CN207720097U - A kind of double low frequencies inhale the antenna filter structure of wave height frequency wave transparent - Google Patents
A kind of double low frequencies inhale the antenna filter structure of wave height frequency wave transparent Download PDFInfo
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- CN207720097U CN207720097U CN201820442495.7U CN201820442495U CN207720097U CN 207720097 U CN207720097 U CN 207720097U CN 201820442495 U CN201820442495 U CN 201820442495U CN 207720097 U CN207720097 U CN 207720097U
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Abstract
The utility model discloses the antenna filter structures that a kind of double low frequencies inhale wave height frequency wave transparent, including first medium substrate and second medium substrate symmetrical and set；First medium substrate outer surface is equipped with the first becket, and the second becket is equipped in the first becket, sets that there are four sheet metals in the second becket；Second medium substrate outer surface is equipped with the first, second, and third LC antiresonant circuits, the first, second, and third LC antiresonant circuits are from left to right sequentially connected in series into a concatenated LC antiresonant circuit, concatenated LC antiresonant circuits both ends respectively one resistance of series connection and then form RLC and inhale wave circuit, and 4 RLC inhale wave circuits and are connected in series a closed circuit.The utility model has the beneficial effects that solving the problems, such as existing in the prior art to cannot achieve that low suction high pass characteristic, pass band width is narrow, cannot achieve low frequency two-band microwave absorbing property.
Description
Technical field
The utility model is related to radar communication field, the antenna that wave height frequency wave transparent is inhaled more particularly to a kind of double low frequencies filters
Structure.
Background technology
Antenna house generally use prefect dielectric sandwich material designs, and has high wave transparent performance in radar working band, does not have
Stealth Fighter.With the fast development of various countries' military technology, there is the head that frequency selects the antenna house of characteristic to have become various countries tip equipment
Choosing, it has high wave transparent performance in working band, has high cutoff performance, the electricity that will be incident in target outside working band
Magnetic wave be reflected into other directions, it can be achieved that monostatic radar Stealth Fighter, to bistatic radar or more base station radar netting systems
In vain.Minority takes into account suction wave at present and the frequency of wave transparent characteristic selects structure, it can be achieved that in low frequency there is high wave transparent performance to have in high frequency
There is high absorbing property, but pass band width is often relatively narrow, and is not suitable for the radar system of high-frequency communication.
Utility model content
In view of the above technical problems, the utility model provides a kind of antenna filter structure of double low frequency suction wave height frequency wave transparents,
To solve existing in the prior art to cannot achieve low suction high pass characteristic；Pass band width is narrow；It cannot achieve low frequency two-band and inhale wave
Characteristic.
A kind of double low frequencies inhale the antenna filter structure of wave height frequency wave transparent, including the symmetrically first medium substrate set and second
Dielectric substrate；First medium substrate outer surface is equipped with the first becket, and the second becket is equipped in first becket,
Sheet metal there are four being set in second becket；Second medium substrate outer surface be equipped with the first LC antiresonant circuits,
2nd LC antiresonant circuits and the 3rd LC antiresonant circuits, the first LC antiresonant circuits, the 2nd LC are in parallel
Resonance circuit and the 3rd LC antiresonant circuits are from left to right sequentially connected in series into one article of concatenated LC antiresonant circuit,
Respectively one resistance of series connection and then formation RLC inhale wave circuit at the concatenated LC antiresonant circuits both ends, and 4 RLC inhale wave
Circuit is connected in series a closed circuit.
Further：It is attached by foamed material between the first medium substrate and the second medium substrate.
Further：The first medium substrate and the second medium substrate are FR-4 planks.
Further：First becket and second becket are rectangle；Four sheet metals are square
Shape.
Further：The closed circuit is formed by connecting by metal band-shaped line.
Compared with prior art, the utility model has the beneficial effects that：Solve existing in the prior art cannot achieve
Low suction high pass characteristic, pass band width is narrow, cannot achieve the problem of low frequency two-band microwave absorbing property；And the utility model is two-sided
Using symmetric design, there is non-polarized characteristic, to the frequency response all having the same of the TE/TM waves of vertical incidence.
Description of the drawings
Fig. 1 is that a kind of double low frequencies that the utility model specific embodiment provides inhale the antenna filter structure of wave height frequency wave transparent
Rearview.
Fig. 2 is that a kind of double low frequencies that the utility model specific embodiment provides inhale the antenna filter structure of wave height frequency wave transparent
Front view.
Fig. 3 is that a kind of double low frequencies that the utility model specific embodiment provides inhale the antenna filter structure of wave height frequency wave transparent
Side view.
Fig. 4 is in the antenna filter structure that a kind of double low frequencies that the utility model specific embodiment provides inhale wave height frequency wave transparent
The concatenated LC antiresonant circuits schematic diagram.
Fig. 5 is in the antenna filter structure that a kind of double low frequencies that the utility model specific embodiment provides inhale wave height frequency wave transparent
The RLC inhales wave circuit schematic diagram.
Fig. 6 is in the antenna filter structure that a kind of double low frequencies that the utility model specific embodiment provides inhale wave height frequency wave transparent
The rearview when closed circuit is formed by connecting by metal band-shaped line.
It is numbered in figure：1, first medium substrate, 2, second medium substrate, 3, foamed material, the 4, first becket, 5, second
Becket, 6, sheet metal, the 7, the first LC antiresonant circuits, the 8, the 2nd LC antiresonant circuits, the 9, the 3rd LC parallel resonance electricity
Road, 10, resistance, 11, first medium substrate outer surface, 12, second medium substrate outer surface, 13, metal band-shaped line.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1,2 and 3, a kind of double low frequencies inhale the antenna filter structure of wave height frequency wave transparent, including first medium substrate 1
With second medium substrate 2, first medium substrate 1 and second medium substrate 2 are set and symmetrically opposite to each other, first medium substrate 1
FR-4 planks may be used with second medium substrate 2, foam material can be filled between first medium substrate 1 and second medium substrate 2
Material 3 carries out physical connection；1 outer surface 11 of first medium substrate is equipped with the first becket 4, and the second gold medal is equipped in the first becket 4
Belong to ring 5, is set in the second becket 5 there are four sheet metal 6, sheet metal 6 may be designed to rectangle；2 outer surface 12 of second medium substrate
Equipped with the first LC antiresonant circuits 7, the 2nd LC antiresonant circuits 8 and the 3rd LC antiresonant circuits 9, the first LC parallel connections are humorous
Circuit 7, the 2nd LC antiresonant circuits 8 and the 3rd LC antiresonant circuits 9 of shaking from left to right are sequentially connected in series into one article and connect
LC antiresonant circuits (as shown in Fig. 4 and 1), concatenated LC antiresonant circuits both ends respectively one resistance 10 of series connection and then shape
Wave circuit (as shown in Fig. 5 and 1) is inhaled at RLC, 4 RLC inhale wave circuit and are sequentially connected in series and connect from beginning to end and then form a closure
Circuit (as shown in Figure 1).Entire closed circuit (as shown in Figure 6) can be connected with metal band-shaped line, it is more convenient so entirely to close
Close deployment of the circuit on 2 outer surface 12 of second medium substrate.
The utility model specific embodiment principle：The structure of the utility model specific embodiment be two layers of FR-4 plank (i.e.
First medium substrate 1 and second medium substrate 2) and one layer of foamed material 3, cellular construction shape be rectangle, in one layer of FR4 plate
It covers there are two rectangular metal ring (i.e. the first becket 4 and the second becket 5) and 4 squares on material (i.e. first medium substrate 1) surface
Shape sheet metal 6, the structure can form wider pass band width and generate two transmission zeros in low-frequency range simultaneously；In another layer
There are concatenated LC antiresonant circuits on FR4 planks (i.e. second medium substrate 2) surface, and RLC is formed with the concatenated resistance 10 in both ends
Inhale wave circuit.Its three LC antiresonant circuit being together in series generates three resonance points so that the structure realizes ultra wide band band
Logical characteristic, simultaneously because the presence of resistance R (i.e. resistance 10), forms at three frequencies inhale wavestrip respectively.To realize height
The broad passband of frequency range and the double suction waveband characteristics of low-frequency range.
The utility model generates more suction wavestrips using multiple LC antiresonant circuits (shown in Fig. 4 and 1), while utilizing multiple
Becket (4,5) structure generates multiple rejection zones in corresponding frequency range, realizes low-frequency range biabsorption band characteristic；Two dielectric substrates
(i.e. first medium substrate 1 and second medium substrate 2) uses symmetric design, all having the same to the TE/TM waves of vertical incidence
Frequency response, to realize non-polarized characteristic.
The utility model embodiment is one kind in the preferred embodiment of the utility model.Although there has been shown and described that
The embodiments of the present invention, for the ordinary skill in the art, it is possible to understand that do not departing from the utility model
Principle and spirit in the case of can carry out a variety of change, modification, replacement and modification to these embodiments, the utility model
Range is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of double low frequencies inhale the antenna filter structure of wave height frequency wave transparent, it is characterised in that：The first medium set including symmetrical
Substrate and second medium substrate；First medium substrate outer surface is equipped with the first becket, is equipped in first becket
Second becket, sets that there are four sheet metals in second becket；Second medium substrate outer surface is equipped with the first LC simultaneously
Join resonance circuit, the 2nd LC antiresonant circuits and the 3rd LC antiresonant circuits, it is the first LC antiresonant circuits, described
2nd LC antiresonant circuits and the 3rd LC antiresonant circuits are from left to right sequentially connected in series into one article of concatenated LC simultaneously
Connection resonance circuit, each one resistance of series connection in the concatenated LC antiresonant circuits both ends and then formation RLC suction wave circuits, 4
The RLC inhales wave circuit and is connected in series a closed circuit.
2. a kind of double low frequencies according to claim 1 inhale the antenna filter structure of wave height frequency wave transparent, it is characterised in that：It is described
It is attached by foamed material between first medium substrate and the second medium substrate.
3. a kind of double low frequencies according to claim 1 inhale the antenna filter structure of wave height frequency wave transparent, it is characterised in that：It is described
First medium substrate and the second medium substrate are FR-4 planks.
4. a kind of double low frequencies according to claim 1 inhale the antenna filter structure of wave height frequency wave transparent, it is characterised in that：It is described
First becket and second becket are rectangle；Four sheet metals are rectangle.
5. a kind of double low frequencies according to claim 1 inhale the antenna filter structure of wave height frequency wave transparent, it is characterised in that：It is described
Closed circuit is formed by connecting by metal band-shaped line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820442495.7U CN207720097U (en) | 2018-03-30 | 2018-03-30 | A kind of double low frequencies inhale the antenna filter structure of wave height frequency wave transparent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820442495.7U CN207720097U (en) | 2018-03-30 | 2018-03-30 | A kind of double low frequencies inhale the antenna filter structure of wave height frequency wave transparent |
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| CN207720097U true CN207720097U (en) | 2018-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380228A (en) * | 2019-07-23 | 2019-10-25 | 中国科学技术大学 | A kind of wave absorbing device part based on reflectionless filter principle |
-
2018
- 2018-03-30 CN CN201820442495.7U patent/CN207720097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380228A (en) * | 2019-07-23 | 2019-10-25 | 中国科学技术大学 | A kind of wave absorbing device part based on reflectionless filter principle |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211231 Address after: 430000 room 02, 4 / F, building A3, Wuhan International Enterprise Center, No. 1, Guanshan Second Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: WUHAN HUAXUN GUORONG TECHNOLOGY CO.,LTD. Address before: 518000 8a, zone a, zhongkonaneng building, No. 6, Yuexing 6th Road, Science Park, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: SHENZHEN HUAXUN FANGZHOU RADAR TECHNOLOGY EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220701 Address after: 518000 404, building 37, chentian Industrial Zone, chentian community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huaxun ark Photoelectric Technology Co.,Ltd. Address before: 430000 room 02, 4 / F, building A3, Wuhan International Enterprise Center, No. 1, Guanshan Second Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee before: WUHAN HUAXUN GUORONG TECHNOLOGY CO.,LTD. |