CN2899140Y - Antenna structure - Google Patents
Antenna structure Download PDFInfo
- Publication number
- CN2899140Y CN2899140Y CN 200520127938 CN200520127938U CN2899140Y CN 2899140 Y CN2899140 Y CN 2899140Y CN 200520127938 CN200520127938 CN 200520127938 CN 200520127938 U CN200520127938 U CN 200520127938U CN 2899140 Y CN2899140 Y CN 2899140Y
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- Prior art keywords
- radiation
- arm
- signal
- department
- grounding parts
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- Expired - Lifetime
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Abstract
The utility model relates to an antenna structure in order to solve the problems of prior art such as high antenna component cost and unstable antenna characteristic, which contains a grounding part, a connecting part and a radiation part, wherein, the grounding part defines a first and second sides; the connecting part is disposed at the second side of the grounding part and extends for an appropriate height; the radiation part is connected with the top of the connecting part and opposites to the grounding part; the radiation part also has a first side and a second side being respectively opposite to the first side and the second side of the grounding part; at the appropriate part of the first side of the radiation part is formed a sheet-like signal feed-in end, while at the appropriate part of the first side of the grounding part is formed a sheet-like signal grounding end, thereby making the signal feed-in end and the signal grounding end electrically connected with a feed line. With the composition of the above members, the connecting part, the signal feed-in end, the signal grounding end the feed line jointly form a two-way supporting mechanism to improve the rigidity of the radiation part, thereby making the antenna possess stable electric characteristics.
Description
Technical field
The utility model relates to a kind of antenna structure, and particularly a kind of connecting portion of antenna and signal feed side, signal earth terminal and feeder line constitute the two-way mechanism of propping up altogether, can promote the rigidity of Department of Radiation and impels antenna to have stable electrical characteristic.
Background technology
Antenna is in the field of wireless telecommunications, assembly of the utmost importance for signal transmission and reception, the concern quality of communication of the electrical characteristic of antenna, and antenna is the miniaturization day by day of arranging in pairs or groups, the transmission characteristic of the electronic equipment performance wireless telecommunications of thin typeization, therefore the dealer researches and develops the demand that the antenna that has more miniaturization satisfies electronic equipment invariably, so the generation of PIFA (Planar Inverted F-Antenna) antenna is arranged, because the radiation field shape of this kind of antenna is good, and it is simple in structure, make simple and easy, and the length of antenna only needs 1/4th of wavelength, so the PIFA antenna meets the market demand of miniaturization and cost degradation.
What Fig. 1 showed is first kind of existing P IFA antenna, it is the top planar junction unification short circuit brace 31 by a shielded metal plate 2, a signal radiant panel 32 of a suitable length is extended on its top towards a side, for preventing that this signal radiant panel 32 from descending compressive strain because of gravity or external force relation and influencing the electrical characteristic of antenna, should existing PIFA antenna still needing adds the supporting pad 5 that an insulating material makes at signal radiant panel 32 end face and shielded metal plate 2 top interplanars and is supported, and then causes the increase of the assembly cost of this existing PIFA antenna and assembly cost and do not meet economic benefit.
Fig. 2 is shown as second kind of existing P IFA antenna, the minor face 224 of its radiation assembly and feed-in pin 226 are at the same side on ground plane 24 and long limit 222, so cause another side on long limit 222 of radiation assembly unsettled and do not have any support, if long limit 222 has gravity or external force to concern and compressive deformation slightly, can influence the overall permanence of antenna equally, and the ground wire 34 of the signal transmssion line 30 of existing second kind of PIFA antenna is directly to be welded on the ground plane 24, the skew of the size and location of its solder joint, the impedance matching that also can influence antenna changes, and causes antenna performance to be subjected to bad influence.
The utility model content
First purpose of the present utility model, be to provide a kind of antenna structure, its in the connecting portion of antenna in the second side of grounding parts and connect the relative second side of Department of Radiation, form in addition the signal earth terminal and the signal feed side of sheet respectively by the first side of grounding parts and the relative first side of Department of Radiation, and with the feeder line electrically connect, and then structure one two-way mechanism of propping up Department of Radiation altogether, can promote the rigidity of Department of Radiation and impel antenna to have stable electrical characteristic.
Second purpose of the present utility model, utilize signal feed side and signal earth terminal to be divided into the demihull shape setting, the off normal not so that the solid welding position of feeder line is determined, spot size are confined to connect in the particular area of each plates and finish, and then the overall permanence of stabilized antenna more.
The 3rd purpose of the present utility model, utilize connecting portion and signal feed side and signal earth terminal not in the same side of antenna, so that the position of antenna assemblies of the present utility model in electronic equipment will be more in flexibly, and the parts that are easy to avoid electronic equipment internal interfere, and then reach the Practical Benefit of easily assembled and anti-parts potato masher antenna characteristic.
For reaching above-mentioned purpose, antenna structure of the present utility model, it comprises: a grounding parts defines first and second side; A junction is positioned at the second side of grounding parts and extends upward suitable height; One Department of Radiation, with connecting portion top connection and relative with grounding parts, this Department of Radiation has first and second radiation arm, and it is relative with the first side of grounding parts to make Department of Radiation define the first side, and the second side is relative with the second side of grounding parts, the appropriate position of this Department of Radiation first side, form a signal feed side, the appropriate position of this grounding parts first side forms a signal earth terminal again, so that signal feed side and signal earth terminal and feeder line electrically connect.
Adopt said structure, the connecting portion of antenna is located at the second side of grounding parts and connects the relative second side of Department of Radiation, form in addition the signal earth terminal and the signal feed side of sheet respectively by the first side of grounding parts and the relative first side of Department of Radiation, and with the feeder line electrically connect, and then structure one two-way mechanism of propping up Department of Radiation altogether, can promote the rigidity of Department of Radiation and impel antenna to have stable electrical characteristic.
Description of drawings
Fig. 1 is the stereo appearance figure of first kind of existing PIFA antenna.
Fig. 2 is the stereo appearance figure of second kind of existing PIFA antenna.
Fig. 3 is a stereo appearance figure of the present utility model
Fig. 4 is the floor map of facing of the present utility model.
Fig. 5 is a top plan schematic view of the present utility model.
Fig. 6 is the stereo appearance figure of another preferred embodiment of the utility model.
Fig. 7 is the floor map of facing of another preferred embodiment of the utility model.
Fig. 8 is the top plan schematic view of another preferred embodiment of the utility model.
Embodiment
Further understand and understanding existing detailed description the in detail in conjunction with the accompanying drawings as the back for ease of having to the purpose of this utility model, feature and effect:
As shown in Figure 3, Figure 4, the utility model provides a kind of antenna structure, and it comprises:
One grounding parts 40 defines first and second side 41,42;
A junction 50 is positioned at the second side 42 of grounding parts 40 and extends upward suitable height;
One Department of Radiation 60, with connecting portion 50 tops connection and relative with grounding parts 40, it is relative with the first side 41 of grounding parts 40 that this Department of Radiation 60 has first side 601, and second side 602 is relative with the second side 42 of grounding parts 40;
Wherein, this Department of Radiation 60 is positioned at the appropriate position of first side 601, form a sheet of signal feed side 603, this grounding parts 40 is positioned at the appropriate position of first side 41 again, form a sheet of signal earth terminal 604, so that signal feed side 603 and signal earth terminal 604 and feeder line 70 electrically connects, wherein feeder line 70 can adopt coaxial feeder, its inner core 71 and signal feed side 603 electrically connects, wire sheathing 72 and signal earth terminal 604 electrically connects.
As Fig. 3, shown in Figure 5, a kind of antenna structure of the present utility model, wherein this Department of Radiation 60 is to form the first short radiation arm 61 of length by signal feed side 603 towards a side, with as first working band, form the second long radiation arm 62 of length by signal feed side 603 towards opposite side in addition, with as second working band, this second radiation arm 62 comprises by 603 extended first support arms 621 in signal feed side, its terminal turning point 622 that forms, extend to form again that in addition second support arm 623 and first radiation arm 61 and first support arm 621 are adjacent, so that turning point 622 links with connecting portion 50 tops, the free end of this second support arm 623 protrudes in the free end of first radiation arm 61 again, and be bent to form matrix portion 624 continuously, so that first radiation arm 61, first support arm 621 and second support arm 623, form inverted L shape slotted eye 625 between the matrix portion 624, this is first years old, second radiation arm 61,62 size by its predetermined operating frequency decision (for example: the length of radiation arm be about operation wavelength 1/4).
A kind of antenna structure of the present utility model, wherein second width of cloth is penetrated the matrix portion 624 of arm 62, also can extend into linearity with second support arm, 623 one.
Now utilize above-mentioned structure, to do a comparative analysis as follows with existing technology:
The shortcoming of prior art:
One, the existing PIFA antenna of Fig. 1, signal radiant panel 32 need add a supporting pad 5 in addition.
1. easily cause the cost consumption problem that package count increases and assembling procedure increases.
2. signal transmssion line 4 is difficult for determining with the link position of signal radiant panel 32, and spot size is wayward and influence the electrical characteristic of antenna.
Two, existing P IFA antenna among Fig. 2, the minor face 224 of radiation assembly and feed-in pin 226 are at the same side on ground plane 24 and long limit 222.
1. the long limit 222 that easily causes radiation assembly is unsettled and be easy to compressive deformation and influence the electrical characteristic of antenna.
The ground wire 34 of signal transmssion line 30 be direct solid welding on ground plane 24, the position of its solder joint and the wayward and easy skew of size are so cause the impedance matching of antenna to change and make antenna characteristics be subjected to bad influence.
Advantage of the present utility model:
1. two of Department of Radiation 60 sides cooperate the feeder lines 70 formed two-way mechanism of propping up to be supported by connecting portion 50 and signal feed side 603 and signal earth terminal 604 respectively, therefore do not need additionally to add existing supporting pad, can promote the rigidity of Department of Radiation, the drift that can prevent antenna deformation and produce antenna performance, integral body is impelled antenna to have stable electrical characteristic and is reduced cost.
2. signal feed side 603 and signal earth terminal 604 can be the plates setting, when feeder line 70 links with signal feed side 603 and signal earth terminal 604, the signal feed side 603 and the signal earth terminal 604 that promptly impel former branch to be arranged are connected to become structure body altogether by feeder line 70, so Department of Radiation 60 promptly obtains a support effect with respect to the first side 41 of grounding parts 40, and cooperate the connecting portion 50 of another subtend side and form two-way supporting mechanism, effectively promote the rigidity of Department of Radiation 60.
3. signal feed side 603 and signal earth terminal 604, can be the plates setting, so that feeder line 70 is during with its electrically connect, the position that can guarantee solder joint is determined, spacing and non-migration, and the size of solder joint also can be controlled in the region area of plates, so promote the electrical characteristic of antenna more, this effect is promoted the single feed-in pin that has the PIFA antenna now for Fig. 2 and can't be reached, the utility model meets the legal important document of progressive, and is most obvious.
As Fig. 6, shown in Figure 7, another preferred embodiment of the utility model antenna structure, it comprises:
One grounding parts 80 defines first and second side 801,802;
A junction 81 is positioned at the second side 802 of grounding parts 80 and extends upward suitable height;
One Department of Radiation 90, with connecting portion 81 tops connection and relative with grounding parts 80, it is relative with the first side 801 of grounding parts 80 that this Department of Radiation 90 has first side 901, and second side 902 is relative with the second side 802 of grounding parts 80, wherein, this Department of Radiation 90 is positioned at the appropriate position of first side 901, can form a sheet of signal feed side 903, this grounding parts 80 is positioned at the appropriate position of first side 801 again, can form a sheet of signal earth terminal 803, so that signal feed side 903 and signal earth terminal 803 and feeder line 70 electrically connects, wherein feeder line 70 can adopt coaxial feeder, its inner core 71 and signal feed side 903 electrically connects, wire sheathing 72 and signal earth terminal 803 electrically connects.
As Fig. 6, shown in Figure 8, another preferred embodiment of the utility model antenna structure, wherein this Department of Radiation 90 is to be transferred towards two sides by an end of first linking arm 901 to connect first radiation arm 92 and second linking arm 93, so that first radiation arm 92 and second linking arm 93 constitute a wire lamellar body altogether, and second linking arm, 93 ends are linked with connecting portion 81 tops, and by between the end of free end to the first linking arm 91 of first radiation arm 92 as first working band, other forms second radiation arm 94 of a length than first radiation arm, 92 length in the end in addition of first linking arm 91 towards side turnover, it is relative with second linking arm 93, and the end of second radiation arm 94 forms a lug body 95 towards side turnover, so that form L shaped slotted eye 96 between second linking arm 93 and second radiation arm 94, this second radiation arm 94 is as second working band, again in first linking arm, 91 ends and second radiation arm, 94 junction, the bearing of trend that is in reverse to second radiation arm 94 forms signal feed side 903, the first side 801 and signal feed side 903 opposite positions of grounding parts 80, form signal earth terminal 803, the two is with feeder line 70 electrically connects, first, two radiation arms 92,94 size by its predetermined operating frequency decision (for example: the length of radiation arm be about wavelength 1/4th).
A kind of antenna structure of the present utility model, the lug bodies 95 that form of the terminal turnover of second radiation arm 94 wherein, also can be one-body molded with second radiation arm 94 be linearity.
In sum, preamble is at technical characterictic of the present utility model, carries out specific description by preferred embodiment; But the personage who is familiar with this technology is when can changing and revise not breaking away under spirit of the present utility model and the principle, and these changes with revise, the obvious claims that all should contain the application define in the category.
Claims (6)
1, a kind of antenna structure, it comprises:
One grounding parts defines first and second side;
A junction is positioned at the second side of grounding parts and extends upward;
One Department of Radiation, connect with the connecting portion top and relative with grounding parts, this Department of Radiation has first and second radiation arm, and it is relative with the first side of grounding parts to make Department of Radiation define the first side, and the second side is relative with the second side of grounding parts, it is characterized in that:
On this Department of Radiation first side, form a signal feed side, on this grounding parts first side, form a signal earth terminal again, so that signal feed side and signal earth terminal and feeder line electrically connect.
2, antenna structure as claimed in claim 1 is characterized in that:
The a sheet of signal of this Department of Radiation tool feed side, this grounding parts forms a sheet of signal earth terminal again, so that signal feed side and signal earth terminal and feeder line electrically connect.
3, antenna structure as claimed in claim 1, it is characterized in that: this Department of Radiation is to form the first short radiation arm of length by the signal feed side towards a side, with as first working band, form the second long radiation arm of length by the signal feed side towards opposite side in addition, with as second working band, this second radiation arm comprises by extended first support arm in signal feed side, its terminal turning point that forms, it is adjacent to extend to form second support arm and first radiation arm and first support arm again, so that turning point and connecting portion top link, the free end of this second support arm protrudes in the free end of first radiation arm again, and be bent to form matrix portion continuously, so that first radiation arm, first support arm and second support arm, form the inverted L shape slotted eye between the matrix portion.
4, antenna structure as claimed in claim 3 is characterized in that: second width of cloth is penetrated the matrix portion of arm, also can extend into linearity with the second support arm one.
5, antenna structure as claimed in claim 1, it is characterized in that: this Department of Radiation is to be transferred towards two sides by an end of first linking arm to connect first radiation arm and second linking arm, so that first radiation arm and second linking arm constitute a wire lamellar body altogether, and second linking arm end and connecting portion top are linked, and by between the end of free end to the first linking arm of first radiation arm as first working band, end in addition in first linking arm forms second radiation arm of a length than the first radiation brachium towards side turnover in addition, it is adjacent with second linking arm, and the end of second radiation arm forms a lug body towards side turnover, so that form L shaped slotted eye between second linking arm and second radiation arm, this second radiation arm is as second working band, again in the first linking arm end and the second radiation arm junction, the bearing of trend that is in reverse to second radiation arm forms the signal feed side, the first side of grounding parts and signal feed side opposite position, form the signal earth terminal, the two is with the feeder line electrically connect.
6, a kind of antenna structure as claimed in claim 5 is characterized in that the lug body that the terminal turnover of second radiation arm forms, can be one-body molded with second radiation arm be linearity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520127938 CN2899140Y (en) | 2005-09-28 | 2005-09-28 | Antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520127938 CN2899140Y (en) | 2005-09-28 | 2005-09-28 | Antenna structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2899140Y true CN2899140Y (en) | 2007-05-09 |
Family
ID=38074473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520127938 Expired - Lifetime CN2899140Y (en) | 2005-09-28 | 2005-09-28 | Antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2899140Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683801A (en) * | 2011-03-18 | 2012-09-19 | 旭丽电子(广州)有限公司 | Small-sized short-circuited planar antenna |
| CN103337693A (en) * | 2013-06-05 | 2013-10-02 | 青岛歌尔声学科技有限公司 | An adjustable multiband antenna and a debugging method |
| CN103811853A (en) * | 2012-11-14 | 2014-05-21 | 仁宝电脑工业股份有限公司 | multi-frequency antenna |
| CN104995795A (en) * | 2013-02-22 | 2015-10-21 | 原田工业株式会社 | Inverted-F antenna, and on-board composite antenna device |
| CN109860977A (en) * | 2018-12-03 | 2019-06-07 | 惠州Tcl移动通信有限公司 | A kind of communication terminal and its antenna structure |
-
2005
- 2005-09-28 CN CN 200520127938 patent/CN2899140Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683801A (en) * | 2011-03-18 | 2012-09-19 | 旭丽电子(广州)有限公司 | Small-sized short-circuited planar antenna |
| CN103811853A (en) * | 2012-11-14 | 2014-05-21 | 仁宝电脑工业股份有限公司 | multi-frequency antenna |
| CN104995795A (en) * | 2013-02-22 | 2015-10-21 | 原田工业株式会社 | Inverted-F antenna, and on-board composite antenna device |
| CN103337693A (en) * | 2013-06-05 | 2013-10-02 | 青岛歌尔声学科技有限公司 | An adjustable multiband antenna and a debugging method |
| CN103337693B (en) * | 2013-06-05 | 2015-04-22 | 青岛歌尔声学科技有限公司 | An adjustable multiband antenna and a debugging method |
| CN109860977A (en) * | 2018-12-03 | 2019-06-07 | 惠州Tcl移动通信有限公司 | A kind of communication terminal and its antenna structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |