CN107026313A - Antenna for wireless communication module - Google Patents
Antenna for wireless communication module Download PDFInfo
- Publication number
- CN107026313A CN107026313A CN201610066559.3A CN201610066559A CN107026313A CN 107026313 A CN107026313 A CN 107026313A CN 201610066559 A CN201610066559 A CN 201610066559A CN 107026313 A CN107026313 A CN 107026313A
- Authority
- CN
- China
- Prior art keywords
- adjustment arm
- antenna
- grounding parts
- feeding portion
- irradiation unit
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Abstract
The present invention is related to a kind of antenna for wireless communication module, and the antenna is included：Feeding portion, grounding parts and the first irradiation unit.The grounding parts have first end and the second end, and the first end of the grounding parts is used to be grounded, and second end of the grounding parts is connected to the first side of the feeding portion, wherein the grounding parts include the bending section adjacent to the first end.First irradiation unit includes：First adjustment arm, the second adjustment arm, first end and the second end, the first adjustment arm is connected to the second adjustment arm, the first end is connected to the second side adjacent to the feeding portion, second side is adjacent to first side and second end of the grounding parts, second end of first irradiation unit is in the described first adjustment arm, there is gap between the first adjustment arm and the bending section of the grounding parts, wherein being in the angle less than 90 degree between the second adjustment arm and the first adjustment arm.
Description
Technical field
The present invention is on the antenna for wireless communication module.More particularly the present invention relate to for radio communication
Module and the antenna with small size and excellent efficiency.
Background technology
For wireless communication technique and product, antenna product or technology occupy the key part and component of critical role.In order to be able to
Ensure stable networking capability and data speed of download, personal movable apparatus needs the antenna assembly of superior performance to strengthen it
Signal transmitting and receiving ability, so as to which obstacle during communication can be reduced.In personal portable radio, in order to increase the side of carrying
Just property, hides Antenna Design built-in and to be mutually integrated with wireless communication module is inevitable developing direction, by Antenna Design
It is the first choice of personal portable radio on a printed circuit, Antenna Design mode common at present is monopole
(Monopole) two kinds of antenna and planar inverted-F antenna (Planar Inverted-F Antenna, PIFA).However, either
Unipole antenna or PIFA antennas are all a kind of electric field antennas, therefore are highly susceptible to the dielectric material in reactive near-field
Influence, and the change of impedance is produced, cause frequency misalignment.Built-in antenna would generally face the circuit board in mobile device
Or hardware destroys antenna radiation patterns and causes radiation efficiency of the antenna in some directions low or contracted in antenna size
The problem of radiation efficiency is reduced is caused after small.
The content of the invention
An aspect of of the present present invention is related to a kind of antenna for wireless communication module, and the antenna is included：Feeding portion, connect
Ground portion and the first irradiation unit.The grounding parts have first end and the second end, and the first end of the grounding parts is used to connect
Ground, and second end of the grounding parts is connected to the first side of the feeding portion, wherein the grounding parts are including adjacent
In the bending section of the first end.First irradiation unit includes：First adjustment arm, the second adjustment arm, first end and the
Two ends, the first adjustment arm is connected to the second adjustment arm, and the first end of first irradiation unit is connected to the feedback
Enter second side in portion, the second side of the feeding portion is adjacent to the first side of the feeding portion, the institute of first irradiation unit
The second end is stated in the described first adjustment arm, between having between the first adjustment arm and the bending section of the grounding parts
Gap, wherein being in the angle less than 90 degree between the second adjustment arm and the first adjustment arm.
Another aspect of the present invention is related to a kind of wireless communication module with antenna, and the antenna is arranged at the table of substrate
On face and the wireless communication module is included：Feeding portion, ground plane, grounding parts, the first irradiation unit and the second irradiation unit.
The ground plane is located on the surface and is adjacent to the feeding portion.The grounding parts have first end and the second end, institute
The first end for stating grounding parts is capacitively coupled to the ground plane, and second end of the grounding parts be connected to it is described
First side of feeding portion, wherein the grounding parts include the bending section adjacent to the first end.First irradiation unit is used
In launch or receive first band signal and including：First adjustment arm, the second adjustment arm, first end and the second end.Institute
State the first adjustment arm and be connected to the second adjustment arm.The first end of first irradiation unit is connected to the of the feeding portion
Two sides, the first side of the second side of the feeding portion adjacent to the feeding portion.Second end of first irradiation unit
In the described first adjustment arm, there is gap between the first adjustment arm and the bending section of the grounding parts, wherein
It is in the angle less than 90 degree between the second adjustment arm and the first adjustment arm.Second irradiation unit is used to launch
Or receive the signal of second band and be connected to the 3rd side of the feeding portion, wherein the first band is different from described the
Two frequency bands.
Brief description of the drawings
Fig. 1 shows a kind of schematic diagram of wireless communication module with antenna according to an embodiment of the invention.
Fig. 2 shows the structure chart of the antenna of Fig. 1 wireless communication module.
Fig. 3 shows the current trend figure of the antenna of Fig. 1 wireless communication module.
Fig. 4 shows the reflection parameters figure of Fig. 1 antenna for wireless communication module.
Fig. 5 shows Fig. 1 antenna for wireless communication module in the efficiency chart of 2.4GHz frequency bands.
Fig. 6 shows Fig. 1 antenna for wireless communication module in the efficiency chart of 5GHz frequency bands.
Embodiment
Wireless communication module is applied to planar inverted-F antenna, it is possible to provide the variability in a higher design, in addition, by
There are grounding parts in planar inverted-F antenna, it is good compared with unipole antenna to anlistatig ability, therefore planar inverted-F antenna is compared with monopole
Antenna is adapted for carrying out on substrate.
Fig. 1 shows a kind of schematic diagram of the antenna 10 of wireless communication module 1 according to an embodiment of the invention.Fig. 2 shows
The structure chart of the antenna 10 of the wireless communication module 1 of diagram 1.The antenna 10 is arranged on the surface of substrate 2 and wrapped
Contain：Feeding portion 21, grounding parts 22, the first irradiation unit 24 and the second irradiation unit 28.The grounding parts 22 have first
The end 222 of end 221 and second, the first end 221 of the grounding parts 22 is capacitively coupled to ground plane 12, described to connect
Stratum 12 is located at the antenna 10 on the same surface of substrate 2, and second end 222 of the grounding parts is connected
To the first side 211 of the feeding portion 21, wherein the grounding parts 22 include the bending adjacent to the first end 221
Portion 23.
As shown in figure 1, in general, the ground plane with larger area can be formed on the substrate 2 of wireless communication module
12, and another empty regions 13 (empty regions 13 below such as Fig. 1) are additionally cooked up depending on demand, to supply when needed
Another antenna is used.Other metal devices can not be placed in this empty regions 11, to avoid on antenna 10 and circuit board
Other element formation are disturbed and influence the Transceiver Features of antenna 10.But now wireless communication module in R＆D direction,
It is more multi-functional with greater need for possessing in addition to desired size is compact.Thus, although electronic installation may reduce,
But in order to which the complexity for increasing more multi-functional not only circuit design is greatly improved, the number of elements used also relative increase,
Even the corner of circuit board may also be because of design requirement, it is necessary to spread ground plane 12 to set the electronics beyond antenna 10
Part.Such change is likely to result in empty regions 11 and is forced diminution, and electromagnetic interference problem becomes apparent from and reduces antenna
Radianting capacity, signal transmitting and receiving effect also therefore reduce.When the metal device on circuit board covers antenna 10, no
The frequency characteristic of the antenna 10 can be only caused to lack of proper care, meanwhile, can also interference be produced to radiation characteristic, cause antenna 10
Can not normal operating.
The present invention passes through first irradiation unit 24 with the design of the grounding parts 22 only needing to retain small empty regions
In the case of maintain antenna 10 high efficiency.As shown in Fig. 2 first irradiation unit 24 is used to launching or receiving the first frequency
The signal of band and including：The first adjustment adjustment of arm 25, second arm 26, first end 241, the second end 242.Described first
Adjustment arm 25 is connected to the second adjustment arm 26.The first end 241 is connected to the second side of the feeding portion 21
212, first side 211 of second side 212 of the feeding portion 21 adjacent to the feeding portion 21.Described
Second end 242 of one irradiation unit 24 is in the described first adjustment arm 25, and the first adjustment arm 25 connects with described
There is gap 27, the first adjustment arm 25 is by the gap 27 and institute between the bending section 23 in ground portion 22
The bending section 23 for stating grounding parts 22 is coupled, and in one embodiment of this invention, the first adjustment arm 25 with
The bending section 23 of the grounding parts 22 it is a part of substantial parallel.In one embodiment of this invention, between described
The width of gap 27 is less than 0.005 times of the wavelength corresponding to the first band, for example：The gap of 0.004 times of wavelength.
It is in then the angle theta less than 90 degree between the second adjustment arm 26 and the first adjustment arm 25.Pass through the gap
27, efficiency of the antenna 10 in the first band can get a promotion and by humorous needed for the first band
Shake path shortening.
Second irradiation unit 28 is used to launching or receiving the signal of second band and is connected to the 3rd of the feeding portion 21
Side 213, wherein the first band is different from the second band.In one embodiment of this invention, second spoke
Penetrating portion 28 includes：Prolong in Part I 281, its direction for being oriented parallel to the 3rd side 213 of the feeding portion 21
Stretch and be connected to the 3rd side 213, and Part II 282, it is connected to Part I 281 and to first spoke
Penetrate the direction extension in portion 24.By making second irradiation unit 28 extend to the opposite direction of the ground plane, the day
Efficiency of the line 10 in the second band can get a promotion.
Fig. 3 shows the current trend figure of the antenna of Fig. 1 wireless communication module.The antenna includes load point 31 and connect
Place 32.As shown in figure 3, current path 33 of the antenna in first band is flowed into by the earth point 32, and
The current path 33 substantially rough quarter-wave for being equal to the first band.In the implementation of the present invention
In example, the first band can be 2.4GHz application frequency band.Wherein described electric current corresponds to Fig. 2 in the antenna
In it is described first adjustment arm 25 in flow direction it is substantial parallel with flowing to for the bending section 23 of the grounding parts 22
And be mutually coupled through gap.Also shown in FIG. 3, current path 34 of the antenna in second band is by described
Earth point 32 is flowed into, and the substantially rough quarter-wave for being equal to the second band of the current path 34.
In one embodiment of this invention, the second band can be 5GHz application frequency band.
Fig. 4 shows the reflection parameters figure of Fig. 1 antenna applied to wireless communication module.As shown in figure 4, line 41 is
One embodiment of the invention is in 1GHz to S measured between 6.5GHz11The value of reflection parameters.As shown in figure 4, in
2.484GHz when the S11Reflection parameters can as little as -13.13dB, and S when 5.5GHz11Reflection parameters can be as little as
-12.34dB。
Fig. 5 shows Fig. 1 antenna applied to wireless communication module in the efficiency chart of 2.4GHz frequency bands.As shown in figure 5,
Line 51 is one embodiment of the invention in 2.4GHz to efficiency measured between 2.48GHz value.
Fig. 6 shows Fig. 1 antenna applied to wireless communication module in the efficiency chart of 5GHz frequency bands.As shown in fig. 6,
Line 61 is one embodiment of the invention in 5.1GHz to efficiency measured between 5.9GHz value.
The present invention the antenna applied to wireless communication module, due to its first band by first adjust arm end or
The mode that the grounding parts of residual branch of opening a way (open stub) and planar inverted-F antenna are coupled, can fully lift the antenna in institute
State the efficiency of first band and will shorten in the resonant path needed for the first band, and through only needing 0.004 times humorous
The coupling gap of vibration wave length can be further effectively using the empty regions of antenna to design the second resonance of the antenna frequently
Rate.In one embodiment of this invention, antenna can be promoted to 85% in the efficiency of the first band by 78%.In addition,
In the second band, through by the end of the second adjustment arm or residual design of the branch away from ground plane of opening a way, can fully it carry
The antenna is risen in the efficiency of the second band.In one embodiment of this invention, antenna is in the effect of the second band
Rate can lift about 12%.In the present invention, radiation sheet metal used in antenna is generally aligned in the same plane with ground plane, therefore institute
Stating the thickness of antenna can be controlled, and further reduce the overall dimensions of the antenna.And due to slotted eye (slot) need not be used
Design, unnecessary parasitic capacitance coupling effect can be avoided to reduce the design complexities of antenna.It can improve traditional double
The problem of frequency antenna efficiency is not good or oversized.
Do not define as used herein and in addition, term " substantially ", " substantial " and " about " is used to describe and consider
Small change.When being used in combination with event or situation, the term can refer to the situation that wherein event or situation clearly occur
And wherein event or situation pole are similar to situation about occurring.For example, the term can refer to less than or equal to ± 10%,
Such as less than or equal to ± 5%, less than or equal to ± 4%, less than or equal to ± 3%, less than or equal to ± 2%, be less than or equal to
± 1%, less than or equal to ± 0.5%, less than or equal to ± 0.1% or less than or equal to ± 0.05%.
In addition, pressing range format presentation amount, ratio and other numerical value herein sometimes.It should be understood that such range format
It is that in order to convenient and use for purpose of brevity, and should neatly understand, not only comprising the number for being expressly specified as scope limitation
Value, and comprising all individual numbers or the subrange being covered by the scope, as explicitly specify each numerical value and
Subrange is general.
Although describing with reference to the particular embodiment of the present invention and illustrating the present invention, these descriptions and explanation are not intended to limit this
Invention.Those skilled in the art will appreciate that, do not departing from the true spirit of the invention that is defined such as claims
And in the case of scope, various changes can be made and available equivalents are substituted.Diagram may be not necessarily drawn to scale.Attribution
Difference may be present between art recurring and physical device in manufacturing process and tolerance limit, the present invention.It may be present not specific
Other embodiments of the invention of explanation.This specification and schema should be considered as illustrative and not restrictive.It can make
Modification, so that particular case, material, material composition, method or process are adapted to the target of the present invention, spirit and scope.
All such modifications are intended to belong in the range of this claims.Although methods disclosed herein is with reference to by specific
The specific operation that order is performed is been described by, it should be appreciated that can be combined in the case where not departing from teachings of the present invention, carefully
Point or these operations of resequencing to form equivalent method.Therefore, unless special instructions herein, the order otherwise operated
And packet and the limitation of non-invention.
Claims (10)
1. a kind of antenna, the antenna is included：
Feeding portion；
Grounding parts, the grounding parts have first end and the second end, and the first end of the grounding parts is used to be grounded,
And second end of the grounding parts is connected to the first side of the feeding portion, wherein the grounding parts are including adjacent
In the bending section of the first end；
First irradiation unit, first irradiation unit includes：
First adjustment arm and the second adjustment arm, the first adjustment arm are connected to the second adjustment arm；
First end, the first end is connected to the second side of the feeding portion, and first side of the feeding portion is adjacent
In second side of the feeding portion,
Second end, second end is located in the described first adjustment arm, the institute of the first adjustment arm and the grounding parts
Stating has gap between bending section, wherein being in be less than 90 degree between the second adjustment arm and the first adjustment arm
Angle.
2. antenna according to claim 1, it further comprises：
Second irradiation unit, second irradiation unit is connected to the 3rd side of the feeding portion.
3. antenna according to claim 2, wherein first irradiation unit is used for the letter for launching or receiving first band
Number, and signal of second irradiation unit for launching or receiving second band, wherein the first band is different from
The second band.
4. antenna according to claim 1, wherein the first adjustment arm passes through the gap and the institute of the grounding parts
State bending section coupling.
5. antenna according to claim 3, wherein the width in the gap is less than the wavelength corresponding to the first band
0.005 times.
6. antenna according to claim 1, wherein the first adjustment arm and the one of the bending section of the grounding parts
Part is substantial parallel.
7. antenna according to claim 2, wherein second irradiation unit includes：
Part I, it extends to the direction of the 3rd side parallel to the feeding portion,
Part II, it is connected to the Part I and extended to the direction of first irradiation unit.
8. a kind of wireless communication module with antenna, the antenna is arranged on the surface of substrate, the wireless communication module
Comprising：
Feeding portion；
Ground plane, it is located on the surface of the substrate and is adjacent to the feeding portion；
Grounding parts, the grounding parts have first end and the second end, and the first end of the grounding parts is capacitively coupled to
The ground plane, and second end of the grounding parts is connected to the first side of the feeding portion, wherein described connect
Ground portion includes the bending section adjacent to the first end；
First irradiation unit, first irradiation unit be used for launch or receive first band signal and including：
First adjustment arm and the second adjustment arm, the first adjustment arm are connected to the second adjustment arm；
First end, the first end is connected to the second side of the feeding portion, and first side of the feeding portion is adjacent
In second side of the feeding portion,
Second end, second end is located in the described first adjustment arm, the institute of the first adjustment arm and the grounding parts
Stating has gap between bending section, wherein being in be less than 90 degree between the second adjustment arm and the first adjustment arm
Angle；
Second irradiation unit, second irradiation unit is used to launching or receiving the signal of second band and is connected to the feed-in
3rd side in portion, wherein the first band is different from the second band.
9. the wireless communication module according to claim 8 with antenna, wherein the first adjustment arm is by between described
Gap is coupled with the bending section of the grounding parts.
10. the wireless communication module according to claim 8 with antenna, wherein the width in the gap is less than described the
0.005 times of wavelength corresponding to one frequency band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066559.3A CN107026313B (en) | 2016-01-29 | 2016-01-29 | Antenna for wireless communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066559.3A CN107026313B (en) | 2016-01-29 | 2016-01-29 | Antenna for wireless communication module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107026313A true CN107026313A (en) | 2017-08-08 |
| CN107026313B CN107026313B (en) | 2020-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610066559.3A Active CN107026313B (en) | 2016-01-29 | 2016-01-29 | Antenna for wireless communication module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119743A (en) * | 2018-08-01 | 2019-01-01 | 禾邦电子(苏州)有限公司 | Electric terminal with ceramic antenna |
| CN109494454A (en) * | 2017-09-11 | 2019-03-19 | 苹果公司 | Electronic equipment with shared antenna structure and separation return path |
| CN113036424A (en) * | 2021-02-26 | 2021-06-25 | 广州小马慧行科技有限公司 | Rectifying structure and vehicle |
| CN113097701A (en) * | 2021-04-08 | 2021-07-09 | 深圳市卓睿通信技术有限公司 | Antenna structure and mobile terminal based on frequency multiplication principle |
| WO2023231496A1 (en) * | 2022-05-31 | 2023-12-07 | 惠州视维新技术有限公司 | Antenna structure and handheld device |
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| SE0102183L (en) * | 2001-03-23 | 2002-09-24 | Ericsson Telefon Ab L M | Built-in multi-band, multi-antenna system and portable communication device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109494454A (en) * | 2017-09-11 | 2019-03-19 | 苹果公司 | Electronic equipment with shared antenna structure and separation return path |
| US10804617B2 (en) | 2017-09-11 | 2020-10-13 | Apple Inc. | Electronic devices having shared antenna structures and split return paths |
| CN109119743A (en) * | 2018-08-01 | 2019-01-01 | 禾邦电子(苏州)有限公司 | Electric terminal with ceramic antenna |
| CN113036424A (en) * | 2021-02-26 | 2021-06-25 | 广州小马慧行科技有限公司 | Rectifying structure and vehicle |
| CN113097701A (en) * | 2021-04-08 | 2021-07-09 | 深圳市卓睿通信技术有限公司 | Antenna structure and mobile terminal based on frequency multiplication principle |
| CN113097701B (en) * | 2021-04-08 | 2022-12-27 | 深圳市卓睿通信技术有限公司 | Antenna structure and mobile terminal based on frequency multiplication principle |
| WO2023231496A1 (en) * | 2022-05-31 | 2023-12-07 | 惠州视维新技术有限公司 | Antenna structure and handheld device |
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| Publication number | Publication date |
|---|---|
| CN107026313B (en) | 2020-05-19 |
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