CN212114016U - Mobile phone antenna structure - Google Patents
Mobile phone antenna structure Download PDFInfo
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- CN212114016U CN212114016U CN202020820427.7U CN202020820427U CN212114016U CN 212114016 U CN212114016 U CN 212114016U CN 202020820427 U CN202020820427 U CN 202020820427U CN 212114016 U CN212114016 U CN 212114016U
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Abstract
The utility model discloses a mobile phone antenna structure, including main antenna and parasitic antenna, parasitic antenna with main antenna intercoupling, main antenna includes that ground connection is walked line and signal input and is walked the line, signal input walk the line with ground connection is walked the line and is connected, ground connection is walked the line and is provided with ground connection and is presented the point, signal input walks to walk the line and is provided with signal input and presents the point, parasitic antenna is provided with the parasitic point of presenting, ground connection present the point signal input present the point with the parasitic point of presenting sets up in proper order at the interval. The parasitic antenna resonates with the main antenna in an electromagnetic field coupling mode to affect the resonant frequency of the main antenna and enable the mobile phone antenna to meet the requirements of different working frequency bands, and the grounding feed point, the signal input feed point and the parasitic feed point are respectively used for being connected with the radiating unit on the mobile phone mainboard to achieve communication. The parasitic branch is added to greatly expand the bandwidth of the coverage frequency band of the antenna, and simultaneously, the performance of the mobile phone antenna is improved.
Description
Technical Field
The utility model relates to an antenna technology field, the more specifically cell-phone antenna structure that says so.
Background
The existing mobile phone antenna is not reasonable enough in layout, narrow in coverage frequency band bandwidth and poor in radiation performance, and cannot meet the requirements of different working frequency bands.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a cell-phone antenna structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a mobile phone antenna structure comprises a main antenna and a parasitic antenna, wherein the parasitic antenna is coupled with the main antenna, the main antenna comprises a grounding wire and a signal input wire, the signal input wire is connected with the grounding wire, the grounding wire is provided with a grounding feed point, the signal input wire is provided with a signal input feed point, the parasitic antenna is provided with a parasitic feed point, and the grounding feed point, the signal input feed point and the parasitic feed point are sequentially arranged at intervals.
The further technical scheme is as follows: the ground wiring comprises a ground main body, a connecting portion and a ground bending portion, the connecting portion and the ground bending portion extend to the same side of the ground main body respectively, the ground bending portion is arranged above the connecting portion, and a ground feed point is arranged at the top of the ground bending portion.
The further technical scheme is as follows: the signal input wiring comprises a signal input main body and a signal input bending part, the signal input bending part is connected with the signal input main body, and the signal input feed point is arranged at the top of the signal input bending part.
The further technical scheme is as follows: the signal input main part includes first arm, second arm and third arm, first arm and third arm respectively perpendicular connection in the both ends of second arm, first arm, second arm and third arm constitute a appearance chamber in order to wrap the ground connection main part.
The further technical scheme is as follows: the signal input bending part is connected to the inner side of the third arm.
The further technical scheme is as follows: the connecting part is connected with the signal input bending part.
The further technical scheme is as follows: the grounding bending part and the signal input bending part are both L-shaped structures.
The further technical scheme is as follows: the parasitic antenna is of an L-shaped structure, and the opening direction of the parasitic antenna is opposite to that of the signal input bending part.
The further technical scheme is as follows: the height of the parasitic antenna is consistent with that of the signal input routing, and the parasitic feed point is arranged at the top of the parasitic antenna.
The further technical scheme is as follows: the ground connection is walked the line signal input walk the line with parasitic antenna all includes oil reservoir, copper foil layer, first glue layer, substrate layer, second glue layer and from type paper that sets gradually from outside to inside.
Compared with the prior art, the utility model beneficial effect be: the utility model relates to a cell-phone antenna structure, main antenna include that the ground connection is walked line and signal input and is walked the line, and the ground connection is walked the line for the electric current of medium-high frequency and is walked the line, and signal input walks the line and walks the line connection with the ground connection for the electric current of low frequency, reaches the purpose that resonance produced the radiation. The parasitic antenna resonates with the main antenna in an electromagnetic field coupling mode to affect the resonant frequency of the main antenna and enable the mobile phone antenna to meet the requirements of different working frequency bands, and the grounding feed point, the signal input feed point and the parasitic feed point are respectively used for being connected with the radiating unit on the mobile phone mainboard to achieve communication. The parasitic branch is added to greatly expand the bandwidth of the coverage frequency band of the antenna, the layout is reasonable, and the performance of the mobile phone antenna is improved. By adopting the mobile phone antenna structure, the communication frequency band supported by the antenna can be widened to a 4G frequency band, and low-frequency 824-960 MHz and high-frequency 1710-2620 MHz are supported, so that the whole network communication is realized.
The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.
Drawings
FIG. 1 is a schematic structural diagram of an antenna structure of a mobile phone;
fig. 2 is a schematic diagram of an internal structure of an antenna structure of a mobile phone.
Reference numerals
1. Grounding and routing; 11. a grounding body; 12. a connecting portion; 13. a grounding bending part; 131. a ground feed point; 2. signal input wiring; 21. a first arm; 22. a second arm; 23. a third arm; 24. a signal input bending part; 241. a signal input feed point; 3. a parasitic antenna; 31. a parasitic feed point; 41. an oil layer; 42. a copper foil layer; 43. a first glue layer; 44. a substrate layer; 45. a second glue layer; 46. and (4) release paper.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
As shown in fig. 1 to 2, a mobile phone antenna structure includes a main antenna and a parasitic antenna 3, the parasitic antenna 3 and the main antenna are coupled with each other, the main antenna includes a ground trace 1 and a signal input trace 2, the signal input trace 2 is connected to the ground trace 1, the ground trace 1 is provided with a ground feed point 131, the signal input trace 2 is provided with a signal input feed point 241, the parasitic antenna 3 is provided with a parasitic feed point 31, and the ground feed point 131, the signal input feed point 241 and the parasitic feed point 31 are sequentially arranged at intervals. The grounding wire 1 is a medium-high frequency current wire, the signal input wire 2 is a low frequency current wire, and the signal input wire 2 is connected with the grounding wire 1 to achieve the purpose of generating radiation by resonance. The parasitic antenna 3 resonates with the main antenna in an electromagnetic field coupling mode to affect the resonant frequency of the main antenna and enable the mobile phone antenna to meet the requirements of different working frequency bands, and the grounding feed point 131, the signal input feed point 241 and the parasitic feed point 31 are respectively used for being connected with a radiation unit on a mobile phone mainboard to achieve communication. The parasitic branch is added to greatly expand the bandwidth of the coverage frequency band of the antenna, the layout is reasonable, and the performance of the mobile phone antenna is improved. By adopting the mobile phone antenna structure, the communication frequency band supported by the antenna can be widened to a 4G frequency band, and low-frequency 824-960 MHz and high-frequency 1710-2620 MHz are supported, so that the whole network communication is realized.
Specifically, the grounding wire 1 is connected with a first radiation unit of the mobile phone motherboard, the signal input wire 2 is connected with a second radiation unit of the mobile phone motherboard, and the parasitic antenna 3 is connected with a third radiation unit of the mobile phone motherboard, so that signal transmission is realized.
Specifically, as shown in fig. 1, the ground trace 1 includes a ground main body 11, a connecting portion 12 and a ground bending portion 13, the connecting portion 12 and the ground bending portion 13 respectively extend to the same side of the ground main body 11, the ground bending portion 13 is disposed above the connecting portion 12, and the ground feed point 131 is disposed at the top of the ground bending portion 13. The grounding wire 1 is reasonable in layout, and the radiation performance of the mobile phone antenna structure can be greatly improved by combining the impedance matching network.
Specifically, as shown in fig. 1, the signal input trace 2 includes a signal input main body and a signal input bending portion 24, the signal input bending portion 24 is connected to the signal input main body, and the signal input feed point 241 is disposed at the top of the signal input bending portion 24. The signal input wiring 2 is reasonable in layout, and the radiation performance of the mobile phone antenna structure can be greatly improved by combining the impedance matching network.
Specifically, as shown in fig. 1, the signal input body includes a first arm 21, a second arm 22 and a third arm 23, the first arm 21 and the third arm 23 are respectively vertically connected to two ends of the second arm 22, and the first arm 21, the second arm 22 and the third arm 23 form a cavity to wrap the grounding body 11. The signal input wiring 2 forms a wrapping structure with the grounding wiring 1, so that the purpose of generating radiation by resonance is achieved.
Specifically, as shown in fig. 1, the signal input bent portion 24 is connected to the inner side of the third arm 23.
Specifically, as shown in fig. 1, the connection portion 12 is connected to the signal input bending portion 24, so as to achieve the purpose of generating radiation by resonance of the ground trace 1 and the signal input trace 2.
Specifically, as shown in fig. 1, the ground bending portion 13 and the signal input bending portion 24 are both L-shaped structures.
Specifically, as shown in fig. 1, the parasitic antenna 3 has an L-shaped structure, and the opening direction of the parasitic antenna 3 is opposite to the opening direction of the signal input bent portion 24. The L-shaped parasitic antenna 3 is added to greatly expand the coverage bandwidth of the antenna.
Specifically, as shown in fig. 1, the height of the parasitic antenna 3 is consistent with the height of the signal input trace 2, and the parasitic feed point 31 is disposed on the top of the parasitic antenna 3.
Specifically, as shown in fig. 2, the ground trace 1, the signal input trace 2, and the parasitic antenna 3 each include an oil layer 41, a copper foil layer 42, a first glue layer 43, a substrate layer 44, a second glue layer 45, and a release paper 46, which are sequentially disposed from outside to inside. Copper foil layer 42 walks line 1 as the ground connection, signal input walks the main part of line 2 and parasitic antenna 3, oil reservoir 41 protects copper foil layer 42 can not oxidize, substrate layer 44 is the polyimide layer, first glue layer 43 is the acrylic acid hot melt adhesive, be used for being fixed in on substrate layer 44 with copper foil layer 42, second glue layer 45 is the ordinary glue of 3M company's production, be used for fixed ground to walk line 1, signal input walks line 2 and parasitic antenna 3 to the carrier on, walk line 1 for the ground connection from type paper 46, signal input walks the protective layer of back glue before 2 and parasitic antenna 3 use.
Specifically, the mobile phone antenna structure only needs a minimum clearance area of 3-6 mm, and small volume is realized.
Specifically, the mobile phone antenna structure is reasonable in wiring layout, can generate multiple resonant modes, can greatly improve the radiation performance of the antenna by combining an impedance matching network, ensures that the antenna has small volume and low profile, and meets the requirements of practical application. The bandwidth of the coverage frequency band of the antenna is greatly expanded.
Compared with the prior art, the utility model relates to a cell-phone antenna structure, main antenna include that ground connection is walked line and signal input and is walked the line, and ground connection is walked the line for the electric current of medium-high frequency and is walked the line, and signal input walks the line and walks the line for the electric current of low frequency and be connected with ground connection line, reaches the purpose that resonance produced the radiation. The parasitic antenna resonates with the main antenna in an electromagnetic field coupling mode to affect the resonant frequency of the main antenna and enable the mobile phone antenna to meet the requirements of different working frequency bands, and the grounding feed point, the signal input feed point and the parasitic feed point are respectively used for being connected with the radiating unit on the mobile phone mainboard to achieve communication. The parasitic branch is added to greatly expand the bandwidth of the coverage frequency band of the antenna, the layout is reasonable, and the performance of the mobile phone antenna is improved. By adopting the mobile phone antenna structure, the communication frequency band supported by the antenna can be widened to a 4G frequency band, and low-frequency 824-960 MHz and high-frequency 1710-2620 MHz are supported, so that the whole network communication is realized.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a mobile phone antenna structure, its characterized in that includes main antenna and parasitic antenna, parasitic antenna with main antenna intercoupling, main antenna includes that ground connection walks to walk to the ground and signal input is walked to walk to be connected, ground connection is walked to walk to be provided with ground connection and is presented the point, signal input is walked to walk to be provided with signal input and is presented the point, parasitic antenna is provided with parasitic feed point, ground connection is presented the point signal input is presented the point with parasitic feed point sets.
2. The mobile phone antenna structure according to claim 1, wherein the ground trace includes a ground main body, a connection portion and a ground bending portion, the connection portion and the ground bending portion respectively extend to a same side of the ground main body, the ground bending portion is disposed above the connection portion, and the ground feed point is disposed at a top of the ground bending portion.
3. The mobile phone antenna structure according to claim 2, wherein the signal input trace includes a signal input main body and a signal input bending portion, the signal input bending portion is connected to the signal input main body, and the signal input feed point is disposed at a top of the signal input bending portion.
4. The mobile phone antenna structure according to claim 3, wherein the signal input body comprises a first arm, a second arm and a third arm, the first arm and the third arm are respectively vertically connected to two ends of the second arm, and the first arm, the second arm and the third arm form a cavity to wrap the grounding body.
5. The handset antenna structure of claim 4 wherein the signal input bend is connected to the inside of the third arm.
6. The handset antenna structure according to claim 5, wherein the connection portion is connected to the signal input bending portion.
7. The handset antenna structure of claim 6 wherein the ground bend and the signal input bend are both L-shaped structures.
8. The mobile phone antenna structure according to claim 7, wherein the parasitic antenna is an L-shaped structure, and an opening direction of the parasitic antenna is opposite to an opening direction of the signal input bending portion.
9. The antenna structure of claim 8, wherein the height of the parasitic antenna is consistent with the height of the signal input trace, and the parasitic feed point is disposed on the top of the parasitic antenna.
10. The antenna structure of claim 9, wherein the ground trace, the signal input trace, and the parasitic antenna each include an oil layer, a copper foil layer, a first glue layer, a substrate layer, a second glue layer, and a release paper sequentially disposed from outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820427.7U CN212114016U (en) | 2020-05-15 | 2020-05-15 | Mobile phone antenna structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820427.7U CN212114016U (en) | 2020-05-15 | 2020-05-15 | Mobile phone antenna structure |
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| CN212114016U true CN212114016U (en) | 2020-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993243A (en) * | 2022-08-04 | 2022-09-02 | 深圳粤讯通信科技有限公司 | Antenna attitude monitoring and early warning system based on Internet of things |
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2020
- 2020-05-15 CN CN202020820427.7U patent/CN212114016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114993243A (en) * | 2022-08-04 | 2022-09-02 | 深圳粤讯通信科技有限公司 | Antenna attitude monitoring and early warning system based on Internet of things |
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