CN204760534U - Wide angle scanning antenna module - Google Patents
Wide angle scanning antenna module Download PDFInfo
- Publication number
- CN204760534U CN204760534U CN201520459541.0U CN201520459541U CN204760534U CN 204760534 U CN204760534 U CN 204760534U CN 201520459541 U CN201520459541 U CN 201520459541U CN 204760534 U CN204760534 U CN 204760534U
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- dielectric substrate
- paster antenna
- feed
- minor matters
- antenna
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Abstract
The utility model discloses a wide angle scanning antenna module, including the antenna cavity, the lower inner wall of antenna cavity is provided with lower floor's dielectric substrate, the last inner wall of antenna cavity is provided with upper dielectric substrate, the upper strata dielectric substrate is provided with the out -of -the -way chamber cross microstrip paster antenna of buckling towards the one side of lower floor's dielectric substrate, buckle cross microstrip paster antenna and include the public board of microstrip of rectangle in back of the body chamber, all extend on four limits of the public board of microstrip has paster antenna minor matters, 4 after all buckling, individual paster antenna minor matters are connected with upper dielectric substrate, the public board of microstrip keeps the clearance with upper dielectric substrate, lower floor's dielectric substrate still is provided with feed merit subnetwork, and feed merit subnetwork includes that 2 outgoing line, 2 outgoing line are connected with two adjacent paster antenna minor matters through wire A and wire B respectively.
Description
Technical field
The utility model relates to scanning antenna, specifically large-angle scanning Anneta module.
Background technology
Phased array antenna is when beam scanning, even if unit no-raster mismatch loss, due to the impact of unit lobe in battle array, antenna gain also can be caused in different scanning angle to there is certain decline, and in battle array, unit lobe is narrower, and gain declines more obvious.Therefore, for the phased array antenna requiring large-angle scanning, all wish unit lobe in the battle array of as far as possible broadening antenna, to meet the index request of antenna gain under high scan angles.Therefore to study and how solve large-angle scanning gain decline problem.
Utility model content
The purpose of this utility model is to provide a kind of large-angle scanning Anneta module, can achieve the broad beam of antenna.
The purpose of this utility model is achieved through the following technical solutions: large-angle scanning Anneta module, comprise antenna chamber, the lower inwall of antenna chamber is provided with layer dielectric substrate, the upper inwall of antenna chamber is provided with top dielectric substrate, top dielectric substrate face is provided with back of the body chamber bending right-angled intersection micro-strip paster antenna to the one side of lower floor's dielectric substrate, back of the body chamber bending right-angled intersection micro-strip paster antenna comprises micro-band common board of rectangle, four limits of micro-band common board are all extended with paster antenna minor matters, 4 paster antenna minor matters are connected with top dielectric substrate after all carrying out bending, micro-band common board and top dielectric substrate keep gap, layer dielectric substrate is also provided with feed power division network, and feed power division network comprises 2 outlet lines, and 2 outlet lines are connected respectively by the paster antenna minor matters that wire A and wire B are adjacent with two.
The principle of said structure is: by microband paste is bent, reduce the size of right-angled intersection microband paste, thus achieve the broad beam of antenna, and traditional structure is directly arranged on top dielectric substrate by right-angled intersection microband paste, the utility model is installed on top dielectric substrate again after four of right-angled intersection microband paste paster antenna minor matters being bent, and the right-angled intersection microband paste after bending becomes back of the body chamber bending right-angled intersection micro-strip paster antenna, in order to realize the impedance variation that circular polarization and solution size reduce to bring, therefore, the utility model is also provided with feed power division network.
Preferably, described feed power division network comprises one-to-two power division network and 90 ° of phase shifters, one-to-two power division network comprises 2 feed arms, 2 feed arms are connected on a signal input part simultaneously, wherein, 1 feed arm is directly connected with paster antenna minor matters by wire A, is connected after another 1 feed arm is connected with 90 ° of phase shifters by wire B with paster antenna minor matters.Feed power division network postpones two paster antenna minor matters feed respectively by one-to-two power division network and 90 ° of phase shifters, realize circular polarization, simultaneously, the impedance variation adopting the mode of electric capacity feed to overcome antenna size to reduce to bring, makes antenna all reach good impedance matching in whole working band.
Preferably, described 90 ° of phase shifters are the conducting copper belt of a U-shaped, and one end of 90 ° of phase shifters is connected with the feed arm of one-to-two power division network, and one end of 90 ° of phase shifters is connected with wire B.Through research, the utility model adopts the conducting copper belt of U-shaped as 90 ° of phase shifters, can reach reduced size, and its Phasing is best simultaneously, can make the circular polarization best results of whole antenna element.
Preferably, described signal input part is connected with SMP type socket.
Preferably, overlook on direction, the projection of paster antenna minor matters does not overlap with the projection of micro-band common board.
Preferably, paster antenna minor matters first after top dielectric substrate direction bending 90 degree, bend 90 degree again to the direction away from micro-band common board.
The back of the body chamber bending right-angled intersection micro-strip paster antenna formed after adopting above-mentioned bending mode, can ensure to obtain less size, can also reach wider broad beam.
Wire A and wire B are connected by the paster antenna minor matters that electric capacity feed structure is adjacent with two.
Micro-strip resistance is provided with between 2 feed arms of one-to-two power division network.
Signal enters the one-to-two power division network of antenna after being connected with the SMP type socket of antenna element by radio frequency cable, input signal constant amplitude homophase exports by one-to-two power division network, the direct feed antenna of one road input signal, another road input signal feed antenna after 90 ° of phase shifters, thus form two orthogonal electric fields at Antenna aperture, this electric field amplitude is equal, phase 90 °, forms circular polarization electromagnetic wave in space.
The utility model has the advantage of: back of the body chamber bending right-angled intersection micro-strip paster antenna size is little, the broad beam of antenna can be realized, the parameter of this structure has: the gain of isolated antenna element is about 6.1dB, in battle array, the gain of element antenna is about 4.2dB, and the beamwidth of isolated antenna element is about 99 °; In battle array, antenna element beamwidth is about 91 °, and the radiofrequency signal of input can be made to be transformed into the electromagnetic wave of circular polarization toward space radiation, and the beamwidth of radiation wider (reaching 93 °); All 3 are less than at the Circular polarization ratio of beam area internal antenna.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is schematic top plan view of the present utility model.
Fig. 3 is the schematic diagram of back of the body chamber bending right-angled intersection micro-strip paster antenna.
Reference numeral in figure is expressed as: 1, antenna chamber; 2, top dielectric substrate; 3, layer dielectric substrate; 4, chamber bending right-angled intersection micro-strip paster antenna is carried on the back; 5, wire A; 6, wire B; 7, SMP type socket; 8, one-to-two power division network; 9,90 ° of phase shifters; 41, paster antenna minor matters; 42, micro-band common board.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 shows.
Large-angle scanning Anneta module, comprise antenna chamber 1, the lower inwall of antenna chamber is provided with layer dielectric substrate 3, the upper inwall of antenna chamber is provided with top dielectric substrate 2, top dielectric substrate face is provided with back of the body chamber bending right-angled intersection micro-strip paster antenna 4 to the one side of lower floor's dielectric substrate 3, back of the body chamber bending right-angled intersection micro-strip paster antenna comprises micro-band common board 42 of rectangle, four limits of micro-band common board 42 are all extended with paster antenna minor matters 41, 4 paster antenna minor matters 41 are connected with top dielectric substrate after all carrying out bending, micro-band common board 42 keeps gap with top dielectric substrate, layer dielectric substrate 3 is also provided with feed power division network, and feed power division network comprises 2 outlet lines, and 2 outlet lines are connected respectively by the paster antenna minor matters 41 that wire A5 and wire B6 are adjacent with two.
The principle of said structure is: by microband paste is bent, reduce the size of right-angled intersection microband paste, thus achieve the broad beam of antenna, and traditional structure is directly arranged on top dielectric substrate by right-angled intersection microband paste, the utility model is installed on top dielectric substrate again after four of right-angled intersection microband paste paster antenna minor matters 41 being bent, and the right-angled intersection microband paste after bending becomes back of the body chamber bending right-angled intersection micro-strip paster antenna 4, in order to realize the impedance variation that circular polarization and solution size reduce to bring, therefore, the utility model is also provided with feed power division network.
embodiment 2:
As shown in Figure 1, Figure 2, Figure 3 shows.
On the basis of embodiment 1, preferably, described feed power division network comprises one-to-two power division network 8 and 90 ° of phase shifters 9, one-to-two power division network 8 comprises 2 feed arms, 2 feed arms are connected on a signal input part simultaneously, wherein, 1 feed arm is directly connected with paster antenna minor matters 41 by wire A5, is connected after another 1 feed arm is connected with 90 ° of phase shifters 9 by wire B6 with paster antenna minor matters 41.Feed power division network postpones two paster antenna minor matters 41 feed respectively by one-to-two power division network and 90 ° of phase shifters 9, realize circular polarization, simultaneously, the impedance variation adopting the mode of electric capacity feed to overcome antenna size to reduce to bring, makes antenna all reach good impedance matching in whole working band.Signal enters the one-to-two power division network of antenna after being connected with the SMP type socket of antenna element by radio frequency cable, input signal constant amplitude homophase exports by one-to-two power division network, the direct feed antenna of one road input signal, another road input signal feed antenna after 90 ° of phase shifters, thus form two orthogonal electric fields at Antenna aperture, this electric field amplitude is equal, phase 90 °, forms circular polarization electromagnetic wave in space.
embodiment 3:
As shown in Figure 1, Figure 2, Figure 3 shows.
On the basis of embodiment 2, preferably, described 90 ° of phase shifters 9 are the conducting copper belt of a U-shaped, and one end of 90 ° of phase shifters 9 is connected with the feed arm of one-to-two power division network 8, and one end of 90 ° of phase shifters 9 is connected with wire B.Through research, the utility model adopts the conducting copper belt of U-shaped as 90 ° of phase shifters 9, can reach reduced size, and its Phasing is best simultaneously, can make the circular polarization best results of whole antenna element.
embodiment 4:
As shown in Figure 1, Figure 2, Figure 3 shows.
On the basis of embodiment 2, preferably, described signal input part is connected with SMP type socket 7.
embodiment 5:
As shown in Figure 1, Figure 2, Figure 3 shows.
On the basis of embodiment 1, preferably, overlook on direction, the projection of paster antenna minor matters 41 does not overlap with the projection of micro-band common board 42.Preferably, paster antenna minor matters 41 first after top dielectric substrate direction bending 90 degree, bend 90 degree again to the direction away from micro-band common board 42.The back of the body chamber bending right-angled intersection micro-strip paster antenna 4 formed after adopting above-mentioned bending mode, can ensure to obtain less size, can also reach wider broad beam.
embodiment 6:
As shown in Figure 1, Figure 2, Figure 3 shows.
On the basis of embodiment 1, preferably, wire A5 and wire B6 are connected by the paster antenna minor matters 41 that electric capacity feed structure 10 is adjacent with two.
embodiment 7:
As shown in Figure 1, Figure 2, Figure 3 shows.
On the basis of embodiment 2, preferably, micro-strip resistance 11 is provided with between 2 feed arms of one-to-two power division network 8.
As mentioned above, then well the utility model can be realized.
Claims (8)
1. large-angle scanning Anneta module, comprise antenna chamber (1), the lower inwall of antenna chamber is provided with layer dielectric substrate (3), the upper inwall of antenna chamber is provided with top dielectric substrate (2), it is characterized in that: top dielectric substrate face is provided with back of the body chamber bending right-angled intersection micro-strip paster antenna (4) to the one side of lower floor's dielectric substrate (3), back of the body chamber bending right-angled intersection micro-strip paster antenna comprises micro-band common board (42) of rectangle, four limits of micro-band common board (42) are all extended with paster antenna minor matters (41), 4 paster antenna minor matters (41) are connected with top dielectric substrate after all carrying out bending, micro-band common board (42) and top dielectric substrate keep gap, layer dielectric substrate (3) is also provided with feed power division network, and feed power division network comprises 2 outlet lines, and 2 outlet lines are respectively by wire A(5) with wire B(6) the paster antenna minor matters (41) adjacent with two are connected.
2. large-angle scanning Anneta module according to claim 1, it is characterized in that: described feed power division network comprises one-to-two power division network (8) and 90 ° of phase shifters (9), one-to-two power division network (8) comprises 2 feed arms, 2 feed arms are connected on a signal input part simultaneously, wherein, 1 feed arm is directly by wire A(5) be connected with paster antenna minor matters (41), by wire B(6 after another 1 feed arm is connected with 90 ° of phase shifters (9)) be connected with paster antenna minor matters (41).
3. large-angle scanning Anneta module according to claim 2, it is characterized in that: described 90 ° of phase shifters (9) are the conducting copper belt of a U-shaped, one end of 90 ° of phase shifters (9) is connected with the feed arm of one-to-two power division network (8), and one end of 90 ° of phase shifters (9) is connected with wire B.
4. large-angle scanning Anneta module according to claim 2, is characterized in that: described signal input part is connected with SMP type socket (7).
5. according to the large-angle scanning Anneta module in claim 1-4 described in any one, it is characterized in that: overlook on direction, the projection of paster antenna minor matters (41) does not overlap with the projection of micro-band common board (42).
6. according to the large-angle scanning Anneta module in claim 1-4 described in any one, it is characterized in that: paster antenna minor matters (41) first after top dielectric substrate direction bending 90 degree, bend 90 degree again to the direction away from micro-band common board (42).
7. according to the large-angle scanning Anneta module in claim 1-4 described in any one, it is characterized in that: wire A(5) with wire B(6) the paster antenna minor matters (41) of all passing through electric capacity feed structure (10) adjacent with two are connected.
8. according to the large-angle scanning Anneta module in claim 2-4 described in any one, it is characterized in that: between 2 feed arms of one-to-two power division network (8), be provided with micro-strip resistance (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459541.0U CN204760534U (en) | 2015-07-01 | 2015-07-01 | Wide angle scanning antenna module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520459541.0U CN204760534U (en) | 2015-07-01 | 2015-07-01 | Wide angle scanning antenna module |
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| Publication Number | Publication Date |
|---|---|
| CN204760534U true CN204760534U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520459541.0U Expired - Fee Related CN204760534U (en) | 2015-07-01 | 2015-07-01 | Wide angle scanning antenna module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221743A (en) * | 2016-03-21 | 2017-09-29 | 中国工程物理研究院电子工程研究所 | A kind of phased array element of broadband and wideangle circular polarisation |
-
2015
- 2015-07-01 CN CN201520459541.0U patent/CN204760534U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221743A (en) * | 2016-03-21 | 2017-09-29 | 中国工程物理研究院电子工程研究所 | A kind of phased array element of broadband and wideangle circular polarisation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160701 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |