CN201689983U - Miniaturized antenna structure - Google Patents
Miniaturized antenna structure Download PDFInfo
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- CN201689983U CN201689983U CN2010202227318U CN201020222731U CN201689983U CN 201689983 U CN201689983 U CN 201689983U CN 2010202227318 U CN2010202227318 U CN 2010202227318U CN 201020222731 U CN201020222731 U CN 201020222731U CN 201689983 U CN201689983 U CN 201689983U
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Abstract
The utility model discloses a miniaturized antenna structure, which comprises a medium base plate provided with a first surface and a second surface, wherein a first antenna route is arranged on the first surface, and a second antenna route is arranged on the second surface; the first antenna route comprises a first main route, a first branch route extending respectively towards both sides from the tail end of the first main route, and a first branch arm part extending towards the first direction from the tail end of the first branch route, wherein the first branch arm part is provided with at least one first branch arm antenna bending section; the second antenna route comprises a second main route corresponding to the first main route, a second branch route extending respectively towards both sides from the tail end of the second main route and corresponding to the first branch route, and a second branch arm part extending towards the second direction corresponding to the first direction from the tail end of the second branch route, wherein the second branch arm part is provided with at least one second branch arm antenna bending section. The utility model further reduces the size of the antenna on the premise of ensuring the performance of the antenna so as to make the antenna lighter, thinner, shorter and smaller.
Description
Technical field
The utility model relates to a kind of microminiaturization antenna structure, relates in particular to the microminiaturization antenna structure that a kind of antenna traces is distributed in two surfaces up and down of substrate.
Background technology
Development along with wireless communication technique, electronic product requires more and more higher for the quality of reception of signal, for example notebook computer requires to have the function of wireless transmission, and mobile handsets requires to have global positioning system (GPS) navigation feature or Mobile Communications ability etc.And, more and more miniaturization of electronic product now, electronic product develops toward more compact direction.In this case, the antenna size that is configured in electronic product inside also there is certain requirement, wishes that antenna is the smaller the better.
In addition; the antenna that present each electronic product inside is equipped with only has the single frequency operation ability mostly; development along with market; the user can require the antenna of electronic product configuration can not only have the single frequency operation ability usually, but therefore the antenna of development multiband operation will be the main flow trend of associated electrical product.
Traditional antenna structure is printed in metallic circuit on the surface of circuit board, and forming the array type dipole antenna configuration, it has the operational capacity of multiband and compact.But, in order to make antenna preferable characteristic is arranged, to satisfy the requirement of signal quality, traditional antenna is a kind of array antenna circuit of symmetrical expression, by antenna below feed-in signal, and with the central shaft arrangement of antenna traces according to substrate, and form symmetrical structure.In other words, the entire antenna circuit of traditional antenna all is arranged on the surface of substrate, and therefore, the layout of antenna traces causes the size of substrate itself further to dwindle, and has limited further dwindling of antenna size.
Summary of the invention
The utility model purpose is: at the deficiencies in the prior art, provide a kind of microminiaturization antenna structure, under the prerequisite that guarantees antenna performance, the size of further dwindling antenna makes antenna more compact.
The technical solution of the utility model is: a kind of microminiaturization antenna structure, comprise one have first surface and with the medium substrate of this first surface opposing second surface, described first surface is provided with first antenna-path, and described second surface is provided with second antenna-path; Described first antenna-path comprises: one first main path, by the end of first main path respectively towards the first direction and first individual path that extends in the other direction thereof, and first arm that extends towards first direction by the end of first individual path, wherein said first arm has at least one first support arm antenna bending segment; Described second antenna-path comprises: second main path of described first main path of correspondence, by the end of second main path respectively towards first direction and extend in the other direction and corresponding to second individual path of first individual path, and be second arm that second direction is extended by the end of second individual path in the other direction towards first direction, wherein said second arm has at least one second support arm antenna bending segment.
Further, also be provided with an earth terminal on the first surface of above-mentioned microminiaturization antenna structure, second main path of described earth terminal and described second antenna-path is communicated with.
Further, described earth terminal utilizes metal piercing to be connected on second main path of described second antenna-path, makes the earth terminal and second main path keep being communicated with.
Further, above-mentioned microminiaturization antenna structure also comprises a coaxial line that is used for feed, and the center conductor of described coaxial line connects described first main path, and the external conductor of coaxial line connects described earth terminal.
Further, first main path of above-mentioned microminiaturization antenna structure extends along first direction, extends to form the end of described first main path by first main path kink bending, and described first individual path and the first support arm portion are positioned at a side of first main path.
Further, second main path of above-mentioned microminiaturization antenna structure extends along first direction, extends to form the end of described second main path by second main path kink bending, and described second individual path and the second support arm portion are positioned at a side of second main path.
Further, first main path of above-mentioned microminiaturization antenna structure and second main path are overlapped on the direction perpendicular to the medium substrate plane.
Further, first individual path of above-mentioned microminiaturization antenna structure and second individual path are overlapped on the direction perpendicular to the medium substrate plane.
The utility model has the advantages that:
1. this microminiaturization antenna structure has the dipole antenna circuit of array symmetry, dipole antenna array arrangement architecture is distributed on two surfaces up and down of medium substrate, from antenna traces middle part lead-in signal, antenna traces feed for the medium substrate two sides, saved substrate area, so can dwindle the antenna overall dimensions, not influence the gain characteristic of antenna again;
2. in addition, have bending segment on the antenna traces, with the length of change antenna traces, and then improve antenna performance, the size of further having dwindled antenna makes antenna more compact.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the vertical view of the antenna structure first surface of the utility model embodiment;
Fig. 2 is the vertical view of the antenna structure second surface of the utility model embodiment;
Fig. 3 is the antenna traces perspective diagram of overlooking from first surface of the utility model embodiment.
Wherein: 10 medium substrates; 101 first surfaces; 102 second surfaces; 11 first antenna-path; 110 earth terminals; 111 first main paths; 1,111 first main path kinks; 112 first individual paths; 113 first arms; 1,131 first support arm antenna segment; 1,132 first support arm antenna bending segments; 13 second antenna-path; 131 second main paths; 1,311 second main path kinks; 132 second individual paths; 133 second arms; 1,331 second support arm antenna segment; 1,332 second support arm antenna bending segments; 14 signal feed-in point; 20 coaxial lines; 201 center conductors; 202 external conductors.
Embodiment
Embodiment: as the microminiaturization antenna structure of the present embodiment of Fig. 1～shown in Figure 3, comprise a medium substrate 10, and take shape in first antenna-path 11 on the first surface 101 of medium substrate and be molded over second antenna-path 13 on the second surface 102 of medium substrate.The first surface of medium substrate is two surfaces up and down relative on the medium substrate with second surface.First antenna-path 11 and second antenna-path 13 have the array arrangement architecture of dipole antenna, so can form the circuit of symmetrical aspect, reach the purpose of dwindling antenna size.
Fig. 1 has shown the antenna traces of microminiaturization antenna structure on the first surface 101 of medium substrate.By seeing among the figure, first antenna-path 11 comprises first main path 111, first individual path 112 and first arm 113.Wherein, first individual path 112 is positioned at the end of first main path 111 respectively towards first direction and reciprocal elongated end thereof, and first arm 113 is positioned at the elongated end of the end of first individual path 112 towards first direction.Wherein first direction is the positive direction of principal axis that the long limit of medium substrate 10 is defined, and is parallel with the long side direction of first antenna-path 11, and is that the head end of first antenna-path 11 points to terminal direction.Be specially: first main path 111 extends along first direction, and extend to form the end of this first main path 111 by the first main path kink 1111 to a lateral buckling of first main path 111, first individual path 112 by from the end of first main path 111 towards first direction and the second direction opposite (being positive axis and the negative direction of principal axis that the long limit of medium substrate 10 is defined) with first direction extend to form respectively.First arm 113 is positioned at the elongated end of the end of first individual path 112 towards first direction, first arm 113 is made of several the first support arm antenna segment 1131 and the first support arm antenna bending segment 1132, the first support arm antenna bending segment 1132 is positioned at the junction of two first adjacent support arm antenna segment 1131, makes it constitute V-arrangement.First arm 113 has at least one first support arm antenna bending segment 1132.First arm 113 shown in Fig. 1 is made of two first support arm antenna segment 1131 and one first support arm antenna bending segment 1132.
What deserves to be explained is, owing to adopted the design of the first main path kink 1111 of first main path 111, made first individual path 112 and this first arm 113 all be positioned at a side (upside of first main path 111 shown in Fig. 1) of this first main path 111.
This first antenna-path 11 also comprises the earth terminal 110 on the first surface 101 of being located at medium substrate 11, and its head end corresponding to first main path 111 and first main path is separated by a distance.The head end of the earth terminal 110 and first main path 111 is signal feed-in point 14 positions, the center conductor 201 that is used for a coaxial line 20 of feed is connected in this first main path 111 with FD feed, and 202 of the external conductors of coaxial line 20 are connected in earth terminal 110 to form ground connection.
Fig. 2 has shown the antenna traces of microminiaturization antenna structure on the second surface 102 of medium substrate.By seeing among the figure, described second antenna-path 13 comprises second main path 131, second individual path 132 and second arm 133.Second individual path 132 is positioned at the end of second main path 131 respectively towards first direction and reciprocal elongated end thereof, and second arm 133 is positioned at the elongated end of the end of second individual path 132 towards second direction.Wherein second direction is the rightabout of first direction, i.e. the negative direction of principal axis that defines of the long limit of medium substrate 10.Be specially: second main path 131 extends along first direction, and extend to form the end of this second main path 131 to a lateral buckling of second main path 131 by the second main path kink 1311, second individual path 132 by from the end of second main path 131 towards first direction and second direction (being positive axis and the negative direction of principal axis that the long limit of medium substrate 10 is defined) extend to form respectively, second arm 133 is positioned at the elongated end of the end of second individual path 132 towards second direction.Similar with first arm 13, second arm 133 is made of several the second support arm antenna segment 1331 and the second support arm antenna bending segment 1332, the second support arm antenna bending segment 1332 is positioned at the junction of two second adjacent support arm antenna segment 1331, makes it constitute V-arrangement.Second arm 133 has at least one second support arm antenna bending segment 1332.Second arm 133 shown in Fig. 2 is made of two second support arm antenna segment 1331 and one second support arm antenna bending segment 1332.
Same, owing to adopted the design of the second main path kink 1311 of second main path 131, make second individual path 132 and second arm 133 all be positioned at the side (upside of second main path 131 shown in Fig. 2) of this second main path 131, to reach the effect of dwindling antenna size.
In addition, second main path, 131 to the first main paths 111 are slightly long, be between the length of long edge lengths, earth terminal of first main path and the earth terminal and first main path gapping interval apart from sum.Second main path 131 is communicated with the mode and the earth terminal on the first surface 101 110 of metal piercing.
As shown in Figure 3, when when observing perpendicular to the direction on medium substrate 10 planes, second main path 131 and first main path 111 are to correspondence, promptly on the perspective plane on medium substrate 10 planes, the position of second main path 131 and first main path 111 is overlapped, and the position of the first main path kink 1111 and the second main path kink 1311 is overlapped; First individual path 112 and second individual path 132 are to corresponding, and promptly the position of first individual path 112 and second individual path 132 is overlapped.The antenna traces of in Fig. 3, having represented location overlap with bracket.Because first arm 113 and second arm 133 extend towards first direction and second direction respectively, so first arm 113 and second arm 133 are about the vertical plane symmetry on these medium substrate 10 planes, form the conductive strips of curve-like, the conductive strips of W shape for example shown in Figure 3, these curvilinear conductive strips are symmetrical array arrangement architectures of a kind of dipole antenna.
The utility model is laid in antenna traces on two surfaces of medium substrate 10, and be different from traditional antenna antenna traces is laid in the Zone Full on a surface of medium substrate 10, and then can dwindles the antenna size of half nearly.
The above only is a preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, and all simple conversion of doing according to the utility model claim and description all should still belong to protection range of the present utility model.
Claims (8)
1. microminiaturization antenna structure, comprise have first surface (101) and with the medium substrate (10) of this first surface opposing second surface (102), it is characterized in that: described first surface (101) is provided with first antenna-path (11), and described second surface (102) is provided with second antenna-path (13);
Described first antenna-path (11) comprising: one first main path (111), by the end of first main path (111) respectively towards first direction and first individual path (112) that extends in the other direction thereof, and first arm (113) that extends towards first direction by the end of first individual path (112), described first arm (113) has at least one first support arm antenna bending segment (1132);
Described second antenna-path (13) comprising: second main path (131) of described first main path of correspondence (111), by the end of second main path (131) respectively towards first direction and extend in the other direction and corresponding to second individual path (132) of first individual path (112), and be second arm (133) that second direction is extended by the end of second individual path (132) in the other direction towards first direction, wherein said second arm (133) has at least one second support arm antenna bending segment (1332).
2. according to the microminiaturization antenna structure described in the claim 1, it is characterized in that: also be provided with an earth terminal (110) on the described first surface, second main path (131) of described earth terminal (110) and described second antenna-path (13) is communicated with.
3. according to the microminiaturization antenna structure described in the claim 2, it is characterized in that: described earth terminal (110) utilizes metal piercing to be communicated in second main path (131) of described second antenna-path (13).
4. according to the microminiaturization antenna structure described in the claim 2, it is characterized in that: also comprise a coaxial line (20), the center conductor of described coaxial line (201) connects described first main path (111), and the external conductor of coaxial line (202) connects described earth terminal (110).
5. according to the microminiaturization antenna structure described in the claim 2, it is characterized in that: described first main path (111) extends along first direction, extend to form the end of described first main path by the first main path kink (1111) bending, and described first individual path (112) and first arm (113) are positioned at a side of first main path (111).
6. according to the microminiaturization antenna structure described in the claim 2, it is characterized in that: described second main path (131) extends along first direction, extend to form the end of described second main path by the second main path kink (1311) bending, and described second individual path (132) and second arm (133) are positioned at a side of second main path (131).
7. according to the microminiaturization antenna structure described in the claim 2, it is characterized in that: described first main path (111) and second main path (131) position on perpendicular to the direction on medium substrate (10) plane is overlapped.
8. according to the microminiaturization antenna structure described in the claim 7, it is characterized in that: described first individual path (112) and second individual path (132) position on perpendicular to the direction on medium substrate (10) plane is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202227318U CN201689983U (en) | 2010-06-11 | 2010-06-11 | Miniaturized antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202227318U CN201689983U (en) | 2010-06-11 | 2010-06-11 | Miniaturized antenna structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689983U true CN201689983U (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202227318U Expired - Fee Related CN201689983U (en) | 2010-06-11 | 2010-06-11 | Miniaturized antenna structure |
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| Country | Link |
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| CN (1) | CN201689983U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362434A (en) * | 2014-12-03 | 2015-02-18 | 成都英力拓信息技术有限公司 | Dipole antenna structure |
| CN108493584A (en) * | 2018-04-26 | 2018-09-04 | Oppo广东移动通信有限公司 | Housing unit, antenna module and electronic equipment |
| CN112382850A (en) * | 2020-11-11 | 2021-02-19 | 兰州交通大学 | Miniaturized yagi antenna suitable for 5G communication and manufacturing method thereof |
-
2010
- 2010-06-11 CN CN2010202227318U patent/CN201689983U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362434A (en) * | 2014-12-03 | 2015-02-18 | 成都英力拓信息技术有限公司 | Dipole antenna structure |
| CN108493584A (en) * | 2018-04-26 | 2018-09-04 | Oppo广东移动通信有限公司 | Housing unit, antenna module and electronic equipment |
| CN108493584B (en) * | 2018-04-26 | 2020-01-14 | Oppo广东移动通信有限公司 | Shell assembly, antenna assembly and electronic equipment |
| CN112382850A (en) * | 2020-11-11 | 2021-02-19 | 兰州交通大学 | Miniaturized yagi antenna suitable for 5G communication and manufacturing method thereof |
| CN112382850B (en) * | 2020-11-11 | 2024-03-01 | 兰州交通大学 | Miniaturized yagi antenna suitable for 5G communication and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20140611 |