CN217983666U - Double-frequency external WiFi antenna - Google Patents
Double-frequency external WiFi antenna Download PDFInfo
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- CN217983666U CN217983666U CN202222185633.7U CN202222185633U CN217983666U CN 217983666 U CN217983666 U CN 217983666U CN 202222185633 U CN202222185633 U CN 202222185633U CN 217983666 U CN217983666 U CN 217983666U
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- 238000010168 coupling process Methods 0.000 claims abstract description 97
- 238000005859 coupling reaction Methods 0.000 claims abstract description 97
- 230000008878 coupling Effects 0.000 claims abstract description 96
- 230000005855 radiation Effects 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001808 coupling effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000191 radiation effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The utility model provides a double-frequency external WiFi antenna, which comprises a substrate, a radiation component and a coupling component; the radiation assembly and the coupling assembly are fixed on the substrate; the radiating component comprises a first antenna branch, a second antenna branch, a feed point, a first grounding point and a second grounding point; the feeding point is electrically connected with the first antenna branch and the second antenna branch at the same time; the first grounding point is electrically connected with the first antenna branch node; the second grounding point is electrically connected with the second antenna branch node; the coupling assembly comprises a coupling branch and a third grounding point; the coupling branch section is electrically connected with the third grounding point; the grounding point of the coupling component is close to the feeding point of the radiation component, the two sides of the coupling antenna are respectively added with a coupling branch, the dual-frequency performance of the WiFi antenna is improved through the effect of ground feed coupling, and meanwhile, the resonance and the efficiency of the ultra-high frequency 6500MHz-7500MHz are reduced.
Description
Technical Field
The utility model relates to a wireless communication field, in particular to external wiFi antenna of dual-frenquency with restrain hyperfrequency effect.
Background
At present, wiFi wireless network surfing can be simply understood as wireless surfing, almost all intelligent terminals, tablet computers and notebook computers support WiFi surfing, and the wireless network transmission technology is the most widely used technology at present. 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. Due to the requirement of full-scene WiFi, a large number of external WiFi antennas are needed to realize coverage of the full-scene WiFi in the whole place, and due to the fact that the antenna routing is narrow, the external WiFi antennas can generate high-frequency-band resonance in 6000MHz-7500MHz, and therefore the radiation effect of the antennas is affected.
In view of the above, it is desirable to provide an external WiFi antenna structure with an ultra-high frequency resonance suppression effect to cope with the influence of the ultra-high frequency resonance WiFi antenna radiation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an external wiFi antenna of dual-frenquency solves present external wiFi antenna because the antenna is walked the line narrower, and the antenna can produce the high frequency channel resonance at 6000MHz-7500MHz to the problem that produces the influence to the radiation effect of antenna.
In order to solve the above problems, the present invention provides a dual-band external WiFi antenna, which includes a substrate, a radiation component and a coupling component; the radiation assembly and the coupling assembly are fixed on the substrate; the radiating component comprises a first antenna branch, a second antenna branch, a feed point, a first grounding point and a second grounding point; the feed point is electrically connected with the first antenna branch and the second antenna branch at the same time; the first grounding point is electrically connected with the first antenna branch node; the second grounding point is electrically connected with the second antenna branch node; the coupling component comprises a coupling branch and a third grounding point; the coupling branch is electrically connected with the third grounding point.
Optionally, in the dual-band external WiFi antenna, the substrate is made of FPC or PCB.
Optionally, in the dual-band external WiFi antenna, the coupling component further includes a first coupling branch and a second coupling branch in an "L" shape; the first coupling branch and the second coupling branch are respectively positioned at two sides of the coupling branch knot.
Optionally, in the dual-band external WiFi antenna, the radiation component further includes a first groove and a second groove; the first groove is positioned inside the first antenna branch section; the second groove is located inside the second antenna stub.
Optionally, in the dual-band external WiFi antenna, the first coupling branch extends into the first groove, and a gap is left between the first coupling branch and the first groove, the first coupling branch being adjacent to the first antenna branch.
Optionally, in the dual-band external WiFi antenna, the second coupling branch extends into the second groove, and a gap is left between and adjacent to the second antenna branch.
Optionally, in the dual-band external WiFi antenna, the feeding point is adjacent to the third grounding point, and a gap is left between the feeding point and the third grounding point, so as to form ground feed coupling.
Optionally, in the dual-band external WiFi antenna, the length of the coupling stub is longer than the length of the first antenna stub; the length of the coupling stub is longer than the length of the second antenna stub.
Optionally, in the dual-band external WiFi antenna, the coupling branches are long.
Optionally, in the dual-band external WiFi antenna, the coupling stub, the first antenna stub, and the second antenna stub are a patch antenna process, an LDS antenna process, or a printed antenna process.
The utility model has the advantages that:
the application provides a dual-frequency external WiFi antenna, which comprises a substrate, a radiation assembly and a coupling assembly; the radiation assembly and the coupling assembly are fixed on the substrate; the radiating component comprises a first antenna branch, a second antenna branch, a feed point, a first grounding point and a second grounding point; the coupling assembly comprises a coupling branch and a third grounding point; coupling branches are arranged on two sides of the coupling branch knot and are respectively close to the first antenna branch knot and the second antenna branch knot, and the grounding point is close to the feeding point of the radiation component, so that the WiFi dual-frequency performance is improved through ground feed coupling, and meanwhile, the effects of resonance and efficiency of the ultra-high frequency 6500MHz-7500MHz are reduced.
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 dual-band external WiFi antenna provided in this embodiment;
wherein the reference numerals are as follows:
1-a substrate; 2-a radiating component; 3-a coupling component; 21-a first antenna branch; 22-a second antenna stub; 23-a feeding point; 24-a first ground point; 25-a second ground point; 26-a first groove; 27-a second groove; 31-coupling branches; 32-a first coupling branch; 33-a second coupling branch; 34-second ground point.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings and specific embodiments for a dual-band external WiFi antenna and an indoor terminal. 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. Moreover, 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 dual-frequency external WiFi antenna, which comprises a substrate, a radiation component and a coupling component; the radiation assembly and the coupling assembly are fixed on the substrate; the radiating component comprises a first antenna branch, a second antenna branch, a feed point, a first grounding point and a second grounding point; the feeding point is electrically connected with the first antenna branch and the second antenna branch at the same time; the first grounding point is electrically connected with the first antenna branch node; the second grounding point is electrically connected with the second antenna branch node; the coupling assembly comprises a coupling branch and a third grounding point; the coupling branch section is electrically connected with the third grounding point; the grounding point of the coupling component is close to the feeding point of the radiation component, the two sides of the coupling antenna are respectively added with a coupling branch, the Wi-Fi dual-frequency performance is improved through the effect of ground feed coupling, and meanwhile, the resonance and the efficiency of the ultra-high frequency 6500MHz-7500MHz are reduced.
Referring to fig. 1, fig. 1 is a structural diagram of a dual-band external WiFi antenna provided in this embodiment, where the WiFi antenna includes the substrate 1, the radiation element 2, and the coupling element 3; the radiation element 2 and the coupling element 3 are fixed on the substrate.
The radiating element 2 comprises the first antenna stub 21, the second antenna stub 22, the feeding point 23, the first grounding point 24 and a second grounding point 25; the feeding point 23 is electrically connected to the first antenna branch 21 and the second antenna branch 22; the first grounding point 24 is electrically connected with the first antenna stub 21; the second grounding point 25 is electrically connected to the second antenna stub 22; the radiation assembly 2 further comprises the first recess 26 and the second recess 27; the first groove 26 is located inside the first antenna stub 21; the second groove 27 is located inside the second antenna stub 22.
The coupling component 3 comprises the coupling stub 31 and the third ground point 34; the coupling branch 31 is electrically connected to the third ground point 34; the coupling component 3 further comprises the first coupling branch 32 and the second coupling branch 33 in the shape of an "L"; the first coupling branch 32 and the second coupling branch 33 are respectively located at two sides of the coupling branch 31.
Preferably, the substrate 1 is made of FPC or PCB, and the coupling branch 31, the first antenna branch 32 and the second antenna branch 22 are made of patch antenna technology, LDS antenna technology or printed antenna technology; specifically, when the substrate 1 is made of an FPC material, the first antenna branch 32 and the second antenna branch 22 are formed by a patch antenna process; when the substrate 1 is made of a PCB, the first antenna branch 32 and the second antenna branch 22 may be a patch antenna process, an LDS antenna process, or a printed antenna process.
The first coupling branch 32 extends into the first recess 26 and is adjacent to the first antenna stub 21, the first coupling branch 32 being coupled to the first antenna stub 21; the second coupling branch 33 extends into the second groove 27 and is adjacent to the second antenna stub 22, and the second coupling branch 33 is coupled to the second antenna stub 22; furthermore, the feeding point 23 is adjacent to and spaced apart from the third ground point 34 to form ground feeding coupling. By the coupling action of the first coupling branch 32 and the first antenna branch 21, the coupling action of the second coupling branch 33 and the second antenna branch 22, and the ground feed coupling action between the feeding point 23 and the third ground point 34, the resonance bandwidth of the ultra-high frequency 6500MHz-7500MHz can be narrowed, and the radiation efficiency of the antenna at the ultra-high frequency 6500MHz-7500MHz is deteriorated, so that the influence of the radiation of the ultra-high frequency 6500MHz-7500MHz on the normal working frequency (2400 MHz-2500MHz, 5150MHz-5850 MHz) of the antenna is reduced.
Furthermore, due to the coupling effect of the first coupling branch 32 and the first antenna branch 21 and the coupling effect of the second coupling branch 33 and the second antenna branch 22, the radiation efficiency of the antenna at the frequency band of 5150MHz-5850MHz can be improved, the radiation performance of the antenna at the normal working frequency band can be improved, and the use experience of the antenna can be further improved.
In summary, the present embodiment provides a dual-band external WiFi antenna, which includes a substrate, a radiation element, and a coupling element; the radiation assembly and the coupling assembly are fixed on the substrate; the radiating component comprises a first antenna branch, a second antenna branch, a feed point, a first grounding point and a second grounding point; the feeding point is electrically connected with the first antenna branch and the second antenna branch at the same time; the first grounding point is electrically connected with the first antenna branch node; the second grounding point is electrically connected with the second antenna branch node; the coupling component comprises a coupling branch and a third grounding point; the coupling branch section is electrically connected with the third grounding point; the grounding point of the coupling component is close to the feeding point of the radiation component, the two sides of the coupling antenna are respectively added with a coupling branch, the Wi-Fi dual-frequency performance is improved through the effect of ground feed coupling, and meanwhile, the resonance and the efficiency of the ultra-high frequency 6500MHz-7500MHz are reduced.
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 dual-frequency external WiFi antenna is characterized by comprising a substrate, a radiation component and a coupling component; the radiation assembly and the coupling assembly are fixed on the substrate; the radiating component comprises a first antenna branch, a second antenna branch, a feed point, a first grounding point and a second grounding point; the feeding point is electrically connected with the first antenna branch and the second antenna branch at the same time; the first grounding point is electrically connected with the first antenna branch node; the second grounding point is electrically connected with the second antenna branch node; the coupling assembly comprises a coupling branch and a third grounding point; the coupling branch is electrically connected with the third grounding point.
2. The dual-band external WiFi antenna of claim 1, wherein the substrate is made of FPC or PCB.
3. The dual-band external WiFi antenna of claim 1, wherein the coupling component further comprises a first coupling branch and a second coupling branch in an "L" shape; the first coupling branch and the second coupling branch are respectively positioned at two sides of the coupling branch knot.
4. The dual-band external WiFi antenna of claim 3 wherein the radiating element further comprises a first groove and a second groove; the first groove is positioned inside the first antenna branch section; the second groove is located inside the second antenna stub.
5. The dual-band external WiFi antenna of claim 4, wherein the first coupling branch extends into the first recess, and is adjacent to and spaced apart from the first antenna stub.
6. The dual-band external WiFi antenna of claim 4, wherein the second coupling branch extends into the second recess, is adjacent to the second antenna stub, and has a gap therebetween.
7. The dual-band external WiFi antenna of claim 1 wherein the feeding point is adjacent to the third grounding point with a gap therebetween to form a ground feed coupling.
8. The dual-band external WiFi antenna of claim 1 wherein the length of the coupling stub is longer than the length of the first antenna stub; the length of the coupling stub is longer than the length of the second antenna stub.
9. The dual-band external WiFi antenna of claim 1 wherein the coupling stub is a length.
10. The external dual-band WiFi antenna of claim 1, wherein the coupling stub, the first antenna stub and the second antenna stub are a patch antenna process or an LDS antenna process or a printed antenna process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222185633.7U CN217983666U (en) | 2022-08-19 | 2022-08-19 | Double-frequency external WiFi antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222185633.7U CN217983666U (en) | 2022-08-19 | 2022-08-19 | Double-frequency external WiFi antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217983666U true CN217983666U (en) | 2022-12-06 |
Family
ID=84259778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222185633.7U Active CN217983666U (en) | 2022-08-19 | 2022-08-19 | Double-frequency external WiFi antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217983666U (en) |
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2022
- 2022-08-19 CN CN202222185633.7U patent/CN217983666U/en active Active
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| CP03 | Change of name, title or address |
Address after: 215300 Room 009, No. 55, Shengchuang Road, Yushan Town, Kunshan, Suzhou, Jiangsu Province Patentee after: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 215300 no.1689-5 Zizhu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |