CN201766160U - Shortwave cage antenna - Google Patents

Shortwave cage antenna Download PDF

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Publication number
CN201766160U
CN201766160U CN2010201166088U CN201020116608U CN201766160U CN 201766160 U CN201766160 U CN 201766160U CN 2010201166088 U CN2010201166088 U CN 2010201166088U CN 201020116608 U CN201020116608 U CN 201020116608U CN 201766160 U CN201766160 U CN 201766160U
Authority
CN
China
Prior art keywords
cage
antenna
oscillator
shortwave
mast
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 - Lifetime
Application number
CN2010201166088U
Other languages
Chinese (zh)
Inventor
李斌
孟凡涛
李�杰
刘巍
高伟
陈�峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING SINO-SKY HI-TECH Co Ltd
Original Assignee
BEIJING SINO-SKY HI-TECH Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING SINO-SKY HI-TECH Co Ltd filed Critical BEIJING SINO-SKY HI-TECH Co Ltd
Priority to CN2010201166088U priority Critical patent/CN201766160U/en
Application granted granted Critical
Publication of CN201766160U publication Critical patent/CN201766160U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a shortwave cage antenna, which comprises a cage-shaped vibrator and a mast. The cage-shaped vibrator is provided with a vibrator wire and a vibrator ring, the vibrator wire arranged in a cage-shaped structure extends longitudinally, and the vibrator ring is perpendicularly intersected with the vibrator wire. The mast penetrates through the cage-shaped vibrator from the inside of the cage-shaped vibrator, and two ends of the vibrator wire are connected with the mast. The cage-shaped vibrator adopting the structure is equivalent to thickening of equivalent diameter of the antenna vibrator so that input impedance of the antenna changes more slowly along with working wavelength, the antenna has broadband property, and the standing-wave ratio of the antenna in 5.9MHz-21.85MHz frequency band is smaller than or equal to 2.0.

Description

The shortwave cage antenna
Technical field
The present invention relates to field of antenna, in particular to a kind of shortwave cage antenna.
Background technology
Existing short-wave antenna adopts whip antenna usually, the bigger SWR of this whip antenna standing-wave ratio>3, and frequency band width, radiation efficiency is low.Existing another short-wave antenna is a rhombic aerial, the antenna structure complexity of this kind shape, and weight is bigger, and the allotment case is placed on the antenna mast foot, and allotment and maintenance are inconvenient.
Summary of the invention
The utility model aims to provide a kind of shortwave cage antenna of operational frequency bandwidth broad, can solve the existing narrower problem of antenna frequencies bandwidth.
In order to address the above problem, the utility model provides a kind of shortwave cage antenna, comprising: cage type oscillator and mast.Wherein, the cage type oscillator comprises a plurality of oscillator lines that extend longitudinally, and the oscillator ring that intersects vertically with a plurality of oscillator lines, and oscillator line and oscillator ring form a kind of cage structure; Mast is arranged on the inside of cage type oscillator, and runs through the cage type oscillator, and oscillator line two ends link to each other with mast.
Preferably, the two ends of cage type oscillator are taper.
Preferably, the cage type oscillator also comprises: horizontal support, and the one end is connected with mast, and the other end is connected with the oscillator ring; Bearing diagonal, the one end is connected with mast, the other end and horizontal support and connection.
Preferably, the height of shortwave cage antenna is less than 10m.
Preferably, the shortwave cage antenna also comprises: the allotment case, and it is arranged at cage type oscillator below and links to each other with cage antenna, and its shell is connected with earth mat, and this allotment case is an external allotment case.
Preferably, the shortwave cage antenna also comprises: backguy, and the one end is connected with mast, and the other end is fixed on the earth anchor.
Preferably, the shortwave cage antenna also comprises: mobile base, be spliced by channel-section steel, and channel-section steel adopts screw on the ground.
Preferably, the shortwave cage antenna also comprises: earth mat, have many annealed copper wires to be formed by connecting, an end of every annealed copper wire is connected with center earth mat disk, the other end with regularly the awl be connected.
Preferably, the oscillator line is a copper cash.
Preferably, oscillator ring, mast, horizontal support and bearing diagonal are coating steel pipe.
The utlity model has following beneficial effect:
1. the utility model is by changing existing single antenna into the cage type oscillator of being made up of many oscillator lines, cage type oscillator two ends are connected to mast after fixing with the oscillator ring, make two ends be conical to make things convenient for feed, adopt the cage type oscillator of this structure diameter of oscillator that has been equivalent to overstriking, make the input impedance of antenna slower with the variation of operation wavelength, antenna has broadband property.
2. the height of shortwave cage antenna of the present utility model is lower, makes antenna at high band preferable radiation pattern be arranged, and makes earthwave covering gain bigger.
3. the external allotment of being more convenient for of the allotment case of shortwave cage antenna of the present utility model.
4. the mobile base of shortwave cage antenna of the present utility model is spliced by the polylith channel-section steel, sets up the easy concrete bed that do not need to preset, and has increased the mobility of antenna installation simultaneously, can arbitrarily change the antenna installation place.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the shortwave cage antenna structural representation according to the utility model one embodiment;
Fig. 2 shows the shortwave cage antenna structural representation according to another embodiment of the utility model.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 shows the shortwave cage antenna structural representation according to the utility model one embodiment.As shown in Figure 1, the cage type oscillator in the present embodiment is a kind of soft junction structure, is made up of oscillator line 1, oscillator ring 2 and mast 3.Many oscillator lines 1 longitudinal extension that is parallel to each other, oscillator ring 2 intersects vertically with oscillator line 1, oscillator line 1 and the oscillator ring 2 common structures of forming a cage type.Mast 3 passes the cage type oscillator from the centre, the extended line at oscillator line 1 two ends is connected to mast 3, makes the top of cage type oscillator and bottom be conical.The material of oscillator line 1 is a copper cash, and oscillator ring 2 adopts coating steel pipe, and oscillator ring 2 is fixed by support bar and mast.Mast 3 is formed by connecting by three joint coating steel pipes.Mast 3 is fixing by backguy 7, and backguy 7 is the stainless steel steel wire rope, and backguy is connected with earth anchor 10 or ground awl, can regulate the backguy tightness by wire tensioner, and in the present embodiment, antenna mast 3 is furnished with the tripartite backguy of one deck and three and overlaps backguys anchor device regularly.
Earth mat 9 is formed by connecting by many annealed copper wires, and every annealed copper wire one end is connected with center earth mat disk, and the other end is connected with awl regularly.
Be equipped with antenna allotment case 6 below the cage type oscillator, it adopts lossless element to form allotting network, makes antenna obtain good coupling by allotment, and allotment case shell is connected with earth mat 9.
The mobile base 8 of shortwave cage antenna is spliced by the polylith channel-section steel, can be fixed on the pedestal with screw, making that antenna installation is easy does not need to preset concrete bed, has also increased the mobility of antenna installation simultaneously, can arbitrarily change the antenna installation place.
The height of whole shortwave cage antenna makes antenna at high band preferable radiation pattern be arranged less than 10m, makes earthwave covering gain bigger.
Table 1 is the key technical indexes of the shortwave cage antenna of this example.
Table 1
Operating frequency 5.9M~21.85MHz?
Power capacity ≥10kW?
Polarization Perpendicular polarization
Directivity Omnidirectional
Input impedance 50Ω?
Standing-wave ratio (SWR) ≤2.0?
Gain ≥3.0dBi?
The antenna net weight 650kg?
Working temperature -40°~55°?
[0031] Fig. 2 shows the shortwave cage antenna structural representation according to another embodiment of the utility model.As shown in Figure 2, the cage type oscillator also includes horizontal support 4 and bearing diagonal 5, and an end of horizontal support 4 is connected with mast, and the other end is connected with the oscillator ring, is used for the cage type oscillator is fixed on mast.One end of bearing diagonal is connected with mast, and the other end and horizontal support and connection are used for horizontal support 4 is played a supportive role, and this kind structure can make the weight fraction of cage type oscillator be dispersed on horizontal support 4 and the bearing diagonal 5, makes that the structure of cage type oscillator is more firm.In the present embodiment, what horizontal support 4 and bearing diagonal 5 adopted is coating steel pipe, and the quantity of horizontal support 4 and bearing diagonal 5 is unrestricted, can be by the actual needs setting.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a shortwave cage antenna is characterized in that, comprising:
The cage type oscillator comprises a plurality of oscillator lines (1) that extend longitudinally, and the oscillator ring (2) that intersects vertically with described a plurality of oscillator lines (1), and described a plurality of oscillator lines (1) form cage structure with described oscillator ring (2);
Mast (3) is arranged on the inside of described cage type oscillator, and runs through described cage type oscillator, and described a plurality of oscillator lines (1) two ends link to each other with described mast (3).
2. shortwave cage antenna according to claim 1 is characterized in that, the two ends of described cage type oscillator are taper.
3. shortwave cage antenna according to claim 1 is characterized in that, described cage type oscillator also comprises:
Horizontal support (4), the one end is connected with described mast (3), and the other end is connected with described oscillator ring (2);
Bearing diagonal (5), the one end is connected with described mast (3), and the other end is connected with described horizontal support (4).
4. shortwave cage antenna according to claim 1 is characterized in that the height of described cage antenna is less than 10m.
5. shortwave cage antenna according to claim 1 is characterized in that, described cage antenna also comprises:
Allotment case (6), it is arranged at described cage type oscillator below and is connected with described cage type oscillator, and its shell is connected with earth mat, and described allotment case (6) is external allotment case.
6. shortwave cage antenna according to claim 1 is characterized in that, described cage antenna also comprises:
Backguy (7), the one end is connected with described mast (3), and the other end is fixed on the earth anchor (10).
7. shortwave cage antenna according to claim 1 is characterized in that, described cage antenna also comprises:
Mobile base (8) is spliced by channel-section steel, and described channel-section steel adopts screw on the ground.
8. shortwave cage antenna according to claim 1 is characterized in that, described cage antenna also comprises:
Earth mat (9) has many annealed copper wires to be formed by connecting, and an end of every annealed copper wire is connected with center earth mat disk, the other end with regularly the awl be connected.
9. shortwave cage antenna according to claim 1 is characterized in that, described oscillator line (1) is a copper cash.
10. shortwave cage antenna according to claim 3 is characterized in that, oscillator ring (2), mast (3), horizontal support (4) and bearing diagonal (5) are coating steel pipe.
CN2010201166088U 2010-02-11 2010-02-11 Shortwave cage antenna Expired - Lifetime CN201766160U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201166088U CN201766160U (en) 2010-02-11 2010-02-11 Shortwave cage antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201166088U CN201766160U (en) 2010-02-11 2010-02-11 Shortwave cage antenna

Publications (1)

Publication Number Publication Date
CN201766160U true CN201766160U (en) 2011-03-16

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Application Number Title Priority Date Filing Date
CN2010201166088U Expired - Lifetime CN201766160U (en) 2010-02-11 2010-02-11 Shortwave cage antenna

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280690A (en) * 2011-05-17 2011-12-14 北京中天鸿大科技有限公司 Short-wave all-frequency band monopole antenna
CN103904420B (en) * 2014-03-27 2017-01-25 西安电子科技大学 Minimized and broadband efficient cage type antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280690A (en) * 2011-05-17 2011-12-14 北京中天鸿大科技有限公司 Short-wave all-frequency band monopole antenna
CN103904420B (en) * 2014-03-27 2017-01-25 西安电子科技大学 Minimized and broadband efficient cage type antenna

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Granted publication date: 20110316