CN109075425A - A kind of antenna and its application method, mobile terminal of mobile terminal - Google Patents
A kind of antenna and its application method, mobile terminal of mobile terminal Download PDFInfo
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- CN109075425A CN109075425A CN201680084203.0A CN201680084203A CN109075425A CN 109075425 A CN109075425 A CN 109075425A CN 201680084203 A CN201680084203 A CN 201680084203A CN 109075425 A CN109075425 A CN 109075425A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—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
Abstract
A kind of antenna and its application method, mobile terminal of mobile terminal, the antenna include: radiating element, feeding point, and the connection radiating element and ground ground line；It further include at least two connecting lines being connect with the radiating element；Wherein, a connecting line at least two connecting line is optionally switched to feeding point or vacant state, at least one connecting line in remaining connecting line can between feeding point and ground selective connection；Only have a connecting line and at least two connecting line in selective connection, at least two connecting line to connect with the feeding point.In the above-mentioned technical solutions, the switching with feeding point is grounded by the connecting line of setting, to change the radiation effect of antenna, and then avoids people from being in one's hands and influence the radiation effect of antenna when stopping machine, improves the communication performance of antenna.
Description
The present invention relates to the antennas and its application method of the technical field of communication more particularly to a kind of mobile terminal, mobile terminal.
In all-metal framework mobile phone, metal shell, that is, antenna, most metals framework antenna scheme is all realization of cracking in metal rear shell at present, and the maximum drawback of this design is when talking state, and manpower, which encounters gap, will cause the degradation (" dead holds ") of signal.Rear shell mode of cracking is usually medianly zygomorphic, and there are mainly two types of common " dead holds " grip positions: 1, unilateral seam is held, another latasuture is not held (majority of case)；2, two latasutures are all held extremely.Currently used antenna design is bottom single antenna, and radiation arm be typically all it is unidirectional, when the seam of radiation arm side is held and another latasuture is still open, antenna can also be held extremely, considerably increase the probability of death held in this way.
Summary of the invention
The present invention provides a kind of antenna of mobile terminal and its application methods, mobile terminal, the communication efficiency of the volume antenna to improve mobile terminal.
The present invention provides a kind of antenna of mobile terminal, the antenna include: radiating element, feeding point, and the connection radiating element and ground ground line；It further include at least two connecting lines being connect with the radiating element；Wherein, a connecting line at least two connecting line is optionally switched to feeding point or vacant state, at least one connecting line in remaining connecting line can between feeding point and ground selective connection；Only have a connecting line and at least two connecting line in selective connection, at least two connecting line to connect with the feeding point.
In the above-mentioned technical solutions, the switching with feeding point is grounded by the connecting line of setting, to change the radiation effect of antenna, and then avoids people from being in one's hands and influence the radiation effect of antenna when stopping machine, improves the communication performance of antenna.
In a preferred technical solution, at least two connecting line includes the first connecting line and the second connecting line；
First connecting line includes the first main line, the first branch line and the second branch line connecting with the radiating element, and second branch line with described is connect；Selective connection is switched by first choice between first main line and first branch line and the second branch line；
The feeding point is by the second selective switch and first branch line and the second connecting line selective connection, and second connecting line is optionally switched to the feeding point and vacant state by second selective switch.
In an other technical solution, at least two connecting line includes the first connecting line, the second connecting line and third connecting line, and first connecting line and the third connecting line are arranged on second signal line two sides；
First connecting line includes the first main line, the first branch line and the second branch line connecting with the radiating element, and second branch line with described is connect；Selective connection is switched by first choice between first main line and first branch line and the second branch line；
The feeding point is by the second selective switch and first branch line and the second connecting line selective connection, and second connecting line is optionally switched to the feeding point and vacant state by second selective switch；
The third connecting line includes the second main line and multiple third branch lines, and each third branch line with described is connect, and the adjustment component for adjusting antenna frequencies is provided on each third branch line of the third connecting line；Second main line passes through third selective switch and the multiple third branch line selective connection.
In a specific embodiment, the third connecting line further includes the 4th branch line, and second main line and the third branch line and the 4th branch line pass through the third selective switch selective connection；The feeding point also passes through second selective switch and the 4th branch line selective connection.I.e. feeding point can switch the switching between the first connecting line, the second connecting line and third connecting line respectively, change the feed placement and earthing position of feed line, and then change the performance of antenna.
In a specific scheme, use is also equipped on second branch line and second connecting line
In the adjustment component of the frequency of debugging antenna.The fine tuning to antenna band is realized by the adjustment component of setting.
In specific setting, the adjustment component is inductively or capacitively.By the capacitor of setting the frequency range of antenna is walked toward high frequency, by the inductance of setting the frequency range of antenna is walked toward low frequency, is i.e. the frequency range by the way that the above-mentioned adjustment adjustable antenna of component is arranged on the second branch line, third branch line and the second connecting line.
In a specific scheme, the match circuit for debugging the return loss of the antenna is respectively arranged on first branch line and second connecting line.In the above scheme, the adjustable purpose of the resonance for antenna being realized by the match circuit of setting.
In specific setting, the match circuit includes concatenated inductance and tunable capacitor, and the fixed capacity being arranged between tunable capacitor and the ground.
Wherein, when the third connecting line includes four branch line, the match circuit is also equipped on the 4th branch line.So that the resonance of antenna is also adjustable when third connecting line is connect with feeding point.
In a preferred scheme, inductance is provided on the ground line.
The present invention also provides a kind of application method of antenna, the antenna include: radiating element, feeding point, and the connection radiating element and ground ground line；It further include at least two connecting lines being connect with the radiating element；Wherein, a connecting line at least two connecting line is optionally switched to feeding point or vacant state, at least one connecting line in remaining connecting line can between feeding point and ground selective connection；And at least two connecting line in selective connection, only a connecting line is connect with the feeding point at least two connecting line；It the described method comprises the following steps:
According to the signal strength at the radiating element both ends of antenna, the feeding point and ground of the signal wire connection of the radiating element connection are determined；
The feeding point and ground of determining signal wire connection are switched to by selective switch.
In the above-mentioned technical solutions, the switching with feeding point is grounded by the connecting line of setting, to change the radiation effect of antenna, and then avoids people from being in one's hands and influence the radiation effect of antenna when stopping machine, improves the communication performance of antenna.
When at least two connecting line includes the first connecting line and the second connecting line, the feed and ground that determining signal wire connection is switched to by selective switch specifically:
When the feeding point is connect with first connecting line, second connecting line is hanging；
When the feeding point is connect with second connecting line, the first connecting line ground connection.
In addition, when at least two connecting line includes the first connecting line, the second connecting line and third connecting line, the feed and ground that determining signal wire connection is switched to by selective switch specifically:
When the feeding point is connect with first connecting line, second connecting line is hanging, third connecting line ground connection；
When the feeding point is connect with second connecting line, first connecting line and third connecting line ground connection；
When the feeding point is connect with the third connecting line, first connecting line is grounded, and the second connecting line is hanging.
The embodiment of the invention also provides a kind of mobile terminals, the mobile terminal includes metal shell and antenna described in any of the above embodiments, it further include the mainboard being arranged in the metal shell, wherein, the metal shell is the radiating element, on the main board, the ground and the connecting line are arranged in the metal shell for the feeding point setting.
In the above-mentioned technical solutions, the switching with feeding point is grounded by the connecting line of setting, to change the radiation effect of antenna, and then avoids people from being in one's hands and influence the radiation effect of antenna when stopping machine, improves the communication performance of antenna.
Setting has the gap on the metal shell, and the metal shell is cut into two parts by the gap, and a part of the metal shell is the radiating element, and the gap is the U-shaped gap that the metal shell bottom is arranged in；Or for the linear gap at the metal shell back is arranged in；Or the gap to be arranged on the metal shell downside wall.I.e. the metal shell can select according to the actual situation different cutting modes to be formed.
Fig. 1 is the structural schematic diagram of the antenna for the mobile terminal that the embodiment of the present invention 1 provides；
Fig. 2 is the circuit diagram for the match circuit that the embodiment of the present invention 1 provides；
Fig. 3 is the structural schematic diagram of the antenna for the mobile terminal that the embodiment of the present invention 2 provides；
Fig. 4 is the structural schematic diagram of the antenna for the mobile terminal that the embodiment of the present invention 3 provides；
Fig. 5~Fig. 8 is the structural schematic diagram of metal shell provided in an embodiment of the present invention.
Appended drawing reference:
10- metal shell 20- radiating element 30- ground line
40- third connecting line 41- the second main line 42- third branch line
43- adjusts the 4th branch line 50- the first connecting line the first main line of 51- of component 44-
52- the second branch line 53- the first branch line 54- adjusts component
60- first choice switch 70- match circuit 71- inductance
72- tunable capacitor 73- fixed capacity 80- third selective switch
90- the second selective switch the second connecting line of 100-
101- feeding point
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be describe below in further detail with reference to the accompanying drawings, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, shall fall within the protection scope of the present invention.
Firstly the need of explanation, mobile terminal provided in this embodiment can be the common mobile communication equipments transmitted using antenna as signal such as tablet computer, mobile phone, take the mobile phone as an example be illustrated below.In the present embodiment, the antenna includes the basic structure of antenna common in the art, that is feed, radiating element and ground connection, the radiating element of the antenna provided in the present embodiment is a part (cutting the metal shell of mobile phone open, radiating element of a part therein as antenna) of mobile phone metal shell.
As shown in Figure 1, Fig. 1 shows antenna structure provided in an embodiment of the present invention.
The embodiment of the invention provides a kind of antenna of mobile terminal, the antenna using feeding point 101 and ground mixing switching principle, specifically, the antenna include: radiating element 20, feeding point 101, and
Connect the ground line 30 on radiating element 20 and ground；It further include at least two connecting lines being connect with radiating element 20；Wherein, a connecting line at least two connecting lines is optionally switched to feeding point 101 or vacant state, at least one connecting line in remaining connecting line can between feeding point 101 and ground selective connection；Only have a connecting line and at least two connecting lines in selective connection, at least two connecting lines to connect with feeding point 101.
In the above-described embodiments, the radiating element 20 in antenna, feeding point 101 and ground are identical as the function of the antenna of mobile terminal in the prior art, and in this not go into detail.The improvement of the present embodiment is to change radiating element 20 and ground, connection between radiating element 20 and feeding point 101, specifically, in the present embodiment, pass through 30 connection of ground line between ground and radiating element 20, and the first connecting line 50 and the second connecting line 100 are provided on radiating element 20, two connecting lines are arranged side by side, in connecting line and feeding point 101 and ground selective connection, meet following uniqueness: when a connecting line is connect with feeding point 101, remaining connecting line cannot be connect with feeding point 101.In specific connection, when one of connecting line is connect with feeding point 101, the connecting line is as feed line, remaining connecting line is connected to ground as ground line, or remaining ground line is hanging, at this point, the connecting line not connecting with feeding point 101 no longer works.
In the above-described embodiments, in order to guarantee uniqueness that feeding point 101 connects, selective switch can be set in feeding point 101, such as single pole multiple throw or integrated chip, to guarantee that feeding point 101 is only connect with a connecting line therein.
When disclosed antenna is specifically used in the above-described embodiments, it takes the mobile phone as an example, when mobile phone is held, when there is " dead holds ", the connecting line connected by selective switch switched feed point 101, so that signal launches signal from the side that radiating element 20 is not held, to avoid the occurrence of " dead holds ", the launching effect of signal is improved.
In order to facilitate antenna provided in this embodiment is understood, it is described in detail below with reference to specific attached drawing and embodiment.
Embodiment 1
As shown in Figure 1, the number of connecting line provided in this embodiment is three, and respectively the first connecting line 50, the second connecting line 100 and third connecting line 40, wherein the second connecting line 100 is located at centre, the
One connecting line 50 and third connecting line 40 are arranged on 100 two sides of the second connecting line, wherein, second connecting line 100 is arranged near feeding point 101, the position that ground line 30 and radiating element 20 connect is located between the position of the second connecting line 100 and the connection of third connecting line 40 and radiating element 20, and is located at close to the side of the second connecting line 100.Specifically setting position is related with frequency range of the antenna when selecting the first connecting line 50 and third connecting line 40 as feed line for first connecting line 50 and third connecting line 40, such as the position that the position of the first connecting line 50 setting is corresponding 1/4 wavelength of antenna intermediate frequency, the position that third connecting line 40 is arranged is the position of corresponding 1/4 wavelength of antenna high frequency.In specific setting, can be set according to the actual conditions of antenna.
In the present embodiment, feeding point 101 is provided with selective switch, second selective switch 90 i.e. as shown in Figure 1, in the present embodiment, second selective switch of switch 90 is single-pole double-throw switch (SPDT), the non-moving end of the single-pole double-throw switch (SPDT) is connect with feeding point 101, moved end is connect with the first connecting line 50 and the second connecting line 100 respectively, i.e. 100 property of can choose of the first connecting line 50 and the second connecting line is connect with feeding point 101.
First connecting line 50 therein includes: the first main line 51 connecting with radiating element 20 and multiple first branch lines 53 and the second branch line 52, and the second branch line 52 is connected to ground；Pass through 60 selective connection of first choice switch between first main line 51 and the first branch line 53, the first main line 51 and the second branch line 52；As shown in Figure 1, when first choice switch 60 is single pole multiple throw, one end of first main line 51 of the first connecting line 50 therein is connect with radiating element 20, the connection of the moved end of the other end and single pole multiple throw, multiple branch lines are arranged side by side in the non-moving end of first choice switch 60, which is respectively the first branch line 53 and the second branch line 52, wherein, first branch line 53 is connect with feeding point 101 by selective switch, and is used as the cable connecting with feeding point 101.The number of second branch line 52 is multiple, and multiple second branch lines 52 are grounded.
The second selective switch 90 connection that one end of second connecting line 100 is connect with feeding point 101, the other end are connect with radiating element 20.
Third connecting line 40 includes the second main line 41 and multiple third branch lines 42, and each third branch line 42 is connected to ground, and the adjustment component of the frequency for adjusting antenna is provided on each third branch line 42；Second main line 41 passes through the third branch line 42 of third selective switch 80 and third connecting line 40
Selective connection.Specifically, different adjustment components is provided with i.e. on each third branch line 42 of third connecting line 40, in specific setting, the adjustment component is the series components of the series connection of inductance or capacitor or multiple inductance, multiple capacitors, due to effect inductively or capacitively, so that the electrical length of every branch line is different, in specific setting, different branch lines can be selected by third selective switch 80, to realize the adjustment to antenna band.
When specifically used, feeding point 101 by the second selective switch 90 respectively with 100 selective connection of the first branch line 53 and the second connecting line；And when feeding point 101 is connect with the first connecting line 50, the second connecting line 100 is hanging, and third connecting line 40 is grounded；When feeding point 101 is connect with the second connecting line 100, the first connecting line 50 and third connecting line 40 are grounded.Specifically, first main line 51 of the first connecting line 50 is connect with the second branch line 52 when feeding point 101 is connect with the second connecting line 100, i.e. the first connecting line 50 ground connection；When feeding point 101 is connect with the first connecting line 50, at this time, first main line 51 of the first connecting line 50 is connect by first choice switch 60 with the first branch line 53, first branch line 53 is connect by the second selective switch 90 with feeding point 101, and the second connecting line 100 is hanging, certainly, it should be understood that, second connecting line 100 also can choose ground connection, but, since the ground line 30 of the present embodiment antenna is located near the second connecting line 100, the second connecting line 100 is grounded or will not vacantly impact to the performance of antenna.
In addition, as a preferred scheme, the adjustment component of the frequency for debugging antenna is also equipped on the second branch line 52 and the second connecting line 100 of the first connecting line 50 to improve the performance of antenna.The adjustment structure of component being arranged on the adjustment component and third branch line 42 is identical, and working principle is also identical, is no longer described in detail herein.
In a preferred scheme, the match circuit 70 for debugging the return loss of the antenna is respectively arranged on the first branch line 53 and second connecting line 100.The match circuit 70 is for also assisting in the electric current on the mainboard of mobile terminal on the radiation of antenna, so that the resonance for realizing antenna is adjustable.As shown in Fig. 2, in specific setting, which includes concatenated inductance 71 and tunable capacitor 72, and the fixed capacity 73 being arranged between tunable capacitor 72 and ground by taking the match circuit 70 on the first branch line 53 as an example.Specifically, one end of the inductance 71 is connect with first choice switch 60, the other end is connect with tunable capacitor 72, and the other end of tunable capacitor 72 is connect with the second selective switch 90, and can
Fixed capacity 73 is provided on the route for adjusting capacitor 72 to connect with the second selective switch 90, one end of the fixed capacity 73 is connect with the first branch line 53, other end ground connection.The radiation that the circuit can make the electric current on the mainboard of mobile terminal participate in antenna comes up, so that the resonance for realizing antenna is adjustable.
In the present embodiment, inductance is provided on ground line 30.In a specific embodiment, ground line 30 is connected to ground by 1nH inductance.In specific setting, it can also use and be provided with band lump or distributed inductance capacitor on the ground line 30.
Embodiment 2
The number of connecting line provided in this embodiment is two, for the first connecting line and the second connecting line, the same scheme of the present embodiment is compared with Example 1, third connecting line is lacked, but, the connection type of the first connecting line and the second connecting line that are provided in the present embodiment, and switching mode in embodiment 1 the first connecting line and the second connecting line it is identical, it is specific: when being switched using the first connecting line and the second connecting line, feeding point passes through the second selective switch and the first branch line and the second connecting line selective connection, and second connecting line feeding point and vacant state be optionally switched to by the second selective switch.
Embodiment 3
As shown in figure 3, the present embodiment is similar with technical solution disclosed in embodiment 1, the location swap by the first connecting line 50 and third connecting line 40 is only just corresponded to.Therefore it is not described in detail herein.
Embodiment 4
As shown in figure 4, the structure of scheme the first connecting line 50 provided in this embodiment and the second connecting line 100 is identical as the structure in embodiment 1, only difference is that, in the present embodiment, third connecting line 40 also uses the structure of the first connecting line 50.
I.e. third connecting line 40 is in addition to including the second main line 41 and multiple third branch lines 42, it further include the 4th branch line 44, each third branch line 42 with described is connect, and the adjustment component of the frequency for debugging antenna is provided on each third branch line 42 of the third connecting line 40；Second main line 41 passes through outside the structures such as 42 selective connection of third branch line of third selective switch 80 and the third connecting line 40, the third connecting line 40 further includes the 4th branch line 44, feeding point 101 by the second selective switch 90 respectively with the first branch line 53,100 selective connection of the 4th branch line 44 and the second connecting line, when feeding point 101 is connect with third connecting line 40, first connecting line 50 ground connection, the second connection
Line 100 is hanging.I.e. feeding point 101 can switch the switching between the first connecting line 50, the second connecting line 100 and third connecting line 40 respectively, change the feed placement and earthing position of feed line, and then change the performance of antenna.
And when third connecting line 40 includes four branch line 44, match circuit 70 is also equipped on the 4th branch line 44.So that the resonance of antenna is also adjustable when third connecting line 40 is connect with feeding point 101.The match circuit 70 is identical as the structure of match circuit 70 in above-described embodiment 1, and in this not go into detail.
When using this embodiment scheme, the second selective switch 90 that feeding point 101 connects is single-pole three-throw switch, i.e. feeding point 101 can choose the connection with the first connecting line 50, the second connecting line 100 and third connecting line 40.When feeding point 101 is connect with third signal, connection type and feeding point 101 are identical as the mode that the first connecting line 50 connects, and in this not go into detail.
It can be seen that by above-mentioned specific embodiment 1, embodiment 2 and embodiment 3, in the present embodiment, switch by using the mixing on feeding point 101 and ground, distribution situation of the electric field on radiating element 20 can effectively be improved, and then improve the radiation event of antenna, the performance of antenna is improved, the effective influence for improving " dead holds ".It should be understood, however, that above-mentioned specific embodiment 1, embodiment 2 and embodiment 3 are only the explanation carried out by taking three connecting lines as an example.But the connecting line in antenna provided in this embodiment is not limited only to above-mentioned three, can also be four, five etc..
The embodiment of the invention also provides a kind of application method of antenna, antenna include: radiating element, feeding point 101, and connection radiating element and ground ground line；It further include at least two connecting lines being connect with radiating element；Wherein, a connecting line at least two connecting lines is optionally switched to feeding point 101 or vacant state, at least one connecting line in remaining connecting line can between feeding point 101 and ground selective connection；And at least two connecting lines in selective connection, only a connecting line is connect with feeding point 101 at least two connecting lines；Method the following steps are included:
According to the signal strength at the radiating element both ends of antenna, the feeding point 101 and ground of the signal wire connection of radiating element connection are determined；
The feeding point 101 and ground of determining signal wire connection are switched to by selective switch.
In the above-described embodiments, it can be seen that by the description at structure through ground and feeding point 101
Switching, can effectively improve the performance of antenna.
In a specific embodiment, when such as the connecting line of antenna in embodiment 1 including the first connecting line and the second connecting line, the feed and ground of determining signal wire connection are switched to by selective switch specifically:
When feeding point 101 is connect with the first connecting line, the second connecting line is hanging；
When feeding point 101 is connect with the second connecting line, the first connecting line ground connection.
In another specific embodiment, when such as the connecting line of antenna in embodiment 1 including the first connecting line, the second connecting line and third connecting line, the feed and ground of determining signal wire connection are switched to by selective switch specifically:
When feeding point 101 is connect with the first connecting line, the second connecting line is hanging, third connecting line ground connection；
When feeding point 101 is connect with the second connecting line, the first connecting line and third connecting line ground connection；
When feeding point 101 is connect with third connecting line, the first connecting line is grounded, and the second connecting line is hanging.
In the above-described embodiments, the switching by ground and feeding point 101 can be seen that by the description at structure, can effectively improves the performance of antenna.
The embodiment of the invention also provides a kind of mobile terminals, the terminal includes the antenna of metal shell 10 and any of the above-described, it further include the mainboard being arranged in metal shell, and a part of metal shell 10 is radiating element, feeding point 101 is arranged on mainboard, and ground and connecting line are arranged in metal shell 10.
In the above-described embodiments, the switching with feeding point 101 is grounded by the connecting line of setting, to change the radiation effect of antenna, and then avoids people from being in one's hands and influence the radiation effect of antenna when stopping machine, improves the communication performance of antenna.
In a specific embodiment, it is arranged on metal shell 10 and has the gap, metal shell 10 is cut into two parts by gap, and gap is the U-shaped gap that 10 bottom of metal shell is arranged in；Or for the linear gap at 10 back of metal shell is arranged in；Or the gap to be arranged on 10 downside wall of metal shell.I.e. the metal shell 10 can select according to the actual situation different cutting modes to be formed.Specifically, metal shell 10 can be divided into two parts, radiating element 20 of a part therein as antenna in different ways as shown in Figure 20~Figure 23.Specifically, metal shell 10 is divided into two parts using the structure of bottom windowing as shown in Figure 5.As shown in fig. 6, by metal shell 10 by the way of U-shaped gap
It is divided into two parts.As shown in fig. 7, metal shell 10 is divided into two parts in such a way that bottom is cracked.Metal shell 10 is divided into two parts by the way of vertical masonry joint as shown in Figure 8.It can be seen that in the present embodiment by above-mentioned specific Fig. 5~structure shown in Fig. 8, metal shell 10 can be cut by two parts by different cutting modes.
Obviously, those skilled in the art various changes and modifications can be made to the invention without departing from the spirit and scope of the present invention.If then the present invention is also intended to include these modifications and variations in this way, these modifications and changes of the present invention is within the scope of the claims of the present invention and its equivalent technology.
Claims (15)
- A kind of antenna of mobile terminal characterized by comprising radiating element, feeding point, and the connection radiating element and ground ground line；It further include at least two connecting lines being connect with the radiating element；Wherein, a connecting line at least two connecting line is optionally switched to feeding point or vacant state, at least one connecting line in remaining connecting line can between feeding point and ground selective connection；Only have a connecting line and at least two connecting line in selective connection, at least two connecting line to connect with the feeding point.
- The antenna of mobile terminal as described in claim 1, which is characterized in that at least two connecting line includes the first connecting line and the second connecting line；First connecting line includes the first main line, the first branch line and the second branch line connecting with the radiating element, and second branch line with described is connect；Selective connection is switched by first choice between first main line and first branch line and the second branch line；The feeding point is by the second selective switch and first branch line and the second connecting line selective connection, and second connecting line is optionally switched to the feeding point and vacant state by second selective switch.
- The antenna of mobile terminal as described in claim 1, which is characterized in that at least two connecting line includes the first connecting line, the second connecting line and third connecting line, and first connecting line and the third connecting line are arranged on second signal line two sides；First connecting line includes the first main line, the first branch line and the second branch line connecting with the radiating element, and second branch line with described is connect；Selective connection is switched by first choice between first main line and first branch line and the second branch line；The feeding point is by the second selective switch and first branch line and the second connecting line selective connection, and second connecting line is optionally switched to the feeding point and vacant state by second selective switch；The third connecting line includes the second main line and multiple third branch lines, and each third branch line with described is connect, and is provided on each third branch line of the third connecting line for adjusting antenna frequency The adjustment component of rate；Second main line passes through third selective switch and the multiple third branch line selective connection.
- The antenna of mobile terminal as claimed in claim 3, which is characterized in that the third connecting line further includes the 4th branch line, and second main line and the third branch line and the 4th branch line pass through the third selective switch selective connection；The feeding point also passes through second selective switch and the 4th branch line selective connection.
- Such as the antenna of the described in any item mobile terminals of claim 2~4, which is characterized in that be also equipped with the adjustment component of the frequency for debugging antenna on second branch line and second connecting line.
- The antenna of mobile terminal as claimed in claim 5, which is characterized in that the adjustment component is inductively or capacitively.
- Such as the antenna of the described in any item mobile terminals of claim 2~6, which is characterized in that be respectively arranged with the match circuit for debugging the return loss of the antenna on first branch line and second connecting line.
- The antenna of mobile terminal as claimed in claim 7, which is characterized in that the match circuit includes concatenated inductance and tunable capacitor, and the fixed capacity being arranged between tunable capacitor and the ground.
- The antenna of mobile terminal as claimed in claim 7, which is characterized in that when the third connecting line includes four branch line, be also equipped with the match circuit on the 4th branch line.
- The antenna of mobile terminal as described in any one of claims 1 to 9, which is characterized in that be provided with inductance on the ground line.
- A kind of application method of antenna, which is characterized in that the antenna include: radiating element, feeding point, and the connection radiating element and ground ground line；It further include at least two connecting lines being connect with the radiating element；Wherein, a connecting line at least two connecting line is optionally switched to feeding point or vacant state, at least one connecting line in remaining connecting line can between feeding point and ground selective connection；And at least two connecting line in selective connection, only a connecting line is connect with the feeding point at least two connecting line；It the described method comprises the following steps:According to the signal strength at the radiating element both ends of antenna, the feeding point and ground of the signal wire connection of the radiating element connection are determined；The feeding point and ground of determining signal wire connection are switched to by selective switch.
- The application method of antenna as claimed in claim 11, which is characterized in that when at least two connecting line includes the first connecting line and the second connecting line, the feed and ground that determining signal wire connection is switched to by selective switch specifically:When the feeding point is connect with first connecting line, second connecting line is hanging；When the feeding point is connect with second connecting line, the first connecting line ground connection.
- The application method of antenna as claimed in claim 12, it is characterized in that, when at least two connecting line includes the first connecting line, the second connecting line and third connecting line, the feed and ground that determining signal wire connection is switched to by selective switch specifically:When the feeding point is connect with first connecting line, second connecting line is hanging, third connecting line ground connection；When the feeding point is connect with second connecting line, first connecting line and third connecting line ground connection；When the feeding point is connect with the third connecting line, first connecting line is grounded, and the second connecting line is hanging.
- A kind of mobile terminal, it is characterized in that, including metal shell and such as the described in any item antennas of claim 1~10, it further include the mainboard being arranged in the metal shell, wherein, the metal shell is the radiating element, and on the main board, the ground and the connecting line are arranged in the metal shell for the feeding point setting.
- Mobile terminal as claimed in claim 14, it is characterized in that, setting has the gap on the metal shell, the metal shell is cut into two parts by the gap, and a part of the metal shell is the radiating element, and the gap is the U-shaped gap that the metal shell bottom is arranged in；Or it isThe linear gap at the metal shell back is set；Or it isGap on the metal shell downside wall is set.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/106419 WO2018090328A1 (en) | 2016-11-18 | 2016-11-18 | Mobile terminal antenna and method of using same, and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN201680084203.0A Active CN109075425B (en) | 2016-11-18 | 2016-11-18 | Antenna of mobile terminal, use method of antenna and mobile terminal |
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| CN (1) | CN109075425B (en) |
| WO (1) | WO2018090328A1 (en) |
Cited By (1)
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| CN114069228A (en) * | 2020-08-07 | 2022-02-18 | 华为技术有限公司 | Power supply system of antenna and electronic equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787078B (en) * | 2019-11-05 | 2022-12-02 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN113054433A (en) * | 2021-03-24 | 2021-06-29 | 昆山睿翔讯通通信技术有限公司 | Double ground feed coupling antenna and mobile phone |
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Also Published As
| Publication number | Publication date |
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| CN109075425B (en) | 2020-12-08 |
| WO2018090328A1 (en) | 2018-05-24 |
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