CN204464481U - A kind of combined antenna for aviation navigation signals comprehensive simulation device - Google Patents
A kind of combined antenna for aviation navigation signals comprehensive simulation device Download PDFInfo
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- CN204464481U CN204464481U CN201520155411.8U CN201520155411U CN204464481U CN 204464481 U CN204464481 U CN 204464481U CN 201520155411 U CN201520155411 U CN 201520155411U CN 204464481 U CN204464481 U CN 204464481U
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Abstract
The utility model relates to a kind of combined antenna for aviation navigation signals comprehensive simulation device, comprise antenna plate (101), astronomical cycle box body (102), radome (103), it is characterized in that: antenna plate adopts assembled flat antenna structure, be composited by 8 single antenna, wherein antenna plate (101) is arranged in astronomical cycle box body (102), it is outside that radome is positioned at astronomical cycle box body (102), there is structural rigidity good, lightweight, easy for installation, well can ensure electric property, adapt to the work of different navigation signal.
Description
Technical field
The utility model relates to a kind of antenna, particularly a kind of combined antenna for aviation navigation signals comprehensive simulation device.
Background technology
Aircraft airborne navigator is the important part of airplane avionics system, and the kind that the Airplane Navigation Equipment that my army existing uses comprises has: the equipment such as Tacan, VOR, distance measuring equipment, instrument landing, microwave landing, radio compass, aviation management answering machine, satellite navigation (GPS, BDS), shoran made in Russia, instrument landing made in Russia, aviation management answering machine made in Russia.These navigation system operation principles are different with function, have for measuring angle, find range from, range finding deviation and combined type (angle and distance is all surveyed); Working frequency range is different, has long wave, medium wave, metric wave, decimeter wave and centimeter wave; Signal waveform is different, has voice modulation, rectangular pulse modulation, bell-shaped pulse modulation, DPSK modulation etc.
Aviation navigation signal simulation device is used for aircraft airborne navigator and detects, and is the important guarantee of aircraft maintenance quality and the material base of formation supportability, directly affects airplane readiness.Current Airplane Navigation Equipment system is many, kind is many, model is many, and navigation signal form is complicated, and working frequency range differs greatly, and therefore supporting antenna system is many, can only be used alone.
Current aviation navigation signal simulation device main frame has realized integrated, and therefore the supporting antenna of aviation navigation signal simulation device directly affects machine volume and the weight of aviation navigation signals comprehensive simulation device.
Utility model content
The purpose of this utility model is for above technical problem, a kind of combined antenna for aviation navigation signals comprehensive simulation device is provided, comprise antenna plate 101, astronomical cycle box body 102 and radome 103, squaerial plate 101 is arranged in astronomical cycle box body 102, it is outside that radome 103 is positioned at astronomical cycle box body 102, for covering astronomical cycle box body 102, it is characterized in that: antenna plate 101 adopts assembled flat antenna structure, be composited by 8 single antenna being arranged on astronomical cycle box body 102 the same side, comprise:
No. 1 antenna 1011 adopts " S " type oscillator, comprises antenna oscillator 10111 and earth resistance 10112, between the middle part that earth resistance 10112 is connected on " S " type antenna oscillator 10111 and casing ground; No. 1 antenna 1011 is placed in center-left position, antenna plate 101 top, and the length direction of antenna oscillator 10111 is parallel with antenna plate 101 upper edge, distance antenna plate 101 left margin 5 ~ 8 centimetres, distance 5 ~ 8 centimetres, antenna plate 101 upper edge;
No. 2 antennas 1012 adopt " S " type oscillator, comprise antenna oscillator 10121 and the earth resistance between the middle part of antenna oscillator 10121 and casing ground 10112; No. 2 antennas 1012 are positioned at below No. 1 antenna 1011, antenna oscillator 10121 is parallel with an antenna oscillator 10111, distance antenna plate 101 left margin 5 ~ 8 centimetres, 10 ~ 20 centimetres, distance No. 1 antenna 1011 lower edge, to avoid and mutually to disturb between No. 1 antenna 1011 as far as possible;
3 ~ No. 6 antennas 1013 ~ 1016 all adopt vertical monopole antenna; Wherein the oscillator length of No. 3 antennas 1013 is 22 centimetres, and the oscillator length of No. 4 antennas 1014 is 8.5 centimetres, and the oscillator length of No. 5 antennas 1015 is 7.5 centimetres, and the oscillator length of No. 6 antennas 1016 is 10 centimetres; 3 ~ No. 6 antennas adopt and design altogether, namely common mode is used to intend ground 1010, the shape of 1010 is " L " shape roughly in analog, should " L " shape dextrorotation be needed to turn 90 degrees, to be applicable to the placement of 3 ~ No. 6 antennas, 1010 distance antenna plate 101 left margin 2 ~ 3 centimetres in analog, distance 0.1 ~ 0.5 centimetre, antenna plate 101 lower edge, along 10 ~ 16 centimetres on the right of distance antenna plate 101; 3 ~ No. 6 antenna oscillator directions parallel with 1, No. 2 antenna oscillator direction, be arranged in order from the bottom to top, 5 centimetres, interval between 3 ~ No. 6 antenna oscillators, distance 5 ~ 8 centimetres, antenna plate 101 lower edge as a whole, wherein 4 ~ No. 6 antenna oscillators contact with the top right edge on ground 1010, and No. 3 antenna oscillators contact with the lower right edge on ground 1010;
No. 7 antennas 1017 use the form of doublet antenna, and its position is on the right of the middle part of antenna plate 101, between No. 2 antennas 1012 and 3 ~ No. 6 antennas, No. 7 antennas 1017 be polarized to perpendicular polarization; No. 7 antenna 1017 entirety are parallel to 1, No. 2 antenna oscillator direction, and length is 12 centimetres, along 5 ~ 8 centimetres on the right of distance antenna plate 101, and 5 ~ 8 centimetres, distance No. 2 antenna lower edges, 10 ~ 15 centimetres, distance No. 5 antennas, prevent inter-antenna interference;
No. 8 antennas 1018 are made up of microstrip line 10181 and symmetrical dipole 10182; Microstrip line 10181 is the transmission systems be made up of with the metallic conductor band 101811 be deposited on dielectric substrate 101813 and ground plate 181812 dielectric substrate 101813, is dielectric substrate 101813 between conductor belt 101811 and ground plate 101812; The position of No. 8 antennas 1018 is in the left side, middle part of antenna plate 101, between No. 2 antennas 1012 and 3 ~ No. 6 antennas, the left side of No. 7 antennas 1017, distance antenna plate 101 left margin 5 ~ 8 centimetres, 4 ~ 7 centimetres, distance No. 2 antenna lower edges, 10 ~ 15 centimetres, distance No. 5 antennas; No. 8 antennas 1018 adopt the symmetrical dipole 10182 installing converter additional as antenna radiator, and converter uses microstrip transmission line form.
In one embodiment of the invention:
The quarter spaces wavelength of No. 1 antenna 1011 is 1000mm;
The quarter spaces wavelength of No. 2 antennas 1012 is 694mm;
The quarter spaces wave-length coverage 369 ~ 915mm of 3 ~ No. 6 antennas 1013 ~ 1016;
The free space half-wavelength of No. 7 antennas 1017 is roughly 138mm;
The centre frequency of No. 8 antennas 1018 is 5.06GHz, and free space half-wavelength is 29.6mm.
In one embodiment of the invention, each antenna oscillator adopts and applies copper photoetching making; Astronomical cycle box body 102 aluminium alloy material, overall processing is shaping; Radome 103 is expoxy glass cloth material.
This antenna structure good rigidly, lightweight, easy for installation, well can ensure electric property.
Accompanying drawing explanation
Fig. 1 is the position overall diagram of the utility model on aviation navigation signals comprehensive simulation device;
Fig. 2 is the utility model front view;
Fig. 3 is the utility model No. 8 antenna profiles.
Description of reference numerals:
Aviation navigation signals comprehensive simulation device mainframe box 20, combined antenna 10, antenna plate 101, astronomical cycle box body 102, radome 103, No. 1 antenna 1011, No. 2 antennas 1012, No. 3 antennas 1013, No. 4 antennas 1014, No. 5 antennas 1015, No. 6 antennas 1016, No. 7 antennas 1017, No. 8 antennas 1018, No. 1 antenna oscillator 10111, No. 1 antenna ground resistance 10112, No. 2 antenna oscillators 10111, No. 2 antenna ground resistance 10112, 3 to No. 6 antenna ground 1010, No. 8 antenna oscillators 10181, No. 8 antenna medium substrates 10182, No. 8 antenna conductor bands 101811, No. 8 antenna ground plates 101812, No. 8 antenna medium substrates 101813.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.
The combined antenna of comprehensive simulation device is for receiving and dispatching navigation signal.Ground-based navigation aid is 11 kinds, and signal type is various, requires form satisfactory antenna patterns illustrated and meet certain gain, meets little, the lightweight design object of antenna volume simultaneously.
According to signal frequency and the antenna polarization direction of integrated navigation equipment, antenna is divided into 8 classes, as shown in table 1.
Table 1 the key technical indexes
Antenna serial number | Frequency | Polarised direction |
1 | 75MHz | Horizontal polarization |
2 | 108~112MHz | Horizontal polarization |
3 | 328~336MHz | Horizontal polarization |
4 | 873~935MHz | Horizontal polarization |
5 | 939~1000MHz | Horizontal polarization |
6 | 726~812MHz | Horizontal polarization |
7 | 960~1215MHz | Perpendicular polarization |
8 | 5030~5090MHz | Perpendicular polarization |
Aviation navigation signals comprehensive simulation device (706 × 590 × 490mm) in a cabinet achieves the measuring ability of tens all Airplane Navigation Equipment, as shown in Figure 1, it is anterior that combined antenna 10 is positioned at cabinet 20, adopts assembled flat antenna structure, have 8 single antenna and be composited.Combined antenna 10 comprises antenna plate 101, astronomical cycle box body 102, radome 103, and wherein antenna plate 101 is arranged in astronomical cycle box body 102, and it is outside that radome is positioned at astronomical cycle box body 102.
Combined antenna 10 has the performance that standing wave is little, have Net long wave radiation in antenna structure dead ahead.The installing space of combined antenna is little, antenna amount is many, span lengths is large, arranges 8 cover antennas in limited space domestic demand.Element antenna and feed system structure thereof simply, take up room little, therefore select monopole antenna or doublet antenna can meet electric and structural requirement simultaneously.
As shown in Figure 2, the antenna plate 101 of combined antenna 10 comprises 8 antennas, and they are all arranged on the same side of astronomical cycle box body 102, arrange according to the position shown in figure.No. 1 antenna 1011 frequency is lower, and wavelength is longer, and its quarter spaces wavelength is 1000mm.From Monopole directivity function, when antenna height is greater than quarter-wave, when being less than 1/2nd wavelength, there is larger gain in normal direction, and without secondary lobe.Therefore, in order to the length of extension antenna oscillator 10111, adopt " S " type oscillator.Although this method considerably increases antenna length, but still is less than operation wavelength, and adds reflection power.In order to reduce reflection power, reduce standing wave, between the middle part of antenna oscillator 10111 and casing ground, there is an earth resistance 10112.Though loss fractionated gain, greatly standing wave can be reduced.Consider combined antenna overall volume and take antenna plate 101 area, No. 1 antenna 1011 is placed in center-left position, antenna plate 101 top, the length direction of No. 1 antenna oscillator 10111 is parallel with antenna plate 101 upper edge, distance antenna plate 101 left margin 5 ~ 8 centimetres, distance 5 ~ 8 centimetres, antenna plate 101 upper edge.
No. 2 antennas 1012 are also that frequency is lower, and wavelength is longer, and its quarter spaces wavelength is 694mm, and same employing " S " type oscillator, comprises antenna oscillator 10121 and between the middle part of antenna oscillator 10121 and casing ground, have an earth resistance 10112.No. 2 antennas 1012 are positioned at below No. 1 antenna 1011, antenna oscillator 10121 is parallel with an antenna oscillator 10111, distance antenna plate 101 left margin 5 ~ 8 centimetres, 10 ~ 20 centimetres, distance No. 1 antenna 1011 lower edge, to avoid and mutually to disturb between No. 1 antenna 1011 as far as possible.
The wavelength of 3 ~ No. 6 antennas is shorter, all adopts vertical monopole antenna; The oscillator length of No. 3 antennas 1013 is 22 centimetres; The oscillator length of No. 4 antennas 1014 is 8.5 centimetres; The oscillator length of No. 5 antennas 1015 is 7.5 centimetres; The oscillator length of No. 6 antennas 1016 is 10 centimetres.3 ~ 6 antennas adopt and design altogether, Fig. 2 bend part 1010 is in analog, the shape of 1010 is " L " shape roughly in analog, should " L " shape dextrorotation be needed to turn 90 degrees, to be applicable to the placement of 3 ~ No. 6 antennas, 1010 distance antenna plate 101 left margin 2 ~ 3 centimetres in analog, distance 0.1 ~ 0.5 centimetre, antenna plate 101 lower edge, along 10 ~ 16 centimetres on the right of distance antenna plate 101, this structure is adopted to be area in order to increase as far as possible in limited range in analog, improve antenna performance, 3 ~ No. 6 antenna oscillator directions and 1, No. 2 antenna oscillator directions parallel, be arranged in order from the bottom to top, 5 centimetres, interval between 3 ~ No. 6 antenna oscillators, distance 5 ~ 8 centimetres, antenna plate 101 lower edge as a whole, wherein 4 ~ No. 6 antenna oscillators contact with the top right edge on ground 1010, No. 3 antenna oscillators contact with the lower right edge on ground 1010.3 ~ No. 6 antenna oscillators are so arranged, are utilize the area of antenna plate 101 in order to maximum in limited range and prevent inter-antenna interference.
The position of No. 7 antennas 1017 is on the right of the middle part of antenna plate 101, between No. 2 antennas 1012 and 3 ~ No. 6 antennas, No. 7 antennas 1017 be polarized to perpendicular polarization, its free space half-wavelength is approximately 138mm, series resonance will occur when the length of symmetrical dipole is half-wavelength.Therefore No. 7 antennas 1017 use the form of doublet antenna.Adopt doublet antenna not need conduction the earth, the impact on 1 ~ No. 6 horizontally-polarized antenna can be reduced.No. 7 antenna 1017 entirety are parallel to 1, No. 2 antenna oscillator direction, and length is 12 centimetres, and along 5 ~ 8 centimetres on the right of distance antenna plate 101,5 ~ 8 centimetres, distance No. 2 antenna lower edges, 10 ~ 15 centimetres, distance No. 5 antennas, prevent inter-antenna interference.
The position of No. 8 antennas 1018 is in the left side, middle part of antenna plate 101, between No. 2 antennas 1012 and 3 ~ No. 6 antennas, the left side of No. 7 antennas 1017, distance antenna plate 101 left margin 5 ~ 8 centimetres, 4 ~ 7 centimetres, distance No. 2 antenna lower edges, 10 ~ 15 centimetres, distance No. 5 antennas.The centre frequency of No. 8 antennas 1018 is 5.06GHz, and free space half-wavelength is 29.6mm, is made up of microstrip line 10181 and symmetrical dipole 10182.Microstrip line 10181 is the transmission systems be made up of with the metallic conductor band 101811 be deposited on dielectric substrate 101813 and ground plate 181812 dielectric substrate 101813.Be dielectric substrate 101813 between conductor belt 101811 and ground plate 101812, as shown in Figure 3.Because No. 8 antenna 1018 wavelength are short, so adopt the symmetrical dipole 10182 installing converter additional as antenna radiator, converter uses microstrip transmission line form.
Each antenna oscillator adopts and applies copper photoetching making, and be the requirement of satisfied sky Line stiffness, intensity, astronomical cycle box body 102 aluminium alloy material, overall processing is shaping.Radome 103 is expoxy glass cloth material, and wave is good, and loss is low.This antenna structure good rigidly, lightweight, easy for installation, well can ensure electric property.
Following table gives antenna actual measurement standing-wave ratio.As can be seen from table, eight slave antennas all can meet instructions for use.
Table 2 electrical specifications situation up to standard
Antenna | Standing-wave ratio |
No. 1 antenna | 1.86 |
No. 2 antennas | 1.76 |
No. 3 antennas | 2.65 |
No. 4 antennas | 2.32 |
No. 5 antennas | 1.62 |
No. 6 antennas | 1.88 |
No. 7 antennas | 1.46 |
No. 8 antennas | 1.21 |
The major function of the present embodiment:
Following navigation signal can be applied to:
● the air-ground navigation signal of Tacan
● the absolutely empty navigation signal of Tacan
● microwave landing navigation signal
● precise distance measurement navigation signal
● marker beacon navigation signal
● range-finding navigation signal
● vor navigation signal
● instrument landing navigation signal
● air traffic control radar beacon navigation signal
● radio compass signal
● radio altimeter signal
● satellite navigation signals (GPS, BD)
● shoran signal made in Russia
● landing navigation signal made in Russia
● absolutely empty navigation signal made in Russia
Claims (3)
1. an aviation navigation signals comprehensive simulation device combined antenna, comprise antenna plate (101), astronomical cycle box body (102) and radome (103), squaerial plate (101) is arranged in astronomical cycle box body (102), it is outside that radome (103) is positioned at astronomical cycle box body (102), for covering astronomical cycle box body (102), it is characterized in that: antenna plate (101) adopts assembled flat antenna structure, be composited by 8 single antenna being arranged on astronomical cycle box body (102) the same side, comprise
No. 1 antenna (1011) adopts " S " type oscillator, comprise antenna oscillator (10111) and earth resistance (10112), between the middle part that earth resistance (10112) is connected on " S " type antenna oscillator (10111) and casing ground; No. 1 antenna (1011) is placed in center-left position, antenna plate (101) top, the length direction of antenna oscillator (10111) is parallel with antenna plate (101) upper edge, distance antenna plate (101) left margin 5 ~ 8 centimetres, distance 5 ~ 8 centimetres, antenna plate (101) upper edge;
No. 2 antennas (1012) adopt " S " type oscillator, comprise antenna oscillator (10121) and the earth resistance (10112) between the middle part and casing ground of antenna oscillator (10121); No. 2 antennas (1012) are positioned at No. 1 antenna (1011) below, antenna oscillator (10121) is parallel with an antenna oscillator (10111), distance antenna plate (101) left margin 5 ~ 8 centimetres, 10 ~ 20 centimetres, distance No. 1 antenna (1011) lower edge, to avoid and mutually to disturb between No. 1 antenna (1011) as far as possible;
3 ~ No. 6 antennas (1013 ~ 1016) all adopt vertical monopole antenna; Wherein the oscillator length of No. 3 antennas (1013) is 22 centimetres, the oscillator length of No. 4 antennas (1014) is 8.5 centimetres, the oscillator length of No. 5 antennas (1015) is 7.5 centimetres, and the oscillator length of No. 6 antennas (1016) is 10 centimetres; 3 ~ No. 6 antennas adopt and design altogether, namely common mode is used to intend ground (1010), the shape of (1010) is " L " shape roughly in analog, should " L " shape dextrorotation be needed to turn 90 degrees, to be applicable to the placement of 3 ~ No. 6 antennas, (1010) distance antenna plate (101) left margin 2 ~ 3 centimetres in analog, distance 0.1 ~ 0.5 centimetre, antenna plate (101) lower edge, distance antenna plate (101) the right is along 10 ~ 16 centimetres; 3 ~ No. 6 antenna oscillator directions parallel with 1, No. 2 antenna oscillator direction, be arranged in order from the bottom to top, 5 centimetres, interval between 3 ~ No. 6 antenna oscillators, distance 5 ~ 8 centimetres, antenna plate (101) lower edge as a whole, wherein 4 ~ No. 6 antenna oscillators contact with the top right edge on ground (1010), and No. 3 antenna oscillators contact with the lower right edge on ground (1010);
No. 7 antennas (1017) use the form of doublet antenna, its position is on the right of the middle part of antenna plate (101), be positioned between No. 2 antennas (1012) and 3 ~ No. 6 antennas, No. 7 antennas (1017) be polarized to perpendicular polarization; No. 7 antenna (1017) entirety are parallel to 1, No. 2 antenna oscillator direction, length is 12 centimetres, along 5 ~ 8 centimetres on the right of distance antenna plate (101), and 5 ~ 8 centimetres, distance No. 2 antenna lower edges, 10 ~ 15 centimetres, distance No. 5 antennas, prevent inter-antenna interference;
No. 8 antennas (1018) are made up of microstrip line (10181) and symmetrical dipole (10182); Microstrip line (10181) is the transmission system be made up of dielectric substrate (101813) and the metallic conductor band (101811) be deposited on dielectric substrate (101813) and ground plate (181812), is dielectric substrate (101813) between conductor belt (101811) and ground plate (101812); The position of No. 8 antennas (1018) is in the left side, middle part of antenna plate (101), be positioned between No. 2 antennas (1012) and 3 ~ No. 6 antennas, the left side of No. 7 antennas (1017), distance antenna plate (101) left margin 5 ~ 8 centimetres, 4 ~ 7 centimetres, distance No. 2 antenna lower edges, 10 ~ 15 centimetres, distance No. 5 antennas; No. 8 antenna (1018) employings install the symmetrical dipole (10182) of converter additional as antenna radiator, and converter uses microstrip transmission line form.
2. aviation navigation signals comprehensive simulation device combined antenna as claimed in claim 1, wherein
The quarter spaces wavelength of No. 1 antenna (1011) is 1000mm;
The quarter spaces wavelength of No. 2 antennas (1012) is 694mm;
The quarter spaces wave-length coverage 369 ~ 915mm of 3 ~ No. 6 antennas (1013 ~ 1016);
The free space half-wavelength of No. 7 antennas (1017) is roughly 138mm;
The centre frequency of No. 8 antennas (1018) is 5.06GHz, and free space half-wavelength is 29.6mm.
3. aviation navigation signals comprehensive simulation device combined antenna as claimed in claim 1 or 2, wherein each antenna oscillator adopts and applies copper photoetching making; Astronomical cycle box body (102) aluminium alloy material, overall processing is shaping; Radome (103) is expoxy glass cloth material.
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CN201520155411.8U CN204464481U (en) | 2015-03-12 | 2015-03-12 | A kind of combined antenna for aviation navigation signals comprehensive simulation device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108037517A (en) * | 2017-11-30 | 2018-05-15 | 成都天奥测控技术有限公司 | A kind of handheld navigation overall checkout equipment |
CN115732890A (en) * | 2022-11-07 | 2023-03-03 | 北京自动化控制设备研究所 | Integrated method for multifunctional antenna and structure of microminiature combined navigation system |
-
2015
- 2015-03-12 CN CN201520155411.8U patent/CN204464481U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108037517A (en) * | 2017-11-30 | 2018-05-15 | 成都天奥测控技术有限公司 | A kind of handheld navigation overall checkout equipment |
CN115732890A (en) * | 2022-11-07 | 2023-03-03 | 北京自动化控制设备研究所 | Integrated method for multifunctional antenna and structure of microminiature combined navigation system |
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Granted publication date: 20150708 Termination date: 20160312 |
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