CN101847214B - Data card antenna and data card - Google Patents
Data card antenna and data card Download PDFInfo
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- CN101847214B CN101847214B CN2010102052229A CN201010205222A CN101847214B CN 101847214 B CN101847214 B CN 101847214B CN 2010102052229 A CN2010102052229 A CN 2010102052229A CN 201010205222 A CN201010205222 A CN 201010205222A CN 101847214 B CN101847214 B CN 101847214B
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Abstract
The invention discloses a data card antenna and a data card. The data card antenna comprises a printed circuit board of the data card, a feeder point and a feeder line, wherein, the printed circuit board is provided with a semi-open slit; the feeder point is arranged at the opening of the slit; the feeder line is led out from the feeder point to seal the opening of the slit; and the universal serial bus (USB) head of the data card is connected with the feeder line. Relative to the prior art, the embodiment of the invention can lead the antenna to well utilize the printed circuit board of the data card for radiation, and promote the radiation capacity of the printed circuit board of a portable computer connected with the data card, thereby leading the antenna to effectively utilize the printed circuit board under the condition of the same bandwidth, thus the occupied space of the antenna is smaller.
Description
Technical field
The present invention relates to communication technical field, relate in particular to data card antenna and data card.
Background technology
The antenna design difficulty is big on the data card; Main difficult technical is, the antenna area useful space is little, and object tape is wide; Testing SA R (Specific Absorption Rate closely; Specific absorption rate) value requires lowly etc., and wherein the SAR test request is more and more stricter, has become first difficulty of data card wireless performance.Under the prerequisite that does not influence other wireless performance indexes, effectively reducing the SAR value is a problem that presses for solution.Simultaneously; Radio communication also has increasing requirement to the bandwidth of operation of antenna; Hope that working frequency range on the antenna can comprise 850,900,1800,1900,2100, GPS (Global Positioning System; GPS), bluetooth, WIFI frequency ranges such as (Wireless Fidelity, Wireless Fidelitys).
Existing data card extensively adopts the built-in antenna of monopole, IFA (inverse-F antenna), PIFA (pico farad antenna) form; The antenna of these forms generally is positioned at the data card end; And PCB (Printed Circuit Board, printed circuit board (PCB)) forms radiator jointly.
The inventor finds that there is following deficiency at least in prior art in realizing process of the present invention:
In the prior art, to required bandwidth, the shared space of antenna is bigger.
Summary of the invention
The embodiment of the invention provides a kind of data card antenna, takes up space in order to reduce antenna, and said data card antenna comprises:
The printed circuit board (PCB) of data card has the slit of a half opening on the said printed circuit board (PCB);
Present point, be arranged at the opening part in said slit;
Feeder line is drawn from said feedback point, with the closure of openings in said slit;
The general-purpose serial bus USB head of said data card is connected with said feeder line.
The embodiment of the invention also provides a kind of data card, takes up space in order to reduce antenna, and said data card comprises:
Printed circuit board (PCB) has the slit of a half opening on the said printed circuit board (PCB);
Present point, be arranged at the opening part in said slit;
Feeder line is drawn from said feedback point, with the closure of openings in said slit;
The general-purpose serial bus USB head is connected with said feeder line.
In the embodiment of the invention, have the slit of a half opening on the printed circuit board (PCB) of data card; The opening part in said slit is provided with the feedback point, draws the closure of openings of feeder line with said slit from said feedback point; The USB head of data card is connected with said feeder line; In terms of existing technologies; The data card antenna structure of the embodiment of the invention can make antenna utilize the printed circuit board (PCB) of data card to carry out radiation better; And the printed circuit board (PCB) radianting capacity of the portable machine that is connected with data card of lifting; Thereby under the situation of same band, make antenna more effectively utilize printed circuit board (PCB), so the shared space of antenna is littler.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the structural representation of data card antenna in the embodiment of the invention;
Fig. 2 is near the USB head on the data card, print similar IFA in the embodiment of the invention a synoptic diagram;
Fig. 3 is the structural representation of coupling parasitic structure unit in the embodiment of the invention;
Fig. 4 is provided with the synoptic diagram of snakelike cabling for the ground connection place that is connected with the USB head at printed circuit board (PCB) in the embodiment of the invention;
Fig. 5 is the processing flow chart of the method for making of data card antenna in the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, the embodiment of the invention is explained further details below in conjunction with accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as to qualification of the present invention.
As shown in Figure 1, the data card antenna in the embodiment of the invention can comprise:
The printed circuit board (PCB) 101 of data card has the slit of a half opening on it; The slit of this half opening is not broken off printed circuit board (PCB) 101, leaves part and connects to be used for data;
Present point 102, be arranged at the opening part in said slit;
Feeder line 103 is drawn from said feedback point, with the closure of openings in said slit;
USB (Universal Serial BUS, USB) 104, are connected with said feeder line.
Data card antenna structure by shown in Figure 1 can be known, in the embodiment of the invention, has the slit of a half opening on the printed circuit board (PCB) of data card; The opening part in said slit is provided with the feedback point, draws the closure of openings of feeder line with said slit from said feedback point; The USB head is connected with said feeder line; With respect to prior art; The data card antenna structure of the embodiment of the invention can make antenna utilize the printed circuit board (PCB) of data card to carry out radiation better; And the printed circuit board (PCB) radianting capacity of the portable machine that is connected with data card of lifting; Thereby under the situation of same band, make antenna more effectively utilize printed circuit board (PCB), so the shared space of antenna is littler.
Data card antenna shown in Figure 1 utilizes portable machine and data card itself, forms a similar IFA antenna.On the printed circuit board (PCB) of data card, crack the earlier slit of a half opening, and the feedback point is set at opening edge, draw feeder line and make the opening in slit connect sealing, take up space thereby reduce antenna relatively.During practical implementation; Near the USB head on the data card, print similar IFA earlier, as shown in Figure 2, the slit of the half opening that on the printed circuit board (PCB) 101 of data card, cracks; Drawing feeder line 103 from the feedback point 102 of gap opening makes the opening in slit connect sealing; And said feeder line 103 and said USB 104 is connected, and then becomes antenna by data card with the portable machine mutual group, thereby forms IFA.
Among the embodiment, the junction at feeder line 103 and USB 104 also is provided with loading capacitance 105, is used to adjust tuning-points.
In order to increase the beamwidth of antenna, the embodiment of the invention is introduced a coupling parasitic structure unit.As shown in Figure 3, this coupling parasitic structure unit is a grounded metal sheet 106, and one of which end and USB 104 is connected being connected with the ground of data card, and the other end is maked somebody a mere figurehead on feedback point 102 and slit.This grounded metal sheet makes antenna when radiation, produce multiple radiation mode through coupling, thereby makes that more multiband obtains exciting the formation radiation, makes bandwidth broaden.
In order further to increase the beamwidth of antenna, be connected with the ground connection in data card slit at USB 104 and can use different shapes, as on printed circuit board (PCB), the enclosed edge in the slit of half opening is a broken line shape, for example adopts S shape cabling.As shown in Figure 4, through different cablings, make antenna when radiation, produce multiple radiation mode, thereby make that more multiband obtains exciting the formation radiation, further increase the beamwidth of antenna.
Based on the embodiment of data card antenna of the present invention, those skilled in the art can make the data card that obtains comprising the antenna of being set forth among above each embodiment.
Promptly this data card can comprise:
Printed circuit board (PCB) has the slit of a half opening on the said printed circuit board (PCB);
Present point, be arranged at the opening part in said slit;
Feeder line is drawn from said feedback point, with the closure of openings in said slit;
The general-purpose serial bus USB head is connected with said feeder line.
Among the embodiment, this data card can also comprise:
Grounded metal sheet, an end is connected with said USB head, and an end is maked somebody a mere figurehead on said feedback point and said slit.
In the additional embodiments, this data card can also comprise aforementioned loading capacitance; Certainly, on this data card, the enclosed edge in the slit of aforementioned half opening also can be a broken line shape.
Based on same inventive concept, the embodiment of the invention also provides a kind of method for making of data card antenna, and is of following embodiment.Because the principle that this method for making is dealt with problems is similar with data card antenna, so the enforcement of this method for making can repeat part and repeat no more referring to the enforcement of data card antenna.
As shown in Figure 5, in the embodiment of the invention, the treatment scheme of the method for making of data card antenna can comprise:
Can learn by flow process shown in Figure 5, in the embodiment of the invention, have the slit of a half opening on the printed circuit board (PCB) of data card; The opening part in said slit is provided with the feedback point, draws the closure of openings of feeder line with said slit from said feedback point; The USB head of data card is connected with said feeder line; In terms of existing technologies; The data card antenna structure of the embodiment of the invention can make antenna utilize the printed circuit board (PCB) of data card to carry out radiation better, and the printed circuit board (PCB) radianting capacity of the portable machine that is connected with data card of lifting, thereby under the situation of same band; Make antenna more effectively utilize printed circuit board (PCB), so the shared space of antenna is littler.
Among the embodiment, also the end at said USB head connects a grounded metal sheet, and said grounded metal sheet is maked somebody a mere figurehead on said feedback point and said slit.
Among the embodiment, step 503 is drawn feeder line from said feedback point, with the closure of openings in said slit, can also comprise: in the junction of said feeder line and said USB head, use capacitive load.
Among the embodiment, the method for making of data card antenna shown in Figure 5 can also comprise: on printed circuit board (PCB), adopt broken line shape to form the enclosed edge in the slit of said half opening.
In sum, in the embodiment of the invention, have the slit of a half opening on the printed circuit board (PCB) of data card; The opening part in said slit is provided with the feedback point, draws the closure of openings of feeder line with said slit from said feedback point; The USB head of data card is connected with said feeder line; In terms of existing technologies; The data card antenna structure of the embodiment of the invention can make antenna utilize the printed circuit board (PCB) of data card to carry out radiation better, and the printed circuit board (PCB) radianting capacity of the portable machine that is connected with data card of lifting, thereby under the situation of same band; Make antenna more effectively utilize printed circuit board (PCB), so the shared space of antenna is littler.
In the embodiment of the invention, the USB head also is connected with a grounded metal sheet, and this grounded metal sheet has an end to make somebody a mere figurehead on the slit of feedback point and printed circuit board (PCB), can increase the beamwidth of antenna.
In the embodiment of the invention, data card antenna also comprises a loading capacitance, is arranged at the junction of said feeder line and said USB head, can be used to adjust tuning-points.
In the embodiment of the invention, the ground connection place that printed circuit board (PCB) is connected with the USB head can also take different shapes, and as adopting S shape cabling etc., can further increase the beamwidth of antenna.
Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely specific embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a data card antenna is characterized in that, said data card antenna comprises:
The printed circuit board (PCB) of data card has the slit of a half opening on the said printed circuit board (PCB);
Present point, be arranged at the opening part in said slit;
Feeder line is drawn from said feedback point, with the closure of openings in said slit;
The general-purpose serial bus USB head of said data card is connected with said feeder line.
2. data card antenna as claimed in claim 1 is characterized in that, also comprises:
Grounded metal sheet, an end is connected with said USB head, and an end is maked somebody a mere figurehead on said feedback point and said slit.
3. according to claim 1 or claim 2 data card antenna is characterized in that said data card antenna also comprises:
Loading capacitance is arranged at the junction of said feeder line and said USB head.
4. according to claim 1 or claim 2 data card antenna is characterized in that on the said printed circuit board (PCB), the enclosed edge in the slit of said half opening is a broken line shape.
5. a data card is characterized in that, said data card comprises:
Printed circuit board (PCB) has the slit of a half opening on the said printed circuit board (PCB);
Present point, be arranged at the opening part in said slit;
Feeder line is drawn from said feedback point, with the closure of openings in said slit;
The general-purpose serial bus USB head is connected with said feeder line.
6. data card as claimed in claim 5 is characterized in that, said data card also comprises:
Grounded metal sheet, an end is connected with said USB head, and an end is maked somebody a mere figurehead on said feedback point and said slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102052229A CN101847214B (en) | 2010-06-12 | 2010-06-12 | Data card antenna and data card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102052229A CN101847214B (en) | 2010-06-12 | 2010-06-12 | Data card antenna and data card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101847214A CN101847214A (en) | 2010-09-29 |
| CN101847214B true CN101847214B (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102052229A Active CN101847214B (en) | 2010-06-12 | 2010-06-12 | Data card antenna and data card |
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| Country | Link |
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| CN (1) | CN101847214B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176560B (en) * | 2010-12-27 | 2013-04-24 | 华为终端有限公司 | Plug and data card of universal serial bus |
| CN102158246B (en) * | 2011-01-27 | 2013-11-06 | 华为终端有限公司 | Wireless terminal |
| CN202231142U (en) * | 2011-04-21 | 2012-05-23 | 中兴通讯股份有限公司 | Data card antenna and data card |
| CN102930328B (en) | 2012-09-27 | 2016-03-02 | 中兴通讯股份有限公司 | Data card and data interaction system |
| CN104659466A (en) * | 2013-11-20 | 2015-05-27 | 中兴通讯股份有限公司 | Data card antenna and construction method thereof |
| CN204011708U (en) * | 2014-07-21 | 2014-12-10 | 中兴通讯股份有限公司 | Wireless fidelity WIFI auxiliary antenna |
| CN110534874B (en) * | 2018-05-23 | 2022-02-25 | 中兴通讯股份有限公司 | Terminal equipment antenna device and implementation method |
Citations (5)
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| CN2891322Y (en) * | 2006-03-14 | 2007-04-18 | 番禺得意精密电子工业有限公司 | Antenna |
| CN1961455A (en) * | 2004-05-27 | 2007-05-09 | 皇家飞利浦电子股份有限公司 | Device comprising an antenna for exchanging radio frequency signals |
| CN101102011A (en) * | 2007-07-12 | 2008-01-09 | 上海交通大学 | Coplanar wave guide feedback broadband circle polarized millimeter wave plane gap antenna |
| CN201130706Y (en) * | 2007-12-03 | 2008-10-08 | 富士康(昆山)电脑接插件有限公司 | Tabletop computer host |
| CN101697380A (en) * | 2009-10-09 | 2010-04-21 | 清华大学 | Dual-polarized built-in slot antenna used for mobile terminal of wireless local area network |
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2010
- 2010-06-12 CN CN2010102052229A patent/CN101847214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961455A (en) * | 2004-05-27 | 2007-05-09 | 皇家飞利浦电子股份有限公司 | Device comprising an antenna for exchanging radio frequency signals |
| CN2891322Y (en) * | 2006-03-14 | 2007-04-18 | 番禺得意精密电子工业有限公司 | Antenna |
| CN101102011A (en) * | 2007-07-12 | 2008-01-09 | 上海交通大学 | Coplanar wave guide feedback broadband circle polarized millimeter wave plane gap antenna |
| CN201130706Y (en) * | 2007-12-03 | 2008-10-08 | 富士康(昆山)电脑接插件有限公司 | Tabletop computer host |
| CN101697380A (en) * | 2009-10-09 | 2010-04-21 | 清华大学 | Dual-polarized built-in slot antenna used for mobile terminal of wireless local area network |
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| Publication number | Publication date |
|---|---|
| CN101847214A (en) | 2010-09-29 |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181221 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |