CN105762510A - PCB antenna of double-frequency WiFi - Google Patents
PCB antenna of double-frequency WiFi Download PDFInfo
- Publication number
- CN105762510A CN105762510A CN201610253274.0A CN201610253274A CN105762510A CN 105762510 A CN105762510 A CN 105762510A CN 201610253274 A CN201610253274 A CN 201610253274A CN 105762510 A CN105762510 A CN 105762510A
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- CN
- China
- Prior art keywords
- broken line
- pcb antenna
- double frequency
- frequency wifi
- medium substrate
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- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a PCB antenna of a double-frequency WiFi. The PCB antenna of the double-frequency WiFi is formed by a radiation unit, a medium substrate, a feeding point and a grounding plate. The radiation unit, the feeding point and the grounding plate are copper-cladding structures. The medium substrate is a FR4 medium plate and contains two frequency bands of 2.4GHz and 5.8GHz. The antenna possesses characteristics that the size is small; usage is convenient; callback losses are small and a gain is high.
Description
Technical field
The present invention relates to antenna technical field, particularly relate 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 subject to distance limit, utilizes wireless communication system to carry out the transmission of information and information.And antenna is one of element important in wireless communication field, currently in order to the diversity of the size reduction of response electronic product and 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 the development of wireless communication technology and electronic technology, the wireless electronic product in daily life becomes more and more less, more and more thinner, and increasingly gentlier, 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
Embodiments provide 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 floor 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, tri linear, the 4th broken 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 tri linear, tri linear is vertical with the 4th broken line, the 4th broken 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, and bandwidth is 500MHz, and frequency is at 5.04GHz-7.44GHz, and bandwidth is 2400MHz.
Pass through such scheme, the invention has the beneficial effects as follows: the PCB antenna of a kind of double frequency WiFi is formed floor 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, it is possible to form the double frequency-band of 2.37GHz-2.87GHz and 5.04GHz ~ 7.44GHz, disclosure satisfy that clawback loss is low simultaneously, gain is high, it is possible to meet its volume little, the requirement of applied range.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise 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 a kind of double frequency WiFi of the present invention；
Fig. 2 is the inverse layer structure schematic diagram of the PCB antenna of a kind of double frequency WiFi of the present invention；
Fig. 3 is the side structure schematic diagram of the PCB antenna of a kind of double frequency WiFi of the present invention；
Fig. 4 is the radiative unit structure schematic diagram of the PCB antenna of a kind of double frequency WiFi of the present invention；
Fig. 5 is the 2.4GHz antenna gain pattern of the PCB antenna of a kind of double frequency WiFi of the present invention；
Fig. 6 is the 5.8GHz antenna gain pattern of the PCB antenna of a kind of double frequency WiFi of the present invention；
Fig. 7 is the clawback loss of the PCB antenna of a kind of double frequency WiFi of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making performing creative labour premise, broadly fall into the scope of protection of the invention.
Refer to shown in Fig. 1,2,3,4, as shown in the figure, the PCB antenna of a kind of double frequency WiFi that the present embodiment is disclosed is made up of 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, for instance gold.
Preferably, radiating element includes first broken line the 11, second broken line 12, tri linear the 13, the 4th broken 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 tri linear 13, tri linear 13 is vertical with the 4th broken line 14, the 4th broken line 14 is vertical with the 5th broken line 15, the 5th broken line 15 is vertical with the 6th broken line 16.
Preferably, the length of the first broken line 11 is 7mm, wide for 2mm；Second broken line 12 is long for 2mm, wide for 14mm, and tri linear 13 is long for 13.75mm, wide for 2mm, 4th broken line 14 is long for 14mm, wide for 3.5mm, and the 5th broken line 15 is long for 4.25mm, wide for 2mm, 6th broken line 16 is long for 7mm, and wide for 2mm, the first broken line 11 is 1mm 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, and bandwidth is 500MHz, and frequency is at 5.04GHz-7.44GHz, and bandwidth is 2400MHz.
Preferably, the PCB antenna length of a kind of double frequency WiFi is 40mm, and wide for 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 the return loss of the PCB antenna 10 of the disclosed a kind of double frequency WiFi of the present embodiment can reach-25dB, is requiring that band limits internal impedance meets requirement.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (6)
1. the PCB antenna of a double frequency WiFi, it is characterized in that, described, the PCB antenna of 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.
2. the PCB antenna of a kind of double frequency WiFi according to claim 1, it is characterized in that, described radiating element includes the first broken line, the second broken line, tri linear, the 4th broken line, the 5th broken line and the 6th broken line, preferably, the first broken line is vertical with the second broken line, the second broken line is vertical with tri linear, tri linear is vertical with the 4th broken line, the 4th broken line is vertical with the 5th broken line, the 5th broken line is vertical with the 6th broken line.
3. the PCB antenna of a kind of double frequency WiFi 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.
4. the PCB antenna of a kind of double frequency WiFi 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.
5. the PCB antenna of a kind of double frequency WiFi according to claim 1, it is characterised in that the PCB antenna of described a kind of double frequency WiFi?The gain of 5.8GHz is 5dBi.
6. the PCB antenna of a kind of double frequency WiFi 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, and bandwidth is 500MHz, frequency is at 5.04GHz ~ 7.44GHz, and bandwidth is 2400MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253274.0A CN105762510A (en) | 2016-04-22 | 2016-04-22 | PCB antenna of double-frequency WiFi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253274.0A CN105762510A (en) | 2016-04-22 | 2016-04-22 | PCB antenna of double-frequency WiFi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105762510A true CN105762510A (en) | 2016-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253274.0A Pending CN105762510A (en) | 2016-04-22 | 2016-04-22 | PCB antenna of double-frequency WiFi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105762510A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058453A (en) * | 2016-07-20 | 2016-10-26 | 深圳洲斯移动物联网技术有限公司 | 433MHz microstrip antenna |
| CN106207434A (en) * | 2016-08-23 | 2016-12-07 | 深圳洲斯移动物联网技术有限公司 | A kind of 433MHz ceramic antenna |
| WO2020134352A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Antenna and vehicle-mounted device |
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| US20050156783A1 (en) * | 2004-01-20 | 2005-07-21 | Yihua Lu | Dual-band antenna |
| US20070247369A1 (en) * | 2006-04-21 | 2007-10-25 | Hon Hai Precision Industry Co., Ltd. | Dual-band antenna |
| US7375685B1 (en) * | 2006-04-18 | 2008-05-20 | The United States Of America As Represented By The Secretary Of The Army | Dual band electrically small microstrip antenna |
| KR20090069748A (en) * | 2007-12-26 | 2009-07-01 | 서강대학교산학협력단 | Ultra wide band planar antenna |
| CN101483268A (en) * | 2009-02-23 | 2009-07-15 | 中国科学院光电技术研究所 | Different surface bending dual frequency LTCC antenna |
| CN201601223U (en) * | 2009-11-02 | 2010-10-06 | 上海无线通信研究中心 | Small-sized dual-band omni-directional microstrip antenna |
| CN102780081A (en) * | 2012-07-17 | 2012-11-14 | 中兴通讯股份有限公司 | Dual-band antenna |
| CN103490155A (en) * | 2013-09-24 | 2014-01-01 | 西安电子科技大学 | Four-frequency-band printed antenna applied to wireless communications |
| CN104733857A (en) * | 2015-03-26 | 2015-06-24 | 电子科技大学 | Miniaturized high-isolation dual-band MOMO antenna |
| CN204885404U (en) * | 2015-09-02 | 2015-12-16 | 深圳洲斯移动物联网技术有限公司 | Small -size PFC antenna that is applicable to bluetooth frequency channel |
| CN205141133U (en) * | 2015-11-23 | 2016-04-06 | 福建省泉州华鸿通讯有限公司 | Dual -frenquency omnidirectional antenna who uses at wireless LAN |
| CN205583133U (en) * | 2016-04-22 | 2016-09-14 | 青岛中科移动物联科技有限公司 | Dual -frenquency wiFi's PCB antenna |
-
2016
- 2016-04-22 CN CN201610253274.0A patent/CN105762510A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW413968B (en) * | 1998-07-10 | 2000-12-01 | Ind Tech Res Inst | Wideband microstrip antenna |
| US20050156783A1 (en) * | 2004-01-20 | 2005-07-21 | Yihua Lu | Dual-band antenna |
| US7375685B1 (en) * | 2006-04-18 | 2008-05-20 | The United States Of America As Represented By The Secretary Of The Army | Dual band electrically small microstrip antenna |
| US20070247369A1 (en) * | 2006-04-21 | 2007-10-25 | Hon Hai Precision Industry Co., Ltd. | Dual-band antenna |
| KR20090069748A (en) * | 2007-12-26 | 2009-07-01 | 서강대학교산학협력단 | Ultra wide band planar antenna |
| CN101483268A (en) * | 2009-02-23 | 2009-07-15 | 中国科学院光电技术研究所 | Different surface bending dual frequency LTCC antenna |
| CN201601223U (en) * | 2009-11-02 | 2010-10-06 | 上海无线通信研究中心 | Small-sized dual-band omni-directional microstrip antenna |
| CN102780081A (en) * | 2012-07-17 | 2012-11-14 | 中兴通讯股份有限公司 | Dual-band antenna |
| CN103490155A (en) * | 2013-09-24 | 2014-01-01 | 西安电子科技大学 | Four-frequency-band printed antenna applied to wireless communications |
| CN104733857A (en) * | 2015-03-26 | 2015-06-24 | 电子科技大学 | Miniaturized high-isolation dual-band MOMO antenna |
| CN204885404U (en) * | 2015-09-02 | 2015-12-16 | 深圳洲斯移动物联网技术有限公司 | Small -size PFC antenna that is applicable to bluetooth frequency channel |
| CN205141133U (en) * | 2015-11-23 | 2016-04-06 | 福建省泉州华鸿通讯有限公司 | Dual -frenquency omnidirectional antenna who uses at wireless LAN |
| CN205583133U (en) * | 2016-04-22 | 2016-09-14 | 青岛中科移动物联科技有限公司 | Dual -frenquency wiFi's PCB antenna |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058453A (en) * | 2016-07-20 | 2016-10-26 | 深圳洲斯移动物联网技术有限公司 | 433MHz microstrip antenna |
| CN106207434A (en) * | 2016-08-23 | 2016-12-07 | 深圳洲斯移动物联网技术有限公司 | A kind of 433MHz ceramic antenna |
| WO2020134352A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Antenna and vehicle-mounted device |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160713 |
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| WD01 | Invention patent application deemed withdrawn after publication |