CN109546327A - IFA antenna module, IFA antenna structure and electronic equipment - Google Patents
IFA antenna module, IFA antenna structure and electronic equipment Download PDFInfo
- Publication number
- CN109546327A CN109546327A CN201811535460.9A CN201811535460A CN109546327A CN 109546327 A CN109546327 A CN 109546327A CN 201811535460 A CN201811535460 A CN 201811535460A CN 109546327 A CN109546327 A CN 109546327A
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- Prior art keywords
- ifa antenna
- antenna module
- parasitic element
- ifa
- exciting unit
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Classifications
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- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
Abstract
The embodiment of the invention discloses a kind of IFA antenna module, IFA antenna structure and electronic equipments, the IFA antenna module includes the exciting unit connecting for the pcb board radio-frequency head with electronic equipment, and the first parasitic element and the second parasitic element being connected for ground wire corresponding with exciting unit, first parasitic element is arranged on the left of exciting unit, and the second parasitic element is arranged on the right side of exciting unit.The embodiment of the present invention is using IFA antenna module using double parasitic elements, double parasitic elements are distributed in 2 positions of exciting unit left and right side, therefore no matter user's left or right hand cannot all cover all 2 parasitic elements simultaneously, always there is a parasitic element to be influenced by user's hand smaller, wherein impacted small parasitic element, antenna high frequency performance can be enhanced when work, to improve the radiance of IFA antenna module.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of IFA antenna module, IFA antenna structure and electronic equipment.
Background technique
With the electronic equipments such as mobile phone, tablet computer in people's daily life using more and more extensive, people are to electricity
The structure and function of sub- equipment is also constantly proposing new demand, for example requires smaller specification of equipment, bigger screen accounting, hand
Sense more preferably metal shell etc..Under the requirement of this design concept, more and more devices can be placed in antenna area, thus
The space environment of antenna is caused to become increasingly complex.In a limited space under environment, the mobile phone day for meeting multiband demand is designed
Line is at difficult point.
Current antenna for mobile phone is divided into external and two kinds built-in, and built-in mobile phone antenna is placed in interior of mobile phone, such as IFA
(Inverted Antenna) type antenna, wherein IFA antenna is since structure is simple, is hardly damaged and makes mobile phone good appearance,
Thus gradually it is used widely instead of external double-frequency mobile phone antenna.
Conventional IFA antenna realizes the bandwidth enhancement of high frequency by increasing by 1 parasitic element.But the parasitism of this kind of mode is single
Member is generally positioned at the side of mobile phone.Because parasitic element antenna length is shorter, when testing number of people fingerprint formula, be easy by left or
A right hand therein is held completely in the palm of the hand, so that left and right always has the influence that can not avoid holding on one side, causes to be held
One side radiance is excessively poor.
Summary of the invention
The embodiment of the present invention provides a kind of IFA antenna module, IFA antenna structure and electronic equipment, using double parasitic elements,
Influence of user's hand to antenna radiation performance is avoided, the radiance of IFA antenna module is improved.
In a first aspect, the application provides a kind of IFA antenna module, the IFA antenna module is applied to electronic equipment, described
IFA antenna module includes the exciting unit connecting for the pcb board radio-frequency head with electronic equipment, and for single with the excitation
The first parasitic element and the second parasitic element that the corresponding ground wire of member is connected, first parasitic element are arranged in the excitation
On the left of unit, second parasitic element is arranged on the right side of the exciting unit.
Further, first parasitic element is provided with to be connected for ground wire corresponding with the exciting unit
One contact point.
Further, second parasitic element is provided with to be connected for ground wire corresponding with the exciting unit
Two contact points.
Further, the exciting unit be provided with the feeding point connecting for the pcb board radio-frequency head with electronic equipment and
Short dot.
Further, the ground wire is the grounding pin or ground strip of setting.
Further, when the ground wire is ground strip, the feeding point of the exciting unit is in above the ground strip.
Further, when the ground wire is ground strip, the feeding point of the exciting unit is placed in the middle on the ground strip.
Further, the ground strip is greater than the feeding point of the exciting unit on the width.
Second aspect, the application provide a kind of IFA antenna structure, including at least one IFA antenna module, and described IFA days
Line component is the IFA antenna module as described in any in first aspect.
The third aspect, the application provides a kind of electronic equipment, including IFA antenna structure described in second aspect.
For the embodiment of the present invention using IFA antenna module using double parasitic elements, double parasitic elements are distributed in an exciting unit left side
Side and 2, right side position, therefore no matter user's left or right hand cannot all cover all 2 parasitic elements simultaneously, always there is one
Parasitic element is influenced smaller by user's hand, wherein impacted small parasitic element, when work can enhance antenna high frequency
Performance, to improve the radiance of IFA antenna module.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is an IFA antenna structure view in the prior art；
Fig. 2 is another IFA antenna structure view in the prior art；
Fig. 3 is the overall structure diagram of the IFA antenna module provided in the embodiment of the present invention；
Fig. 4 is exciting unit and parasitic element positional relationship structure in the IFA antenna module provided in the embodiment of the present invention
Schematic diagram；
Fig. 5 is the structural schematic diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of IFA antenna module, IFA antenna structure and electronic equipment.It carries out individually below detailed
It describes in detail bright.
In the prior art, conventional IFA antenna realizes the bandwidth enhancement of high frequency by increasing by 1 parasitic element.But it is this kind of
The parasitic element of mode is generally positioned at the side of electronic equipment bottom.Because parasitic element antenna length is shorter, work as tester
When head fingerprint formula, it is easy to be held completely in the palm of the hand by user's left or right hand hand therein.
As shown in Figure 1, the design of parasitic element 2 grasps electricity in 1 left side of exciting unit, in user's left hand in IFA antenna module
When sub- equipment, parasitic element 2 can be covered all by left hand, and manpower can stop a part of radiance of IFA antenna.Such as Fig. 2
Shown, in IFA antenna module, the design of parasitic element 2 can quilt when user's right hand grasps electronic equipment on 1 right side of exciting unit
The right hand covers all, and manpower can stop a part of radiance of IFA antenna module.Therefore, left side or right in the prior art
Parasitic element is arranged in side, always has the influence that can not avoid holding on one side, the IFA when side for causing parasitic element to be arranged is held
Antenna module radiance is excessively poor.Lot of domestic and international operator is very stringent to the index request of IFA antenna module, to manpower mould
Requirement index under type is very high, therefore how to solve IFA antenna performance of the antenna under hand model is a very hang-up.
As shown in figure 3, for a kind of IFA antenna module structural schematic diagram provided in the embodiment of the present invention, the IFA antenna sets
Part is applied to electronic equipment, which includes for printed circuit board (the Printed Circuit with electronic equipment
Board, PCB) plate 40 radio-frequency head connection exciting unit 10, and be connected for ground wire corresponding with the exciting unit the
One parasitic element 30 and the second parasitic element 20, in 10 left side of the exciting unit, this second is posted for first parasitic element 30 setting
The raw setting of unit 20 is on 10 right side of exciting unit.
It is compact and easily fabricated in IFA antenna module design size, because they may be implemented as the edge on PCB
Print characteristics.IFA antenna module can be used in various wireless telecom equipments.The shortcomings that IFA antenna module designs may be ground connection
There are earth-currents in plane.These earth-currents can cause the higher radiation between antenna array elements to couple, and may lead
Cause irregular radiation pattern.Therefore, in the electronic device, nearby ground wire can be generally arranged in exciting unit 10, the exciting unit
10 corresponding ground wires can be the ground wire that the exciting unit 10 is arranged recently, which can be grounding pin or the ground connection of setting
Piece.
In addition, such as Fig. 3, shown in Fig. 4, in some embodiment of the invention, first parasitic element 30 be provided with for
The first contact point 31 that the corresponding ground wire of exciting unit 10 is connected.Likewise, second parasitic element 20 is provided with and is used for
The second contact point 21 that ground wire corresponding with the exciting unit is connected.
As shown in Figure 3, Figure 4, further, in some embodiment of the invention, which is arranged 2 contacts
Point, respectively feeding point 11 and short dot 12, the feeding point 11 and short dot 12 are for 40 radio-frequency head of pcb board with electronic equipment
The feeding point 11 and short dot 12 of connection.
By taking ground wire is ground strip as an example, the feeding point 11 of exciting unit 10 can be located near ground wire.In some embodiment party
In formula, the feeding point 11 of exciting unit 10 can be directly in above ground strip, and/or can be placed in the middle on ground strip.One
In a little embodiments, ground strip can be greater than the feeding point of exciting unit on the width, so that the excitation on the first layer of pcb board
Ground strip on the feeding point of unit 10 and the second different layers of PCB is overlapping.In some embodiments described herein, swash
Encouraging width of the feeding point 11 of unit 10 on PCB can be selected based on the thickness of PCB layer, so that the feed of exciting unit 10
Point 11 and 10 impedance matching of exciting unit.
A kind of antenna structure, including at least one IFA antenna module, the IFA antenna are also provided in the embodiment of the present invention
Component is IFA antenna module described in any embodiment as above.Specifically, for example, the antenna structure includes at least one
A aerial array, each aerial array include IFA antenna module described in one or more as above any embodiments.Often
A aerial array can work independently as receiving antenna and/or transmission antenna.In some embodiments, each
Aerial array may include four IFA antenna modules, and may be configured to receive and/or send multiple-input and multiple-output
(Multiple-Input Multiple-Output, MIMO) communication.
The application provides a kind of electronic equipment, including IFA days knots in any embodiment described in above-described embodiment
Structure.
Correspondingly, the embodiment of the present invention also provides a kind of electronic equipment, as shown in figure 5, the electronic equipment may include penetrating
Frequently (RF, Radio Frequency) circuit 501, include one or more the memory of computer readable storage medium
502, input unit 503, display unit 504, sensor 505, voicefrequency circuit 506, Wireless Fidelity (WiFi, Wireless
Fidelity) module 507, the processor 508 and the components such as power supply 509 that include one or more than one processing core.
It will be understood by those skilled in the art that electronic devices structure shown in Fig. 5 does not constitute the restriction to electronic equipment, can wrap
It includes than illustrating more or fewer components, perhaps combines certain components or different component layouts.Wherein:
RF circuit 501 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station
After downlink information receives, one or the processing of more than one processor 508 are transferred to；In addition, the data for being related to uplink are sent to
Base station.In general, RF circuit 501 includes but is not limited to antenna, at least one amplifier, tuner, one or more oscillators, uses
Family identity module (SIM, Subscriber Identity Module) card, transceiver, coupler, low-noise amplifier
(LNA, Low Noise Amplifier), duplexer etc..In addition, RF circuit 501 can also by wireless communication with network and its
He communicates equipment.Any communication standard or agreement can be used in the wireless communication, and including but not limited to global system for mobile telecommunications is deposited
Storage media (GSM, Global System of Mobile communication), general packet radio service (GPRS,
General Packet Radio Service), it is CDMA (CDMA, Code Division Multiple Access), wide
Band CDMA (WCDMA, Wideband Code Division Multiple Access), long term evolution (LTE, Long
Term Evolution), Email, short message service (SMS, Short Messaging Service) etc..
In the embodiment of the present invention, the antenna that RF circuit 501 includes is IFA described in any embodiment in above-described embodiment
Antenna structure.
Memory 502 can be used for storing software program and module, and processor 508 is stored in memory 502 by operation
Software program and module, thereby executing various function application and data processing.Memory 502 can mainly include storage journey
Sequence area and storage data area, wherein application program needed for storing program area can store operation storage medium, at least one function
(such as sound-playing function, image player function etc.) etc.；Storage data area can be stored to be created according to using for electronic equipment
Data (such as audio data, phone directory etc.) etc..In addition, memory 502 may include high-speed random access memory, may be used also
To include nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states
Part.Correspondingly, memory 502 can also include Memory Controller, to provide processor 508 and 503 pairs of input unit storages
The access of device 502.
Input unit 503 can be used for receiving the number or character information of input, and generate and user setting and function
Control related keyboard, mouse, operating stick, optics or trackball signal input.Specifically, in a specific embodiment
In, input unit 503 may include touch sensitive surface and other input equipments.Touch sensitive surface, also referred to as touch display screen or touching
Control plate, collect user on it or nearby touch operation (such as user using any suitable object such as finger, stylus or
Operation of the attachment on touch sensitive surface or near touch sensitive surface), and corresponding connection dress is driven according to preset formula
It sets.Optionally, touch sensitive surface may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus is examined
The touch orientation of user is surveyed, and detects touch operation bring signal, transmits a signal to touch controller；Touch controller from
Touch information is received on touch detecting apparatus, and is converted into contact coordinate, then gives processor 508, and can reception processing
Order that device 508 is sent simultaneously is executed.Furthermore, it is possible to a variety of using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Type realizes touch sensitive surface.In addition to touch sensitive surface, input unit 503 can also include other input equipments.Specifically, other are defeated
Entering equipment can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse
One of mark, operating stick etc. are a variety of.
Display unit 504 can be used for showing information input by user or the information and electronic equipment that are supplied to user
Various graphical user interface, these graphical user interface can be made of figure, text, icon, video and any combination thereof.
Display unit 504 may include display panel, optionally, can use liquid crystal display (LCD, Liquid Crystal
Display), the forms such as Organic Light Emitting Diode (OLED, Organic Light-Emitting Diode) configure display surface
Plate.Further, touch sensitive surface can cover display panel, after touch sensitive surface detects touch operation on it or nearby,
Processor 508 is sent to determine the type of touch event, is followed by subsequent processing device 508 according to the type of touch event in display panel
It is upper that corresponding visual output is provided.Although touch sensitive surface and display panel are realized as two independent components in Fig. 5
Input and input function, but in some embodiments it is possible to it is touch sensitive surface and display panel is integrated and realize and input and defeated
Function out.
Electronic equipment may also include at least one sensor 505, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel, and proximity sensor can close display surface when electronic equipment is moved in one's ear
Plate and/or backlight.As a kind of motion sensor, gravity accelerometer can detect in all directions (generally three axis)
The size of acceleration can detect that size and the direction of gravity when static, the application that can be used to identify mobile phone posture is (such as vertical and horizontal
Shield switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；As for electronics
The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor that equipment can also configure, it is no longer superfluous herein
It states.
Voicefrequency circuit 506, loudspeaker, microphone can provide the audio interface between user and electronic equipment.Voicefrequency circuit
Electric signal after the audio data received conversion can be transferred to loudspeaker, it is defeated to be converted to voice signal by loudspeaker by 506
Out；On the other hand, the voice signal of collection is converted to electric signal by microphone, is converted to audio after being received by voicefrequency circuit 506
Data, then by after the processing of audio data output processor 508, such as another electronic equipment is sent to through RF circuit 501, or
Audio data is exported to memory 502 to be further processed.Voicefrequency circuit 506 is also possible that earphone jack, to provide
The communication of peripheral hardware earphone and electronic equipment.
WiFi belongs to short range wireless transmission technology, and electronic equipment can help user to receive and dispatch electricity by WiFi module 507
Sub- mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 5 shows
Go out WiFi module 507, but it is understood that, and it is not belonging to must be configured into for electronic equipment, it completely can be according to need
It to omit within the scope of not changing the essence of the invention.
Processor 508 is the control centre of electronic equipment, utilizes each portion of various interfaces and connection whole mobile phone
Point, by running or execute the software program and/or module that are stored in memory 502, and calls and be stored in memory 502
Interior data execute the various functions and processing data of electronic equipment, to carry out integral monitoring to mobile phone.Optionally, it handles
Device 508 may include one or more processing cores；Preferably, processor 508 can integrate application processor and modulation /demodulation processing
Device, wherein the main processing operation storage medium of application processor, user interface and application program etc., modem processor master
Handle wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 508.
Electronic equipment further includes the power supply 509 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Source control storage medium and processor 508 are logically contiguous, thus charged, discharged by the realization management of power management storage medium,
And the functions such as power managed.Power supply 509 can also include one or more direct current or AC power source, recharge storage
The random components such as medium, power failure detection circuit, power adapter or inverter, power supply status indicator.
Although being not shown, electronic equipment can also include camera, bluetooth module etc., and details are not described herein.Specifically at this
In embodiment, processor 508 in electronic equipment can according to following instruction, by one or more application program into
The corresponding executable file of journey is loaded into memory 502, and is run by processor 508 and be stored in answering in memory 502
With program, to realize various functions.
The specific implementation of above each operation can be found in the embodiment of front, and details are not described herein.
A kind of IFA antenna module, IFA antenna structure and electronic equipment is provided for the embodiments of the invention above to carry out
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；Meanwhile for those skilled in the art, according to this
The thought of invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not answered
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of IFA antenna module, which is characterized in that the IFA antenna module is applied to electronic equipment, the IFA antenna sets
Part includes the exciting unit connecting for the pcb board radio-frequency head with electronic equipment, and for corresponding with the exciting unit
The first parasitic element and the second parasitic element that ground wire is connected, the first parasitic element setting are left in the exciting unit
Side, second parasitic element are arranged on the right side of the exciting unit.
2. IFA antenna module according to claim 1, which is characterized in that first parasitic element be provided with for
The first contact point that the corresponding ground wire of the exciting unit is connected.
3. IFA antenna module according to claim 1, which is characterized in that second parasitic element be provided with for
The second contact point that the corresponding ground wire of the exciting unit is connected.
4. IFA antenna module according to claim 1, which is characterized in that the exciting unit, which is provided with, to be used for and electronics
The feeding point and short dot of the pcb board radio-frequency head connection of equipment.
5. IFA antenna module according to claim 4, which is characterized in that the ground wire is the grounding pin of setting or connects
Ground piece.
6. IFA antenna module according to claim 5, which is characterized in that when the ground wire is ground strip, the excitation
The feeding point of unit is in above the ground strip.
7. IFA antenna module according to claim 5, which is characterized in that when the ground wire is ground strip, the excitation is single
The feeding point of member is placed in the middle on the ground strip.
8. according to the IFA antenna module of claim 5 or 6, which is characterized in that the ground strip is greater than described sharp on the width
Encourage the feeding point of unit.
9. a kind of IFA antenna structure, which is characterized in that including at least one IFA antenna module, the IFA antenna module is such as
IFA antenna module described in any item of the claim 1 to 8.
10. a kind of electronic equipment, which is characterized in that including IFA antenna structure as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535460.9A CN109546327A (en) | 2018-12-14 | 2018-12-14 | IFA antenna module, IFA antenna structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535460.9A CN109546327A (en) | 2018-12-14 | 2018-12-14 | IFA antenna module, IFA antenna structure and electronic equipment |
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| CN109546327A true CN109546327A (en) | 2019-03-29 |
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Application publication date: 20190329 |