CN207781895U - A kind of mobile terminal antenna and its feeding network - Google Patents
A kind of mobile terminal antenna and its feeding network Download PDFInfo
- Publication number
- CN207781895U CN207781895U CN201820037813.1U CN201820037813U CN207781895U CN 207781895 U CN207781895 U CN 207781895U CN 201820037813 U CN201820037813 U CN 201820037813U CN 207781895 U CN207781895 U CN 207781895U
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- Prior art keywords
- antenna
- feeding network
- conductor layer
- substrate
- high frequency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004020 conductor Substances 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 42
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- 238000002955 isolation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 3
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- 238000010295 mobile communication Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of mobile terminal antenna and its feeding network, include the antenna and feeding network of a substrate and setting on the substrate, the substrate includes at least two layers of conductor layer and at least one layer of dielectric layer, conductor layer is superposed mutually with the dielectric layer, and the front and back of the substrate is respectively the first conductor layer and the second conductor layer；Antenna includes high frequency antenna radiator and high frequency antenna reference ground, the high frequency antenna radiator is arranged at least one conductor layer including first conductor layer, and high frequency antenna reference ground is arranged at least one conductor layer including second conductor layer；One end of feeding network is connect with the antenna, and the other end is connect with a signal processing module；Wherein, the high frequency antenna reference ground is connect by a feeder line with mainboard, and is connect with the low-frequency antenna reference ground on mainboard by a ground wire, for emitting low frequency signal, to realize the dual-purpose antenna module of low-and high-frequency signal.
Description
Technical field
The utility model is related to wireless communication field more particularly to a kind of it is arranged with the antenna on a piece of multilayer circuit board
And its feeding network.
Background technology
It is temporary as the technical research of target using 4G standards with the development of mobile communication technology and comprehensive commercialization of 4G standards
When come to an end.On the other hand, the high speed development of smart mobile phone has caused internet and has quickly turned from fixed desktop to mobile terminal
The revolution of shifting, and bring the exponential growth of wireless data traffic.Industry is generally predicted, the year two thousand twenty, mobile communications network are arrived
Capacity requirement be 1000 times of current network, connection number will be 10~100 times.The 5th generation movement towards the year two thousand twenty and future
Communication (5G) has become global development hot spot.
Wireless frequency spectrum is mobile communication system resource the most valuable.Currently, 6GHz frequency spectrum resources below are quite full,
And high transfer rate in 5G systems, high data density need more frequency spectrum resources to provide support, and high band (such as
Millimeter wave frequency band) possess the very abundant frequency spectrum resource not yet utilized, the demand of the high transfer rate of 5G communications can be met.
Utility model content
The utility model provides a kind of mobile terminal antenna and its feeding network, including a substrate and is arranged in the base
Antenna on plate and feeding network, the substrate include at least two layers conductor layer and at least one layer of dielectric layer, the conductor layer with
The dielectric layer is superposed mutually, and the front and back of the substrate is respectively the first conductor layer and the second conductor layer；Institute
It includes high frequency antenna radiator and high frequency antenna reference ground to state antenna, and the high frequency antenna radiator setting is including described the
In at least one conductor layer including one conductor layer, the high frequency antenna reference ground is arranged including second conductor layer
At least one conductor layer on；The feeding network is arranged in a conductor layer, and the feeding network includes several feed lines
Road, each antenna are connect at least through a feeder line with a signal processing module；The high frequency antenna reference ground can be used as
The reference ground of the radiator of low-frequency antenna, the low-frequency antenna is connect with mainboard, the high frequency antenna reference ground and low frequency letter
Number reference ground constitutes a complete low-frequency antenna.
In one specific implementation mode of the utility model, the low-frequency antenna radiator connects several metalworks, to increase
Strong signal intensity.
In one specific implementation mode of the utility model, it is provided in second conductor layer and the signal processing module
The signal island of connection is provided with the gap for being isolated with the high frequency antenna reference ground around the signal island.
In one specific implementation mode of the utility model, resistance is provided on the outside of first conductor layer and the second conductor layer
Layer, for welding resistance and anti-oxidation.
In one specific implementation mode of the utility model, several conductor layers where the high frequency antenna reference ground passed through
Hole mode connects.
In one specific implementation mode of the utility model, the antenna can be paster antenna, slot antenna or printing day
Line, and the antenna amount at least two, the antenna and the connection type of the feeding network are couple, lead directly to or metal
Via.
In one specific implementation mode of the utility model, the signal transmission line both sides of the feeding network are provided with metal
Via, for preventing signal cross-talk.
In one specific implementation mode of the utility model, substrate includes flexible PCB, class support plate, printed circuit board, pottery
Porcelain substrate, glass substrate, thermoplastic macromolecule material substrate, thermoset macromolecule material substrate, composite substrate or these
The combination of plank.
In one specific implementation mode of the utility model, the substrate is sealed by bonding techniques, surface mount, welded ball array
The forms such as dress are connected with signal processing module.
In one specific implementation mode of the utility model, the high frequency antenna is operated in 15GHz or more, has beam scanning
Function；The low-frequency antenna is operated in 15GHz or less.
By using above-mentioned technological means, it is made to have the following advantages and beneficial effect compared with prior art：
(1) antenna and feeding network are arranged on a piece of multilayer PCB circuit board the utility model, which includes
At least two layers of conductor layer and at least one layer of dielectric layer are superposed mutually, can effectively save the space of junction, and due to integrated
On a piece of circuit board, linker is omitted, can effectively reduce the frequency that junction is broken down, electronic product is integrated
Positive effect is played in change.
(2) feeder line is connected to high frequency references, and is connected with the low-frequency antenna reference ground on mainboard by a ground wire
It connects, when sending low frequency signal, which may be regarded as the radiator of low-frequency antenna, be equal to high frequency antenna and low-frequency antenna
Be combined, can between high frequency and low frequency free switching, realize that low-and high-frequency is dual-purpose, avoid caused by two kinds of antennas of setting in cost
The problem of rising, occupying more space.
(3) flexible PCB can be used as substrate in the multilayer PCB circuit board, and flexibility characteristics are suitable for most of differences
Space structure, so that it is had the wider array of scope of application, have certain universal, save because of electronic product internal measurements not
With the cost for redesigning antenna, meanwhile, when redesign, be easy to cause the unstable problem of signal reliability, and this programme can be kept away
Exempt to increase the input of additional manpower and material resources.
(4) feeding network both sides are provided with metallic vias, the crosstalk of line member signal can be effectively reduced, solve signal
Between the problem of interfering with each other.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the directions the utility model antenna field section B cross section structure figure；
Fig. 3 is the utility model feeder line area directions section C cross section structure figure；
Fig. 4 is one embodiment schematic diagram of the utility model；
Fig. 5 is the side cross-sectional structure chart of Fig. 4；
Fig. 6 is one specific embodiment schematic diagram of the utility model；
Label declaration
1- antenna fields；2- feeder lines area；The flex areas 3-；4- antennas；The first ground planes of 5-；6- signal line layers；7- second is grounded
Layer；8- the first feeder line ground planes；9- feeder signals layers；10- the second feeder line ground planes；70- substrates；The gaps 71-；
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, in conjunction with following explanation,
The advantages of the utility model and feature will be apparent from, it should be noted that attached drawing is all made of very simplified form and non-essence
Accurate ratio, only facilitating the purpose of apparent aid illustration the present embodiment.
It please refers to Fig.1 to Fig. 6, the utility model provides a kind of being integrated in a piece of PCB circuits by antenna and feeding network
Mobile terminal antenna on plate, includes the antenna and feeding network of a substrate and setting on the substrate, and substrate includes at least
Two layers of conductor layer and at least one layer of dielectric layer, conductor layer are superposed mutually with dielectric layer, and the front and back difference of substrate
For the first conductor layer and the second conductor layer；Antenna includes high frequency antenna radiator and high frequency antenna reference ground, high frequency antenna spoke
Beam is arranged at least one conductor layer including the first conductor layer, and the setting of high frequency antenna reference ground is led including second
In at least one conductor layer including body layer；Feeding network is arranged in a conductor layer, and feeding network includes several feed lines
Road, each antenna are connect at least through a feeder line with a signal processing module；Wherein, high frequency antenna reference ground passes through one
Feeder line is connect with mainboard, and high frequency antenna reference ground can be considered low-frequency antenna radiator at this time, is grounded and is set by one
The low-frequency antenna reference ground connection on mainboard is set, realizes the function of transmitting low frequency signal.It is provided with and believes in second conductor layer
The signal island of number processing module connection is provided with the gap for being isolated with high frequency antenna reference ground around signal island；First leads
It is provided with solder mask on the outside of body layer and the second conductor layer, for welding resistance and anti-oxidation；If where high frequency antenna reference ground
Dry conductor layer is connected by via mode；The signal transmission line both sides of feeding network are provided with metallic vias, for preventing letter
Number crosstalk.
Specifically, referring to Fig. 1, the substrate in the present embodiment uses flexible PCB, which includes antenna field 1, feedback
Line area 2 and bent area 3, antenna field are provided with 8 paster antennas, and the integrated 8 transmission line connection signals in feeder line area 2 handle mould
Block and antenna, and one end distance is provided with metallic vias in the both sides of every transmission lines, it is used for shielded signal and interferes, prevents
It is interfered with each other between stop signal circuit；If the antenna of the transmission line and antenna field 1 in feeder line area 2 is in same layer, transmission
Circuit carries out signal communication with antenna by the way of being directly connected to, when the antenna of transmission line and antenna field 1 in feeder line area 2
Not in same layer, transmission line is connect with antenna by the way of via or coupling；The other end of substrate by bonding techniques,
Surface mount or the mode of welded ball array encapsulation are connect with signal processing module.
This programme design uses 8 antenna radiators being connect with signal processing module, in the control of signal processing module
Under, which can also be achieved the function of beam scanning.
Further, referring to Fig. 2, Fig. 2 be the directions the present embodiment antenna field section B cross section structure figure, from up to
Include down four layers of conductive layer, is followed successively by antenna 4, the first ground plane 5, signal line layer 6 and the second ground plane 7, is led in each two
It is the dielectric layer of isolation material between electric layer, is coated with solder mask in the top layer of substrate and lowest level, prevents internal oxidation, rises and protect
Shield acts on, and signal line layer is feeder network, and conveying circuit therein is connected in processing module, passes through metallic vias or coupling
Mode is connect with antenna.
Fig. 3 is the feeder line area directions section C cross section structure figure in the present embodiment, which is respectively arranged with from top to bottom
Three layers of conductor layer, respectively the first feeder line ground plane 8, feeder signals layer 9 and the second feeder line ground plane 10, in every two layers of conductor
The dielectric layer of isolation material is provided between layer, 8 strip transmission line roads are passed through from feeder signals floor, 8 He of the first feeder line ground plane
Second feeder line ground plane 10 is connected by way of metallic vias, and metallic vias is in the both sides on every two strip transmission line road, to every
Signal in circuit plays the role of shielding, and anti-stop signal interferes with each other, and resistance is coated in the outermost upper and lower surface of substrate
Layer.
It should be appreciated that the antenna in this programme is not limited only to paster antenna, slot antenna or printed antenna etc. can also be
Other structures form does further statement by taking slot antenna as an example below in conjunction with Fig. 4 and Fig. 5 to this programme, which includes the
One ground plane 72, signals layer 74 and the second ground plane 73 are provided with 75 He of first medium layer of insulation between every two layers of conductor layer
Second dielectric layer 76, is connected between the first ground plane 72 and the second ground plane 73 by metallic vias, is used as height by gap 71
The radiator of frequency signal carries out signal transmitting.
The material of multilayer circuit board is not limited to flexible PCB among the above, can also be that other materials, such as class carry
Plate, ceramic substrate, glass substrate, thermoplastic macromolecule material substrate, thermoset macromolecule material substrate, is answered at printed circuit board
Condensation material substrate or combinations thereof etc..
Further statement is done to this programme by taking mobile phone signal transmitting antenna as an example below, refering to Fig. 6, which is arranged one
On mobile phone 91, including a mainboard 92, signal processing module 83 is provided on mainboard, it is we to be connect with signal processing module
The high-frequency emission antenna 81 of case, the transmitting antenna use flexible PCB circuit board, can change shape according to space structure, by multilayer
Signal substrate fits on the outside of mobile phone top border, and antenna area is located on the frame on mobile phone top, and feeder zone is located at mobile phone
On mainboard, the ground plane of the signal substrate is connected with the reference ground of mainboard, feeder line one end connection antenna, at the other end and signal
Module 83 is managed to be connected.
Further, a low frequency signal feeder line 82 is connected on the ground plane of high frequency antenna, the feeder line 82 with
92 signal generator connection, the radiator of the ground plane of high frequency antenna as low-frequency antenna, and the ginseng of low-frequency antenna on mainboard
It is connected on mainboard with examining, the reference ground of high frequency antenna is the radiator 101 of low frequency signal at this time, with low-frequency signal generating device
And low frequency signal reference ground forms a complete low-frequency antenna, for emitting low frequency signal；To ensure the quality of signal, high frequency
Antenna reference can also External connecting part metal component, to increase signal effect；This programme can have both high-frequency signal send with it is low
Frequency signal sending function realizes that low-and high-frequency is dual-purpose, and because the frequency phase-difference of high-frequency signal and low frequency signal is huge, from each other
Interference is not will produce.
It should be appreciated that the position of the low frequency signal feeder line 82 in the embodiment is not limited to position shown in figure,
It can be adjusted correspondingly as the case may be in actual use.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to
Above-mentioned embodiment party, even if various changes can be made to the utility model, if these variation belong to the utility model claims and
Within the scope of its equivalent technologies, then still fall among the scope of protection of the utility model.
Claims (10)
1. a kind of mobile terminal antenna and its feeding network, which is characterized in that on the substrate including a substrate and setting
Antenna and feeding network, the substrate include at least two layers conductor layer and at least one layer of dielectric layer, the conductor layer with given an account of
Matter layer is superposed mutually, and the front and back of the substrate is respectively the first conductor layer and the second conductor layer；The antenna
Including high frequency antenna radiator and high frequency antenna reference ground, the high frequency antenna radiator is arranged including first conductor
Layer including at least one conductor layer on, the high frequency antenna reference ground be arranged including second conductor layer at least
In one conductor layer；The feeding network is arranged in a conductor layer, and the feeding network includes several feeder lines, each
Antenna is connect at least through a feeder line with signal processing module；Spoke of the high frequency antenna reference ground as low-frequency antenna
The reference ground of beam, the low-frequency antenna is connect with mainboard, and the high frequency antenna reference ground and low-frequency antenna reference ground are constituted
One complete low-frequency antenna.
2. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that the low-frequency antenna
Radiator connects several metalworks, for enhancing signal strength.
3. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that second conductor
The signal island being connect with the signal processing module is provided on layer, be provided with around the signal island for the high frequency day
The gap of line reference ground isolation.
4. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that first conductor
It is provided with solder mask on the outside of layer and the second conductor layer, for welding resistance and anti-oxidation.
5. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that the high frequency antenna
Several conductor layers where reference ground are connected by via mode.
6. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that the antenna is patch
Chip antenna, slot antenna or printed antenna, and the antenna amount at least two, the company of the antenna and the feeding network
It is coupling, straight-through or metallic vias to connect mode.
7. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that the feeding network
Signal transmission line both sides be provided with metallic vias, for preventing signal cross-talk.
8. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that the substrate includes
Flexible PCB, class support plate, printed circuit board, ceramic substrate, glass substrate, thermoplastic macromolecule material substrate, thermosetting property are high
The combination of molecular material substrate, composite substrate or these planks.
9. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that the substrate passes through
Bonding techniques, surface mount, welded ball array packaged type are connected with signal processing module.
10. a kind of mobile terminal antenna according to claim 1 and its feeding network, which is characterized in that the high frequency day
Line is operated in 15GHz or more, has the function of beam scanning；The low-frequency antenna is operated in 15GHz or less.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820037813.1U CN207781895U (en) | 2018-01-10 | 2018-01-10 | A kind of mobile terminal antenna and its feeding network |
| PCT/CN2018/121482 WO2019137159A1 (en) | 2018-01-10 | 2018-12-17 | Mobile terminal antenna and feed network thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820037813.1U CN207781895U (en) | 2018-01-10 | 2018-01-10 | A kind of mobile terminal antenna and its feeding network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207781895U true CN207781895U (en) | 2018-08-28 |
Family
ID=63223060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820037813.1U Withdrawn - After Issue CN207781895U (en) | 2018-01-10 | 2018-01-10 | A kind of mobile terminal antenna and its feeding network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207781895U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258424A (en) * | 2018-01-10 | 2018-07-06 | 上海安费诺永亿通讯电子有限公司 | A kind of mobile terminal antenna and its feeding network |
| CN109888462A (en) * | 2019-03-07 | 2019-06-14 | 昆山联滔电子有限公司 | A kind of millimeter wave antenna device and electronic equipment |
| WO2019137159A1 (en) * | 2018-01-10 | 2019-07-18 | 上海安费诺永亿通讯电子有限公司 | Mobile terminal antenna and feed network thereof |
| WO2020173537A1 (en) * | 2019-02-25 | 2020-09-03 | Huawei Technologies Co., Ltd. | Transmission line for radiofrequency range current |
| CN111786096A (en) * | 2019-04-03 | 2020-10-16 | 北京小米移动软件有限公司 | Antenna and electronic equipment |
| CN113437537A (en) * | 2021-07-05 | 2021-09-24 | 维沃移动通信有限公司 | Electronic device |
-
2018
- 2018-01-10 CN CN201820037813.1U patent/CN207781895U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258424A (en) * | 2018-01-10 | 2018-07-06 | 上海安费诺永亿通讯电子有限公司 | A kind of mobile terminal antenna and its feeding network |
| WO2019137159A1 (en) * | 2018-01-10 | 2019-07-18 | 上海安费诺永亿通讯电子有限公司 | Mobile terminal antenna and feed network thereof |
| CN108258424B (en) * | 2018-01-10 | 2024-06-18 | 上海安费诺永亿通讯电子有限公司 | Mobile terminal antenna and feed network thereof |
| WO2020173537A1 (en) * | 2019-02-25 | 2020-09-03 | Huawei Technologies Co., Ltd. | Transmission line for radiofrequency range current |
| US11923587B2 (en) | 2019-02-25 | 2024-03-05 | Huawei Technologies Co., Ltd. | Transmission line for radiofrequency range current |
| CN109888462A (en) * | 2019-03-07 | 2019-06-14 | 昆山联滔电子有限公司 | A kind of millimeter wave antenna device and electronic equipment |
| CN111786096A (en) * | 2019-04-03 | 2020-10-16 | 北京小米移动软件有限公司 | Antenna and electronic equipment |
| CN111786096B (en) * | 2019-04-03 | 2023-02-21 | 北京小米移动软件有限公司 | Antenna and electronic equipment |
| CN113437537A (en) * | 2021-07-05 | 2021-09-24 | 维沃移动通信有限公司 | Electronic device |
| WO2023280069A1 (en) * | 2021-07-05 | 2023-01-12 | 维沃移动通信有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180828 Effective date of abandoning: 20240618 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180828 Effective date of abandoning: 20240618 |