CN203300804U - Low-profile broad-beam rocket-borne or missile-borne antenna - Google Patents
Low-profile broad-beam rocket-borne or missile-borne antenna Download PDFInfo
- Publication number
- CN203300804U CN203300804U CN201320166071XU CN201320166071U CN203300804U CN 203300804 U CN203300804 U CN 203300804U CN 201320166071X U CN201320166071X U CN 201320166071XU CN 201320166071 U CN201320166071 U CN 201320166071U CN 203300804 U CN203300804 U CN 203300804U
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- Prior art keywords
- missile
- slab
- dielectric
- oscillator
- broad beam
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Abstract
The utility model discloses a low-profile broad-beam rocket-borne or missile-borne antenna. The antenna comprises a base plate, and an oscillator, a radiation paster, a dielectric block, a covering block, a reflection board and a TNC coaxial connector which are placed on the base plate, wherein the oscillator is built in the dielectric block and is welded with the radiation paster; the covering block is placed above the dielectric block; the reflection board is positioned on the left side of the dielectric block; the oscillator is connected with an inner conductor of the TNC coaxial connector; and an outer conductor of the TNC coaxial connector is fixed onto the base plate through a fastening screw. Since the TNC coaxial connector, serving as a feeder connector, is connected with an external power supply port, the low-profile broad-beam rocket-borne or missile-borne antenna is enabled to work, and aims of a low profile and a broad beam are fulfilled.
Description
Technical field
The utility model relates to missile-borne or arrow carries the communication antenna field, relates in particular to a kind of low section broad beam arrow and carries or Missile-borne Antenna and application thereof.
Background technology
Existing arrow carries or the general antenna form that adopts of missile-borne communication antenna mainly contains element antenna or two kinds of forms of microstrip antenna, wherein, microstrip antenna is because of impedance bandwidth narrower (relative bandwidth＜5%), and the more difficult realization of broad beam, and its application is restricted.Element antenna is because of four/wavelength or the two/wavelength of need resonance in operating frequency, larger because of size when the application of low-frequency range, can't realize low section, and the gain of the directional diagram of element antenna in some angular range there will be apparent in view decline, the use thereby impact is communicated by letter.
The utility model content
In order to overcome the defect of prior art, the utility model aims to provide a kind of simple in structure, and cost is low, and makes simply, can guarantee that the low section broad beam arrow of the installation accuracy of reflector profile carries or Missile-borne Antenna and application thereof.
To achieve these goals, the utility model provides a kind of low section broad beam arrow to carry or Missile-borne Antenna and application thereof, comprises base plate and is positioned over oscillator, radiation patch, medium block, coverage block, reflecting plate and TNC coaxial fitting on described base plate; Wherein, described oscillator is built in described medium block and with described radiation patch and welds, the overlapping top that is positioned over described medium block of described coverage block, described reflecting plate is positioned at the left side of described dielectric-slab, and the inner wire of described TNC coaxial fitting passes described base plate and described oscillator interconnects, and the outer conductor of described TNC coaxial fitting is fixed on described base plate by a trip bolt.Realize that by arranging of each parts arrow carries or the purpose of the low section of Missile-borne Antenna and broad beam.
Preferably, described oscillator is metal cylinder, and the radius of described oscillator is r=(0.031 ± 0.009) λ
0, the height of described oscillator is h1=(0.114 ± 0.018) and λ
0, and the distance of the shorter side of the described metal cylinder described dielectric-slab of distance is Ls=(0.108 ± 0.018) λ
0, wherein, λ
0For described low section broad beam arrow carry or Missile-borne Antenna in wavelength corresponding to working frequency points.
Preferably, described dielectric-slab is the tetrafluoroethene rectangular slab, and described dielectric-slab is of a size of a * b, and the length of wherein said dielectric-slab is a=(0.875 ± 0.087) λ
0, the width of described dielectric-slab is b=(0.315 ± 0.035) and λ
0, and the height of described dielectric-slab is h1=(0.114 ± 0.017) λ
0, the dielectric constant of described dielectric-slab is ε
r=2-2.5.
Preferably, described oscillator and the welding of described radiation patch, described radiation patch is metal rectangular plate, described radiation patch is of a size of a1 * b1, the length of wherein said radiation patch is a1=(0.171 ± 0.017) λ
0, the width of described radiation patch is b1=(0.035 ± 0.009) and λ
0
Preferably, the overlapping top that is placed on described medium block of described coverage block, described coverage block is the polytetrafluoroethylene rectangular block, and the length of described coverage block, width and dielectric constant are identical with length, width and the dielectric constant of described medium block, and the height of described coverage block is h2=(0.087 ± 0.017) λ
0
Preferably, described reflecting plate is positioned on the base plate of the shorter side of the described oscillator described dielectric-slab of distance, and described reflecting plate is metallic plate, and described reflecting plate is L-shaped, and the width of described reflecting plate is b2=(0.280 ± 0.035) λ
0, the height of described reflecting plate is h3=(0.122 ± 0.017) and λ
0, and the distance of the described reflecting plate described dielectric-slab of distance and described coverage block one side is L
t=(0.297 ± 0.035) λ
0
Preferably, described base plate is metal rectangular plate, and described rectangular slab is of a size of W * L, and the width of wherein said base plate is W=(1.260 ± 0.175) λ
0, the length of described base plate is L=(2.327 ± 0.262) and λ
0, λ
0For described low section broad beam arrow carry or Missile-borne Antenna in the wavelength of the signal that transmits.
Preferably, described TNC coaxial fitting is fixedly connected on described base plate by a trip bolt, and described TNC coaxial fitting carries for this low section broad beam arrow or the feed port of Missile-borne Antenna, connects the external power source port.
Preferably, described λ
0For wavelength, λ
0=c/f
0, f
0Centered by the resonance frequency of frequency,
Wherein, f
hFor maximum operating frequency, f
lFor lowest operating frequency, and impedance bandwidth is relatively
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model, by adopting oscillator to be built in the tetrafluoroethene medium block, has reduced the resonance frequency of oscillator, thereby reduced its longitudinal size, realizes that antenna hangs down section.
2, the utility model employing rectangular radiation patch is welded on oscillator and descends in the gain of some angle to make up oscillator, thereby realizes the broad beam purpose of antenna.
Description of drawings
Fig. 1 is that the low section broad beam arrow of the utility model carries or Missile-borne Antenna structural profile end view;
Fig. 2 is that the low section broad beam arrow of the utility model carries or Missile-borne Antenna structural profile vertical view;
Fig. 3 is that the low section broad beam arrow of the utility model carries or Missile-borne Antenna emulation standing-wave ratio curve;
Fig. 4 be the low section broad beam arrow of the utility model carry or Missile-borne Antenna at the E of f=5.2GHz face and H face directional diagram.
The symbol list:
The 1-oscillator, 2-radiation patch, 3-medium block, 4-coverage block, 5-reflecting plate, 6-base plate, 7-TNC coaxial fitting.
Embodiment:
, referring to the accompanying drawing that the utility model embodiment is shown, hereinafter will describe in more detail the utility model.Yet the utility model can be with realizations such as multi-form, specifications, and should not be construed as the restriction of the embodiment that is subjected in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes more relevant those skilled in the art person understand scope of the present utility model fully.In these accompanying drawings,, for clearly visible, may zoom in or out relative size.
Referring now to Fig. 1 detailed description carries or Missile-borne Antenna according to the low section broad beam arrow of the utility model enforcement, as shown in Figure 1, the low section broad beam arrow that the utility model provides carries or Missile-borne Antenna, comprises base plate 6 and is placed on oscillator 1, radiation patch 2, medium block 3, coverage block 4, reflecting plate 5 and TNC coaxial fitting 7 on described base plate 6; Wherein, oscillator 1 is built in medium block 3, and an end of oscillator 1 and radiation patch 2 welding, and an end is connected with the inner wire of the TNC coaxial fitting 7 that passes base plate 6; The top of medium block 3 is provided with and the essentially identical coverage block 4 of the size of medium block 3, and reflecting plate 5 is positioned at the left side of dielectric-slab 3 and with dielectric-slab 3, keeps certain distance, and reflecting plate 5 is fixed on base plate 6; The outer conductor of TNC coaxial fitting 7 is fixed on base plate 6 by a trip bolt.Realize that by arranging of each parts arrow carries or the purpose of the low section of Missile-borne Antenna and broad beam.
Wherein, the resonance frequency of definition center frequency point
Wavelength X
0=c/f
0, f
hFor maximum operating frequency, f
lFor lowest operating frequency, and impedance bandwidth is relatively
Oscillator 1 is metal cylinder, and the radius of oscillator 1 is r=(0.031 ± 0.009) λ
0, be highly h1=(0.114 ± 0.018) and λ
0, and oscillator 1 is Ls=(0.108 ± 0.018 apart from the distance of the shorter side of dielectric-slab 3) λ
0Dielectric-slab 3 is the tetrafluoroethene rectangular slab, and dielectric-slab 3 is of a size of a * b, the length a=(0.875 of dielectric-slab 3 ± 0.087) λ
0, the width b=(0.315 of dielectric-slab 3 ± 0.035) and λ
0, and the height of dielectric-slab 3 is h1=(0.114 ± 0.017) λ
0, dielectric constant is ε
r=2-2.5; Radiation patch 2 is metal rectangular plate, and radiation patch 2 is of a size of a1 * b1, and the length of radiation patch 2 is a1=(0.171 ± 0.017) λ
0, the length of radiation patch 2 is b1=(0.035 ± 0.009) and λ
0Coverage block 4 is placed on the top of described medium block 3, is the polytetrafluoroethylene rectangular block, and the length of coverage block 4, width and dielectric constant are identical with length, width and the dielectric constant of medium block 3, and the height of coverage block 4 is h2=(0.087 ± 0.017) λ
0Reflecting plate 5 is positioned at oscillator 1 apart from maintaining a certain distance on the base plate 6 of the shorter side of dielectric-slab 3 and with dielectric-slab 3, and reflecting plate 5 is metallic plate, and reflecting plate 5 is L-shaped, and the width of reflecting plate 5 is b2=(0.280 ± 0.035) λ
0, be highly h3=(0.122 ± 0.017) and λ
0, and reflecting plate 5 is L apart from the distance of dielectric-slab 3
t=(0.297 ± 0.035) λ
0
And base plate 6 is metal rectangular plate, and rectangular slab is of a size of W * L, and the width of base plate 6 is W=(1.260 ± 0.175) λ
0, the length L of base plate 6=(2.327 ± 0.262) λ
0TNC coaxial fitting 7 is fixedly connected on base plate 6 by a trip bolt, and 7 conducts of TNC coaxial fitting should be hanged down, and section broad beam arrow carried or the feed port of Missile-borne Antenna.The antenna of different size is set by antenna receiving signal, thereby meets that arrow carries or the demand of the low section of Missile-borne Antenna, broad beam.
Practical example:
As Fig. 1 to Fig. 2, and with reference to figure 3 and Fig. 4, input port standing-wave ratio (VSWR, the Voltage Standing Wave Ratio) curve that accompanying drawing three is implemented, wherein, abscissa represents frequency, unit is GHz; Ordinate represents standing-wave ratio; The bandwidth of the emulation standing-wave ratio VSWR that implements in this practical example≤2 is 4.7GHz-5.8GHz.
Bandwidth and relative impedance bandwidth according to the emulation standing-wave ratio of implementing, and by 3 D electromagnetic field simulation software, be optimized, debug, thereby determine that low section broad beam arrow carries or the size of each parts of Missile-borne Antenna, wherein, the radius of the oscillator 1 of one metal cylinder is r=1.8mm ± 0.5mm, be highly h1=6.5mm ± 1mm, and oscillator 1 is Ls=6.2mm ± 1mm apart from the distance of the shorter side of dielectric-slab 3; The dielectric-slab 3 of one tetrafluoroethene rectangular slab is of a size of a * b, the length a=50mm of dielectric-slab 3 ± 5mm wherein, and width b=18mm ± 2mm, and the height h1=6.5mm ± 1mm of dielectric-slab 3, dielectric constant is ε
r=2-2.5; The radiation patch 2 of one metal rectangular plate is of a size of a1 * b1, and wherein the length of radiation patch 2 is a1=9.8mm ± 1mm, width b1=2mm ± 0.5mm; The length a=50mm of the coverage block 4 of one polytetrafluoroethylene rectangular block ± 5mm, width b=18mm ± 2mm, and DIELECTRIC CONSTANT ε
r=2-2.5, identical with length, width and the dielectric constant of medium block 3, and the height of coverage block 4 is h2=5mm ± 1mm; The reflecting plate 5 that one metallic plate supports is L-shaped, and the width of reflecting plate 5 is b2=16mm ± 2mm, is highly h3=7mm ± 1mm, and reflecting plate 5 is L apart from the distance of dielectric-slab 3 and coverage block 4
t=17mm ± 2mm; The base plate 6 of one metal rectangular plate is of a size of W * L, and wherein the width of base plate 6 is W=72mm ± 10mm, and length is L=133mm ± 10mm; And the coaxial fitting of the TNC with inner wire and outer conductor 7.
Each parts according to above-mentioned size, be built in oscillator 1 in medium block 3, and the upper end of oscillator 1 and radiation patch 2 welding, and lower end is connected with the inner wire of the TNC coaxial fitting 7 that passes base plate 6; Coverage block 4 is placed in the top of medium block 3, and coverage block 4 and medium block 3 are placed a reflecting plate 5 in the shorter left side of the built-in oscillator 1 of distance, and reflecting plate 5 is fixed on 6; The outer conductor of TNC coaxial fitting 7 is fixed on base plate 6 by a trip bolt, thereby whole device is fixed on base plate 6, forms antenna, and TNC coaxial fitting 7 connects the external power source port as feed connection, thereby realizes the transmission-receiving function of antenna.And under the emulation of frequency f=5.2GHz, as shown in Figure 4, wherein, curve 1 is the gain on H plane, and curve 2 is the gain on E plane, and can draw the relative impedance bandwidth of antenna by Fig. 4 is 20.95%, and antenna is in the scope of E plane and H plane ± 90 °, and the gain of antenna is-6.15dB-7.73dB.Thereby realize that antenna is in the low section on E plane and H plane and the purpose of broad beam.
The low section broad beam arrow that the utility model provides carries or the size of the each several part of Missile-borne Antenna determines according to wavelength and the frequency of concrete signal, is not limited in the size of the antenna that the present embodiment proposes and determines; In addition, the shape of the reflecting plate in the present embodiment is not limited in this, can also change by the size of antenna; And in the present embodiment, radiation patch makes up the gain decline of oscillator in some angle by the welding with oscillator, thereby reaches the purpose of broad beam, thereby radiation patch can also gain and descend by the size minimizing that changes its shape adaptation oscillator.
Obviously, those skilled in the art can carry out various changes and distortion and not break away from spirit and scope of the present utility model the utility model.Like this, if these modifications of the present utility model and distortion belong in the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes interior.
Claims (9)
1. one kind low section broad beam arrow carries or Missile-borne Antenna, it is characterized in that, comprises base plate and is positioned over oscillator, radiation patch, medium block, coverage block, reflecting plate and TNC coaxial fitting on described base plate; Wherein, described oscillator is built in described medium block and with described radiation patch and welds, described coverage block is positioned over the top of described medium block, described reflecting plate is positioned at the left side of described medium block, and the inner wire of described TNC coaxial fitting passes described base plate and described oscillator interconnects, and the outer conductor of described TNC coaxial fitting is fixed on described base plate by a trip bolt.
2. low section broad beam arrow according to claim 1 carries or Missile-borne Antenna, it is characterized in that, described oscillator is metal cylinder, and the radius of described oscillator is r=(0.031 ± 0.009) λ
0, the height of described oscillator is h1=(0.114 ± 0.018) and λ
0, and the distance of the shorter side of the described metal cylinder described dielectric-slab of distance is Ls=(0.108 ± 0.018) λ
0, wherein, λ
0For described low section broad beam arrow carry or Missile-borne Antenna in wavelength corresponding to working frequency points.
3. low section broad beam arrow according to claim 2 carries or Missile-borne Antenna, it is characterized in that, described dielectric-slab is the tetrafluoroethene rectangular slab, and described dielectric-slab is of a size of a * b, and wherein, the length of described dielectric-slab is a=(0.875 ± 0.087) λ
0, the width of described dielectric-slab is b=(0.315 ± 0.035) and λ
0, and the height h1=(0.114 of described dielectric-slab ± 0.017) λ
0, the dielectric constant of described dielectric-slab is ε
r=2-2.5.
4. low section broad beam arrow according to claim 2 carries or Missile-borne Antenna, it is characterized in that, described oscillator and the welding of described radiation patch, described radiation patch is metal rectangular plate, described radiation patch is of a size of a1 * b1, and the length of wherein said radiation patch is a1=(0.171 ± 0.017) λ
0, the width of described radiation patch is b1=(0.035 ± 0.009) and λ
0
5. low section broad beam arrow according to claim 3 carries or Missile-borne Antenna, it is characterized in that, the overlapping top that is placed on described medium block of described coverage block, described coverage block is the polytetrafluoroethylene rectangular block, and the length of described coverage block, width and dielectric constant are identical with length, width and the dielectric constant of described medium block, and the height of described coverage block is h2=(0.087 ± 0.017) λ
0
6. low section broad beam arrow according to claim 5 carries or Missile-borne Antenna, it is characterized in that, described reflecting plate is positioned on the base plate of the shorter side of the described oscillator described dielectric-slab of distance, described reflecting plate is metallic plate, described reflecting plate is L-shaped, and the width of described reflecting plate is b2=(0.280 ± 0.035) λ
0, the height of described reflecting plate is h3=(0.122 ± 0.017) and λ
0, and the distance of the described dielectric-slab of described reflecting plate distance is L
t=(0.297 ± 0.035) λ
0
7. low section broad beam arrow according to claim 1 carries or Missile-borne Antenna, it is characterized in that, described base plate is metal rectangular plate, and described rectangular slab is of a size of W * L, and the width of described base plate is W=(1.260 ± 0.175) λ
0, the length of described base plate is L=(2.327 ± 0.262) and λ
0, wherein, λ
0For described low section broad beam arrow carry or Missile-borne Antenna in wavelength corresponding to working frequency points.
8. low section broad beam arrow according to claim 7 carries or Missile-borne Antenna, it is characterized in that, described TNC coaxial fitting is fixedly connected on described base plate by a trip bolt, and described TNC coaxial fitting carries for this low section broad beam arrow or the feed port of Missile-borne Antenna.
9. carry or Missile-borne Antenna to the described low section broad beam arrow of arbitrary claim of claim 7 according to claim 2, it is characterized in that λ
0=c/f
0, f
0Centered by the resonance frequency of frequency,
Wherein, f
hFor maximum operating frequency, f
lFor lowest operating frequency, and impedance bandwidth is relatively
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320166071XU CN203300804U (en) | 2013-04-03 | 2013-04-03 | Low-profile broad-beam rocket-borne or missile-borne antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320166071XU CN203300804U (en) | 2013-04-03 | 2013-04-03 | Low-profile broad-beam rocket-borne or missile-borne antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300804U true CN203300804U (en) | 2013-11-20 |
Family
ID=49576790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320166071XU Expired - Lifetime CN203300804U (en) | 2013-04-03 | 2013-04-03 | Low-profile broad-beam rocket-borne or missile-borne antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706541A (en) * | 2017-07-28 | 2018-02-16 | 北京航天控制仪器研究所 | A kind of supersonic speed missile-borne combined type omnidirectional telemetering antenna |
-
2013
- 2013-04-03 CN CN201320166071XU patent/CN203300804U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706541A (en) * | 2017-07-28 | 2018-02-16 | 北京航天控制仪器研究所 | A kind of supersonic speed missile-borne combined type omnidirectional telemetering antenna |
| CN107706541B (en) * | 2017-07-28 | 2019-11-12 | 北京航天控制仪器研究所 | A kind of supersonic speed missile-borne combined type omnidirectional telemetering antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
| CX01 | Expiry of patent term |