CN207637991U - A kind of mobile phone metallic plate radiating antenna of annular resonant structure - Google Patents
A kind of mobile phone metallic plate radiating antenna of annular resonant structure Download PDFInfo
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- CN207637991U CN207637991U CN201721495192.3U CN201721495192U CN207637991U CN 207637991 U CN207637991 U CN 207637991U CN 201721495192 U CN201721495192 U CN 201721495192U CN 207637991 U CN207637991 U CN 207637991U
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- China
- Prior art keywords
- metallic plate
- metal strip
- inductor
- circuit
- mobile phone
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Abstract
The utility model discloses a kind of mobile phone metallic plate radiating antenna of annular resonant structure, is related to antenna for mobile phone field.The mobile phone radiation antenna of annular resonant structure includes metal strip, ground path and feeder line, connection is connected with metallic plate for described metal strip one end, the metal strip is connected to the signal source on metallic plate by feeder line, the metal strip is connected to the ground potential on metallic plate by ground path, further include the circuit for including inductor, described circuit one end comprising inductor is connect with metal strip.The mobile phone metallic plate radiating antenna of the utility model forms three annular resonant structures, in the case where not influencing PIFA antenna modes of resonance three times, this resonant structure generates a new subresonance mould simultaneously, can be operated in the intermediate bands of antenna, to effectively promote the bandwidth performance of antenna.
Description
Technical field
The utility model is related to antenna for mobile phone fields more particularly to a kind of mobile phone metallic plate of annular resonant structure to radiate day
Line.
Background technology
Smart mobile phone design homogeneity is serious, and screen has become the new designer trends of mobile phone, more and more brands comprehensively
Flagship Unit-type sclection will shield innovation direction of the accounting maximization as New Generation of Intelligent mobile phone.Although comprehensive screen mobile phone is consumer
Completely new experience from appearance and is visually brought, but it brings huge problem and challenge to Antenna Design.Because screen accounts for
It is exactly maximumlly to tie up the effective area of antenna than maximized result, the final radiation efficiency and bandwidth for influencing antenna makes
It is difficult to the communications band for covering domestic all LTE.
In general, it can solve the above problems there are two types of method：
First, by way of increasing income, power amplifier is improved in the transmitting terminal of radio frequency（Power Amplifier）Work(
Rate, to make up the decaying of antenna efficiency；Second is that increase antenna number, the frequency range for being then responsible for each antenna by multiplexer
It is grouped together.
Both the above method is disadvantageous in that：
First method needs to support the filter of higher power, and the power consumption of mobile phone is made to increase；Second method can account for
With the limited space of interior of mobile phone, especially under mimo antenna environment, limitation spatially will be more stringent.
Utility model content
The purpose of this utility model is to connect a metal strip on a metal plate, is connected by circuit one end comprising inductor
Metal strip covers the mobile phone metal radiation antenna of domestic all LTE frequency ranges to reach.
The technical solution of the utility model is as follows：
A kind of mobile phone metallic plate radiating antenna of annular resonant structure, including metal strip, ground path and feeder line, institute
It states metal strip one end and connection is connected with metallic plate, the metal strip is connected to the signal source on metallic plate, institute by feeder line
The ground potential that metal strip is connected to by ground path on metallic plate is stated, further includes the circuit for including inductor, it is described to include electricity
Circuit one end of sensor is connect with metal strip.
Capacitive parasitic ingredient is formed between above-mentioned circuit and metallic plate comprising inductor.
One end of the above-mentioned connection metal strip comprising inductor be head end, the circuit comprising inductor it is another
End is end, and the head end projects to the shortest straight line distance on same plane with end and is more than 10mm.
The shortest distance that the above-mentioned metal strip other end to the circuit head end comprising inductor projects on same plane is less than
15mm。
The above-mentioned circuit comprising inductor is the circuit comprising capacitor and inductor, and the metal strip is by including capacitance
On the connection to metallic plate of device and inductor.
One end of the above-mentioned connection metal strip comprising capacitor and inductor is head end, and described includes capacitor and electricity
One end of the connection metallic plate of sensor is end, and the head end projects to the shortest straight line distance on same plane with end
More than 10mm.
The head end of above-mentioned the metal strip other end to capacitor and the circuit of inductor projects to the most short distance on same plane
From less than 15mm.
The above-mentioned circuit comprising inductor is the circuit comprising capacitor and inductor, and the metal strip is by including capacitance
On the connection to ground path of device and inductor.
One end of the above-mentioned connection metal strip comprising capacitor and inductor is head end, and described includes capacitor and electricity
One end of the connection ground path of sensor is end, the head end and end project to the shortest straight line on same plane away from
From more than 10mm.
The head end of above-mentioned the metal strip other end to capacitor and the circuit of inductor projects to the most short distance on same plane
From less than 15mm.
The beneficial effects of the utility model：The mobile phone metallic plate radiating antenna of the utility model forms three annular resonance knots
Structure, in the case where not influencing PIFA antenna modes of resonance three times, this resonant structure generates a new subresonance mould simultaneously, can
To be operated in the intermediate bands of antenna, to effectively promote the bandwidth performance of antenna；Even if the utility model antenna for mobile phone has
The width of effect area is limited in 1 to 3mm, and antenna can also cover domestic all LTE frequency ranges, without the additional power consumption for increasing mobile phone
And manufacturing cost；Merely with a metal strip on the intrinsic metallic plate of mobile phone as antenna coupling configuration, to excite metal
Plate itself becomes signal amplitude beam, can completely abolish traditional built-in aerial, substantially saves the cost of raw material of antenna for mobile phone
With the time cost of antenna installation.
Description of the drawings
Fig. 1 is the mobile phone metallic plate radiator antenna structure figure of the annular resonant structure of embodiment 1；
Fig. 2 is the mobile phone metallic plate radiator antenna structure figure of the annular resonant structure of embodiment 2；
Fig. 3 is the mobile phone metallic plate radiator antenna structure figure of the annular resonant structure of embodiment 3；
Fig. 4 is the annular resonant structure figure of embodiment 1 to 3.
In figure：1- metal strips, 2- feeder lines, 3- ground paths, 4- include the circuit of capacitor and inductor, 5- capacitances
Device, 6- inductors, 7- metallic plates, 11- metal strips, 12- feeder lines, 13- ground paths, 14- include capacitor and inductor
Circuit, 15- capacitors, 16- inductors, 17- metallic plates, 21- metal strips, 22- feeder lines, 23- ground paths, 24- packets
Circuit containing inductor, 25- inductors, 26- metallic plates.
Specific implementation mode
In order to better illustrate the utility model, it is further described in conjunction with embodiment and attached drawing.
Embodiment 1
As shown in Figure 1, a kind of mobile phone metallic plate radiating antenna of annular resonant structure, including metal strip 21, ground path
22 and feeder line 23,21 one end of metal strip is connected with the conducting of metallic plate 26, and metal strip 21 is connected to gold by feeder line 22
Belong to the signal source on plate 26, metal strip 21 is connected to the ground potential on metallic plate 26 by ground path 23, further includes comprising electricity
The circuit 24 of sensor, including 24 one end of circuit of inductor is connect with metal strip 21；Include the circuit 24 and metallic plate of inductor
Capacitive parasitic ingredient is formed between 26；To which the circuit 24 comprising inductor has the function of inductor 25 and capacitor；It is preferred that
, including one end that the circuit 24 of inductor connects metal strip 21 is head end E, including the other end of the circuit 24 of inductor is end
End F, head end E and end F project to the shortest straight line distance on same plane and are more than 10mm；21 other end of metal strip is to inductor
Circuit 24 head end E project to the shortest distance on same plane be less than 15mm.
As shown in figure 4, in the present embodiment, three annular resonant structures play key work to the radiation bandwidth of antenna
With.First annular resonant structure is by shape between the circuit 24 comprising capacitor, the circuit 24 comprising inductor and metallic plate 26
It is constituted at capacitive parasitic ingredient, metallic plate 26 and 21 coupling part of metal strip, the basic resonance of this resonant structure is arrived in 700MHz
900MHz forms ring current distribution, and field coupling is generated between metallic plate 26, and excitation metallic plate 26 becomes radiator；Separately
Outside, first annular resonant structure is coupled out subresonance simultaneously, the coefficient of coup by the circuit 24 comprising capacitor length
It determines, and generates electromagnetic coupling between the frequency range of 1500MHz to 1800MHz and metallic plate 26, excitation metallic plate 26 becomes spoke
Beam.The basic resonant frequency and subresonance frequency of first annular resonant structure all by the circuit 24 comprising inductor with
Capacitive parasitic Composition Control is formed between metallic plate 26, subresonance frequency can also pass through the circuit 24 comprising inductor and gold
Capacitive parasitic ingredient is formed between category plate 26 and inductor 25 controls respectively；Second annular resonant structure by feeder line 22,
Coupling part is constituted between metal strip 21 and metallic plate 26, and frequency range of this resonant structure in 2GHz to 2.4GHz forms ring current
Distribution, and generates electromagnetic coupling between metallic plate 26, and excitation metallic plate 26 becomes radiator, second annular resonant structure
Resonant frequency can be controlled by the position of feeder line 22 and metal strip 21 and the link position of metallic plate 26.Third annular
Resonant structure is made of feeder line 22 and ground path 23, this resonant structure passes through electromagnetic field in 2.5GHz to 2.7GHz frequency ranges
Coupling effect excites three subresonances of metal strip 21, and electromagnetic coupling is generated between metallic plate 26, and excitation metallic plate 26 becomes
Radiator, third annular resonant structure resonant frequency determined by the length of metal strip 21, can also be on ground path 23
Matching is set without device to realize the control to resonant frequency.
Embodiment 2
As shown in Fig. 2, it is a kind of annular resonant structure mobile phone metallic plate radiating antenna, including metal strip 1, feeder line 2,
Ground path 3 and circuit 4 comprising capacitor and inductor, 1 one end of metal strip are connected with the conducting of metallic plate 7, and metal strip 1 is logical
The signal source that feeder line 2 is connected on metallic plate 7 is crossed, metal strip 1 is connected to the electricity of the ground on metallic plate 7 by ground path 3
Position, metal strip 1 are connected to by the circuit 4 comprising capacitor and inductor on metallic plate 7.Preferably, including capacitor and electricity
One end that the circuit 4 of sensor connects metal strip 1 is head end A, includes the one of the circuit 4 of capacitor and inductor connection metallic plate 7
End is that end B, head end A and end B project to the shortest straight line distance on same plane more than 10mm；1 other end of metal strip is extremely
Including the head end A of the circuit 4 of capacitor and inductor, which projects to the shortest distance on same plane, is less than 15mm.
As shown in figure 4, in the present embodiment, three annular resonant structures play key work to the radiation bandwidth of antenna
With.First annular resonant structure is by 1 coupling part structure of the circuit 4 comprising capacitor and inductor, metallic plate 7 and metal strip
At the basic resonance of this resonant structure forms ring current distribution in 700MHz to 900MHz, and generates electricity between metallic plate 7
Field coupling, excitation metallic plate 7 become radiator；In addition, first annular resonant structure is coupled out subresonance simultaneously, couple
Coefficient determines by the length comprising capacitor and the circuit 4 of inductor, and in the frequency range of 1500MHz to 1800MHz and metallic plate 7
Between generate electromagnetic coupling, excitation metallic plate 7 becomes radiator.The basic resonant frequency of first annular resonant structure and secondary
Resonant frequency is all controlled by capacitor 5, and subresonance frequency can also respectively be controlled by capacitor 5 and inductor 6；Second
It is a annular resonant structure be made of coupling part between feeder line 2, metal strip 1 and metallic plate 7, this resonant structure 2GHz extremely
The frequency range of 2.4GHz forms ring current distribution, and electromagnetic coupling is generated between metallic plate 7, and excitation metallic plate 7 becomes radiation
The resonant frequency of body, second annular resonant structure can pass through the company of the position and metal strip 1 and metallic plate 7 of feeder line 2
Connect position control.Third annular resonant structure is made of feeder line 2 and ground path 3, this resonant structure is arrived in 2.5GHz
2.7GHz frequency ranges excite three subresonances of metal strip 1 by electromagnetic field couples effect, and electromagnetism coupling is generated between metallic plate 7
It closes, excitation metallic plate 7 becomes radiator, and the resonant frequency of third annular resonant structure is determined by the length of metal strip 1, also may be used
The control to resonant frequency is realized so that matching is arranged on ground path 3 without device.
Embodiment 3
As shown in figure 3, a kind of mobile phone metallic plate radiating antenna of annular resonant structure, including metal strip 11, feeder line
12, ground path 13 and the circuit 14 comprising capacitor and inductor, 11 one end of metal strip are connected with the conducting of metallic plate 17, gold
Belong to item 11 and the signal source on metallic plate 17 is connected to by feeder line 12, metal strip 11 is connected to metal by ground path 13
Ground potential on plate 17, metal strip 11 are connected to by the circuit 14 comprising capacitor and inductor on ground path 13.It is preferred that
, including one end of the circuit 14 of capacitor and inductor connection metal strip 11 is head end C, include the line of capacitor and inductor
One end that road 14 connects ground path 13 is that project to the shortest straight line distance on same plane big by end D, head end C and end D
In 10mm.The head end C of 11 other end of metal strip to the circuit 14 comprising capacitor and inductor is projected on same plane most
Short distance is less than 15mm.
As shown in figure 4, in the present embodiment, three annular resonant structures play key work to the radiation bandwidth of antenna
With.First annular resonant structure is by the circuit 14 comprising capacitor and inductor, 13 part circuit of ground path, metallic plate 17
It being constituted with 11 coupling part of metal strip, the basic resonance of this resonant structure forms ring current distribution in 700MHz to 900MHz,
And field coupling is generated between metallic plate 17, excitation metallic plate 17 becomes radiator；In addition, first annular resonant structure is same
When be coupled out subresonance, the coefficient of coup is determined by the length comprising capacitor and the circuit 14 of inductor, and in 1500MHz
To electromagnetic coupling is generated between the frequency range and metallic plate 17 of 1800MHz, excitation metallic plate 17 becomes radiator.First annular is total
The basic resonant frequency and subresonance frequency for structure of shaking all are controlled by capacitor 15, and subresonance frequency can also pass through electricity
Container 15 and inductor 16 control respectively；Second annular resonant structure by feeder line 12, metal strip 11 and metallic plate 17 it
Between coupling part constitute, this resonant structure 2GHz to 2.4GHz frequency range formed ring current distribution, and with metallic plate 17 it
Between generate electromagnetic coupling, excitation metallic plate 17 becomes radiator, and the resonant frequency of second annular resonant structure can pass through feedback
The position of electric line 12 and metal strip 11 and the link position of metallic plate 17 control.Third annular resonant structure is by feeder line
12 and ground path 13 constitute, this resonant structure 2.5GHz to 2.7GHz frequency ranges pass through electromagnetic field couples effect excitation metal strip
11 three subresonances, and electromagnetic coupling is generated between metallic plate 17, excitation metallic plate 17 becomes radiator, and third annular is altogether
The resonant frequency for structure of shaking is determined by the length of metal strip 11, and matching can also be arranged on ground path 13 and realized without device
Control to resonant frequency.
Claims (10)
1. a kind of mobile phone metallic plate radiating antenna of annular resonant structure, including metal strip, ground path and feeder line, described
Connection is connected with metallic plate for metal strip one end, and the metal strip is connected to the signal source on metallic plate by feeder line, described
Metal strip is connected to the ground potential on metallic plate by ground path, it is characterised in that：Further include the circuit for including inductor, institute
Circuit one end comprising inductor is stated to connect with metal strip.
2. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 1, it is characterised in that：It is described to include electricity
Capacitive parasitic ingredient is formed between the circuit and metallic plate of sensor.
3. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 2, it is characterised in that：It is described to include electricity
One end of the connection metal strip of sensor is head end, and the other end of the circuit comprising inductor is end, the head end
The shortest straight line distance on same plane, which is projected to, with end is more than 10mm.
4. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 2, it is characterised in that：The metal strip
The head end of the other end to the circuit comprising inductor projects to the shortest distance on same plane and is less than 15mm.
5. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 1, it is characterised in that：It is described to include electricity
The circuit of sensor is the circuit comprising capacitor and inductor, and the metal strip is connected by the circuit comprising capacitor and inductor
It is connected on metallic plate.
6. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 5, it is characterised in that：It is described to include electricity
One end of the connection metal strip of container and inductor is head end, the connection metal for including capacitor and inductor
One end of plate is end, and the head end projects to the shortest straight line distance on same plane with end and is more than 10mm.
7. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 5, it is characterised in that：The metal strip
The head end of the other end to capacitor and the circuit of inductor projects to the shortest distance on same plane and is less than 15mm.
8. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 1, it is characterised in that：It is described to include electricity
The circuit of sensor is the circuit comprising capacitor and inductor, and the metal strip is connected by the circuit comprising capacitor and inductor
It is connected on ground path.
9. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 8, it is characterised in that：It is described to include electricity
One end of the connection metal strip of container and inductor is head end, the connection ground connection comprising capacitor and inductor
One end of circuit is end, and the head end projects to the shortest straight line distance on same plane with end and is more than 10mm.
10. the mobile phone metallic plate radiating antenna of annular resonant structure according to claim 8, it is characterised in that：The metal
The circuit of the other end to capacitor and inductor has head end to project to the shortest distance on same plane to be less than 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495192.3U CN207637991U (en) | 2017-11-10 | 2017-11-10 | A kind of mobile phone metallic plate radiating antenna of annular resonant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721495192.3U CN207637991U (en) | 2017-11-10 | 2017-11-10 | A kind of mobile phone metallic plate radiating antenna of annular resonant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207637991U true CN207637991U (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721495192.3U Expired - Fee Related CN207637991U (en) | 2017-11-10 | 2017-11-10 | A kind of mobile phone metallic plate radiating antenna of annular resonant structure |
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| Country | Link |
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| CN (1) | CN207637991U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808993A (en) * | 2017-11-10 | 2018-03-16 | 深圳汉阳天线设计有限公司 | A kind of mobile phone metallic plate radiating antenna of annular resonant structure |
-
2017
- 2017-11-10 CN CN201721495192.3U patent/CN207637991U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808993A (en) * | 2017-11-10 | 2018-03-16 | 深圳汉阳天线设计有限公司 | A kind of mobile phone metallic plate radiating antenna of annular resonant structure |
| CN107808993B (en) * | 2017-11-10 | 2024-01-19 | 深圳汉阳天线设计有限公司 | Mobile phone metal plate radiation antenna with annular resonance structure |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20181110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |