CN105826687A - Distributed matched antenna device - Google Patents

Distributed matched antenna device Download PDF

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Publication number
CN105826687A
CN105826687A CN201510237447.5A CN201510237447A CN105826687A CN 105826687 A CN105826687 A CN 105826687A CN 201510237447 A CN201510237447 A CN 201510237447A CN 105826687 A CN105826687 A CN 105826687A
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China
Prior art keywords
support arm
metal support
coupling piece
antenna
electric capacity
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CN201510237447.5A
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CN105826687B (en
Inventor
陈玉稳
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201510237447.5A priority Critical patent/CN105826687B/en
Priority to PCT/CN2016/081624 priority patent/WO2016180328A1/en
Publication of CN105826687A publication Critical patent/CN105826687A/en
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Publication of CN105826687B publication Critical patent/CN105826687B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set

Abstract

The present application provides a distributed matched antenna device which is characterized in that the distributed matched antenna device comprises a motherboard, a feed source, a first metal support arm, a second metal support arm, an antenna coupling piece, and a first tuning device. The first metal support arm and the second metal support arm are arranged in a same straight line. The end of the first metal support arm and the end of the second metal support arm satisfy a set interval. The length of the first metal support arm is larger than that of the second metal support arm. The antenna coupling piece is arranged between the feed source and the first metal support arm. One side of the antenna coupling piece is connected to the feed source. The other side of the antenna coupling piece and the first metal support arm are coupled and connected. The first tuning device is arranged between the antenna coupling piece and the first metal support arm and is connected to the antenna coupling piece and the first metal support arm. Through the invention, the problems that high frequency and low frequency mutually interfere with each other and low frequency band and poor quality can not be considered at the same time are solved.

Description

A kind of antenna assembly of distributed matcher
Technical field
The application relates to communication technical field, particularly relates to the antenna assembly of a kind of distributed matcher.
Background technology
In the evolution of existing mobile terminal, product all develops towards the direction of slimming and strong metal texture, and the hand-held terminal device of slimming and strong metal texture brings huge challenge to undoubtedly the design of antenna.How to ensure that the quality of aerial signal is the difficult problem that the hand-held terminal device of slimming and strong metal texture always perplexs industry in the design process.
At present, in order to ensure the quality of the aerial signal in the hand-held terminal device of slimming and strong metal texture, the design generally used is: arrange coupling feed-in type antenna assembly in the hand-held terminal device of slimming and strong metal texture.Wherein, described coupling feed-in type antenna assembly uses a metal decoration body to be arranged on the front surface of handset shell, antenna branch one electrically connects with described metal decoration body, antenna branch two couples with antenna branch one, mainboard is connected with antenna branch one and antenna branch two by antenna connector, form the antenna loop of " hollow ", during to solve to hold mobile phone, the problem that communication performance declines.
But, described coupling feed-in type antenna assembly still suffers from problems, when aerial signal tunes, there is interference between low-and high-frequency, low-and high-frequency is difficult to take into account simultaneously, such as, when by high-frequency tuning to optimum matching point, proceed by low frequency tuning, but, due to interfering between low-and high-frequency, during low frequency tunes, high frequency can be affected by, and high frequency is difficult to be maintained at optimum matching point.Visible, in currently existing scheme, due to interfering between low-and high-frequency, it is difficult to find best match position and the matching value of low-and high-frequency.And, in order to adjust low frequency, antenna branch two is generally located on inner position (near the inner side of antenna branch one), and both interact, and are unfavorable for radiation, and low frequency bandwidth is of poor quality.
Summary of the invention
The application provides the antenna assembly of a kind of distributed matcher, interferes solving low-and high-frequency, it is difficult to take into account, the ropy problem of low frequency bandwidth simultaneously.
In order to solve the problems referred to above, this application discloses the antenna assembly of a kind of distributed matcher, including: mainboard, feed, the first metal support arm, the second metal support arm, antenna coupling piece and the first tuner;
Wherein,
Described first metal support arm and described second metal support arm are arranged on the same line, and the end of described first metal support arm and the end of described second support arm meet setting interval;The length of described first metal support arm is more than the length of described second metal support arm;
Described antenna coupling piece is arranged between described feed and described first metal support arm, and the side of described antenna coupling piece is connected with described feed, and the opposite side of described antenna coupling piece is of coupled connections with described first metal support arm;
Described first tuner is arranged between described antenna coupling piece and described first metal support arm, is connected with described antenna coupling piece and described first metal support arm respectively.
Preferably, described first tuner includes:
First preseting length that be made up of at least one tinsel, satisfied and/or first sets the first cabling of shape, and, the first electric capacity;
Described antenna coupling piece, the first cabling, the first electric capacity and described first metal support arm are sequentially connected with in order.
Preferably, described first electric capacity includes: the coupling electric capacity of lumped capacity or two-layer wiring.
Preferably, the equivalent inductance value of described first cabling includes: the arbitrary value between 10 to 47nH;
The capacitance of described first electric capacity includes: the arbitrary value between 0.5 to 4.7pF.
Preferably, described antenna assembly also includes: the second electric capacity;
Described second electric capacity is arranged between described first metal support arm and described antenna coupling piece.
Preferably, described antenna assembly also includes: the 3rd electric capacity and/or the second inductance;
Wherein, described 3rd electric capacity is arranged between described first metal support arm and described mainboard, and/or, described second inductance is arranged between described first metal support arm and described mainboard.
Preferably, described antenna assembly also includes: second tune device;
Described second tune device includes: the second preseting length that be made up of at least one tinsel, satisfied and/or second sets the second cabling of shape, and, the 3rd inductance;
Described antenna coupling piece, described second cabling, described 3rd inductance and described first metal support arm are sequentially connected with in order.
Preferably, described antenna assembly also includes: the first inductance;
Described second metal support arm is connected with described mainboard by described first inductance.
Preferably, described antenna assembly also includes: the first frame;Wherein, described first frame is metal edge frame;
Described mainboard is arranged in described metal edge frame;Wherein, described metal edge frame includes a minor face;
Being provided with breakpoint on described minor face, described minor face is divided into two parts that length does not waits by described breakpoint;Wherein, the Part I that length is longer is described first metal support arm, and the shorter Part II of length is described second metal support arm.
Preferably, described antenna assembly also includes: the second frame;Wherein, described second frame is nonmetal frame;
Described mainboard is arranged in described nonmetal frame;
Described first metal support arm and described second metal support arm are fixed on the setting position of described nonmetal frame.
Compared with prior art, the application includes advantages below:
This application provides the antenna assembly of a kind of distributed matcher, including: mainboard, feed, the first metal support arm, the second metal support arm, antenna coupling piece, the first tuner and the first inductance;Wherein, described antenna coupling piece is arranged between described feed and described first metal support arm, it is additionally provided with the first tuner between described antenna coupling piece and described first metal support arm, low frequency signal can be isolated by the first tuner, and high-frequency signal is retained on coupling piece, it is to avoid interfering between low-and high-frequency during debugging, low-and high-frequency is relatively independent, achieve and take into account while low-and high-frequency, it is possible to achieve the independent tuning of low-and high-frequency.
Further, the first tuner can be equivalent to a LC series resonant circuit device, at the low frequency of low-frequency range, first tuner can be equivalent to electric capacity, and in the high frequency points of low-frequency range, the first tuner can be equivalent to inductance, expand bandwidth, improve the impedance match of antenna..
In addition, the antenna assembly using the first tuner and described first inductance constitutes distributed matcher network, in described distributed matcher network, except can to distributed element (as, first tuner and the first inductance) outside value is adjusted, the position of distributed element can also be adjusted, add point of adjustment, by the coordination of distributed element value and/or distributed element position is regulated, it is more prone to find optimal matched position and matching value, improves matching efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the antenna assembly of a kind of distributed matcher in the embodiment of the present application one;
Fig. 2 is the structural representation of the antenna assembly of a kind of distributed matcher in the embodiment of the present application two;
Fig. 3 a is the structural representation of a kind of first elongated cabling in the embodiment of the present application two;
Fig. 3 b is the structural representation of another the first elongated cabling in the embodiment of the present application two;
Fig. 3 c is the structural representation of another the first elongated cabling in the embodiment of the present application two;
Fig. 3 d is the structural representation of another kind of first elongated cabling in the embodiment of the present application two;
Fig. 4 is a kind of Smith chart in the embodiment of the present application two.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the application, feature and advantage to become apparent from, with detailed description of the invention, the application is described in further detail below in conjunction with the accompanying drawings.
Embodiment one
With reference to Fig. 1, it is shown that the structural representation of the antenna assembly of a kind of distributed matcher in the embodiment of the present application one.In the present embodiment, described distributed antenna assembly includes: mainboard 1, feed the 2, first metal support arm the 3, second metal support arm 4, antenna coupling piece 5 and the first tuner 6.
As it is shown in figure 1, the first metal support arm 3 and described second metal support arm 4 arrange on the same line, the end of described first metal support arm 3 and the end 4 of described second support arm meet setting interval.The breakpoint generally arranged during interval can be understood as antenna parameter tuning is set it should be noted that described.The length of described first metal support arm 3 is more than the length of described second metal support arm 4.The first metal support arm 3 that length is longer produces low-frequency resonant and high frequency secondary resonance, and shorter the second metal arm 4 of length produces high-frequency resonant.
Described antenna coupling piece 5 is arranged between described feed 2 and described first metal support arm 3, and the side of described antenna coupling piece 5 is connected with described feed 2, and the opposite side of described antenna coupling piece 5 is of coupled connections with described first metal support arm 3.Described first tuner 6 is arranged between described antenna coupling piece 5 and described first metal support arm 3, is connected with described antenna coupling piece 5 and described first metal support arm 3 respectively.Described first tuner 6 can be a LC series resonant circuit device, has expanded bandwidth, has improve the impedance match of antenna.Simultaneously, low frequency signal can be isolated by the first tuner 6, high-frequency signal is retained on coupling piece 5, avoid influencing each other of high and low frequency signal during debugging, the independence debugging of high frequency or low frequency signal can be realized, need not take into account mutually, simplify debugging operations, can more convenient, rapidly by parameter testing to standard-required.
In sum, in the present embodiment, the antenna assembly of described distributed matcher includes: mainboard, feed, the first metal support arm, the second metal support arm, antenna coupling piece and the first tuner;Wherein, described antenna coupling piece is arranged between described feed and described first metal support arm, it is additionally provided with the first tuner between described antenna coupling piece and described first metal support arm, low frequency signal can be isolated by the first tuner, and high-frequency signal is retained on coupling piece, it is to avoid interfering between low-and high-frequency during debugging, low-and high-frequency is relatively independent, achieve and take into account while low-and high-frequency, it is possible to achieve the independent tuning of low-and high-frequency.
Further, the first tuner can be equivalent to a LC series resonant circuit device, at the low frequency of low-frequency range, first tuner can be equivalent to electric capacity, and in the high frequency points of low-frequency range, the first tuner can be equivalent to inductance, expand bandwidth, improve the impedance match of antenna.
In addition, the antenna assembly using the first tuner and described first inductance constitutes distributed matcher network, in described distributed matcher network, except can to distributed element (as, first tuner and the first inductance) outside value is adjusted, the position of distributed element can also be adjusted, add point of adjustment, by the coordination of distributed element value and/or distributed element position is regulated, it is more prone to find optimal matched position and matching value, improves matching efficiency.
Embodiment two
With reference to Fig. 2, it is shown that the structural representation of the antenna assembly of a kind of distributed matcher in the embodiment of the present application two.In the present embodiment, the antenna assembly of described distributed matcher includes: mainboard 1, feed the 2, first metal support arm the 3, second metal support arm 4, antenna coupling piece the 5, first tuner 6 and the first inductance 7.
As shown in Figure 2, it is preferable that described antenna assembly also includes: frame 8.Described mainboard 1 is arranged in described frame 8.It should be noted that described frame 8 can be metal edge frame (that is, first frame), it is also possible to be non-metal edge frame (that is, second frame).Described frame 8 can be any one suitable shape, such as, and the rectangle frame that current mobile terminal generally uses.
Illustrate as a example by the rectangle frame shown in Fig. 2:
If described frame 8 is metal edge frame (the first frame), then a wherein minor face 81 of described frame 8 can be selected as described first metal support arm 3 and described second metal support arm 4.Preferably, breakpoint 82 can be set on described minor face 81, described minor face 81 is divided into length and does not waits two parts by described breakpoint 82, and the longer Part I of length can be as described first metal support arm 3, and the shorter Part II of length can be as described second metal support arm 4.
If described frame 8 is non-metal edge frame (the second frame), then antenna (sheet) can be selected as described first metal support arm 3 and described second metal support arm 4.That is, can be using antenna (sheet) as rapidoprint, processing is met length and the first metal support arm 3 of shape need and described second metal support arm 4 respectively.Then, the first metal support arm 3 processing obtained and the second metal support arm 4 are separately fixed at the setting position in described frame 8, for example, it is possible to be fixed on the top of the minor face 81 shown in Fig. 2.It should be noted that when fixing described first metal support arm 3 and described second metal support arm, need to ensure the first metal support arm 3 after fixing and the second metal support arm 4 on the same line, both ends are oppositely arranged, and meet the spacing distance required by breakpoint.
It should be noted that in the present embodiment, the length of described first metal support arm 3 is more than the length of described second metal support arm 4.
In the present embodiment, described second metal support arm 4 is connected with described mainboard 1 by described first inductance 7.In other words, described first inductance 7 is arranged between described second metal support arm 4 and described mainboard 1.Preferably, when arranging, described first inductance 7 is arranged at the terminal position of described second metal support arm 4 and (arranges near described first metal support arm 3).In the present embodiment, i.e. can realize the regulation to high-frequency resonant frequency by the inductance value regulating described inductance 7, the shape and structure of frame 8 (or, metal support arm) need not be revised, it is ensured that the versatility of processing mold.Particularly when needing the value being preserved high-frequency resonant frequency by the length lengthening described second metal support arm 4, according to existing technical scheme, then need again to make metal support arm, and in the present embodiment, can be realized by the size regulating described first inductance 7, simplify flow process, and improve tunable frequency range and precision.
Described antenna coupling piece 5 is arranged on described feed 2 and described first metal props up between 3 arms, and the side of described antenna coupling piece 5 is connected with described feed 2, and the opposite side of described antenna coupling piece 5 is of coupled connections with described first metal support arm 3.Preferably, in order to ensure the stiffness of coupling between antenna coupling piece 5 and described first metal support arm 3, described antenna assembly can also include: the second electric capacity 9.Described second electric capacity 9 is arranged between antenna coupling piece 5 and described first metal support arm 3, and the specifications parameter (capacitance) of described second electric capacity 9 can carry out adaptive selection according to the demand of stiffness of coupling.
Described first tuner 6 is arranged between described antenna coupling piece 5 and described first metal support arm 3, is connected with described antenna coupling piece 5 and described first metal support arm 3 respectively.Preferably, as in figure 2 it is shown, described first tuner 6 may include that the first cabling 61 and the first electric capacity 62.Wherein, described first cabling 61 may is that the first preseting length that be made up of at least one tinsel, satisfied and/or first sets the elongated metal wire of shape.Described antenna coupling piece the 5, first cabling the 61, first electric capacity 62 and described first metal support arm are sequentially connected with in order.Wherein, described first electric capacity 62 can be finely tuned extraly, it is easier to finds optimal matched position and matching value.
In the present embodiment, described first cabling 61 can be equivalent to an inductance, in other words, it is possible to use is equivalent to the inductance of described first cabling to replace described first cabling 61.Certainly, the effect of described first cabling 61 is not only inductance, described first cabling 61 can also simultaneously participate in the radiation of antenna, the shape of described first cabling 61 can affect the CURRENT DISTRIBUTION of antenna system, such as, first cabling 61 of a certain setting shape is arranged between object A and object B that (described setting is shaped such that a portion of described first cabling 61 is near object A, another part is near object B), then stiffness of coupling object A and object B between can be greatly enhanced.When reality is applied, shape and the length of described first cabling 61 can be set as the case may be.Below in conjunction with Fig. 3 a-3d, give several preferably shapes and the example of length of the first cabling 61, those skilled in the art are in the case of understanding the application thinking, can also design the first cabling of other difformities, thickness, length, the present embodiment content should not be construed as the restriction to the application.
Such as Fig. 3 a, it is shown that the structural representation of a kind of first elongated cabling in the embodiment of the present application two.Preferably, when elected capacitance is first electric capacity 62 of 2.35pF, then the groups of metal filaments that at least width can be selected to be 0.15mm becomes first cabling 61 of a length of 18mm.Wherein, the shape of described first cabling 61 can be the first setting shape (round "the" shape shape) as shown in Figure 3 a.One end of described first cabling 61 is directly connected to described antenna coupling piece 5, and the other end is then connected with described first electric capacity 62.
Such as Fig. 3 b, it is shown that the structural representation of another the first elongated cabling in the embodiment of the present application two.Preferably, when elected capacitance is first electric capacity 62 of 1pF, then the groups of metal filaments that at least width can be selected to be 0.1mm becomes first cabling 61 of a length of 24mm.Wherein, the shape of described first cabling 61 can be the second setting shape (initiating terminal to end is clockwise around the tubular shape formed) as shown in Figure 3 b.One end (initiating terminal) of described first cabling 61 is of coupled connections with described antenna coupling piece 5, and the other end (end) is then connected with described first electric capacity 62.
Such as Fig. 3 c, it is shown that the structural representation of another the first elongated cabling in the embodiment of the present application two.Preferably, when elected capacitance is first electric capacity 62 of 0.5pF, then the groups of metal filaments that at least width can be selected to be 0.15mm becomes first cabling 61 of a length of 42mm.Wherein, the shape of described first cabling 61 can be the 3rd setting shape (being folded into several word shapes of multiple " several " font the most successively) as shown in Figure 3 c.One end of described first cabling 61 is directly connected to described antenna coupling piece 5, and the other end is then connected with described first electric capacity 62
Such as Fig. 3 d, it is shown that the structural representation of another kind of first elongated cabling in the embodiment of the present application two.Preferably, when elected capacitance is first electric capacity 62 of 0.5pF, then the groups of metal filaments that at least one width can be selected to be 0.1mm becomes first cabling 61 of a length of 40mm.Wherein, the shape of described first cabling 61 can be the 4th setting shape (initiating terminal to end is counterclockwise around the tubular shape formed) as shown in Figure 3 c.One end (initiating terminal) of described first cabling 61 is of coupled connections with described antenna coupling piece 5, and the other end (end) is then connected with described first electric capacity 62.
It should be noted that described first electric capacity 62 can be the coupling electric capacity of lumped capacity or two-layer wiring.This is not restricted by the present embodiment.In the present embodiment, a kind of span of the preferably first cabling 61 and the first electric capacity 62 can be such that the first cabling 61 equivalent inductance value (namely, after described first cabling 61 is set to preseting length and shape, the equivalent inductance value corresponding to described first cabling 61) scope be: the arbitrary value between 10 to 47nH;Corresponding to the value of described first cabling 61, the span of the capacitance of described first electric capacity 62 may is that the arbitrary value between 0.5 to 4.7pF.Those skilled in the art it will be clear that time, concrete value can be optimized according to practical situation.
Such as, preferably, equivalent inductance value be 10nH the first cabling 61 (as, a width of 0.15mm, the equivalent inductance of the first cabling 61 of a length of 19mm are about 10nH) use can be mated with the first electric capacity 62 that capacitance is 2.3pF, form described first tuner 6 (being equivalent to LC series resonant circuit device) and be arranged between described mainboard 1 and described first metal support arm 3.
With reference to Fig. 4, it is shown that a kind of Smith chart (Smith figure) in the embodiment of the present application two.
In the present embodiment, do not connect between the first metal support arm 3 and antenna coupling piece 5 first tuner 6 time, corresponding impedance curve is the heavy line curve in Fig. 4.Connect after the first tuner 6 between the first metal support arm 3 and antenna coupling piece 5, low frequency in low-frequency range, described first tuner 6 is equivalent to C (electric capacity), high frequency points in low-frequency range, described first tuner 6 is equivalent to L (inductance), corresponding impedance curve is the dashed curve in Fig. 4, hence it is evident that improve bandwidth.
In this embodiment, it is preferred that, described antenna assembly can also include: the 3rd electric capacity 10 and/or the second inductance 11.Wherein, described 3rd electric capacity 10 is arranged between described first metal support arm 3 and described mainboard 1;Described second inductance 11 is arranged between described first metal support arm 3 and described mainboard 1.In other words, at least one can be selected to be arranged between described first metal support arm 3 and described mainboard 1 from the 3rd electric capacity 10 and the second inductance 11.The impedance matching of high frequency is optimized further by the 3rd electric capacity 10 being arranged between described first metal support arm 3 and described mainboard 1 or the second inductance 11.
In this embodiment, it is preferred that, described antenna assembly can also include: second tune device 12.Described second tune device 12 includes: the second preseting length that be made up of at least one tinsel, satisfied and/or second sets the second cabling 121 of shape, and, the 3rd inductance 122.Described antenna coupling piece 5, described second cabling 121, described 3rd inductance 122 and described first metal support arm 3 are sequentially connected with in order.It should be noted that the shape of described second cabling 121 and length can use any one suitable mode to arrange (setting being referred to above-mentioned first cabling 61) according to practical situation.Described second tune device 12 the impact counteracting antenna coupling piece 5 further to low frequency is set so that high-frequency signal and low frequency signal are the most independent, will not influence each other, be more easy to tuning tuning when.
Such as, in the present embodiment, in order to meet high frequency requirements, can select the coupling electric capacity of 1.2pF as described second electric capacity, but the coupling electric capacity of described 1.2pF can to low frequency produce negative interaction.Now, second tune device 12 that equivalent inductance can be selected to be 27nH (namely, equivalent inductance after described second cabling 121 and described 3rd inductance 122 series connection is 27nH) it is arranged between described first metal support arm 3 and described mainboard 1, the coupling electric capacity of 1.2pF is in parallel with the equivalent inductance of 27nH, low frequency is equivalent to 0.04pF, being reduced to 0.04pF by 1.2pF, negative interaction diminishes, and reduces the impact on low frequency.And, for high frequency, the coupling electric capacity of 1.2pF is in parallel with the equivalent inductance of 27nH, is 1pF to high frequency equivalent, does not interferes with high frequency.
In the present embodiment, as mentioned above, preferably, the predominating path of low-frequency resonant can be: the first metal support arm 3 wire (connecting the wire between the first metal support arm 3 and the first electric capacity 62) the first electric capacity 62 first cabling 61 antenna coupling piece 4 feed 4.The predominating path of high-frequency resonant can be: second metal arm 4 Space Coupling the first metal arm 3 antenna coupling piece 5 feed 2.The tuning of high and low frequency is more independent, is independent of each other, it is easier to find optimal matched position and matching value.
It should be noted that electric capacity involved in the present embodiment and inductance can be lamped element or the distributed element of any one suitable parameter specification.This is not restricted by the present embodiment.
In sum, in the present embodiment, the antenna assembly of described distributed matcher includes: mainboard, feed, the first metal support arm, the second metal support arm, antenna coupling piece, the first tuner and the first inductance;Wherein, described antenna coupling piece is arranged between described feed and described first metal support arm, it is additionally provided with the first tuner between described antenna coupling piece and described first metal support arm, low frequency signal can be isolated by the first tuner, and high-frequency signal is retained on coupling piece, it is to avoid interfering between low-and high-frequency during debugging, low-and high-frequency is relatively independent, achieve and take into account while low-and high-frequency, it is possible to achieve the independent tuning of low-and high-frequency.
Further, the first tuner can be equivalent to a LC series resonant circuit device, at the low frequency of low-frequency range, first tuner can be equivalent to electric capacity, and in the high frequency points of low-frequency range, the first tuner can be equivalent to inductance, expand bandwidth, improve the impedance match of antenna.
In addition, the antenna assembly using the first tuner and described first inductance constitutes distributed matcher network, in described distributed matcher network, except can to distributed element (as, first tuner and the first inductance) outside value is adjusted, the position of distributed element can also be adjusted, add point of adjustment, by the coordination of distributed element value and/or distributed element position is regulated, it is more prone to find optimal matched position and matching value, improves matching efficiency.
Each embodiment in this specification all uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, and between each embodiment, identical similar part sees mutually.
Above the antenna assembly of a kind of distributed matcher provided herein is described in detail, principle and the embodiment of the application are set forth by specific case used herein, and the explanation of above example is only intended to help and understands the present processes and core concept thereof;Simultaneously for one of ordinary skill in the art, according to the thought of the application, the most all will change, in sum, this specification content should not be construed as the restriction to the application.

Claims (10)

1. the antenna assembly of a distributed matcher, it is characterised in that including: mainboard, feed, the first metal support arm, the second metal support arm, antenna coupling piece and the first tuner;
Wherein,
Described first metal support arm and described second metal support arm are arranged on the same line, and the end of described first metal support arm and the end of described second support arm meet setting interval;The length of described first metal support arm is more than the length of described second metal support arm;
Described antenna coupling piece is arranged between described feed and described first metal support arm, and the side of described antenna coupling piece is connected with described feed, and the opposite side of described antenna coupling piece is of coupled connections with described first metal support arm;
Described first tuner is arranged between described antenna coupling piece and described first metal support arm, is connected with described antenna coupling piece and described first metal support arm respectively.
2. antenna assembly as claimed in claim 1, it is characterised in that described first tuner includes:
First preseting length that be made up of at least one tinsel, satisfied and/or first sets the first cabling of shape, and, the first electric capacity;
Described antenna coupling piece, the first cabling, the first electric capacity and described first metal support arm are sequentially connected with in order.
3. antenna assembly as claimed in claim 2, it is characterised in that described first electric capacity includes: the coupling electric capacity of lumped capacity or two-layer wiring.
4. antenna assembly as claimed in claim 2, it is characterised in that
The equivalent inductance value of described first cabling includes: the arbitrary value between 10 to 47nH;
The capacitance of described first electric capacity includes: the arbitrary value between 0.5 to 4.7pF.
5. antenna assembly as claimed in claim 1, it is characterised in that also include: the second electric capacity;
Described second electric capacity is arranged between described first metal support arm and described antenna coupling piece.
6. antenna assembly as claimed in claim 1, it is characterised in that also include: the 3rd electric capacity and/or the second inductance;
Wherein, described 3rd electric capacity is arranged between described first metal support arm and described mainboard, and/or, described second inductance is arranged between described first metal support arm and described mainboard.
7. antenna assembly as claimed in claim 1, it is characterised in that also include: second tune device;
Described second tune device includes: the second preseting length that be made up of at least one tinsel, satisfied and/or second sets the second cabling of shape, and, the 3rd inductance;
Described antenna coupling piece, described second cabling, described 3rd inductance and described first metal support arm are sequentially connected with in order.
8. antenna assembly as claimed in claim 1, it is characterised in that also include: the first inductance;
Described second metal support arm is connected with described mainboard by described first inductance.
9. the antenna assembly as described in claim 1-8 any claim, it is characterised in that also include: the first frame;Wherein, described first frame is metal edge frame;
Described mainboard is arranged in described metal edge frame;Wherein, described metal edge frame includes a minor face;
Being provided with breakpoint on described minor face, described minor face is divided into two parts that length does not waits by described breakpoint;Wherein, the Part I that length is longer is described first metal support arm, and the shorter Part II of length is described second metal support arm.
10. the antenna assembly as described in claim 1-8 any claim, it is characterised in that also include: the second frame;Wherein, described second frame is nonmetal frame;
Described mainboard is arranged in described nonmetal frame;
Described first metal support arm and described second metal support arm are fixed on the setting position of described nonmetal frame.
CN201510237447.5A 2015-05-11 2015-05-11 A kind of antenna assembly of distributed matcher Active CN105826687B (en)

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Application Number Priority Date Filing Date Title
CN201510237447.5A CN105826687B (en) 2015-05-11 2015-05-11 A kind of antenna assembly of distributed matcher
PCT/CN2016/081624 WO2016180328A1 (en) 2015-05-11 2016-05-11 Distributed matching antenna device

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