CN207910054U - A kind of 2.4G high performance PCBs terminal antenna - Google Patents
A kind of 2.4G high performance PCBs terminal antenna Download PDFInfo
- Publication number
- CN207910054U CN207910054U CN201820064877.0U CN201820064877U CN207910054U CN 207910054 U CN207910054 U CN 207910054U CN 201820064877 U CN201820064877 U CN 201820064877U CN 207910054 U CN207910054 U CN 207910054U
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- China
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- radiating doublet
- pcb board
- cable
- outer layer
- high performance
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Abstract
The utility model discloses a kind of 2.4G high performance PCBs terminal antennas,Including pcb board,Radiating doublet is installed in front of the pcb board,And it is provided with lower radiating doublet below upper radiating doublet,RF cable outer layer metal pad is installed below the pcb board,And RF cable outer layer metal interior of bond pads is connected with the second metallization VIA,Parasitic radiation oscillator is installed above the pcb board,And parasitic radiation oscillator is internally connected with two-way phase inverter,The upper radiating doublet lower inner is equipped with RF cable pad,And RF cable pad is internally provided with the first metallization VIA,The lower radiating doublet upper interior is provided with RF cable outer layer net wire bonding contact,Lower section is equipped with balun on rear side of the pcb board,And balun upper end is internally connected with the first metallization VIA.It is novel that the 2.4G high performance PCB terminal antenna configurations rationally design, and with high-gain, radiation omnidirectional performance is good, Antenna Anti-jamming ability is strong.
Description
Technical field
The utility model is related to communication device technology field, specially a kind of 2.4G high performance PCBs terminal antenna.
Background technology
Any wireless network services in the prior art are increasingly extensive, higher and higher to radio network information transmission quality requirements,
Radio network information transmission requirement signal radiation power is small, ability through walls is strong, wide coverage, no signal blind area etc., it is current
2.4G terminal antennas, high-gain terminal antenna mostly use the method that Franklin leads design, and traditional design method uses metal tube
Son needs a large amount of process in production.
Common 2.4G terminal antennas are there are design technology complexity, and production is of high cost, and radio-frequency transmission line does not obtain
Shielding is so that cable participates in radiation and influences direction and influence the input impedance of antenna, and can be generated to terminal radio frequency well
A series of situations such as interference or disturbed, communications network service drop rate height poor so as to cause antenna consistency, signal are weak.
Invention content
The purpose of this utility model is to provide a kind of 2.4G high performance PCBs terminal antennas, to solve above-mentioned background technology
The common 2.4G terminal antennas of middle proposition are there are design technology complexity, and production is of high cost, and radio-frequency transmission line does not obtain
Shielding is so that cable participates in radiation and influences directional diagram and influence the input impedance of antenna, and can be produced to terminal radio frequency well
Raw interference is disturbed a series of problems, such as poor so as to cause antenna consistency, communications network service drop rate is high, signal is weak.
To achieve the above object, the utility model provides the following technical solutions：A kind of 2.4G high performance PCBs terminal antenna,
Including pcb board, radiating doublet is installed, and lower radiating doublet is provided with below upper radiating doublet in front of the pcb board, it is described
RF cable outer layer metal pad is installed below pcb board, and RF cable outer layer metal interior of bond pads is connected with the second metal
Change via, parasitic radiation oscillator is installed above the pcb board, and parasitic radiation oscillator is internally connected with two-way phase inverter, institute
It states radiating doublet lower inner and RF cable pad is installed, and RF cable pad is internally provided with the first metallization
Via, the lower radiating doublet upper interior are provided with RF cable outer layer net wire bonding contact, and lower section is installed on rear side of the pcb board
There is balanced-to-unblanced transformer, and balanced-to-unblanced transformer upper end is internally connected with the first metallization VIA, the balance-
Imbalance converter lower end is internally connected with the second metallization VIA.
Preferably, the lower upper radiating doublet is H-shaped structure, and RF cable pad and upper radiating doublet are vertically divided equally
Line overlaps.
Preferably, the lower radiating doublet is H-shaped structure, and RF cable outer layer net wire bonding contact and lower radiating doublet are perpendicular
It is overlapped to bisector.
Preferably, the parasitic radiation oscillator is by welding with two-way phase inverter into fixed structure, and two-way phase inverter is
Two-way planar fold structure.
Preferably, the balanced-to-unblanced transformer by the first metallization VIA and the second metallization VIA respectively at
Upper radiating doublet and RF cable outer layer metal pad are at connectivity structure.
Compared with prior art, the utility model has the beneficial effects that：The 2.4G high performance PCB terminal antenna configurations are reasonable
Novel design, with high-gain, radiation omnidirectional performance is good, Antenna Anti-jamming ability is strong.The parasitic radiation oscillator of this antenna passes through
Welding and two-way phase inverter are at fixed structure, and two-way phase inverter is two-way planar fold structure, can be oriented to effectively reduce
The height of device reduces reradiation loss simultaneously, and the balanced-to-unblanced transformer of this antenna passes through the first metallization VIA and the
Two metallization VIAs, at connectivity structure, can effectively reduce radio frequency respectively at upper radiating doublet and RF cable outer layer metal pad
Cable ends electric current, to reduce influence of the RF cable to impedance while reduce cable radiation or receive radiofrequency signal and interfere
Terminal device.
Description of the drawings
Fig. 1 is the utility model main structure diagram；
Fig. 2 is the utility model backsight structural representation；
Fig. 3 is the utility model side structure schematic view；
Fig. 4 is enlarged structure schematic diagram at A in the utility model Fig. 1.
In figure：1, pcb board, 2, upper radiating doublet, 3, lower radiating doublet, the 4, second metallization VIA, 5, parasitic radiation shakes
Son, 6, RF cable pad, the 7, first metallization VIA, 8, RF cable outer layer net wire bonding contact, 9, RF cable outer layer
Metal pad, 10, balanced-to-unblanced transformer, 11, two-way phase inverter.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of 2.4G high performance PCBs terminal antenna, including
Pcb board 1,1 front of pcb board is equipped with radiating doublet 2, and 2 lower section of upper radiating doublet is provided with lower radiating doublet 3, lower upper spoke
It is H-shaped structure to penetrate oscillator 2, and RF cable pad 6 and 2 vertical bisector of upper radiating doublet overlap, and lower radiating doublet 3 is H
Shape structure, and RF cable outer layer net wire bonding contact 8 and 3 vertical bisector of lower radiating doublet overlap, upper radiating doublet 2 and lower spoke
It penetrates oscillator 3 and is all made of 75 ohm that the design of H-shaped oscillator can make the input impedance of antenna from conventional dipole and drop to 50 ohm, enable
Matching effect is more excellent, and 1 lower section of pcb board is equipped with RF cable outer layer metal pad 9, and RF cable outer layer metal pad
9 are internally connected with the second metallization VIA 4, and 1 top of pcb board is equipped with parasitic radiation oscillator 5, and inside parasitic radiation oscillator 5
Be connected with two-way phase inverter 11, parasitic radiation oscillator 5 by welding and two-way phase inverter 11 at fixed structure, and two-way phase inverter
11 be two-way planar fold structure, this structure can effectively reduce the height of two-way phase inverter 11 while reduce reradiation damage
Consumption, and the influence to antenna feed impedance can be reduced as possible in the case where improving antenna gain using parasitic radiation oscillator 5,
2 lower inner of upper radiating doublet is equipped with RF cable pad 6, and RF cable pad 6 is internally provided with the first metal
Change via 7, lower 3 upper interior of radiating doublet is provided with RF cable outer layer net wire bonding contact 8, and 1 rear side lower section of pcb board is equipped with
Balanced-to-unblanced transformer 10, and 10 upper end of balanced-to-unblanced transformer is internally connected with the first metallization VIA 7, balance-
Imbalance converter 10 is by the first metallization VIA 7 and the second metallization VIA 4 respectively at upper radiating doublet 2 and RF cable
Outer layer metal pad 9 can effectively reduce RF cable end current at connectivity structure, this structure, to reduce RF cable pair
The influence of impedance reduces cable radiation or receives radiofrequency signal and interfered with terminal equipment simultaneously, since RF cable influence almost may be used
To ignore so that the versatility of antenna is very strong, avoids and need the manpower of design iterations to waste different machines, balance-injustice
10 lower end of weighing apparatus converter is internally connected with the second metallization VIA 4.
Operation principle：When using the 2.4G high performance PCB terminal antennas, first checking this antenna, whether there is or not damaged, crackings etc.
Situation begins to use if all are intact, and all electrical radiation parts of this antenna are designed by the copper sheet on pcb board 1 and realized, leads to
Cross that radio frequency coaxial-cable is connected in antenna feed location can be by microwave signal transmission to terminal device, upper radiating doublet
2 and lower radiating doublet 3 designed with H-type and be effectively improved the input impedance characteristic of antenna, parasitic radiation oscillator 5 is using coupling parasitic
Method is conducive to antenna and keeps impedance matching good, while can improve antenna using 11 guider of two-way phase inverter of planar fold
Radiation characteristic, balanced-to-unblanced transformer 10 improves Antenna Anti-jamming performance and logical improving antenna direction characteristic simultaneously
With property, this antenna all constituents are arranged on pcb board 1, and design structure is succinct while improving antenna performance, produces
It is efficient, manufacturing cost is low, improve consistency, the versatility of product.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of 2.4G high performance PCBs terminal antenna, including pcb board（1）, it is characterised in that：The pcb board（1）It installs in front
There is upper radiating doublet（2）, and upper radiating doublet（2）Lower section is provided with lower radiating doublet（3）, the pcb board（1）Lower section is equipped with
RF cable outer layer metal pad（9）, and RF cable outer layer metal pad（9）It is internally connected with the second metallization VIA（4）,
The pcb board（1）Top is equipped with parasitic radiation oscillator（5）, and parasitic radiation oscillator（5）It is internally connected with two-way phase inverter
（11）, the upper radiating doublet（2）Lower inner is equipped with RF cable pad（6）, and RF cable pad（6）It is internal
It is provided with the first metallization VIA（7）, the lower radiating doublet（3）Upper interior is provided with RF cable outer layer net wire bonding contact
（8）, the pcb board（1）Balanced-to-unblanced transformer is installed below rear side（10）, and balanced-to-unblanced transformer（10）On
End is internally connected with the first metallization VIA（7）, the balanced-to-unblanced transformer（10）Lower end is internally connected with the second metal
Change via（4）.
2. a kind of 2.4G high performance PCBs terminal antenna according to claim 1, it is characterised in that：The upper radiating doublet
（2）For H-shaped structure, and RF cable pad（6）With upper radiating doublet（2）Vertical bisector overlaps.
3. a kind of 2.4G high performance PCBs terminal antenna according to claim 1, it is characterised in that：The lower radiating doublet
（3）For H-shaped structure, and RF cable outer layer net wire bonding contact（8）With lower radiating doublet（3）Vertical bisector overlaps.
4. a kind of 2.4G high performance PCBs terminal antenna according to claim 1, it is characterised in that：The parasitic radiation is shaken
Son（5）Pass through welding and two-way phase inverter（11）At fixed structure, and two-way phase inverter（11）For two-way planar fold structure.
5. a kind of 2.4G high performance PCBs terminal antenna according to claim 1, it is characterised in that：The balanced-unbalanced
Converter（10）Pass through the first metallization VIA（7）With the second metallization VIA（4）Respectively at upper radiating doublet（2）And radio frequency line
Cable outer layer metal pad（9）At connectivity structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820064877.0U CN207910054U (en) | 2018-01-16 | 2018-01-16 | A kind of 2.4G high performance PCBs terminal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820064877.0U CN207910054U (en) | 2018-01-16 | 2018-01-16 | A kind of 2.4G high performance PCBs terminal antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910054U true CN207910054U (en) | 2018-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820064877.0U Expired - Fee Related CN207910054U (en) | 2018-01-16 | 2018-01-16 | A kind of 2.4G high performance PCBs terminal antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112533096A (en) * | 2019-09-17 | 2021-03-19 | 华为技术有限公司 | Bluetooth earphone |
-
2018
- 2018-01-16 CN CN201820064877.0U patent/CN207910054U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112533096A (en) * | 2019-09-17 | 2021-03-19 | 华为技术有限公司 | Bluetooth earphone |
| CN112533096B (en) * | 2019-09-17 | 2022-04-05 | 华为技术有限公司 | Bluetooth earphone |
| EP4024886A4 (en) * | 2019-09-17 | 2022-09-14 | Huawei Technologies Co., Ltd. | Bluetooth earphone |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20220116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |