CN204088565U - WIFI antenna and apply the radio communication device of this WIFI antenna - Google Patents
WIFI antenna and apply the radio communication device of this WIFI antenna Download PDFInfo
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- CN204088565U CN204088565U CN201420471106.5U CN201420471106U CN204088565U CN 204088565 U CN204088565 U CN 204088565U CN 201420471106 U CN201420471106 U CN 201420471106U CN 204088565 U CN204088565 U CN 204088565U
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- radiation
- horizontal stripe
- wifi antenna
- gap
- feeding portion
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Abstract
The utility model provides a kind of WIFI antenna, it comprises the first radiant body and the second radiant body, described first radiant body is the loop aerial with the first resonance frequency, comprises the grounding parts that feeding portion and described feeding portion are oppositely arranged and the first Department of Radiation being connected described feeding portion and grounding parts; Described second radiant body is positioned at the side of described first Department of Radiation, and and form the first gap between described first Department of Radiation, obtain the second resonance frequency to coordinate with described first Department of Radiation further.This WIFI antenna has two-band.
Description
[technical field]
The utility model relates to a kind of antenna, particularly relates to a kind of WIFI antenna and applies the radio communication device of this WIFI antenna.
[background technology]
Along with wireless communication technology, the developing rapidly and the raising day by day of people's living standard of the information processing technology, the portable radio communication device such as mobile phone, personal digital assistant competitively emerges in large numbers, enter into huge numbers of families, the various facilities making consumer can enjoy high-tech at any time to bring, this radio communication device has become a requisite part in modern's daily life.
In these radio communication devices, be used for launching, accepting radio wave to transmit, to exchange the antenna assembly of radio data signal, one of most important assembly in radio communication device beyond doubt.Existing antenna assembly generally not easily meets the demand of people to multiband radio communication device, more and more consumer wishes that the radio communication device that it uses can be used in WIFI (Wireless Fidelity) communication system, and WIFI communication system operation is in two different frequency band ranges, so existing antenna cannot support the work of two frequency ranges simultaneously.
Therefore, be necessary to provide a kind of novel antenna to overcome above-mentioned defect.
[utility model content]
The purpose of this utility model is to provide a kind of WIFI antenna with two-band.
The technical solution of the utility model is as follows: provide a kind of WIFI antenna, comprise the first radiant body and the second radiant body, described first radiant body is the loop aerial with the first resonance frequency, comprises the grounding parts that feeding portion and described feeding portion are oppositely arranged and the first Department of Radiation being connected described feeding portion and grounding parts; Described second radiant body is positioned at the side of described first Department of Radiation, and and form the first gap between described first Department of Radiation, obtain the second resonance frequency to coordinate with described first Department of Radiation further.
Preferably, described first Department of Radiation comprises the first radiation horizontal stripe extend horizontally away to the direction away from described grounding parts along one end of described feeding portion, the first radiation vertical bar vertically extended to the direction away from described feeding portion along described first radiation horizontal stripe end, and along the second radiation horizontal stripe that described first radiation vertical bar end extend horizontally away to the direction near described grounding parts, described second radiation horizontal stripe is connected with one end of described grounding parts is vertical, and described second radiant body is positioned at the side of described second radiation horizontal stripe.
Preferably, described second radiant body comprise be positioned at described second radiation horizontal stripe side and be parallel to described second radiation horizontal stripe the 3rd radiation horizontal stripe, along described 3rd radiation horizontal stripe one end to the second radiation vertical bar vertically extended near the direction of described feeding portion and the 4th radiation horizontal stripe extend horizontally away towards the direction of described grounding parts along the end of described second radiation vertical bar, between described second radiation horizontal stripe and described 3rd radiation horizontal stripe, form described first gap.
Preferably, form the 4th gap between described 4th radiation horizontal stripe and described 3rd radiation horizontal stripe, described 4th gap is connected with described first gap.
Preferably, the second gap is formed between described second radiation horizontal stripe and described first radiation horizontal stripe.
Preferably, form third space between described feeding portion and described grounding parts, described third space is connected with described second gap.
Preferably, the other end of described feeding portion is provided with distributing point.
Preferably, the other end of described grounding parts is provided with earth point.
Preferably, the width in described first gap is 0.3 ~ 0.5mm.
The utility model also provides a kind of radio communication device, the metal frame comprising substrate and arrange around described substrate, and described radio communication device also comprises that laying is on the substrate, WIFI antenna described above.
The beneficial effects of the utility model are: this WIFI antenna by arranging gap between loop aerial and radiant body, slot-coupled effect is utilized to convert radiant body to unipole antenna, thus make two different antennas obtain different resonance frequencys, add the frequency range of WIFI antenna, thus, this WIFI antenna can support the work of two-band.
[accompanying drawing explanation]
Fig. 1 is the front view that the WIFI antenna of the utility model preferred embodiment is laid on substrate;
Fig. 2 is the return loss plot of the WIFI antenna of the utility model preferred embodiment.
[embodiment]
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
With reference to figure 1, the WIFI antenna 10 of the utility model preferred embodiment is laid on the substrate 30 in the portable radio communication device such as mobile phone, personal digital assistant (not shown), in order to launch, to receive radio wave to transmit, to exchange radio data signal.The surrounding of substrate 30 is arranged with metal frame (not shown), the WIFI antenna that the utility model provides can be applied in metal enclosure around environment in, the absorption of metal frame to the radiation of antenna can be reduced.In this preferred embodiment, the method that this WIFI antenna 10 adopts engraving to print by copper material is formed on this substrate 30.This substrate 30 is a printed circuit board (PCB), is formed with ground plane.
This WIFI antenna 10 comprises the first radiant body 11 and the second radiant body 12 be laid on substrate 30.First radiant body 11 is for having the loop aerial of the first resonance frequency, first radiant body 11 and the second radiant body 12 in the same plane, second radiant body 12 in the side of the first radiant body 11 and and form the first gap 100 between the first radiant body 11, obtain the second resonance frequency to produce slot-coupled effect with the first radiant body 11 further.In the present embodiment, this first resonance frequency is 5GHz (5.15-5.85GHz) frequency range, and this second resonance frequency is 2.4GHz (2.412-2.477GHz) frequency range.
The grounding parts 112 that first radiant body 11 comprises feeding portion 111, is oppositely arranged with feeding portion 111, and be connected to the first Department of Radiation 113 of feeding portion 111 and grounding parts 112.
First Department of Radiation 113 is the plates of bending, comprise the first radiation horizontal stripe 1131 extend horizontally away towards the direction away from grounding parts 112 along one end of feeding portion 111, the first radiation vertical bar 1132 vertically extended to the direction away from feeding portion 111 along the end of the first radiation horizontal stripe 1131, and along the end of the first radiation vertical bar 1132 to the second radiation horizontal stripe 1133 extend horizontally away near the direction of grounding parts 112.Second radiation horizontal stripe 1133 parallels with the first radiation horizontal stripe 1131 and and forms the second gap 110 between the first radiation horizontal stripe 1131.In the present embodiment, the width of the first radiation horizontal stripe 1131 is roughly the same with the width of the first radiation vertical bar 1132, but is all less than the width of the second radiation horizontal stripe 1133.
Feeding portion 111 is plates, in feeding portion 111, one end of first radiation horizontal stripe 1131 is provided with distributing point 1110, this distributing point 1110 is electrically connected, to be imported in loop aerial by signal with signal feed-in part (not shown) existing in radio communication device.
Grounding parts 112 is plates, one end of grounding parts 112 is vertically connected on the side of close first radiation horizontal stripe 1131 in the second radiation horizontal stripe 1133, the other end of grounding parts 112 is provided with earth point 1120, is connected to the ground plane of substrate 30 by this earth point 1120.In the present embodiment, grounding parts 112 is vertically connected to the second radiation horizontal stripe 1133, and feeding portion 111 is vertically connected to the first radiation horizontal stripe 1131, then grounding parts 112 parallels with feeding portion 111, and and forms third space 120 between feeding portion 111.Grounding parts 112 is roughly equal with the width of feeding portion 111, and the length of feeding portion 111 is slightly less than the length of grounding parts 112.Third space 120 is connected with the second gap 110, constitutes inverted "L" shaped gap.
Second radiant body 12 is the Metal Flake body of bending, comprise be arranged on the second radiation horizontal stripe 1133 side and be parallel to the second radiation horizontal stripe 1133 the 3rd radiation horizontal stripe 121, along one end of the 3rd radiation horizontal stripe 121 to the second radiation vertical bar 122 vertically extended near the direction of feeding portion 111, and the 4th radiation horizontal stripe 123 formed along the end of the second radiation vertical bar 122 to the direction horizontal-extending of grounding parts 112.Formed between 3rd radiation horizontal stripe 121 and the second radiation horizontal stripe 1133 and be somebody's turn to do " one " font first gap 100, the width in the first gap 100 is preferably 0.3 ~ 0.5mm, certainly, can during fabrication by adjusting the width in this first gap 100 to adjust its radiation characteristic, and utilize the slot-coupled effect produced between the second radiation horizontal stripe 1133 and the 3rd radiation horizontal stripe 121 can obtain the second resonance frequency 2.4GHz.In the present embodiment, the 3rd radiation horizontal stripe 121 parallels with the 4th radiation horizontal stripe 123 and and forms the 4th gap 130, gap the 130, four between the 4th radiation horizontal stripe 123 and be connected with the first gap 100.In the present embodiment, be formed with the 5th gap 140, gap the 140, five between the 4th radiation horizontal stripe 123 and grounding parts 112 to be connected with the 4th gap 130.The width in the 4th gap 130, the 5th gap 140 is much larger than the width in the first gap 100.In the present embodiment, the width of the 3rd radiation horizontal stripe 121 is less than the width of the second radiation vertical bar 122, and the width of the second radiation vertical bar 122 is less than the width of the 4th radiation horizontal stripe 123.
With reference to figure 2, be depicted as return loss (return loss, the RL) schematic diagram that WIFI antenna 10 obtains under simulation softward detects.As seen from Figure 2, in test process, the return loss that the return loss of WIFI antenna 10 near 2.4GHz frequency range is approximately near-20.5dB and 5GHz frequency range is approximately-28dB, and these parameters all meet Antenna Design requirement.Therefore, frequency range scope when this WIFI antenna 10 works can contain the frequency range of 2.4GHz and 5GHz,
In the utility model, this WIFI antenna by arranging gap between loop aerial and radiant body, slot-coupled effect is utilized to convert radiant body to unipole antenna, thus different resonance frequencys is obtained on two different antennas, add the frequency range of WIFI antenna, this WIFI antenna can support the work of two-band.
Above-described is only execution mode of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite not departing from the utility model creation design; improvement can also be made, but these all belong to protection range of the present utility model.
Claims (10)
1. a WIFI antenna, comprise the first radiant body and the second radiant body, it is characterized in that, described first radiant body is the loop aerial with the first resonance frequency, comprises the grounding parts that feeding portion and described feeding portion are oppositely arranged and the first Department of Radiation being connected described feeding portion and grounding parts;
Described second radiant body is positioned at the side of described first Department of Radiation, and and form the first gap between described first Department of Radiation, obtain the second resonance frequency to coordinate with described first Department of Radiation further.
2. WIFI antenna according to claim 1, it is characterized in that, described first Department of Radiation comprises the first radiation horizontal stripe extend horizontally away to the direction away from described grounding parts along one end of described feeding portion, along the first radiation vertical bar that described first radiation horizontal stripe end vertically extends to the direction away from described feeding portion, and along the second radiation horizontal stripe that described first radiation vertical bar end extend horizontally away to the direction near described grounding parts, described second radiation horizontal stripe is connected with one end of described grounding parts is vertical, described second radiant body is positioned at the side of described second radiation horizontal stripe.
3. WIFI antenna according to claim 2, it is characterized in that, described second radiant body comprise be positioned at described second radiation horizontal stripe side and be parallel to described second radiation horizontal stripe the 3rd radiation horizontal stripe, along described 3rd radiation horizontal stripe one end to the second radiation vertical bar vertically extended near the direction of described feeding portion and the 4th radiation horizontal stripe extend horizontally away towards the direction of described grounding parts along the end of described second radiation vertical bar, between described second radiation horizontal stripe and described 3rd radiation horizontal stripe, form described first gap.
4. WIFI antenna according to claim 3, is characterized in that, forms the 4th gap between described 4th radiation horizontal stripe and described 3rd radiation horizontal stripe, and described 4th gap is connected with described first gap.
5. WIFI antenna according to claim 2, is characterized in that, forms the second gap between described second radiation horizontal stripe and described first radiation horizontal stripe.
6. WIFI antenna according to claim 5, is characterized in that, forms third space between described feeding portion and described grounding parts, and described third space is connected with described second gap.
7. WIFI antenna according to claim 2, is characterized in that, the other end of described feeding portion is provided with distributing point.
8. WIFI antenna according to claim 2, is characterized in that, the other end of described grounding parts is provided with earth point.
9. the WIFI antenna according to any one of claim 1-8, is characterized in that, the width in described first gap is 0.3 ~ 0.5mm.
10. a radio communication device, the metal frame comprising substrate and arrange around described substrate, is characterized in that, described radio communication device also comprise laying on the substrate, as claimed in any one of claims 1-9 wherein WIFI antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471106.5U CN204088565U (en) | 2014-08-20 | 2014-08-20 | WIFI antenna and apply the radio communication device of this WIFI antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420471106.5U CN204088565U (en) | 2014-08-20 | 2014-08-20 | WIFI antenna and apply the radio communication device of this WIFI antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088565U true CN204088565U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420471106.5U Expired - Fee Related CN204088565U (en) | 2014-08-20 | 2014-08-20 | WIFI antenna and apply the radio communication device of this WIFI antenna |
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| CN (1) | CN204088565U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394348A (en) * | 2017-06-01 | 2017-11-24 | 惠州Tcl移动通信有限公司 | A kind of antenna module and mobile terminal |
| CN107808993A (en) * | 2017-11-10 | 2018-03-16 | 深圳汉阳天线设计有限公司 | A kind of mobile phone metallic plate radiating antenna of annular resonant structure |
| CN108023165A (en) * | 2016-11-03 | 2018-05-11 | 宏碁股份有限公司 | Mobile device |
| CN108565544A (en) * | 2018-04-20 | 2018-09-21 | 深圳市信维通信股份有限公司 | A kind of ultra wide band 5G mimo antenna structures |
| CN109792107A (en) * | 2016-07-29 | 2019-05-21 | 三星电子株式会社 | Electronic device including antenna |
| CN110620289A (en) * | 2018-06-19 | 2019-12-27 | 海信集团有限公司 | Radio frequency device and terminal equipment |
| WO2021088736A1 (en) * | 2019-11-05 | 2021-05-14 | RealMe重庆移动通信有限公司 | Antenna radiator and electronic device |
-
2014
- 2014-08-20 CN CN201420471106.5U patent/CN204088565U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109792107A (en) * | 2016-07-29 | 2019-05-21 | 三星电子株式会社 | Electronic device including antenna |
| CN109792107B (en) * | 2016-07-29 | 2021-10-22 | 三星电子株式会社 | Electronic device including antenna |
| US11831068B2 (en) | 2016-07-29 | 2023-11-28 | Samsung Electronics Co., Ltd. | Electronic device including antenna |
| CN108023165A (en) * | 2016-11-03 | 2018-05-11 | 宏碁股份有限公司 | Mobile device |
| CN107394348A (en) * | 2017-06-01 | 2017-11-24 | 惠州Tcl移动通信有限公司 | A kind of antenna module and mobile terminal |
| CN107808993A (en) * | 2017-11-10 | 2018-03-16 | 深圳汉阳天线设计有限公司 | A kind of mobile phone metallic plate radiating antenna of annular resonant structure |
| CN107808993B (en) * | 2017-11-10 | 2024-01-19 | 深圳汉阳天线设计有限公司 | Mobile phone metal plate radiation antenna with annular resonance structure |
| CN108565544A (en) * | 2018-04-20 | 2018-09-21 | 深圳市信维通信股份有限公司 | A kind of ultra wide band 5G mimo antenna structures |
| CN108565544B (en) * | 2018-04-20 | 2023-10-17 | 深圳市信维通信股份有限公司 | Ultra-wideband 5G MIMO antenna structure |
| CN110620289A (en) * | 2018-06-19 | 2019-12-27 | 海信集团有限公司 | Radio frequency device and terminal equipment |
| WO2021088736A1 (en) * | 2019-11-05 | 2021-05-14 | RealMe重庆移动通信有限公司 | Antenna radiator and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |