CN107645059A

CN107645059A - Antenna structure and the radio communication device with the antenna structure

Info

Publication number: CN107645059A
Application number: CN201710553028.1A
Authority: CN
Inventors: 林彦辉; 张云监; 林荣勤
Original assignee: Shenzhen Futaihong Precision Industry Co Ltd; Chiun Mai Communication Systems Inc
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd; Chiun Mai Communication Systems Inc
Priority date: 2016-07-21
Filing date: 2017-07-07
Publication date: 2018-01-30
Anticipated expiration: 2037-07-07
Also published as: CN107645034B; CN107645041A; TW201806245A; TWI658643B; TW201804664A; CN107645041B; TW201804662A; TWI650904B; TWI656685B; CN107645034A; CN107645059B

Abstract

The present invention provides a kind of antenna structure, including housing, first resonance part, second resonance part, extension and signal feed-in source, the housing includes front frame, backboard and frame, fluting is offered on the frame, gap and breakpoint are offered in the front frame, the fluting, the gap and the breakpoint mark off antenna segment from the housing jointly, the antenna segment includes orthogonal first paragraph and second segment, first resonance part is directly electrically coupled to the antenna segment or couples setting with the antenna segment interval, second resonance part electrically connects with the antenna segment, the extension is directly electrically coupled to the antenna segment or couples setting with the antenna segment interval, one of described first resonance part and the second resonance part are electrically connected to the signal feed-in source, one of other ground connection.Backboard in the antenna structure forms all-metal construction, can effectively avoid due to slot, break or the setting of breakpoint and influence the integrality and aesthetic property of backboard.The present invention also provides a kind of radio communication device with the antenna structure.

Description

Antenna structure and the radio communication device with the antenna structure

Technical field

The present invention relates to a kind of antenna structure and with the antenna structure radio communication device.

Background technology

With the progress of wireless communication technology, radio communication device is constantly towards frivolous trend development, and consumer is for production The requirement of product outward appearance also more and more higher.Because metal shell in outward appearance, laser intensity, radiating effect etc. has advantage, because This increasing manufacturer designs the radio communication device with metal shell, such as metal backing to meet the need of consumer Ask.But the signal that the antenna that sets within it of the easy interference shielding of metal shell is radiated, it is not easy to reach wideband design, Cause the radiance of built-in aerial bad.Furthermore fluting and breakpoint are further typically provided with the backboard, will so influence to carry on the back The integrality and aesthetic property of plate.

The content of the invention

In view of this, it is necessary to which a kind of antenna structure and the radio communication device with the antenna structure are provided.

A kind of antenna structure, including housing, the first resonance part, the second resonance part, extension and signal feed-in source, the shell Body includes front frame, backboard and frame, and the frame is located between the front frame and the backboard, offered on the frame Slot, gap and breakpoint are offered in the front frame, the gap and breakpoint connect with the fluting and extend to cut-off institute Front frame is stated, fluting, the gap and the breakpoint mark off antenna segment from the housing jointly, and the antenna segment includes phase Mutually vertical first paragraph and second segment, first resonance part, the second resonance part and extension are intervally installed, and all Positioned at starting from the first paragraph and second segment and end in the receiving space of the gap and the breakpoint, described first is common The portion of shaking is directly electrically coupled to the antenna segment or setting is coupled with the antenna segment interval, second resonance part and the antenna Section electrical connection, the extension are directly electrically coupled to the antenna segment or setting are coupled with the antenna segment interval, and described first One of resonance part and the second resonance part are electrically connected to the signal feed-in source, first resonance part and the second resonance Portion in addition one of ground connection.

A kind of radio communication device, including antenna structure described above.

Above-mentioned antenna structure and the radio communication device with the antenna structure can be covered to GPS frequency ranges, WIFI 2.4G/ 5G frequency ranges, frequency range are wider.In addition, the fluting, gap and breakpoint on the housing of the antenna structure may be contained within the front frame And on frame, it is not arranged on the backboard so that the backboard forms all-metal construction, i.e., does not have on described backboard exhausted Fluting, broken string or the breakpoint of edge so that the backboard can avoid due to slot, break or the setting of breakpoint and influence the complete of backboard Whole property and aesthetic property.

Brief description of the drawings

Fig. 1 is that the antenna structure of the first preferred embodiment of the invention is applied to the schematic diagram of radio communication device.

Fig. 2 is the schematic diagram under another angle of radio communication device shown in Fig. 1.

Fig. 3 is the assembling schematic diagram of radio communication device shown in Fig. 1.

Fig. 4 is the current trend schematic diagram of antenna structure shown in Fig. 1.

Fig. 5 is the circuit diagram that antenna structure shown in Fig. 1 is provided with match circuit.

Fig. 6 is the circuit diagram that antenna structure shown in Fig. 1 is provided with switching circuit and filter circuit.

Fig. 7 is the antenna structure when the first matching element is arranged to different inductance values in antenna structure shown in Fig. 5 S parameter (scattering parameter) curve map.

Fig. 8 is the antenna structure when the second matching element is arranged to different capacitances in antenna structure shown in Fig. 5 S parameter (scattering parameter) curve map.

Fig. 9 is the antenna structure when the 3rd matching element is arranged to different inductance values in antenna structure shown in Fig. 5 S parameter (scattering parameter) curve map.

Figure 10 is the day knot when the 4th matching element is arranged to different inductance values in antenna structure shown in Fig. 5 S parameter (scattering parameter) curve map of structure.

Figure 11 is the antenna structure when match circuit sets specific inductance and electric capacity in antenna structure shown in Fig. 5 S parameter (scattering parameter) curve map.

Figure 12 is the antenna structure when match circuit sets specific inductance and electric capacity in antenna structure shown in Fig. 5 Radiation efficiency curve figure.

Figure 13 is when the first switching device is arranged to the inductance with different induction value in antenna structure shown in Fig. 6 and the When two switching devices are the inductance that an inductance value is 5nH, S parameter (scattering parameter) curve map of the antenna structure.

Figure 14 is when the first switching device is arranged to the inductance with different induction value in antenna structure shown in Fig. 6 and the When two switching devices are the inductance that an inductance value is 10nH, S parameter (scattering parameter) curve map of the antenna structure.

Figure 15 is when the first switching device is arranged to the inductance with different induction value in antenna structure shown in Fig. 6 and the When two switching devices are the inductance that an inductance value is 15nH, S parameter (scattering parameter) curve map of the antenna structure.

Figure 16 is S parameter (scattering parameter) curve map of the second antenna in antenna structure shown in Fig. 1.

Figure 17 is the radiation efficiency curve figure of the second antenna in antenna structure shown in Fig. 1.

Figure 18 is the global radiation efficiency curve diagram of the second antenna in antenna structure shown in Fig. 1.

Figure 19 is the schematic diagram of antenna structure in the second preferred embodiment of the invention.

Figure 20 is the circuit diagram that antenna structure shown in Figure 19 is provided with match circuit.

Figure 21 is the circuit diagram that antenna structure shown in Figure 19 is provided with switching circuit and filter circuit.

Figure 22 is S parameter (scattering parameter) curve map of first antenna in antenna structure shown in Figure 19.

Figure 23 is the radiation efficiency curve figure of first antenna in antenna structure shown in Figure 19.

Figure 24 is S parameter (scattering parameter) curve map of the second antenna in antenna structure shown in Figure 19.

Figure 25 is the radiation efficiency curve figure of the second antenna in antenna structure shown in Figure 19.

Figure 26 is the global radiation efficiency curve diagram of the second antenna in antenna structure shown in Figure 19.

Figure 27 is that the antenna structure of the 3rd preferred embodiment of the invention is applied to the schematic diagram of radio communication device.

Figure 28 is the schematic diagram under another angle of radio communication device shown in Figure 27.

Figure 29 is the assembling schematic diagram of radio communication device shown in Figure 27.

Figure 30 is the floor map of antenna structure shown in Figure 27.

Figure 31 is electric current when antenna structure shown in Figure 27 works in 734-960MHz frequency ranges and 2500-2690MHz frequency ranges Move towards schematic diagram.

Figure 32 is current trend schematic diagram when antenna structure shown in Figure 27 works in 1805-2300MHz frequency ranges.

Figure 33 is the circuit diagram that antenna structure shown in Figure 27 is provided with match circuit.

Figure 34 is the day knot when the first matching element is arranged to different inductance values in antenna structure shown in Figure 33 S parameter (scattering parameter) curve map of structure.

Figure 35 is the day knot when the second matching element is arranged to different capacitances in antenna structure shown in Figure 33 S parameter (scattering parameter) curve map of structure.

Figure 36 is the day knot when the 3rd matching element is arranged to different inductance values in antenna structure shown in Figure 33 S parameter (scattering parameter) curve map of structure.

Figure 37 is S parameter (scattering parameter) curve map when antenna structure shown in Figure 27 works in low frequency modal.

Figure 38 is S parameter (scattering parameter) curve map when antenna structure shown in Figure 27 works in medium, high frequency mode.

Figure 39 is radiation efficiency curve figure when antenna structure shown in Figure 27 works in low frequency modal.

Figure 40 is global radiation efficiency curve diagram when antenna structure shown in Figure 27 works in low frequency modal.

Figure 41 is radiation efficiency curve figure when antenna structure shown in Figure 27 works in medium, high frequency mode.

Figure 42 is global radiation efficiency curve diagram when antenna structure shown in Figure 27 works in medium, high frequency mode.

Figure 43 a to Figure 43 h are the floor map of antenna structure shown in Figure 27.

Figure 44 is that the antenna structure of the 4th preferred embodiment of the invention is applied to the schematic diagram of radio communication device.

Figure 45 is the schematic diagram under another angle of radio communication device shown in Figure 44.

Figure 46 is the assembling schematic diagram of radio communication device shown in Figure 44.

Figure 47 is the floor map of antenna structure shown in Figure 44.

Figure 48 is the current trend schematic diagram of antenna structure shown in Figure 44.

Figure 49 is the circuit diagram that antenna structure shown in Figure 44 is provided with match circuit.

Figure 50 is the S parameter (scattering of the antenna structure when extension is different length in antenna structure shown in Figure 44 Parameter) curve map.

Figure 51 is the day knot when the second matching element is arranged to different capacitances in antenna structure shown in Figure 44 S parameter (scattering parameter) curve map of structure.

Figure 52 is the day knot when the 3rd matching element is arranged to different capacitances in antenna structure shown in Figure 44 S parameter (scattering parameter) curve map of structure.

Figure 53 is S parameter (scattering parameter) curve map of antenna structure shown in Figure 44.

Figure 54 is the radiation efficiency curve figure of antenna structure shown in Figure 44.

Figure 55 a to Figure 55 f are the floor map of antenna structure shown in Figure 44.

Main element symbol description

Antenna structure 100,100a, 300,500

Housing 11,31,51

Front frame 111,311,511

Backboard 112,312,512

Frame 113,313,513

Accommodation space 114,314,514

Receiving space 525

Terminal part 115,315,515

First sidepiece 116,316,516

Second sidepiece 117,317,517

First perforate 118

Second perforate 119

Fluting 120,320,520

First gap 121,321,521

Second gap 122,322,522

First breakpoint 123,323,523

Second breakpoint 124,324,524

First antenna section A1

Antenna segment E1, K1

First paragraph K11

Second segment K12

Second antenna segment A2

First grounding parts 12

First ground section G1

First linkage section 126, J1

Second grounding parts 13

Second ground section G2

Second linkage section 131, J2

First end T1, D1, H1

Second end T2, D2, H2

Coupling part 14

First feed-in section F1

First coupled section 141

Second coupled section 143

Parasitica 15

3rd ground section G3

First parasitic section 151

Second parasitic section 153

First feed-in source S1

Second feed-in source S2

Signal feed-in source 36,56

First antenna ANT1

Second antenna ANT2

Antenna ANT3, ANT4

Irradiation unit 16

First irradiation unit 33

Second feed-in section F2

4th ground section G4

First radiant section 161,331

Second radiant section 163,332

3rd radiant section 333

4th radiant section 334

5th radiant section 335

First resonance part 53

First linking arm Q1

First resonance paragraph 531

Second resonance paragraph 532

Second resonance part 54

Second linking arm Q2

Resonate arm 541

Extension 55

First extension 551

Second extension 552

Match circuit 17,27,37,57

First matching element 171,271,371,571

Second matching element 172,272,372,572

3rd matching element 173,273,373,573

4th matching element 177

Switching circuit 18

First switching device 181

Second switching device 183

Filter circuit 19,29

Inductance L1

First electric capacity C1

Second electric capacity C2

First inductance L2

Second inductance L3

Electric capacity C3

Radio communication device 200,400,600

Display unit 201,401,601

First electronic component 202,402,602

Second electronic component 203,403,603

3rd electronic component 204,404,604

4th electronic component 205,405,605

5th electronic component 206,406,606

207、208、209、407、408、

Through hole

409、607、608、609

Second irradiation unit 34

First radiation arm 341

Second radiation arm 342

3rd radiation arm 343

4th radiation arm 344

5th radiation arm 345

3rd irradiation unit 35

3rd linkage section J3

First resonant section 351

Second resonant section 352

3rd resonant section 353

4th resonant section 354

5th resonant section 355

Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.

It should be noted that when an element is referred to as " electrically connecting " another element, it can be directly in another yuan On part or there may also be element placed in the middle.When an element is considered as " electrical connection " another element, it can be connect Connection is touched, for example, it may be the mode of wire connection or contactless connection, for example, it may be contactless coupling Mode.

Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases The arbitrary and all combination of the Listed Items of pass.

Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.It is following in the case where not conflicting Feature in embodiment and embodiment can be mutually combined.

Embodiment 1-2

Referring to Fig. 1, better embodiment of the present invention provides a kind of antenna structure 100, it can be applied to mobile phone, individual In the radio communication devices such as personal digital assistant 200, to launch, receive radio wave to transmit, exchange wireless signal.

Also referring to Fig. 2, the antenna structure 100 includes housing 11, the first grounding parts 12, the second grounding parts 13, coupling Conjunction portion 14, Parasitica 15, irradiation unit 16, the first feed-in source S1 and the second feed-in source S2.The housing 11 can be described wireless The shell of communicator 200.In the present embodiment, the housing 11 is made up of metal material.The housing 11 includes front frame 111st, backboard 112 and frame 113.The front frame 111, backboard 112 and frame 113 can be integrally formed.The front frame 111st, backboard 112 and frame 113 form the shell of the radio communication device 200.An opening is provided with the front frame 111 (figure is not marked), for housing the display unit 201 of the radio communication device 200.It is appreciated that the display unit 201 has There is a display plane, the display plane is exposed to the opening, and the display plane is arranged substantially in parallel with the backboard 112.

The backboard 112 is oppositely arranged with the front frame 111.The backboard 112 is directly connected to frame 113, the back of the body There is no space between plate 112 and frame 113.The backboard 112 is equivalent to the antenna structure 100 and the radio communication device 200 ground.

The frame 113 is located between the front frame 111 and the backboard 112, and respectively around the front frame 111 and The periphery of the backboard 112 is set, to surround an appearance jointly with the display unit 201, the front frame 111 and backboard 112 114 between being empty.The accommodation space 114 is first to house the electronics such as the circuit board of the radio communication device 200, processing unit Part or circuit module are in the inner.

The frame 113 comprises at least terminal part 115, the first sidepiece 116 and the second sidepiece 117.In the present embodiment, The terminal part 115 is the bottom of the radio communication device 200.The terminal part 115 connects the front frame 111 and the back of the body Plate 112.First sidepiece 116 is oppositely arranged with second sidepiece 117, and both are respectively arranged at the terminal part 115 Both ends, preferred vertical are set.First sidepiece 116 is also connected the front frame 111 and the backboard with second sidepiece 117 112。

The first perforate 118, the second perforate 119 and fluting 120 are further opened with the frame 113.Opened in the front frame 111 Provided with the first gap 121, the second gap 122, the first breakpoint 123 and the second breakpoint 124.First perforate 118 and Two perforates 119 are opened on the terminal part 115, and both are arranged at intervals and penetrate the terminal part 115.

Also referring to Fig. 3, the radio communication device 200 also includes an at least electronic component.In the present embodiment, institute Stating radio communication device 200 includes the first electronic component 202, the second electronic component 203, the 3rd electronic component 204, the 4th electronics The electronic component 206 (ginseng Fig. 3) of element 205 and the 5th.First electronic component 202 is an earphone interface module, and it is set In in the accommodation space 114, and neighbouring first sidepiece 116 is set.First electronic component 202 is opened with described first Hole 118 is corresponding, to cause first electronic component 202 to expose from the part of the first perforate 118.Such user can be by one Earphone is inserted by first perforate 118, and then is established and be electrically connected with first electronic component 202.

Second electronic component 203 is a USB module, and it is arranged in the accommodation space 114, and positioned at described the Between one electronic component 202 and second sidepiece 117.Second electronic component 203 is relative with second perforate 119 Should, to cause second electronic component 203 to expose from the part of the second perforate 119.Such user can lead to a USB device Cross second perforate 119 to insert, and then establish and be electrically connected with second electronic component 203.3rd electronic component 204 and the 4th electronic component 205 be rear camera module.5th electronic component 206 is a flash lamp.

The single sheet metal that the backboard 112 is formed in one, to appear double camera camera lens (i.e. the 3rd electronic component 204 And the 4th electronic component 205) with the element such as flash lamp (i.e. the 5th electronic component 206), the setting of backboard 112 through hole 207, 208、209.The backboard 112 does not set any fluting, broken string or disconnected for splitting the insulation of the backboard 112 thereon Point.

In the present embodiment, the fluting 120 is laid on the terminal part 115, and with first perforate 118 and the Two perforates 119 connect, and extend respectively to the sidepiece 117 of the first sidepiece 116 and second.It is appreciated that in other implementations In example, the fluting 120 can also be only arranged at the terminal part 115, and not extend to the sidepiece of the first sidepiece 116 and second Any one in 117, or the fluting 120 are arranged at the terminal part 115, and extend only to first sidepiece 116 And second sidepiece 117 one of them.

First gap 121, the second gap 122, the first breakpoint 123 and the second breakpoint 124 with it is described fluting 120 Connection, and extend to the cut-off front frame 111.In the present embodiment, first gap 121 is opened in the front frame 111, And connected with the first end T1 that the fluting 120 is laid in first sidepiece 116.Second gap 122 is opened in described In front frame 111, and connected with the second end T2 that the fluting 120 is laid in second sidepiece 117.First breakpoint 123 And second breakpoint 124 be arranged at intervals in the front frame 111 between the first end T1 and the second end T2, and opened with described Groove 120 connects.In this way, the 120, first gap 121 of the fluting, the second gap 122, the first breakpoint 123 and the second breakpoint 124 The first antenna section A1 and the second antenna segment A2 of spaced setting are at least separated out from the housing 11 jointly.Wherein, it is described The front frame 111 between first gap 121 and first breakpoint 123 forms the first antenna section A1.Second seam The front frame 111 between gap 122 and second breakpoint 124 forms the second antenna segment A2.In the present embodiment, it is described First breakpoint 123 is respectively arranged at the both sides of second perforate 119 with second breakpoint 124.

It is appreciated that in the present embodiment, in addition to the position of the perforate 119 of the first perforate 118 and second, institute State in fluting 120, the first gap 121, the second gap 122, the first breakpoint 123 and the second breakpoint 124 and be filled with insulation material Material (such as plastic cement, rubber, glass, timber, ceramics etc., but do not limited with this As).

It is appreciated that in the present embodiment, the fluting 120 is opened in the frame 113 close to the one of the backboard 112 End, and the front frame 111 is extended to, to cause the first antenna section A1 and the second antenna segment A2 completely by the part front frame 111 are formed.Certainly, in other embodiments, the fluting 120 opens up position and can be also adjusted according to real needs.Example Such as, the fluting 120 is opened in the frame 113 close to one end of the backboard 112, and towards the place direction of front frame 111 Extension, to cause the first antenna section A1 and the second antenna segment A2 by the part front frame 111 and the part structure of frame 113 Into.

It is appreciated that the lower half of the front frame 111 and frame 113 is except the 120, first gap 121, second of the fluting Fluting, broken string or the breakpoint that other insulate are not set again beyond gap 122, the first breakpoint 123 and the second breakpoint 124, because Just there was only the first gap 121, the second gap 122, the first breakpoint 123 and the second breakpoint in the lower half of this front frame 111 124, without other breakpoints.

It is appreciated that in the present embodiment, the width substantially 3.43mm of the fluting 120.First breakpoint 123 and The width substantially 2mm of second breakpoint 124.The width substantially 3.43mm in the gap 122 of the first gap 121 and second.The The distance between one breakpoint 123 and the second breakpoint 124 substantially 11.1mm.

First grounding parts 12 are arranged at first electronic component 202 close to the side of first breakpoint 123.Institute It is substantially L-shaped to state the first grounding parts 12, it includes the first ground section G1 and the first linkage section 126.The first ground section G1 is big Rectangular strip is caused, it is arranged in the plane perpendicular with the backboard 112.One end of the first ground section G1 vertically connects First linkage section 126 is connected to, the other end is electrically connected to the backboard 112, that is, is grounded.First linkage section 126 is substantially Rectangular strip, it is wholy set in the plane parallel with the backboard 112.Hang down one end of first linkage section 126 Direct-connected to be connected to the one end of the first ground section G1 away from the backboard 112, the other end is along parallel first sidepiece 116 and leans on The direction extension of the nearly terminal part 115, until being connected with the first antenna section A1, to cause the first antenna section A1 to lead to First grounding parts 12 are crossed to be grounded.

Second grounding parts 13 are arranged at first electronic component 202 close to the side of first sidepiece 116.Institute It is substantially L-shaped to state the second grounding parts 13, it includes the second ground section G2 and the second linkage section 131.The second ground section G2 is big Rectangular strip is caused, it is arranged in the plane perpendicular with the backboard 112.One end electrical connection of the second ground section G2 To second linkage section 131, the other end is electrically connected to the backboard 112, that is, is grounded.Second linkage section 131 is substantially in Rectangular strip, it is wholy set in the plane parallel with the backboard 112.One end of second linkage section 131 is vertical It is connected to the one end of the second ground section G2 away from the backboard 112, the other end is along parallel first sidepiece 116 and close The direction extension of the terminal part 115, until being connected with the first antenna section A1, to cause the first antenna section A1 to pass through Second grounding parts 13 are grounded.

The grounding parts 13 of first grounding parts 12 and second are all close to first perforate 118.First grounding parts 12 The both sides of first perforate 118 are respectively arranged at the second grounding parts 13.

The coupling part 14 electrically connects with the first feed-in source S1, to form a unipole antenna.The coupling part 14 wraps Include the first feed-in section F1, the first coupled section 141 and the second coupled section 143.The first feed-in section F1 is arranged at first electricity Between the electronic component 203 of subcomponent 202 and second.The generally rectangular shaped strips of the first feed-in section F1, its be arranged at it is described In the vertical plane of backboard 112.One end of the first feed-in section F1 is electrically connected to first coupled section 141, other end electricity The first feed-in source S1 is connected to, to for the feed-in electric current of coupling part 14.

First coupled section, the 141 generally rectangular shaped strip, it is arranged in the plane parallel with the backboard 112. One end vertical connection of first coupled section 141 to the one end of the first feed-in section F1 away from the first feed-in source S1, The other end extends along parallel first sidepiece 116 and close to the direction of the terminal part 115.Second coupled section 143 with First coupled section, the 141 coplanar setting.The vertical connection of second coupled section 143 is to first coupled section 141 away from institute The first feed-in section F1 end is stated, and respectively along the parallel terminal part 115 and close to the sidepiece of the first sidepiece 116 and second 117 direction extension, and then form T-type structure with first coupled section 141.

The Parasitica 15 is a passive antenna.The Parasitica 15 is arranged at first coupled section 141 and described the Between two electronic components 203.The Parasitica 15 includes the 3rd ground section G3, the first parasitic 151 and second parasitic section 153 of section. The generally rectangular shaped strips of the 3rd ground section G3, it is arranged in the plane perpendicular with the backboard 112.Described 3rd connects Location G3 one end vertical connection to the described first parasitic section 151, the other end is electrically connected to the backboard 112, that is, is grounded.It is described First parasitic 151 generally rectangular shaped strip of section, its one end vertical connection to the 3rd ground section G3 is away from the backboard 112 One end, the other end are along parallel second coupled section 143 and (namely close close to the direction of second electronic component 203 The direction of second sidepiece 117) extension.The second parasitic 153 generally rectangular shaped strip of section, its vertical connection to described One one end of parasitic section 151 away from the 3rd ground section G3, and along parallel first sidepiece 116 and away from the terminal part 115 direction extension.

Also referring to Fig. 4 and Fig. 5, it will be understood that in the present embodiment, the first antenna section A1, the first grounding parts 12nd, the second grounding parts 13, coupling part 14 and Parasitica 15 collectively form first antenna ANT1, for exciting first mode to produce The radiation signal of raw first frequency range.In the present embodiment, the first mode is a LTE-A medium, high frequency mode.First frequency range For 1710-2690MHz frequency ranges.Specifically, also referring to Fig. 4, after electric current enters from the first feed-in source S1, electric current will The coupling part 14 is flowed into, and the first antenna section A1 is coupled to by the coupling part 14, to flow through the first antenna Section A1, and is grounded by first grounding parts 12 and second grounding parts 13, to cause the coupling part 14 and described the One antenna segment A1 excites the Mid Frequency of the first mode, i.e. 1710-2300MHz frequency ranges jointly in a manner of quarter-wave. The coupling part 14 excites first mould jointly with the part first antenna section A1 also in a manner of quarter-wave simultaneously First high band of state, i.e. 2300-2400MHz frequency ranges (please join path I1).In addition, when electric current enters from the first feed-in source S1 After entering, electric current will flow into the coupling part 14, and be coupled to the Parasitica 15 by the coupling part 14, and be posted by described The 3rd ground section G3 ground connection (path I2 please be join) in life portion 15, to cause the Parasitica 15 to be excited in a manner of quarter-wave Second high band of the first mode, i.e. 2500-2690MHz frequency ranges.Obviously, in the present embodiment, the Parasitica 15 is led It is used for the high band frequency range for improving the first antenna ANT1.

Referring to Fig. 2, the irradiation unit 16 is wholy set in second electronic component 203 and second sidepiece Between 117.The irradiation unit 16 includes the second feed-in section F2, the 4th ground section G4, the first radiant section 161 and the second radiant section 163.The generally rectangular shaped strips of the second feed-in section F2, it is arranged in the plane perpendicular with the backboard 112, and neighbouring Second sidepiece 117 is set.One end of the second feed-in section F2 is electrically connected to the second feed-in source S2, and the other end is electrically connected First radiant section 161 is connected to, to for the feed-in electric current of irradiation unit 16.

The generally rectangular shaped strips of the 4th ground section G4, it is arranged in the plane perpendicular with the backboard 112, and position Between the second feed-in section F2 and second electronic component 203.One end of the 4th ground section G4 is electrically connected to institute Backboard 112 is stated, that is, is grounded, the other end is electrically connected to first radiant section 161, to provide ground connection for the irradiation unit 16.

First radiant section, the 161 generally rectangular shaped strip, it is arranged in the plane parallel with the backboard 112. One end vertical connection of first radiant section 161 to the one end of the second feed-in section F2 away from the second feed-in source S2, And extended a distance into along the parallel terminal part 115 and close to the direction of first sidepiece 116, to be grounded with the described 4th Section one end vertical connections of the G4 away from the backboard 112, then over the 4th ground section G4, to continue along the parallel end End 115 and the direction extension of close first sidepiece 116.Second radiant section, the 163 generally rectangular shaped strip, itself and institute State the 161 coplanar setting of the first radiant section.One end vertical connection of second radiant section 163 is remote to first radiant section 161 From one end of the second feed-in section F2, the other end is along parallel first sidepiece 116 and close to the direction of the terminal part 115 Extension, until being electrically connected with the second antenna segment A2 adjacent to the side of second breakpoint 124.

Also referring to Fig. 4 and Fig. 6, it will be understood that in the present embodiment, the irradiation unit 16 and second antenna segment A2 is collectively forming one second antenna ANT2, for exciting second mode to produce the radiation signal of the second frequency range.First frequency The frequency of section is higher than the frequency of second frequency range.In the present embodiment, the second antenna ANT2 is inverted F shaped antenna.It is described Second mode is LTE-A low frequency modals, and second frequency range is 700-960MHz frequency ranges.Specifically, referring to Fig. 4, when For electric current from after the second feed-in source S2 entrance, electric current will flow into the irradiation unit 16, and flow into institute by the irradiation unit 16 The second antenna segment A2 is stated, to flow through the second antenna segment A2, and (please by the 4th ground section G4 ground connection of the irradiation unit 16 Join path I3), and then the low frequency modal is excited, to produce the radiation signal of 700-960MHz frequency ranges.

It is appreciated that referring to Fig. 5, in the present embodiment, the first antenna ANT1 forms four port networks.Institute Stating four ports includes the first ground section G1, the second ground section G2, the 3rd ground section G3 and the first feed-in section F1, and by each Corresponding matching element is set at port, to form corresponding match circuit 17, and then effectively adjusts and optimizes described first day Line ANT1 frequency range and impedance matching.Specifically, in one of the embodiments, the match circuit 17 includes the first matching member Part 171, the second matching element 172, the 3rd matching element 173 and the 4th matching element 174.First matching element 171 One end be electrically connected to the first feed-in section F1, the other end is electrically connected to the first feed-in source S1.The first feed-in source The S1 other end is electrically connected to the backboard 112, that is, is grounded.One end of second matching element 172 is electrically connected to described One ground section G1, the other end are electrically connected to the backboard 112, that is, are grounded.One end of 3rd matching element 173 is electrically connected to The second ground section G2, the other end are electrically connected to the backboard 112, that is, are grounded.One end electricity of 4th matching element 174 The 3rd ground section G3 is connected to, the other end is electrically connected to the backboard 112, that is, is grounded.In the present embodiment, described first Matching element 171, the 3rd matching element 173 and the 4th matching element 174 are inductance.Second matching element 172 is One electric capacity.Certainly, in other embodiments, first matching element 171, the second matching element 172, the 3rd matching element 173 and the 4th matching element 174 be not limited to inductance and electric capacity described above, its can also be other matching elements or its Combination.

It is appreciated that referring to Fig. 6, in the present embodiment, the second antenna ANT2 forms two-port network.Institute Stating two-port includes the second feed-in section F2 and the 4th ground section G4, and by setting corresponding switching device at each port, To form corresponding switching circuit 18, and then effectively adjust the low frequency modal of the second antenna ANT2.Specifically, wherein one In individual embodiment, the switching circuit 18 includes the first switching device 181 and the second switching device 183.The first switching member One end of part 181 is electrically connected to the second feed-in section F2, and the other end is electrically connected to the second feed-in source S2.Second feedback The other end for entering source S2 is electrically connected to the backboard 112, that is, is grounded.One end of second switching device 183 is electrically connected to institute The 4th ground section G4 is stated, the other end is electrically connected to the backboard 112, that is, is grounded.In the present embodiment, first switching device 181 and second switching device 183 be adjustable inductance, can switch among multiple default inductance values.In this way, by setting The inductance value of the switching device 183 of adjustable first switching device 181 and second is put, make it that the switching circuit 18 is formed Double switching circuits, and then effectively adjust the low frequency modal of the second antenna ANT2.It is appreciated that in other embodiments, institute State the first switching device 181 and the second switching device 183 is not limited to adjustable inductance described above, it can also be others Switching device or its combination, such as the switching device 183 of first switching device 181 and second can be in multiple default impedances Worthwhile middle switching.

It is appreciated that in other embodiments, the second antenna ANT2 may also include a filter circuit 19.The filtering Circuit 19 is electrically connected between first switching device 181 and the second feed-in source S2, effectively to suppress high-frequency harmonic Mode, and then the isolation being effectively improved between the first antenna ANT1 and the second antenna ANT2.One implements wherein In example, the filter circuit 19 includes inductance L1, the first electric capacity C1 and the second electric capacity C2.The inductance L1 is series at described first Between switching device 181 and the second feed-in source S2.One end of the first electric capacity C1 is electrically connected to the inductance L1 and institute Between stating the second feed-in source S2, the other end is electrically connected to the backboard 112, that is, is grounded.One end of the second electric capacity C2 is electrically connected Be connected between the inductance L1 and first switching device 181, the other end is electrically connected to the backboard 112, that is, is grounded, with The inductance L1 and the first electric capacity C1 forms ∏ type filter circuits.In the present embodiment, the inductance value of the inductance L1 is 9.1nH.The first electric capacity C1 and the second electric capacity C2 capacitance are 4pF.

It is appreciated that the backboard 112 can be as the antenna structure 100 and the ground of the radio communication device 200. In another embodiment, the screen for shielding electromagnetic interference can be set towards the side of backboard 112 in the display unit 201 Cover the center of cover (shielding mask) or the support display unit 201.The radome or center are with metal material system Make.The radome or center can be connected with the backboard 112 to be used as the antenna structure 100 and the radio communication The ground of device 200.It is grounded in above-mentioned everywhere, the radome or center can substitute the backboard 112 for the day Cable architecture 100 or the radio communication device 200 are grounded.In another embodiment, the main circuit of the radio communication device 200 Ground plane can be set in plate, is grounded in above-mentioned everywhere, and the ground plane can substitute the backboard 112 for the day knot Structure 100 or the radio communication device 200 are grounded.The ground plane can be with the radome, center or the phase of the backboard 112 Connection.

Fig. 7 is described first day when first matching element 171 is an inductance, and is arranged to different inductance values Line ANT1 S parameter (scattering parameter) curve map.Wherein, curve S71 is when first matching element 171 is that an inductance value is The S11 values of first antenna ANT1 during 2.1nH inductance.Curve S72 is when first matching element 171 is an inductance value For 1.5nH inductance when the first antenna ANT1 S11 values.Curve S73 is when first matching element 171 is an inductance It is worth the S11 values of the first antenna ANT1 during inductance for 2.7nH.

Fig. 8 is described first day when second matching element 172 is an electric capacity, and is arranged to different capacitances Line ANT1 S parameter (scattering parameter) curve map.Wherein, curve S81 is when second matching element 172 is that a capacitance is The S11 values of first antenna ANT1 during 30pF electric capacity.Curve S82 is when second matching element 172 is a capacitance For 10pF electric capacity when the first antenna ANT1 S11 values.Curve S83 is when second matching element 172 is an electric capacity It is worth the S11 values of the first antenna ANT1 during electric capacity for 50pF.

Fig. 9 is described first day when the 3rd matching element 173 is an inductance, and is arranged to different inductance values Line ANT1 S parameter (scattering parameter) curve map.Wherein, curve S91 is when the 3rd matching element 173 is that an inductance value is The S11 values of first antenna ANT1 during 8.2nH inductance.Curve S92 is when the 3rd matching element 173 is an inductance value For 6.2nH inductance when the first antenna ANT1 S11 values.Curve S93 is when the 3rd matching element 173 is an inductance It is worth the S11 values of the first antenna ANT1 during inductance for 10.2nH.

Figure 10 is described first day when the 4th matching element 174 is an inductance, and is arranged to different inductance values Line ANT1 S parameter (scattering parameter) curve map.Wherein, curve S101 is when the 4th matching element 174 is an inductance value For 3.6nH inductance when the first antenna ANT1 S11 values.Curve S102 is when the 4th matching element 174 is an electricity The S11 values of first antenna ANT1 when inductance value is 3.3nH inductance.Curve S103 is when the 4th matching element 174 is The S11 values of first antenna ANT1 when one inductance value is 3.9nH inductance.

Obviously, it was found from Fig. 7 to Figure 10, the second matching element 172 described in the antenna structure 100 and the 3rd matching member Part 173 is mainly used in adjusting the Mid Frequency of the first mode, i.e. 1710-2300MHz frequency ranges.First matching element 171 For adjusting the first high band of the first mode, i.e. 2300-2400MHz frequency ranges.4th matching element 174 is used to adjust Second high band of the whole first mode, i.e. 2500-2690MHz frequency ranges.

Figure 11 is first matching element 171 described in the match circuit 17, the matching of the second matching element the 172, the 3rd The matching element 174 of element 173 and the 4th be respectively inductance value be 2.1nH inductance, capacitance be 30pF electric capacity, inductance value During the inductance that inductance and inductance value for 8.2nH are 3.6nH, S parameter (scattering parameter) curve of the first antenna ANT1 Figure.

Figure 12 is first matching element 171 described in the match circuit 17, the matching of the second matching element the 172, the 3rd The matching element 174 of element 173 and the 4th be respectively inductance value be 2.1nH inductance, capacitance be 30pF electric capacity, inductance value During the inductance that inductance and inductance value for 8.2nH are 3.6nH, the radiation efficiency curve figure of the first antenna ANT1.Wherein, Curve S121 is the radiation efficiency of the first antenna ANT1.Curve S122 is the global radiation efficiency of the first antenna ANT1. Obviously, the medium-high frequency of the first antenna ANT1 can cover to 1710-2690MHz, and big in its antenna efficiency in effective frequency range In -3dB, meet the design requirement of antenna.

Figure 13 is when first switching device 181 is arranged to the inductance with different induction value, and second switching When element 183 is the inductance that an inductance value is 5nH, S parameter (scattering parameter) curve map of the second antenna ANT2.Wherein, Curve S131 is when the short circuit of the first switching device 181, and the electricity that second switching device 183 is 5nH for an inductance value Second antenna ANT2 S11 values described in during sense.Curve S132 is when the switching device 183 of the first switching device 181 and second Second antenna ANT2 S11 values described in when being the inductance that an inductance value is 5nH.Curve S133 is when first switching device 181 and second switching device 183 be respectively inductance value be 10nH and 5nH inductance when described in the second antenna ANT2 S11 values.It is bent Line S134 is when the switching device 183 of the first switching device 181 and second is respectively that inductance value is 20nH and during 5nH inductance The S11 values of the second antenna ANT2.Curve S135 is when the switching device 183 of the first switching device 181 and second is distinguished For inductance value it is 30nH and the S11 values of the second antenna ANT2 described in during 5nH inductance.

Figure 14 is when first switching device 181 is arranged to the inductance with different induction value, and second switching When element 183 is the inductance that an inductance value is 10nH, S parameter (scattering parameter) curve map of the second antenna ANT2.Wherein, Curve S141 is when the short circuit of the first switching device 181, and the electricity that second switching device 183 is 10nH for an inductance value Second antenna ANT2 S11 values described in during sense.Curve S142 is when the switching device 183 of the first switching device 181 and second Second antenna ANT2 S11 values described in when respectively inductance value is 5nH and 10nH inductance.Curve S143 is when described first cuts Change the S11 values of the second antenna ANT2 described in when the switching device 183 of element 181 and second is the inductance that an inductance value is 10nH. Curve S144 is when the switching device 183 of the first switching device 181 and second respectively inductance value is 20nH and 10nH electricity Second antenna ANT2 S11 values described in during sense.Curve S145 is when the switching device 183 of the first switching device 181 and second Second antenna ANT2 S11 values described in when respectively inductance value is 30nH and 10nH inductance.

Figure 15 is when first switching device 181 is arranged to the inductance with different induction value, and second switching When element 183 is the inductance that an inductance value is 15nH, S parameter (scattering parameter) curve map of the second antenna ANT2.Wherein, Curve S151 is is short circuit when first switching device 181, and second switching device 183 is that an inductance value is 15nH's Second antenna ANT2 S11 values described in during inductance.Curve S152 is when the switching device of the first switching device 181 and second 183 be respectively inductance value be 5nH and 15nH inductance when described in the second antenna ANT2 S11 values.Curve S153 is when described the Second antenna described in when one switching device 181 and the second switching device 183 are respectively the inductance that inductance value is 10nH and 15nH ANT2 S11 values.Curve S154 is when the switching device 183 of the first switching device 181 and second is respectively that inductance value is Second antenna ANT2 S11 values described in during 20nH and 15nH inductance.Curve S155 is when first switching device 181 and the Second antenna ANT2 S11 values described in when two switching devices 183 are respectively the inductance that inductance value is 30nH and 15nH.

Obviously, described is mainly passed through from above-mentioned Figure 13 to Figure 15, the second antenna ANT2 of the antenna structure 100 Two switching devices 183 adjust the frequency range (700/850/900MHz) of the second antenna ANT2, then by first switching device Second antenna ANT2 Frequency point and impedance matching described in 181 fine tunings.

Also referring to table 1, for when the switching circuit 18 is using different configurations, the in the antenna structure 100 Two antenna ANT2 working frequency range.

Figure 16 is S parameter (scattering parameter) curve map of the second antenna ANT2 in the antenna structure 100.Wherein, curve S161 is S11 values when the second antenna ANT2 works in 704-746MHz (LTE-Aband17).Curve S162 is described the Two antenna ANT2 work in S11 values during 746-787MHz (LTE-A band13).Curve S163 is the second antenna ANT2 Work in S11 values during 824-894MHz (LTE-A band5).Curve S164 is that the second antenna ANT2 works in 880- S11 values during 960MHz (LTE-A band8).

Figure 17 is the radiation efficiency curve figure of the second antenna ANT2 in the antenna structure 100.Wherein, curve S171 is institute State radiation efficiency when the second antenna ANT2 works in 704-746MHz (LTE-A band17).Curve S172 is described second day Line ANT2 works in radiation efficiency during 746-787MHz (LTE-A band13).Curve S173 is the second antenna ANT2 works Make in radiation efficiency during 824-894MHz (LTE-A band5).Curve S174 is that the second antenna ANT2 works in 880- Radiation efficiency during 960MHz (LTE-A band8).

Figure 18 is the global radiation efficiency curve diagram of the second antenna ANT2 in the antenna structure 100.Wherein, curve S181 is The second antenna ANT2 works in global radiation efficiency during 704-746MHz (LTE-A band17).Curve S182 is described the Two antenna ANT2 work in global radiation efficiency during 746-787MHz (LTE-A band13).Curve S183 is second antenna ANT2 works in global radiation efficiency during 824-894MHz (LTE-A band5).Curve S184 is the second antenna ANT2 works Make in global radiation efficiency during 880-960MHz (LTE-A band8).

Obviously, from Figure 16 to Figure 18, the low frequency Ke Han Cover 700-960MHz of the antenna structure 100, and it is radiated Efficiency is all higher than -5dB, meets Antenna Operation design requirement, and have preferable radiation efficiency.

It is appreciated that in other embodiments, the antenna structure 100 is not limited to set the first breakpoint 123 and second Breakpoint 124, i.e., the quantity of described breakpoint are not limited to two, also can only set one or more, it is only necessary to ensure the day knot Structure 100 can at least form spaced first antenna section A1 and the second antenna segment A2.

As previously described, the antenna structure 100 is by setting the 120, first gap 121 of the fluting, the second gap 122nd, the first breakpoint 123 and the second breakpoint 124, to mark off spaced first antenna section A1 and from the front frame 111 Two antenna segment A2.The antenna structure 100 is additionally provided with coupling part 14, Parasitica 15 and irradiation unit 16, and then causes described Coupling part 14, the Parasitica 15 and first antenna section A1 form first antenna ANT1, to produce the radiation of medium, high frequency frequency range letter Number.The irradiation unit 16 forms the second antenna ANT2 with the second antenna segment A2, to produce the radiation signal of low frequency band.Cause Carrier aggregation (CA, the Carrier of Long Term Evolution upgrade version (LTE-Advanced) can be used in this radio communication device 200 Aggregation) technology is received or sent in multiple different frequency ranges simultaneously with the first antenna ANT1 and the second antenna ANT2 Wireless signal is to increase transmitting bandwidth.

In addition, the antenna structure 100 is by setting the housing 11, and the first perforate 118, second on the housing 11 Perforate 119, the 120, first gap 121 of fluting, the second gap 122, the first breakpoint 123 and the second breakpoint 124 may be contained within described In front frame 111 and frame 113, it is not arranged on the backboard 112 so that the backboard 112 forms all-metal construction, i.e. institute State fluting, broken string or the breakpoint not insulated on backboard 112 so that the backboard 112 can be avoided due to slotting, breaking or breaking Point setting and influence the integrality and aesthetic property of backboard 112.

Also referring to Figure 19 to Figure 21, the antenna structure 100a provided for the second preferred embodiment of the invention.The day Cable architecture 100a includes housing 11, the first grounding parts 12, the second grounding parts 13, coupling part 14, irradiation unit 16, the first feed-in source S1, the second feed-in source S2, switching circuit 18, match circuit 27 and filter circuit 29.The housing 11 includes front frame 111, backboard 112 and frame 113.The frame 113 comprises at least terminal part 115, the first sidepiece 116 and the second sidepiece 117.The frame The first perforate 118, the second perforate 119 and fluting 120 are further opened with 113.Offered in the front frame 111 first gap 121, Second gap 122, the first breakpoint 123 and the second breakpoint 124.The 120, first gap 121 of the fluting, the second gap 122, the One breakpoint 123 and the second breakpoint 124 are separated out the first antenna section A1 and of spaced setting from the housing 11 jointly Two antenna segment A2.

It is appreciated that in the present embodiment, the difference of antenna structure 100a and antenna structure 100 is that described first is disconnected Point 123 is bigger with the distance between the second breakpoint 124.Specifically, in the present embodiment, first breakpoint 123 and second The distance between breakpoint 124 is 23.1mm.

It is appreciated that also referring to Figure 19 and Figure 20, in the present embodiment, antenna structure 100a and antenna structure 100 difference also resides in, and antenna structure 100a does not include the Parasitica 15, that is, omits the Parasitica 15.It is in this way, described First antenna ANT1 forms three-port network structure, i.e., described match circuit 27 does not include the 4th matching element 174.Specifically , in the present embodiment, the match circuit 27 includes the first matching element 271, the second matching element 272 and the 3rd matching Element 273.In the present embodiment, first matching element 271, the second matching element 272 and the 3rd matching element 273 are equal For inductance, and its inductance value is respectively 2.7nH, 13nH and 0.8nH.

In addition, also referring to Figure 21, in the present embodiment, the difference of antenna structure 100a and antenna structure 100 is also It is, the particular circuit configurations of the filter circuit 29 and filter circuit 19 simultaneously differ.Specifically, the filter circuit 29 wraps Include the first inductance L2, the second inductance L3 and electric capacity C3.The first inductance L2 and the second inductance L3 is series at first switching Between the feed-in source S2 of element 181 and second.One end of the electric capacity C3 is electrically connected to the first inductance L2 and the second inductance L3 Between, the other end is electrically connected to the backboard 112, that is, is grounded, and then T-shaped with the first inductance L2 and the second inductance L3 compositions Filter structure.In one of the embodiments, the first inductance L2 and the second inductance L3 inductance value are 9.1nH.It is described Electric capacity C3 capacitance is 3.3pF.

Also referring to table 2, for when switching circuit 18 is using different configurations in the antenna structure 100a, the day Second antenna ANT2 working frequency range in cable architecture 100a.

Figure 22 is S parameter (scattering parameter) curve map of first antenna ANT1 in the antenna structure 100a.Figure 23 is institute State the radiation efficiency curve figure of first antenna ANT1 in antenna structure 100a.Wherein, curve S231 is the antenna structure 100a Middle first antenna ANT1 radiation efficiency.The global radiation effect that curve S232 is first antenna ANT1 in the antenna structure 100a Rate.Obviously, by Figure 22 to Figure 23 it is recognized that while the antenna structure 100a does not include the Parasitica 15, the right day knot Structure 100a medium-high frequency can also cover to 1710-2690MHz, and its radiation efficiency and global radiation efficiency are all higher than -3dB, meet Antenna Operation design requirement, and there is preferable radiation efficiency.

Figure 24 is S parameter (scattering parameter) curve map of the second antenna ANT2 in the antenna structure 100a.Wherein, curve S241 is S11 values when the second antenna ANT2 works in 704-746MHz (LTE-A band17).Curve S242 is described Second antenna ANT2 works in S11 values during 746-787MHz (LTE-A band13).Curve S243 is second antenna ANT2 works in S11 values during 824-894MHz (LTE-A band5).Curve S244 is that the second antenna ANT2 is worked in S11 values during 880-960MHz (LTE-A band8).

Figure 25 is the radiation efficiency curve figure of the second antenna ANT2 in the antenna structure 100a.Wherein, curve S251 is The second antenna ANT2 works in radiation efficiency during 704-746MHz (LTE-A band17).Curve S252 is described second Antenna ANT2 works in radiation efficiency during 746-787MHz (LTE-A band13).Curve S253 is the second antenna ANT2 Work in radiation efficiency during 824-894MHz (LTE-A band5).Curve S254 is that the second antenna ANT2 is worked in Radiation efficiency during 880-960MHz (LTE-A band8).

Figure 26 is the global radiation efficiency curve diagram of the second antenna ANT2 in the antenna structure 100a.Wherein, curve S261 Global radiation efficiency during 704-746MHz (LTE-A band17) is worked in for the second antenna ANT2.Curve S262 is described Second antenna ANT2 works in global radiation efficiency during 746-787MHz (LTE-A band13).Curve S263 is described second day Line ANT2 works in global radiation efficiency during 824-894MHz (LTE-A band5).Curve S264 is the second antenna ANT2 Work in global radiation efficiency during 880-960MHz (LTE-A band8).Obviously, by Figure 24 to Figure 26 it is recognized that while the day Cable architecture 100a does not include the Parasitica 15, and right antenna structure 100a low frequency can also be covered to 700-960MHz, and Its radiation efficiency and global radiation efficiency are all higher than -5dB, meet Antenna Operation design requirement, and have preferable radiation efficiency.

Embodiment 3

Figure 27 is referred to, the 3rd better embodiment of the invention provides a kind of antenna structure 300, and it can be applied to mobile electricity In the radio communication devices such as words, personal digital assistant 400, to launch, receive radio wave to transmit, exchange wireless signal.

Also referring to Figure 28, the antenna structure 300 includes housing 31, the first irradiation unit 33, the second irradiation unit 34, the Three irradiation units 35 and signal feed-in source 36.The housing 31 can be the shell of the radio communication device 300.In this implementation In example, the housing 31 is made up of metal material.The housing 31 includes front frame 311, backboard 312 and frame 313.The front frame 311st, backboard 312 and frame 313 can be integrally formed.The front frame 311, backboard 312 and frame 313 form the nothing The shell of line communicator 400.An opening (figure is not marked) is provided with the front frame 311, for housing the radio communication dress Put 400 display unit 401.It is appreciated that the display unit 401 has a display plane, the display plane is exposed to this Opening, and the display plane is arranged substantially in parallel with the backboard 312.

The backboard 312 is oppositely arranged with the front frame 311.The backboard 312 is directly connected to frame 313, the back of the body There is no space between plate 312 and frame 313.The backboard 312 is equivalent to the antenna structure 300 and the radio communication device 400 ground.

The frame 313 is located between the front frame 311 and the backboard 312, and respectively around the front frame 311 and The periphery of the backboard 312 is set, to surround an appearance jointly with the display unit 401, the front frame 311 and backboard 312 314 between being empty.The accommodation space 314 is first to house the electronics such as the circuit board of the radio communication device 400, processing unit Part or circuit module are in the inner.

The frame 313 comprises at least terminal part 315, the first sidepiece 316 and the second sidepiece 317.In the present embodiment, The terminal part 315 is the top of the radio communication device 400.The terminal part 315 connects the front frame 311 and the back of the body Plate 312.First sidepiece 316 is oppositely arranged with second sidepiece 317, and both are respectively arranged at the terminal part 315 Both ends, preferred vertical are set.First sidepiece 316 is also connected the front frame 311 and the backboard with second sidepiece 317 312。

Fluting 320 is further opened with the frame 313.The first gap 321, the second gap are offered in the front frame 311 322nd, the first breakpoint 323 and the second breakpoint 324.In the present embodiment, the fluting 320 is laid on the terminal part 315, And extend respectively to the sidepiece 317 of the first sidepiece 316 and second.It is appreciated that in other embodiments, the fluting 320 Also the terminal part 315 can be only arranged at, and does not extend to any one in the sidepiece 317 of the first sidepiece 316 and second, Or the fluting 320 is arranged at the terminal part 315, and only edge is extended in the sidepiece 317 of the first sidepiece 316 and second One of.

First gap 321, the second gap 322, the first breakpoint 323 and the second breakpoint 324 with it is described fluting 320 Connection, and extend to the cut-off front frame 311.In the present embodiment, first gap 321 is opened in the front frame 311, And connected with the first end D1 that the fluting 320 is laid in first sidepiece 316.Second gap 322 is opened in described In front frame 311, and connected with the second end D2 that the fluting 320 is laid in second sidepiece 317.First breakpoint 323 And second breakpoint 324 be arranged at intervals in the front frame 311 between the first end D1 and the second end D2, and opened with described Groove 320 connects.In this way, the 320, first gap 321 of the fluting, the second gap 322, the first breakpoint 323 and the second breakpoint 324 Jointly corresponding antenna segment E1 is at least separated out from the housing 31.Wherein, first gap 321 and first breakpoint The front frame 311 between 323 forms the antenna segment E1.It is appreciated that in the present embodiment, the seam of fluting 320, first In gap 321, the second gap 322, the first breakpoint 323 and the second breakpoint 324 filled with insulating materials (such as plastic cement, rubber, Glass, timber, ceramics etc., but do not limited with this As).

It is appreciated that in the present embodiment, the fluting 320 is opened in the frame 313 close to the one of the backboard 312 End, and the front frame 311 is extended to, to cause the antenna segment E1 to be made up of completely the part front frame 311.Certainly, at it In his embodiment, the fluting 320 opens up position and can be also adjusted according to real needs.For example, the fluting 320 opens up In the frame 313 close to one end of the backboard 312, and extend towards the place direction of front frame 311, to cause the antenna Section E1 is made up of the part front frame 311 and the part frame 313.

It is appreciated that the first half of the front frame 311 and frame 313 is except the 320, first gap 321, second of the fluting Fluting, broken string or the breakpoint that other insulate are not set again beyond gap 322, the first breakpoint 323 and the second breakpoint 324, because The first half of this front frame 311 just only has the first gap 321, the second gap 322, the first breakpoint 323 and the second breakpoint 324, without other breakpoints.

It is appreciated that in the present embodiment, the width substantially 3.43mm of the fluting 320.First breakpoint 323 and The width substantially 2mm of second breakpoint 324.The width substantially 3.43mm in the gap 322 of the first gap 321 and second.Institute State the distance between the first breakpoint 323 and the second breakpoint 324 substantially 11.1mm.

Also referring to Figure 29, the radio communication device 400 also includes an at least electronic component.In the present embodiment, The radio communication device 400 includes the first electronic component 402, the second electronic component 403, the electricity of the 3rd electronic component the 404, the 4th The electronic component 406 of subcomponent 405 and the 5th.First electronic component 402 is front camera module, and it is arranged at described Between first breakpoint 323 and first sidepiece 316.Second electronic component 403 is a loudspeaker module, and it is arranged at institute State between the first breakpoint 323 and the second breakpoint 324.3rd electronic component 404 and the 4th electronic component 405 are rearmounted take the photograph As head mould group, both are arranged at intervals between second electronic component 403 and second sidepiece 317.5th electronics Element 406 is a flash lamp.

The single sheet metal that the backboard 312 is formed in one, to appear double camera camera lens (i.e. the 3rd electronic component 404 And the 4th electronic component 405) with the element such as flash lamp (i.e. the 5th electronic component 406), the setting of backboard 312 through hole 407, 408、409.The backboard 312 does not set any fluting, broken string or disconnected for splitting the insulation of the backboard 312 thereon Point.

In the present embodiment, it is spaced between first irradiation unit 33, the second irradiation unit 34 and the 3rd irradiation unit 35 Set.First irradiation unit 33 includes the first linkage section J1, the first radiant section 331, the second radiant section 332, the 3rd radiant section 333rd, the 4th radiant section 334 and the 5th radiant section 335.The generally rectangular shaped strips of the first linkage section J1, its be arranged at In the perpendicular plane of the backboard 312, and between the electronic component 403 of the first electronic component 402 and second.It is described First linkage section J1 one end electrically connects with the signal feed-in source 36, for for the feed-in electric current of the first irradiation unit 33.Institute The first radiant section 331 is stated to be arranged in the plane parallel with the backboard 312.First radiant section 331 is substantially in triangle Shape, one summit are connected with end verticals of the first linkage section J1 away from the signal feed-in source 36.Second radiation The 332, the 3rd radiant section 333 of section, the 4th radiant section 334 and the 5th radiant section 335 with first radiant section 331 is coplanar sets Put.The rectangular strip of radiant section 333 of second radiant section 332 and the 3rd, both are respectively electrically connected to first radiation Two other summit of section 331, and respectively along the parallel terminal part 315 and towards the sidepiece 317 of the first sidepiece 316 and second Direction extension, and then form generally T-shaped structure with first radiant section 331.4th radiant section 334 is substantially in Rectangular strip, its one end vertical connection is to the described one end of 3rd radiant section 333 away from first radiant section 331, and along flat The direction of row first sidepiece 316 and the close terminal part 315 extends.335 generally rectangular shaped articles of 5th radiant section Shape, its one end vertical connection is to the described one end of 4th radiant section 334 away from the 3rd radiant section 333, and along parallel described The direction of terminal part 315 and close first sidepiece 316 extends.

Second irradiation unit 34 is arranged between the irradiation unit 35 of the first irradiation unit 33 and the 3rd, and including connecting successively The second linkage section J2 for connecing, the first radiation arm 341, the second radiation arm 342, the 3rd radiation arm 343, the 4th radiation arm 344 and 5th radiation arm 345.The second linkage section J2 is substantially in vertical bar shape, and it is arranged at the plane perpendicular with the backboard 312 It is interior.One end of the second linkage section J2 electrically connects with the backboard 312, that is, is grounded.First radiation arm 341 is substantially in square Shape strip, it is arranged in the plane parallel with the backboard 312.One end vertical connection of first radiation arm 341 is to institute Ends of the second linkage section J2 away from the backboard 312 is stated, and along parallel first sidepiece 316 and close to the terminal part 315 direction extension.Second radiation arm 342, the 3rd radiation arm 343, the 4th radiation arm 344 and the 5th radiation arm 345 With the 341 coplanar setting of the first radiation arm.Second radiation arm, the 342 generally rectangular shaped strip, its one end vertical connection To the one end of first radiation arm 341 away from the second linkage section J2, and along the parallel terminal part 315 and close to described The direction extension of second sidepiece 317.3rd radiation arm, the 343 generally rectangular shaped strip, its one end vertical connection to described The one end of two radiation arms 342 away from first radiation arm 341, and continue along parallel first radiation arm 341 and close to institute State the direction extension of terminal part 315.4th radiation arm, the 344 generally rectangular shaped strip, its one end vertical connection to described The one end of three radiation arms 343 away from the second radiation arm 342, and continue along parallel second radiation arm 342 and close to described the The direction extension of two sidepieces 317.5th radiation arm, 345 generally rectangular shaped strip, its one end vertical connection to the described 4th radiation The one end of arm 344 away from the 3rd radiation arm 343, and continue along parallel 3rd radiation arm 343 and close to the terminal part 315 Direction extension, until electrically connected with the antenna segment E1 close to the part of first breakpoint 323.

Referring to Figure 27 and Figure 30, the 3rd irradiation unit 35 is arranged at second irradiation unit 34 and described first Between sidepiece 316.3rd irradiation unit 35 includes the 3rd linkage section J3, the first resonant section 351, the second resonant section the 352, the 3rd Resonant section 353, the 4th resonant section 354 and the 5th resonant section 355.The 3rd linkage section J3 is substantially in vertical bar shape, and it is set In in the plane perpendicular with the backboard 312.The 3rd linkage section J3 is arranged at the second linkage section J2 and described the Between one sidepiece 316.One end of the 3rd linkage section J3 electrically connects with the backboard 312, that is, is grounded.First resonant section 351 generally rectangular shaped strips, it is arranged in the plane parallel with the backboard 312.Described one end of first resonant section 351 with End electrical connections of the 3rd linkage section J3 away from the backboard 312, and along parallel first sidepiece 316 and close to described The direction extension of terminal part 315.Second resonant section 352, the 3rd resonant section 353, the 4th resonant section 354 and the 5th resonance Section 355 with the 351 coplanar setting of the first resonant section.Second resonant section, the 352 generally rectangular shaped strip, its one end are vertical It is connected to end of first resonant section 351 away from the 3rd linkage section J3, and along the parallel terminal part 315 and close The direction extension of second sidepiece 317.3rd resonant section 353 is roughly triangular, and it is connected to first resonance The junction of the resonant section 352 of section 351 and second, and extend along close to the direction of first sidepiece 316.4th resonant section 354 generally rectangular shaped strips, its one end vertical connection to the end of the 3rd resonant section 353 away from second resonant section 352 Portion, and extend along the direction of parallel first resonant section 351 and the remote terminal part 315.5th resonant section 355 is big Cause rectangular strip, its one end vertical connection to the end of the 4th resonant section 354 away from the 3rd resonant section 353, and Extend along the parallel terminal part 315 and close to the direction of second sidepiece 317, and cross the second linkage section J2 and the Three linkage section J3 are simultaneously arranged at intervals with first electronic component 402.

It is appreciated that also referring to Figure 31 and Figure 33, in the present embodiment, the antenna segment E1, the first irradiation unit 33, Second irradiation unit 34 and the 3rd irradiation unit 35 collectively form antenna ANT3, for exciting resonance mode to produce default frequency range Radiation signal.In the present embodiment, the resonance mode is the basic, normal, high frequency mode of a LTE-A.The default frequency range includes 734- 960MHz frequency ranges and 1805-2690MHz frequency ranges.Specifically, Figure 31 is referred to, when electric current enters from the signal feed-in source 36 Afterwards, electric current will flow through first irradiation unit 33, and be coupled to second irradiation unit 34 by first irradiation unit 33.Coupling The second linkage section J2 directly by second irradiation unit 34 is grounded by the one part of current for being bonded to second irradiation unit 34. Another part electric current flows directly into the antenna segment E1 by second irradiation unit 34 again.Flow into the electricity of the antenna segment E1 Stream can be re-coupled to second irradiation unit 34, to be grounded by the second linkage section J2 of second irradiation unit 34, and then So that second irradiation unit 34 inspires resonant frequency f in a manner of four/wavelength₀=920MHz low frequency band, i.e. 734- 960MHz frequency ranges (please join path I1).Meanwhile the f_oFrequency multiplication will also inspire f₁=2620MHz high-frequency band, i.e., 2500-2690MHz frequency ranges.

Also referring to Figure 32, after electric current enters from the signal feed-in source 36, electric current will flow through first radiation Portion 33, and second irradiation unit 34 is coupled to by first irradiation unit 33, it is then straight by second irradiation unit 34 Connect and flow into the antenna segment E1, then the 3rd irradiation unit 35 is coupled to by the antenna segment E1, finally by the described 3rd The 3rd linkage section J3 and backboard 312 of irradiation unit 35 are grounded, to cause the 3rd irradiation unit 35 to swash in a manner of four/wavelength Send f₂=1940MHz intermediate-frequency band, i.e. 1805-2300MHz frequency ranges (please join path I2).

Obviously, can be seen that from Figure 31 and Figure 32, in the present embodiment, second irradiation unit 34 is extending the antenna Section E1 length, the 3rd irradiation unit 35 through two secondary couplings increasing the frequency range characteristic of the antenna ANT3.

It is appreciated that also referring to Figure 33, in the present embodiment, the antenna ANT3 forms three-port network.It is described Three ports include the first linkage section J1, the second linkage section J2 and the 3rd linkage section J3, and corresponding by being set at each port Matching element, to form corresponding match circuit 37, and then effectively adjust and optimize the resonance band of the antenna ANT3.Tool Body, in one of the embodiments, the match circuit 37 include the first matching element 371, the second matching element 372 and 3rd matching element 373.One end of first matching element 371 is electrically connected to the first linkage section J1 and presented with the signal Between entering source 36, the other end is electrically connected to the backboard 312, that is, is grounded.One end of second matching element 372 is electrically connected to The second linkage section J2, the other end are electrically connected to the backboard 312, that is, are grounded.One end electricity of 3rd matching element 373 The 3rd linkage section J3 is connected to, the other end is electrically connected to the backboard 312, that is, is grounded.In the present embodiment, described first The matching element 373 of matching element 371 and the 3rd is inductance.Second matching element 372 is an adjustable inductance, can be Switch between multiple default inductance values.In this way, by setting adjustable second matching element 372, to cause described Switching circuit is also formed with circuit 37, and then effectively adjusts the low frequency modal and part high frequency mode of the antenna ANT3.Can be with Understand, in other embodiments, first matching element 371, the second matching element 372 and the 3rd matching element 373 are not Inductance described above and/or adjustable inductance are confined to, it can also be other matching elements, switching device or its combination. Such as first matching element 371, the second matching element 372 and the 3rd matching element 373 wherein one or more can be with It is the switching device switched between multiple default impedance values.

Figure 34 is the day knot when first matching element 371 is an inductance, and is arranged to different inductance values S parameter (scattering parameter) curve map of structure 300.Wherein, curve S341 is when first matching element 371 is that an inductance value is The S11 values of the antenna structure 300 during 10nH inductance.Curve S342 is when first matching element 371 is an inductance value For 5nH inductance when the antenna structure 300 S11 values.Curve S343 is when first matching element 371 is an inductance value For 25nH inductance when the antenna structure 300 S11 values.Curve S344 is when first matching element 371 open circuit when institute State the S11 values of antenna structure 300.

Figure 35 is the day knot when second matching element 372 is an inductance, and is arranged to different inductance values S parameter (scattering parameter) curve map of structure 300.Wherein, curve S351 for when second matching element 372 be 0 ohm when institute State the S11 values of antenna structure 300.Curve S352 is when second matching element 372 is the inductance when institute that an inductance value is 3nH State the S11 values of antenna structure 300.Curve S353 is when second matching element 372 is the inductance when institute that an inductance value is 5nH State the S11 values of antenna structure 300.Curve S354 is when second matching element 372 is the inductance that an inductance value is 15nH The S11 values of the antenna structure 300.Curve S355 is when second matching element 372 is the inductance that an inductance value is 30nH The S11 values of Shi Suoshu antenna structures 300.

Figure 36 is the day knot when the 3rd matching element 373 is an inductance, and is arranged to different inductance values S parameter (scattering parameter) curve map of structure 300.Wherein, curve S361 is when the 3rd matching element 373 is that an inductance value is The S11 values of the antenna structure 300 during 2.1nH inductance.Curve S362 is when the 3rd matching element 373 is an inductance value For 1.5nH inductance when the antenna structure 300 S11 values.Curve S363 is when the 3rd matching element 373 is an inductance It is worth the S11 values of the antenna structure 300 during the inductance for 1.8nH.Curve S364 is when the 3rd matching element 373 is an electricity The S11 values of the antenna structure 300 when inductance value is 2.4nH inductance.Curve S365 is when the 3rd matching element 373 is one The S11 values of the antenna structure 300 when inductance value is 2.7nH inductance.

Obviously, it was found from Figure 34 to Figure 36, the 3rd matching element 373 is mainly used in adjusting described in the antenna structure 300 First high band of the whole resonance mode, i.e. 2300-2400MHz frequency ranges.First matching element 371 is mainly used in adjusting Second high band of the resonance mode, i.e. 2500-2690MHz frequency ranges.Second matching element 372 is mainly used in adjusting institute State the Frequency point of the second high band of low frequency modal and the resonance mode.

It is that inductance value is 10nH's for first matching element 371 described in the match circuit 37 also referring to table 3 Inductance, the 3rd matching element 373 are the inductance that inductance value is 2.1nH, and second matching element 372 is different inductance When, the working frequency range of the antenna structure 300.

Figure 37 is S parameter (scattering parameter) curve map when antenna structure 300 works in low frequency modal.Wherein, it is bent Line S371 is that the antenna structure 300 works in 704-746MHz frequency ranges and 746-787MHz frequency ranges (LTE-A band17/13) When S11 values.Curve S372 is the S11 values when antenna structure 300 works in 824-894MHz (LTE-A band5).It is bent Line S373 is the S11 values when antenna structure 300 works in 880-960MHz (LTE-A band8).

Figure 38 is S parameter (scattering parameter) curve map when antenna structure 300 works in medium, high frequency mode.Wherein, Curve S381 is the S11 values when antenna structure 300 works in intermediate frequency mode (1805-1910MHz).Curve S382 is described Antenna structure 300 works in S11 values during 2300-2400MHz (LTE-A band40).Curve S383 is the antenna structure 300 work in S11 values during 2500-2690MHz (LTE-A band7).

Figure 39 is the radiation efficiency curve figure when antenna structure 300 works in low frequency modal.Wherein, curve S391 is The antenna structure 300 works in radiation when 704-746MHz frequency ranges and 746-787MHz frequency ranges (LTE-A band17/13) Efficiency.Curve S392 is the radiation efficiency when antenna structure 300 works in 824-894MHz (LTE-A band5).Curve S393 is the radiation efficiency when antenna structure 300 works in 880-960MHz (LTE-A band8).

Figure 40 is the global radiation efficiency curve diagram when antenna structure 300 works in low frequency modal.Wherein, curve S401 It is total when working in 704-746MHz frequency ranges and 746-787MHz frequency ranges (LTE-A band17/13) for the antenna structure 300 Radiation efficiency.Curve S402 is the global radiation effect when antenna structure 300 works in 824-894MHz (LTE-A band5) Rate.Curve S403 is the global radiation efficiency when antenna structure 300 works in 880-960MHz (LTE-A band8).

Figure 41 is the radiation efficiency curve figure when antenna structure 300 works in medium, high frequency mode.Wherein, curve S411 is the radiation efficiency when antenna structure 300 works in intermediate frequency mode (1805-2300MHz).Curve S412 is described Antenna structure 300 works in radiation efficiency during 2300-2400MHz (LTE-A band40).Curve S413 is the day knot Structure 300 works in radiation efficiency during 2500-2690MHz (LTE-A band7).

Figure 42 is the global radiation efficiency curve diagram when antenna structure 300 works in medium, high frequency mode.Wherein, curve S421 is the global radiation efficiency when antenna structure 300 works in intermediate frequency mode (1805-2300MHz).Curve S422 is institute State global radiation efficiency when antenna structure 300 works in 2300-2400MHz (LTE-A band40).Curve S423 is the day Cable architecture 300 works in global radiation efficiency during 2500-2690MHz (LTE-A band7).

Obviously, by Figure 37 to Figure 42 it is recognized that while the low frequency of the antenna structure 300 can be covered to 734-960MHz, and Its global radiation efficiency is more than -7dB.The medium, high frequency of the antenna structure 300 can be covered to 1805-2690MHz, and its global radiation Efficiency is more than -5dB, meets Antenna Operation design requirement, and have preferable radiation efficiency.

It is appreciated that also referring to Figure 43 a to Figure 43 h, in other embodiments, first irradiation unit 33, second The irradiation unit 35 of irradiation unit 34 and the 3rd is also not limited to configuration described above, and it can also use other configurations, it is only necessary to ensure It is intervally installed between three irradiation units, one of irradiation unit is electrically connected to the antenna segment E1, two other irradiation unit It is arranged at intervals with the antenna segment E1.In addition, one of irradiation unit and the signal feed-in source 36 in three irradiation units Electrical connection, two other irradiation unit are grounded.Electric current from the signal feed-in source 36 flow directly into three irradiation units with it is described The irradiation unit of the electrical connection of signal feed-in source 36 is simultaneously coupled to two other irradiation unit.The electric current flows directly into the antenna segment E1 Or coupled to the antenna segment E1.

For example, also referring to Figure 43 a, in one of the embodiments, first irradiation unit 33, the second irradiation unit 34 And the 3rd irradiation unit 35 be intervally installed.Wherein, first irradiation unit 33 is electrically connected to the signal feed-in source 36, and It is arranged at intervals with the antenna segment E1.Second irradiation unit 34 is arranged at intervals with the antenna segment E1, and is electrically connected to described Backboard 312, that is, be grounded.3rd irradiation unit 35 is arranged at intervals with the antenna segment E1, and is electrically connected to the backboard 312, It is grounded.

Also referring to Figure 43 b, in one of the embodiments, first irradiation unit 33 is respectively electrically connected to the day Line segment E1 and the signal feed-in source 36.Second irradiation unit 34 is arranged at intervals with the antenna segment E1, and is electrically connected to institute Backboard 312 is stated, that is, is grounded.3rd irradiation unit 35 is arranged at intervals with the antenna segment E1, and is electrically connected to the backboard 312, that is, it is grounded.

Also referring to Figure 43 c, in one of the embodiments, first irradiation unit 33 is electrically connected to an antenna Section E1, the other end are electrically connected to the backboard 312, that is, are grounded.Second irradiation unit 34 is arranged at intervals with the antenna segment E1, And it is electrically connected to the signal feed-in source 36.3rd irradiation unit 35 is arranged at intervals with the antenna segment E1, and is electrically connected to The backboard 312, that is, be grounded.

Also referring to Figure 43 d, in one of the embodiments, first irradiation unit 33 and the antenna segment E1 intervals Set, and be electrically connected to the backboard 312, that is, be grounded.Second irradiation unit 34 is arranged at intervals with the antenna segment E1, and electricity It is connected to the signal feed-in source 36.3rd irradiation unit 35 is electrically connected to the antenna segment E1, and is electrically connected to the back of the body Plate 312, that is, be grounded.

Also referring to Figure 43 e, in one of the embodiments, first irradiation unit 33 and the antenna segment E1 intervals Set, and be electrically connected to the backboard 312, that is, be grounded.Second irradiation unit 34 is electrically connected to the antenna segment E1, and is electrically connected It is connected to the signal feed-in source 36.3rd irradiation unit 35 is arranged at intervals with the antenna segment E1, and is electrically connected to the back of the body Plate 312, that is, be grounded.

Also referring to Figure 43 f, in one of the embodiments, first irradiation unit 33 and the antenna segment E1 intervals Set, and be electrically connected to the backboard 312, that is, be grounded.Second irradiation unit 34 is electrically connected to the antenna segment E1, and is electrically connected The backboard 312 is connected to, that is, is grounded.3rd irradiation unit 35 is arranged at intervals with the antenna segment E1, and is electrically connected to described Signal feed-in source 36.

Also referring to Figure 43 g, in one of the embodiments, first irradiation unit 33 is electrically connected to the antenna segment E1, the other end are electrically connected to the backboard 312, that is, are grounded.Second irradiation unit 34 is arranged at intervals with the antenna segment E1, and The backboard 312 is electrically connected to, that is, is grounded.3rd irradiation unit 35 is arranged at intervals with the antenna segment E1, and is electrically connected to The signal feed-in source 36.

Also referring to Figure 43 h, in one of the embodiments, first irradiation unit 33 and the antenna segment E1 intervals Set, and be electrically connected to the backboard 312, that is, be grounded.Second irradiation unit 34 is arranged at intervals with the antenna segment E1, and electricity The backboard 312 is connected to, that is, is grounded.3rd irradiation unit 35 electrically connects with the antenna segment E1, and is electrically connected to described Signal feed-in source 36.

It is appreciated that in the above-described embodiments, the backboard 312 can be used as the antenna structure 300 and the channel radio The ground of T unit 400.In another embodiment, it can be set and be used for towards the side of backboard 312 in the display unit 401 Shield the radome (shielding mask) of electromagnetic interference or the center of the support display unit 401.The radome or Center is made with metal material.The radome or center can be connected to be used as the antenna structure with the backboard 312 300 and the ground of the radio communication device 400.It is grounded in above-mentioned everywhere, the radome or center can substitute described Backboard 312 is grounded for the antenna structure 300 or the radio communication device 400.In another embodiment, the channel radio Ground plane can be set in the main circuit board of T unit 400, is grounded in above-mentioned everywhere, and the ground plane can substitute the backboard 312 are grounded for the antenna structure 300 or the radio communication device 400.The ground plane can with the radome, in Frame or the backboard 312 are connected.

As previously described, the antenna structure 300 is by setting the 320, first gap 321 of the fluting, the second gap 322nd, the first breakpoint 323 and the second breakpoint 324, at least to mark off antenna segment E1 from the front frame 311.The antenna structure 300 are additionally provided with the first irradiation unit 33, the second irradiation unit 34, the 3rd irradiation unit 35 and signal feed-in source 36, and then cause institute State the first irradiation unit 33, the second irradiation unit 34 and the 3rd irradiation unit 35 and antenna segment E1 and form antenna ANT3, to produce The radiation signal of the basic, normal, high sections again and again of LTE-A.Therefore Long Term Evolution upgrade version can be used in radio communication device 400 (LTE-Advanced) carrier aggregation (CA, Carrier Aggregation) technology is with the antenna ANT3 simultaneously multiple Different frequency range receives or sent wireless signal to increase transmitting bandwidth.

In addition, the antenna structure 300 is by setting the housing 31, and fluting 320 on the housing 31, the first gap 321st, the second gap 322, the first breakpoint 323 and the second breakpoint 324 may be contained within the front frame 311 and frame 313, not set It is placed on the backboard 312 so that the backboard 312 forms all-metal construction, i.e., what is do not insulated on described backboard 312 opens Groove, broken string or breakpoint so that the backboard 312 can avoid due to slot, break or the setting of breakpoint and influence the complete of backboard 312 Whole property and aesthetic property.

Embodiment 4

Figure 44 is referred to, the 4th better embodiment of the invention provides a kind of antenna structure 500, and it can be applied to mobile electricity In the radio communication devices such as words, personal digital assistant 600, to launch, receive radio wave to transmit, exchange wireless signal.

Also referring to Figure 45, the antenna structure 500 includes housing 51, the first resonance part 53, the second resonance part 54, prolonged Extending portion 55 and signal feed-in source 56.The housing 51 can be the shell of the radio communication device 600.In the present embodiment In, the housing 51 is made up of metal material.The housing 51 includes front frame 511, backboard 512 and frame 513.The front frame 511st, backboard 512 and frame 513 can be integrally formed.The front frame 511, backboard 512 and frame 513 form the nothing The shell of line communicator 600.An opening (figure is not marked) is provided with the front frame 511, for housing the radio communication dress Put 600 display unit 601.It is appreciated that the display unit 601 has a display plane, the display plane is exposed to this Opening, and the display plane is arranged substantially in parallel with the backboard 512.

The backboard 512 is oppositely arranged with the front frame 511.The backboard 512 is directly connected to frame 513, the back of the body There is no space between plate 512 and frame 513.The backboard 512 is equivalent to the antenna structure 500 and the radio communication device 600 ground.

The frame 513 is located between the front frame 511 and the backboard 512, and respectively around the front frame 511 and The periphery of the backboard 512 is set, to surround an appearance jointly with the display unit 601, the front frame 511 and backboard 512 514 between being empty.The accommodation space 514 is first to house the electronics such as the circuit board of the radio communication device 600, processing unit Part or circuit module are in the inner.

The frame 513 comprises at least terminal part 515, the first sidepiece 516 and the second sidepiece 517.In the present embodiment, The terminal part 515 is the top of the radio communication device 600.The terminal part 515 connects the front frame 511 and the back of the body Plate 512.First sidepiece 516 is oppositely arranged with second sidepiece 517, and both are respectively arranged at the terminal part 515 Both ends, preferred vertical are set.First sidepiece 516 is also connected the front frame 511 and the backboard with second sidepiece 517 512。

Fluting 520 is further opened with the frame 513.The first gap 521, the second gap are offered in the front frame 511 522nd, the first breakpoint 523 and the second breakpoint 524.In the present embodiment, the fluting 520 is laid on the terminal part 515, And extend respectively to the sidepiece 517 of the first sidepiece 516 and second.It is appreciated that in other embodiments, the fluting 520 Also the terminal part 515 can be only arranged at, and does not extend to any one in the sidepiece 517 of the first sidepiece 516 and second, Or the fluting 520 is arranged at the terminal part 515, and only edge is extended in the sidepiece 517 of the first sidepiece 516 and second One of.

First gap 521, the second gap 522, the first breakpoint 523 and the second breakpoint 524 with it is described fluting 520 Connection, and extend to the cut-off front frame 511.In the present embodiment, first gap 521 is opened in the front frame 511, And connected with the first end H1 that the fluting 520 is laid in first sidepiece 516.Second gap 522 is opened in described In front frame 511, and connected with the second end H2 that the fluting 520 is laid in second sidepiece 517.First breakpoint 523 And second breakpoint 524 be arranged at intervals in the front frame 511 between the first end H1 and the second end H2, and opened with described Groove 520 connects.In this way, the 520, first gap 521 of the fluting, the second gap 522, the first breakpoint 523 and the second breakpoint 524 Jointly corresponding antenna segment K1 is separated out from the housing 51.Wherein, first gap 521 and first breakpoint 523 it Between the front frame 511 form the antenna segment K1.It is appreciated that in the present embodiment, the 520, first gap of the fluting 521st, filled with insulating materials (such as plastic cement, rubber, glass in the second gap 522, the first breakpoint 523 and the second breakpoint 524 Glass, timber, ceramics etc., but do not limited with this As).

It is appreciated that in the present embodiment, the fluting 520 is opened in the frame 513 close to the one of the backboard 512 End, and the front frame 511 is extended to, to cause the antenna segment K1 to be made up of completely the part front frame 511.Certainly, at it In his embodiment, the fluting 520 opens up position and can be also adjusted according to real needs.For example, the fluting 520 opens up In the frame 513 close to one end of the backboard 512, and extend towards the place direction of front frame 511, to cause the antenna Section K1 is made up of the part front frame 511 and the part frame 513.

It is appreciated that the first half of the front frame 511 and frame 513 is except the 520, first gap 521, second of the fluting Fluting, broken string or the breakpoint that other insulate are not set again beyond gap 522, the first breakpoint 523 and the second breakpoint 524, because The first half of this front frame 511 just only has the first gap 521, the second gap 522, the first breakpoint 523 and the second breakpoint 524, without other breakpoints.

It is appreciated that in the present embodiment, the width substantially 3.43mm of the fluting 520.First breakpoint 523 and The width substantially 2mm of second breakpoint 524.The width substantially 3.43mm in the gap 522 of the first gap 521 and second.

Also referring to Figure 46, the radio communication device 600 also includes an at least electronic component.In the present embodiment, The radio communication device 600 includes the first electronic component 602, the second electronic component 603, the electricity of the 3rd electronic component the 604, the 4th The electronic component 606 of subcomponent 605 and the 5th.First electronic component 602 is front camera module, and it is arranged at described Between second breakpoint 524 and second sidepiece 517.Second electronic component 603 is a loudspeaker module, and it is arranged at institute State between the first breakpoint 523 and the second breakpoint 524.3rd electronic component 604 and the 4th electronic component 605 are rearmounted Camera module, both are arranged at intervals between second electronic component 603 and first sidepiece 516.5th electricity Subcomponent 606 is a flash lamp.

The single sheet metal that the backboard 512 is formed in one, to appear double camera camera lens (i.e. the 3rd electronic component 604 And the 4th electronic component 605) with the element such as flash lamp (i.e. the 5th electronic component 606), the setting of backboard 512 through hole 607, 608、609.The backboard 512 does not set any fluting, broken string or disconnected for splitting the insulation of the backboard 512 thereon Point.

It is appreciated that Figure 45 and Figure 47 is referred to, in the present embodiment, because the fluting 520 is opened in the end Portion 515, and extend to the sidepiece 517 of the first sidepiece 516 and second.The antenna segment K1 includes orthogonal first paragraph K11 and second segment K12, and the first paragraph K11 and second segment K12 forms a bent angle in its junction.First resonance part 53rd, the second resonance part 54, extension 55 and signal feed-in source 56, which are entirely located in, starts from the first paragraph K11 and second segment K12 simultaneously ends in the receiving space 525 of first gap 521 and first breakpoint 523.

In the present embodiment, the first resonance part 53, the second resonance part 54 and extension 55 are intervally installed.Described One resonance part 53 includes the first linking arm Q1, the first resonance paragraph 531 and the second resonance paragraph 532.The first linking arm Q1 is big Rectangular strip is caused, it is located in the plane perpendicular with the backboard 512, and is electrically connected with the signal feed-in source 56, uses Think the feed-in electric current of the first resonance part 53.First resonance paragraph, the 531 generally rectangular shaped strip, it is located at and the backboard In 512 parallel planes.One end vertical connection of first resonance paragraph 531 is to the first linking arm Q1 away from the letter The one end in number feed-in source 56, and extend along parallel first sidepiece 516 and close to the direction of the terminal part 515, until with The first paragraph K11 electrical connections.Second resonance paragraph 532 and the 531 coplanar setting of the first resonance paragraph.Second resonance 532 roughly triangular, its one end vertical connections to side of first resonance paragraph 531 away from first sidepiece 516 of section, And extend along close to the direction of second sidepiece 517.

Second resonance part 54 raises one's arm 541 together including the second linking arm Q2.The second linking arm Q2 be arranged at In the perpendicular plane of the backboard 512.The generally rectangular shaped strips of the second linking arm Q2, and be electrically connected with the backboard 512 Connect, that is, be grounded.The resonance arm 541 is substantially in vertical bar shape, and it is arranged in the plane parallel with the backboard 512.It is described One end of resonance arm 541 electrically connects with the one end of the second linking arm Q2 away from the backboard 512, and along the parallel end Portion 515 and the direction extension of close first sidepiece 516, until with the second segment K12 close to first gap 521 Side vertical connection.

In the present embodiment, the extension 55 is an arcuation lamellar body, and it is attached at the insulating materials of the fluting 520 On.Specifically, the extension 55 includes the first extension 551 and the second extension 552.First extension 551 and institute State the second extension 552 to be mutually perpendicular to, and a bent angle is formed in both junctions.First extension 551 is attached at institute Fluting 520 is stated on the insulating materials of the terminal part 515, and is electrically connected with the first paragraph K11.Second extension 552 be attached at it is described fluting 520 positioned at first sidepiece 516 insulating materials on, and first extension 551 with it is described The bent angle of second extension 552 is attached at the corner of the first sidepiece 516 and the terminal part 515 in the fluting 520.Separately Outside, in the present embodiment, first extension 551 is extended between first resonance part 53 and the backboard 512, described Second extension 552 is extended between second resonance part 54 and the backboard 512.

It is appreciated that in other embodiments, the extension 55 can not also be attached at the insulating materials of the fluting 520 On.Specifically, the extension 55 can with it is described fluting 520 spaced and parallel settings, and the extension 55 formed bent angle With the spaced and parallel setting of bent angle of the antenna segment K1.In this way, the antenna segment K1 will be located at the first plane, the extension 55 Positioned at the second plane, the backboard 512 is located at the 3rd plane.First plane, the second plane, the 3rd plane it is different and It is parallel to each other.Second plane is between first plane and the 3rd plane.

Also referring to Figure 48 and Figure 49, it will be understood that in the present embodiment, the antenna segment K1, the first resonance part 53, Second resonance part 54 and extension 55 collectively form antenna ANT4, for exciting resonance mode to produce the radiation of default frequency range Signal.In the present embodiment, the resonance mode includes GPS mode and WIFI 2.4G/5G mode.Specifically, also referring to figure 48, after electric current enters from the signal feed-in source 56, electric current will flow through first resonance part 53, and common by described first The portion 53 that shakes flows directly into the antenna segment K1, then flows into second resonance part 54, is connect finally by second resonance part 54 Ground, to cause the signal feed-in source 56, the first resonance part 53, antenna segment K1 and the second resonance part 54 to be collectively forming primary Ioops Antenna, and cause the loop antenna to inspire resonant frequency f in a manner of half wavelength₀=1575MHz frequency range, i.e., GPS frequency ranges (please join path X1).

After electric current enters from the signal feed-in source 56, electric current will flow through first resonance part 53, and by described First resonance part 53 flows directly into the antenna segment K1, then flows into the extension 55, to cause the signal feed-in source 56, One resonance part 53, antenna segment K1 and the extension 55 are collectively forming a unipole antenna, and cause the unipole antenna with four / mono- wavelength mode inspires resonant frequency f₁=2400MHz frequency range, i.e. WIFI 2.4G frequency ranges (please join path X2).Separately Outside, the resonant frequency f₁Frequency multiplication will also inspire resonant frequency f₂=5400MHz frequency range, i.e. WIFI 5G frequency ranges.

It is appreciated that referring to Figure 49, in the present embodiment, the antenna ANT4 forms two-port network.It is described Two-port netwerk includes the first linking arm Q1 and the second linking arm Q2, and by setting corresponding matching element at each port, with Corresponding match circuit 57 is formed, and then effectively adjusts and optimize the resonance band of the antenna ANT4.Specifically, wherein one In individual embodiment, the match circuit 57 includes the first matching element 571, the second matching element 572 and the 3rd matching element 573.One end of first matching element 571 is electrically connected between the first linking arm Q1 and the signal feed-in source 56, The other end is electrically connected to the backboard 512, that is, is grounded.One end of second matching element 572 is electrically connected to described first With between element 571 and the first linking arm Q1, the other end is electrically connected to the backboard 512, that is, is grounded.3rd matching One end of element 573 is electrically connected to the second linking arm Q2, and the other end is electrically connected to the backboard 512, that is, is grounded.In this reality Apply in example, first matching element 571 is an inductance, and the matching element 573 of the second matching element 572 and the 3rd is Electric capacity.It is appreciated that in other embodiments, first matching element 571, the second matching element 572 and the 3rd matching Element 573 is not limited to inductance and/or electric capacity described above, and it can also be other matching elements or its combination.

Figure 50 is S parameter (scattering parameter) curve of the antenna structure 500 when the extension 55 is different length Figure.Wherein, curve S501 is the S11 values of the antenna structure 500 when the extension 55 is default-length.Curve S502 is The S11 values of the antenna structure 500 when the extension 55 is increasing 2mm on the basis of default-length.Curve S503 is to work as The S11 values of the extension 55 antenna structure 500 when reducing 2mm on the basis of default-length.Obviously, from curve S501-S503 can be seen that, when changing the length of the extension 55, can effectively change the antenna structure 500 in The Frequency point of WIFI2.4G/5G mode, and it is little to the Frequency point bias effect of GPS mode.

Figure 51 is the day knot when second matching element 572 is an electric capacity, and is arranged to different capacitances S parameter (scattering parameter) curve map of structure 500.Wherein, curve S511 is when second matching element 572 is that a capacitance is The S11 values of the antenna structure 500 during 0.25pF electric capacity.Curve S512 is when second matching element 572 is an electric capacity It is worth the S11 values of the antenna structure 500 during the electric capacity for 0.5pF.Curve S513 is when second matching element 572 is an electricity The S11 values of the antenna structure 500 when capacitance is 1pF electric capacity.Curve S514 is when second matching element 572 is opened a way The S11 values of the antenna structure 500.Obviously, can be seen that from curve S511-S514, second matching element 572 is mainly used in Adjust frequency range and impedance matching of the antenna structure 500 in WIFI2.4G/5G mode.

Figure 52 is the day knot when the 3rd matching element 573 is an electric capacity, and is arranged to different capacitances S parameter (scattering parameter) curve map of structure 500.Wherein, curve S521 is when the 3rd matching element 573 is that a capacitance is The S11 values of the antenna structure 500 during 3pF electric capacity.Curve S522 is when the 3rd matching element 573 is that a capacitance is The S11 values of the antenna structure 500 during 2pF electric capacity.Curve S523 is when the 3rd matching element 573 is that a capacitance is The S11 values of the antenna structure 500 during 4pF electric capacity.Curve S524 is when the 3rd matching element 573 is that a capacitance is The S11 values of the antenna structure 500 during 5pF electric capacity.Obviously, can be seen that from curve S521-S524, the 3rd matching element 573 are mainly used in adjusting frequency range and impedance matching of the antenna structure 500 in GPS mode.

Figure 53 be first matching element 571 described in the match circuit 57 be inductance value be 10nH inductance, second Matching element 372 be capacitance be 0.25pF electric capacity, the 3rd matching element 573 is when being the electric capacity that capacitance is 3pF, the day S parameter (scattering parameter) curve map of cable architecture 500.Figure 54 is first matching element 571 described in the match circuit 57 The inductance for being 10nH for inductance value, the second matching element 372 be capacitance be 0.25pF electric capacity, the 3rd matching element 573 be When capacitance is 3pF electric capacity, the radiation efficiency curve figure of the antenna structure 500.Wherein, curve S541 is the day knot The radiation efficiency of structure 500.Curve S542 is the global radiation efficiency of the antenna structure 500.

Obviously, from Figure 53 and Figure 54, the antenna structure 500 is overall to can reach multiband aerial design, i.e. 1565- 1615MHz, 2400-2480MHz and 5180-5800MHz frequency range, cover to GPS frequency ranges, WIFI 2.4G/5G frequency ranges, and have Preferable radiation efficiency, meet Antenna Operation design requirement.

It is appreciated that also referring to Figure 55 a to Figure 55 f, in other embodiments, first resonance part 53, second Resonance part 54 and extension 55 are also not limited to configuration described above, and it can also use other configurations, it is only necessary to ensure described It is intervally installed between first resonance part 53, the second resonance part 54 and extension 55, and the first resonance part 53 and second is common Shake portion 54 one of them be electrically connected to the signal feed-in source 56, the first resonance part 53 connects with one of other in the second resonance part 54 Ground.For example, also referring to Figure 55 a, in other embodiments, the electrical connection of the extension 55 and the antenna segment K1 Point is not limited in the antenna segment K1 adjacent to the position of first breakpoint 523, and it can also be in the antenna segment K1 close to institute State the position or other optional positions in the first gap 521.

Also referring to Figure 55 b, it will be understood that in other embodiments, the extension 55 is T-type structure, and can be with Electrically connected in the optional position of the antenna segment K1 with the antenna segment K1.

Also referring to Figure 55 c, it will be understood that in other embodiments, the extension 55 includes multiple adjutages, example The adjutage 551,553 being such as electrically connected to each other.Extension 55 electrically connects with the antenna segment K1.

Also referring to Figure 55 d, it will be understood that in other embodiments, between the extension 55 and the antenna segment K1 Set every coupling, and be electrically connected to the backboard 512, that is, be grounded.

Also referring to Figure 55 e, it will be understood that in other embodiments, first resonance part 53 is common with described second The annexation that portion 54 is electrically connected to the signal feed-in source 56 and is grounded of shaking can exchange.For example, first resonance part 53 Electrically connect, that is, be grounded with the backboard 512.And second resonance part 54 is electrically connected to the signal feed-in source 56.

Also referring to Figure 55 f, it will be understood that in other embodiments, first resonance part 53 is not and the day Line segment K1 is electrically connected, but is spaced coupling and is set.In this way, after electric current enters from the signal feed-in source 56, electric current will flow into First resonance part 53, and the antenna segment K1 is coupled to by first resonance part 53.

It is appreciated that in the above-described embodiments, the backboard 512 can be used as the antenna structure 500 and the channel radio The ground of T unit 600.In another embodiment, it can be set and be used for towards the side of backboard 512 in the display unit 601 Shield the radome (shielding mask) of electromagnetic interference or the center of the support display unit 601.The radome or Center is made with metal material.The radome or center can be connected to be used as the antenna structure with the backboard 512 500 and the ground of the radio communication device 600.It is grounded in above-mentioned everywhere, the radome or center can substitute described Backboard 512 is grounded for the antenna structure 500 or the radio communication device 600.In another embodiment, the channel radio Ground plane can be set in the main circuit board of T unit 600, is grounded in above-mentioned everywhere, and the ground plane can substitute the backboard 512 are grounded for the antenna structure 500 or the radio communication device 600.The ground plane can with the radome, in Frame or the backboard 512 are connected.

As previously described, the antenna structure 500 is by setting the 520, first gap 521 of the fluting, the second gap 522nd, the first breakpoint 523 and the second breakpoint 524, at least to mark off antenna segment K1 from the front frame 511.The antenna structure 500 are additionally provided with the first resonance part 53, the second resonance part 54, extension 55 and signal feed-in source 56, and then cause described the One resonance part 53, the second resonance part 54 and extension 55 form antenna ANT4 with the antenna segment K1, to produce GPS, WIFI The radiation signal of 2.4G/5G frequency ranges.

In addition, the antenna structure 500 is by setting the housing 51, and fluting 520 on the housing 51, the first gap 521st, the second gap 522, the first breakpoint 523 and the second breakpoint 524 may be contained within the front frame 511 and frame 513, not set It is placed on the backboard 512 so that the backboard 512 forms all-metal construction, i.e., what is do not insulated on described backboard 512 opens Groove, broken string or breakpoint so that the backboard 512 can avoid due to slot, break or the setting of breakpoint and influence the complete of backboard 512 Whole property and aesthetic property.

The antenna structure 300,500 of the antenna structure 100 of the embodiment 1-2,100a and the embodiment 3-4 can be applied In same radio communication device.Such as the upper antenna using antenna structure 300 as the radio communication device, and by antenna structure Lower antennas of the 100 or 100a as the radio communication device.When the radio communication device sends wireless signal, the radio communication Device sends wireless signal using the lower antenna.When the radio communication device receives wireless signal, the radio communication device Using the upper antenna wireless signal is received together with lower antenna.The radio communication device can also include the antenna structure 500 to support more multiband, such as GPS and WIFI frequency ranges.

Embodiment of above is merely illustrative of the technical solution of the present invention and unrestricted, although the preferable embodiment party with reference to more than The present invention is described in detail formula, it will be understood by those within the art that, can be to technical scheme Modify or equivalent substitution should not all depart from the spirit and scope of technical solution of the present invention.Those skilled in the art can also be at this The design that other changes etc. are used in the present invention is done in spirit, without departing from the technique effect of the present invention.These The change done according to present invention spirit, it should all be included within scope of the present invention.

Claims

1. a kind of antenna structure, including housing, the first resonance part, the second resonance part, extension and signal feed-in source, the housing Including front frame, backboard and frame, the frame is located between the front frame and the backboard, is offered out on the frame Groove, gap and breakpoint are offered in the front frame, and the gap and breakpoint are connected and extended to described in cut-off with the fluting Front frame, fluting, the gap and the breakpoint mark off antenna segment from the housing jointly, and the antenna segment includes mutual Vertical first paragraph and second segment, first resonance part, the second resonance part and extension are intervally installed, and whole positions In starting from the first paragraph and second segment and end in the receiving space of the gap and the breakpoint, first resonance Portion is directly electrically coupled to the antenna segment or setting is coupled with the antenna segment interval, second resonance part and the antenna segment Electrical connection, the extension are directly electrically coupled to the antenna segment or setting are coupled with the antenna segment interval, and described first is common Shake one of portion and the second resonance part is electrically connected to the signal feed-in source, first resonance part and the second resonance part One of other ground connection.

2. antenna structure as claimed in claim 1, it is characterised in that：Filled out in the fluting, the gap and the breakpoint Filled with insulating materials.

3. antenna structure as claimed in claim 2, it is characterised in that：The extension includes the first extension and the second extension Section, first extension are mutually perpendicular to second extension, and form a bent angle, the extension in both junctions Portion is attached on the insulating materials of the fluting, and the bent angle of the extension is attached at the bent angle of the fluting.

4. antenna structure as claimed in claim 1, it is characterised in that：The extension includes the first extension and the second extension Section, first extension are mutually perpendicular to second extension, and first extension and the first paragraph are spaced and parallel Set, second extension and the spaced and parallel setting of the second segment.

5. antenna structure as claimed in claim 4, it is characterised in that：First extension and the second extension are in both Junction forms a bent angle, and the first paragraph forms a bent angle with the second segment in both junctions, the extension Bent angle and the spaced and parallel setting of bent angle of the antenna segment.

6. antenna structure as claimed in claim 1, it is characterised in that：The antenna segment is arranged at the first plane, the extension Portion is arranged at the second plane, and the backboard is arranged at the 3rd plane, and first plane, the second plane and the 3rd plane are mutual not Identical and parallel to each other, second plane is between first plane and the 3rd plane.

7. antenna structure as claimed in claim 1, it is characterised in that：A part for the extension is positioned at the described first resonance Between portion and the backboard, another part of the extension is between second resonance part and the backboard.

8. antenna structure as claimed in claim 1, it is characterised in that：The extension includes multiple adjutages, the extension Portion electrically connects with the antenna segment.

9. antenna structure as claimed in claim 1, it is characterised in that：The extension includes two adjutages, wherein one prolongs Semi-girder electrically connects with the antenna segment, and forms T-type structure with another adjutage.

10. antenna structure as claimed in claim 1, it is characterised in that：The extension is coupled with the antenna segment interval and set Put and be grounded.

11. antenna structure as claimed in claim 1, it is characterised in that：The frame comprise at least terminal part, the first sidepiece with And second sidepiece, first sidepiece are connected the both ends of the terminal part with second sidepiece respectively, the fluting is at least set It is placed in the terminal part, first resonance part includes the first linking arm, the first resonance paragraph and the second resonance paragraph, and described first Linking arm electrically connects with the signal feed-in source, and one end vertical connection of first resonance paragraph is remote to first linking arm The one end in the signal feed-in source, and along parallel first sidepiece and close to the terminal part direction extend, until with institute State first paragraph electrical connection, the second resonance paragraph one end vertical connection to one of first resonance paragraph away from first sidepiece Side, and extend along close to the direction of second sidepiece.

12. antenna structure as claimed in claim 11, it is characterised in that：Second resonance part includes the second linking arm together To raise one's arm, one end ground connection of second linking arm, one end of the resonance arm electrically connects with the other end of second linking arm, And extend along the parallel terminal part and close to the direction of first sidepiece, until with the second segment close to the gap Side vertical connection.

13. antenna structure as claimed in claim 12, it is characterised in that：The antenna segment, first resonance part, second are total to Shake portion and the extension collectively forms first antenna, the first antenna includes match circuit, and the match circuit is electrically connected First resonance part and second resonance part are connected to, and then adjusts and optimize the resonance band of the first antenna.

14. antenna structure as claimed in claim 13, it is characterised in that：The match circuit includes the first matching element, the Two matching elements and the 3rd matching element, one end of first matching element be electrically connected to first linking arm with it is described Between signal feed-in source, other end ground connection, one end of second matching element is electrically connected to first matching element and institute Between stating the first linking arm, other end ground connection, one end of the 3rd matching element is electrically connected to second linking arm, another End ground connection.

15. antenna structure as claimed in claim 12, it is characterised in that：After electric current enters from the signal feed-in source, electricity Stream flows through first resonance part, and flows directly into the antenna segment by first resonance part, then flows into described second and be total to Shake portion, finally by second resonance part be grounded, and then cause the signal feed-in source, the first resonance part, antenna segment and Second resonance part is collectively forming primary Ioops antenna, and causes the loop antenna to inspire the first frequency in a manner of half wavelength Section；After electric current enters from the signal feed-in source, electric current flows through first resonance part, and straight by first resonance part Connect and flow into the antenna segment, then the extension is flowed into by the antenna segment, to cause the signal feed-in source, the first resonance Portion, antenna segment and the extension are collectively forming a unipole antenna, and make it that the unipole antenna is rectangular with quarter-wave Formula inspires the second frequency range, while the frequency multiplication of second frequency range also inspires the 3rd frequency range, and the frequency of the 3rd frequency range is high In the frequency of second frequency range, the frequency of second frequency range is higher than the frequency of first frequency range.

16. antenna structure as claimed in claim 1, it is characterised in that：The single sheet metal that the backboard is formed in one, institute State backboard to be directly connected to frame, there is no space between the backboard and frame, it is any for dividing that setting is had no on the backboard Cut the fluting, broken string or breakpoint of the insulation of the backboard.

17. a kind of radio communication device, including the antenna structure as any one of claim 1-16.

18. radio communication device as claimed in claim 17, it is characterised in that：It is single that the radio communication device also includes display Member, the front frame, backboard and frame form the shell of the radio communication device, and the front frame is provided with opening and is used to house The display unit, the display unit have display plane, and the display plane is exposed to the opening, and the display plane and institute Backboard is stated to be arranged in parallel.

19. radio communication device as claimed in claim 17, it is characterised in that：The radio communication device also includes double shootings Head mould group and flash lamp, the promising through hole for appearing the dual camera module and flash lamp is set on the backboard.