CN206271885U - A kind of multiband aerial, router and electronic installation - Google Patents

Abstract

The utility model is related to antenna technical field, there is provided a kind of multiband aerial, router and electronic installation.Multiband aerial, including two dual-band antennas and two single-band antennas of Heterogeneous Permutation of Heterogeneous Permutation, the dual-band antenna has multiple the first radiation minor matters being connected in series and multiple the second radiation minor matters being connected in series, the single-band antenna has multiple the 3rd radiation minor matters being connected in series, and two dual-band antennas are located at two outsides of the single-band antenna respectively.Router, including it is provided with base, the antenna casing of frame-shaped and at least two multiband aerials described above of control circuit.The multiband aerial that the utility model is provided, it has been reduced significantly the space shared by multiband aerial, and by the way that two dual-band antennas to be located at two designs in the outside of single-band antenna respectively so that the isolation that the multiband aerial will not be because of the diminution of size on each frequency band of antenna produces influence.

Description

A kind of multiband aerial, router and electronic installation

Technical field

The utility model is related to antenna technical field, more particularly to a kind of multiband aerial, router and electronic installation.

Background technology

With the extensive use in the field of communications of WLAN (WLAN) technology, it is adaptable to the miniaturization of WLAN environment Multiband microstrip antenna rapidly becomes one of study hotspot of field of antenna.

WLAN conventional radio band is：2.4G frequency ranges (2.4-2.5GHz), 5G band1 frequency ranges (5.15-5.25GHz), 5G band4 frequency ranges (5.725-5.825GHz).At present, being applied to the product of WLAN environment mainly has outside built-in antenna and antenna Put two types.External antenna is limited by appearance factor, and the adjustable scope of aerial position is smaller, and is difficult to increase 5G Isolation between frequency range band1 and band4；Built-in aerial size is smaller, and its gain and directionality are laid out by device interior Influence it is big, the interference problem of antenna 5G frequency bands is protruded.Accordingly, it would be desirable to design structure is compact, isolation is good and can cover simultaneously WLAN is often with the multiband aerial of working frequency range.

Utility model content

The utility model purpose is to provide a kind of multiband aerial, router and electronic installation, it is intended to solve existing skill When antenna arrangement space existing for art is limited, the problem of each frequency band isolation difference.

The utility model provides a kind of multiband aerial, including two Heterogeneous Permutations dual-band antenna and two dislocation rows The single-band antenna of row, the dual-band antenna has multiple the first radiation minor matters being connected in series and multiple the second spokes being connected in series Ray section, the single-band antenna has multiple the 3rd radiation minor matters being connected in series, and two dual-band antennas are located at two respectively The outside of the individual single-band antenna.

Specifically, also including isolating bar, the isolating bar be used to isolating two dual-band antennas being oppositely arranged and/or Two single-band antennas.

Specifically, the center line of the dual-band antenna and the single-band antenna is parallel to each other.

Specifically, the isolating bar includes the first isolating bar, and the dual-band antenna includes upper dual-band antenna and lower double frequency day Line, the single-band antenna includes upper single-band antenna and lower single-band antenna, and first isolating bar is separated by described in be oppositely arranged Upper dual-band antenna and upper single-band antenna and the described lower dual-band antenna and lower single-band antenna that are oppositely arranged.

Specifically, the isolating bar also includes the second isolating bar, between the lower dual-band antenna and the lower single-band antenna It is separated by with second isolating bar.

Specifically, the first radiation minor matters and the second radiation minor matters are " U " type, the first radiation minor matters described in every group Overlapped with the described second radiation minor matters bottom；First radiation minor matters described in each group on the dual-band antenna and the second radiation minor matters Connected by the first feed strip.

Specifically, the 3rd radiation minor matters are " U " type, and the single-band antenna has the second feed strip, second feedback Electric band connects multiple the 3rd radiation minor matters.

The multiband aerial that the utility model is provided, has been reduced significantly the space shared by multiband aerial, and by inciting somebody to action Two dual-band antennas are located at two designs in the outside of single-band antenna respectively so that the multiband aerial will not be because of the diminution of size And influence is produced on the isolation of each frequency band of antenna.

For the attainment of one's purpose, the utility model additionally provides a kind of router, including is provided with the base for controlling circuit, also Antenna casing and at least two including frame-shaped multiband aerial described above, the first side of the antenna casing with it is described Base is connected, and the multiband aerial is contained in the being respectively connected with the first side of the antenna casing and is oppositely arranged Second side and the 3rd side in.

Specifically, the antenna casing is fillet frame-shaped.

Router provided by the utility model, multiband aerial is positioned in antenna casing, it is to avoid antenna is more When the adverse effect that is caused to outward appearance, while increased the free degree of antenna arrangement, while solving in the limited situation of size Under, the interference problem of each frequency band of router improves the overall performance of router.

Additionally, the utility model additionally provides a kind of electronic installation, including multiband aerial described above.

Electronic installation provided by the utility model, using the multiband aerial with cramped construction, has complied with electronics dress Put the development trend towards short and small, frivolous direction, and the good multiband aerial of isolation solves antenna each working band The interference problem brought, and then improve the overall performance of electronic installation.

Brief description of the drawings

Fig. 1 is the structural representation of multiband aerial in the utility model preferred embodiment；

Fig. 2A and Fig. 2 B are respectively the first surface of the upper dual-band antenna in multiband aerial illustrated in fig. 1, the second table The structural representation in face；

Fig. 3 A and Fig. 3 B are respectively first surface, the second surface of the single-band antenna in multiband aerial illustrated in fig. 1 Structural representation；

Fig. 4 is the structural representation of the router in the utility model preferred embodiment；

Fig. 5 be Fig. 1 shown in multiband aerial upper dual-band antenna in three frequencies of 2.4GHz frequency ranges in horizontal plane (XOZ Face) directional diagram；

Fig. 6 be Fig. 1 shown in multiband aerial upper dual-band antenna in three frequencies of 5.15-5.25GHz frequency ranges in level The directional diagram in face (XOZ faces)；

Fig. 7 be Fig. 1 shown in multiband aerial upper single-band antenna in three frequencies of 5.725-5.825GHz frequency ranges in water The directional diagram of plane (XOZ faces)；

Fig. 8 be Fig. 1 shown in multiband aerial lower dual-band antenna in three frequencies of 2.4GHz frequency ranges in horizontal plane (XOZ Face) directional diagram；

Fig. 9 be Fig. 1 shown in multiband aerial lower dual-band antenna in three frequencies of 5.15-5.25GHz frequency ranges in level The directional diagram in face (XOZ faces)；

Figure 10 be Fig. 1 shown in multiband aerial lower single-band antenna in three frequencies of 5.725-5.825GHz frequency ranges in water The directional diagram of plane (XOZ faces).

Specific embodiment

In order that the technical problems to be solved in the utility model, technical scheme and beneficial effect become more apparent, below With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example is only used to explain the utility model, is not used to limit the utility model.

Refer to Fig. 1, the multiband aerial in the utility model preferred embodiment, including two double frequencies of Heterogeneous Permutation day Line 20 and two single-band antennas of Heterogeneous Permutation 30, dual-band antenna 20 have multiple the first radiation minor matters 50 being connected in series and many Individual the second radiation minor matters 60 being connected in series, single-band antenna 30 has multiple the 3rd radiation minor matters 70 being connected in series, and two double Frequency antenna 20 is located at two outsides of single-band antenna 30 respectively.The multiband aerial that the present embodiment is provided, has been reduced significantly multifrequency Space shared by section antenna, and by the way that two dual-band antennas 20 to be located at two designs in the outside of single-band antenna 30 respectively, So that the multiband aerial will not be produced because of the diminution of size on the isolation of each frequency band of antenna influenceing.

In the present embodiment, dual-band antenna 20 and single-band antenna 30 are set on the substrate 10.Substrate 10 has first surface The 10A and second surface 10B relative with first surface 10A.Especially, dual-band antenna 20 and single-band antenna 30 use printed on both sides PCB pastes shell antenna.

In this embodiment, with reference to Fig. 4, multiband aerial includes 4 antennas altogether, wherein 2 (upper single-band antenna 31 and under Single-band antenna 32) it is 5G band antennas, working frequency range is 5.725-5.825GHz, 2 (upper dual-band antenna 21 and lower dual-band antennas 22) it is dual-band antenna 20, working frequency range is 2.4-2.5G＆5.15-5.25GHz, and antenna is by coaxial feeding and and router The circuit connection of the mainboard (not shown) in 80.2 dual-band antennas 20 and 2 5G antennas are distributed in into one piece as one group to approach In square substrate 10, substrate 10 is that width is 110~170mm, and a height of 200~260mm, thickness is the plastic chamber of 8~15mm Body.

Further, as shown in figure 1, multiband aerial also includes isolating bar 40, isolating bar 40 is oppositely arranged for isolation Two dual-band antennas 20 and/or two single-band antennas 30.By adding isolating bar 40, can be in the case of less in spacing Significantly improve the isolation of antenna.Especially, isolating bar 40 is metal or the PCB for covering copper completely.

Further, as shown in figure 1, the center line of dual-band antenna 20 and single-band antenna 30 is parallel to each other.

In the present embodiment, dual-band antenna 20 includes upper dual-band antenna 21 and lower dual-band antenna 22, and single-band antenna 30 includes Upper single-band antenna 31 and lower single-band antenna 32.Upper single-band antenna 31 and lower dual-band antenna 22 be arranged in the side of isolating bar 40 and on Lower dislocation is put, both near-ends apart from b1 be 0~50mm；Lower single-band antenna 32 is arranged in isolating bar with upper dual-band antenna 21 40 opposite side and up and down dislocation put, both near-ends apart from b2 be 0~50mm.This disposing way is further increased Interband isolation between three frequency range (2.4G, 5G band1 and 5G band4) antennas.

Further, as shown in figure 1, isolating bar 40 includes the first isolating bar 41, the first isolating bar 41 is separated by and is set in relative The upper dual-band antenna 21 and upper single-band antenna 31 put and the lower dual-band antenna 22 and lower single-band antenna 32 that are oppositely arranged.By adding Plus isolating bar 40, the isolation of antenna can be significantly improved in the case of less in spacing.

In the present embodiment, the first isolating bar 41 is not wide isolating bar 40, and the length of the first isolating bar 41 is 160-240mm (200mm is preferable), every in the upper dual-band antenna 21 and the upper partial width of upper single-band antenna 31 being oppositely arranged be 15-30mm (21mm is preferable), every the lower partial width in the lower dual-band antenna 22 being oppositely arranged and lower single-band antenna 32 be 2~10mm (3mm Preferably).

Further, as shown in figure 1, isolating bar 40 also includes the second isolating bar 42, lower dual-band antenna 22 and lower single-frequency day It is separated by with the second isolating bar 42 between line 32.By adding isolating bar 40, can be significantly improved in the case of less in spacing The isolation of antenna.

In the present embodiment, the second isolating bar 42 is rectangle, the length of the second isolating bar 42 for 90~130mm (100mm compared with It is good), width is 2~10mm (3mm is preferable).

In the present embodiment, upper single-band antenna 31 is isolated with the distance and upper dual-band antenna 21 of the first isolating bar 41 with first The distance of bar 41 is equal；The distance of the isolating bar 41 of lower single-band antenna 32 and first and the isolating bar 42 of lower dual-band antenna 22 and second Apart from equal.Especially, the isolating bar 41 of upper single-band antenna 31 and first apart from a1 be 10~20mm, lower dual-band antenna 22 and the The distance 2 of one isolating bar 41 is 10~20m, and the isolating bar 41 of upper dual-band antenna 21 and first is 10~20mm apart from a3, is placed an order The isolating bar 41 of frequency antenna 32 and first apart from a4 be 10~20mm, the distance between the first isolating bar 41 and the second isolating bar 42 A5 is 8~28mm.Under spacing between this antenna and isolating bar 40, you can meet the requirement of isolation between each antenna, and The directional diagram complementary characteristic of good each antenna of same frequency range is capable of achieving, preferable wireless signal coverage effect is realized.

Further, Fig. 1, Fig. 2A and Fig. 2 B are referred to, the first radiation radiation minor matters 60 of minor matters 50 and second are " U " type, The every group first radiation radiation minor matters 60 of minor matters 50 and second bottom overlaps, wherein, the first radiation minor matters 50 are short " U " type radiation branch Section, the second radiation minor matters 60 are " U " type radiation minor matters long；The radiation minor matters 50 and second of each group first on dual-band antenna 20 are radiated Minor matters 60 are connected by the first feed strip 23.Dual-band antenna 20 radiates the radiation series connection of minor matters 60 of minor matters 50 and second using first Mode improves antenna gain.In the present embodiment, the first radiation minor matters 50 are that 5G radiates minor matters, and the second radiation minor matters 60 are 2G Minor matters.

In the present embodiment, upper dual-band antenna 21 includes two the first radiation branch of differential concatenation with lower dual-band antenna 22 The radiation minor matters 60 of section 50 and second, its 2.4G band gain is 6dBi, and 5G band gains are 6dBi, and main radiating surface is vertical In in the plane of antenna axis.

In the present embodiment, in the dual-band antenna 20 on first surface 10A, the first radiation radiation branch of minor matters 50 and second " U " type opening direction of section 60 mutually deviates from, and in dual-band antenna 20 on second surface 10B, the first radiation minor matters 50 and the " U " type of two radiation minor matters 60 is relative.The distributing point 23A of dual-band antenna 20 is arranged on the first feed strip 23 near the first radiation branch Save one end of 50 " U " type bottoms.

In the present embodiment, dual-band antenna 20 and is high-gain aerial in the form of PCB patch shell antennas.In addition, double frequency The size of antenna 20 is 104.6mm × 8.6mm × 0.75mm.Refer to Fig. 2A and 2B, Fig. 2A show that dual-band antenna 21 sets In the structural representation of the first surface 10A of substrate 10, upper dual-band antenna 21 on each surface all have the first feed strip 23, (one group is one first radiation minor matters 50 and one second radiation at least two group first radiation radiation of minor matters 50 and second minor matters 60 Minor matters 60, in every group, the bottom of the first radiation radiation minor matters 60 of minor matters 50 and second overlaps)；It is upper double on two different surfaces Frequency antenna 21 radiates the radiation of minor matters 50 and second minor matters 60 and connects by feed strip 23 by two group first respectively, the first radiation minor matters 50 and second radiate minor matters 60 for " U " type, two group first radiation minor matters 50 and second of the upper dual-band antenna 21 on same surface The U of radiation minor matters 60 " type opening directions are conversely, i.e. on first surface 10A, two group first of upper dual-band antenna 21 radiates minor matters 50 mutually deviate from " U " the type opening of the second radiation minor matters 60, on second surface 10B, two group of first spoke of upper dual-band antenna 21 " U " the type opening of the radiation minor matters 60 of ray section 50 and second is relative.In the present embodiment, located at different surfaces and " U " type bottom The two group of first radiation radiation minor matters 60 of minor matters 50 and second for overlapping or abutting constitute a radiating element.In the present embodiment In, with reference to Fig. 1, the upper dual-band antenna 21, the structure of lower dual-band antenna 22 on same surface are identical.

Further, Fig. 1, Fig. 3 A and Fig. 3 B are referred to, the 3rd radiation minor matters 70 are " U " type, single-band antenna 30 has the Two feed strip 33, the second feed strip 33 radiates the multiple 3rd minor matters 70 and connects.Single-band antenna 30 is using multiple 3rd radiation branch The form of the series connection of section 70 improves antenna gain.In the present embodiment, single-band antenna 30 is gone here and there using 3 the 3rd radiation minor matters 70 Connection, its gain is 6dBi, and main radiating surface is in the plane of antenna axis.In the present embodiment, the 3rd radiation branch Section 70 is that 5G radiates minor matters.

In the present embodiment, in single-band antenna 30, " U " type opening direction phase of the 3rd radiation minor matters 70 of each series connection Together.The distributing point 33A of single-band antenna 30 is arranged on one end of the second feed strip 33.

Especially, with reference to Fig. 4, single-band antenna 30 and dual-band antenna 20 are respectively by different coaxial lines and router 80 Mainboard is connected, and (coaxial line one end is connected with the distributing point 23A of dual-band antenna 20 or the distributing point 33A of single-band antenna 30, coaxial line The other end is connected with the mainboard being arranged in router 80).In the present embodiment, it is obstructed between single-band antenna 30 and dual-band antenna 20 Coaxial line is crossed to be connected.

In the present embodiment, single-band antenna 30 and is high-gain aerial in the form of printed on both sides PCB patch shell antennas. In addition, the size of single-band antenna 30 is 113.3mm × 7.5mm × 0.75mm.Refer to Fig. 3 A and 3B, Fig. 3 A and show single-frequency day Line 30 is located at the structural representation of the first surface 10A of substrate 10, and Fig. 3 B show single-band antenna 30 located at the second of substrate 10 The structural representation of surface 10B, single-band antenna 20 all has the second feed strip 33 and at least two " U " types on each surface 3rd radiation minor matters 70；On two different surfaces, single-band antenna 30 passes through the second feed strip 33 by 2 the 3rd radiation branch respectively Section 70 is connected, and " U " the type opening of the 3rd radiation minor matters 70 on same surface is in the same direction, the 3rd radiation branch on different surfaces " U " type opening direction of section 70 is opposite.Threeth radiation minor matters 70 of the single-band antenna 30 on second surface 10B are in first surface Projection on 10A radiates the Heterogeneous Permutation of minor matters 70 with first surface the 3rd.In the present embodiment, on different surfaces and " U " type bottom overlaps or abuts, and two the 3rd radiation minor matters 70 that opening direction mutually deviates from constitute a radiating element.

In the present embodiment, as shown in figure 1, on same surface, upper single-band antenna 31 and the structure phase of lower single-band antenna 32 Together；In other embodiments, upper single-band antenna 31 can use the antenna radiator of different structure with lower single-band antenna 32.Ginseng Read Fig. 4, be positioned over multiband aerial in antenna casing 82 by the router 80 that the present embodiment is provided, it is to avoid when antenna is more The adverse effect caused to outward appearance, while the free degree of antenna arrangement is increased, while solve in the case where size is limited, The interference problem of each frequency band of router 80, improves the overall performance of router 80.

Reasonably layout makes that the requirement of 5G frequency ranges band1 and band4 antenna pair isolations can be met multiband aerial, and Meet the requirement of 2.4G antennas and 5G antenna pair isolations.The program misplaced up and down by rational antenna spacing, adjacent antenna, Increase the measure such as isolating bar so that the program can be greatly improved between 2.4G and 5G frequency ranges in the case where size is limited, Isolation between 5G frequency ranges band1 and band4, reduces influencing each other for adjacent antenna signal, solves three frequency route 5G frequently The interference problem of band, has been obviously improved the MU-MIMO performances of product.The interior isolation of band of program 2G band antennas is more than Isolation between 30dB, 5G frequency range band1 and band4 is more than 30dB.The program uses high-gain horizontal omnidirectional antenna, and day Line vertical display, 2.4G uses 6dBi antennas, 5G frequency ranges band1 to use 6dBi antennas, 5G frequency ranges band4 to use 6dBi antennas. Measured result shows, using this gain level antenna horizontal plane (XOZ faces, similarly hereinafter) coverage effect preferably, signal transmission away from From preferable with through-wall performance.Each antenna energy of the program focuses primarily upon horizontal plane, while by rational layout, with frequency 4 antennas of section have good directional diagram complementary characteristic so that horizontal plane directionality is preferable.

Refer to Fig. 5 to Figure 10, Fig. 5 and Fig. 8 and respectively illustrate dual-band antenna 21 and lower dual-band antenna 22 in 2.4GHz Coverage condition of three frequencies of frequency range in the directional diagram of horizontal plane；Fig. 6 and Fig. 9 respectively illustrate dual-band antenna 21 and lower double frequency Antenna 22 three frequencies of 5.15-5.25GHz frequency ranges the directional diagram of horizontal plane coverage condition；Fig. 7 and Figure 10 show respectively Upper single-band antenna 31 and lower single-band antenna 32 cover in 5.725-5.825GHz frequency ranges three frequencies in the directional diagram of horizontal plane Lid situation.It can be seen that 4 antennas can reach preferably complementation coverage effect.The 2G of upper dual-band antenna 21 and lower dual-band antenna 22 Band antenna is half-plane covering antenna, and two antenna complementations reach good whole plane wireless signal covering；Upper double frequency day The 5G band antennas of line 21 and lower dual-band antenna 22 are half-plane covering antenna, and two antenna complementations reach good complete flat Face wireless signal covering；The 5G band antennas of upper single-band antenna 31 and lower single-band antenna 32 are half-plane covering antenna, two Antenna is complementary, reaches good whole plane wireless signal covering.In order to more clearly describe, Fig. 5 to direction illustrated in fig. 10 Figure merely illustrates a center frequency point curve.

Fig. 4 is referred to, the router 80 in the utility model preferred embodiment, including it is provided with the base of control circuit 81st, the above-mentioned multiband aerial of antenna casing 82 and at least two of frame-shaped, first side 82A and the base 81 of antenna casing 82 It is connected, multiband aerial is contained in the being respectively connected with first side 82A of antenna casing 82 and the second side being oppositely arranged In 82B and the 3rd side 82C.Further, antenna casing 82 is fillet frame-shaped.

In the present embodiment, 2 multiband aerials are included in router 80 altogether, is respectively printed on four pieces of pcb boards, structure Into 8 two-sided antennas.With reference to Fig. 2A and Fig. 2 B, wherein, upper dual-band antenna 21, the structure of lower dual-band antenna 22 on same surface It is identical.

Fig. 3 A and Fig. 3 B show single-band antenna 30 respectively in first surface 10A and the structural representation of second surface 10B, That is, upper single-band antenna 31 is identical with the structure of second surface 10B in first surface 10A with lower single-band antenna 32.Other 7 The rest may be inferred for root antenna.

Electronic installation in the utility model preferred embodiment, including above-mentioned multiband aerial, the present embodiment are provided Electronic installation, using the multiband aerial with cramped construction, complied with electronic installation towards the development in short and small, frivolous direction Trend, and the good multiband aerial of isolation solves the interference problem that antenna each working band brings, and then improve The overall performance of electronic installation.

Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of multiband aerial, it is characterised in that including two dual-band antennas and two lists of Heterogeneous Permutation of Heterogeneous Permutation Frequency antenna, the dual-band antenna has multiple the first radiation minor matters and multiple the second radiation branch being connected in series being connected in series Section, the single-band antenna has multiple the 3rd radiation minor matters being connected in series, and two dual-band antennas are located at two institutes respectively State the outside of single-band antenna.

2. multiband aerial as claimed in claim 1, it is characterised in that also including isolating bar, the isolating bar is used to isolate Two dual-band antennas and/or two single-band antennas being oppositely arranged.

3. multiband aerial as claimed in claim 1 or 2, it is characterised in that the dual-band antenna and the single-band antenna Center line is parallel to each other.

4. multiband aerial as claimed in claim 2, it is characterised in that the isolating bar includes the first isolating bar, described double Frequency antenna includes upper dual-band antenna and lower dual-band antenna, and the single-band antenna includes upper single-band antenna and lower single-band antenna, described First isolating bar is separated by the described upper dual-band antenna and upper single-band antenna that are oppositely arranged and the described lower double frequency being oppositely arranged Antenna and lower single-band antenna.

5. multiband aerial as claimed in claim 4, it is characterised in that the isolating bar also includes the second isolating bar, described It is separated by with second isolating bar between lower dual-band antenna and the lower single-band antenna.

6. multiband aerial as claimed in claim 1, it is characterised in that the first radiation minor matters and second radiation branch It is " U " type to save, and the first radiation minor matters described in every group and the second radiation minor matters bottom overlap；On each described dual-band antenna First radiation minor matters described in each group and the second radiation minor matters are connected by the first feed strip.

7. multiband aerial as claimed in claim 1, it is characterised in that the 3rd radiation minor matters are " U " type, described in each Single-band antenna has the second feed strip, and second feed strip connects multiple the 3rd radiation minor matters.

8. a kind of router, including be provided with the base of control circuit, it is characterised in that antenna casing also including frame-shaped and extremely Few two multiband aerials as described in any one of claim 1 to 7, the first side of the antenna casing and the base phase Even, the multiband aerial is contained in the being respectively connected with the first side of the antenna casing and be oppositely arranged second In side and the 3rd side.

9. router as claimed in claim 8, it is characterised in that the antenna casing is fillet frame-shaped.

10. a kind of electronic installation, it is characterised in that also including the multiband aerial as described in any one of claim 1 to 7.