CN205646132U - Dipole and digital television antenna - Google Patents
Dipole and digital television antenna Download PDFInfo
- Publication number
- CN205646132U CN205646132U CN201620306565.7U CN201620306565U CN205646132U CN 205646132 U CN205646132 U CN 205646132U CN 201620306565 U CN201620306565 U CN 201620306565U CN 205646132 U CN205646132 U CN 205646132U
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- transmission line
- dipole
- balun
- antenna
- power splitter
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Abstract
The utility model relates to a antenna technology field especially relates to dipole and digital television antenna, and the dipole sets up just two oscillators of parallel connection, each including the symmetry the oscillator all includes two radiation arms of integrated into one piece and connects in two transmission line piece between the same side end of radiation arm, two the parallel interval of transmission line piece sets up and connects through mounting flange. The utility model discloses a dipole, two of each oscillator radiation arms adopt integrated into one piece processing with the transmission line pieces of connecting between two same side ends of radiation arm, realize the integrated design, reduce in the manufacture process manufacturing procedure with reduce the processing difficulty degree in the manufacture process, can ensure not only that the uniformity of product is good, suitable mass production has still reduced manufacturing cost, and can realize the higher radiation gain and the impedance bandwidth of broad.
Description
Technical field
This utility model relates to antenna technical field, particularly relates to dipole and digital TV antenna.
Background technology
Broadcast is a kind of mass media of communication transmitting acoustic information, TV is a kind of based on transmission sound and the mass media of communication of image information, in order to complete well to propagate sound and image, it is necessary to complete by means of a huge broadcast system and television system.Radio data system be built upon original sound (as) field and acoustical reproduction (as) general name of many radio and television equipment between field, work in coordination between them, it is therefore intended that transmit broadcast and television information well.
Being wirelessly transferred this kind of method is that the signal of telecommunication is changed into radio wave signal, utilizes the feature that radio wave freely can be transmitted in space, propagates to the optional position in vast space.As long as the received-signal strength receiving place is enough, signal just can be received.This is a kind of maximally effective long-distance transmission method.
Radio wave is the one of electromagnetic wave, and China is after the issuing and implementation of terrestrial DTV and China mobile multi-media broadcasting technology standard, and UHF (Ultra High Frequency) frequency range decimetric wave is launched antenna and is widely used.While economic life high speed development, television network broadcast also updates upgrading in constantly net mending, and antenna is as a part for Base-station Transmission System, with the baseband signal transmission system that transmitter constitutes base station.
In the entire system, vertical polarization, broadband, high-gain are the major requirements of digital television transmitting aerial.In the industry early stage of development, by limitation of the technology, this type of antenna depends on import, and the price of product is high, and the problems such as delivery cycle is long, technical service restriction become the bottleneck of industry development.According to the demand of this series products, domestic manufacturer starts growing up step by step, home products progressively import substitutes.Its demand of antenna is also being constantly increasing and technology innovation optimization.Antenna is developing towards the simple firm direction of high target low cost structure.
Electromagnetic wave is made up of electric part and magnetic field part, when it is propagated in space, has on propagation path the fluctuation in fluctuation and the magnetic field forming electric field, and the two is orthogonal, the mutual inversion of phases of energy.In digital television system, antenna directivity is essentially omni-directional, and antenna mainly has three classes, dipole antenna, slot antenna and integral antenna.Main frequency range is 470～860MHZ, main covering 13～56 channels.Wherein, the omnidirectional's battle array being made up of dipole antenna unit, owing to gain is high, omni-directional is good, uses the most widely.
But the dipole antenna configuration of prior art is complex, its dipole, is formed by connecting by welding, riveting and connector auxiliary by multiple parts, and manufacturing process is many, complex process, and the concordance causing dipole antenna product is poor, relatively costly.
Utility model content
The purpose of this utility model is to provide a kind of dipole and digital TV antenna, it is intended to solves dipole antenna configuration complexity of the prior art and causes the technical problem of homogeneity of product difference.
For achieving the above object, the technical solution of the utility model is: dipole, including two oscillators being symmetrical arranged and being connected in parallel, each described oscillator all includes integrated two radiation arms and the transmission line sheet being connected to described in two between end, radiation arm the same side, and described in two, transmission line sheet parallel interval is arranged and connected by mounting flange.
Preferably, the adjacent two side ends of transmission line sheet described in two towards under be bent to form flanging sheet, form banding spacing described in two between flanging sheet.
Preferably, described mounting flange includes the vertical section that traversing section and the middle part with described traversing section length direction are connected, the both sides of described traversing section length direction offer the first fixing hole, the upper surface of described transmission line sheet offers the second fixing hole, described vertical section is located between described banding spacing and its both sides are connected to the side of flanging sheet described in two respectively, the bottom side of described traversing section abuts and the upper surface of transmission line sheet described in two, and described first fixing hole is corresponding with described second fixing hole position and is connected by securing member.
Preferably, the distance of described banding spacing is 7～10mm.
Preferably, the rounded lamellar of described radiation arm or polygon lamellar.
The beneficial effects of the utility model: dipole of the present utility model, two radiation arms and the transmission line sheet being connected between end, two radiation arm the same sides of each oscillator use one-body molded processing, realize integrated design, reduce the manufacturing procedure in manufacture process and the processing difficulties degree reduced in manufacture process, it is not only able to guarantee that the concordance of product is good, it is suitable for producing in enormous quantities, also reduces production cost；And, the transmission line sheet of symmetrically arranged two oscillators feeds, and gain in use can reach 11db, and bandwidth of operation is in the range of 470～860MHZ, and standing wave meets 1.1, it is achieved higher radiation gain and wider impedance bandwidth.
Of the present utility model another solution is that digital TV antenna, the power splitter including housing and being located in described housing and four baluns, described digital TV antenna also includes two groups of above-mentioned dipoles, the bottom of each described balun all electrically connects with described power splitter, and the top of each described balun electrically connects with transmission line sheet one of them described respectively.
Preferably, the middle part of described transmission line sheet is provided with feed connecting hole, and the lower section of described feed connecting hole is provided with fixing seat, and the top of described balun is fixing with described fixing seat to be connected.
Preferably, described balun includes pipe support and the first inner wire being located in described pipe support, described power splitter includes bar shaped square tube and the second inner wire being located in described bar shaped square tube, the bottom of described pipe support and top are fixing with described bar shaped square tube and described fixing seat respectively to be connected, the top of described first inner wire is stretched into and is positioned at described feed connecting hole, and the bottom of described first inner wire electrically connects with described second inner wire.
Preferably, balun described in two of which is provided close to the first end of described power splitter side by side, and two other described balun is provided close to the second end of described power splitter side by side；Spacing between described balun outside described power splitter the first end and the described balun inside described power splitter the second end is 450～470mm；Or, the spacing between the described balun inside described power splitter the first end and the described balun outside described power splitter the second end is 450～470mm.
Preferably, described housing includes that reflecting plate base and button are located at the protective cover above described reflecting plate base.
Digital TV antenna of the present utility model, the two group dipoles simpler owing to have employed said structure, improving product is conforming meanwhile, it is capable to guarantee that the manufacturing cost of digital TV antenna reduces, and overall structure simplifies, and assembles convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model dipole.
Fig. 2 is the structural representation of the first embodiment of the oscillator of this utility model dipole.
Fig. 3 is the structural representation of the second embodiment of the oscillator of this utility model dipole.
Fig. 4 is the structural representation of the third embodiment of the oscillator of this utility model dipole.
Fig. 5 is the structural representation of this utility model digital TV antenna.
Fig. 6 is the structural representation of the balun of this utility model digital TV antenna.
Fig. 7 is the structural representation of the power splitter of this utility model digital TV antenna.
Fig. 8 is the structural representation of the housing of this utility model digital TV antenna.
Reference includes:
1 dipole 10 oscillator 11 radiation arm
12 transmission line sheet 20 mounting flange 21 traversing sections
22 vertical section 30 housing 31 reflecting plate bases
32 protective cover 40 power splitter 41 bar shaped square tubes
42 second inner wire 43 second annular cushion block 50 baluns
The 51 pipe support 52 first first annular cushion blocks of inner wire 53
60 fix seat 70 feeds bridge 121 flanging sheet
122 banding spacing 123 first fixing holes 124 feed connecting hole
211 second fixing holes.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing 1～8 is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " length ", " width ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
As shown in Figures 1 to 4, the dipole 1 that this utility model embodiment provides, including two oscillators 10 being symmetrical arranged and being connected in parallel, each described oscillator 10 all includes integrated two radiation arms 11 and the transmission line sheet 12 being connected to described in two between end, radiation arm 11 the same side, and transmission line sheet 12 parallel interval described in two arranges and passes through mounting flange 20 and connects.Concrete, dipole 1 of the present utility model, two radiation arms 11 and the transmission line sheet 12 being connected between end, two radiation arm 11 the same sides of each oscillator 10 use one-body molded processing, realize integrated design, reduce the manufacturing procedure in manufacture process and the processing difficulties degree reduced in manufacture process, it is not only able to guarantee that the concordance of product is good, is suitable for producing in enormous quantities, also reduces production cost；And, the transmission line sheet 12 of symmetrically arranged two oscillators 10 feeds, and gain in use can reach 11db, and bandwidth of operation is in the range of 470～860MHZ, and standing wave meets 1.1, it is achieved higher radiation gain and wider impedance bandwidth.
In the present embodiment, the adjacent two side ends of transmission line sheet 12 described in two towards under be bent to form flanging sheet 121, bending angle is 90 °, forms banding spacing 122 described in two between flanging sheet 121.Concrete, transmission line sheet 12 structure in the form of sheets, when being attached between two oscillator 10, intensity is relatively low, bent by the two ends adjacent in two transmission line sheet 12 junctions, the contact area so connected by mounting flange 20 increases the flanging sheet 121 of bending forming, strengthens structure, promotes the stability connected between two oscillators 10.
In the present embodiment, shown in Fig. 1, described mounting flange 20 includes the vertical section 22 that traversing section 21 and the middle part with described traversing section 21 length direction are connected, the both sides of described traversing section 21 length direction offer the first fixing hole 123, the upper surface of described transmission line sheet 12 offers the second fixing hole 211, described vertical section 22 is located between described banding spacing 122 and its both sides are connected to the side of flanging sheet 121 described in two respectively, the bottom side of described traversing section 21 abuts and the upper surface of transmission line sheet 12 described in two, and described first fixing hole 123 is corresponding with described second fixing hole 211 position and is connected by securing member (not shown).Concrete, it is connected with two transmission line sheets 12 respectively by the both sides of the traversing section 21 of mounting flange 20, wherein, securing member wears the first fixing hole 123 and the second fixing hole 211 makes to combine traversing section 21 and transmission line sheet 12, so can realize the fixing connection of two oscillators 10, securing member can be screw, screw, screw etc., and attaching nut uses, and the first fixing hole 123 and the second fixing hole 211 can be screwed hole or through hole；By the vertical section 22 of mounting flange 20 then so that two transmission line sheets 12 be arranged in parallel while formed a spacing, this spacing can ensure that raising gain.Preferably, mounting flange 20 has two, two positions being separately positioned on the two ends near transmission line sheet 12, so can also strengthen the intensity of the radiation arm 11 that transmission line sheet 12 two ends connect, and scientific structure design is reasonable, practical.
Preferably, shown in Fig. 1, the distance of described banding spacing 122 is 7～10mm.Concrete, the distance of banding spacing 122 can be 7mm, 8mm, 9mm or 10mm, is optimal design, it is possible to increase gain in the range of this value.
In the present embodiment, shown in Fig. 2～4, the described rounded lamellar of radiation arm 11 or polygon lamellar.Concrete, polygon can be regular polygon or irregular polygon, e.g. triangle, rectangle etc.；The radiation arm 11 of laminated structure is suitable for integrated with the miscellaneous part of antenna, and it is easily installed not to account for excessive space, simple and practical.
This utility model embodiment also provides for a kind of digital TV antenna, as shown in Figures 1 to 8, digital TV antenna includes housing 30 and the power splitter 40 being located in described housing 30 and four baluns 50, described digital TV antenna also includes two groups of above-mentioned dipoles 1, the bottom of each described balun 50 all electrically connects with described power splitter 40, and the top of each described balun 50 electrically connects with transmission line sheet 12 one of them described respectively.Wherein, the effect of power splitter 40 is that respectively four baluns 50 feed, and balun 50 realizes balanced feeding as balanced-unbalanced conversion equipment, is two groups of above-mentioned dipoles 1 and feeds, and two groups of dipole 1 then linear arrangements are arranged, and form four oscillators 10；Digital TV antenna of the present utility model, the two group dipoles 1 simpler owing to have employed said structure, improving product is conforming meanwhile, it is capable to guarantee that the manufacturing cost of digital TV antenna reduces, and overall structure simplifies, and assembles convenient.
In the present embodiment, shown in Fig. 1, the middle part of described transmission line sheet 12 is provided with feed connecting hole 124, and the lower section of described feed connecting hole 124 is provided with fixing seat 60, and the top of described balun 50 is fixing with described fixing seat 60 to be connected.Concrete, on the one hand arranging of fixing seat 60 realize excitation feed；On the other hand, facilitate the top of balun 50 to realize being connected with transmission line sheet 12, such as, the top of balun 50 can be welded with fixing seat 60, easy to operate, and the stability after connection is the best.
In the present embodiment, shown in Fig. 5, the top of feed connecting hole 124 is covered with feed bridge 70, and beneficially first inner wire 52 that is provided with of feed bridge 70 feeds for oscillator 10.
In the present embodiment, shown in Fig. 5～7, described balun 50 includes pipe support 51 and the first inner wire 52 being located in described pipe support 51, described power splitter 40 includes bar shaped square tube 41 and the second inner wire 42 being located in described bar shaped square tube 41, the bottom of described pipe support 51 and top are fixed be connected with described bar shaped square tubes 41 and described fixing seat 60 respectively, the top of described first inner wire 52 is stretched into and is positioned at described feed connecting hole 124, and the bottom of described first inner wire 52 electrically connects with described second inner wire 42.Concrete, that the first inner wire 52 can be played protection by pipe support 51 and the beneficially first inner wire 52 is electrically connected with and installs effect；Equally, the second inner wire 42 then can be played protection and the effect that is electrically connected with and installs of the beneficially second inner wire 42 by bar shaped square tube 41.Pipe support 51 right angle setting, and be parallel to each other between each pipe support 51, so advantageously ensure that parallel strip line the two poles of the earth are full symmetric with the first inner wire 52 structure, and this symmetry has not changed with frequency, it is thus achieved that broadband balanced feeding, meet the high power requirements of antenna.
In the present embodiment, shown in Fig. 5～7, first inner wire 52 is shaft-like structure, outer circumferential side at the first inner wire 52 is socketed with at least one first annular cushion block 53, such as, first annular cushion block 53 is two, is respectively arranged on first inner wire 52 position near two ends, the outer circumferential side of first annular cushion block 53 abuts with the inwall of pipe support 51 such that it is able to fix the first inner wire 52 being located in pipe support 51；Equally, second inner wire 42 is also shaft-like structure, outer circumferential side at the second inner wire 42 is socketed with at least one second annular cushion block 43, such as, second annular cushion block 43 is two, being respectively arranged on the second inner wire 42 near the position at two ends, the outer circumferential side of the second annular cushion block 43 abuts with the inwall of bar shaped square tube 41 such that it is able to fix the second inner wire 42 being located in bar shaped square tube 41.
In the present embodiment, shown in Fig. 5, balun 50 described in two of which is provided close to the first end of described power splitter 40 side by side, and two other described balun 50 is provided close to the second end of described power splitter 40 side by side；Spacing between described balun 50 outside described power splitter 40 first end and the described balun 50 inside described power splitter 40 second end is 450～470mm；Or, the spacing between the described balun 50 inside described power splitter 40 first end and the described balun 50 outside described power splitter 40 second end is 450～470mm.That is, when four baluns 50 are arranged side by side, distinguish label one, two, three, four from left to right, being numbered the spacing between one and the balun 50 being numbered three is 450～470mm, being numbered the spacing between two and the balun 50 being numbered four is 450～470mm, concrete, spacing can be 450mm, 455mm, 460mm, 465mm or 470mm；This kind of structure is designed to meet digital TV antenna and realizes powerful requirement.
In the present embodiment, shown in Fig. 8, described housing 30 includes that reflecting plate base 31 and button are located at the protective cover 32 above described reflecting plate base 31.Concrete, the bottom surface of bar shaped square tube 41 is fixed on reflecting plate base 31, so may insure that bar shaped square tube 41 increases with the contact surface of reflecting plate base 31, it is simple to fix with reflecting plate base 31 co-planar contacts；Protective cover 32 is preferably the protective cover 32 of glass steel material, and the protective cover 32 of glass steel material is hardly damaged, and service life is longer；The effect of protective cover 32 is to be combined all parts sealed in protection space after protective cover 32 fastens with reflecting plate base 31 with reflecting plate base 31, effectively reduces the impact of sleet frost, it is achieved all weather operations of digital TV antenna.
Understanding this utility model in sum is to have above-described good characteristic, is made it on using, promotes the usefulness not having in conventional art and have practicality, become the product of a great practical value.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent or improvement etc. made within thought of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (10)
1. dipole, including two oscillators being symmetrical arranged and being connected in parallel, it is characterized in that: each described oscillator all includes integrated two radiation arms and the transmission line sheet being connected to described in two between end, radiation arm the same side, and described in two, transmission line sheet parallel interval is arranged and connected by mounting flange.
Dipole the most according to claim 1, it is characterised in that: the adjacent two side ends of transmission line sheet described in two towards under be bent to form flanging sheet, form banding spacing described in two between flanging sheet.
Dipole the most according to claim 2, it is characterized in that: described mounting flange includes the vertical section that traversing section and the middle part with described traversing section length direction are connected, the both sides of described traversing section length direction offer the first fixing hole, the upper surface of described transmission line sheet offers the second fixing hole, described vertical section is located between described banding spacing and its both sides are connected to the side of flanging sheet described in two respectively, the bottom side of described traversing section abuts and the upper surface of transmission line sheet described in two, and described first fixing hole is corresponding with described second fixing hole position and is connected by securing member.
4. according to the dipole described in Claims 2 or 3, it is characterised in that: the distance of described banding spacing is 7～10mm.
5. according to the dipole described in Claims 2 or 3, it is characterised in that: the rounded lamellar of described radiation arm or polygon lamellar.
6. digital TV antenna, the power splitter including housing and being located in described housing and four baluns, it is characterized in that: described digital TV antenna also includes the dipole described in two groups of any one of Claims 1 to 5, the bottom of each described balun all electrically connects with described power splitter, and the top of four described baluns electrically connects with four described transmission line sheets respectively.
Digital TV antenna the most according to claim 6, it is characterised in that: the middle part of described transmission line sheet is provided with feed connecting hole, and the lower section of described feed connecting hole is provided with fixing seat, and the top of described balun is fixing with described fixing seat to be connected.
Digital TV antenna the most according to claim 7, it is characterized in that: described balun includes pipe support and the first inner wire being located in described pipe support, described power splitter includes bar shaped square tube and the second inner wire being located in described bar shaped square tube, the bottom of described pipe support and top are fixing with described bar shaped square tube and described fixing seat respectively to be connected, the top of described first inner wire is stretched in described feed connecting hole, and the bottom of described first inner wire electrically connects with described second inner wire.
9. according to the digital TV antenna described in any one of claim 6～8, it is characterised in that: balun described in two of which is provided close to the first end of described power splitter side by side, and two other described balun is provided close to the second end of described power splitter side by side；Spacing between described balun outside described power splitter the first end and the described balun inside described power splitter the second end is 450～470mm；Or, the spacing between the described balun inside described power splitter the first end and the described balun outside described power splitter the second end is 450～470mm.
10. according to the digital TV antenna described in any one of claim 6～8, it is characterised in that: described housing includes that reflecting plate base and button are located at the protective cover above described reflecting plate base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306565.7U CN205646132U (en) | 2016-04-13 | 2016-04-13 | Dipole and digital television antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306565.7U CN205646132U (en) | 2016-04-13 | 2016-04-13 | Dipole and digital television antenna |
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| Publication Number | Publication Date |
|---|---|
| CN205646132U true CN205646132U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620306565.7U Expired - Fee Related CN205646132U (en) | 2016-04-13 | 2016-04-13 | Dipole and digital television antenna |
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| CN (1) | CN205646132U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359396A (en) * | 2017-07-19 | 2017-11-17 | 东莞质研工业设计服务有限公司 | A kind of base station system |
| CN108539388A (en) * | 2018-02-10 | 2018-09-14 | 广东司南通信科技有限公司 | A kind of coupled oscillator, antenna and its application |
| CN112582774A (en) * | 2019-09-30 | 2021-03-30 | 京信通信技术(广州)有限公司 | Antenna, radiating element thereof, balun structure of radiating element and manufacturing method |
| WO2022193423A1 (en) * | 2021-03-15 | 2022-09-22 | 罗森伯格技术有限公司 | Radiating component for use in antenna and antenna comprising the radiating component |
-
2016
- 2016-04-13 CN CN201620306565.7U patent/CN205646132U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359396A (en) * | 2017-07-19 | 2017-11-17 | 东莞质研工业设计服务有限公司 | A kind of base station system |
| CN107359396B (en) * | 2017-07-19 | 2019-12-27 | 东莞质研工业设计服务有限公司 | Base station system |
| CN108539388A (en) * | 2018-02-10 | 2018-09-14 | 广东司南通信科技有限公司 | A kind of coupled oscillator, antenna and its application |
| CN108539388B (en) * | 2018-02-10 | 2023-12-29 | 广州司南技术有限公司 | Coupling oscillator, antenna and application thereof |
| CN112582774A (en) * | 2019-09-30 | 2021-03-30 | 京信通信技术(广州)有限公司 | Antenna, radiating element thereof, balun structure of radiating element and manufacturing method |
| CN112582774B (en) * | 2019-09-30 | 2022-05-24 | 京信通信技术(广州)有限公司 | Antenna, radiating element thereof, radiating element balun structure and manufacturing method |
| WO2022193423A1 (en) * | 2021-03-15 | 2022-09-22 | 罗森伯格技术有限公司 | Radiating component for use in antenna and antenna comprising the radiating component |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |