CN202474202U - Printed circuit board-type double-frequency wideband antenna - Google Patents
Printed circuit board-type double-frequency wideband antenna Download PDFInfo
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- CN202474202U CN202474202U CN2012200360535U CN201220036053U CN202474202U CN 202474202 U CN202474202 U CN 202474202U CN 2012200360535 U CN2012200360535 U CN 2012200360535U CN 201220036053 U CN201220036053 U CN 201220036053U CN 202474202 U CN202474202 U CN 202474202U
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Abstract
The utility model relates to a printed circuit board-type double-frequency wideband antenna. The double-frequency wideband antenna comprises a printed circuit board, and an asymmetric dipole antenna is formed on the surface of the printed circuit board. The asymmetric dipole antenna is provided with a signal input side and a coplanar waveguide feed-in region, and a high-frequency radiation path and a low-frequency radiation path of double-frequency resonance are formed on the other side extending from the feed-in region. A high-frequency radiation signal wire is surrounded by a ground wire of the low-frequency radiation path. Slots are chiseled respectively to obtain greater receiving effect of working bandwidth. The purposes of improving the receiving effect of double-frequency signals and gaining the utilization rate of signal bandwidth are achieved in a manner that the high-frequency radiation signal wire is electrically connected with a metal conductor of a signal transmission part, and signals received by a signal output side arranged on the other side of the metal conductor is output to external equipment.
Description
Technical field
The utility model provides a kind of printed circuit board double frequency wide frequency antenna; You Zhike increases the antenna work bandwidth, reaches the double frequency wide frequency antenna of multiband operation purpose; Through asymmetric dipole antenna on the printed circuit board (PCB); With the mode that earth connection surrounds holding wire, increase the work bandwidth of antenna, reach the purpose of multistage operation.
Background technology
Along with the continuous progress of electronics technology industry, and drive the flourish of wireless telecommunications industry, electronics/electric product of using in many daily lifes; Also all carry out the transmission of signal through wireless transmission method, such as intelligent mobile phone, Global System for Mobile Communication (GSM), PDA(Personal Digital Assistant) or computer and perimeter equipment and Wi-Fi, notebook computer and Wi-Fi etc., and in various electronics/electric product; Antenna then has considerable role; General antenna also must have the more operation frequency range (Bandwidth) of wide area except possessing low catadioptric loss (Return Loss), receives the signal of relevant frequency range for antenna; And the double frequency band aerial of use at present; Low-frequency band person as Global System for Mobile Communication (Global System For Mobile Communications, GSM), its frequency range is between for 880MHz～960MHz; And high frequency band; As wideband divide the work multiple acquisition system (Wideband Code Division Multiple Access, WCDMA), its frequency range is then between 1920MHz～2170MHz; Low, high-band antenna signal except these frequency ranges.
Yet; Communication environment is except Global System for Mobile Communication (GSM) now; Also include code division multiple access system (CDMA), digital communications system (DCS), personal communication services (PCS) system (PCS) and wideband and divide the work multiple acquisition system (WCDMA) etc.; All kinds of pattern communication systems, and the frequency band of these a plurality of communication systems is approximately between 824MHz～880MHz, 1710MHz～1880MHz, 1850MHz～1990MHz, 1920MHz～2170MHz; Because though present antenna assembly is applicable to single band or double frequency-band; But the interval range that frequency range can be used is then quite limited; General 13% the frequency range utilance of only having an appointment, and increase the frequency range of antenna work in method, can't be in response to the signal transmission of various communication systems; The result of use of antenna also is restricted, and can not carry out the operation of multiband.
Be with; The work bandwidth that how to improve present antenna is confined to specific band region, is difficult for expanding puzzlement and the trouble that increases; And low few problem and the disappearance of communication system that is suitable for of the frequency range utilance of antenna is the relevant manufacturer that is engaged in the industry and desires most ardently the direction place that research improves.
Summary of the invention
The designer of the utility model is because above-mentioned problem and disappearance; Collect related data; Via assessing in many ways and consider, and to engage in the many years of experience of the industry accumulation, via constantly studying and revising; Beginning is designed this kind can increase the work bandwidth of antenna, also assist the adjustment impedance matching, and the utility model patent that reaches the printed circuit board double frequency wide frequency antenna of multiband operation purpose is born.
The main purpose of the utility model is the printed circuit board (PCB) of this antenna, and in a side moulding asymmetric dipole antenna, non-opposite supporting type dipole antenna is provided with the signal input side; Can receive broadband signal; And adjacent signals input side reshaping co-plane waveguide feed-in district, and extend toward opposite side by the feed-in district and to form high frequency radiation path, the low frequency radiation path of double-frequency resonance respectively, and utilize the earth connection in low frequency radiation path; Surround the holding wire of high frequency radiation; With the bigger work bandwidth reception of acquisition, and supply the metallic conductor of signal transport part to be electrically connected through the holding wire of high frequency radiation, and through the set signal outlet side of metallic conductor opposite side; The signal that receives is sent out outside facility, reach the reception that promotes two-frequency signal, the purpose of gain signal frequency range utilance.
The secondary objective of the utility model is the asymmetric dipole antenna of this printed circuit board (PCB), for reaching the double-frequency resonance effect, is the radiation path of high frequency with the holding wire, and its path is near the quarter-wave of high-frequency work frequency range; With the earth connection is the radiation path of low frequency, and its path also is the quarter-wave near the low frequency operation frequency range.
A purpose again of the utility model is the earth connection of the co-plane waveguide of this antenna, utilizes cutter on variation and the earth connection of live width to set out at least one slotted eye, to obtain bigger low frequency operation frequency range.
Another purpose of the utility model is the high frequency radiation path of the holding wire of this antenna; For adopt top Loading Method (Top-loading) cutter to set out in the signal input side to one slotted eye; With work bandwidth, the also assistance adjustment impedance matching that increases antenna, to obtain bigger high-frequency work frequency range.
For reaching above-mentioned purpose, the utility model provides a kind of printed circuit board double frequency wide frequency antenna, comprises printed circuit board (PCB), signal transport part, wherein:
This printed circuit board (PCB) has the asymmetric dipole antenna in surface forming; And be provided with signal input side, the co-plane waveguide feed-in district that receives broadband signal, extend high frequency radiation path and the low frequency radiation path that forms double-frequency resonance respectively toward opposite side by the feed-in district again;
This signal transport part is electrically connected and is located at printed circuit board (PCB), is provided with radiation path and is electrically connected metallic conductor, and be provided with the signal outlet side that signal is transmitted in the metallic conductor opposite side.
Described printed circuit board double frequency wide frequency antenna, wherein, the signal input side of this printed circuit board (PCB), through the top Loading Method, the load operations of bigger high-frequency work frequency range is obtained in moulding.
Described printed circuit board double frequency wide frequency antenna; Wherein, This load operations is in the signal input side of circuit board; Load cutter and establish at least one or more than one high frequency slotted eye of the bigger work bandwidth of acquisition, and the high frequency slotted eye of at least one, regular shape or erose slotted eyes such as rounded, oval, rectangle.
Described printed circuit board double frequency wide frequency antenna, wherein, the high frequency radiation path of this double-frequency resonance is a holding wire; The low frequency radiation path, then be earth connection; And utilize earth connection to surround holding wire to constitute co-plane waveguide feed-in district.
Described printed circuit board double frequency wide frequency antenna; Wherein, the earth connection in this low frequency radiation path sets out at least one low frequency slotted eye of the bigger work bandwidth of acquisition for cutter; The low frequency slotted eye of at least one, regular shape or erose slotted eye such as rounded, oval, rectangle.
Described printed circuit board double frequency wide frequency antenna; Wherein, This double frequency wide frequency antenna is provided with and coats the outside protecting sheathing of printed circuit board (PCB); And be provided with the receiving space of taking in printed circuit board (PCB) in protecting sheathing inside, be provided with the signal outlet side that supplies the signal transport part in receiving space one side again and extend the outside location notch of protecting sheathing.
Described printed circuit board double frequency wide frequency antenna, wherein, the signal outlet side of this signal transport part is provided with the steering knuckle of the location notch that is assembled in protecting sheathing.
Description of drawings
Fig. 1 is the stereo appearance figure of the utility model;
Fig. 2 is the three-dimensional exploded view of the utility model;
Fig. 3 is the vertical view of the utility model;
Fig. 4 loses the experimental amount mapping for returning of the utility model antenna;
Fig. 5 is the radiation efficiency table of the utility model antenna.
Description of reference numerals: 1, printed circuit board (PCB); 11, dipole antenna; 13, feed-in district; 12, signal input side; 121, holding wire; 122, high frequency slotted eye; 14, earth connection; 141, line width variation; 142, low frequency slotted eye; 2, signal transport part; 21, metallic conductor; 22, signal outlet side; 23, steering knuckle; 231, fixed part; 3, protecting sheathing; 30, receiving space; 31, location notch.
Embodiment
For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof are drawn now and are explained in detail that with regard to the preferred embodiment of the utility model its characteristic and function are following, in order to understanding fully.
See also Fig. 1, Fig. 2, shown in Figure 3, be stereo appearance figure, three-dimensional exploded view, the vertical view of the utility model, find out that by knowing shown in the figure wide frequency antenna of the utility model comprises printed circuit board (PCB) 1 and signal transport part 2, wherein:
This printed circuit board (PCB) 1 is in a side surface moulding asymmetric dipole antenna 11; And a side of asymmetric dipole antenna 11 is provided with signal input side 12; And in the adjacent inboard of signal input side 12, be respectively equipped with co-plane waveguide feed-in district 13 and signal input side 12 and extended holding wire 121 again, then surround the earth connection 14 of asymmetric in holding wire 121 both sides toward opposite sides.
This signal transport part 2 has metallic conductor 21, and is provided with signal outlet side 22 in metallic conductor 21 1 sides.
Above-mentioned each member is when assembling; Be to utilize the holding wire 121 that signal input side 12 is extended on the printed circuit board (PCB) 1; Supply the metallic conductor 21 of signal transport part 2 to be electrically connected to combine (can be welding or high frequency welds or mode such as conducting resinl combines, conducts), can pass through the antennas of printed circuit board (PCB) 1, signal transport part 2 groups of formations the utility model.
And the antenna of above-mentioned the utility model; Can cover protecting sheathing 3 in printed circuit board (PCB) 1 outer cup, be provided with the location notch 31 that connects to outside, supply printed circuit board (PCB) 1 assembling, be positioned in the receiving space 30 through protecting sheathing 3 inner accepting space 30 and in receiving space 30 1 sides; Again by the signal efferent 2 of printed circuit board (PCB) 1 one sides; Utilize signal outlet side 22 to pass location notch 31, extend to receiving space 30 outsides, and signal efferent 2 is provided with steering knuckle 23 in signal outlet side 22, the fixed part 231 of steering knuckle 23 promptly capable of using; Be embedded the location notch 31 that is positioned protecting sheathing 3; Then group constitutes antenna, for the transmission of carrying out wireless signal, and can be through the direction of rotation of steering knuckle 23 adjusting printed circuit board (PCB)s 1 with protecting sheathing 3.
And printed circuit board (PCB) 1 is in the asymmetric dipole antenna 11 of surface forming, constitutes dipole structure by signal input side 12, holding wire 121 and the earth connection 14 that is coated on holding wire 12 both sides; And in order to reach the usefulness of double-frequency resonance; Then utilize signal input side 12, holding wire 121 to be the radiation path of high frequency; Its length is the radiation path of low frequency with earth connection 14 near the quarter-wave of high-frequency work frequency range again, and then length is the quarter-wave near the low frequency operation frequency range; And above-mentioned working frequency range wavelength then is to calculate with the centre frequency of corresponding working frequency range; So antenna of institute's moulding; Signal feed structure then is to adopt asymmetrical co-plane waveguide feed-in method (Co-planar waveguide); The holding wire 121 (high frequency radiation path) of the signal input side 12 through antenna; Surrounded by asymmetric earth connection 14 (low frequency radiation path), constitute the unipole antenna of similar co-plane waveguide feed-in, and then increase the work bandwidth of antenna for the whole pattern of antenna.
Moreover; The signal input side 12 of antenna adopts top Loading Method (Top-loading), sets out the high frequency slotted eye 122 (SLOT) of at least one at signal input side 12 cutters; With work bandwidth, the also assistance adjustment impedance matching that increases antenna, to obtain the load operations of bigger high-frequency work frequency range; At least one or more than one high frequency slotted eye 122 can be rounded, oval, regular shape such as rectangle or irregularly shaped etc., the slotted eye of various types.
As for the earth connection 14 of antenna, on the earth connection 14 of co-plane waveguide, utilize the line width variation 141 of earth connection 14 and cutter to establish the low frequency slotted eye 142 (SLOT) of at least one, and can obtain bigger low frequency operation frequency range; The low frequency slotted eye 142 of at least one then can be rounded, oval, regular shape such as rectangle or irregularly shaped etc., the slotted eye of various types.
And the antenna of the utility model is adopted LTE frequency range (can be useful in simultaneously: code division multiple access system [CDMA], Global System for Mobile Communication [GSM], digital communications system [DCS], personal communication services (PCS) system [PCS] and wideband divide the work multiple acquisition system [WCDMA] etc.).
See also Fig. 2, Fig. 3, Fig. 4, shown in Figure 5; The radiation efficiency table that returns loss experimental amount mapping, antenna for the three-dimensional exploded view of the utility model, vertical view, antenna; Find out by knowing shown in the figure; In the antenna operation frequency range preferred embodiment of the utility model, utilize asymmetric dipole antenna 11 on the printed circuit board (PCB) 1, load cutter in the top of signal input side 12 and establish the line width variation 141 of high frequency slotted eye 122, co-plane waveguide feed-in district 13 and earth connection 14, cut a hole and establish low frequency slotted eye 142; If the centre frequency of antenna is about the 2.5GHz frequency band; And under the definition of voltage standing wave ratio less than 2.5 (VSWR), the operation frequency range of the low frequency of the operation mode impedance frequency range of antenna is: 790MHz～960MHz, and the operation frequency range of the high frequency of antenna is: 1710MHz～2690MHz; Through increasing the work bandwidth of antenna; Make antenna obtain good impedance matching; And can reach the purpose that multiband is operated; The radiation efficiency of gain antenna can reach and contain wireless wide-area networking (GSM850 [824MHz～894MHz]/900 [890MHz～960MHz]/1800 [1710MHz～1880MHz]/1900 [1850MHz～1990MHz]/UMTS [1920MHz～2170MHz]) etc., the operation purpose of the multiband of the wideband of the high and low double frequency of gain antenna.
Be with, the above is merely the preferred embodiment of the utility model, non-so the limitation the utility model claim; The printed circuit board double frequency wide frequency antenna of the utility model, in the surface forming asymmetric dipole antenna 11 of printed circuit board (PCB) 1, and in the signal input side 12 of dipole antenna 11; Extend holding wire 121 and receive the encirclement of earth connection 14, promptly utilize holding wire 121 to be the radiation path of high frequency, then earth connection 14 is the radiation path of low frequency; And on signal input side 12, earth connection 14, cut a hole respectively and establish high frequency slotted eye 122, low frequency slotted eye 142; And reach gain antenna work bandwidth, obtain good impedance matching, form the purpose of multiband operation, make the unipole antenna of the similar co-plane waveguide feed-in of the whole pattern of antenna again through asymmetric dipole antenna 11; Can increase the work bandwidth of antenna; And can reach the usefulness of assisting to adjust impedance matching, obtaining bigger work bandwidth, and contained by the utility model so can reach structure, the device of aforementioned effect such as, simple and easy modification of this kind and equivalent structure change; All should in like manner be contained in the claim of the utility model, close and give Chen Ming.
So the utility model is primarily aimed at the design of printed circuit board double frequency wide frequency antenna, utilize that holding wire is the radiation path of high frequency on the printed circuit board (PCB); Be enclosed in the outer earth connection of holding wire, be the radiation path of low frequency, and establish slotted eye through the cutter of holding wire and earth connection; And make antenna obtain bigger work bandwidth is main key protection point, and can reach the purpose of multiband operator scheme, is the advantage that the work bandwidth of the high and low frequency of antenna is increased; But the function utilized of the frequency range rate of gain antenna then, yet the above is merely the preferred embodiment of the utility model; Non-so promptly limit to the claim of the utility model; So the simple and easy modification and the equivalent structure that use the utility model specification and graphic content to do such as change, and all should in like manner be contained in the claim of the utility model, close and give Chen Ming.
In sum, the above-mentioned printed circuit board double frequency of the utility model wide frequency antenna is when reality is used, for reaching its effect and purpose really; So the utility model really is the excellent utility model of a practicality, for meeting the application important document of novel patent, file an application in the whence in accordance with the law; Expect that examining committee grants accurate this case early, with the designer's that ensures the utility model arduous creation, if an ancient unit of weight office examine committee have any check doubtful; The indication of please writing to us without sparing, settled the doing one's utmost of the designer of the utility model cooperates, and the true feeling moral is just.
Claims (7)
1. a printed circuit board double frequency wide frequency antenna is characterized in that, comprises printed circuit board (PCB), signal transport part, wherein:
This printed circuit board (PCB) has the asymmetric dipole antenna in surface forming; And be provided with signal input side, the co-plane waveguide feed-in district that receives broadband signal, extend high frequency radiation path and the low frequency radiation path that forms double-frequency resonance respectively toward opposite side by the feed-in district again;
This signal transport part is electrically connected and is located at printed circuit board (PCB), is provided with radiation path and is electrically connected metallic conductor, and be provided with the signal outlet side that signal is transmitted in the metallic conductor opposite side.
2. printed circuit board double frequency wide frequency antenna as claimed in claim 1 is characterized in that, the signal input side of this printed circuit board (PCB), and through the top Loading Method, the load operations of bigger high-frequency work frequency range is obtained in moulding.
3. printed circuit board double frequency wide frequency antenna as claimed in claim 2; It is characterized in that; This load operations is in the signal input side of circuit board; Load cutter and establish at least one or more than one high frequency slotted eye of the bigger work bandwidth of acquisition, and the high frequency slotted eye of at least one, the slotted eye of rounded, ellipse or rectangle.
4. printed circuit board double frequency wide frequency antenna as claimed in claim 1 is characterized in that the high frequency radiation path of this double-frequency resonance is a holding wire; The low frequency radiation path, then be earth connection; And utilize earth connection to surround holding wire to constitute co-plane waveguide feed-in district.
5. printed circuit board double frequency wide frequency antenna as claimed in claim 4; It is characterized in that the earth connection in this low frequency radiation path sets out at least one low frequency slotted eye of the bigger work bandwidth of acquisition for cutter; The low frequency slotted eye of at least one, the slotted eye of rounded, ellipse or rectangle.
6. printed circuit board double frequency wide frequency antenna as claimed in claim 1; It is characterized in that; This double frequency wide frequency antenna is provided with and coats the outside protecting sheathing of printed circuit board (PCB); And be provided with the receiving space of taking in printed circuit board (PCB) in protecting sheathing inside, be provided with the signal outlet side that supplies the signal transport part in receiving space one side again and extend the outside location notch of protecting sheathing.
7. printed circuit board double frequency wide frequency antenna as claimed in claim 1 is characterized in that, the signal outlet side of this signal transport part is provided with the steering knuckle of the location notch that is assembled in protecting sheathing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200360535U CN202474202U (en) | 2012-02-03 | 2012-02-03 | Printed circuit board-type double-frequency wideband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200360535U CN202474202U (en) | 2012-02-03 | 2012-02-03 | Printed circuit board-type double-frequency wideband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202474202U true CN202474202U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200360535U Expired - Lifetime CN202474202U (en) | 2012-02-03 | 2012-02-03 | Printed circuit board-type double-frequency wideband antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202474202U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990674A (en) * | 2015-02-13 | 2016-10-05 | 富士康(昆山)电脑接插件有限公司 | Multi-band antenna |
| CN112635982A (en) * | 2019-10-09 | 2021-04-09 | 江苏骅盛车用电子股份有限公司 | Short-circuit coplanar waveguide-fed dual-polarized broadband antenna |
| TWI789298B (en) * | 2022-05-05 | 2023-01-01 | 國立臺北科技大學 | Coplanar waveguide ultra-wideband antenna |
-
2012
- 2012-02-03 CN CN2012200360535U patent/CN202474202U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990674A (en) * | 2015-02-13 | 2016-10-05 | 富士康(昆山)电脑接插件有限公司 | Multi-band antenna |
| CN105990674B (en) * | 2015-02-13 | 2019-05-17 | 富士康(昆山)电脑接插件有限公司 | Multifrequency antenna |
| CN112635982A (en) * | 2019-10-09 | 2021-04-09 | 江苏骅盛车用电子股份有限公司 | Short-circuit coplanar waveguide-fed dual-polarized broadband antenna |
| TWI789298B (en) * | 2022-05-05 | 2023-01-01 | 國立臺北科技大學 | Coplanar waveguide ultra-wideband antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |