CN206412479U - A kind of frequency navigation antenna of stacked antenna substrate and bimodulus four - Google Patents
A kind of frequency navigation antenna of stacked antenna substrate and bimodulus four Download PDFInfo
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- CN206412479U CN206412479U CN201720030911.8U CN201720030911U CN206412479U CN 206412479 U CN206412479 U CN 206412479U CN 201720030911 U CN201720030911 U CN 201720030911U CN 206412479 U CN206412479 U CN 206412479U
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- antenna substrate
- upper strata
- middle level
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- antenna
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Abstract
The utility model discloses a kind of stacked antenna substrate, including upper strata antenna substrate, middle level antenna substrate and the lower floor's antenna substrate set gradually from top to bottom, and the upper strata antenna substrate, the middle level antenna substrate and lower floor's antenna substrate are square.The invention also discloses a kind of frequency navigation antenna of bimodulus four, including feedback pin, paster and above-mentioned stacked antenna substrate, the feedback pin is sequentially passed through after upper strata through hole, middle level through hole and lower via hole, and upper strata antenna substrate, middle level antenna substrate and lower floor's antenna substrate are linked together.Stacked antenna substrate of the present utility model is used to make multiband aerial, the multiband aerial can receive four frequency band signals from the Big Dipper and GPS simultaneously, simultaneously, the antenna element high gain, pattern beam is wide, ensure the reception at the low elevation angle, signal can be still received in the occasion of some serious shieldings.
Description
Technical field
The utility model is related to navigational communications technical field, more particularly to a kind of stacked antenna substrate and bimodulus four navigate frequently
Antenna.
Background technology
In recent years, with the swift and violent growth of the development of communication technology of satellite, satellite communications services and satellite mobile communication, with
Past microwave has become crowded to capacity compared with low-frequency range, therefore begins to use Ku the wave bands even communication of Ka wave bands in satellite communication
To meet the demand of large information capacity.In terms of the field of some special applications such as mobile communication and navigational communications, it is desirable to antenna
The characteristics of with good concealment, mobility strong, and traditional antenna size is big, mobility is poor, it is conformal, easily sudden and violent with carrier to be difficult to
Reveal target etc., no longer adapt to the demand of modern satellite communications system.Modern satellite communication system is proposed more to antenna
High requirement, do not require nothing more than antenna miniaturization, it is lightweight, with good disguise and mobility, while in order to meet great Rong
Measure the demand of communication, it is desirable to which antenna has dual polarization, multifrequency and a bandwidth characteristic, and the characteristic of antenna and the close phase of dielectric substrate
Close, therefore select suitable dielectric substrate to be the basis for designing satisfactory antenna.
In order to be effectively increased the Q values of microstrip antenna, broadening working band, it is necessary to as far as possible selection dielectric constant is relatively low, thickness
The thicker dielectric substrate of degree；And for feeding network, relatively thin substrate is selected by effective spurious radiation of the reduction from feeder line, and
Can constraint effect of the amplified medium to ripple, energization coupling efficiency.Therefore, it is first according to concrete application when choosing dielectric substrate
First to consider the multiple parameters of substrate, such as dielectric constant, dielectric thickness, loss angle tangent, its secondary consideration dielectric substrate
The uniformities of a variety of properties, such as substrate thickness, substrate are with the stability of humidity and temperature change, the chemical resistance of substrate, stretching
Intensity and structural strength, pliability, impact resistance, can cohesive etc..
For at present, satellite navigation aerial is GPS and a part important in Beidou II navigation receiver system, it
Performance directly affects sensitivity and the positioning function of receiver, and existing satellite navigation aerial is generally that GPS or Beidou II single mode are led
Space flight line, it is impossible to while meeting two kinds of receiver systems of GPS or Beidou II, cause the later stage, changes inconvenient and maintenance cost
It is higher.
Therefore, it is necessary to a kind of new antenna substrate and antenna be developed, to meet the demand of modern communication technology.
Utility model content
The purpose of this utility model is the defect for overcoming existing above-mentioned prior art to exist, and proposes that one kind is applied to simultaneously
The Big Dipper and GPS navigation system, multiband stacked antenna substrate and the frequency navigation antenna of bimodulus four.
In order to solve the above-mentioned technical problem, the utility model provide a kind of stacked antenna substrate, including from top to bottom according to
Upper strata antenna substrate, middle level antenna substrate and the lower floor's antenna substrate of secondary setting, the upper strata antenna substrate, the middle level antenna
Substrate and lower floor's antenna substrate are square；The upper strata antenna substrate has upper strata through hole, the upper strata antenna base
The length of side of piece is 18 ± 0.3mm, and thickness is 4 ± 0.3mm；The middle level antenna substrate has middle level through hole, the middle level antenna
The length of side of substrate is 26 ± 0.3mm, and thickness is 3 ± 0.3mm；Lower floor's antenna substrate has lower via hole, the lower floor day
The length of side of line substrate is 68 ± 0.3mm, and thickness is 2 ± 0.3mm.
Preferably, the center of circle of the upper strata through hole is located on the perpendicular bisector of the upper strata antenna substrate, the upper strata antenna
The distance between the center of the perpendicular bisector of substrate and the center of circle of the upper strata through hole are 1.3mm.
Preferably, the center of circle of the middle level through hole is located on the perpendicular bisector of the middle level antenna substrate, the middle level antenna
The distance between the center of the perpendicular bisector of substrate and the center of circle of the middle level through hole are 1.3mm.
Preferably, the center of circle of the lower via hole is located on the perpendicular bisector of lower floor's antenna substrate, lower floor's antenna
The distance between the center of the perpendicular bisector of substrate and the center of circle of the lower via hole are 1.3mm.
Preferably, the center of circle in the center of circle of the upper strata through hole, the center of circle of the middle level through hole and the lower via hole is same
On straight line.
Further, the diameter of the diameter of the upper strata through hole, the middle level through-hole diameter and the lower via hole is
1.5±0.1mm。
Correspondingly, the invention also discloses a kind of frequency navigation antenna of bimodulus four, including feedback pin, paster and described many
The upper and lower surface of layer antenna substrate, the upper and lower surface of the upper strata antenna substrate and the middle level antenna substrate is provided with silver
Coating, the upper and lower surface of lower floor's antenna substrate is provided with copper coating；The feedback pin sequentially passes through the upper strata through hole, institute
State after middle level through hole and the lower via hole, by the upper strata antenna substrate, the middle level antenna substrate and lower floor's antenna
Substrate is linked together, and the paster is covered on the copper coating of the lower surface of lower floor's antenna substrate.
Further, it is welded at the top of the feedback pin on the silvering of the upper surface of the upper strata antenna substrate.
The frequency navigation antenna of stacked antenna substrate and bimodulus four of the present utility model, has the advantages that：
1st, stacked antenna substrate of the present utility model can be used for making multiband aerial, and the antenna covers the Big Dipper and GPS
Four frequency antennas of double satellite navigation systems, can coordinate a variety of Big Dippeves and GPS to use, and be widely used in that the Big Dipper is vehicle-mounted, ship
The fields such as load.
2nd, except the positioning function with Beidou II and GPS, the short message communication of a Big Dipper generation is also supported.
3rd, antenna element high gain of the present utility model, pattern beam is wide, it is ensured that the reception at the low elevation angle, at some
The occasion of serious shielding can still receive signal.
Brief description of the drawings
, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only more of the present utility model
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the top view of stacked antenna substrate of the present utility model；
Fig. 2 is the top view of upper strata antenna substrate of the present utility model；
Fig. 3 is the top view of middle level antenna substrate of the present utility model；
Fig. 4 is the top view of lower floor's antenna substrate of the present utility model；
Fig. 5 is the side view of the frequency navigation antenna of bimodulus four of the present utility model.
Wherein, reference is corresponded in figure：1- upper stratas antenna substrate, 101- upper stratas through hole, 2- middle levels antenna substrate,
201- middle levels through hole, 3- lower floors antenna substrate, 301- lower via holes, 4- feedback pins, 5- pasters.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on embodiment of the present utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Embodiment 1
As shown in figure 1, the utility model discloses a kind of stacked antenna substrate, including the upper strata set gradually from top to bottom
Antenna substrate 1, middle level antenna substrate 2 and lower floor's antenna substrate 3, the upper strata antenna substrate 1, the and of middle level antenna substrate 2
Lower floor's antenna substrate 3 is square, and the dielectric constant of the upper strata antenna substrate 1 is 35-45, the middle level antenna base
The dielectric constant of piece 2 is 15-25, and the dielectric constant of lower floor's antenna substrate 3 is 3-5.
As shown in Fig. 2 the upper strata antenna substrate 1 has upper strata through hole 101, the length of side of the upper strata antenna substrate 1 is
18.3mm, thickness is 4.3mm.The center of circle of the upper strata through hole 101 is located on the perpendicular bisector of the upper strata antenna substrate 1, described
The distance between the center of the perpendicular bisector of upper strata antenna substrate 1 and the center of circle of the upper strata through hole 101 are 1.3mm.
As shown in figure 3, the middle level antenna substrate 2 has middle level through hole 201, the length of side of the middle level antenna substrate 2 is
26.3mm, thickness is 3.3mm, and the center of circle of the middle level through hole 201 is located on the perpendicular bisector of the middle level antenna substrate 2, described
The distance between the center of the perpendicular bisector of middle level antenna substrate 2 and the center of circle of the middle level through hole 201 are 1.3mm.
As shown in figure 4, lower floor's antenna substrate 3 has lower via hole 301, the length of side of lower floor's antenna substrate 3 is
68.3mm, thickness is 2.3mm.The center of circle of the lower via hole 301 is located on the perpendicular bisector of lower floor's antenna substrate 3, described
The distance between the center of the perpendicular bisector of lower floor's antenna substrate 3 and the center of circle of the lower via hole 301 are 1.3mm.
Continue as Figure 1-4, the center of circle of the upper strata through hole 101, the center of circle of the middle level through hole 201 and the lower floor
The center of circle of through hole 301 is on same straight line, the upper strata through hole 101, the middle level through hole 201 and the lower via hole 301
Diameter be 1.6mm.
Embodiment 2
As shown in figure 1, the utility model discloses a kind of stacked antenna substrate, including the upper strata set gradually from top to bottom
Antenna substrate 1, middle level antenna substrate 2 and lower floor's antenna substrate 3, the upper strata antenna substrate 1, the and of middle level antenna substrate 2
Lower floor's antenna substrate 3 is square, and the dielectric constant of the upper strata antenna substrate 1 is 35-45, the middle level antenna base
The dielectric constant of piece 2 is 15-25, and the dielectric constant of lower floor's antenna substrate 3 is 3-5.
As shown in Fig. 2 the upper strata antenna substrate 1 is with the length of side of upper strata antenna substrate 1 described in upper strata through hole 101
18mm, thickness is 4mm.The center of circle of the upper strata through hole 101 is located on the perpendicular bisector of the upper strata antenna substrate 1, the upper strata
The distance between the center of the perpendicular bisector of antenna substrate 1 and the center of circle of the upper strata through hole 101 are 1.3mm.
As shown in figure 3, the middle level antenna substrate 2 has middle level through hole 201, the length of side of the middle level antenna substrate 2 is
26mm, thickness is 3mm, and the center of circle of the middle level through hole 201 is located on the perpendicular bisector of the middle level antenna substrate 2, the middle level
The distance between the center of the perpendicular bisector of antenna substrate 2 and the center of circle of the middle level through hole 201 are 1.3mm.
As shown in figure 4, lower floor's antenna substrate 3 has lower via hole 301, the length of side of lower floor's antenna substrate 3 is
68mm, thickness is 2mm.The center of circle of the lower via hole 301 is located on the perpendicular bisector of lower floor's antenna substrate 3, the lower floor
The distance between the center of the perpendicular bisector of antenna substrate 3 and the center of circle of the lower via hole 301 are 1.3mm.
Continue as Figure 1-4, the center of circle of the upper strata through hole 101, the center of circle of the middle level through hole 201 and the lower floor
The center of circle of through hole 301 is on same straight line, the upper strata through hole 101, the middle level through hole 201 and the lower via hole 301
Diameter be 1.5mm.
Embodiment 3
As shown in figure 1, the utility model discloses a kind of stacked antenna substrate, including the upper strata set gradually from top to bottom
Antenna substrate 1, middle level antenna substrate 2 and lower floor's antenna substrate 3, the upper strata antenna substrate 1, the and of middle level antenna substrate 2
Lower floor's antenna substrate 3 is square, and the dielectric constant of the upper strata antenna substrate 1 is 35-45, the middle level antenna base
The dielectric constant of piece 2 is 15-25, and the dielectric constant of lower floor's antenna substrate 3 is 3-5.
As shown in Fig. 2 the upper strata antenna substrate 1 is with the length of side of upper strata antenna substrate 1 described in upper strata through hole 101
17.7mm, thickness is 3.7mm.The center of circle of the upper strata through hole 101 is located on the perpendicular bisector of the upper strata antenna substrate 1, described
The distance between the center of the perpendicular bisector of upper strata antenna substrate 1 and the center of circle of the upper strata through hole 101 are 1.3mm.
As shown in figure 3, the middle level antenna substrate 2 has middle level through hole 201, the length of side of the middle level antenna substrate 2 is
25.7mm, thickness is 2.7mm, and the center of circle of the middle level through hole 201 is located on the perpendicular bisector of the middle level antenna substrate 2, described
The distance between the center of the perpendicular bisector of middle level antenna substrate 2 and the center of circle of the middle level through hole 201 are 1.3mm.
As shown in figure 4, lower floor's antenna substrate 3 has lower via hole 301, the length of side of lower floor's antenna substrate 3 is
67.7mm, thickness is 1.7mm.The center of circle of the lower via hole 301 is located on the perpendicular bisector of lower floor's antenna substrate 3, described
The distance between the center of the perpendicular bisector of lower floor's antenna substrate 3 and the center of circle of the lower via hole 301 are 1.3mm.
Continue as Figure 1-4, the center of circle of the upper strata through hole 101, the center of circle of the middle level through hole 201 and the lower floor
The center of circle of through hole 301 is on same straight line, the upper strata through hole 101, the middle level through hole 201 and the lower via hole 301
Diameter be 1.4mm.
Embodiment 4
As shown in figure 5, the utility model discloses a kind of frequency navigation antenna of bimodulus four, including feedback pin 4, paster 5 and implementation
Stacked antenna substrate in example 1- embodiments 3, the upper and lower surface of the upper strata antenna substrate 1, which is set, has silvering (not scheme
Show), the upper and lower surface of the middle level antenna substrate 2 is provided with silvering (not shown), lower floor's antenna substrate 3 it is upper,
Lower surface is provided with copper coating (not shown).
The feedback pin 4 is sequentially passed through after upper strata through hole 101, middle level through hole 201 and lower via hole 301, by upper strata antenna base
Piece 1, middle level antenna substrate 2 and lower floor's antenna substrate 3 link together, and the paster 5 is covered in lower floor's antenna substrate 3
On the copper coating of lower surface, the paster can effectively prevent the damage of electrode pattern, and the top of the feedback pin 4 is welded on described
On the silvering of the upper surface of upper strata antenna substrate 1.
Antenna in the present embodiment can receive the four frequency signals from the Big Dipper and GPS simultaneously, be specially that can receive L frequencies
Section (1615.58 ± 5MHz), S frequency ranges (2491.75 ± 5MHz), B1 frequency ranges (1561 ± 4MHz), L1 frequency ranges (1575 ± 5MHz)
Signal.
Antenna in the present embodiment has relatively low standing-wave ratio (≤1.5) and higher directive gain (>=5dBic) etc. is excellent
Benign energy, can both support Beidou II and GPS positioning function, can also support the short message communication function of a Big Dipper generation,
Meanwhile, antenna element high gain, pattern beam are wide, it is ensured that the reception at the low elevation angle, some serious shieldings occasion according to
Signal can so be received.
Implement the utility model, have the advantages that：
1st, stacked antenna substrate of the present utility model can be used for making multiband aerial, and the antenna covers the Big Dipper and GPS
Four frequency antennas of double satellite navigation systems, can coordinate a variety of Big Dippeves and GPS to use, and be widely used in that the Big Dipper is vehicle-mounted, ship
The fields such as load.
2nd, except the positioning function with Beidou II and GPS, the short message communication of a Big Dipper generation is also supported.
3rd, antenna element high gain of the present utility model, pattern beam is wide, it is ensured that the reception at the low elevation angle, at some
The occasion of serious shielding can still receive signal.
Upper disclosed only several preferred embodiments of the present utility model, can not limit this practicality with this certainly
New interest field, therefore the equivalent variations made according to the utility model claim, still belong to what the utility model was covered
Scope.
Claims (8)
1. a kind of stacked antenna substrate, it is characterised in that including set gradually from top to bottom upper strata antenna substrate (1), middle level
Antenna substrate (2) and lower floor's antenna substrate (3), the upper strata antenna substrate (1), the middle level antenna substrate (2) and it is described under
Layer antenna substrate (3) is square；
The upper strata antenna substrate (1) has a upper strata through hole (101), the length of side of the upper strata antenna substrate (1) for 18 ±
0.3mm, thickness is 4 ± 0.3mm；
The middle level antenna substrate (2) has a middle level through hole (201), the length of side of the middle level antenna substrate (2) for 26 ±
0.3mm, thickness is 3 ± 0.3mm；
Lower floor's antenna substrate (3) has a lower via hole (301), the length of side of lower floor's antenna substrate (3) for 68 ±
0.3mm, thickness is 2 ± 0.3mm.
2. stacked antenna substrate according to claim 1, it is characterised in that the center of circle of the upper strata through hole (101) is located at
On the perpendicular bisector of the upper strata antenna substrate (1), center and the upper strata through hole of the perpendicular bisector of the upper strata antenna substrate (1)
(101) the distance between center of circle is 1.3mm.
3. stacked antenna substrate according to claim 2, it is characterised in that the center of circle of the middle level through hole (201) is located at
On the perpendicular bisector of the middle level antenna substrate (2), center and the middle level through hole of the perpendicular bisector of the middle level antenna substrate (2)
(201) the distance between center of circle is 1.3mm.
4. stacked antenna substrate according to claim 3, it is characterised in that the center of circle of the lower via hole (301) is located at
On the perpendicular bisector of lower floor's antenna substrate (3), center and the lower via hole of the perpendicular bisector of lower floor's antenna substrate (3)
(301) the distance between center of circle is 1.3mm.
5. stacked antenna substrate according to claim 4, it is characterised in that the center of circle of the upper strata through hole (101), described
The center of circle of middle level through hole (201) and the center of circle of the lower via hole (301) are on same straight line.
6. stacked antenna substrate according to claim 5, it is characterised in that the diameter of the upper strata through hole (101), described
The diameter of middle level through hole (201) diameter and the lower via hole (301) is 1.5 ± 0.1mm.
7. a kind of frequency navigation antenna of bimodulus four, it is characterised in that including feedback pin (4), paster (5) and as claim 1-6 is any
Stacked antenna substrate described in, the upper and lower surface of the upper strata antenna substrate (1) and the middle level antenna substrate (2) it is upper,
Lower surface is provided with silvering, and the upper and lower surface of lower floor's antenna substrate (3) is provided with copper coating；It is described feedback pin (4) according to
It is secondary to pass through after the upper strata through hole (101), the middle level through hole (201) and the lower via hole (301), by the upper strata antenna
Substrate (1), the middle level antenna substrate (2) and lower floor's antenna substrate (3) link together, and the paster (5) is covered in
On the copper coating of the lower surface of lower floor's antenna substrate (3).
8. the frequency navigation antenna of bimodulus four according to claim 7, it is characterised in that be welded at the top of the feedback pin (4)
On the silvering of the upper surface of the upper strata antenna substrate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030911.8U CN206412479U (en) | 2017-01-11 | 2017-01-11 | A kind of frequency navigation antenna of stacked antenna substrate and bimodulus four |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030911.8U CN206412479U (en) | 2017-01-11 | 2017-01-11 | A kind of frequency navigation antenna of stacked antenna substrate and bimodulus four |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412479U true CN206412479U (en) | 2017-08-15 |
Family
ID=59555127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720030911.8U Active CN206412479U (en) | 2017-01-11 | 2017-01-11 | A kind of frequency navigation antenna of stacked antenna substrate and bimodulus four |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412479U (en) |
-
2017
- 2017-01-11 CN CN201720030911.8U patent/CN206412479U/en active Active
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