CN205583133U - Dual -frenquency wiFi's PCB antenna - Google Patents
Dual -frenquency wiFi's PCB antenna Download PDFInfo
- Publication number
- CN205583133U CN205583133U CN201620343087.7U CN201620343087U CN205583133U CN 205583133 U CN205583133 U CN 205583133U CN 201620343087 U CN201620343087 U CN 201620343087U CN 205583133 U CN205583133 U CN 205583133U
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- pcb antenna
- double frequency
- broken line
- wifi
- frequency wifi
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Abstract
The utility model discloses a dual -frenquency wiFi's PCB antenna. This dual -frenquency wiFi's PCB antenna constitutes electricity point and ground plate by radiating element, medium base plate, distributing point and ground plate, and radiating element, distributing point and ground plate are for covering the steel structure, and the medium base plate is the FR4 dielectric plate, contains two frequency bands of 2.4 GHz and 5.8 GHz, this antenna can satisfy small, facilitate the use, the clawback loss is little, high characteristics gain.
Description
Technical field
This utility model relates to antenna technical field, particularly relates to the PCB antenna of a kind of double frequency WiFi.
Background technology
Wireless communication system is widely used to every field in recent years, and user can not be utilized wireless communication system to carry out the transmission of information and information by distance limit.And antenna is one of element important in wireless communication field, currently in order to the size reduction of response electronic product and the diversity of outward appearance, small built-in antenna, because size is little, be conveniently placed at the feature of device interior, is extensively incorporated in various electronic installation.
In recent years, everybody extensive concern that this technology that can realize distance radio communication of WiFi has caused.Current this technology is more and more used in the common apparatus such as mobile phone, PDA, notebook.Frequency range currently used for WiFi is the free frequency range in the whole world, will effectively communicate transmission, and this energy transducer of antenna plays important role undoubtedly.
Antenna, as the bridge of radio communication, is the key realizing radio communication.Along with wireless communication technology and the development of electronic technology, the wireless electronic product in daily life becomes more and more less, more and more thinner, and the gentliest, and function becomes from strength to strength.Therefore researching and developing the PCB antenna of a kind of double frequency WiFi, the research and development needs adapting to antenna miniaturization are the problems that our needs solve.
Summary of the invention
This utility model embodiment provides the PCB antenna of a kind of double frequency WiFi, it is possible to reach clawback loss, gain reaches requirement.
Wherein, the PCB antenna of a kind of double frequency WiFi is formed electricity point and earth plate by radiating element, medium substrate, distributing point and earth plate, radiating element, distributing point and earth plate are for covering steel structure, medium substrate is FR4 dielectric-slab, radiating element is positioned at the front of medium substrate, distributing point is positioned at medium substrate side, earth plate is positioned at medium substrate reverse side, and radiating element is connected by distributing point with earth plate.
Wherein, radiating element includes the first broken line, the second broken line, third fold line, fourth fold line, the 5th broken line and the 6th broken line.
Wherein, the first broken line is vertical with the second broken line, the second broken line is vertical with third fold line, third fold line is vertical with fourth fold line, fourth fold line is vertical with the 5th broken line, the 5th broken line is vertical with the 6th broken line.
Wherein, distributing point is rectangular configuration, is connected with the circuit board of other coupling by the welding of SMA head.
Wherein, the PCB antenna of a kind of double frequency WiFi is 4dBi in the maximum gain of 2.4GHz.
Wherein, the PCB antenna of a kind of double frequency WiFi is 5dBi in the maximum gain of 5.8GHz.
Wherein, the frequency of the PCB antenna of a kind of double frequency WiFi is 2.37GHz-2.87GHz and 5.04GHz ~ 7.44GHz, containing two double frequency-bands.
Wherein, the PCB antenna of a kind of double frequency WiFi is on 2.37GHz-2.87GHz in frequency, carries a width of 500MHz, and frequency, at 5.04GHz-7.44GHz, carries a width of 2400MHz.
Pass through such scheme, the beneficial effects of the utility model are: the PCB antenna of a kind of double frequency WiFi is formed electricity point and earth plate by radiating element, medium substrate, distributing point and earth plate, radiating element, distributing point and earth plate are for covering steel structure, medium substrate is FR4 dielectric-slab, when antenna is connected with match circuit, the double frequency-band of 2.37GHz-2.87GHz and 5.04GHz ~ 7.44GHz can be formed, disclosure satisfy that clawback loss is low simultaneously, gain is high, disclosure satisfy that its volume is little, the requirement of applied range.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.Wherein:
Fig. 1 is the Facad structure schematic diagram of the PCB antenna of this utility model a kind of double frequency WiFi；
Fig. 2 is the inverse layer structure schematic diagram of the PCB antenna of this utility model a kind of double frequency WiFi；
Fig. 3 is the side structure schematic diagram of the PCB antenna of this utility model a kind of double frequency WiFi；
Fig. 4 is the radiative unit structure schematic diagram of the PCB antenna of this utility model a kind of double frequency WiFi；
Fig. 5 is the 2.4GHz antenna gain pattern of the PCB antenna of this utility model a kind of double frequency WiFi；
Fig. 6 is the 5.8GHz antenna gain pattern of the PCB antenna of this utility model a kind of double frequency WiFi；
Fig. 7 is the clawback loss of the PCB antenna of this utility model a kind of double frequency WiFi.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiment.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making performing creative labour premise, broadly fall into the scope of this utility model protection.
Refer to shown in Fig. 1,2,3,4, as shown in the figure, the PCB antenna of a kind of double frequency WiFi disclosed in the present embodiment includes radiating element 1, medium substrate 2, distributing point 3 and earth plate 4, radiating element 1, distributing point 3 and earth plate 4 are for covering steel structure, medium substrate 2 is FR4 dielectric-slab, radiating element 1 is positioned at the front of medium substrate 2, distributing point 3 is positioned at medium substrate 2 side, earth plate 4 is positioned at medium substrate 2 reverse side, and single 1 yuan of radiation is connected by distributing point with earth plate 4.In other embodiments, those skilled in the art can also utilize other metal material to replace copper, such as gold.
Preferably, radiating element includes first broken line the 11, second broken line 12, third fold line 13, fourth fold line the 14, the 5th broken line 15 and the 6th broken line 16.
Preferably, the first broken line 11 is vertical with the second broken line 12, the second broken line 12 is vertical with third fold line 13, third fold line 13 is vertical with fourth fold line 14, fourth fold line 14 is vertical with the 5th broken line 15, the 5th broken line 15 is vertical with the 6th broken line 16.
Preferably, a length of 7mm of the first broken line 11, a width of 2mm；The second a length of 2mm of broken line 12, a width of 14mm, a length of 13.75mm of third fold line 13, a width of 2mm, the a length of 14mm of fourth fold line 14, a width of 3.5mm, the 5th a length of 4.25mm of broken line 15, a width of 2mm, the 6th a length of 7mm of broken line 16, a width of 2mm, first broken line 11 is 1mm away from right side edge distance.
Preferably, distributing point 2 is rectangular configuration, is connected with the circuit board of other coupling by the welding of SMA head, the long 3.5mm of distributing point 2, wide 1.52mm.
Preferably, earth plate 4 is rectangular configuration, is connected with radiating element by distributing point 2, the long 40mm of earth plate, wide 11mm.
Preferably, the PCB antenna of a kind of double frequency WiFi is 4dBi in the maximum gain of 2.4GHz.
Preferably, the PCB antenna of a kind of double frequency WiFi is 5dBi in the maximum gain of 5.8GHz.Preferably, the frequency of the PCB antenna of a kind of double frequency WiFi is 2.37GHz-2.87GHz and 5.04GHz ~ 7.44GHz, containing two double frequency-bands.
Preferably, the PCB antenna of a kind of double frequency WiFi is on 2.37GHz-2.87GHz in frequency, carries a width of 500MHz, and frequency, at 5.04GHz-7.44GHz, carries a width of 2400MHz.
Preferably, a length of 40mm of PCB antenna of a kind of double frequency WiFi, a width of 35mm, thickness is 1.5mm.
Refer to shown in Fig. 5,6,7, in impedance bandwidth, the return loss requirement of the PCB antenna of a kind of double frequency WiFi is less than-10dB, and disclosed in the present embodiment, the return loss of the PCB antenna 10 of a kind of double frequency WiFi can reach-25dB, is requiring that band limits internal impedance meets requirement.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (6)
1. the PCB antenna of a double frequency WiFi, it is characterized in that, the PCB antenna of described a kind of double frequency WiFi is by radiating element, medium substrate, distributing point and earth plate composition, radiating element, distributing point and earth plate are for covering steel structure, medium substrate is FR4 dielectric-slab, radiating element is positioned at the front of medium substrate, distributing point is positioned at medium substrate side, earth plate is positioned at medium substrate reverse side, radiating element is connected by distributing point with earth plate, the frequency of the PCB antenna of this kind of double frequency WiFi is 2.37GHz-2.87GHz and 5.04GHz ~ 7.44GHz, containing two double frequency-bands.
The PCB antenna of a kind of double frequency WiFi the most according to claim 1, it is characterized in that, described radiating element includes the first broken line, the second broken line, third fold line, fourth fold line, the 5th broken line and the 6th broken line, and the first broken line is vertical with the second broken line, the second broken line is vertical with third fold line, third fold line is vertical with fourth fold line, fourth fold line is vertical with the 5th broken line, the 5th broken line is vertical with the 6th broken line.
The PCB antenna of a kind of double frequency WiFi the most according to claim 1, it is characterised in that described distributing point is rectangular configuration, is connected with the circuit board of other coupling by the welding of SMA head.
The PCB antenna of a kind of double frequency WiFi the most according to claim 1, it is characterised in that the PCB antenna of described a kind of double frequency WiFi is 4dBi in the maximum gain of 2.4GHz.
The PCB antenna of a kind of double frequency WiFi the most according to claim 1, it is characterised in that the PCB antenna of described a kind of double frequency WiFi is 5dBi in the gain of 5.8GHz.
The PCB antenna of a kind of double frequency WiFi the most according to claim 1, it is characterised in that the PCB antenna of described a kind of double frequency WiFi is on 2.37GHz ~ 2.87GHz in frequency, carries a width of 500MHz, and frequency, at 5.04GHz ~ 7.44GHz, carries a width of 2400MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343087.7U CN205583133U (en) | 2016-04-22 | 2016-04-22 | Dual -frenquency wiFi's PCB antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343087.7U CN205583133U (en) | 2016-04-22 | 2016-04-22 | Dual -frenquency wiFi's PCB antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583133U true CN205583133U (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620343087.7U Expired - Fee Related CN205583133U (en) | 2016-04-22 | 2016-04-22 | Dual -frenquency wiFi's PCB antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205583133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762510A (en) * | 2016-04-22 | 2016-07-13 | 青岛中科移动物联科技有限公司 | PCB antenna of double-frequency WiFi |
| CN106450699A (en) * | 2016-11-01 | 2017-02-22 | 上海冷王智能科技有限公司 | 433MHz PCB antenna |
-
2016
- 2016-04-22 CN CN201620343087.7U patent/CN205583133U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762510A (en) * | 2016-04-22 | 2016-07-13 | 青岛中科移动物联科技有限公司 | PCB antenna of double-frequency WiFi |
| CN106450699A (en) * | 2016-11-01 | 2017-02-22 | 上海冷王智能科技有限公司 | 433MHz PCB antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20190422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |