapped by frequency range and the filtering of base station signal wave filter 210 by frequency range.
When it is implemented, the remote controler of unmanned plane and the communication of remote control reception module use time domain frequency hopping, in difference
At the time of occupy different channel in frequency range, if being allocated to remote control reception mould 2.4GHz frequency ranges (2.4GHz-2.5GHz) are whole
Block 212 can then take all channels of 2.4GHz-2.5GHz, however locating module 209 receives GPS ground base stations satellite letter
Number frequency range be also 2.4GHz.Thus, the local channel in 2.4GHz frequency ranges is allocated to remote control and connect by the utility model embodiment
Module 212 is received, and is divided according to channel and the filtering of flight control wave filter 211 is set to pass through frequency range and base station signal wave filter
210 filtering is partly overlapped by frequency range.For example, the channel of 2.4GHz-2.45GHz is allocated to remote control reception module 212；Fly
Row control wave filter 211 is 2.4GHz-2.45GHz by frequency range using France's 2.4GHz wave filters, filtering；Base station signal is filtered
Ripple device 210 uses common 2.4GHz wave filters, and filtering is 2.4-2.5GHz by frequency range.
In practical applications, the remote controler of unmanned plane with remote control reception module using frequency hopping, mutually arrange by the two
Random variation code, the only random variation code parsing acquisition flight control signal of 212 energy basis of remote control reception module, and locating module
209 can not parse acquisition flight control signal, be only capable of obtaining GPS ground base station satellite-signals.
The device further includes：GPS low noise amplifiers 204, the second power splitter 205, the 2nd GPS wave filters 206 and the 3rd GPS
Wave filter 208；
GPS low noise amplifiers 204 are connected 203 with the first GPS wave filters, and GPS satellite signal is handled, is amplified
GPS satellite signal afterwards；
Second power splitter 205 handles amplified GPS satellite signal to obtain two-way GPS satellite subsignal；
2nd GPS wave filters 206 are to wherein GPS satellite subsignal is filtered all the way, by the GPS after filtering process
Satellite subsignal is sent to the attitude transducer 207 of unmanned plane；
3rd GPS wave filters 208 are filtered wherein another way GPS satellite subsignal, after filtering process
GPS satellite subsignal is sent to the locating module 209 of unmanned plane.
It should be noted that in order to ensure that the GPS of the locating module 209 and attitude transducer 207 that are sent to unmanned plane is defended
The quality of star signal, the first GPS wave filters 203 are connected with GPS low noise amplifiers 204, and GPS is defended by GPS low noise amplifiers 204
Star signal is handled.
It will be appreciated that after the attitude transducer 207 of unmanned plane receives GPS satellite signal, it can be according to GPS satellite signal
The posture of unmanned plane is determined more accurately.
Preferably, beyond the 2nd GPS wave filters 206 and the 3rd GPS wave filters 208 are to the working frequency range of locating module 209
Signal degree of suppression be more than 40db.
It should be noted that GPS low noise amplifiers 204 are used to defend the faint GPS that the first GPS wave filters 203 are sent
Star signal amplifies.What is received due to the 2nd GPS wave filters 206 and the 3rd GPS wave filters 208 is amplified GPS satellite signal,
Thus the insertion loss of the 2nd GPS wave filters 206 and the 3rd GPS wave filters 208 is not required, it is desirable that the 2nd GPS wave filters
206 and the 3rd GPS wave filters 208 it is big to signal the signal of 2.4GHz and 5.8GHz (particularly) degree of suppression beyond 1.57GHz
In 40db.
The device further includes：Transmitting filter 213, transmitting filter 213 receive at least one function module of unmanned plane
Unmanned plane running state data is sent to the first power splitter 202 by the unmanned plane running state data of transmission；
First power splitter 202 sends unmanned plane running state data by wide frequency antenna 201.
It will be appreciated that the utility model embodiment can also receive the function mould of unmanned plane by transmitting filter 213
The running state data of reception is sent to the first work(point by the running state data of the unmanned plane of block acquisition, transmitting filter 213
Running state data is sent out by device 202, the first power splitter 202 by wide frequency antenna 201.
Specifically, which further includes：First operating status wave filter 216, the second operating status wave filter 218, operation
State combiner 215 and unmanned plane running state data power amplifier 214；
First operating status wave filter 216 receives the unmanned plane during flying data that the flying quality module 217 of unmanned plane is sent；
The picture number for the unmanned plane acquisition that the image module 219 that second operating status wave filter 218 receives unmanned plane is sent
According to；
Wherein, unmanned plane during flying data and image data are with the side of time-domain multiplexed under the control of the controller of unmanned plane
Formula is respectively sent to the first operating status wave filter and the second operating status wave filter；
The image data that operating status combiner 215 gathers unmanned plane during flying data and unmanned plane merges, and generates
Unmanned plane running state data；
Transmitting filter 213 is received through the operation of treated the unmanned plane of unmanned plane running state data power amplifier 214
Status data.
In practical applications, the working frequency range of flying quality module 217 and image data module 219 is 5.8GHz, is
Avoid unmanned plane running state data distortion, the control flying quality module 217 and image data mould of the controller of unmanned plane
The data each gathered are respectively sent to the first operating status wave filter 216 and the second fortune by block 219 in a manner of time-domain multiplexed
Row state filter 218.For example, the data volume of unmanned plane during flying data is smaller, the number of the image data of unmanned plane acquisition
It is larger according to measuring, unmanned plane during flying data can be sent by 50ms within the time of 1s, 950ms sends the image data of unmanned plane acquisition.
Preferably, the first operating status wave filter 216, the second operating status wave filter 218 and transmitting filter 214 are to flying
The degree of suppression of signal beyond the working frequency range of row data module 217 and image module 219 is more than 40db.
In practical applications, the gain of unmanned plane running state data power amplifier 214 is more than 10db.It is run to first
The insertion loss of state filter 216, the second operating status wave filter 218 and transmitting filter 213 is not required, it is desirable that right
Signal (the particularly signal of 1.57GHz and 2.4GHz) degree of suppression beyond 5.8GHz is more than 40db.
It should be noted that existing unmanned plane is typically provided with 6 antennas, including：Working frequency range is the of 1.57GHz
The GPS satellite signal received for receiving GPS satellite signal, is sent to the locating module of unmanned plane by one GPS antenna；Work
Make the second GPS antenna that frequency range is 1.57GHz, for receiving GPS satellite signal, the GPS satellite signal received is sent to
The attitude transducer of unmanned plane；Working frequency range is the remote control reception antenna of 2.4GHz, for receiving the flight control of remote controler transmission
The flight control signal received is sent to remote control reception module by signal processed；Working frequency range is the data transmission day of 2.4GHz
The GPS ground base station satellite-signals of reception for receiving GPS ground base station satellite-signals, are sent to locating module by line；Work
Frequency range is the data transmission antenna of 5.8GHz, for receiving unmanned plane during flying data, by the unmanned plane during flying data sending of reception
To earth station；Working frequency range is the image transmitting antenna of 5.8GHz, for receiving the image data of unmanned plane acquisition, by reception
Image data is sent to earth station.
Above-mentioned 6 antennas are arranged on unmanned plane, are added the weight of unmanned plane, are reduced the cruising time of unmanned plane.
Thus, the utility model embodiment substitutes above-mentioned 6 antennas using wide frequency antenna, by the processing of power splitter and wave filter by nothing
Man-machine required various signals are sent to corresponding function module, and by the data sending of unmanned plane acquisition to earth station, significantly
The weight of unmanned plane is alleviated, improves the cruising time of unmanned plane.
In 6 antennas of existing unmanned plane, minimum working frequency range is 1.57GHz, and maximum working frequency range is
5.8GHz, therefore, in practical applications, the working frequency range of wide frequency antenna is 1GHz-6GHz, to ensure that wide frequency antenna can cover institute
Some working frequency range；Direction is omni-directional, guarantees to receive external signal in all directions.In addition, the impedance of the wide frequency antenna
For 50 ohm, in full working frequency range echo damage be less than -8db.
Fig. 3 is the flow diagram of the unmanned plane antenna multiplexing method of the utility model one embodiment.As shown in figure 3,
The method of the utility model embodiment includes：
S31：Wide frequency antenna receives external signal, and the external signal received is sent to the first power splitter.
S32：The external signal received from wide frequency antenna is divided into multichannel subsignal by the first power splitter, and each way is believed
Multiple receiving filters of each function module on the corresponding unmanned plane being connected with the first power splitter number are respectively sent to, wherein,
The way of subsignal is determined according to the working frequency range of each function module of unmanned plane.
S33：Each receiving filter is filtered the subsignal received, obtains each function with unmanned plane
The corresponding signal of module working frequency range, and the corresponding signal of the working frequency range of each function module with unmanned plane is sent to phase
The function module answered.
The unmanned plane wide frequency antenna multiplexing method that the utility model embodiment provides, sets wide frequency antenna on unmanned plane,
All external signals are received by wide frequency antenna, are divided into multichannel son letter with reference to the first power splitter, and by the external signal received
Number, and each way signal is respectively sent to the receiving filter of each function module on corresponding unmanned plane, it is filtered for each receive
Ripple device is filtered the subsignal received, obtains letter corresponding with each function module working frequency range of unmanned plane
Number, and corresponding function module is sent to, it is used for each function module.Compared with the prior art, the utility model uses one
Root wide frequency antenna substitutes existing more antennas, realizes the reception of all external signals, and passes through the first power splitter and multiple connect
Various signals needed for unmanned plane are sent to corresponding function module by the processing for receiving wave filter, significantly reduce the weight of unmanned plane
Amount improves the cruising time of unmanned plane.
In a kind of optional embodiment of the utility model embodiment, external signal includes GPS satellite signal and flies
Row control signal；
The external signal received from wide frequency antenna is divided into multichannel subsignal and included by the first power splitter：
The external signal received from wide frequency antenna is divided into first via subsignal and the second way signal by the first power splitter；
Each receiving filter is filtered the subsignal received, obtains each function module with unmanned plane
The corresponding signal of working frequency range, and the corresponding signal of working frequency range of each function module with unmanned plane is sent to corresponding
Function module, including：
First GPS wave filters are filtered first via subsignal, and corresponding first is obtained from first via subsignal
The GPS satellite signal of acquisition is sent to the locating module of unmanned plane by the GPS satellite signal of frequency range；
Flight control wave filter is filtered the second way signal, and corresponding second is obtained from the second way signal
The flight control signal of acquisition is sent to the remote control reception module of unmanned plane by the flight control signal of frequency range.
In order to improve the location accuracy of unmanned plane, the locating module on unmanned plane is differential GPS module, by receiving
GPS ground base station satellite-signals GPS satellite signal is modified.
Further, the external signal that the utility model embodiment wide frequency antenna receives further includes GPS ground base station satellites
Signal；
The external signal received from wide frequency antenna is divided into multichannel subsignal and included by the first power splitter：
First power splitter by the external signal received from wide frequency antenna be divided into first via subsignal, the second way signal and
3rd way signal；
Each receiving filter is filtered the subsignal received, obtains each function module with unmanned plane
The corresponding signal of working frequency range, and the corresponding signal of working frequency range of each function module with unmanned plane is sent to corresponding
Function module further includes：
Base station signal wave filter is filtered the 3rd way signal, and corresponding second is obtained from the 3rd way signal
The GPS ground base station satellite-signals of acquisition are sent to the locating module of unmanned plane by the GPS ground base station satellite-signals of frequency range.
Further, after the first GPS wave filters are filtered first via subsignal, further include：
GPS satellite signal is handled by the GPS low noise amplifiers being connected with the first GPS wave filters, is amplified
GPS satellite signal afterwards；
Amplified GPS satellite signal is handled by the second power splitter to obtain two-way GPS satellite subsignal, wherein
GPS satellite subsignal is sent to the attitude transducer of unmanned plane, wherein another way GPS satellite through the 2nd GPS wave filters all the way
Signal is sent to the locating module of unmanned plane through the 3rd GPS wave filters.
It should be noted that in order to ensure to be sent to the locating module of unmanned plane and the GPS satellite signal of attitude transducer
Quality, the first GPS wave filters are connected with GPS low noise amplifiers, GPS satellite signal are handled by GPS low noise amplifiers.
It will be appreciated that after the attitude transducer of unmanned plane receives GPS satellite signal, it can be according to GPS satellite signal more
Add the posture of accurately definite unmanned plane.
Further, this method further includes：
The unmanned plane that first power splitter receives at least one function module transmission of unmanned plane from transmitting filter runs shape
State data；
Unmanned plane running state data is sent by wide frequency antenna.
It will be appreciated that the function module that the utility model embodiment can also receive unmanned plane by transmitting filter is adopted
The running state data of reception is sent to the first power splitter by the running state data of the unmanned plane of collection, transmitting filter, and first
Running state data is sent out by power splitter by wide frequency antenna.
Specifically, the image data that unmanned plane running state data includes unmanned plane during flying data and unmanned plane gathers；
The unmanned plane that first power splitter receives at least one function module transmission of unmanned plane from transmitting filter runs shape
State data, including：
First operating status wave filter receives the unmanned plane during flying data that the flying quality module of unmanned plane is sent；
The image data for the unmanned plane acquisition that the image module that second operating status wave filter receives unmanned plane is sent；
Wherein, unmanned plane during flying data and image data are with the side of time-domain multiplexed under the control of the controller of unmanned plane
Formula is respectively sent to the first operating status wave filter and the second operating status wave filter；
The image data that operating status combiner gathers unmanned plane during flying data and unmanned plane merges, and generates nobody
Machine running state data；
Transmitting filter is received through unmanned plane running state data power amplifier treated unmanned plane operating status number
According to；
First power splitter receives unmanned plane running state data from transmitting filter.It should be noted that the present embodiment
This unmanned plane antenna multiplexing method be it is corresponding with the course of work of foregoing unmanned plane antenna multiplexed apparatus, therefore, this implementation
The content for not having description in the realization step of unmanned plane antenna multiplexing method in example may refer to the foregoing unmanned plane of the utility model
Related description in antenna multiplexed apparatus embodiment, which is not described herein again.
In conclusion technical solution according to the present utility model, sets wide frequency antenna on unmanned plane, pass through wide frequency antenna
All external signals are received, with reference to the first power splitter, the external signal received is divided into multichannel subsignal, and each way is believed
The receiving filter of each function module on corresponding unmanned plane number is respectively sent to, for each receiving filter to the son that receives
Signal is filtered, and is sent to corresponding function module, is used for each function module.Compared with the prior art, originally
Utility model substitutes existing more antennas using a wide frequency antenna, realizes the reception of all external signals, and passes through first
Various signals needed for unmanned plane are sent to corresponding function module by the processing of power splitter and multiple receiving filters, are subtracted significantly
The light weight of unmanned plane improves the cruising time of unmanned plane.
It should be understood by those skilled in the art that, the embodiment of the utility model can be provided as method, system or computer
Program product.Therefore, the utility model can be used complete hardware embodiment, complete software embodiment or with reference to software and hardware
The form of the embodiment of aspect.
In the specification of the utility model, numerous specific details are set forth.Although it is understood that the utility model
Embodiment can be put into practice without these specific details.In some instances, be not been shown in detail well known method,
Structure and technology, so as not to obscure the understanding of this description.Similarly, it should be understood that disclosed to simplify the utility model
And it one or more of helps to understand in terms of each utility model, the retouching to the exemplary embodiment of the utility model above
In stating, each feature of the utility model is grouped together into sometimes in single embodiment, figure or descriptions thereof.However,
The method of the disclosure should not be explained and be intended in reflection is following：The requires of the utility model ratio i.e. claimed is in each power
The more features of feature being expressly recited in profit requirement.More precisely, as the following claims reflect, it is practical new
It is all features less than single embodiment disclosed above in terms of type.Therefore, it then follows the claim of specific embodiment
Thus book is expressly incorporated in the specific embodiment, wherein the independent implementation as the utility model of each claim in itself
Example.
The above is only specific embodiment of the present utility model, under the above-mentioned introduction of the utility model, this field
Technical staff can carry out other improvement or deformation on the basis of above-described embodiment.It will be understood by those skilled in the art that
Above-mentioned specific descriptions simply preferably explain the purpose of this utility model, and the scope of protection of the utility model should be with claim
Protection domain subject to.
Claims (10)
1. a kind of unmanned plane wide frequency antenna multiplexer, which is characterized in that including：It wide frequency antenna, the first power splitter and multiple connects
Receive wave filter；
First power splitter is connected with the wide frequency antenna, also multiple receptions with each function module on corresponding unmanned plane
Wave filter is connected；
The wide frequency antenna receives external signal, and the external signal received is sent to first power splitter；
The external signal is divided into multichannel subsignal by first power splitter, and each way signal is respectively sent to described more
A receiving filter；
Each receiving filter is filtered the subsignal received, by obtained after filtering process and unmanned plane
The corresponding signal of working frequency range of each function module be sent to corresponding function module.
2. the apparatus according to claim 1, which is characterized in that the multiple receiving filter includes：First GPS wave filters
Wave filter is controlled with flight；
The external signal is divided into first via subsignal and the second way signal by first power splitter；
The first GPS wave filters are filtered the first via subsignal, by the correspondence obtained after filtering process
The GPS satellite signal of one frequency range is sent to the locating module of the unmanned plane；
Flight control wave filter is filtered the second way signal, the second frequency of correspondence that will be obtained after filtering process
The flight control signal of section is sent to the remote control reception module of the unmanned plane.
3. the apparatus of claim 2, which is characterized in that the insertion loss of the first GPS wave filters is less than 1db.
4. the apparatus of claim 2, which is characterized in that the multiple receiving filter further includes：Base station signal is filtered
Ripple device；
The external signal is divided into first via subsignal, the second way signal and the 3rd way signal by first power splitter；
Base station signal wave filter is filtered the 3rd way signal, obtains and corresponds to from the 3rd way signal
The GPS ground base stations satellite-signal of acquisition is sent to the unmanned plane by the GPS ground base station satellite-signals of the second frequency range
Locating module.
5. device according to claim 4, which is characterized in that the filtering of the flight control wave filter passes through frequency range and institute
The filtering for stating base station signal wave filter is partly overlapped by frequency range.
6. device according to claim 4, which is characterized in that described device further includes：GPS low noise amplifiers, the second work(
Divide device, the 2nd GPS wave filters and the 3rd GPS wave filters；
The GPS low noise amplifiers are connected with the first GPS wave filters, and the GPS satellite signal is handled, is put
GPS satellite signal after big；
Second power splitter handles the amplified GPS satellite signal to obtain two-way GPS satellite subsignal；
The 2nd GPS wave filters defend the GPS after filtering process to wherein GPS satellite subsignal is filtered all the way
Planetesimal signal is sent to the attitude transducer of unmanned plane；
The 3rd GPS wave filters are filtered wherein another way GPS satellite subsignal, by the GPS after filtering process
Satellite subsignal is sent to the locating module of unmanned plane.
7. device according to claim 6, which is characterized in that the 2nd GPS wave filters and the 3rd GPS wave filters
40db is more than to the degree of suppression of the signal beyond the working frequency range of locating module.
8. the apparatus according to claim 1, which is characterized in that described device further includes：Transmitting filter, it is described to send filter
Ripple device receives the unmanned plane running state data that at least one function module of the unmanned plane is sent, and the unmanned plane is run
Status data is sent to first power splitter；
First power splitter sends the unmanned plane running state data by the wide frequency antenna.
9. device according to claim 8, which is characterized in that described device further includes：First operating status wave filter,
Two operating status wave filters, operating status combiner and unmanned plane running state data power amplifier；
The first operating status wave filter receives the unmanned plane during flying data that the flying quality module of the unmanned plane is sent；
The image data for the unmanned plane acquisition that the image module that the second operating status wave filter receives the unmanned plane is sent；
Wherein, the unmanned plane during flying data and image data are with time-domain multiplexed under the control of the controller of the unmanned plane
Mode be respectively sent to the first operating status wave filter and the second operating status wave filter；
The image data that the operating status combiner gathers the unmanned plane during flying data and unmanned plane merges, and generates
Unmanned plane running state data；
The transmitting filter is received through unmanned plane running state data power amplifier treated unmanned plane operating status number
According to.
10. device according to claim 9, which is characterized in that the first operating status wave filter, second operation
State filter and the transmitting filter are to the signal beyond the working frequency range of the flying quality module and image module
Degree of suppression is more than 40db.
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| CN201721260578.6U CN207427127U (en) | 2017-09-28 | 2017-09-28 | A kind of unmanned plane wide frequency antenna multiplexer |
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| CN201721260578.6U CN207427127U (en) | 2017-09-28 | 2017-09-28 | A kind of unmanned plane wide frequency antenna multiplexer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062201A1 (en) * | 2017-09-28 | 2019-04-04 | 歌尔股份有限公司 | Wide-frequency antenna multiplexing method and apparatus for unmanned aerial vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019062201A1 (en) * | 2017-09-28 | 2019-04-04 | 歌尔股份有限公司 | Wide-frequency antenna multiplexing method and apparatus for unmanned aerial vehicle |
| US11233537B2 (en) | 2017-09-28 | 2022-01-25 | Goertek Inc. | Wide-band antenna multiplexing method and device of unmanned aerial vehicle |
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