CN105281025A - Router antenna with isolating and reflecting layers - Google Patents
Router antenna with isolating and reflecting layers Download PDFInfo
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- CN105281025A CN105281025A CN201510827256.4A CN201510827256A CN105281025A CN 105281025 A CN105281025 A CN 105281025A CN 201510827256 A CN201510827256 A CN 201510827256A CN 105281025 A CN105281025 A CN 105281025A
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Abstract
The invention discloses a router antenna with isolating and reflecting layers. The router antenna comprises an insulation cylinder. The inner of the insulation cylinder is isometrically provided with multiple antenna layers paralleled to each other. Each antenna layer is provided with a communication vibrator. An isolating and reflecting layer is arranged between two adjacent antenna layers. The distances from the isolating and reflecting layer to the two adjacent antenna layers are of the same. The upper and lower surfaces of the isolating and reflecting layer are respectively provided with isolating and reflecting films which have certain radian. Due to the stacked structure and the installation of isolating and reflecting layers, the router antenna has high antenna gain, good isolation and directivity, excellent performance of standing wave ratio.
Description
Technical field
The present invention relates to a kind of router antenna being provided with isolation reflector.
Background technology
At present, router is that requisite electronic equipment is shone in people's daily life, and it is for people to use for cable network signal is become wireless signal; And the quality of router performance, key is its antenna structure arranged, if the antenna of a good configuration of routers should have very strong gain and other electric properties; And router usually adopts 2.4G frequency range and 5G frequency range to be used as the network frequency-selecting of WIFI in frequency range at present, therefore antenna has preferably electric property should be a larger challenge of routers on two wave bands, and in addition, also should possess larger bandwidth, adapt to more multifrequency signal.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, the router antenna being provided with isolation reflector that a kind of gain is high, standing-wave ratio is excellent, isolation is good is provided.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of router antenna being provided with isolation reflector, include insulation cylinder, multiple parallel antenna stack is equidistantly provided with in described insulation cylinder, described antenna stack is provided with communication oscillator, and be provided with isolation reflector between two antenna stacks, described isolation reflector is equal with the spacing of adjacent two antenna stacks, upper and lower two surfaces, described isolation reflector are provided with isolation reflectance coating, and described isolation reflectance coating has certain radian.
Wherein, described communication oscillator comprises circular pcb board, each pcb board is provided with six micro-strip oscillator unit around arc distances such as centers, described each micro-strip oscillator unit includes leg-of-mutton circle arm, and every bar limit of described circle arm all extends internally the first arc radiation arm of arc and the second arc radiation arm; The radius of described second arc radiation arm is greater than the first arc radiation arm; Also include the arc isolation arm extended internally out from every bar limit, the radius of described arc isolation arm is greater than the second arc radiation arm, and the width of described arc isolation arm is from two ends to the reduction gradually at center; Described arc isolation arm is made up of semiconductor material; The stage casing on leg-of-mutton three limits that described circle arm is formed is respectively equipped with an isolation strip, and described isolation strip is dielectric, and leg-of-mutton three limits insulation isolation formed by circle arm disconnects; Be equipped with the 3rd radiation arm between the arm of arc isolation between two, one end of described 3rd radiation arm is provided with the ring radiation arm of annular, and described ring radiation arm is located at the angle place of circle arm; The other end of described 3rd radiation arm is provided with the 4th arc radiation arm of arc, and the radius of three the 4th arc radiation arms in described each circle arm is identical, and a composition circle; The center of described circle arm is provided with a signal feed hole, and described signal feed hole is of coupled connections with three the 4th arc radiation arm feeds respectively; The bottom surface of described pcb board is also provided with the welding hole corresponding with signal feed hole; Described 3rd radiation arm is provided with the aperture of multiple equidistant setting; The edge of described pcb board is provided with a circle conductive arm, and described conductive arm and each circle feed are of coupled connections; A coupling disk is provided with in pcb board end face, the pcb board back side is provided with Ba Lun pillar, described Ba Lun pillar electrically conducts with the disk that is coupled, and the free end of described Ba Lun pillar is provided with capacitive coupling oscillator arms, and described capacitive coupling oscillator arms includes three in fan-shaped sub-arm;
Described isolation reflector is just spherical or oval spherical, and described spherical diameter equals the diameter of pcb board, and described isolation reflectance coating is that layer of metal plated film covers surface, isolation reflector.
Wherein, if the quantity of aperture is N, the length of described 3rd radiation arm is Lmm, and the radius of described ring radiation arm is Kmm, then K=L/N.
Wherein, the quantity of described aperture is six.
Wherein, three drift angles of described leg-of-mutton circle arm are fillet.
Wherein, described circle arm is equilateral triangle, and the inner edge length of side of described circle arm is 20mm.
Wherein, the distance of described capacitive coupling oscillator arms and pcb board is 15mm.
Wherein, the outside of described circle arm is zigzag limit.
Beneficial effect of the present invention is: by the setting of stepped construction and division board, its antenna gain is high, isolation good, good directionality, standing-wave ratio function admirable.
Accompanying drawing explanation
Fig. 1 is the sectional view of antenna of the present invention;
Fig. 2 is the vertical view of communication oscillator of the present invention;
Fig. 3 is the upward view of communication oscillator of the present invention;
Fig. 4 is the end view of communication oscillator of the present invention;
Fig. 5 is the vertical view in isolation reflector of the present invention;
Fig. 6 is the structural representation of micro-strip oscillator unit of the present invention;
Fig. 7 is the return loss resolution chart of this antenna when there is isolation reflector;
Fig. 8 is the isolation performance test figure of this antenna when there is isolation reflector;
Directional diagram when Fig. 9 is this antenna 2.4GHz;
Directional diagram when Figure 10 is this antenna 5.0GHz;
Description of reference numerals in Fig. 1 to Figure 10:
D1-insulation cylinder; D2-antenna stack; D3-isolates reflector;
P1-PCB plate; P2-isolates reflectance coating; P3-Ba Lun pillar; P4-capacitive coupling oscillator arms; P11-conductive arm; P12-welding hole;
K1-encloses arm; K2-isolation strip; K3-first arc radiation arm; K4-second arc radiation arm; K5-ring radiation arm; K6-arc isolation arm; K7-the 3rd radiation arm; K8-aperture; K9-the 4th arc radiation arm.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
embodiment 1.
As shown in Figures 1 to 10, a kind of router antenna being provided with isolation reflector described in the present embodiment, include insulation cylinder D1, multiple parallel antenna stack D2 is equidistantly provided with in described insulation cylinder D1, described antenna stack D2 is provided with communication oscillator, isolation reflector D3 is provided with between two antenna stack D2, described isolation reflector D3 is equal with the spacing of adjacent two antenna stack D2, upper and lower two surfaces of described isolation reflector D3 are provided with isolation reflectance coating P2, and described isolation reflectance coating P2 has certain radian.Concrete, described communication oscillator comprises circular pcb board P1, each pcb board P1 is provided with six micro-strip oscillator unit around arc distances such as centers, described each micro-strip oscillator unit includes leg-of-mutton circle arm K1, and every bar limit of described circle arm K1 all extends internally the first arc radiation arm K3 of arc and the second arc radiation arm K4; The radius of described second arc radiation arm K4 is greater than the first arc radiation arm K3; Also include the arc isolation arm K6 extended internally out from every bar limit, the radius of described arc isolation arm K6 is greater than the second arc radiation arm K4, and the width of described arc isolation arm K6 is from two ends to the reduction gradually at center; Described arc isolation arm K6 is made up of semiconductor material; The stage casing on leg-of-mutton three limits that described circle arm K1 is formed is respectively equipped with an isolation strip K2, and described isolation strip K2 is dielectric, and leg-of-mutton three limits insulation isolation formed by circle arm K1 disconnects; Be equipped with a 3rd radiation arm K7 between the arm of arc isolation between two K6, one end of described 3rd radiation arm K7 is provided with the ring radiation arm K5 of annular, and described ring radiation arm K5 is located at the angle place of circle arm K1; The other end of described 3rd radiation arm K7 is provided with the 4th arc radiation arm K9 of arc, and the radius of three the 4th arc radiation arm K9 in described each circle arm K1 is identical, and a composition circle; The center of described circle arm K1 is provided with a signal feed hole, and described signal feed hole is of coupled connections with three the 4th arc radiation arm K9 feeds respectively; The bottom surface of described pcb board P1 is also provided with the welding hole P12 corresponding with signal feed hole; Described 3rd radiation arm K7 is provided with the aperture K8 of multiple equidistant setting; The edge of described pcb board P1 is provided with a circle conductive arm P11, and described conductive arm P11 and each circle feed are of coupled connections; A coupling disk is provided with in pcb board P1 end face, the pcb board P1 back side is provided with Ba Lun pillar P3, described Ba Lun pillar P3 electrically conducts with the disk that is coupled, and the free end of described Ba Lun pillar P3 is provided with capacitive coupling oscillator arms P4, and described capacitive coupling oscillator arms P4 includes three in fan-shaped sub-arm; Described isolation reflector D3 is just spherical or oval spherical, and described spherical diameter equals the diameter of pcb board P1, and described isolation reflectance coating P2 is that layer of metal plated film covers isolation reflector D3 surface.Six micro-strip oscillator unit are all be arranged on pcb board P1 in the mode of microstrip circuit.
By being not less than the microstrip circuit structural design of 500 times, and by under being not less than 500 l-G simulation tests and parameter adjustment, the division board P2 structure finally determining above-mentioned antenna structure and coordinate with it; This antenna is after by multiple antenna stack D2, feed is coupled simultaneously, and it shows excellent electric performance at 2.4GHz and 5.0GHz, near this frequency range, on average reach 9.7dBi under bandwidth;
Concrete actual test result such as following table HFSS software emulation obtains:
| Test frequency range section | Ratio before and after in frequency band | Corresponding gain |
| 2.2GHz | 31.214dB | 9.4056dBi |
| 2.3GHz | 31.857dB | 9.4285dBi |
| 2.4GHz | 32.343dB | 9.5324dBi |
| 2.5GHz | 32.656dB | 9.6136dBi |
| 4.8GHz | 36.924dB | 9.7674dBi |
| 4.9GHz | 37.972dB | 9.6375dBi |
| 5.0GHz | 38.162dB | 9.9219dBi |
| 5.1GHz | 38.247dB | 9.9148dBi |
| 5.2GHz | 38.589dB | 9.7752dBi |
And other electric properties also have comparatively excellent result, its return loss is all better than-10dB in the return loss of 2.4-2.48GHz frequency range and 5.15-5.875GHz frequency range; And the reason such as isolation strip K2 of isolation owing to arranging, its isolation loss in 2.4-2.48GHz and 5.15-5.875GHz frequency range is all better than-18dB;
Prove that this antenna itself possesses good performance;
In addition, after adding isolation reflector, its return loss and isolation all show better performance, and concrete as Fig. 7, its return loss is all better than-15dB in the return loss of 2.4-2.48GHz frequency range and 5.15-5.875GHz frequency range; As Fig. 8, isolation is all better than-20dB at the isolation loss of 2.4-2.48GHz and 5.15-5.875GHz frequency range.Here it is worth mentioning that, plain disk element antenna changes on antenna stack D2 by this, adds this isolation reflector equally, and ordinary antennas effect electrical property improves and not quite or not improves, and therefore this isolation reflector and antenna own match each other obvious with facilitation.
In addition owing to isolating the shape in reflector, its directivity of this antenna, as shown in Figure 9 and Figure 10, is omni-directional antenna under two frequency.
embodiment 2.
A kind of router antenna being provided with isolation reflector described in the present embodiment, if the quantity of aperture K8 is N, the length of described 3rd radiation arm K7 is Lmm, and the radius of described ring radiation arm K5 is Kmm, then K=L/N.Found by test of many times, if meet above-mentioned specification, the performance of antenna will be optimized more, and especially in return loss, its return loss is all better than-17dB in the return loss of 2.4-2.48GHz frequency range and 5.15-5.875GHz frequency range.
embodiment 3.
A kind of router antenna being provided with isolation reflector described in the present embodiment, the quantity of described aperture K8 is six; A kind of router antenna described in the present embodiment, three drift angles of described leg-of-mutton circle arm K1 are fillet; A kind of router antenna described in the present embodiment, described circle arm K1 is equilateral triangle, and the inner edge length of side of described circle arm K1 is 20mm; A kind of router antenna described in the present embodiment, the distance of described capacitive coupling oscillator arms P4 and pcb board P1 is 15mm; A kind of router antenna described in the present embodiment, the outside of described circle arm K1 is zigzag limit.By above-mentioned setting, its gain is higher, isolation better, standing-wave ratio performance is also more excellent.
The above is only three preferred embodiments of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in the protection range of patent application of the present invention.
Claims (8)
1. one kind is provided with the router antenna in isolation reflector, it is characterized in that: include insulation cylinder (D1), multiple parallel antenna stack (D2) is equidistantly provided with in described insulation cylinder (D1), described antenna stack (D2) is provided with communication oscillator, isolation reflector (D3) is provided with between two antenna stacks (D2), described isolation reflector (D3) is equal with the spacing of adjacent two antenna stacks (D2), upper and lower two surfaces of described isolation reflector (D3) are provided with isolation reflectance coating (P2), described isolation reflectance coating (P2) has certain radian.
2. a kind of router antenna being provided with isolation reflector according to claim 1, it is characterized in that: described communication oscillator comprises circular pcb board (P1), each pcb board (P1) is provided with six micro-strip oscillator unit around arc distances such as centers, described each micro-strip oscillator unit includes leg-of-mutton circle arm (K1), and every bar limit of described circle arm (K1) all extends internally the first arc radiation arm (K3) of arc and the second arc radiation arm (K4); The radius of described second arc radiation arm (K4) is greater than the first arc radiation arm (K3); Also include arc isolation arm (K6) extended internally out from every bar limit, the radius of described arc isolation arm (K6) is greater than the second arc radiation arm (K4), and the width of described arc isolation arm (K6) is from two ends to the reduction gradually at center; Described arc isolation arm (K6) is made up of semiconductor material; The stage casing on leg-of-mutton three limits that described circle arm (K1) is formed is respectively equipped with an isolation strip (K2), described isolation strip (K2) is dielectric, will enclose leg-of-mutton three limits insulation isolation disconnection that arm (K1) is formed; The 3rd radiation arm (K7) is equipped with between two between arc isolation arm (K6), one end of described 3rd radiation arm (K7) is provided with the ring radiation arm (K5) of annular, and described ring radiation arm (K5) is located at the angle place of circle arm (K1); The other end of described 3rd radiation arm (K7) is provided with the 4th arc radiation arm (K9) of arc, the radius of three the 4th arc radiation arms (K9) in described each circle arm (K1) is identical, and a composition circle; The center of described circle arm (K1) is provided with a signal feed hole, and described signal feed hole is of coupled connections with three the 4th arc radiation arm (K9) feeds respectively; The bottom surface of described pcb board (P1) is also provided with the welding hole (P12) corresponding with signal feed hole; Described 3rd radiation arm (K7) is provided with the aperture (K8) of multiple equidistant setting; The edge of described pcb board (P1) is provided with a circle conductive arm (P11), and described conductive arm (P11) and each circle feed are of coupled connections; A coupling disk is provided with in pcb board (P1) end face, pcb board (P1) back side is provided with Ba Lun pillar (P3), described Ba Lun pillar (P3) electrically conducts with the disk that is coupled, the free end of described Ba Lun pillar (P3) is provided with capacitive coupling oscillator arms (P4), and described capacitive coupling oscillator arms (P4) includes three in fan-shaped sub-arm;
Described isolation reflector (D3) is just spherical or oval spherical, described spherical diameter equals the diameter of pcb board (P1), and described isolation reflectance coating (P2) is surperficial for layer of metal plated film covers isolation reflector (D3).
3. a kind of router antenna being provided with isolation reflector according to claim 2, it is characterized in that: set the quantity of aperture (K8) as N, the length of described 3rd radiation arm (K7) is Lmm, the radius of described ring radiation arm (K5) is Kmm, then K=L/N.
4. a kind of router antenna being provided with isolation reflector according to claim 3, is characterized in that: the quantity of described aperture (K8) is six.
5. a kind of router antenna being provided with isolation reflector according to claim 2, is characterized in that: three drift angles of described leg-of-mutton circle arm (K1) are fillet.
6. a kind of router antenna being provided with isolation reflector according to claim 3, it is characterized in that: described circle arm (K1) is equilateral triangle, the inner edge length of side of described circle arm (K1) is 20mm.
7. a kind of router antenna being provided with isolation reflector according to claim 3, is characterized in that: described capacitive coupling oscillator arms (P4) is 15mm with the distance of pcb board (P1).
8. a kind of router antenna being provided with isolation reflector according to claim 3, is characterized in that: the outside of described circle arm (K1) is zigzag limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510827256.4A CN105281025A (en) | 2015-11-24 | 2015-11-24 | Router antenna with isolating and reflecting layers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827256.4A CN105281025A (en) | 2015-11-24 | 2015-11-24 | Router antenna with isolating and reflecting layers |
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| CN105281025A true CN105281025A (en) | 2016-01-27 |
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| CN201510827256.4A Pending CN105281025A (en) | 2015-11-24 | 2015-11-24 | Router antenna with isolating and reflecting layers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025532A (en) * | 2016-07-09 | 2016-10-12 | 覃梅花 | Double-layer antenna |
| CN110416726A (en) * | 2018-04-28 | 2019-11-05 | 中移(苏州)软件技术有限公司 | A kind of multifrequency decoupling network structure and multi-frequency array antenna |
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| CN102694245A (en) * | 2011-03-23 | 2012-09-26 | 株式会社村田制作所 | Antenna device |
| CN104393425A (en) * | 2014-11-24 | 2015-03-04 | 中国电子科技集团公司第五十四研究所 | Satellite navigation multisystem multi-frequency-point quadrifilar helix wide-band antenna |
| CN104577322A (en) * | 2015-01-30 | 2015-04-29 | 东莞市仁丰电子科技有限公司 | Two-in-one double-feeder multiband omnidirectional high-gain PCB (printed circuit board) antenna |
| WO2015153703A1 (en) * | 2014-04-04 | 2015-10-08 | Cisco Technology, Inc. | Dual-band printed omnidirectional antenna |
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2015
- 2015-11-24 CN CN201510827256.4A patent/CN105281025A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102694245A (en) * | 2011-03-23 | 2012-09-26 | 株式会社村田制作所 | Antenna device |
| WO2015153703A1 (en) * | 2014-04-04 | 2015-10-08 | Cisco Technology, Inc. | Dual-band printed omnidirectional antenna |
| CN104393425A (en) * | 2014-11-24 | 2015-03-04 | 中国电子科技集团公司第五十四研究所 | Satellite navigation multisystem multi-frequency-point quadrifilar helix wide-band antenna |
| CN104577322A (en) * | 2015-01-30 | 2015-04-29 | 东莞市仁丰电子科技有限公司 | Two-in-one double-feeder multiband omnidirectional high-gain PCB (printed circuit board) antenna |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025532A (en) * | 2016-07-09 | 2016-10-12 | 覃梅花 | Double-layer antenna |
| CN106025532B (en) * | 2016-07-09 | 2019-01-01 | 江苏三和欣创通信科技有限公司 | A kind of dual-layer atenna |
| CN110416726A (en) * | 2018-04-28 | 2019-11-05 | 中移(苏州)软件技术有限公司 | A kind of multifrequency decoupling network structure and multi-frequency array antenna |
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Application publication date: 20160127 |