CN104241844A - Antenna structure and wireless communication apparatus using the same - Google Patents
Antenna structure and wireless communication apparatus using the same Download PDFInfo
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- CN104241844A CN104241844A CN201310222956.1A CN201310222956A CN104241844A CN 104241844 A CN104241844 A CN 104241844A CN 201310222956 A CN201310222956 A CN 201310222956A CN 104241844 A CN104241844 A CN 104241844A
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Abstract
Provided in the invention is an antenna structure comprising a first antenna, a second antenna and a metal element. The second antenna includes a first portion, a second portion, and a third portion, wherein the three portions are successively connected; and the metal element includes a first metal frame. The first portion and the third portion of the second antenna are separated from the first antenna; the second portion and the third portion of the second antenna are arranged at an interval; and the first portion and the third portion of the second antenna are connected with the first metal frame. In addition, the invention also provides a wireless communication apparatus using the antenna structure. The metal element of the wireless communication apparatus is integrated as one part of the antenna structure, thereby avoiding a shielding effect on the antenna by a metal housing, reducing the antenna size and the occupied space, and lowering the cost. Meanwhile, the antenna structure also has another advantage: the antenna characteristic and the integrity of the overall product appearance design can be kept under the circumstances that the metal housing structure is not damaged.
Description
Technical field
The present invention relates to a radio communication device and antenna structure thereof, particularly relate to a kind of radio communication device and the antenna structure thereof with metal shell.
Background technology
Along with the upsurge of wireless communications products, each communication products design is towards frivolous trend development, and the requirement of consumer to product appearance is also more and more harsh.Because the radio communication device of metal shell has greater advantage in outward appearance, laser intensity and radiating effect etc., under the consideration of outward appearance and mechanism design, make the communication products of metal shell flourish.Antenna assembly is one of significant components in wireless communication, but metal shell easily causes screen effect to antenna, affects the characteristic of antenna, how under diversified metal appearance structure, to maintain antenna performance, is the important topic that Antenna Design faces.
Summary of the invention
In view of the above circumstances, be necessary to provide a kind of antenna structure avoiding metal shell screen effect.
Separately, there is a need to provide a kind of radio communication device applying described antenna structure.
A kind of antenna structure, it comprises the first antenna, the second antenna and metalwork, described second antenna comprises the Part I, Part II and the Part III that connect successively, described metalwork comprises the first metal edge frame, is connected to second metal edge frame at the first metal edge frame two ends and the 3rd metal edge frame, Part I and first antenna spacing of described second antenna are arranged, and described second antenna Part I and Part III are connected with the first metal edge frame respectively.
A kind of radio communication device, it comprises circuit board, metal shell and antenna structure, described circuit board is located in metal shell, described antenna structure is located on circuit board, described antenna structure comprises the first antenna, second antenna and metalwork, described second antenna comprises the Part I connected successively, Part II and Part III, described metalwork comprises the first metal edge frame, be connected to the second metal edge frame and the 3rd metal edge frame at the first metal edge frame two ends, Part I and first antenna spacing of described second antenna are arranged, described second antenna Part I and Part III are connected with the first metal edge frame respectively.
The metalwork of radio communication device is integrated into a part for antenna structure by the present invention, avoids the screen effect that metal shell causes antenna, reduces antenna size and takes up room, and reaches the effect reduced costs.Meanwhile, another advantage of this antenna structure is under the structure not destroying metal shell, can maintain antenna performance and the integrality keeping Total Product appearance design.
Accompanying drawing explanation
Fig. 1 is the stereogram with the radio communication device of antenna structure of first embodiment of the invention.
Fig. 2 is the stereogram of the radio communication device of second embodiment of the invention.
Fig. 3 is the stereogram of the radio communication device of third embodiment of the invention.
Fig. 4 is the return loss plot of the antenna structure shown in Fig. 1.
Fig. 5 is the radiation efficiency figure of the antenna structure shown in Fig. 1.
Main element symbol description
| Antenna structure | 100 |
| First antenna | 30 |
| First extension | 31 |
| Second extension | 33 |
| Adapter section | 320 |
| Second antenna | 50 |
| Part I | 51 |
| First lengthy motion picture | 510 |
| Second lengthy motion picture | 513 |
| Changeover portion | 515 |
| Part II | 53 |
| First extension | 531 |
| Second extension | 533 |
| First Extendible flake | 5331 |
| Second Extendible flake | 5333 |
| 3rd Extendible flake | 5335 |
| Part III | 55 |
| First lamellar body | 551 |
| Second lamellar body | 553 |
| 3rd lamellar body | 555 |
| 4th lamellar body | 557 |
| Bonding pad | 511 |
| Metalwork | 70 |
| First metal edge frame | 72 |
| Second metal edge frame | 74 |
| 3rd metal edge frame | 76 |
| First tie point | G1 |
| Second tie point | G2 |
| 3rd tie point | G3 |
| Radio communication device | 200 |
| Circuit board | 220 |
| Load point | 222 |
| Metal shell | 240 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 and Fig. 2, in first embodiment of the invention, provide a kind of antenna structure 100, it is applied to mobile phone, panel computer etc. has in the radio communication device 200 of metal shell.
This radio communication device 200 comprises circuit board 220 and a metal shell 240, this circuit board 220 is arranged a load point 222 and earth point (not shown), this load point 222 is for being antenna structure 100 feed-in electric current, this circuit board 220 is located in metal shell 240, this metal shell 240 realizes being electrically connected with the earth point of circuit board 220 by known mechanism's connected modes such as screw and circuit board 220 lock, thinks that antenna structure 100 provides system earth.
This antenna structure 100 comprises the first antenna 30, second antenna 50 and metalwork 70, this first antenna 30 with and the second antenna 50 be arranged on circuit board, this metalwork 70 and metal shell 240 are connected in the mode such as one-body molded.This first antenna 30 is electrically connected with the load point 222 on circuit board 220, and think antenna structure 100 feed-in current signal, this second antenna 50 and the first antenna 30 interval are arranged, and this second antenna 50 is electrically connected with metalwork 70.
This first antenna 30 comprises the first extension 31 and the second extension 33, and the load point 222 on one end of this first extension 31 and circuit board 220 is electrically connected, and the other end of this first extension 31 is coplanar with the second extension 33 and be vertically connected.
This second antenna 50 comprises Part I 51, Part II 53 and Part III 55.This Part I 51 comprises the first lengthy motion picture 510 and the second lengthy motion picture 513, this first lengthy motion picture 510 and the second extension 33 parallel interval are arranged, this first lengthy motion picture 510 is connected by a changeover portion 515 with the second lengthy motion picture 513, and this second lengthy motion picture 513 extends towards the direction parallel with the second extension 33.The plane at this second lengthy motion picture 513 place is mutually vertical with the plane at the first lengthy motion picture 510 place, and the end of this second lengthy motion picture 513 is connected with metalwork 70 by the mode that shell fragment or welding etc. are known.This Part II 53 comprises the first extension 531 and the second extension 533 connected successively.This first extension 531 is extended towards away from the direction of the first antenna 30 is straight by the first lengthy motion picture 510.This second extension 533 comprises the first Extendible flake 5331, second Extendible flake 5333 and the 3rd Extendible flake 5335 of coplanar setting, this first Extendible flake 5331 is coplanar with the first extension 531 and be vertically connected, this second Extendible flake 5333 is vertically connected between the first Extendible flake 5331 and the 3rd Extendible flake 5335, thus makes this first Extendible flake 5331, second Extendible flake 5333 and the 3rd Extendible flake 5335 roughly form one " U " shape structure.This Part III 55 comprises coplanar setting and the first lamellar body 551 connected successively, second lamellar body 553, 3rd lamellar body 555 and the 4th lamellar body 557, this first lamellar body 551 is extended away from one end of the 3rd Extendible flake 5335 is straight by the second Extendible flake 5333, this first lamellar body 551 is arranged with the 3rd lamellar body 555 parallel interval, this second lamellar body 553 is vertically connected between the first lamellar body 551 and the 3rd lamellar body 555, 3rd lamellar body 555 extends towards the direction away from the first antenna 30, this first lamellar body 551, second lamellar body 553 and the 3rd lamellar body 555 form a groove S1 jointly, 4th lamellar body 557 is connected with the 3rd lamellar body 555 is vertical, and the 4th lamellar body 557 is towards extending near the direction of the first lamellar body 551 and arranging with the 3rd Extendible flake 5335 parallel interval, the end of the 4th lamellar body 557 is connected by the mode that shell fragment or welding etc. are known with metalwork 70.
This metalwork 70 is the appearance member of radio communication device 200, as metal edge frame.In the present embodiment, this metalwork 70 is a frame structure, it the second metal edge frame 74 and the 3rd metal edge frame 76 of comprising the first metal edge frame 72 and being connected to the first metal edge frame 72 two ends, this second metal edge frame 74 and the 3rd metal edge frame 76 all one-body molded with metal shell 240.Above-mentioned second lengthy motion picture 513 and the 4th lamellar body 557 are all connected with the first metal edge frame 72 of this metalwork 70, in the present embodiment, this second lengthy motion picture 513 forms the first tie point G1 with the junction of this first metal edge frame 72, this first tie point G1 is roughly positioned at the middle part of the first metal edge frame 72,4th lamellar body 557 forms the second tie point G2 with the junction of this first metal edge frame 72, and this second tie point G2 is positioned at the first metal edge frame 72 one end near the second metal edge frame 74.
Refer to Fig. 2, in the second embodiment, the one as the first embodiment converts, and can increase by an adapter section 320 in the second extension 33 place, to increase the current path of feed-in signal, thus the high band bandwidth of adjustment antenna structure 100.In the present embodiment, this adapter section 320 extends towards the direction contrary with the second extension 33 is straight.
Refer to Fig. 3, in 3rd embodiment, with the first embodiment unlike, the Part I 51 of this second antenna 50 is substituted by a bonding pad 511, this bonding pad 511 is stretched towards edge, the direction parallel with the second extension 33, to adjust the signal radiation path of the second antenna 50 away from one end of the first Extendible flake 5331 by the first extension 531 of Part II 53.This bonding pad 511 is connected by the mode such as shell fragment or welding with the first metal edge frame 72, and is positioned at the first metal edge frame 72 one end near the 3rd metal edge frame 76 in junction formation the 3rd tie point G3, the 3rd tie point G3., be connected with the first metal edge frame 72 by the mode such as shell fragment or welding in the junction of this bonding pad 511 and the first extension 531 meanwhile, and then form the 4th tie point G4.
In addition, for increasing the radiation bandwidth of this antenna structure 100, in one end of this antenna structure 100 (such as this first tie point G1 place) Inductive component of connecting, to mate antenna impedance, and then the bandwidth of antenna low-frequency range can be promoted.
Further illustrate the operation principle of this antenna structure 100 below: first, this first antenna 30 is from feed-in current signal circuit board 220, and electric current through the first extension 31 and the second extension 33, forms the first current path successively; Electric current on this first antenna 30 is on the Part I 51 of resonance coupling to the second antenna 50, one part of current on this Part I 51 is successively through the first lengthy motion picture 510, second lengthy motion picture 513, first metal edge frame 72 and the 3rd metal edge frame 76, finally by metal shell 240 system earth, form the second current path; Another part electric current on this Part I 51 through the first extension 531 and the second extension 533, and is coupled on the 4th lamellar body 557, finally flows through the second metal edge frame 74 and through metal shell 240 system earth, forms the 3rd current path; Electric current on this first antenna 30 is on the Part III 55 of resonance coupling to the second antenna 50, electric current on this Part III 55 is by the first lamellar body 551, second lamellar body 553, the 3rd lamellar body 555, the 4th lamellar body 557 and the second metal edge frame 74, eventually through metal shell 240 system earth, thus form the 4th current path.As seen from Figure 4, this antenna structure 100 has better radiation efficiency when bandwidth is 824MHz ~ 960MHz and 1710MHz ~ 2690MHz.
Antenna structure 100 of the present invention by multiple different current path, and then inspires different mode, makes antenna can contain wider frequency range, improves the bandwidth of antenna low-frequency range.
The appearance member (metalwork 70) of radio communication device 200 is integrated into a part for antenna structure 100 by the present invention, avoids the screen effect that metal shell 240 pairs of antennas cause, and reduces antenna size and takes up room, and reaches the effect reduced costs.
Although be illustrated the preferred embodiment of the present invention and describe, the art personnel will realize, and can make different changes, and these do not exceed scope of the present invention.Therefore expect, the present invention is not limited to disclosed as the preferred forms realized contemplated by the present invention.
Claims (10)
1. an antenna structure, it is characterized in that: described antenna structure comprises the first antenna, the second antenna and metalwork, described second antenna comprises the Part I, Part II and the Part III that connect successively, the Part I of described second antenna and Part III are all arranged with the first antenna spacing, the Part II of described second antenna is all connected with Part I with Part III, and the Part I of described second antenna and Part III are all electrically connected with metalwork.
2. antenna structure as claimed in claim 1, is characterized in that: described first antenna comprises the first extension and the second extension, and this first extension is coplanar with the second extension and be vertically connected.
3. antenna structure as claimed in claim 2, it is characterized in that: the Part I of described second antenna comprises the first lengthy motion picture and the second lengthy motion picture, described first lengthy motion picture and the second extension parallel interval are arranged, described first lengthy motion picture is connected by a changeover portion with the second lengthy motion picture, and the plane at described second lengthy motion picture place is mutually vertical with the plane at the first lengthy motion picture place, and described second lengthy motion picture is connected with metalwork.
4. antenna structure as claimed in claim 3, it is characterized in that: the Part II of described second antenna comprises the first extension and the second extension that connect successively, described first extension is extended towards away from the direction of the second extension of the first antenna is straight by the first lengthy motion picture, described second extension comprises the first Extendible flake, the second Extendible flake and the 3rd Extendible flake, described first Extendible flake is connected with the first extension is vertical, and described second Extendible flake is vertically connected between the first Extendible flake and the 3rd Extendible flake.
5. antenna structure as claimed in claim 4, it is characterized in that: the Part III of described second antenna comprises the first lamellar body, the second lamellar body, the 3rd lamellar body and the 4th lamellar body that connect successively, described first lamellar body is extended by the second Extendible flake one end away from the 3rd Extendible flake, described second is vertically connected between the first lamellar body and the 3rd lamellar body, described 4th lamellar body is connected with the 3rd lamellar body is vertical, and described 4th lamellar body and the 3rd Extendible flake interval are arranged, described 4th lamellar body is connected with the first metal edge frame.
6. antenna structure as claimed in claim 2, is characterized in that: the Part I of described second antenna comprises a bonding pad, and described bonding pad is towards the direction parallel with the second extension along stretching, and described bonding pad is connected with the first metal edge frame.
7. antenna structure as claimed in claim 2, is characterized in that: described first antenna also comprises an adapter section, and described adapter section extends towards the direction contrary with the second extension.
8. antenna structure as claimed in claim 1, is characterized in that: this first day line described forms the first current path; Electric current on this first antenna is through the Part I of resonance coupling to the second antenna, and the portion of electrical current on this Part I, through metalwork, forms the second current path; Another part current coupling on this Part I, on Part III, finally flows through metalwork, forms the 3rd current path; Electric current on this first antenna is on the Part III of resonance coupling to the second antenna, and the electric current on this Part III through metalwork, thus forms the 4th current path.
9. a radio communication device, it comprises antenna structure, circuit board, metal shell, described circuit board is located in metal shell, and described antenna structure is located on circuit board, and its improvement is: the antenna structure of described antenna structure according to any one of claim 1 ~ 8.
10. radio communication device as claimed in claim 9, it is characterized in that: described circuit board is provided with load point and earth point, described antenna structure is connected with load point, described metal shell is connected with earth point, described metalwork is the appearance member of radio communication device, and described metalwork is connected with metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222956.1A CN104241844B (en) | 2013-06-06 | 2013-06-06 | Antenna structure and the radio communication device using the antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310222956.1A CN104241844B (en) | 2013-06-06 | 2013-06-06 | Antenna structure and the radio communication device using the antenna structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104241844A true CN104241844A (en) | 2014-12-24 |
| CN104241844B CN104241844B (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310222956.1A Expired - Fee Related CN104241844B (en) | 2013-06-06 | 2013-06-06 | Antenna structure and the radio communication device using the antenna structure |
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| Country | Link |
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| CN (1) | CN104241844B (en) |
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| CN106935952A (en) * | 2015-12-30 | 2017-07-07 | 华为技术有限公司 | Dual polarized antenna and communication equipment |
| CN107104270A (en) * | 2016-02-19 | 2017-08-29 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
| CN107742781A (en) * | 2017-08-31 | 2018-02-27 | 深圳市盛路物联通讯技术有限公司 | Antenna structure and the mobile terminal with the antenna structure |
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| CN106935952A (en) * | 2015-12-30 | 2017-07-07 | 华为技术有限公司 | Dual polarized antenna and communication equipment |
| CN106935952B (en) * | 2015-12-30 | 2020-02-21 | 华为技术有限公司 | Dual-polarized antenna and communication device |
| CN107104270A (en) * | 2016-02-19 | 2017-08-29 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
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| CN107742781A (en) * | 2017-08-31 | 2018-02-27 | 深圳市盛路物联通讯技术有限公司 | Antenna structure and the mobile terminal with the antenna structure |
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| CN104241844B (en) | 2017-06-27 |
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