CN103579754B - Antenna and the method being used for forming antenna - Google Patents
Antenna and the method being used for forming antenna Download PDFInfo
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Abstract
Providing a kind of antenna and for the method forming antenna, it is applied to the electronic equipment in the comunication area that shell includes being made of an electrically conducting material.Described antenna includes: the first gap, is positioned on the described comunication area, for radiating the signal of first frequency bandwidth；Second gap, is positioned on the described comunication area, and for radiating the signal of second frequency bandwidth, the frequency of the signal of this second frequency bandwidth is higher than the frequency of the signal of described first frequency bandwidth；Medium substrate, including first surface and the second surface opposing with described first surface, covers described first gap and the second gap by described first surface；And microstrip-fed portion, it is set to connect the second surface of described medium substrate, for encouraging described first gap and the radiation in the second gap.In the technique scheme of the embodiment of the present invention, the antenna of electronic equipment has good performance, and makes electronic equipment have good metal-like and ultrathin design simultaneously.
Description
Technical field
The present invention relates to the communications field, more particularly, to a kind of antenna with for the method forming antenna.
Background technology
In recent years, along with the fast development of mobile communication technology, occur in that various types of electronic equipment,
Such as computer, personal digital assistant, intelligent communications terminal etc..Described electronic equipment has antenna to pass
Transmission information and data etc..Additionally, described electronic equipment is as the daily electronic product carried of user, outside it
See design also to be paid close attention to by user.Such as, the thickness of electronic equipment and the requirement of metal-like are got over by user
Coming the highest, ultra-thin and metal-like becomes a kind of trend of mobile terminal design.Therefore, not only expect to make
Electronic equipment for mobile communication equipment has excellent antenna performance it is also expected to this electronic equipment has good
Good metal-like.
As a example by mobile communication equipment, the Antenna Design of described mobile communication equipment generally uses the flat of routine
Face inverse-F antenna (PIFA, Planar Inverted F Antenna) or unipole antenna carry out built-in aerial
Design, described built-in aerial is all easily affected by all-metal back cover, is caused the deterioration of antenna performance.For
This, a kind of existing solution be the all-metal back cover to mobile communication equipment do local empty process,
To meet the radiance of antenna.But, this local is emptied process and is reduced outside mobile communication equipment
See the aesthetic feeling of design, and the bulk metal texture of mobile communication equipment is lowered, also reduce simultaneously
The Structural Strength Design of ultrathin mobile communication equipment.
Additionally, there are electronic equipment and use the antenna design of microstrip-fed gap radiation principle, this sky
Line there is also easily to be held to and is made the problem of antenna performance degradation, and the most microstrip-fed gap is also
Affect outward appearance and the structure design of electronic equipment.
Therefore, the existing Antenna Design of electronic equipment is difficult to while ensureing antenna performance make electronic equipment
There is good metal-like.
Summary of the invention
Embodiments providing a kind of antenna and for the method forming antenna, it can make electronics set
Standby antenna has good performance and makes electronic equipment have good metal-like simultaneously.
On the one hand, it is provided that a kind of antenna, be applied to electronic equipment, the shell of this electronic equipment include by
The comunication area that conductive material is made, described antenna includes: the first gap, is positioned on the described comunication area, uses
Signal in radiation first frequency bandwidth；Second gap, is positioned on the described comunication area, for radiation second
The signal of frequency bandwidth, the frequency of the signal of this second frequency bandwidth is higher than the letter of described first frequency bandwidth
Number frequency；Medium substrate is including first surface and the second surface opposing with described first surface, logical
Cross described first surface and cover described first gap and the second gap；And microstrip-fed portion, it is set to even
Connect the second surface of described medium substrate, for encouraging described first gap and the radiation in the second gap.
Preferably, described electronic equipment can be the mobile communication terminal with metal edge frame, described metal
The comunication area that the base plane of frame can be positioned at as described first gap and the second gap.
Preferably, described first gap and/or the second gap are used as the sound transmission of described electronic equipment
Hole.
Preferably, the beeline between described first gap and the second gap can be more than 3 millimeters, thus
Avoid the interference between the signal of first frequency bandwidth and the signal of second frequency bandwidth.Described first gap
Reduce by increasing the dielectric constant of described medium substrate with the area in the second gap.
Preferably, described microstrip-fed portion can be connected to the letter of electronic equipment by antenna broadband matching network
Number transceiver, thus the described first frequency bandwidth of antenna described in broadening and/or second frequency bandwidth.
Preferably, described antenna can be used for transmitting at least one in following signal of communication: satellite-signal,
Wireless network signal and Bluetooth signal.
Preferably, the shell of described electronic equipment is full metal jacket.
On the other hand, it is provided that a kind of method for forming antenna, it is applied to electronic equipment, this electronics
The shell of equipment includes that the comunication area being made of an electrically conducting material, described method include: on the described comunication area
Form the first gap being used for radiating the signal of first frequency bandwidth；The described comunication area is formed for spoke
Penetrating the second gap of the signal of second frequency bandwidth, the frequency of the signal of this second frequency bandwidth is higher than described
The frequency of the signal of first frequency bandwidth；Described first gap and the second gap cover medium substrate,
This medium substrate include covering described first gap and the first surface in the second gap and with described first surface
Opposing second surface；And be provided for encouraging described first seam at the second surface of described medium substrate
The microstrip-fed portion of the radiation in gap and the second gap.
At the above-mentioned antenna of the embodiment of the present invention with in the technical scheme of the method forming antenna, pass through
Using the conductor casing of electronic equipment as the part of antenna, and two gaps in conductor casing are utilized
The signal of radiation different frequency bandwidth so that the antenna of electronic equipment has good performance, and makes simultaneously
Electronic equipment has good metal-like and ultrathin design.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to embodiment or existing skill
In art description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below
It is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property work on the premise of, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 illustrates the structure of antenna according to embodiments of the present invention；
Fig. 2 illustrates the schematic diagram of the antenna slots in the comunication area according to embodiments of the present invention；
Fig. 3 illustrates the schematic block diagram of the feed circuit of antenna according to embodiments of the present invention；
Fig. 4 illustrates the flow chart of the method for forming antenna according to embodiments of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment be a part of embodiment of the present invention rather than
Whole embodiments.
Antenna according to embodiments of the present invention can be applicable to have in shell by conductive material (such as metal)
Any electronic equipment in the comunication area (i.e. conduction region) made, such as computer, personal digital assistant,
Intelligent communications terminal etc..The shell of this electronic equipment can be full metal jacket.
Fig. 1 illustrates the structure of antenna 10 according to embodiments of the present invention.Described antenna 10 is based on micro-
Principle with feed gaps antenna.Described antenna 10 includes: the first gap 11, is positioned at electronic equipment
On the comunication area of shell, for radiating the signal of first frequency bandwidth；Second gap 12, is positioned at described logical
In letter district, for radiating the signal of second frequency bandwidth, the frequency of the signal of this second frequency bandwidth is higher than
The frequency of the signal of described first frequency bandwidth；Medium substrate 13, including first surface with described first
The second surface of surface opposite, covers described first gap and the second gap by described first surface；With
And microstrip-fed portion 14, it is set to connect the second surface of described medium substrate, is used for encouraging described first
Gap and the radiation in the second gap.
Described first gap 11 and second of upper formation in the comunication area (i.e. the comunication area) of the shell of electronic equipment
Gap 12.Described first gap 11 and the both sides in the second gap 12 and part therebetween are electronics
The comunication area (i.e. conductor casing) of equipment.It is (low again and again that first gap 11 is used for radiating first frequency bandwidth
Band) signal；Second gap 12 is used for radiating the signal of second frequency bandwidth (high frequency band).Can lead to
Described first gap 11 and the length and width in the second gap 12 is designed so that described antenna after ordinatedly
10 have wide frequency bandwidth, thus meet the communication needs of the multiband of antenna.
Described first gap 11 and the second gap 12 can be located at outside the conductor of electronic equipment according to actual needs
Any position of shell.In the case of electronic equipment is the mobile communication terminal with metal edge frame, permissible
The base plane of described metal edge frame is as described first gap 11 and communicating that the second gap 12 is positioned at
District.Now, described first gap 11 and the second gap 12 are designed in the bottom of electronic equipment, a side
Face, this head away from people of can trying one's best, thus effectively reduce the impact of the Radiation On Human body of antenna；Separately
On the one hand, user is the most less holds antenna, holds sky such that it is able to be greatly reduced user
The linearly impact of energy.
Sound transfer port is set (includes sending words hole and broadcasting additionally, typically require in described electronic equipment
Hole) carry out voice communication.At least one in described first gap 11 and the second gap 12 can be utilized
The individual sound transfer port as described electronic equipment, thus avoid that special sound is set at electronic equipment and pass
Send hole.As such, it is possible to reduce the impact that appearance design and structure are designed by gap further, and permissible
Effectively save taking up room in Antenna Design cost and structure so that electronic equipment can be designed to more
Frivolous and there is metal-like.
The first surface of described medium substrate 13 covers described first gap 11 and the second gap 12, therefore
This first surface can be appeared by described gap 11 and 12, thus carries out spacing electromagnetic radiation.Given an account of
The second surface of matter substrate 13 is connected to described microstrip-fed portion 14.The parameter of this medium substrate 13 is permissible
Choose in conjunction with the performance of antenna and the structure in gap.Such as, in identical antenna performance (such as frequency
Bandwidth) in the case of, in order to reduce the first gap 11 and/or area that cracks in the second gap 12, so that
Obtain electronic equipment and there is good appearance design and structure design, it is possible to use the material that dielectric constant is big is made
For described medium substrate 13.
It is connected to the described microstrip-fed portion 14 of second surface of medium substrate at least in part with described
One gap 11 is relative with the second gap 12, to encourage described first gap 11 and the spoke in the second gap 12
Penetrate.This microstrip-fed portion 14 is connected to the signal transceiver of electronic equipment.The letter radiated by antenna 10
Number it is connected to signal transceiver, to process by this microstrip-fed portion 14.
In concrete application, it is possible to use above-mentioned antenna 10 transmits at least in following signal of communication
Individual: satellite-signal, wireless network signal and Bluetooth signal.
In the above-mentioned antenna of the embodiment of the present invention, by using the conductor casing of electronic equipment as antenna
A part, and utilize two gaps in conductor casing to radiate the signal of different frequency bandwidth so that all
As the antenna of the electronic equipment of mobile communication equipment has good performance, and make mobile communication equipment simultaneously
There is good metal-like and ultrathin design.
Fig. 2 illustrates the schematic diagram of the antenna slots in the comunication area according to embodiments of the present invention.At figure
In 2, the described comunication area has the first gap 21 and the second gap 22 arranged concurrently.This first seam
Gap 21 is for radiating the signal of low frequency bandwidth, and the second gap 22 is for radiating the signal of high frequency bandwidth.As
Before described, the area that cracks in each gap can require be configured according to communication bandwidth etc., and described the
The area in one gap and the second gap can subtract by increasing the dielectric constant of the medium substrate covering gap
Little.Additionally, beeline D(between described first gap 21 and the second gap 22 is as shown in Figure 2)
More than 3 millimeters, thus signal that the first gap 21 radiated and the second gap 22 can be avoided to be radiated
Interference between signal.
It should be noted that this Fig. 2 is merely illustrative the gap in planar housings, it is only a signal
Property describe.In order to clear, some part be exaggerated or reduce.
Fig. 3 illustrates the schematic block diagram of the feed circuit of antenna according to embodiments of the present invention.At this feed
Circuit includes antenna broadband matching network 32.This antenna broadband matching network 32 has broadening antenna 31
The effect of band bandwidth.The operating frequency of antenna 31 is caused to occur when the shell of user's hand-held electronic equipment
During skew, owing to utilizing antenna broadband matching network 32 broadening antenna 31 band bandwidth, after skew
Operating frequency can be still within the frequency bandwidth of antenna, thus avoids the sky caused due to frequency shift (FS)
Line hydraulic performance decline.
In figure 3, the microstrip-fed portion in antenna 31 is connected to electricity by antenna broadband matching network 32
The signal transceiver 33 of subset, thus the described first frequency bandwidth of antenna described in broadening and/or the second frequency
Rate bandwidth.When a signal is received, signal of communication enters antenna Broadband Matching by the slot antenna of the present invention
Network 32, then enters back into signal transceiver 33 and is received processing；When a signal is transmitted, communication
Signal is transferred to antenna broadband matching network 32 by signal transceiver 33, passes through slot antenna the most again
It radiate, it is achieved thereby that the normal transmitting-receiving of signal of communication.
Fig. 4 illustrates the flow chart of the method for forming antenna according to embodiments of the present invention.
This method 400 being used for being formed antenna is applied to the comunication area that its shell includes being made of an electrically conducting material
Electronic equipment.The shell of described electronic equipment can be such as full metal jacket.
The described method 400 for forming antenna includes: formed for radiation first on the described comunication area
First gap (S410) of the signal of frequency bandwidth；The described comunication area is formed and is used for radiating second frequency
Second gap of the signal of bandwidth, the frequency of the signal of this second frequency bandwidth is higher than described first frequency band
The frequency (S420) of wide signal；Described first gap and the second gap cover medium substrate, this Jie
Matter substrate includes covering described first gap and the first surface in the second gap and opposing with described first surface
Second surface (S430)；And be provided for encouraging described first at the second surface of described medium substrate
The microstrip-fed portion (S440) of the radiation in gap and the second gap.
Described first gap is used for radiating the signal of first frequency bandwidth (low-frequency band).Described second seam
Gap is used for radiating the signal of second frequency bandwidth (high frequency band).Can be by designing described first ordinatedly
Gap and the length and width in the second gap so that described antenna has wide frequency bandwidth, thus meets
The communication of the multiband of antenna needs.
Described first gap and the second gap can be located at appointing of the conductor casing of electronic equipment according to actual needs
What position.As example, in the case of electronic equipment is the mobile communication terminal with metal edge frame,
Can the base plane of described metal edge frame as described first gap and communicating that the second gap is positioned at
District.Now, it is possible not only to the head as far as possible away from people, thus effectively reduce the Radiation On Human body of antenna
Impact；And user is the most less holds antenna, such that it is able to be greatly reduced user hold right
The impact of antenna performance.It is also possible that state the first gap and/or the second gap to be used as described electronic equipment
Sound transfer port, thus avoid arranging special sound transfer port at electronic equipment.As such, it is possible to enter one
Step reduces the impact that appearance design and structure are designed by gap, and can effectively save Antenna Design cost
With taking up room in structure so that electronic equipment can be designed to more frivolous and have metal-like.
In concrete practice, the beeline between described first gap and the second gap can be more than 3 millimeters,
Thus avoid the interference between the signal of first frequency bandwidth and the signal of second frequency bandwidth.Described first
The area in gap and the second gap reduces by increasing the dielectric constant of described medium substrate.About this
One gap and the schematic setting in the second gap, may refer to Fig. 2 and describe accordingly.
The first surface of the medium substrate formed in S430 covers described first gap and the second gap, because of
This this first surface can be appeared by described gap, thus carries out spacing electromagnetic radiation.At identical antenna
In the case of performance (such as frequency bandwidth), it is possible to use the big material of dielectric constant is as described medium
Substrate, to reduce the first gap 11 and/or area that cracks in the second gap 12.
The microstrip-fed portion formed in S440 is connected to the second surface of medium substrate, and at least partly
Ground is relative with described first gap and the second gap, to encourage described first gap and the radiation in the second gap.
This microstrip-fed portion is connected to the signal transceiver of electronic equipment.Micro-by this by the signal of aerial radiation
Band current feed department is connected to signal transceiver, to process.As example, this microstrip-fed portion can pass through
Antenna broadband matching network is connected to signal transceiver, thus the first frequency bandwidth of antenna described in broadening and/
Or second frequency bandwidth.At broadening after the frequency bandwidth of antenna, can avoid when user's hand-held electronic
The antenna performance caused when operating frequency occurs to offset during equipment declines.About this antenna Broadband Matching net
The description of network may refer to Fig. 3 and describes accordingly.
The antenna utilizing said method to be formed can be used for transmitting satellite signal, wireless network signal and bluetooth
At least one in signal.
In the above-mentioned method for forming antenna of the embodiment of the present invention, by by the conductor of electronic equipment
Shell is as a part for antenna, and utilizes two gaps in conductor casing to radiate different frequency bandwidth
Signal so that the antenna of the electronic equipment of such as mobile communication equipment has a good performance, and simultaneously
Mobile communication equipment is made to have good metal-like and ultrathin design.
Those skilled in the art is it can be understood that arrive, and for convenience and simplicity of description, above-mentioned retouches
Implementing of the step involved in the method formed antenna stated, is referred to aforementioned means real
Execute the diagram in example and operation, do not repeat them here.Additionally, the part steps in said method embodiment
Can reconfigure, or can execution sequence before changing section step.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art, can be easily in the technical scope that the invention discloses
Expect change or replace, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should described be as the criterion with scope of the claims.
Claims (14)
1. an antenna, is applied to electronic equipment, and the shell of this electronic equipment includes being made of an electrically conducting material
The comunication area, described antenna includes:
First gap, is positioned on the described comunication area, for radiating the signal of first frequency bandwidth；
Second gap, is positioned on the described comunication area, and for radiating the signal of second frequency bandwidth, this is second years old
The frequency of the signal of frequency bandwidth is higher than the frequency of the signal of described first frequency bandwidth；
Medium substrate, including first surface and the second surface opposing with described first surface, by described
First surface covers described first gap and the second gap；And
Microstrip-fed portion, is set to connect the second surface of described medium substrate, at least in part with described
First gap is relative with the second gap, for encouraging described first gap and the radiation in the second gap,
Wherein, the area in described first gap and the second gap is normal by the dielectric increasing described medium substrate
Number reduces.
Antenna the most according to claim 1, wherein, described electronic equipment is the movement with metal edge frame
Communication terminal, the base plane of described metal edge frame is positioned at as described first gap and the second gap
The comunication area.
Antenna the most according to claim 1, wherein, described first gap and/or the second gap are used as
The sound transfer port of described electronic equipment.
Antenna the most according to claim 1, wherein, the shortest between described first gap and the second gap
Distance is more than 3 millimeters, thus avoids between the signal of first frequency bandwidth and the signal of second frequency bandwidth
Interference.
Antenna the most according to claim 1, wherein, described microstrip-fed portion passes through antenna Broadband Matching net
Network is connected to the signal transceiver of electronic equipment, thus the described first frequency bandwidth of antenna described in broadening and/
Or second frequency bandwidth.
Antenna the most according to claim 1, wherein, described antenna is for transmitting in following signal of communication
At least one: satellite-signal, wireless network signal and Bluetooth signal.
Antenna the most according to claim 1, wherein, the shell of described electronic equipment is full metal jacket.
8. for the method forming antenna, being applied to electronic equipment, the shell of this electronic equipment includes
The comunication area being made of an electrically conducting material, described method includes:
The described comunication area is formed the first gap being used for radiating the signal of first frequency bandwidth；
Forming the second gap being used for radiating the signal of second frequency bandwidth on the described comunication area, this is second years old
The frequency of the signal of frequency bandwidth is higher than the frequency of the signal of described first frequency bandwidth；
Covering medium substrate on described first gap and the second gap, this medium substrate includes that covering is described
First gap and the first surface in the second gap and the second surface opposing with described first surface；And
Second surface at described medium substrate is provided for encouraging described first gap and the spoke in the second gap
The microstrip-fed portion penetrated, this microstrip-fed portion is relative with described first gap and the second gap at least in part,
Wherein, the area in described first gap and the second gap is normal by the dielectric increasing described medium substrate
Number reduces.
Method the most according to claim 8, wherein, described electronic equipment is the movement with metal edge frame
Communication terminal, the base plane of described metal edge frame is positioned at as described first gap and the second gap
The comunication area.
Method the most according to claim 8, wherein, described first gap and/or the second gap are used as
The sound transfer port of described electronic equipment.
11. methods according to claim 8, wherein, between described first gap and the second gap
Short distance is more than 3 millimeters, thus avoid the signal of first frequency bandwidth and second frequency bandwidth signal it
Between interference.
12. methods according to claim 8, also include:
By antenna broadband matching network, described microstrip-fed portion is connected to the signal transmitting and receiving of electronic equipment
Device, thus the described first frequency bandwidth of antenna described in broadening and/or second frequency bandwidth.
13. methods according to claim 8, wherein, described antenna is used for transmitting in following signal extremely
Few one: satellite-signal, wireless network signal and Bluetooth signal.
14. methods according to claim 8, wherein, the shell of described electronic equipment is full metal jacket.
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| CN201210258518.6A CN103579754B (en) | 2012-07-24 | 2012-07-24 | Antenna and the method being used for forming antenna |
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| CN201210258518.6A CN103579754B (en) | 2012-07-24 | 2012-07-24 | Antenna and the method being used for forming antenna |
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| CN103579754B true CN103579754B (en) | 2016-12-21 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226371B (en) | 2014-05-26 | 2019-02-26 | 比亚迪股份有限公司 | Antenna system for electronic equipment and electronic equipment with the antenna system |
| CN203950905U (en) * | 2014-05-26 | 2014-11-19 | 比亚迪股份有限公司 | Antenna and the electronic equipment with this antenna for electronic equipment |
| WO2016015284A1 (en) | 2014-07-31 | 2016-02-04 | 华为技术有限公司 | Mobile terminal |
| CN105703060B (en) * | 2014-11-28 | 2018-12-21 | 比亚迪股份有限公司 | Antenna for mobile phone and the mobile phone with it |
| CN106159440B (en) | 2015-03-31 | 2019-07-26 | 比亚迪股份有限公司 | Antenna and mobile terminal with it |
| CN106329095B (en) * | 2015-06-29 | 2019-11-08 | 比亚迪股份有限公司 | Antenna for mobile phone and the mobile phone with it |
| CN206148075U (en) | 2016-10-28 | 2017-05-03 | 京东方科技集团股份有限公司 | Display device |
| CN106684560A (en) * | 2016-11-29 | 2017-05-17 | 广东工业大学 | Beautified slot dipole antenna |
| US11031966B2 (en) * | 2018-05-04 | 2021-06-08 | Microsoft Technology Licensing, Llc | Ultrasonic proximity sensing for SAR mitigation |
| CN110690570B (en) * | 2019-10-18 | 2021-06-22 | Oppo广东移动通信有限公司 | Millimeter wave antenna and electronic device |
| CN114122682A (en) * | 2020-08-25 | 2022-03-01 | 华为技术有限公司 | Antenna unit, antenna array and electronic equipment |
| CN112783348A (en) * | 2021-01-28 | 2021-05-11 | 维沃移动通信有限公司 | Stylus and electronic device assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408131A (en) * | 2000-03-02 | 2003-04-02 | 松下电器产业株式会社 | Wireless information consumer electronics apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201805000U (en) * | 2010-08-16 | 2011-04-20 | 佳邦科技股份有限公司 | Antenna structure integrated into metal housing |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408131A (en) * | 2000-03-02 | 2003-04-02 | 松下电器产业株式会社 | Wireless information consumer electronics apparatus |
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