CN202503103U - Multiband antenna - Google Patents
Multiband antenna Download PDFInfo
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- CN202503103U CN202503103U CN2012201281371U CN201220128137U CN202503103U CN 202503103 U CN202503103 U CN 202503103U CN 2012201281371 U CN2012201281371 U CN 2012201281371U CN 201220128137 U CN201220128137 U CN 201220128137U CN 202503103 U CN202503103 U CN 202503103U
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- plane
- branch
- leg
- connecting portion
- antenna
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Abstract
The utility model relates to an antenna, which includes a feed connection part; a grounding connection part, which is located at a position adjacent to and basically parallel to the feed connection part; and a zigzag radiating element, which is adjacent to the grounding connection part and includes a first branch and a second branch, with the second branch including an open-ended stub extending from it.
Description
Technical field
The utility model relates generally to antenna, and relates more specifically to be used for the antenna of radio communication device.
Background technology
We think that following american documentation literature has provided current prior art:
United States Patent (USP): 7,230,571 and 7,369,828.
The utility model content
The utility model aims to provide a kind of improved compact multiband antenna that is used for radio communication device.
Thus,, a kind of antenna is provided, comprises: present connecting portion according to the preferred implementation of the utility model; The ground connection connecting portion, it is positioned to be close to and is basically parallel to presents connecting portion; And tortuous radiant element, its with the ground connection connecting portion in abutting connection with and comprise that first branch and second branch, this second branch comprise from the open end suspension column of second branch extension.
Preferably, present connecting portion, ground connection connecting portion and tortuous radiant element and comprise single structure.
Preferably, first branch comprises the added branch sections.
According to the preferred implementation of the utility model, the radiation in high frequency band of first branch, the radiation in low-frequency band at least of second branch.
Preferably, high frequency band comprises DCS 1710-1880MHz, PCS 1850-1990MHz and WCDMA1 1920-2170MHz.
Preferably, low-frequency band comprises 880-960MHz.
Preferably, second branch radiation harmonically in high frequency band.
Preferably, high frequency band comprises DCS 1710-1880MHz, PCS 1850-1990MHz and WCDMA1 1920-2170MHz.
According to the utility model another preferred embodiment, antenna is formed by the nickel plating stainless steel.
Preferably, antenna is by bearing bracket.
According to the utility model another preferred embodiment; The ground connection connecting portion with present connecting portion and comprise first leg and second leg respectively; First leg is arranged in first plane; Second leg and coplane and first weak point straight partly be connected to first leg through be arranged in first plane parallel with first leg, first leg and second leg are vertically crooked to terminate in second plane with respect to first plane.
Preferably, first branch of tortuous radiant element comprises: elongated second portion, and its intermediate point from first leg vertically extends, and this second portion is arranged in first plane; The 3rd short straight part, itself and second portion adjacency, coplane and vertical; And the 4th part, its with third part in abutting connection with and vertical and terminate in the round corner section of bending vertically, this round corner section drops in the 3rd plane through ladder configuration, the 3rd plane acutangulates with respect to first plane.
Preferably, second branch of tortuous radiant element comprises: the 5th short straight part, itself and the 4th part adjacency and coplane; The 6th part, its with the 5th part in abutting connection with and vertical and be arranged in the 3rd plane; The 7th part, itself and the 6th part adjacency and vertical; The 8th elongated part, itself and the 7th part adjacency and vertical; The 9th short straight part, itself and the 8th part adjacency and vertical; The tenth part; Itself and Session 9 adjacency; The tenth part comprises the first short straight section, second round corner section and the 3rd section of extending from the tip of second round corner section; This first short straight section is arranged in the face with respect to acutangulate Siping City, the 3rd plane, and this second round corner section is arranged in respect to acutangulate the 5th plane of Siping City's face and first plane, and the 3rd section is arranged in the 5th plane and acutangulates with respect to second section; The 11 fan-shaped part, itself and the 3rd section adjacency also are arranged in Siping City's face; And the 12 notch part; Itself and the tenth part in abutting connection with and be arranged in the 6th plane; The 6th plane acutangulates with Siping City's face with respect to the 3rd plane and is vertical with respect to first plane; The 12 part comprises the first straight sections and the second straight sections, and the second straight sections is parallel to first sections and separates through the recess and first sections, first sections by conllinear extrude to form the open end suspension column.
Description of drawings
To more fully understand and understand the utility model through the detailed description carried out below in conjunction with accompanying drawing, in the accompanying drawings:
Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D are respectively perspective view, vertical view, upward view and the end views according to the simplification of the antenna of preferred implementation structure that the utility model is arranged and operation.
Embodiment
Referring now to Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D, wherein, Figure 1A, Figure 1B, Fig. 1 C and Fig. 1 D are respectively perspective view, vertical view, upward view and the end views according to the simplification of the antenna of preferred implementation structure of the utility model and operation.
Like finding among Figure 1A-1D, the antenna 100 that is preferably supported by carriage 102 is provided.Antenna 100 comprises ground connection connecting portion 104 and presents connecting portion 106, and this is presented connecting portion 106 and preferably is positioned to be close to and be basically parallel to ground connection connecting portion 104, like finding the most clearly in Fig. 1 C.Ground connection connecting portion 104 is presented connecting portion 106 preferably suitable for being connected to antenna feed port (not shown) preferably suitable for being connected to the ground area on the printed circuit board (PCB) (PCB).Ground connection connecting portion 104 preferably with present connecting portion 106 and separate through gap 108, the gravel size decision ground in this gap 108 influences the impedance matching of antenna 100 for radio frequency (RF) source.Preferably, the size in gap 108 is selected to the RF source coupling that makes antenna 100 and 50 ohm.Yet, being appreciated that operation requirement according to antenna 100, the size in gap 108 alternately is chosen to make antenna 100 and other input impedance matching.
Tortuous radiant element 110 preferably is arranged to and ground connection connecting portion 104 adjacency.Tortuous radiant element 110 preferably includes first radiation branch 112 and second radiation branch 114.The special characteristic of the preferred implementation of the utility model is that open end suspension column (open-ended stub) 116 preferably is arranged to extend from second radiation branch 114.The existence of open end suspension column 116 is used to distribute electric current and therefore reduces the current density along second radiation branch 114, relaxes the influence of hand effect for the operation of antenna 100 thus.
Another special characteristic of the preferred implementation of the utility model is, compactly designed regardless of radiant element 110, and it can both carry out radiation in four frequency bands.Therefore, antenna 100 four frequency-band antennas that can be used as highly compact are operated.
Be appreciated that; Although from the purpose of function of describing ground connection connecting portion 104, presenting connecting portion 106 and comprise the radiant element 100 of first radiation branch 112 and second radiation branch 114; Ground connection connecting portion 104, present connecting portion 106 and comprise that the radiant element 100 of first radiation branch 112 and second radiation branch 114 distinguishes at this, but they preferably form the single-piece conducting structure.
In the operation of antenna 100; First branch 112 of radiant element 110 is preferably as the high frequency band radiant element; Resonance in DCS, PCS and WCDMA1 frequency band preferably; And second branch 114 of radiant element 110 is preferably as low-frequency band radiant element, preferably resonance in GSM 900 frequency bands.In addition, the length of second branch 114 is selected such that second branch 114 can radiation harmonically in DCS, PCS and WCDMA1 frequency band.Be appreciated that antenna 100 constitutes four frequency-band antennas thus, it can be operated in GSM (880-960MHz), DCS (1710-1880MHz), PCS (1850-1990MHz) and WCDMA1 (1920-2170MHz) frequency band.
The bandwidth of antenna 100 in GSM 900, DCS, PCS and WCDMA1 frequency band preferably receives ground connection connecting portion 104 and presents the influence of the size in the gap 108 between the connecting portion 106.
Resonance frequency in DCS and the PCS frequency band preferably receives the influence of the existence of added branch sections 124, and this added branch sections 124 preferably extends from first branch 112.Resonance frequency in DCS and the PCS frequency band is tended to increase along with the shortening of the length of branch 124.
Preferably the nickel plating stainless sheet steel of golden coating forms antenna 100 by having optionally.Alternately, antenna 100 can be formed through suitable method well known in the prior art by any other material with suitable conductive performance.Carriage 102 is preferably formed by Merlon, and can be used as example, and its length is about 53.3mm, and width is about 16.4mm, and thickness is about 7.1mm.Yet, be appreciated that the size of antenna 100 and carriage 102 can change according to the designing requirement of host apparatus.
According to the utility model especially preferred embodiment, antenna 100 comprises second leg 132 of first leg (prong) 130 that is arranged in first plane and and coplane parallel with first leg 130, like finding the most clearly in Figure 1A.First leg 130 links to each other by means of the first short straight part 134 with second leg 132, and this first 134 is perpendicular to first leg 130 and second leg 132 and be arranged in first plane.First leg 130 and second leg 132 are vertically crooked with respect to first plane, and terminating in second plane, this second plane parallel is in first plane and from first planar offset, like finding the most clearly in Fig. 1 C.
The said structure of first leg 130 and second leg 132 are corresponding ground connection connecting portions 104 with present connecting portion 106 especially preferred embodiment.
Elongated second portion 136 vertically extends from the intermediate point 138 of first leg 130.Second portion 136 is arranged in first plane, and vertically crooked to form the 3rd short straight coplanar portions 140.Third part 140 is then vertically crooked along the direction that is parallel to second portion 136, to form the 4th part 142.The 4th part 142 terminates in vertically crooked round corner section 144, and this round corner section 144 drops in the 3rd plane through ladder configuration 146, and the 3rd plane acutangulates with respect to first plane, like finding the most clearly in Figure 1A.
The said structure of second portion 136 and third part 140 be radiant element 110 first branch 112 especially preferred embodiment.The said structure of the 4th part 142 be branch 124 especially preferred embodiment.
Be back to of the terminating point 150 conllinear ground appearance of second portion 140, the five short straight parts 148 from second portion 140.The 5th part 148 drops in the 3rd plane, and vertically crooked along the direction that is parallel to the 4th part 142 subsequently, to form the 6th part 152.The 7th part 154 is vertically extended from the 6th part 152.The 7th part 154 is vertically crooked to form the 8th elongated part 156.The 9th short straight part 158 vertically extends to the 8th part 156 along the direction towards first 134.Session 9 158 is vertically crooked to form the tenth part 160.The tenth part 160 comprises that the first short straight section 162 and second round corner section, 164, the first short straight sections 162 are arranged in the face with respect to acutangulate Siping City, the 3rd plane, and second round corner section 164 is arranged in respect to acutangulate the 5th plane of Siping City's face and first plane.The 3rd section 166 tip 168 from second round corner section 164 occurs.Be arranged in the 5th plane, and acutangulate for the 3rd section 166 with respect to second section 164.
The 11 fan-shaped part 170 occurs from the 3rd section 166.The tenth part 170 is arranged in Siping City's face, and terminates in the 12 notch part 172.The 12 part 172 is arranged in the 6th plane, and the 6th plane acutangulates with respect to the 3rd plane and Siping City's face, and vertical with respect to first plane.Like finding the most clearly in Fig. 1 D, the 12 part 172 comprises the first straight sections 174 and the second straight sections 176 that is parallel to first sections 174.First sections 174 and second sections 176 are separated through recess 178.The end of first sections 174 by conllinear extrude, to form open suspension column 180.
The said structure of the 5th-Di 12 part 148-172 be radiant element 110 second branch 114 especially preferred embodiment.The said structure of the suspension column of extruding 180 be open end suspension column 116 especially preferred embodiment.
It will be appreciated by those skilled in the art that the utility model does not receive hereinafter the restriction of the scheme of special demands protection.But the scope of the utility model comprises hereinbefore the various combinations and the sub-combinations thereof of the characteristic of describing, and those skilled in the art with reference to the above-mentioned specification of advantages the time, will expect and in the prior art the improvement and the modification of characteristic not.
Claims (13)
1. antenna comprises:
Present connecting portion;
The ground connection connecting portion, said ground connection connecting portion is positioned to be close to and is basically parallel to the said connecting portion of presenting; And
Tortuous radiant element, the radiant element of said complications and said ground connection connecting portion adjacency also comprise that first branch and second branch, said second branch comprise the open end suspension column that extends from said second branch.
2. antenna according to claim 1, wherein, the said radiant element of presenting connecting portion, said ground connection connecting portion and said complications comprises single structure.
3. according to claim 1 or the described antenna of claim 2, wherein, said first branch comprises the added branch sections.
4. antenna according to claim 1, wherein, the radiation in high frequency band of said first branch, the radiation in low-frequency band at least of said second branch.
5. antenna according to claim 4, wherein, said high frequency band comprises DCS 1710-1880MHz, PCS 1850-1990MHz and WCDMA1 1920-2170MHz.
6. antenna according to claim 4, wherein, said low-frequency band comprises GSM 880-960MHz.
7. antenna according to claim 4, wherein, the radiation harmonically in said high frequency band of said second frequency band.
8. antenna according to claim 7, wherein, said high frequency band comprises DCS 1710-1880MHz, PCS 1850-1990MHz and WCDMA1 1920-2170MHz.
9. antenna according to claim 1, wherein, said antenna is formed by the nickel plating stainless steel.
10. antenna according to claim 1, wherein, said antenna is by bearing bracket.
11. antenna according to claim 1; Wherein, Said ground connection connecting portion and the said connecting portion of presenting comprise first leg and second leg respectively, and said first leg is arranged in first plane, and said second leg and coplane parallel with said first leg also is connected to said first leg through the first short straight part that is arranged in said first plane; Said first leg and said second leg are vertically crooked with respect to said first plane, so that terminate in second plane.
12. antenna according to claim 11, wherein, said first branch of the radiant element of said complications comprises:
Elongated second portion, said second portion vertically extends from the intermediate point of said first leg, and said second portion is arranged in said first plane;
The 3rd short straight part, the said the 3rd short straight part and said second portion adjacency, coplane and vertical; And
The 4th part, said the 4th part and said third part in abutting connection with and vertical and terminate in the round corner section of bending vertically, said round corner section drops in the 3rd plane through ladder configuration, said the 3rd plane acutangulates with respect to said first plane.
13. antenna according to claim 12, wherein, said second branch of the radiant element of said complications comprises:
The 5th short straight part, the said the 5th short straight part and said the 4th part adjacency and coplane;
The 6th part, said the 6th part and said the 5th part in abutting connection with and vertical and be arranged in said the 3rd plane;
The 7th part, said the 7th part and said the 6th part adjacency and vertical;
The 8th elongated part, said the 8th part and said the 7th part adjacency and vertical;
The 9th short straight part, the said the 9th short straight part and said the 8th part adjacency and vertical;
The tenth part; Said the tenth part and said Session 9 adjacency and vertical; Said the tenth part comprises the first short straight section, second round corner section and the 3rd section of extending from the tip of said second round corner section; The said first short straight section is arranged in the face with respect to acutangulate Siping City, said the 3rd plane, and said second round corner section is arranged in respect to acutangulate the 5th plane of said Siping City face and said first plane, and said the 3rd section is arranged in said the 5th plane and acutangulates with respect to said second section;
The 11 fan-shaped part, the said the 11 fan-shaped part is with said the 3rd section adjacency and be arranged in said Siping City face; And
The 12 notch part; Said the 12 notch part and said the tenth part adjacency also are arranged in the 6th plane; Said the 6th plane acutangulates with said Siping City face with respect to said the 3rd plane and is vertical with respect to said first plane; Said the 12 part comprises the first straight sections and the second straight sections, and the said second straight sections is parallel to said first sections and separates through recess and said first sections, said first sections by conllinear extrude to form said open end suspension column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201281371U CN202503103U (en) | 2012-03-29 | 2012-03-29 | Multiband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201281371U CN202503103U (en) | 2012-03-29 | 2012-03-29 | Multiband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503103U true CN202503103U (en) | 2012-10-24 |
Family
ID=47039709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201281371U Expired - Fee Related CN202503103U (en) | 2012-03-29 | 2012-03-29 | Multiband antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503103U (en) |
-
2012
- 2012-03-29 CN CN2012201281371U patent/CN202503103U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20160329 |