CN105098325A - Antenna structure and communication terminal - Google Patents
Antenna structure and communication terminal Download PDFInfo
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- CN105098325A CN105098325A CN201510493415.1A CN201510493415A CN105098325A CN 105098325 A CN105098325 A CN 105098325A CN 201510493415 A CN201510493415 A CN 201510493415A CN 105098325 A CN105098325 A CN 105098325A
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Abstract
The embodiment of the invention discloses an antenna structure and a communication terminal. The communication terminal comprises a metal back shell and a motherboard, wherein the metal back shell comprises a first back shell and a second back shell. The antenna structure comprises an excitation source, a first metal wiring, a second metal wiring and a control switch, wherein the excitation source is arranged on the motherboard; the first metal wiring receives antenna signals outputted by the excitation source and transmits the signals to the first back shell; the second metal wiring receives the antenna signals outputted by the first back shell; the control switch is arranged on the motherboard; the control switch is used for controlling transmission of antenna signals between the second metal wiring and the motherboard; and in a plane parallel with the first back shell, a gap exists between the second metal wiring and the motherboard. According to the antenna structure provided by the embodiment of the invention, the structure is simple, resonance frequency is convenient to adjust, the overall length and the width of the communication terminal to which the antenna structure is applied are lowly required, the problem that the antenna resonance frequency is over long or over short can be avoided, and influences from the head and the hand of the user during the communication terminal use process can be reduced.
Description
Technical field
The present invention relates to antenna technical field, particularly relate to a kind of antenna structure and comprise the communication terminal of this antenna structure.
Background technology
Along with user's improving constantly mobile communication terminal appearance requirement, the mobile communication terminal of more and more metal appearance occurs commercially, but the all-metal bonnet of large absolutely number mobile communication terminal has more gap or plastic cement region, meets its antenna performance requirement.Only have in the metal back cover of only a few mobile communication terminal and only have two gaps.But, described in this patent application, antenna device for full metal shell uses PIFA antenna, because PIFA antenna is very responsive with the cohesive position on ground to feed, the mobile communication terminal applying this antenna structure is caused all to require higher to the length of entirety and width, otherwise, easily cause antenna resonant frequency partially long or partially short.And the mobile communication terminal applying this antenna structure benefits from the impact of account hand comparatively greatly, is difficult to the index in the test of head hand meeting mobile communication terminal antenna performance.
Summary of the invention
For solving the problems of the technologies described above, embodiments provide a kind of antenna structure and comprise the communication terminal of this antenna structure, not only can reduce in existing metal shell on the back communication terminal, antenna structure to communication terminal entire length and width requirement higher, easily cause the problem that antenna resonant frequency is partially long or partially short, can also reduce in this communication terminal use procedure and use account hand on its impact.
For solving the problem, embodiments provide following technical scheme:
A kind of antenna structure, be applied to a communication terminal, this communication terminal comprises: the metal shell on the back being arranged at this communication terminal back side and the mainboard be arranged in described communication terminal, wherein, described metal shell on the back comprises: the first shell on the back and the second shell on the back, and described antenna structure comprises:
Be arranged at the driving source on described mainboard, described driving source is for generation of aerial signal;
The first metal routing be oppositely arranged and the second metal routing, described first metal routing is positioned at described first shell on the back near described driving source side, receive the aerial signal that described driving source exports, be transferred to described first shell on the back, described second metal routing is positioned at the side of described first shell on the back away from described driving source, receives the aerial signal that described first shell on the back exports;
Be arranged at the control switch on described mainboard, for controlling the transmission of aerial signal between described second metal routing and described mainboard;
Wherein, in the plane being parallel to described first shell on the back, between described second metal routing and described first shell on the back, there is gap.
Preferably, described control switch is radio-frequency (RF) switch.
Preferably, described control switch is single pole multiple throw, described second metal routing comprises multiple backflow branch road, and described single pole multiple throw, for controlling the electrical connection between each backflow branch road and described mainboard, regulates the return flow path between described first shell on the back and described mainboard.
Preferably, described second metal routing comprises the first backflow branch road in parallel and the second backflow branch road, and described first backflow branch road and described second backflow branch road are electrically connected with described mainboard by the adjustable device between described single pole multiple throw with described mainboard.
Preferably, described first shell on the back is electrically connected with described mainboard by shell fragment.
A kind of communication terminal, comprising: metal shell on the back, mainboard and the antenna structure described in above-mentioned any one, wherein, described metal shell on the back is arranged at the back side of described communication terminal, comprises the first shell on the back and the second shell on the back; It is inner that described mainboard and described antenna structure are arranged at described communication terminal.
Preferably, between described first shell on the back and described second shell on the back, there is the first gap, in described first gap, be filled with insulating material, or described first territory, internal zone dividing, gap is filled with insulating material, and subregion is filled with electric conducting material.
Preferably, described first shell on the back is arranged in region corresponding to described communication terminal Bottom Border.
Preferably, the electric connection mode between described first metal routing and described driving source is direct feed-in, is that structural member is connected with the electric connection mode between described first shell on the back.
Preferably, in the plane being parallel to described first shell on the back, described second metal routing deviates from described second shell on the back one end apart from described first shell on the back and has the second gap, has the 3rd gap apart from the side of described first shell on the back; Described second gap is different with the width in the 3rd gap.
Compared with prior art, technique scheme has the following advantages:
The antenna structure that the embodiment of the present invention provides is applied to a communication terminal, this communication terminal comprises: the metal shell on the back being arranged at this communication terminal back side and the mainboard be arranged in described communication terminal, wherein, described metal shell on the back comprises the first shell on the back and the second shell on the back, described antenna structure comprises: be arranged at the driving source on described mainboard, and described driving source is for generation of aerial signal; The first metal routing be oppositely arranged and the second metal routing, described first metal routing is positioned at described first shell on the back near described driving source side, receive the aerial signal that described driving source exports, be transferred to described first shell on the back, described second metal routing is positioned at the side of described first shell on the back away from described driving source, receives the aerial signal that described first shell on the back exports; Be arranged at the control switch on described mainboard, described control switch is for controlling the transmission of aerial signal between described second metal routing and described mainboard, and in the plane being parallel to described first shell on the back, between described second metal routing and described first shell on the back, there is gap.
As from the foregoing, the antenna structure that the embodiment of the present invention provides, structure is simple, shape, the size of described first metal routing and described second metal routing only need be rationally set, and the gap width between described second metal routing and the first shell on the back, can obtain desired resonant frequency, resonance frequency is easy to adjust, to the entire length of communication terminal of its application and width requirement lower, avoid the problem occurring that antenna resonant frequency is partially long or partially short.And, after described communication terminal is made, can also described control switch be passed through, the resonance frequency of described communication terminal be regulated, obtains multiple resonance band.In addition, the antenna structure that the embodiment of the present invention provides can also to reduce in this communication terminal use procedure with account hand on its impact, to meet the index in the test of head hand of communication terminal antenna performance.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The antenna structure that Fig. 1 one embodiment of the invention provides is applied to the partial structurtes schematic diagram of communication terminal;
The antenna structure that Fig. 2 one embodiment of the invention provides is applied to the partial structurtes cutaway view of communication terminal;
The antenna structure that Fig. 3 another embodiment of the present invention provides is applied to the partial structurtes cutaway view of communication terminal;
Fig. 4 for after antenna structure that this one embodiment of the invention provides is applied to communication terminal, this communication terminal overlayable antenna frequencies scope curve chart;
The communication terminal return loss schematic diagram under high band, low-frequency range and Mid Frequency three kind mode of operations of antenna structure of Fig. 5 for comprising the embodiment of the present invention and providing;
When the communication terminal that Fig. 6 is the antenna structure comprising the embodiment of the present invention and provide is operated in low-frequency range, the CURRENT DISTRIBUTION schematic diagram on its surface;
When the communication terminal that Fig. 7 is the antenna structure comprising the embodiment of the present invention and provide is operated in Mid Frequency, the CURRENT DISTRIBUTION schematic diagram on its surface;
When the communication terminal that Fig. 8 is the antenna structure comprising the embodiment of the present invention and provide is operated in high band, the CURRENT DISTRIBUTION schematic diagram on its surface.
Embodiment
Just as described in the background section, in prior art, antenna device for full metal shell uses PIFA antenna, because PIFA antenna is very responsive with the cohesive position on ground to feed, the mobile communication terminal applying this antenna structure is caused all to require higher to the length of entirety and width, otherwise, easily cause antenna resonant frequency partially long or partially short.And the mobile communication terminal applying this antenna structure benefits from the impact of account hand comparatively greatly, is difficult to the index in the test of head hand meeting mobile communication terminal antenna performance.
In view of this, embodiments provide a kind of antenna structure, be applied to a communication terminal, this communication terminal comprises: the metal shell on the back being arranged at this communication terminal back side and the mainboard be arranged in described communication terminal, wherein, described metal shell on the back comprises: the first shell on the back and the second shell on the back, and described antenna structure comprises:
Be arranged at the driving source on described mainboard, described driving source is for generation of aerial signal;
The first metal routing be oppositely arranged and the second metal routing, described first metal routing is positioned at described first shell on the back near described driving source side, receive the aerial signal that described driving source exports, be transferred to described first shell on the back, described second metal routing is positioned at the side of described first shell on the back away from described driving source, receives the aerial signal that described first shell on the back exports;
Be arranged at the control switch on described mainboard, described control switch is for controlling the transmission of the aerial signal between described second metal routing and described mainboard, and in the plane being parallel to described first shell on the back, between described second metal routing and described first shell on the back, there is gap.
Accordingly, the embodiment of the present invention additionally provides a kind of communication terminal, comprising: metal shell on the back, mainboard and above-mentioned antenna structure, and wherein, described metal shell on the back is arranged at the back side of described communication terminal, comprises the first shell on the back and the second shell on the back; It is inner that described mainboard and described antenna structure are arranged at described communication terminal.
The antenna structure that the embodiment of the present invention provides, structure is simple, size, the shape of described first metal routing and described second metal routing only need be rationally set, and the gap width between described second metal routing and the first shell on the back, desired resonant frequency can be obtained, resonance frequency is easy to adjust, to the entire length of communication terminal of its application and width requirement lower, avoid the problem occurring that antenna resonant frequency is partially long or partially short.And, after described communication terminal is made, can also described control switch be passed through, the resonance frequency of described communication terminal is regulated, obtain multiple required resonance band.In addition, the antenna structure that the embodiment of the present invention provides can also to reduce in this communication terminal use procedure with account hand on its impact, to meet the index in the test of head hand of communication terminal antenna performance.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
As depicted in figs. 1 and 2, embodiments provide a kind of antenna structure, be applied to a communication terminal, this communication terminal, comprise: the metal shell on the back being arranged at the described communication terminal back side and the mainboard 70 be arranged in described communication terminal, wherein, described metal shell on the back comprises: the first shell on the back 10 and the second shell on the back 20.Described antenna structure comprises: be arranged at the driving source 30 on described mainboard 70, and described driving source 30 is for generation of aerial signal; The first metal routing 40 and the second metal routing 50 be oppositely arranged, described first metal routing 40 is positioned at described first shell on the back 10 near described driving source 30 side, receive the aerial signal that described driving source 30 exports, be transferred to described first shell on the back 10, described second metal routing 50 is positioned at the side of described first shell on the back 10 away from described driving source 30, receives the aerial signal that described first shell on the back 10 exports; Be arranged at the control switch 60 on described mainboard 70, described control switch 60 is for controlling the transmission of the aerial signal between described second metal routing 50 and described mainboard 70, and in the plane being parallel to described first shell on the back 10, between described second metal routing 50 and described first shell on the back 10, there is gap.
It should be noted that, in embodiments of the present invention, described first metal routing 40, second metal routing 50 and the first shell on the back 10 are antenna radiator, described mainboard 70, second shell on the back 20 is ground, in specific works, described driving source 30 produces aerial signal, by the mode of direct feed-in, this aerial signal is transferred to described first metal routing 40, described aerial signal by electrical structure part, is transferred to described first shell on the back 10, described second metal routing 50, described mainboard 70 and described second shell on the back 20 by described first metal routing 40 again.
Also it should be noted that, the antenna structure that the embodiment of the present invention provides is when being applied to communication terminal, in test process, not only can also, by the resonance frequency regulating the shape and size of described first metal routing 40 and the second metal routing 50 to regulate described antenna structure, the resonance of described antenna structure can also be regulated to depart from by regulating the gap width between described second metal routing 50 and described second shell on the back 20.And, after the communication terminal of described antenna structure application is made, can also by the opening and closing of described control switch 60, change the length of current path in the return flow path of described antenna structure, thus change the resonance frequency of described antenna structure, make described antenna structure can meet the demand of multiple different frequency range, improve the compatibility of ID.
On the basis of an above-mentioned embodiment, in one embodiment of the invention, described control switch 60 is radio-frequency (RF) switch, for controlling the electrical connection between described second metal routing 50 and described mainboard 70, thus control the first shell on the back 10, Signal transmissions between described second metal routing 50 and described mainboard 70.But the present invention does not limit this, in other embodiments of the invention, described control switch 60 can also be other structures, as long as the electrical connection between described second metal routing 50 and described mainboard 70 can be controlled, thus control described first shell on the back 10, the transmission of aerial signal between described second metal routing 50 and described mainboard 70.
It should be noted that, in one embodiment of the invention, described second metal routing 50 can comprise a backflow branch road, also can comprise multiple backflow branch road.The present invention does not limit this, specifically depends on the circumstances.When described second metal routing 50 only includes a backflow branch road, described second metal routing 50 directly can be electrically connected with described mainboard 70 by single-pole single-throw switch (SPST), also can be electrically connected with described mainboard 70 by adjustable device, can also be electrically connected with described mainboard 70 by the single-pole single-throw switch (SPST) of series connection and adjustable device, the present invention does not limit this, specifically depends on the circumstances.
When described second metal routing 50 comprises multiple backflow branch road, preferably, described control switch 60 is single pole multiple throw, for controlling the electrical connection between each backflow branch road and described mainboard 70, thus regulates the return flow path between described first shell on the back 10 and described mainboard 70.
On the basis of above-described embodiment, in an embodiment of invention, as shown in Figure 3, described second metal routing 50 comprises the first backflow branch road in parallel and the second backflow branch road, wherein, described first backflow branch road is directly electrically connected with described mainboard 70 by described single pole multiple throw, and described second backflow branch road is electrically connected with described mainboard 70 with adjustable device 80 by the single pole multiple throw of series connection.In one embodiment of the invention, described adjustable device 80 is electric capacity, in another embodiment of the present invention, described adjustable device 80 is inductance, and in yet another embodiment of the present invention, described adjustable device 80 is resistance, in other embodiments of the invention, described adjustable device 80 can also be the match circuit of any number of formations in electric capacity, inductance and resistance, and the present invention does not limit this, specifically depends on the circumstances.
It should be noted that, on the basis of above-mentioned any embodiment, in one embodiment of the invention, when the backflow branch road of described second metal routing 50 is electrically connected with described mainboard 70 by electric capacity and/or inductance, described electric capacity is preferably tunable capacitor, described inductance is preferably controllable impedance, after the communication terminal that described antenna structure is applied is made, user can according to the concrete environment for use of oneself, the logical value of described adjustable device 80 is regulated, thus realize the adjustment of resonance frequency, to strengthen the intensity of aerial signal.
On the basis of above-mentioned any embodiment, in one embodiment of the invention, described first shell on the back 10 is electrically connected with described mainboard 70 by shell fragment.In other embodiments of the invention, described first shell on the back 10 can also adopt other modes to be electrically connected with described mainboard 70, and the present invention does not limit this, specifically depends on the circumstances.It should be noted that, in embodiments of the present invention, preferably, described first shell on the back 10 is arranged in region corresponding to described communication terminal Bottom Border.But the present invention does not limit this, specifically depend on the circumstances.
Accordingly, the embodiment of the present invention additionally provides a kind of communication terminal, comprising: the antenna structure that metal shell on the back, mainboard 70 and above-mentioned any embodiment provide, wherein, described metal shell on the back is arranged at this communication terminal back side, comprising: the first shell on the back 10 and the second shell on the back 20; It is inner that described mainboard 70 and described antenna structure are arranged at described communication terminal.
On the basis of above-described embodiment, in one embodiment of the invention, between described first shell on the back 10 and described second shell on the back 20, there is the first gap c.In an embodiment of the present embodiment, complete fill insulant in the region of described first gap c, in another embodiment of the present invention, insulating material is filled with in the subregion of described first gap c, electric conducting material is filled with in subregion, the present invention does not limit this, as long as ensure incomplete filled conductive material in the region that described first gap c is corresponding.
It should be noted that, in embodiments of the present invention, described insulating material is preferably plastics, and described electric conducting material is preferably metal, but the present invention does not limit this, specifically depends on the circumstances.
On the basis of above-mentioned any embodiment, in one embodiment of the invention, the electric connection mode between described first metal routing 40 and described driving source 30 is direct feed-in, is that electrical structure part is connected with the electric connection mode between described first shell on the back 10.Wherein, described electrical structure part can be thimble, also can be shell fragment.The present invention does not limit this, and in other embodiments of the invention, described first metal routing 40 can also adopt other modes to be electrically connected with described mainboard 70.
On the basis of above-mentioned any embodiment, in one embodiment of the invention, in the plane being parallel to described first shell on the back 10, described second metal routing 50 deviates from described second shell on the back 20 one end apart from described first shell on the back 10 and has the second gap a, apart from the side of described first shell on the back 10, there is the 3rd gap b, thus can by regulating the width of described second gap a and/or the width of the 3rd gap b, regulate the position of described second metal routing 50, and then regulate the resonance frequency of described antenna structure.In an embodiment of the present embodiment, the width of described second gap a is identical with the width of the 3rd gap b, in another embodiment of the present embodiment, the width a in described second gap is different with the width b in the 3rd gap, the present invention does not limit this, specifically determines according to the desired resonant frequency of described antenna structure.
On the basis of above-described embodiment, in an embodiment of the invention, the preferable range of described second gap width a is 0.4 ㎜-2 ㎜; The preferable range of described 3rd gap width b is 0.4 ㎜-2 ㎜, and the present invention does not limit this, specifically depends on the circumstances.
It should be noted that in the above-described embodiments, can not have filler in described second gap a and described 3rd gap b, is namely air in described second metal routing 50 and the gap of described first shell on the back 10; Also can fill megohmite insulant, the present invention does not limit this, as long as ensure to insulate in described second gap a and described 3rd b place, gap.
As shown in 4 figure, after having illustrated in Fig. 4 that antenna structure that this embodiment of the present invention provides is applied to communication terminal, this communication terminal overlayable antenna frequencies scope curve chart.As seen from Figure 4, after the antenna structure that the embodiment of the present invention provides is applied to communication terminal, this communication terminal perfectly can cover 0.7G-2.8GHz, make the communication terminal comprising the antenna structure that the embodiment of the present invention provides may be simultaneously operated in low-frequency range, Mid Frequency and high band, the performance requirement of all frequency ranges of communication at present can be met.
As described in Figure 5, the return loss schematic diagram of communication terminal under high band, low-frequency range and Mid Frequency three kinds of mode of operations comprising the antenna structure that the embodiment of the present invention provides has been shown in Fig. 5.As can be seen from Figure 5, comprise the communication terminal of the antenna structure that the embodiment of the present invention provides in use, under no matter it is operated in which kind of mode of operation of high band, low-frequency range or Mid Frequency, its return loss value all can will be reduced to below-10dB, even be reduced to below below-15dB or-20dB, and its return loss of antenna assembly of the prior art is generally about-5dB.As can be seen here, the antenna performance of antenna structure provided by the present invention is far above the antenna performance of antenna assembly in prior art.
As shown in Figure 6, Fig. 6 shows the communication terminal comprising the antenna structure that the embodiment of the present invention provides when being operated in low-frequency range, the CURRENT DISTRIBUTION schematic diagram on its surface.As can be seen from Figure 6, when the communication terminal comprising the antenna structure that the embodiment of the present invention provides is operated in low-frequency range, its electric current is mainly distributed in the first metal routing 40, second metal routing 50 and the first gap near the position of the first metal routing 40, overall sensitizing range is positioned at described first basic middle position, gap, thus can balancing user right-hand man and head on the impact of antenna performance, thus to reduce in this communication terminal use procedure with account hand on its impact, to meet the index in the test of head hand of communication terminal antenna performance.。
As shown in Figure 7, Fig. 7 shows the communication terminal comprising the antenna structure that the embodiment of the present invention provides when being operated in Mid Frequency, the CURRENT DISTRIBUTION schematic diagram on its surface.As can be seen from Figure 7, when the communication terminal comprising the antenna structure that the embodiment of the present invention provides is operated in Mid Frequency, its electric current is mainly distributed in the first metal routing 40, second metal routing 50 and the first gap near the position of the second metal routing 50.
As shown in Figure 8, Fig. 8 shows the communication terminal comprising the antenna structure that the embodiment of the present invention provides when being operated in high band, the CURRENT DISTRIBUTION schematic diagram on its surface.As can be seen from Figure 8, when the communication terminal comprising the antenna structure that the embodiment of the present invention provides is operated in high band, its electric current is mainly distributed in the first metal routing 40 position, and this band segment is mainly LTE frequency range.
As from the foregoing, when the communication terminal comprising the antenna structure that the embodiment of the present invention provides is operated in low-frequency range, its electric current is mainly distributed in the first metal routing 40, second metal routing 50 and the first gap are near the position of the first metal routing 40, when it is operated in Mid Frequency, its electric current is mainly distributed in the first metal routing 40, second metal routing 50 and the first gap are near the position of the second metal routing 50, when it is operated in high band, its electric current is mainly distributed in the first metal routing 40 position, therefore, when regulating the resonance frequency of described antenna structure, can by the main shape regulating the first metal routing 40, size and the gap between itself and the first shell on the back 10 regulate low frequency and the high frequency of described antenna structure, by mainly regulating the shape of described second metal routing 50, size and the gap between itself and the first shell on the back 10 regulate low frequency and the intermediate frequency of described antenna structure.
And, in the communication terminal comprising the antenna structure that the embodiment of the present invention provides, no matter it is that under horizontal screen or perpendicular screen state, user's hand is all not easy the sensitizing range of holding the first metal routing 40 position, less on the impact of its antenna performance.And, in the communication terminal comprising the antenna structure that the embodiment of the present invention provides, the sensitizing range of its high band, Mid Frequency, low-frequency range is all more placed in the middle, therefore, can the impact of head hand about balancing user preferably, namely user holds when making a phone call relatively little to the loss of signal, and the call improving user is experienced, and can be good at meeting the demand of future communications equipment to antenna performance.
In sum, the antenna structure that the embodiment of the present invention provides and communication terminal, structure is simple, only the gap width between described first metal routing 40 and described first shell on the back 10 and the gap width between described second metal routing 50 and the first shell on the back 10 need be rationally set, desired resonant frequency can be obtained, resonance frequency is easy to adjust, to the entire length of communication terminal of its application and width requirement lower, avoid the problem occurring that antenna resonant frequency is partially long or partially short.And after described communication terminal is made, can also pass through described control switch 60, regulate the resonance frequency of described communication terminal, obtain multiple resonance band, volume production maintainability is high.
In addition, the antenna structure that the embodiment of the present invention provides can also to reduce in this communication terminal use procedure with account hand on its impact, to meet the index in the test of head hand of communication terminal antenna performance.
In this specification, various piece adopts the mode of going forward one by one to describe, and what each some importance illustrated is the difference with other parts, between various piece identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an antenna structure, be applied to a communication terminal, this communication terminal comprises: the metal shell on the back being arranged at this communication terminal back side and the mainboard be arranged in described communication terminal, wherein, described metal shell on the back comprises: the first shell on the back and the second shell on the back, it is characterized in that, described antenna structure comprises:
Be arranged at the driving source on described mainboard, described driving source is for generation of aerial signal;
The first metal routing be oppositely arranged and the second metal routing, described first metal routing is positioned at described first shell on the back near described driving source side, receive the aerial signal that described driving source exports, be transferred to described first shell on the back, described second metal routing is positioned at the side of described first shell on the back away from described driving source, receives the aerial signal that described first shell on the back exports;
Be arranged at the control switch on described mainboard, for controlling the transmission of aerial signal between described second metal routing and described mainboard;
Wherein, in the plane being parallel to described first shell on the back, between described second metal routing and described first shell on the back, there is gap.
2. antenna structure according to claim 1, is characterized in that, described control switch is radio-frequency (RF) switch.
3. antenna structure according to claim 1, it is characterized in that, described control switch is single pole multiple throw, described second metal routing comprises multiple backflow branch road, described single pole multiple throw, for controlling the electrical connection between each backflow branch road and described mainboard, regulates the return flow path between described first shell on the back and described mainboard.
4. antenna structure according to claim 3, it is characterized in that, described second metal routing comprises the first backflow branch road in parallel and the second backflow branch road, and described first backflow branch road and described second backflow branch road are electrically connected with described mainboard by the adjustable device between described single pole multiple throw with described mainboard.
5. antenna structure according to claim 1, is characterized in that, described first shell on the back is electrically connected with described mainboard by shell fragment.
6. a communication terminal, it is characterized in that, comprising: metal shell on the back, mainboard and the antenna structure as described in any one of claim 1-5, wherein, described metal shell on the back is arranged at the back side of described communication terminal, and described metal shell on the back comprises: the first shell on the back and the second shell on the back;
It is inner that described mainboard and described antenna structure are arranged at described communication terminal.
7. communication terminal according to claim 6, is characterized in that, has the first gap between described first shell on the back and described second shell on the back, insulating material is filled with in described first gap, or described first territory, internal zone dividing, gap is filled with insulating material, and subregion is filled with electric conducting material.
8. communication terminal according to claim 6, is characterized in that, described first shell on the back is arranged in region corresponding to described communication terminal Bottom Border.
9. communication terminal according to claim 6, is characterized in that, the electric connection mode between described first metal routing and described driving source is direct feed-in, is that structural member is connected with the electric connection mode between described first shell on the back.
10. communication terminal according to claim 6, it is characterized in that, in the plane being parallel to described first shell on the back, described second metal routing deviates from described second shell on the back one end apart from described first shell on the back and has the second gap, has the 3rd gap apart from the side of described first shell on the back; Described second gap is different with the width in the 3rd gap.
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| CN201510493415.1A CN105098325B (en) | 2015-08-12 | 2015-08-12 | A kind of antenna structure and communication terminal |
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| CN201510493415.1A CN105098325B (en) | 2015-08-12 | 2015-08-12 | A kind of antenna structure and communication terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762512A (en) * | 2016-03-25 | 2016-07-13 | 联想(北京)有限公司 | Antenna |
| CN106602222A (en) * | 2016-12-15 | 2017-04-26 | 奇酷互联网络科技（深圳）有限公司 | Mobile terminal and antenna device thereof |
| WO2018058300A1 (en) * | 2016-09-27 | 2018-04-05 | 北京小米移动软件有限公司 | Terminal housing and terminal |
| CN108493577A (en) * | 2018-03-13 | 2018-09-04 | 广东欧珀移动通信有限公司 | Antenna module and electronic equipment |
| CN109119752A (en) * | 2018-08-13 | 2019-01-01 | 瑞声科技(新加坡)有限公司 | antenna system and mobile terminal |
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| CN105762512A (en) * | 2016-03-25 | 2016-07-13 | 联想(北京)有限公司 | Antenna |
| CN105762512B (en) * | 2016-03-25 | 2019-03-08 | 联想(北京)有限公司 | A kind of antenna |
| WO2018058300A1 (en) * | 2016-09-27 | 2018-04-05 | 北京小米移动软件有限公司 | Terminal housing and terminal |
| CN106602222A (en) * | 2016-12-15 | 2017-04-26 | 奇酷互联网络科技（深圳）有限公司 | Mobile terminal and antenna device thereof |
| CN106602222B (en) * | 2016-12-15 | 2019-09-17 | 奇酷互联网络科技（深圳）有限公司 | Mobile terminal and its antenna assembly |
| CN108493577A (en) * | 2018-03-13 | 2018-09-04 | 广东欧珀移动通信有限公司 | Antenna module and electronic equipment |
| CN109119752A (en) * | 2018-08-13 | 2019-01-01 | 瑞声科技(新加坡)有限公司 | antenna system and mobile terminal |
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| CN105098325B (en) | 2019-02-01 |
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