CN211350963U - Antenna structure and electronic equipment - Google Patents
Antenna structure and electronic equipment Download PDFInfo
- Publication number
- CN211350963U CN211350963U CN202020413205.3U CN202020413205U CN211350963U CN 211350963 U CN211350963 U CN 211350963U CN 202020413205 U CN202020413205 U CN 202020413205U CN 211350963 U CN211350963 U CN 211350963U
- Authority
- CN
- China
- Prior art keywords
- frame
- frequency band
- antenna
- fracture
- antenna radiator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Support Of Aerials (AREA)
Abstract
The utility model provides an antenna structure and electronic equipment, the antenna structure includes the metal frame, be equipped with the fracture on the metal frame, the fracture separates the metal frame and forms first frame and second frame; the first frame is provided with a first grounding point, a first feed source is connected between the first grounding point and the fracture, a first antenna radiator is formed on the part of the first frame from the fracture to the first feed source, and a second antenna radiator is formed on the part of the first frame from the fracture to the first grounding point; the second frame is connected with a second feed source, and the distance between the second feed source and the fracture is greater than the length of one quarter of the wavelength of the corresponding working frequency band of the second antenna radiator. The utility model provides a technical scheme has solved the relatively poor problem of isolation between the different antennas in the current antenna structure.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to an antenna structure and electronic equipment.
Background
Currently, most electronic devices are equipped with antennas for wireless communication, such as a positioning antenna for implementing positioning functions, a bluetooth antenna for implementing bluetooth communication, and the like. As the requirements of metal appearance and 5G and Multiple Input Multiple Output (MIMO) technologies become stronger, the number of antennas in an electronic device becomes larger, resulting in poor isolation between different antennas.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an antenna structure and electronic equipment to solve the relatively poor problem of isolation between the different antennas in the current antenna structure.
In order to solve the above problem, the embodiment of the present invention is implemented as follows:
in a first aspect, an embodiment of the present invention provides an antenna structure, including a metal frame, where a fracture is arranged on the metal frame, and the fracture separates the metal frame into a first frame and a second frame;
the first frame is provided with a first grounding point, a first feed source is connected between the first grounding point and the fracture, a first antenna radiator is formed on the part of the first frame from the fracture to the first feed source, and a second antenna radiator is formed on the part of the first frame from the fracture to the first grounding point;
the second frame is connected with a second feed source, and the distance between the second feed source and the fracture is greater than the length of one quarter of the wavelength of the corresponding working frequency band of the second antenna radiator.
In a second aspect, the present invention further provides an electronic device, including the antenna structure as described in the first aspect.
The utility model provides a technical scheme, the formation of fracture makes first frame and second frame separation, first frame is equipped with first ground point and first feed, the frame part between fracture to the first feed forms first antenna radiator, the frame part between fracture to the first ground point forms the second antenna radiator, the second frame is connected with the second feed, and the distance between second feed to the fracture will be greater than the quarter length that the second antenna radiator corresponds the working frequency channel wavelength, and then can effectively improve the isolation each other of each antenna radiator, promote the holistic radiation performance of antenna structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a structural diagram of an antenna structure according to an embodiment of the present invention;
fig. 2 is a structural diagram of another antenna structure according to an embodiment of the present invention.
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 some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An embodiment of the utility model provides an antenna structure, please refer to fig. 1 and fig. 2, antenna structure includes the metal frame, be equipped with fracture 10 on the metal frame, fracture 10 will the metal frame is separated and is formed first frame 11 and second frame 12. The first frame 11 is provided with a first grounding point 13, a first feed 14 is connected between the first grounding point 13 and the fracture 10, a portion of the first frame 11 from the fracture 10 to the first feed 14 forms a first antenna radiator, and a portion of the first frame 11 from the fracture 10 to the first grounding point 13 forms a second antenna radiator; the second frame 12 is connected with a second feed source 15, and the distance between the second feed source 15 and the fracture 10 is greater than the length of one quarter of the wavelength of the corresponding working frequency band of the second antenna radiator.
It will be appreciated that the fracture 10 is formed such that the first and second rims 11, 12 are separated, and that the first and second rims 11, 12 may transmit rf energy through the fracture 10 in a coupled manner. The metal frame can be a frame of a shell of the electronic equipment; for example, when the antenna structure is applied to a mobile phone, the metal frame may be a frame of a housing of the mobile phone, and the fracture 10 may be formed on a long side (a length direction of the mobile phone) or a short side (a width direction of the mobile phone) of the frame of the housing of the mobile phone. In addition, the fracture 10 can be filled with non-metallic materials.
In this embodiment, the first frame 11 is provided with a first ground point 13 and a first feed source 14, a distance exists between the first ground point 13 and the first feed source 14, and further, the distance between the fracture 10 and the first feed source 14 is different from the distance between the fracture 10 and the first ground point 13, and further, a frame portion between the fracture 10 and the first feed source 14 forms a first antenna radiator, a frame portion between the fracture 10 and the first ground point 13 forms a second antenna radiator, and different radiators also correspond to different working frequency bands. For example, the operating frequency band corresponding to the first antenna radiator is N79, and the operating frequency band corresponding to the second antenna radiator is N78. Through the restriction to the position of first feed 14 and first ground point 13, just also can restrict the distance between first feed 14 and fracture 10 and the distance between first ground point 13 and fracture 10, and then realize the setting to the antenna frequency channel.
The first antenna radiator correspondingly forms a first antenna mode, and the length of the first antenna radiator can be about a quarter of the wavelength of the working frequency band corresponding to the first antenna mode. The second antenna radiator correspondingly forms a second antenna mode, and the length of the second antenna radiator may be about a quarter of the wavelength of the working frequency band corresponding to the second antenna mode.
In addition, the second frame 12 is connected to a second feed 15, and a distance between the second feed 15 and the fracture 10 is greater than a quarter of a wavelength of a corresponding operating frequency band of the second antenna radiator. That is to say, the distance from the second feed source 15 to the fracture 10 is greater than the distance from the first ground point 13 to the fracture 10, so that the isolation between the antenna radiators can be effectively improved.
Optionally, an inductor and/or a capacitor (not shown) is connected to the second feed 15. The setting of inductance and/or electric capacity can further filter the energy that first antenna radiator and second antenna radiator produced, further improves the isolation between each antenna radiator, and then improves antenna structure's whole radiation performance.
In this embodiment, the second frame 12 is provided with a second ground point 16, the second feed 15 is located between the fracture 10 and the second ground point 16, and a portion of the second frame 12 from the fracture 10 to the second ground point 16 forms a third antenna radiator. The third antenna radiator correspondingly forms a third antenna mode, and the length of the third antenna radiator is about one quarter of the wavelength of the working frequency band corresponding to the third antenna mode.
Referring to fig. 2, a matching circuit 17 is connected between the second ground point 16 and the second feed 15, and a portion of the second frame 12 from the break 10 to the matching circuit 17 forms a fourth antenna radiator. The fourth antenna radiator correspondingly forms a fourth antenna mode, and the length of the fourth antenna radiator is about one quarter of the wavelength of the working frequency band corresponding to the fourth antenna mode. Alternatively, the matching circuit 17 may include at least one set of a capacitor and an inductor, for example, the matching circuit 17 may be formed by connecting an inductor and a capacitor in series.
The frame part between the fracture 10 and the matching circuit 17 forms a fourth antenna radiator. Like this, the antenna structure that this embodiment provided, through the setting of the distance between ground point, feed and matching circuit 17 and fracture 10, just also can form four at least antenna radiation bodies of different operating frequency channels for an antenna structure's radiation frequency channel is wider, can effectively reduce the quantity of the antenna structure of overall arrangement in the electronic equipment.
In an implementation manner of this embodiment, an operating frequency band corresponding to the second antenna radiator is a first frequency band, an operating frequency band corresponding to the third antenna radiator is a second frequency band, an operating frequency band corresponding to the fourth antenna radiator is a third frequency band, and an operating frequency band corresponding to the first antenna radiator is a fourth frequency band.
For example, the first band is N78, the second band is L5, the third band is N41, and the fourth band is N79. The matching circuit 17 is arranged such that the length corresponding to the first antenna radiator is about one quarter of the wavelength of the N79 frequency band, the length corresponding to the second antenna radiator is about one quarter of the wavelength of the N78 frequency band, the length corresponding to the third antenna radiator is about one quarter of the wavelength of the L5 frequency band, and the length corresponding to the fourth antenna radiator is about one quarter of the wavelength of the N41 frequency band. Like this, can realize each antenna radiator high isolation each other, accomplish the optimal radiation performance of N41, N78, N79 and cover, can realize L5 simultaneously again and cover for when being applied to electronic equipment, can improve electronic equipment's location precision, satisfy electronic equipment's high positioning accuracy requirement, and can not influence the performance of other antenna radiators simultaneously again, further improved antenna structure's application scope.
Preferably, the length of the first antenna radiator may be 3mm, the length of the second antenna radiator 7mm, the length of the third antenna radiator 34mm, and the length of the fourth antenna radiator 18 mm.
Or, in another embodiment, the working frequency band corresponding to the second antenna radiator is a third frequency band, the working frequency band corresponding to the third antenna radiator is a second frequency band, the working frequency band corresponding to the fourth antenna radiator is a first frequency band, and the working frequency band corresponding to the first antenna radiator is a fourth frequency band.
In this embodiment, the first antenna radiator corresponds to the N79 frequency band, the second antenna radiator corresponds to the N41 frequency band, the third antenna radiator corresponds to the L5 frequency band, and the fourth antenna radiator corresponds to the N78 frequency band. Therefore, high isolation among the antenna radiators can be achieved, coverage of at least four different frequency bands is achieved through one antenna structure, and the number of the antenna structures distributed in the electronic device can be effectively reduced. Meanwhile, the antenna structure in the embodiment can realize L5 coverage while realizing N41, N78 and N79 coverage, so that when the antenna structure is applied to electronic equipment, the positioning accuracy of the electronic equipment can be improved, and the requirement of the electronic equipment on high positioning accuracy is met.
In the embodiment of the utility model provides an in, second feed 15 extremely distance between fracture 10 is 11mm ~ 15 mm. It should be noted that the distance between the second feed 15 and the fracture 10 is greater than a quarter of the wavelength of the operating frequency band corresponding to the second antenna radiator, and then the quarter of the wavelength of the operating frequency band corresponding to the second antenna radiator is at least less than 11 mm. In this way, the isolation between the antenna radiators in the antenna structure can be effectively improved in terms of physical size.
The embodiment of the utility model provides an electronic equipment is still provided, electronic equipment includes as above all technical characteristics in the antenna structure embodiment to can reach the same technological effect, for avoiding repetition, no longer describe here.
It should be noted that the electronic device may be at least one of a mobile phone, a tablet computer, an electronic book reader, an MP3 player, an MP4 player, a digital camera, a laptop computer, a vehicle computer, a desktop computer, a set-top box, a smart tv, and a wearable device.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An antenna structure is characterized by comprising a metal frame, wherein a fracture is arranged on the metal frame, and the fracture separates the metal frame into a first frame and a second frame;
the first frame is provided with a first grounding point, a first feed source is connected between the first grounding point and the fracture, a first antenna radiator is formed on the part of the first frame from the fracture to the first feed source, and a second antenna radiator is formed on the part of the first frame from the fracture to the first grounding point;
the second frame is connected with a second feed source, and the distance between the second feed source and the fracture is greater than the length of one quarter of the wavelength of the corresponding working frequency band of the second antenna radiator.
2. An antenna arrangement according to claim 1, characterized in that an inductance and/or a capacitance is connected to the second feed.
3. The antenna structure according to claim 1, characterized in that the second frame is provided with a second ground point, the second feed being located between the break and the second ground point, a portion of the second frame between the break and the second ground point forming a third antenna radiator.
4. The antenna structure of claim 3, wherein a matching circuit is connected between the second ground point and the second feed source, and a portion of the second frame from the break to the matching circuit forms a fourth antenna radiator.
5. The antenna structure of claim 4, wherein the operating frequency band corresponding to the second antenna radiator is a first frequency band, the operating frequency band corresponding to the third antenna radiator is a second frequency band, and the operating frequency band corresponding to the fourth antenna radiator is a third frequency band; alternatively, the first and second electrodes may be,
the working frequency band corresponding to the second antenna radiator is a third frequency band, the working frequency band corresponding to the third antenna radiator is a second frequency band, and the working frequency band corresponding to the fourth antenna radiator is a first frequency band.
6. The antenna structure of claim 5, wherein the operating frequency band corresponding to the first antenna radiator is a fourth frequency band.
7. The antenna structure according to claim 4, characterized in that the matching circuit comprises at least one set of a capacitance and an inductance.
8. An antenna structure according to any of claims 1-7, characterized in that the distance between the second feed and the break is 11-15 mm.
9. An electronic device, characterized in that it comprises an antenna structure according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020413205.3U CN211350963U (en) | 2020-03-27 | 2020-03-27 | Antenna structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020413205.3U CN211350963U (en) | 2020-03-27 | 2020-03-27 | Antenna structure and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211350963U true CN211350963U (en) | 2020-08-25 |
Family
ID=72098095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020413205.3U Active CN211350963U (en) | 2020-03-27 | 2020-03-27 | Antenna structure and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211350963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571898A (en) * | 2021-07-27 | 2021-10-29 | 维沃移动通信有限公司 | Electronic device |
| WO2022237352A1 (en) * | 2021-05-11 | 2022-11-17 | Oppo广东移动通信有限公司 | Antenna structure and electronic device |
-
2020
- 2020-03-27 CN CN202020413205.3U patent/CN211350963U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022237352A1 (en) * | 2021-05-11 | 2022-11-17 | Oppo广东移动通信有限公司 | Antenna structure and electronic device |
| CN113571898A (en) * | 2021-07-27 | 2021-10-29 | 维沃移动通信有限公司 | Electronic device |
| CN113571898B (en) * | 2021-07-27 | 2024-06-07 | 维沃移动通信有限公司 | Electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3896790B1 (en) | Antenna structure and communication terminal | |
| CN108321542B (en) | Antenna system and communication terminal applying same | |
| US9583835B2 (en) | Multiband antenna and wireless communication device employing same | |
| CN103151601B (en) | A kind of bottom edge slot coupled antenna | |
| US11108133B2 (en) | Antenna system and mobile terminal implemented with the antenna system | |
| US10236558B2 (en) | LTE full-band cellphone antenna structure | |
| CN107069212B (en) | Antenna device and mobile terminal applying same | |
| CN112751212A (en) | Antenna system and electronic device | |
| CN105337036A (en) | Mobile terminal and antenna structure thereof | |
| EP4266494A1 (en) | Antenna assembly and electronic device | |
| CN110299614B (en) | Antenna module and mobile terminal | |
| EP4195409A1 (en) | Antenna structure and electronic device | |
| CN108879112B (en) | Antenna array and terminal | |
| CN211350963U (en) | Antenna structure and electronic equipment | |
| EP4270646A1 (en) | Antenna assembly and electronic device | |
| CN106848607A (en) | A kind of antenna assembly | |
| CN102820523A (en) | Multi-band antenna | |
| CN106450752A (en) | MIMO antenna for reaching high isolation for smart mobile phones | |
| CN113437480A (en) | Multi-frequency antenna device and mobile terminal | |
| US11791540B2 (en) | Signal feeding assembly, antenna module and electronic equipment | |
| US20200203807A1 (en) | Antenna module and mobile terminal | |
| CN104183912A (en) | Miniature double-frequency-band monopole antenna based on metamaterial unit | |
| CN107078387B (en) | Multi-frequency antenna and terminal equipment | |
| CN110829023B (en) | Antenna module and terminal | |
| US9124001B2 (en) | Communication device and antenna element therein |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |