CN104124524A - Antenna structure and wireless communication device provided with same - Google Patents
Antenna structure and wireless communication device provided with same Download PDFInfo
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- CN104124524A CN104124524A CN201310149661.6A CN201310149661A CN104124524A CN 104124524 A CN104124524 A CN 104124524A CN 201310149661 A CN201310149661 A CN 201310149661A CN 104124524 A CN104124524 A CN 104124524A
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- radiant body
- antenna structure
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- lamellar
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Abstract
The invention provides an antenna structure, which comprises a feed-in device, a first radiator, a second radiator and a metal sheet, wherein the first radiator is connected with the feed-in end so as to feeding current signals in; the second radiator and the first radiator are arranged at intervals so as to enable the current signals to be coupled onto the second radiator; and the second radiator is connected with the metal sheet. Through integrating the metal sheet of the wireless communication device into one part of the antenna structure, shielding effects by the metal shell on the antenna can be avoided, the size and the occupied space of the antenna are reduced, and the effects of reducing the cost can be achieved.
Description
Technical field
The present invention relates to a kind of antenna structure, relate in particular to and a kind ofly utilize metal chassis as the antenna structure of antenna and apply the radio communication device of this antenna structure.
Background technology
Along with the upsurge of wireless communications products, each communication products design towards frivolous trend development, and consumer is also more and more harsh to the requirement of product appearance.Because the radio communication device of metal chassis has greater advantage at aspects such as outward appearance, mechanism's intensity and radiating effects, under the consideration of outward appearance and mechanism design, make the communication products of metal chassis flourish.Antenna assembly is one of critical elements in radio communication, but metal chassis 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 above situation, be necessary to provide a kind of antenna structure that can avoid metal chassis screen effect.
Separately, be also necessary to provide a kind of radio communication device of applying described antenna structure.
A kind of antenna structure, it comprises feed side, the first radiant body, the second radiant body and metalwork.This first radiant body is connected with feed side, and with feed-in current signal, this second radiant body and the first radiant body interval arrange, so that current signal is coupled on the second radiant body, and this second radiant body is connected with metalwork.
A kind of radio communication device, it comprises metal shell and antenna structure.Described antenna structure comprises feed side, the first radiant body, the second radiant body and metalwork, described the first radiant body is connected with feed side and arranges with the second radiant body interval, described the second radiant body is connected with metalwork, and described metalwork and metal shell are one-body molded.
The present invention is integrated into the metalwork of radio communication device a part for antenna structure, and the screen effect of having avoided metal shell to cause antenna reduces antenna size and takes up room, and reaches the effect reducing costs.Meanwhile, another advantage of this antenna structure is not destroy under the structure of metal shell, can maintain antenna performance and the integrality that keeps the design of product overall appearance.
Brief description of the drawings
Fig. 1 is the stereogram of the radio communication device with antenna structure of first embodiment of the invention.
Fig. 2 is the stereogram of the part antenna structure shown in Fig. 1.
Fig. 3 is the stereogram of the radio communication device of second embodiment of the invention.
Fig. 4 is the stereogram of the radio communication device of third embodiment of the invention.
Fig. 5 is the return loss plot of the antenna structure shown in Fig. 1.
Main element symbol description
| Antenna structure | 100 |
| Feed side | 10 |
| Extension | 320 |
| The second radiant body | 50 |
| The first lamellar body | 52 |
| The second lamellar body | 54 |
| The 3rd lamellar body | 56 |
| Extension | 58 |
| First extends sheet | 580 |
| Second extends sheet | 582 |
| Metalwork | 70 |
| The first frame | 72 |
| The second frame | 74 |
| The 3rd frame | 76 |
| The first groove | S1 |
| The second groove | S2 |
| Radio communication device | 200 |
| Circuit board | 220 |
| Metal shell | 240 |
Following embodiment further illustrates the present invention in connection 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 in the radio communication device 200 that mobile phone, panel computer etc. have metal chassis.
This radio communication device 200 comprises a circuit board 220 and a metal shell 240, one load point 222 and earth point (not shown) are set on this circuit board 220, this load point 222 is used to antenna structure 100 feed-in electric currents, this circuit board 220 is located in metal shell 240, this metal shell 240 is electrically connected by the earth point of the existing mechanism connected modes such as screw and circuit board 220 lock and circuit board 220, thinks that antenna structure 100 provides system earth.This antenna structure 100 comprises feed side 10, the first radiant body 30, the second radiant body 50 and metalwork 70, and this feed side 10 is electrically connected with load point 222, and is arranged on circuit board 220.This second radiant body 50 is connected with metalwork 70, and this metalwork and metal shell 240 are connected in the mode such as one-body molded.
This first radiant body 30 is vertically connected at a side of feed side 10 and is positioned at same plane with feed side 10.In the design and manufacture stage, by adjusting the size of this first radiant body 30, make this antenna structure 100 in the time that transmitting-receiving the first bandwidth is roughly the wireless signal of 1630MHz～2170MHz, there is preferably effect.
This second radiant body 50 and the first radiant body 30 are positioned at same plane, and it comprises the first lamellar body 52, the second lamellar body 54 and the 3rd lamellar body 56 that connect successively.This first lamellar body 52 and the first radiant body 30 part parallel interval settings, so that the current coupling on the first radiant body 30 is to the second radiant body 50.This second lamellar body 54 is vertically connected between the first lamellar body 52 and the 3rd lamellar body 56, and the 3rd lamellar body 56 is towards extending near a side of feed side 10 and then jointly forming one first groove S1 with the first lamellar body 52 and the second lamellar body 54.In the present embodiment, the length of the 3rd lamellar body 56 is greater than the length of the first lamellar body 52.
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, the second frame 74 and the 3rd frame 76 that it comprises the first frame 72 and is connected to the first frame 72 two ends, and this second frame 74 and the 3rd frame 76 are all one-body molded with metal shell 240.This first frame 72 by shell fragment connect, the mode such as welding is connected with the 3rd lamellar body 56 of the second radiant body 50, in the present embodiment, this tie point is roughly positioned at the centre position of the first frame 72.In the design and manufacture stage, by adjusting the size of the second radiant body 50, metalwork 70, and the size of the first groove S1, make this antenna structure 100 in the time that transmitting-receiving the second bandwidth is roughly the wireless signal of 820MHz～960MHz, there is preferably effect.
Refer to Fig. 3, in the second embodiment, as the one conversion of the first embodiment, can increase in 10 places, feed side by an extension 320, to increase FD feed path, to increase the high band bandwidth of antenna structure 100.In the present embodiment, this extension 320 is towards direction straight extend contrary with the first radiant body 30.
Refer to Fig. 4, in the 3rd embodiment, as the one conversion of the first embodiment, the 3rd lamellar body 56 increases by an extension 58 away from one end of the second lamellar body 54, to adjust the signal path of the second radiant body 50, thus the bandwidth of increase antenna low-frequency range.In the present embodiment, this extension 58 comprises that the first prolongation sheet 580 and second extends sheet 582, first extends sheet 580 is vertically connected between the second prolongation sheet 582 and the 3rd lamellar body 56, this the second prolongation sheet 582 extends towards the direction near the first lamellar body 52, and jointly form one second groove S2 with the first prolongation sheet 580 and the 3rd lamellar body 56, thereby make this second radiant body 50 be roughly a symmetrical structure.
Further illustrate the operation principle of this antenna structure 100 below, first when feed side 10 is from radio communication device 200 feed-in electric currents, on current direction the first radiant body 30, to inspire first mode, and then the wireless signal of transmitting-receiving the first centre frequency.Meanwhile, due to the first lamellar body 52 and the first radiant body 30 intervals settings, current coupling to the second radiant body 50 on the first radiant body 30, and the metalwork 70 of flowing through, and finally by metal shell 240 ground connection, jointly to excite a second mode, and then the wireless signal of transmitting-receiving the second centre frequency.As shown in Figure 5, this antenna structure 100 has higher efficiency in the time that transmitting-receiving the first bandwidth is 1630MHz～2170MHz and the second bandwidth wireless signal that is 820MHz～960MHz.
The present invention is integrated into the appearance member of radio communication device 200 (metalwork 70) part for antenna structure 100, and the screen effect of having avoided metal shell 240 to cause antenna reduces antenna size and takes up room, and reaches the effect reducing costs.Meanwhile, another advantage of this antenna structure 100 is not destroy under the structure of metal shell 240, can maintain antenna performance and the integrality that keeps the design of product overall appearance.
Although the preferred embodiment of the present invention is illustrated and is described, the art personnel will realize, and can make different variations, and these do not exceed scope of the present invention.Therefore expect, the present invention is not limited to disclosed conduct and realizes the contemplated preferred forms of the present invention.
Claims (9)
1. an antenna structure, it is characterized in that: described antenna structure comprises feed side, the first radiant body, the second radiant body and metalwork, described the first radiant body is connected with feed side, with feed-in current signal, described the second radiant body and the first radiant body interval arrange, so that the current signal of the first radiant body is coupled on the second radiant body, and described the second radiant body is connected with metalwork.
2. antenna structure as claimed in claim 1, it is characterized in that: described the first radiant body and the second radiant body are positioned at same plane, described the second radiant body comprises and connects successively the first lamellar body, the second lamellar body and the 3rd lamellar body, and described the first lamellar body and the first radiant body parallel interval arrange.
3. antenna structure as claimed in claim 2, it is characterized in that: described the second lamellar body is vertically connected between the first lamellar body and the 3rd lamellar body, described the 3rd lamellar body is towards extending near a side of feed side and then jointly forming one first groove with the first lamellar body and the second lamellar body.
4. antenna structure as claimed in claim 3, is characterized in that: described the 3rd lamellar body extends an extension away from one end of the second lamellar body, to adjust the signal path of the second radiant body, increases the bandwidth of antenna low-frequency range.
5. antenna structure as claimed in claim 4, it is characterized in that: described extension comprises that the first prolongation sheet and second extends sheet, first extends sheet is vertically connected between the second prolongation sheet and the 3rd lamellar body, described second extends sheet extends towards the direction near the second lamellar body, and described first extends sheet, second extends sheet and common one second groove that forms of the 3rd lamellar body.
6. antenna structure as claimed in claim 2, is characterized in that: described antenna structure also comprises an extension, and extend towards the direction contrary with the first radiant body described extension.
7. a radio communication device, it comprises metal shell and antenna structure, it is characterized in that: described antenna structure comprises feed side, the first radiant body, the second radiant body and metalwork, described the first radiant body is connected with feed side and arranges with the second radiant body interval, described the second radiant body is connected with metalwork, and described metalwork is connected with metal shell.
8. radio communication device as claimed in claim 7, it is characterized in that: the appearance member that described metalwork is described radio communication device, the second frame and the 3rd frame that it comprises the first frame and is connected to the first frame two ends, described the first frame is connected with the second radiant body, and described the second frame and the 3rd frame and metal shell are one-body molded.
9. radio communication device as claimed in claim 7, it is characterized in that: radio communication device also comprises a mainboard, on described mainboard, earth point is set, described metal shell and earth point are electrically connected, described the first radiant body by feed side from mainboard feed-in current signal, on described the first radiant body, electric current is coupled on the second radiant body, and the metalwork of flowing through, finally by metal shell ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310149661.6A CN104124524A (en) | 2013-04-26 | 2013-04-26 | Antenna structure and wireless communication device provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310149661.6A CN104124524A (en) | 2013-04-26 | 2013-04-26 | Antenna structure and wireless communication device provided with same |
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| Publication Number | Publication Date |
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| CN104124524A true CN104124524A (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310149661.6A Pending CN104124524A (en) | 2013-04-26 | 2013-04-26 | Antenna structure and wireless communication device provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104124524A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105870585A (en) * | 2016-01-06 | 2016-08-17 | 乐视移动智能信息技术（北京）有限公司 | Antenna device and mobile terminal |
| CN106611891A (en) * | 2015-10-23 | 2017-05-03 | 富港电子(昆山)有限公司 | Antenna combination |
| WO2017128485A1 (en) * | 2016-01-27 | 2017-08-03 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and mobile terminal |
| CN113517546A (en) * | 2020-04-10 | 2021-10-19 | 华为技术有限公司 | Electronic equipment |
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| CN113517546A (en) * | 2020-04-10 | 2021-10-19 | 华为技术有限公司 | Electronic equipment |
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Application publication date: 20141029 |
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