CN102509850A - Mobile terminal, antenna device for mobile terminal, and feed method - Google Patents
Mobile terminal, antenna device for mobile terminal, and feed method Download PDFInfo
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- CN102509850A CN102509850A CN2011103238107A CN201110323810A CN102509850A CN 102509850 A CN102509850 A CN 102509850A CN 2011103238107 A CN2011103238107 A CN 2011103238107A CN 201110323810 A CN201110323810 A CN 201110323810A CN 102509850 A CN102509850 A CN 102509850A
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Abstract
The invention discloses an antenna device for a mobile terminal. The antenna device is integrated on a printed circuit board (PCB) mainboard of the mobile terminal, and comprises a first ground plane component and at least one antenna feed component. The first ground plane component comprises at least one first ground plane part, a second ground plane part and at least one connecting piece, wherein one end of the connecting piece is connected with the first ground plane part, and the other end of the connecting piece is connected with the second ground plane part; and the at least one first ground plane part and the at least one connecting piece form one or more conductive annular loops. The at least one antenna feed component feeds to each conductive annular loop, and comprises an antenna feed piece and a feed connecting piece. The invention also discloses the mobile terminal and a feed method utilizing the antenna device. The antenna device is integrated on the PCB mainboard of the mobile terminal so as to achieve high radiation performance and increase the space utilization rate of the mobile terminal.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of antenna assembly that is used for portable terminal, adopt the portable terminal of this antenna assembly and utilize this antenna assembly to carry out the method for feed.
Background technology
Present mobile terminal antenna generally is divided into two kinds of built-in and externals, and wherein, built-in aerial is main with planar inverted-F antenna (Planar Inverted-F Antenna) and two kinds of forms of unipole antenna (Monopole), and external antenna is main with the unipole antenna form.Along with mobile communication terminal is light; The outward appearance trend of thinning; The working frequency range of 3G/4G constantly increases, and built-in aerial design in the past receives more serious challenge, but dwindles the volume of built-in aerial simply; The design of practicing thrift the portable terminal space can make again and influence user's experience by the jitter of portable terminal.
The bulk that the design of built-in aerial generally needs is more than the 8mm*40mm*6mm; For guaranteeing the wireless performance of antenna; The metal etc. of in this space, can not arranging influences the mobile terminal device of antenna radiation performance, reserves the space more than the 2000mm3 thereby cause portable terminal when design, to be necessary for antenna.The reservation in above-mentioned space certainly will make other devices of portable terminal arrange and be squeezed, thereby causes occurring following problem:
1, the size that enlarges portable terminal is with the more device of arranging down, and this mode can not satisfy lightening and compact the get demand of user to portable terminal;
The function of 2, cutting down portable terminal is to satisfy the outward appearance demand of compact size, and this mode will influence the user to the use on the function of portable terminal, can't satisfy user's demand.
Summary of the invention
The object of the invention is intended to solve at least one of above-mentioned technological deficiency.
For this reason; First purpose of the present invention is to propose a kind of antenna assembly that is used for portable terminal, and this antenna assembly is integrated on the PCB mainboard of portable terminal, does not need extra increase antenna; Thereby reduced the volume of portable terminal; Save the inner arrangement space of portable terminal, and had good radiance, be convenient to the realization of communication function.Second purpose of the present invention is to propose a kind of portable terminal with said antenna device.The 3rd purpose of the present invention is to propose a kind of method of utilizing said antenna device to carry out feed.
The embodiment of first aspect present invention provides a kind of antenna assembly that is used for portable terminal; The said antenna assembly that is used for portable terminal is integrated in the PCB mainboard of said portable terminal; Comprise: the first ground level assembly, the said first ground level assembly comprises at least one first ground level parts; The second ground level parts; At least one connector; One end of said connector links to each other with the said first ground level parts; The other end of said connector links to each other with the said second ground level parts, and said at least one first ground level parts and said at least one connector form one or more conducting loop-shaped loop; At least one antenna feed assembly; Wherein, Have at least an antenna feed assembly that feed is carried out in said each conducting loop-shaped loop, said antenna feed assembly comprises: the antenna feed part, and said antenna feed part links to each other with the radio receiver-transmitter of said portable terminal; The feed connector, an end of said feed connector links to each other with said antenna feed part.
The antenna assembly that is used for portable terminal according to the embodiment of the invention; Be integrated on the PCB mainboard of portable terminal; Do not need extra increase antenna; Thereby reduced the volume of portable terminal, saved the inner arrangement space of portable terminal, thereby can satisfy the volume requirement of the portable terminal that present volume constantly dwindles.And in the antenna of volume, can reach better electrical performance indexes, have good radiance, can ensure the normal realization of communication of mobile terminal function effectively.
In one embodiment of the invention, when the said first ground level assembly comprised one first ground level parts, the said first ground level parts were centered around the whole outer circumferential side of the said second ground level parts and separate with the said second ground level parts.
In one embodiment of the invention, when the said first ground level assembly comprised two or more first ground level parts, the adjacent said first ground level parts linked to each other through conductive connection part.
In one embodiment of the invention, said conductive connection part is at least one in lead, inductance and the electric capacity.
Thus, can be the adjusting that realizes the resonance frequency of antenna assembly through the conductive connection part that adopts the various combination form.
In one embodiment of the invention, said feed connector and the said first ground level assembly are through direct feed or coupled modes feed.
Thus, the radio receiver-transmitter of portable terminal can use multiple feeding classification, neatly with electromagnetic signal feed to the first ground level assembly.
In one embodiment of the invention, when said feed connector and the said first ground level assembly during through the coupled modes feed, the separated preset distance of the other end of said feed connector and the said first ground level inter-module.
In one embodiment of the invention; When said feed connector and the said first ground level assembly during through the coupled modes feed; Between said feed connector and the said first ground level assembly, be filled with feed dielectric at least a portion slit; Wherein, the said feed dielectric that is adjacent to said feed connector one end is a metal medium, and the said feed dielectric that is adjacent to an end of the said first ground level assembly is a nonmetal medium.
In one embodiment of the invention, said number of connecting pieces is one or more.Through regulating the skew that number of connecting pieces can be regulated resonant frequency point, also can change the CURRENT DISTRIBUTION between the first ground level assembly and the second ground level parts simultaneously, thereby form the resonance of varying number.
In one embodiment of the invention, said antenna assembly comprises a plurality of resonance points.Thus, a plurality of resonance points can improve the bandwidth of antenna assembly.
In one embodiment of the invention, said antenna assembly also comprises one or more earth points, and wherein, said earth point is arranged on the position at said connector place.
In one embodiment of the invention, said antenna feed part also comprises the antenna match unit, is used for the output impedance of said antenna assembly and the input impedance of corresponding load circuit are mated.
Thus, the antenna match unit carries out impedance matching to antenna assembly and follow-up load circuit, reduces the energy loss in the signal transmission, improves the quality of signal transmission.
In one embodiment of the invention, the said feed connector parts that are sheet metal or surface metalation.Use the parts of sheet metal or surface metalation lower, and have good coupling feed performance as the fed element cost.
In one embodiment of the invention, the said first ground level assembly, the said second ground level parts and said at least one connector are integrally formed.
In one embodiment of the invention, said connector is sheet metal or conducting foam or pogo pin PogoPin.。
The embodiment of second aspect present invention provides a kind of portable terminal, comprising: body is provided with radio receiver-transmitter in said body; With at least one like the described antenna assembly of first aspect present invention embodiment, said antenna assembly is integrated in the said body on the PCB mainboard.
Portable terminal according to the embodiment of the invention; Antenna assembly is integrated on the PCB mainboard of portable terminal; Thereby practiced thrift the portable terminal volume inside effectively, and then can reduce the volume of portable terminal, thereby can satisfy the volume requirement of the portable terminal that present volume constantly dwindles.And in the portable terminal of volume, can reach better electrical performance indexes, have good radiance, can ensure the normal realization of communication of mobile terminal function effectively.
The embodiment of third aspect present invention provides a kind of and has carried out the method for feed based on the antenna assembly of first aspect embodiment, comprises the steps:
The radio receiver-transmitter of portable terminal emission electromagnetic signal, the said electromagnetic signal antenna feed assembly coupling feed through said antenna assembly is the said first ground level assembly extremely.
According to the embodiment of the invention antenna assembly is carried out the method for feed; Radio receiver-transmitter by portable terminal carries out feed to the antenna assembly that is integrated on the portable terminal PCB mainboard; Have good radiance, can ensure the normal realization of communication of mobile terminal function effectively.
In one embodiment of the invention, regulate said number of connecting pieces and the position between said first ground level assembly and the said second ground level parts to regulate the resonant frequency point of said antenna assembly.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously with easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the sketch map of the antenna assembly of one embodiment of the invention;
Fig. 2 is the sketch map of the antenna assembly of another embodiment of the present invention;
Fig. 3 is the sketch map of the antenna assembly of another embodiment of the present invention;
Fig. 4 is the sketch map of the antenna assembly of another embodiment of the present invention;
Fig. 5 is the sketch map of return loss of the antenna assembly of the embodiment of the invention;
Fig. 6 is the sketch map of radiation efficiency of the antenna assembly of the embodiment of the invention; With
Fig. 7 is the flow chart of the feed method of the embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
Disclosing of hereinafter provides many various embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts and the setting of specific examples are described.Certainly, they only are example, and purpose does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and purpose clearly, itself not indicate the relation between various embodiment that discuss of institute and/or the setting.In addition, various specific technology and the examples of material that the invention provides, but those of ordinary skills can recognize the property of can be applicable to of other technologies and/or the use of other materials.In addition; First characteristic of below describing second characteristic it " on " structure can comprise that first and second characteristics form the embodiment of direct contact; Can comprise that also additional features is formed on the embodiment between first and second characteristics, such first and second characteristics possibly not be direct contacts.
In description of the invention; It will be appreciated that; Term " vertically ", " laterally ", " on ", the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relation be for based on orientation shown in the drawings or position relation; Only be to describe with simplifying for the ease of describing the present invention; Rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, need to prove, unless otherwise prescribed and limit; Term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection; Also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly through intermediary; For those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
According to the antenna assembly that is used for portable terminal of the embodiment of the invention, be integrated on the PCB mainboard of portable terminal, comprising: the first ground level assembly, the first ground level assembly comprise at least one first ground level parts; The second ground level parts; At least one connector, an end of connector links to each other with the first ground level parts, and the other end of connector links to each other with the second ground level parts, and at least one first ground level parts and at least one connector form one or more conducting loop-shaped loop; At least one antenna feed assembly wherein, has at least an antenna feed assembly that feed is carried out in each conducting loop-shaped loop, and the antenna feed assembly comprises: the antenna feed part, and the antenna feed part links to each other with the radio receiver-transmitter of portable terminal; The feed connector, an end of feed connector links to each other with the antenna feed part.
The antenna assembly that is used for portable terminal according to the embodiment of the invention; Be integrated on the PCB mainboard of portable terminal; Do not need extra increase antenna; Thereby reduced the volume of portable terminal, saved the inner arrangement space of portable terminal, thereby can satisfy the volume requirement of the portable terminal that present volume constantly dwindles.And in the antenna of volume, can reach better electrical performance indexes, have good radiance, can ensure the normal realization of communication of mobile terminal function effectively.
The first ground level assembly can comprise at least one first ground level parts.When the first ground level assembly comprised one first ground level parts, the first ground level parts were centered around the whole outer circumferential side of the second ground level parts and separate with the second ground level parts.
When the first ground level assembly comprised two or more first ground level parts, the first adjacent ground level parts linked to each other through conductive connection part.Wherein, conductive connection part can be in lead, inductance and the electric capacity at least one, the for example combination of lead and inductance, inductance and electric capacity, lead and electric capacity.Lead can be for cabling thinner on the PCB mainboard, like serpentine.It is on the low side to increase the low-frequency resonant that thinner cabling or inductance help portable terminal, and increasing electric capacity, to help low-frequency resonant higher, and the combination that increases inductance and electric capacity helps regulating the resonance of appointment.
In one embodiment of the invention, the inward flange of the outward flange of the first ground level assembly, the first ground level assembly and the outer peripheral shape of second ground level all can have any shape, for example: square, oval or trapezoidal.
The first ground level assembly and the second ground level parts can be realized through fluting on the PCB of portable terminal mainboard, thereby the ground level of PCB mainboard is divided into the first ground level assembly and the second ground level parts.
In one embodiment of the invention, number of connecting pieces is one or more.Earth point is arranged on the position at connector place, thereby antenna assembly can comprise one or more earth points.Wherein, connector can be sheet metal.
According to the difference of the shape of on the PCB of portable terminal mainboard, slotting, the first ground level assembly, the second ground level parts and connector can adopt one of following two kinds of connected modes:
(1) when the groove of on the PCB of portable terminal mainboard, offering be not when being communicated with fully; The first ground level assembly, the second ground level parts and at least one connector can be integrally formed; Be that connector is all made on the PCB mainboard, thus with the first ground level assembly and the second ground level parts are one.Wherein, connector is a sheet metal.Adopt this kind mode to make antenna assembly, manufacturing process is simple relatively, is easy to realize.
(2) when the groove of on the PCB of portable terminal mainboard, offering be when being communicated with fully, for example on the PCB of portable terminal mainboard, offer back-shaped groove and be divided into the first ground level assembly and the second ground level parts with ground level with the PCB mainboard.At the first ground level assembly and the second ground level parts connector is set, wherein connector can be sheet metal or conducting foam or pogo pin PogoPin.
Through regulating the skew that number of connecting pieces can be regulated resonant frequency point, also can change the CURRENT DISTRIBUTION between the first ground level assembly and the second ground level parts simultaneously, thereby form the resonance of varying number.Antenna assembly can comprise a plurality of resonance points, thereby can improve the bandwidth of antenna assembly.
In one embodiment of the invention, the feed connector and the first ground level assembly can be through direct feed or coupled modes feeds.Thus, the radio receiver-transmitter of portable terminal can use multiple feeding classification, neatly with electromagnetic signal feed to the first ground level assembly.In an example of the present invention, the feed connector can be the parts of sheet metal or surface metalation.Use the parts of sheet metal or surface metalation lower as the fed element cost, the coupling feed is functional.Wherein, the parts of surface metalation can be the metallied part that forms on pcb board or the potsherd.
In one embodiment of the invention, the area of the position of antenna feed assembly, feed connector and shape all can be selected according to the design of portable terminal.
When feed connector and the first ground level assembly during, can comprise following two kinds of set-up modes between the feed connector and the first ground level assembly through the coupled modes feed:
(1) other end of feed connector and the corresponding first ground level inter-module form the slit at a distance from preset distance between the feed connector and the first ground level assembly.
(2) between the feed connector and the first ground level assembly, be filled with feed dielectric at least a portion slit; Wherein, The feed dielectric that is adjacent to feed connector one end is a metal medium, and the feed dielectric that is adjacent to the first ground level assembly, one end is a nonmetal medium.It is understandable that, can all fill full feed dielectric in the slit between the feed connector and the first ground level assembly.
In one embodiment of the invention, the antenna feed part also comprises the antenna match unit, is used for the output impedance of antenna assembly and the input impedance of corresponding load circuit are mated.Wherein, the antenna match unit comprises inductance and electric capacity.Inductance and electric capacity form matching network so that the output impedance of antenna assembly and the input impedance of corresponding load circuit are mated through corresponding annexation.
Describe the antenna assembly that is used for portable terminal in detail referring to figs. 1 to Fig. 3 below according to the embodiment of the invention.Different according to the quantity of the first ground level parts, connector and antenna feed assembly can form a plurality of conducting loop-shaped loop on portable terminal.Be the antenna assembly that is used for portable terminal that example is described the embodiment of the invention with one or two conducting loop-shaped loop respectively below.Wherein, the feeding classification of the feed connector and the first ground level assembly is the coupling feed.
Fig. 1 shows the antenna assembly with a conducting loop-shaped loop.As shown in Figure 1; Comprise one first ground level assembly 1, one second ground level parts 2, a connector 3 and an antenna feed assembly according to the antenna assembly that is used for portable terminal of the embodiment of the invention; Wherein, the antenna feed assembly comprises antenna feed part 4 and feed connector 5.
The first ground level assembly 1 is arranged on the whole outer circumferential side of the second ground level parts 2, and wherein, the second ground level parts 2 are arranged on the inside of the first ground level assembly 1 and separate each other with the first ground level assembly 1.One end of connector 3 links to each other with the first ground level assembly 1, and the other end of connector 3 links to each other with the second ground level parts 2.Wherein, connector 3 is as earth point.The first ground level assembly 1 forms a conducting loop-shaped loop with connector 3.Radio receiver-transmitter in the PCB mainboard of antenna feed part 4 and portable terminal links to each other, and an end of feed connector 5 links to each other with antenna feed part 4, and the other end of feed connector 5 and the first ground level assembly 1 be preset distance at interval.The radio receiver-transmitter electromagnetic energy emitted of portable terminal is through on antenna feed part 4 and feed connector feed to the first ground level assembly 1.Feeding classification between the feed connector 5 and the first ground level assembly 1 can be direct feed or coupled modes feed.
As shown in Figure 1, the quantity of the first ground level assembly 1 and connector 3 is respectively one, and the first ground level assembly 1 is centered around the whole outer circumferential side of the second ground level parts 2, and through connector 3 ground connection.As shown in Figure 1, the second ground level parts 2 are positioned at the centre that the first ground level assembly 1 surrounds loop, and can adjust the resonance frequency of antenna assembly this moment through the position of adjustment connector 3.Particularly, when the distance increase of position that connector 3 is provided with and antenna feed assembly, the resonance frequency of antenna assembly squints to low frequency.Otherwise when the distance of position that connector 3 is provided with and antenna feed assembly reduced, the resonance frequency of antenna assembly was to high frequency offset.
As shown in Figure 2, the first ground level assembly 1 is therefrom separated, connects through conductive connection part 6.As can be seen from the figure, an end of conductive connection part 6 links to each other with the A end of the first ground level assembly 1, and the other end of conductive connection part 6 links to each other with the B end of the first ground level assembly 1.Conductive connection part 6 is a serpentine.It is understandable that conductive connection part 6 also can be in lead, inductance and the electric capacity at least one, the for example combination of lead and inductance, inductance and electric capacity, lead and electric capacity here.
As shown in Figure 3, the first ground level assembly 1 comprises two first ground level parts, is respectively AH section ground level parts and BG section ground level parts.Wherein, AH section ground level parts link to each other with second conductive connection part 62 through first conductive connection part 61 with BG section ground level parts.As can be seen from the figure, an end of first conductive connection part 61 links to each other with the A end of AH section ground level parts, and the other end links to each other with the B end of BG section ground level parts.One end of second conductive connection part 62 links to each other with the H end of AH section ground level parts, and the other end links to each other with the G end of BG section ground level parts.First conductive connection part 61 and second conductive connection part 62 can be serpentine.It is understandable that first conductive connection part 61 and second conductive connection part 62 also can be in lead, inductance and the electric capacity at least one, the for example combination of lead and inductance, inductance and electric capacity, lead and electric capacity here.
It is understandable that the quantity of the first ground level parts that the first ground level assembly 1 comprises is not limited to two, can be the plural first ground level parts.Wherein, two first adjacent ground level parts link to each other through a plurality of conductive connection parts.
Through adopting conductive connection part to connect the length that low-frequency resonant can be regulated in the slit between two the first adjacent ground level parts in the first ground level assembly 1.Particularly, it is on the low side to increase the low-frequency resonant that thinner cabling or inductance help portable terminal, and increasing electric capacity, to help low-frequency resonant higher, and the combination that increases inductance and electric capacity helps regulating the resonance of appointment.
With reference to figure 4 antenna assembly with two conducting loop-shaped loops is described below.
As shown in Figure 4, number of connecting pieces is two, is respectively first connector 31 and second connector.One end of first connector 31 is arranged on the C point on the first ground level assembly 1, and the other end links to each other with the second ground level parts 2.One end of second connector 32 is arranged on the E point on the first ground level assembly 1, and the other end links to each other with the second ground level parts 2.The C-D-E section of the first ground level assembly 1 and first connector 31 and second connector 32 have constituted a conducting loop-shaped loop jointly, and the C-F-E section of the first ground level assembly 1 and first connector 31 and second connector 32 have constituted another conducting loop-shaped loop jointly.The radio receiver-transmitter electromagnetic energy emitted of portable terminal is through on the first ground level assembly 1 on an antenna feed part 4 and feed connector feed to the two conducting loop-shaped loop.Two conducting loop-shaped loops have different slot antenna length; Changed the CURRENT DISTRIBUTION on the first ground level assembly 1 and the first ground level assembly 2; A plurality of resonance have been formed; Thereby improved the portable terminal bandwidth, can be so that the working frequency range of portable terminal satisfies the frequency range requirement of different 3G radio communications.
Return loss (S11) performance and the radiation efficiency of the antenna assembly that the embodiment of the invention provides are described respectively with reference to figure 5 and Fig. 6 below.Work in GSM850/GSM900/DCS (Digital Cellular System with antenna assembly; Digital Cellular System)/PCS (Personal Communications Service; The person-to-person communication service)/WCDMABandI; Passive frequencies is positioned at 824MHz-960MHz, and 1710MHz-2500MHz is that example describes.
As shown in Figure 5, the return loss in the whole working frequency range of antenna assembly work is all less than-4dB.For example, when the operating frequency of antenna assembly is positioned at 824MHz (Fig. 5 medium frequency point 1), return loss is-4.3286dB.When the operating frequency of antenna assembly is positioned at 960MHz (Fig. 5 medium frequency point 2), return loss is-6.3316dB.When the operating frequency of antenna assembly is positioned at 1.71GHz (Fig. 5 medium frequency point 3), return loss is-5.1168dB.When the operating frequency of antenna assembly is positioned at 2.5GHz (Fig. 5 medium frequency point 4), return loss is-7.7763dB.Can draw from the return loss of above-mentioned four Frequency points,
As shown in Figure 6, the radiation efficiency in the whole working frequency range of antenna assembly work approaches 60%.
It is understandable that, the setting of the working frequency range of antenna assembly and the setting of operational environment just for exemplary purposes, rather than to a kind of restriction of the embodiment of the invention.
Can find out that by Fig. 5 and Fig. 6 the antenna assembly of the embodiment of the invention has good antenna radiation performance, ensure the normal use of portable terminal at the communication function of different operating frequency range.
The antenna assembly that is used for portable terminal according to the embodiment of the invention; Be integrated on the PCB mainboard of portable terminal; Do not need extra increase antenna, not only saved the manufacturing cost of portable terminal, and reduced the volume of portable terminal; Save the inner arrangement space of portable terminal, thereby can satisfy the volume requirement of the portable terminal that present volume constantly dwindles.And in the antenna of volume, can reach better electrical performance indexes, have good radiance, can ensure the normal realization of communication of mobile terminal function effectively.And the antenna assembly applicating frequency that is used for portable terminal of the embodiment of the invention can be any frequency range or its combination of present radio communication, and working frequency range has covered the frequency range in the present 3G radio communication.
The embodiment of the invention has also proposed a kind of portable terminal, comprising: body and antenna assembly, wherein, the antenna assembly that antenna assembly can provide for the above embodiment of the present invention.Antenna assembly is integrated on the interior PCB mainboard of body.
In one embodiment of the invention, antenna assembly can be for one or more.
Portable terminal according to the embodiment of the invention; Antenna assembly is integrated on the PCB mainboard of portable terminal, thereby has practiced thrift the portable terminal volume inside effectively, the manufacturing cost of not only having saved portable terminal; And reduced the volume of portable terminal; Thereby it is very thin to make the thickness of portable terminal accomplish, does not consider the thickness that conventional antenna needs, and can satisfy the volume requirement of the portable terminal that present volume constantly dwindles.And in the portable terminal of volume, can reach better electrical performance indexes, have good radiance, can ensure the normal realization of communication of mobile terminal function effectively.
The antenna assembly of describing according to the embodiment of the invention with reference to figure 7 below that utilizes carries out the method for feed.Wherein, above-mentioned feed method can utilize the antenna assembly that the above embodiment of the present invention provides.
As shown in Figure 7, carry out the method for feed according to the antenna assembly that utilizes of the embodiment of the invention, comprise the steps:
S10: the radio receiver-transmitter of portable terminal sends signal.
The radio receiver-transmitter of portable terminal is according to the working frequency range line emission electromagnetic signal of preset working frequency range or user's selection.
S11: antenna feed assembly receiving electromagnetic signals and feed to the first ground level assembly.
The antenna feed part of antenna assembly after the electromagnetic signal of the radio receiver-transmitter emission that receives portable terminal, through the feed connector with the be coupled first ground level assembly of feed to antenna assembly of electromagnetic signal.
S12: utilize the gap radiation signal between the first ground level assembly and the second ground level parts.
Utilize slit between the first ground level assembly and the second ground level parts according to working frequency range radiation direction external radiation electromagnetic signal.
According to the embodiment of the invention antenna assembly is carried out the method for feed; Radio receiver-transmitter by portable terminal carries out feed to the antenna assembly that is integrated on the portable terminal PCB mainboard; Have good radiance, can ensure the normal realization of communication of mobile terminal function effectively.
In one embodiment of the invention; Regulate Fig. 1 to the number of connecting pieces of antenna assembly shown in Figure 4 and the resonant frequency point that antenna assembly can be regulated in the position; Comprise the skew of resonant frequency point and the quantity of resonance point; Thereby can improve the bandwidth of antenna assembly effectively, ensure the communication quality of portable terminal at the different communication environment.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present invention is accompanying claims and be equal to and limit to these embodiment.
Claims (17)
1. an antenna assembly that is used for portable terminal is characterized in that, the said antenna assembly that is used for portable terminal is integrated in the PCB mainboard of said portable terminal, comprising:
The first ground level assembly, the said first ground level assembly comprises at least one first ground level parts;
The second ground level parts;
At least one connector; One end of said connector links to each other with the said first ground level parts; The other end of said connector links to each other with the said second ground level parts, and said at least one first ground level parts and said at least one connector form one or more conducting loop-shaped loop;
At least one antenna feed assembly wherein, has at least an antenna feed assembly that feed is carried out in said each conducting loop-shaped loop, and said antenna feed assembly comprises:
The antenna feed part, said antenna feed part links to each other with the radio receiver-transmitter of said portable terminal;
The feed connector, an end of said feed connector links to each other with said antenna feed part.
2. the antenna assembly that is used for portable terminal as claimed in claim 1; It is characterized in that; When the said first ground level assembly comprised one first ground level parts, the said first ground level parts were centered around the whole outer circumferential side of the said second ground level parts and separate with the said second ground level parts.
3. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, when the said first ground level assembly comprised two or more first ground level parts, the adjacent said first ground level parts linked to each other through conductive connection part.
4. the antenna assembly that is used for portable terminal as claimed in claim 3 is characterized in that, said conductive connection part is at least one in lead, inductance and the electric capacity.
5. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, said feed connector and the said first ground level assembly are through direct feed or coupled modes feed.
6. the antenna assembly that is used for portable terminal as claimed in claim 5; It is characterized in that; When said feed connector and the said first ground level assembly during through the coupled modes feed, the separated preset distance of the other end of said feed connector and the said first ground level inter-module.
7. the antenna assembly that is used for portable terminal as claimed in claim 5; It is characterized in that; When said feed connector and the said first ground level assembly during, between said feed connector and the said first ground level assembly, be filled with feed dielectric at least a portion slit, wherein through the coupled modes feed; The said feed dielectric that is adjacent to said feed connector one end is a metal medium, and the said feed dielectric that is adjacent to an end of the said first ground level assembly is a nonmetal medium.
8. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, said number of connecting pieces is one or more.
9. the antenna assembly that is used for portable terminal as claimed in claim 8 is characterized in that said antenna assembly comprises a plurality of resonance points.
10. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, also comprises one or more earth points, and wherein, said earth point is arranged on the position at said connector place.
11. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, said antenna feed part also comprises the antenna match unit, is used for the output impedance of said antenna assembly and the input impedance of corresponding load circuit are mated.
12. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, said feed connector is the parts of sheet metal or surface metalation.
13. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, the said first ground level assembly, the said second ground level parts and said at least one connector are integrally formed.
14. the antenna assembly that is used for portable terminal as claimed in claim 1 is characterized in that, said connector is sheet metal or conducting foam or pogo pin PogoPin.
15. a portable terminal is characterized in that, comprising:
Body is provided with radio receiver-transmitter in said body; With
At least one is like each described antenna assembly among the claim 1-14, and said antenna assembly is integrated on the interior PCB mainboard of said body.
16. one kind is utilized, and each said antenna assembly carries out feed method among the claim 1-14, it is characterized in that:
The radio receiver-transmitter of portable terminal emission electromagnetic signal, the said electromagnetic signal antenna feed assembly coupling feed through said antenna assembly is the said first ground level assembly extremely.
17. feed method as claimed in claim 16 is characterized in that, regulates said number of connecting pieces and the position between said first ground level assembly and the said second ground level parts to regulate the resonant frequency point of said antenna assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110323810.7A CN102509850B (en) | 2011-10-21 | 2011-10-21 | Mobile terminal, antenna device for mobile terminal, and feed method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110323810.7A CN102509850B (en) | 2011-10-21 | 2011-10-21 | Mobile terminal, antenna device for mobile terminal, and feed method |
Publications (2)
| Publication Number | Publication Date |
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| CN102509850A true CN102509850A (en) | 2012-06-20 |
| CN102509850B CN102509850B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110323810.7A Active CN102509850B (en) | 2011-10-21 | 2011-10-21 | Mobile terminal, antenna device for mobile terminal, and feed method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558755A (en) * | 2015-09-29 | 2017-04-05 | 深圳富泰宏精密工业有限公司 | Antenna modules and the radio communication device using the antenna modules |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000013118A (en) * | 1998-06-25 | 2000-01-14 | Matsushita Electric Ind Co Ltd | Antenna system for mobile communication terminal unit |
| CN1463477A (en) * | 2001-05-25 | 2003-12-24 | 皇家菲利浦电子有限公司 | Radio communications device with slot antenna |
| CN101682119A (en) * | 2007-06-21 | 2010-03-24 | 苹果公司 | antennas for handheld electronic devices with conductive bezels |
| CN101719598A (en) * | 2010-01-07 | 2010-06-02 | 华为终端有限公司 | Slit antenna, parameter regulation method and terminal thereof |
| CN202308291U (en) * | 2011-10-21 | 2012-07-04 | 深圳市信维通信股份有限公司 | Mobile terminal and antenna device applied to same |
-
2011
- 2011-10-21 CN CN201110323810.7A patent/CN102509850B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000013118A (en) * | 1998-06-25 | 2000-01-14 | Matsushita Electric Ind Co Ltd | Antenna system for mobile communication terminal unit |
| CN1463477A (en) * | 2001-05-25 | 2003-12-24 | 皇家菲利浦电子有限公司 | Radio communications device with slot antenna |
| CN101682119A (en) * | 2007-06-21 | 2010-03-24 | 苹果公司 | antennas for handheld electronic devices with conductive bezels |
| CN101719598A (en) * | 2010-01-07 | 2010-06-02 | 华为终端有限公司 | Slit antenna, parameter regulation method and terminal thereof |
| CN202308291U (en) * | 2011-10-21 | 2012-07-04 | 深圳市信维通信股份有限公司 | Mobile terminal and antenna device applied to same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558755A (en) * | 2015-09-29 | 2017-04-05 | 深圳富泰宏精密工业有限公司 | Antenna modules and the radio communication device using the antenna modules |
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|---|---|
| CN102509850B (en) | 2014-08-27 |
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Effective date of registration: 20201224 Address after: No.369 Jinlong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: XINWEI COMMUNICATION (JIANGSU) Co.,Ltd. Address before: Building 8, 9, Changxing hi tech Industrial Park, Wan'an Road, Shajing Town, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SUNWAY COMMUNICATION Co.,Ltd. |
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