CN101005153B - Antenna apparatus - Google Patents
Antenna apparatus Download PDFInfo
- Publication number
- CN101005153B CN101005153B CN2006100643622A CN200610064362A CN101005153B CN 101005153 B CN101005153 B CN 101005153B CN 2006100643622 A CN2006100643622 A CN 2006100643622A CN 200610064362 A CN200610064362 A CN 200610064362A CN 101005153 B CN101005153 B CN 101005153B
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- CN
- China
- Prior art keywords
- mentioned
- antenna
- base plate
- dielectric base
- formation portion
- Prior art date
- 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.)
- Expired - Fee Related
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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
- H01Q1/005—Damping of vibrations; Means for reducing wind-induced forces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Abstract
The present invention provides a flat antenna apparatus which will not easily suffer wind pressure, has light weight, beautiful appearance and good feed voltage characteristic and is especially adapted to wireless microphone. The antenna apparatus (1A) is formed by mounting a yagi-uda antenna including various antenna elements (20) such as directors (20a-20c), an emitter (20d) and a reflector (20e) on a dielectric substrate (10) made of rigid materials. The various antenna elements (20 (20a-20e)) form various central parts of multiple parallel element forming parts (11 (11a-11e)) that are linked together by a main frame plate (12) in prescribed space, and form space parts (13 (13a-13d)) among the elements forming parts (11 (11a-11e)).
Description
Technical field
The antenna assembly that the present invention relates on dielectric base plate, form Yagi antenna (Yagi Antenna) and process; Specifically, relate generally to and be suitable for as antenna assembly such as the wireless microphone of use in the stage of indoor or outdoors or recording studio etc. with reception antenna.
Background technology
The antenna assembly that the present invention relates on dielectric base plate to form Yagi antenna and process specifically, relates generally to and is suitable for as the antenna assembly with reception antenna such as the wireless microphone of use in the stage of indoor or outdoors or recording studio etc.
Common Yagi antenna disposes each antenna element (antenna element) of the director of being processed by metal bar, reflector and reflector in parallel to each other with the interval of regulation and processes; But in the last few years, for example in WLL etc., used (for example with reference to patent documentation 1 (the open H11-177338 communique of Japan Patent), patent documentation 2 (Japan Patent discloses the 2005-142925 communique)) at Yagi antenna that each antenna element of configuration on the dielectric base plate forms plane.
In the prior art; This plane Yagi antenna is that the antenna body that on dielectric base plate, forms is accommodated in the synthetic resin box body, and via being arranged on installation accessory in this synthetic resin box body with towards the mode of prescribed direction and be contained in to be arranged at and use on the for example outdoor antenna back shaft.
But because be plane, so box body receives the area of wind big, therefore when receiving high wind, the direction of antenna will change.Because the directive property of Yagi antenna is strong, so when the direction of antenna changed, the receiving sensitivity of electric wave descended, and causes communication failure through regular meeting.
Therefore; In the invention of in patent documentation 1, putting down in writing; Be received in the box body and the enclosed type Yagi antenna that is provided with for the Yagi antenna that will on dielectric base plate, form; Through there not being the part of antenna element in the Yagi antenna, in box body, being provided for the through hole that ventilates, thereby being not easy to suffer blast.
But; The plane Yagi antenna of processing will on dielectric base plate, forming antenna element; Be used under the situation of reception antenna of the wireless microphone that uses in stage or the recording studio etc. of indoor or outdoors for example; Different with the purposes of above-mentioned WLL or WLAN etc., some below needing to consider.
At first; Because the frequency band that in wireless microphone, uses is near 800MHz; Therefore its reception antenna is more large-scale than the antenna of the middle for example a few GHz frequency bands that use such as above-mentioned WLAN; Therefore when needs make it be not easy more to suffer blast than above-mentioned antenna of the prior art, in light weight for carrying is also required easily.
In addition, because will be arranged on the place that the people's on the stage etc. eyes are seen easily,, but also to pay attention to outward appearance so receptivity just much less.Only so also not all right, because in recording studio etc., will be arranged on the height place of about people's height through support etc., thus probably can contact people's face etc., so its Security Countermeasures also necessitate.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of antenna assembly, it is not easy to suffer blast, and is in light weight, and outward appearance is also attractive in appearance, even contact also safety with the people, and the feed characteristic is good, is particularly suitable for wireless microphone.
In order to solve above-mentioned problem; The invention is characterized in; The antenna assembly of processing on the dielectric base plate of processing by hard material, forming the Yagi antenna of each antenna element that contains director, reflector and reflector; Above-mentioned dielectric base plate has above-mentioned each antenna element and forms a plurality of element formation portion that is parallel to each other with the interval of regulation; The middle body of above-mentioned a plurality of element formation portion links into an integrated entity through the main framing plate each other, and between above-mentioned a plurality of element formation portion, forms space part.
Through like this; The antenna assembly of processing on the dielectric base plate of processing by hard material, forming the Yagi antenna of each antenna element that contains director, reflector and reflector; Each antenna element is linked into an integrated entity through the main framing plate with each middle body that the interval of regulation forms a plurality of element formation portion that is parallel to each other each other; And between each element formation portion, form space part, thereby eliminate the useless part of not bringing into play function as far as possible, through dielectric base plate is made herring-bone form as antenna; Thereby realize lightweight significantly; And the dielectric constant that between each antenna element, has dielectric base plate hardly, make aspect of performance with in air, arrange the identical of metal antenna bar, can realize the raising of feed characteristic.
In addition, the invention is characterized in, originally be provided with the connector and the sky wire maintainer (antenna holder) that supports usefulness that feed line connects usefulness on one's body at above-mentioned dielectric base plate.Through like this, need not adorn box body outward and just can the dielectric base plate monomer be installed in upward uses such as support.
As preferred mode, it is characterized in that above-mentioned dielectric base plate possesses the bridge part between the end that connects said elements formation portion.Through like this, do not have outstanding part, even thereby the people contacted the danger that also can avoid injury etc.In addition, mechanical strength also is improved.
The invention is characterized in that the end of said elements formation portion is in the position termination roughly the same with the end of above-mentioned antenna element, the end face of said elements formation portion contacts with the space.Through like this, exist length composition to bring the dielectric of bad influence hardly at the place, end of antenna element, so antenna element come work according to the length of design basically to it.
The invention is characterized in; Above-mentioned director and above-mentioned reflector arrangement are on the one side of above-mentioned dielectric base plate; And above-mentioned transmitter configuration is on the another side of above-mentioned dielectric base plate, and above-mentioned reflector is connected usefulness with above-mentioned feed line connector connects through the printed wiring that on the another side of above-mentioned dielectric base plate, forms.Through like this, from reflector, can the connector that feed line connects usefulness be configured in the end edge place as the dielectric base plate of reflector outer fix, degree of freedom in design has improved.
The invention is characterized in that the element of said elements formation portion formation face is covered by the electrical insulating property resin material at least.Through like this, can dielectric base plate be used as the reception antenna that wireless microphone is used with the state that exposes that does not have box body, can on its coverage rate, print the name of the for example manufacturer that is used to propagate etc. in addition.
Description of drawings
Fig. 1 shows the stereoscopic figure of an example of the antenna assembly of the 1st execution mode according to the present invention.
Fig. 2 shows the plane graph of formation of the one side of said antenna device.
Fig. 3 shows the plane graph of formation of the another side of said antenna device.
Fig. 4 is the A-A line profile of Fig. 2.
Fig. 5 shows the plane graph of the antenna assembly of the 2nd execution mode according to the present invention.
Fig. 6 shows the plane graph of the antenna assembly of the 3rd execution mode according to the present invention.
Embodiment
Referring to figs. 1 through Fig. 6 several embodiments of the present invention is described below, but the present invention is not limited.Fig. 1 shows the stereoscopic figure according to an example of antenna assembly of the present invention; Fig. 2 shows the plane graph of formation of the one side of said antenna device; Fig. 3 shows the plane graph of formation of the another side of said antenna device; Fig. 4 is the A-A line profile of Fig. 2, and Fig. 5, Fig. 6 show the plane graph of other execution mode respectively.
The antenna assembly 1A of the 1st execution mode according to the present invention at first is described referring to figs. 1 through Fig. 4.This antenna assembly 1A forms the plane Yagi antenna of processing as director, reflector and the reflector of antenna element on dielectric base plate 10, making antenna element in this example is 5 elements.
That is, on dielectric base plate 10,3 director 20a, 20b, 20c are set in parallel to each other, a reflector 20d and a reflector 20e with the interval of stipulating respectively.In addition, when explanation,, these elements are generically and collectively referred to as antenna element 20 there is no need to distinguish under the situation of director, reflector and reflector.
In this example, dielectric base plate 10 is used the circuit substrate of being processed by the copper plating film laminated base plate, thereby each antenna element 20 is formed banded copper foil pattern.In addition, from the characteristic aspect, preferably dielectric base plate 10 is used PTFE (polytetrafluoroethylene) substrate.In addition, as variation, can also use metal wire rod to antenna element 20.
When the belt-like zone that forms director 20a, 20b, 20c, reflector 20d and reflector 20e in dielectric base plate 10 is made as the 11a of element formation portion～11e; These each middle bodies of each element formation 11a～11e of portion through linking into an integrated entity with the upwardly extending main framing plate 12 in the side of antenna element 20 quadratures, are respectively arranged with peristome (space) each other between each element formation 11a～11e of portion.When explanation,, these element formation portions are generically and collectively referred to as element formation portion 11 in addition there is no need to distinguish under the situation of each element formation 11a～11e of portion.
That is, between element formation 11a of portion and 11b, clip main framing plate 12 ground and wear 1 in its both sides and split oral area 13a, 13a.Equally, between element formation 11b of portion and 11c, between element formation 11c of portion and the 11d, also wear 1 between element formation 11d of portion and the 11e respectively and split oral area 13a and 13a, 13b and 13b, 13c and 13c, 13d and 13d.In addition, when explanation,, these peristomes are generically and collectively referred to as peristome 13 there is no need to distinguish under the situation of each peristome 13a～13d.
Though it is open and dielectric base plate 10 is made herring-bone form also can making the opposition side of the main framing plate 12 of peristome 13; But making under the situation of herring-bone form; The two ends of each element formation portion 11 become outstanding state, and bad to human body etc., mechanical strength has also reduced in addition; Therefore in this 1st execution mode, possesses the bridge part 14,14 between the end of Connection Element formation portion 11.
In addition, this antenna assembly 1A possesses: the connector 31 that for example is used to connect the not shown feed line of processing by coaxial cable be used to make antenna assembly 1A to be supported on the sky wire maintainer 41 on the not shown antenna holder etc.
As shown in Figures 2 and 3; In this example; The welding that is provided with connector 31 in the end of the reflector 20e of dielectric base plate 10 side is with the installing hole 42 of pad 32 with day wire maintainer 41, and connector 31 is welded on welding with on the pad 32, and a day wire maintainer 41 is tightened on the installing hole 42.Connector 31 can use commercially available with a day wire maintainer 41.
As shown in Figure 2, director 20a, 20b, 20c and reflector 20e are arranged on the one side side of dielectric base plate 10, and be as shown in Figure 3, and reflector 20d is arranged on the another side side of dielectric base plate 10.
Through making such configuration; Though between reflector 20d and connector 31, disposed reflector 20e; But the welding that can connect reflector 20d and connector 31 through printed wiring 33a, the 33b that on dielectric base plate 10, forms has improved degree of freedom in design with pad 32.
In addition; In this example; Reflector 20d is cut apart in central authorities; The reflector pattern of one of which side is connected with the supply side in the pad 32 (strong emissivity (hot) side) with welding through printed wiring 33a, and the opposing party's reflector pattern is connected with the ground connection side in the pad 32 with welding through printed wiring 33b.
Shown in the profile of Fig. 4, when making design good,, the resin molding of being processed by electrical insulating property resin material (preferred environment resistant coating and silicones and usefulness) 51 is set on dielectric base plate 10 in order to improve weatherability when the outdoor application etc.Though resin molding 51 can be arranged on the formation part of copper foil pattern at least, preferably comprise the notch portion of peristome 13, on whole of dielectric base plate 10, form.
As an example; This antenna assembly 1A is installed on the antenna holder on stage next door etc.; Use towards sound source (wireless microphone) side, but owing to be provided with a plurality of peristomes 13, so just almost do not have because the change of the direction that blast causes so long as not high wind.In addition, since in light weight, so carrying is also easy.By the way, frequency acceptance band is under the situation of 800MHz, and the size of this antenna assembly 1A is the about 216mm of longitudinal size, the about 320mm of lateral dimension.Thickness is decided according to the thickness of employed dielectric base plate 10.
In addition, peristome 13 is set between antenna element 20, owing between them, do not have the dielectric constant of dielectric base plate 10, so antenna gain also is improved than (forward/rear compares) with F/B.The situation that will peristome 13 be set not obtains following result as comparative example during actual measurement.Frequency range: 779～810MHz, bandwidth is 31MHz, and antenna gain is that 9.8dBi compares with example of the present invention, and comparative example is 9.2dBi, and F/B is that 15dBi compares than with example of the present invention, comparative example is 12dBi.
The 2nd execution mode of following key diagram 5 and the 3rd execution mode of Fig. 6.The intention of the 2nd execution mode and the 3rd execution mode is, do not exist the length composition to them to bring the dielectric of bad influence at the place, end of each antenna element 20, makes each antenna element 20 come work according to the length of design basically thus.
This intention be end through making element formation portion 11 in the position termination roughly the same with the end of antenna element 20, the end face of element formation portion 11 is contacted with the space realize.Other formation can be identical in fact with above-mentioned first execution mode.
For this reason; In antenna assembly 1B according to the 2nd execution mode of Fig. 5; For the director 20a in left side, the part at the angle of the bridge part of explaining in above-mentioned first execution mode 14 is reamed a part, make the length of the element formation 11a of portion and the same length of director 20a; In addition; For each antenna element 20 of director 20b, 20c, reflector 20d and reflector 20e, make the length of this each element formation portion 11 and the same length of antenna element 20 in the inboard of above-mentioned bridge part 14, make the part of peristome 13 that space 13g is provided around going in the end of each element formation portion 11.
In addition, in antenna assembly 1C, each element formation 11a～11e of portion is extended to the outside of above-mentioned bridge part 14, in the roughly length range of this each element formation 11a～11e of portion, form each antenna element 20 (20a～20e) according to the 3rd execution mode of Fig. 6.
Abovely the present invention has been described, but the present invention is not limited according to illustrated execution mode.For example antenna element is not limited to 5 elements.Because be Yagi antenna, so can possess director, reflector and 3 elements of reflector at least.In addition, each antenna element 20a～20e also can only be arranged on the one side of dielectric base plate 10.And a day wire maintainer also can be a ceiling suspension type.
Claims (6)
1. antenna assembly; Be on the dielectric base plate of processing by hard material, to form the Yagi antenna of each antenna element that contains director, reflector and reflector and the wireless microphone processed is used antenna assembly; It is characterized in that; Above-mentioned dielectric base plate has above-mentioned each antenna element and forms a plurality of element formation portion that is parallel to each other with the interval of regulation; The middle body of above-mentioned a plurality of element formation portion links into an integrated entity through the main framing plate each other, and between above-mentioned a plurality of element formation portion, is formed with space part
Above-mentioned dielectric base plate possesses the bridge part between the end that connects said elements formation portion.
2. the antenna assembly of record in the claim 1 wherein, originally is provided with the connector and the sky wire maintainer that supports usefulness that feed line connects usefulness on one's body at above-mentioned dielectric base plate.
3. the antenna assembly of claim 1 or 2 records, wherein, the end of said elements formation portion with roughly the same position, the end of above-mentioned antenna element termination, the end face of said elements formation portion contacts with the space.
4. the antenna assembly of claim 2 record; Wherein, Above-mentioned director and above-mentioned reflector arrangement are on the one side of above-mentioned dielectric base plate; And above-mentioned transmitter configuration is on the another side of above-mentioned dielectric base plate, and above-mentioned reflector is connected usefulness with above-mentioned feed line connector connects through the printed wiring that on the another side of above-mentioned dielectric base plate, forms.
5. the antenna assembly of any one record in the claim 1,2,4, the element of said elements formation portion forms face and is covered by the electrical insulating property resin material at least.
6. the antenna assembly of claim 3 record, the element of said elements formation portion forms face and is covered by the electrical insulating property resin material at least.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-319642 | 2005-11-02 | ||
| JP2005319642 | 2005-11-02 | ||
| JP2005319642A JP2007129432A (en) | 2005-11-02 | 2005-11-02 | Antenna assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101005153A CN101005153A (en) | 2007-07-25 |
| CN101005153B true CN101005153B (en) | 2012-08-29 |
Family
ID=38151735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100643622A Expired - Fee Related CN101005153B (en) | 2005-11-02 | 2006-11-02 | Antenna apparatus |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2007129432A (en) |
| KR (1) | KR20070047707A (en) |
| CN (1) | CN101005153B (en) |
| HK (1) | HK1109503A1 (en) |
| TW (1) | TW200723598A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2200561B1 (en) | 2007-09-21 | 2013-07-24 | Cretem Co., Ltd. | Module for regulating quantity of various-shaped tablets in automatic tablet dispenser, and tablet dispensing method thereof |
| JP5324233B2 (en) * | 2009-01-14 | 2013-10-23 | 日精株式会社 | Antenna device |
| US20120249395A1 (en) * | 2011-03-30 | 2012-10-04 | Convergence Systems Limited | Ultra Thin Antenna |
| TWI478442B (en) | 2011-09-21 | 2015-03-21 | Realtek Semiconductor Corp | /switched beam smart antenna apparatus and related wireless communication circuit |
| CN102800954B (en) * | 2012-08-13 | 2015-03-11 | 深圳光启创新技术有限公司 | Antenna unit, antenna module and multi-antenna module |
| CN103887599A (en) * | 2012-12-19 | 2014-06-25 | 深圳光启创新技术有限公司 | Antenna unit, multi-antenna assembly, and wireless interconnection device |
| EP2887456B1 (en) * | 2012-08-13 | 2019-10-16 | Kuang-Chi Innovative Technology Ltd. | Antenna unit, antenna assembly, multi-antenna assembly, and wireless connection device |
| CN103682604B (en) * | 2012-09-24 | 2017-11-28 | 深圳光启智能光子技术有限公司 | Antenna element, multi-antenna component and radio interconnected equipment |
| CN103594780B (en) * | 2012-08-13 | 2018-01-16 | 深圳光启创新技术有限公司 | A kind of antenna |
| CN103888953B (en) * | 2012-12-19 | 2020-01-07 | 深圳光启智能光子技术有限公司 | Wireless coverage system |
| KR101712868B1 (en) * | 2015-07-03 | 2017-03-07 | 아주대학교 산학협력단 | End-fire antenna using via and manufacturing method for the same |
| CN106025541B (en) * | 2016-07-12 | 2018-12-04 | 成都泰格微电子研究所有限责任公司 | A kind of good conformal spherical antenna battle array of shield effectiveness |
| CN110574234B (en) | 2017-04-27 | 2022-06-10 | Ａｇｃ株式会社 | Antenna and MIMO antenna |
| TWI737326B (en) * | 2020-05-29 | 2021-08-21 | 泓博無線通訊技術有限公司 | High-gain antenna module |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5117785Y1 (en) * | 1970-03-05 | 1976-05-13 | ||
| DE2453164A1 (en) * | 1974-11-08 | 1976-05-13 | Kathrein Werke Kg | Indoor aerial with plug-in modules for UHF and VHF - has disc-shaped base with vertical tubular support |
| JP3085524B2 (en) * | 1996-11-18 | 2000-09-11 | 日本電業工作株式会社 | Dipole antenna with reflector |
| JP2005286983A (en) * | 2004-03-02 | 2005-10-13 | Takanori Kato | Antenna for cellular phone |
-
2005
- 2005-11-02 JP JP2005319642A patent/JP2007129432A/en active Pending
-
2006
- 2006-10-30 TW TW095140061A patent/TW200723598A/en unknown
- 2006-11-01 KR KR1020060107056A patent/KR20070047707A/en not_active Application Discontinuation
- 2006-11-02 CN CN2006100643622A patent/CN101005153B/en not_active Expired - Fee Related
-
2008
- 2008-01-03 HK HK08100035.9A patent/HK1109503A1/en not_active IP Right Cessation
Non-Patent Citations (3)
| Title |
|---|
| JP昭51-17785 1976.05.13 |
| JP特开2005-286983A 2005.10.13 |
| JP特开平10-150319A 1998.06.02 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070047707A (en) | 2007-05-07 |
| CN101005153A (en) | 2007-07-25 |
| HK1109503A1 (en) | 2008-06-06 |
| JP2007129432A (en) | 2007-05-24 |
| TW200723598A (en) | 2007-06-16 |
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