CN217881896U - WiFi antenna with remote-location parasitic antenna and terminal - Google Patents
WiFi antenna with remote-location parasitic antenna and terminal Download PDFInfo
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- CN217881896U CN217881896U CN202221701318.9U CN202221701318U CN217881896U CN 217881896 U CN217881896 U CN 217881896U CN 202221701318 U CN202221701318 U CN 202221701318U CN 217881896 U CN217881896 U CN 217881896U
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Abstract
The utility model provides a WiFi antenna with a remote parasitic antenna and a terminal, which comprises a substrate and an antenna component; the antenna assembly comprises a first antenna assembly and a second antenna assembly; the first antenna assembly comprises a first radiating structure, a feed point and a first ground point; the feeding point is electrically connected with the first radiation structure; the grounding point is electrically connected with the first radiation structure; the first radiating structure comprises a first antenna stub and a second antenna stub; the second antenna assembly includes a second radiating structure and a second ground point; the second radiation structure is electrically connected with the second grounding point; the second antenna component is a parasitic antenna of the WiFi antenna, the second grounding point is a far-point grounding point of the WiFi antenna, and the bandwidth of the antenna at a 2.4GHz frequency section can be controlled, so that the directivity coefficient of the antenna is changed, and the problem that the directivity coefficient of the conventional WiFi antenna is weak is solved.
Description
Technical Field
The utility model relates to a wireless communication field, in particular to design of wiFi antenna that directivity coefficient is good.
Background
WiFi wireless network surfing can be simply understood as wireless surfing, and almost all intelligent terminals, tablet computers and notebook computers support WiFi surfing, so that the wireless network transmission technology which is most widely used at present is adopted. But the transmission speed is very fast, can reach 54Mbps, and meets the requirements of personal and social informatization.
At present, more and more terminals supporting WiFi wireless internet access are available in the market, and various terminal manufacturers also launch full-scene terminal wireless devices and terminal scenes, intelligent interconnection from the terminals to automobiles, and working places and shopping malls covered by full-scene WiFi from smart homes covered by the full-scene WiFi, and the like, so that all aspects of people's life are increasingly kept away from WiFi wireless internet access, and higher requirements on the quality, transmission rate and connection efficiency of WiFi internet access are provided.
At present, most of terminal WiFi equipment adopts a dual-frequency WiFi antenna, and the dual-frequency WiFi antenna refers to an antenna which supports 2.4G and 5.0G frequency bands simultaneously. The 2.4G frequency band has more devices, relatively better penetrability and relatively far coverage distance. However, 2.4G devices are too many, and currently, in a home environment, the number of surrounding 2.4G APs (Access points) which can be searched by each family is more than 5. The 2.4G environment is increasingly noisy and the interference is increasing. The 5G channel is clean, the speed is faster, and under the condition of transmitting the same multi-data, the 5G channel can save more power, and the user experience is better.
Because the internal space of the mobile terminal is limited, and in order to achieve more functions, the mobile terminal is often stacked with a large number of components inside, including antennas supporting more frequency bands, more speakers, larger screens, more cameras, and the like. Therefore, the space left for the WiFi antenna inside the terminal is very small, which affects the radiation performance of the antenna, and the directivity coefficient of the antenna is also poor, so a method for improving the directivity coefficient of the WiFi antenna is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wiFi antenna and terminal with parasitic antenna of far and far places solves the relatively poor problem of present wiFi antenna directivity coefficient.
In order to solve the above problems, the present invention provides a WiFi antenna with a remote parasitic antenna, which is characterized by comprising a substrate and an antenna assembly;
the antenna assembly comprises a first antenna assembly and a second antenna assembly; the first antenna component comprises a first radiating structure, a feed point and a first ground point; the feeding point is electrically connected with the first radiation structure; the grounding point is electrically connected with the first radiation structure; the first radiating structure comprises a first antenna stub and a second antenna stub; the second antenna assembly includes a second radiating structure and a second ground point; the second radiation structure is electrically connected with the second grounding point.
Optionally, in the WiFi antenna with a distant point parasitic antenna, the substrate is made of FPC or PCB.
Optionally, in the WiFi antenna with a distant point parasitic antenna, the feeding point and the first grounding point are adjacent to each other with a gap in between.
Optionally, in the WiFi antenna with a far-field parasitic antenna, the length of the slot is 15 ± 1mm, and the width of the slot is 0.8 ± 0.01mm.
Optionally, in the WiFi antenna with a far-field parasitic antenna, the first antenna branch and the second antenna branch extend in opposite directions.
Optionally, in the WiFi antenna with a long-range parasitic antenna, the first antenna branch is longer than the second antenna branch.
Optionally, in the WiFi antenna with a far-field parasitic antenna, the length of the first antenna branch is 22 ± 2.2mm.
Optionally, in the WiFi antenna with a far-field parasitic antenna, the length of the second antenna branch is 7.2 ± 0.7mm.
Optionally, in the WiFi antenna with a distant point parasitic antenna, a distance between the first grounding point and the second grounding point is 30 ± 3mm.
The utility model also provides a terminal, the terminal contains a wiFi antenna with parasitic antenna in far place.
The beneficial effects of the utility model are that:
the application provides a WiFi antenna and a terminal with a remote-location parasitic antenna, wherein antenna branches of a WiFi antenna main body extend in opposite directions, so that the omnidirectional performance of the antenna is good; a parasitic antenna is arranged at a place far away from a main antenna of the WiFi antenna, and another grounding point is arranged on the parasitic antenna, wherein the grounding point can be regarded as a far place of the WiFi antenna, and the arrangement can control the bandwidth of the antenna at a frequency section of 2.4GHz so as to change the directivity factor of the antenna.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural diagram of a WiFi antenna with a remote parasitic antenna provided in this embodiment;
fig. 2 is a simulated radiation diagram of a WiFi antenna with an offsite parasitic antenna according to this embodiment;
wherein the reference numerals are as follows:
1-a substrate; 2-an antenna component; 21-a first antenna branch; 22-a second antenna stub; 23-a first ground point; 24-a feeding point; 25-a second radiating structure; 26-second ground point.
Detailed Description
The WiFi antenna with a remote parasitic antenna and the indoor terminal provided by the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be noted that "first", "second", and the like in the description and claims of the present invention and the accompanying drawings are used for distinguishing similar objects so as to describe embodiments of the present invention, and are not intended to describe a specific order or sequence, and it should be understood that structures so used may be interchanged where appropriate. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model provides a WiFi antenna with far-reaching place parasitic antenna, including base plate 1, antenna module 2; the antenna assembly 2 comprises a first antenna assembly and a second antenna assembly; the first antenna component comprises a first radiating structure, a feeding point 24 and a first grounding point 23; the feeding point 24 is electrically connected to the first radiating structure; the grounding point 23 is electrically connected to the first radiating structure; the first radiating structure comprises a first antenna stub 21 and a second antenna stub 22; the second antenna component comprises a second radiating structure 25 and a second ground point 26; the second radiating structure 25 is electrically connected to the second ground point 26; the second antenna component is a parasitic antenna of the WiFi antenna, the second grounding point is a far point grounding point of the WiFi antenna, and the bandwidth of the antenna at a 2.4GHz frequency section can be controlled, so that the directivity coefficient of the antenna is changed, and the problem that the directivity coefficient of the traditional WiFi antenna is weak is solved.
Fig. 1 is a structural diagram of a WiFi antenna with a remote parasitic antenna provided in this embodiment, where the WiFi antenna with a remote parasitic antenna includes the substrate 1 and the antenna component 2; the antenna assembly 2 comprises a first antenna assembly and a second antenna assembly; the first antenna component comprises a first radiating structure, a feeding point 24 and a first ground point 23; the feeding point 24 is electrically connected to the first radiating structure; the grounding point 23 is electrically connected to the first radiating structure; the first radiating structure comprises a first antenna stub 21 and a second antenna stub 22; the second antenna component comprises a second radiating structure 25 and a second ground point 26.
Preferably, the substrate 1 is made of FPC or PCB, and the material selection of the substrate 1 may be determined according to the process of the WiFi antenna and the environment of the WiFi antenna in the terminal, and the specific selection manner is well known to those skilled in the art and will not be described herein again.
In this embodiment, the feeding point 24 and the first grounding point 23 are adjacent to each other with a gap in between, and this gap can be used to adjust the bandwidth of the WiFi antenna at the 5.0GHz band; more preferably, the length of the slot is 15 ± 1mm, the width of the slot is 0.8 ± 0.01mm, and when the slot is in the above preferred size, the WiFi antenna has good bandwidth performance at a 5GHz frequency band.
TABLE 1 comparison table of radiation efficiency and directivity coefficient of antenna in each frequency band
Fig. 2 is a radiation simulation diagram of a WiFi antenna with a remote location parasitic antenna provided in this embodiment, and it can be seen from table 1 and fig. 2 that the efficiency of the WiFi antenna using a remote location grounding point can reach-3 dB, and the directivity coefficient of the antenna is also better, which indicates that the WiFi antenna realizes good radiation at most of working frequency points, and the use experience is better.
In this embodiment, the first antenna branch 21 and the second antenna branch 22 extend in opposite directions, which can improve the omnidirectional radiation characteristic of the antenna, and the first antenna branch 21 is longer than the second antenna branch 22, so that the first antenna branch 21 is used to adjust the resonance of the WiFi antenna at the 2.4GHz band, and the first antenna branch 22 is used to adjust the resonance of the WiFi antenna at the 5.0GHz band.
More preferably, the length of the first antenna branch 21 is 22 ± 2.2mm, and the length of the second antenna branch 22 is 7.2 ± 0.7mm.
The first antenna component is an antenna body of the WiFi antenna and the second antenna component is a parasitic antenna of the WiFi antenna body antenna; the first antenna element and the second antenna element are not adjacent to each other and are far away from each other, so that the second antenna element can be regarded as a parasitic antenna far away from the WiFi antenna, the WiFi antenna has the first grounding point 23 on the antenna body and the second grounding point 26 on the parasitic antenna far away from the WiFi antenna, at this time, the second grounding point 26 can be regarded as a far-point grounding point of the WiFi antenna, and when the WiFi antenna has a far-point grounding point, the overall directivity of the WiFi antenna can be improved by adjusting.
In this embodiment, the distance between the first grounding point 23 and the second grounding point 26 is 30 ± 3mm, and it can be seen that there is a larger distance between the first grounding point 23 and the second grounding point 26, and in the radiation of an actual antenna, the second grounding point 26 can well adjust the directivity coefficient of the WiFi antenna, thereby achieving a better radiation effect.
In summary, the present embodiment provides a WiFi antenna with a far-end parasitic antenna and a terminal, including a substrate and an antenna assembly; the antenna assembly comprises a first antenna assembly and a second antenna assembly; the first antenna assembly comprises a first radiating structure, a feed point and a first ground point; the feeding point is electrically connected with the first radiation structure; the grounding point is electrically connected with the first radiation structure; the first radiating structure comprises a first antenna stub and a second antenna stub; the second antenna assembly includes a second radiating structure and a second ground point; the second radiation structure is electrically connected with the second grounding point; the second antenna assembly is a parasitic antenna of the WiFi antenna, the second grounding point is a far point grounding point of the WiFi antenna, and the bandwidth of the antenna at a 2.4GHz frequency band section can be controlled, so that the directivity coefficient of the antenna is changed, the problem that the directivity coefficient of the conventional WiFi antenna is weak is solved, and a better radiation effect is realized.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (10)
1. A WiFi antenna with a remote-location parasitic antenna is characterized by comprising a substrate and an antenna component;
the antenna assembly comprises a first antenna assembly and a second antenna assembly; the first antenna component comprises a first radiating structure, a feed point and a first ground point; the feeding point is electrically connected with the first radiation structure; the grounding point is electrically connected with the first radiation structure; the first radiating structure comprises a first antenna stub and a second antenna stub; the second antenna assembly includes a second radiating structure and a second ground point; the second radiation structure is electrically connected with the second grounding point.
2. The WiFi antenna with a distant point parasitic antenna of claim 1, wherein the material of the substrate is FPC or PCB.
3. The WiFi antenna with an apogee parasitic antenna of claim 1 wherein the feed point and the first ground point are adjacent with a gap in between.
4. The WiFi antenna with an apogee parasitic antenna of claim 3, wherein the slot has a length of 15 ± 1mm and a width of 0.8 ± 0.01mm.
5. The WiFi antenna having an offsite parasitic antenna as claimed in claim 1, wherein the first antenna stub and the second antenna stub extend in opposite directions.
6. A WiFi antenna with an offsite parasitic antenna as claimed in claim 1, characterized in that the first antenna branch is longer than the second antenna branch.
7. The WiFi antenna with an offsite parasitic antenna of claim 1 wherein the length of the first antenna branch is 22 ± 2.2mm.
8. A WiFi antenna with an offsite parasitic antenna according to claim 1, characterised in that the length of the second antenna branch is 7.2 ± 0.7mm.
9. The WiFi antenna with an apogee parasitic antenna of claim 1 wherein the distance between the first ground point and the second ground point is 30 ± 3mm.
10. A terminal comprising a WiFi antenna with an offsite parasitic antenna as claimed in claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221701318.9U CN217881896U (en) | 2022-07-01 | 2022-07-01 | WiFi antenna with remote-location parasitic antenna and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221701318.9U CN217881896U (en) | 2022-07-01 | 2022-07-01 | WiFi antenna with remote-location parasitic antenna and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217881896U true CN217881896U (en) | 2022-11-22 |
Family
ID=84098797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221701318.9U Active CN217881896U (en) | 2022-07-01 | 2022-07-01 | WiFi antenna with remote-location parasitic antenna and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217881896U (en) |
-
2022
- 2022-07-01 CN CN202221701318.9U patent/CN217881896U/en active Active
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