CN201435452Y - Broadband vertical polarization UHF integral antenna - Google Patents
Broadband vertical polarization UHF integral antenna Download PDFInfo
- Publication number
- CN201435452Y CN201435452Y CN2009201090419U CN200920109041U CN201435452Y CN 201435452 Y CN201435452 Y CN 201435452Y CN 2009201090419 U CN2009201090419 U CN 2009201090419U CN 200920109041 U CN200920109041 U CN 200920109041U CN 201435452 Y CN201435452 Y CN 201435452Y
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- uhf
- dipole
- support column
- integral antenna
- broad band
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Abstract
A broadband vertical polarization UHF integral antenna comprises an upright support pillar and an even number of single dipoles, wherein a connection surface is arranged on one side of the upright support pillar; the even number of single dipoles are connected to the connection surface of the upright support pillar in the upward and the downward directions; two adjacent single dipoles, i.e. an upper single dipole and a lower single dipole form a layer of vertical polarization double dipoles; each single dipole comprises two vibrators arranged vertically and an open-circuit line positioned between the two vibrators; the length of each vibrator ranges from 100 mm to 160 mm, and the diameter thereof ranges from 25 mm to 40 mm; and the diameter of the open-circuit line ranges from 1 mm to 5 mm. The broadband vertical polarization UHF integral antenna provided by the utility model can be applied within the decimetric wave range of 470 to 860 MHz; the signal cover is omni-directional; the out-of-roundness is smaller than or equal to plus or minus 3 dB; the overall volume of the antenna is small; the installation space for a launching tower is saved; and the improvement on an old controltower is easily realized.
Description
Technical field
The relevant transmitting antenna of the utility model is particularly relevant for a kind of broad band vertical depolarized UHF (UltraHigh Frequency-hyperfrequency) integral antenna.
Background technology
Along with being on the increase of radio station, station synchronization tricks, and the wideling popularize of CMMB (China Mobile multimedia broadcasting) mobile TV, the user is more and more higher for the requirement of mobile receptivity, therefore multiple perpendicular polarization decimeter wave transmitting antenna has also appearred, satisfy vehicle-mounted and mobile reception requirement Mobile Multimedia Broadcasting, also avoid and the mutual interference mutually of original TV signal.
More common perpendicular polarization decimeter wave transmitting antenna has four bipolar plate antennas, but this antenna overall volume is huge relatively, and it is big to take up room; Simultaneously, owing to be subjected to the level field shape restriction of four bipolar plate transmitting antennas, as in order to obtain comprehensive transmitting, need dispose antenna respectively at the four sides of launching tower, therefore the launching tower of institute's desire installation must could be installed by reserved location around tower, but in fact pass through years of development, present existing iron tower construction section has been covered with various antennas, can't fix up an aerial wire respectively at the iron tower four sides according to current actual demand again.
Therefore, be badly in need of a kind of perpendicular polarization decimeter wave transmitting antenna, the energy theaomni-directional transmission, and overall volume is little, occupies little space, and is easy to install.
The utility model content
Technical problem to be solved in the utility model provides a kind of broad band vertical depolarized UHF--body antenna, can use in 470～860MHz decimeter wave scope, and signal covers omnidirectional, deviation in roundness is≤± 3dB, the antenna overall volume is little, saves the launching tower installing space, is easy to realize old control tower transformation.
A kind of broad band vertical depolarized UHF integral antenna that the utility model provides comprises:
One vertical support column, a side of described vertical support column is provided with joint face; And
The even number single dipole, on the joint face that is connected described vertical support column, every adjacent two single dipoles up and down constitute one deck perpendicular polarization double dipole along upper and lower; Each single dipole comprises two oscillator and the open-circuit lines between two oscillators arranged up and down, and the length of each oscillator is 100～160mm, and diameter is 25～40mm, and the diameter of open-circuit line is 1～5mm.
Preferably include four, six or eight single dipoles, thereby constitute two-layer, three layers or four layers of perpendicular polarization double dipole, each layer perpendicular polarization double dipole is connected with a power splitter.Comprise that most preferably six single dipoles constitute the perpendicular polarization double dipole of three-layer type, can guarantee to save cost under gain and the power situation.
Preferred scheme, two oscillators of the single dipole of described every layer of perpendicular polarization double dipole are connected on the joint face of vertical support column by a horizontal connecting rod respectively, and the distance of the distance between center line joint face of each single dipole is 130～160mm.
Preferred scheme, two oscillators of the single dipole of described every layer of perpendicular polarization double dipole are connected one by a horizontal connecting rod respectively and vertically become on the resistance bar, should vertically become the resistance bar and be connected on the joint face of vertical support column by two transverse support bar, the distance of the center line of each single dipole of distance between center line of described vertical change resistance bar is 130～160mm.Each perpendicular polarization double dipole can be made a module like this, reduce the merit mark of power splitter.
Preferred scheme, the cylinder that described vertical support column is formed in one, described each single dipole are coaxial-type feed oscillator, the height of described vertical change resistance bar is 765～880mm.
Preferred scheme comprises an outer outlet body of being made by insulating material, and this outer outlet body is nested with at vertically support bar and all outside of perpendicular polarization double dipole.Preferably, described insulating material is fiberglass (glass fibre) or engineering plastics etc., engineering plastics such as polyvinyl chloride (PVC), polystyrene (PS) etc.Like this, entire antenna is totally-enclosed by outer outlet body, both can avoid antenna to be subjected to the bad weather influence, can prolong the physical life of antenna again.
Preferred scheme, described outer outlet body comprise cylindrical shell, one-body molded in cylindrical shell top and bottom upper flange and lower flange and be connected top cover on the upper flange, the bottom of described vertical support column is connected with the firm banking corresponding with lower flange, and this lower flange is fixedlyed connected by a plurality of retaining elements with firm banking.Like this, can antenna directly be fixed on the place that institute's desire is installed, can make transportation and quick and easy for installation by retaining elements such as bolts.The top cover of outer outlet body can avoid sleet hail dust storm etc. to invade antenna from aerial head.Top cover and cylindrical shell are linked together by upper flange for dividing body structure again, top cover can be dismantled, and are convenient to internal overhaul.Certainly top cover also can be one-body molded with outer outlet body.
Preferred version is provided with lightning rod on top cover, this lightning rod is connected with firm banking, the antenna DC earthing, and lightning protection effect is good.
Preferred version is provided with stop tab below described top cover, described stop tab is resisted against on the joint face of vertical support column.Vertically support column and outer outlet body are realized incorporate fixing by firm banking and top cover, can not only strengthen the antenna bulk strength, guarantee that vertical support column is more firm, and vertically support column can be fixed each oscillator again, and cost reduces.
According to such scheme, effect of the present utility model is significant, has following technique effect:
One, broad band vertical depolarized UHF integral antenna of the present utility model, can in 470～860MHz decimeter wave frequency range, transmit, because of its each oscillator single face vertical arrangement on the joint face of vertical support column one side, overall volume is dwindled, save the installing space of launching tower, and energy radiation omnidirectional vertically polarized wave, horizontal plane field shape deviation in roundness≤± 3dB, mobile reception is good, can avoid and the mutual interference mutually of original antenna.
Two, broad band vertical depolarized UHF integral antenna of the present utility model, because outer outlet body is the integral structure of fixedlying connected with vertical support column, overall volume is significantly dwindled, save the installing space of launching tower, do not need launching tower to reserve installing space and just can be configured in very easily on the existing launching tower, be particularly suitable for the transformation of old control tower; Integral structure can also be strengthened the antenna bulk strength simultaneously, guarantees that vertical support column is more firm, avoids the bad weather influence, stable performance, long service life.
Description of drawings
Fig. 1 is the vertical profile schematic diagram of a kind of broad band vertical depolarized UHF integral antenna of the utility model.
Fig. 2 is the vertical profile schematic diagram of the another kind of broad band vertical depolarized UHF integral antenna of the utility model.
Embodiment
As shown in Figure 1, the utility model provides a kind of broad band vertical depolarized UHF integral antenna, comprising:
One vertical support column 1, vertically a side of support column 1 is provided with joint face 11, and vertically support column 1 is preferably the integrated body of rod, for example is the rectangle hollow pipe; And
For example two, four, six of even numbers or eight single dipoles 21, along upper and lower on the joint face 11 that is connected vertical support column 1, every adjacent two single dipoles 21 up and down constitute one deck perpendicular polarization double dipole 2, comprise that in the present embodiment six single dipoles 21 constitute three layers of perpendicular polarization double dipole 2, can guarantee to save cost under gain and the power situation; Single dipole 21 for example can be coaxial-type feed oscillator, each single dipole 21 comprises two oscillator 22 and the open-circuit lines between two oscillators 22 23 arranged up and down, the length of each oscillator 23 is the preferred 135mm of 100～160mm, diameter is the preferred 32mm of 25～40mm, the diameter of open-circuit line 23 is the preferred 3mm of 1～5mm, control the impedance of each oscillator 22 and open-circuit line 23, can launch the signal of 470～860MHz decimeter wave frequency range;
Two oscillators 22 of the single dipole 21 of every layer of perpendicular polarization double dipole 2 are connected one by a horizontal connecting rod 24 respectively and vertically become on the resistance bar 25, the height that vertically becomes the resistance bar is 765～880mm, vertically becoming resistance bar 25 is connected on the joint face 11 of vertical support column 1 by two transverse support bar 26 up and down, the distance L 1 that vertically becomes the center line of each single dipole 21 of distance between center line that hinders bar 25 is 130～160mm, each perpendicular polarization double dipole 2 can be made a module like this, reduce the merit dosis refracta of power splitter;
Input at this broad band vertical depolarized UHF integral antenna is provided with power splitter 3, and power splitter 3 is connected with each layer perpendicular polarization double dipole 2.The merit dosis refracta of power splitter 3 is decided on the quantity of perpendicular polarization double dipole 2 and the connected mode of single dipole 21, in the present embodiment, power splitter 3 is one minute three power splitter, three layers of perpendicular polarization double dipole 2 are connected with power splitter 3 by three cables 4, and three cables adopt different length that antenna downtilt and zero point are filled.
Broad band vertical depolarized UHF integral antenna of the present utility model, each oscillator 22 single face vertical arrangement is on the joint face 11 of vertical support column 1 one sides, overall volume is dwindled, save installing space, can in 470～860MHz decimeter wave frequency range, transmit, radiation-curable omnidirectional vertically polarized wave, horizontal plane field shape deviation in roundness≤± 3dB, mobile reception is good, can avoid and the mutual interference mutually of original antenna.
Preferred scheme comprises an outer outlet body 5 of being made by insulating material, and this outer outlet body 5 is nested with at vertically support bar 1 and all outside of perpendicular polarization double dipole 2.Preferably, described insulating material is fiberglass (glass fibre) or engineering plastics etc., engineering plastics such as polyvinyl chloride (PVC), polystyrene (PS) etc.Like this, entire antenna is totally-enclosed by outer outlet body 5, both can avoid antenna to be subjected to the bad weather influence, can prolong the physical life of antenna again.
This outer outlet body 5 comprise integrated cylindrical shell 51, one-body molded in cylindrical shell 51 tops and bottom upper flange 52 and lower flange 53 and be connected top cover 54 on the upper flange 52, vertically the bottom of support column 1 is connected with the firm banking 12 corresponding with lower flange 53, and this lower flange 53 is fixedlyed connected by a plurality of retaining elements with firm banking 12.Like this, can directly be fixed on the place that institute's desire is installed, can make transportation and quick and easy for installation by retaining element lower flanges 53 such as bolts.Top cover 54 can avoid sleet hail dust storm etc. to invade antenna from aerial head, and foregoing top cover 54 is that the branch body structure links together by a plurality of retaining elements again with cylindrical shell 51, can be convenient to internal overhaul.Certainly, top cover 54 is also can cylindrical shell 51 one-body molded.Vertically support column 1 and outer outlet body 5 integrated fixedlying connected can further dwindle antenna volume, save installing space.Be provided with stop tab 541 below top cover 54, stop tab 541 is resisted against on the joint face 11 of vertical support column 1, can guarantee that vertical support column 1 is more firm.
Be provided with lightning rod 6 on top cover 54, this lightning rod 6 is connected with firm banking 12, the antenna DC earthing, and lightning protection effect is good.
The technical parameter of the broad band vertical depolarized UHF integral antenna that the utility model provides:
Antenna type (Type): omnidirectional antenna (Omni DirectionalAntenna)
Frequency range (Frequency range): 470MHz～860MHz
Polarization mode (Polarization): perpendicular polarization (vertical)
Input port (Input): IF70F
Standing-wave ratio (VSWR) :≤1.1 (in the service bands)
Input impedance (Impedance): 50 ohm of Ω
Maximal input (Max.power): 2kW
Weight (Weight): 58kg
(Height): 3.5m highly
Wind carries (Wind load) (at 160km/h): 478 Ns of N
Maximum wind velocity (Max.wind velocity): 225km/h
As shown in Figure 2, structure, principle and the effect of this execution mode and execution mode 1 are basic identical, no longer repeat.Difference is:
Comprise four single dipoles 21 in the present embodiment, two oscillators 22 of each single dipole 21 of every layer of perpendicular polarization double dipole 2 directly are connected on the joint face 11 of vertical support column 1 by a horizontal connecting rod 24 respectively, and the distance L 2 of the distance between center line joint face of each single dipole 21 is 130～160mm; 3 connected modes according to single dipole 21 of power splitter need be selected one minute four power splitter for use, and four oscillators 22 are connected with power splitter 3 by four cables 4 respectively.
The above only is an embodiment of the present utility model, can not limit the scope that the utility model is implemented with this certainly, and all equivalent variations and modifications of doing according to content of the present utility model all should belong to protection range of the present utility model.
Claims (10)
1. a broad band vertical depolarized UHF integral antenna is characterized in that, comprising:
One vertical support column, a side of described vertical support column is provided with joint face; And
The even number single dipole, on the joint face that is connected described vertical support column, every adjacent two single dipoles up and down constitute one deck perpendicular polarization double dipole along upper and lower; Each single dipole comprises two oscillator and the open-circuit lines between two oscillators arranged up and down, and the length of each oscillator is 100～160mm, and diameter is 25～40mm, and the diameter of open-circuit line is 1～5mm.
2. broad band vertical depolarized UHF integral antenna according to claim 1, it is characterized in that, comprise that four single dipoles constitute two-layer perpendicular polarization double dipole, comprise that perhaps six single dipoles constitute three layers of perpendicular polarization double dipole, each layer perpendicular polarization double dipole is connected with a power splitter.
3. broad band vertical depolarized UHF integral antenna according to claim 1, it is characterized in that, two oscillators of the single dipole of described every layer of perpendicular polarization double dipole are connected on the joint face of vertical support column by a horizontal connecting rod respectively, and the distance of the distance between center line joint face of each single dipole is 130～160mm.
4. broad band vertical depolarized UHF integral antenna according to claim 1, it is characterized in that, two oscillators of the single dipole of described every layer of perpendicular polarization double dipole are connected one by a horizontal connecting rod respectively and vertically become on the resistance bar, should vertically become the resistance bar and be connected on the joint face of vertical support column by two transverse support bar, the distance of the center line of the distance between center line single dipole of described vertical change resistance bar is 130～160mm.
5. broad band vertical depolarized UHF integral antenna according to claim 4 is characterized in that, the cylinder that described vertical support column is formed in one, described each single dipole are coaxial-type feed oscillator, and the height of described vertical change resistance bar is 765～880mm.
6. broad band vertical depolarized UHF integral antenna according to claim 1 is characterized in that, comprises an outer outlet body of being made by insulating material, and this outer outlet body is nested with at vertically support column and all outside of perpendicular polarization double dipole.
7. broad band vertical depolarized UHF integral antenna according to claim 6 is characterized in that described insulating material is fiberglass or engineering plastics.
8. broad band vertical depolarized UHF integral antenna according to claim 6, it is characterized in that, described outer outlet body comprise cylindrical shell, one-body molded in cylindrical shell top and bottom upper flange and lower flange and be connected top cover on the upper flange, the bottom of described vertical support column is connected with the firm banking corresponding with lower flange, and this lower flange is fixedlyed connected by a plurality of retaining elements with firm banking.
9. broad band vertical depolarized UHF integral antenna according to claim 8 is characterized in that be provided with lightning rod on top cover, this lightning rod is connected with firm banking.
10. broad band vertical depolarized UHF integral antenna according to claim 8 is characterized in that be provided with stop tab below described top cover, described stop tab is resisted against on the joint face of vertical support column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201090419U CN201435452Y (en) | 2009-06-30 | 2009-06-30 | Broadband vertical polarization UHF integral antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201090419U CN201435452Y (en) | 2009-06-30 | 2009-06-30 | Broadband vertical polarization UHF integral antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435452Y true CN201435452Y (en) | 2010-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201090419U Expired - Fee Related CN201435452Y (en) | 2009-06-30 | 2009-06-30 | Broadband vertical polarization UHF integral antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201435452Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649315A (en) * | 2018-04-27 | 2018-10-12 | 武汉大学 | A kind of S-band broad beam antenna |
| EP3758145A4 (en) * | 2018-02-21 | 2021-03-03 | 3M Innovative Properties Company | Antenna structure |
| CN115275583A (en) * | 2022-09-23 | 2022-11-01 | 盛纬伦(深圳)通信技术有限公司 | Broadband multi-beam antenna array element and array applied to decimeter wave frequency band vehicle-mounted communication |
-
2009
- 2009-06-30 CN CN2009201090419U patent/CN201435452Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3758145A4 (en) * | 2018-02-21 | 2021-03-03 | 3M Innovative Properties Company | Antenna structure |
| US11276920B2 (en) | 2018-02-21 | 2022-03-15 | 3M Innovative Properties Company | Antenna structure |
| CN108649315A (en) * | 2018-04-27 | 2018-10-12 | 武汉大学 | A kind of S-band broad beam antenna |
| CN108649315B (en) * | 2018-04-27 | 2020-01-07 | 武汉大学 | S-band wide-beam antenna |
| CN115275583A (en) * | 2022-09-23 | 2022-11-01 | 盛纬伦(深圳)通信技术有限公司 | Broadband multi-beam antenna array element and array applied to decimeter wave frequency band vehicle-mounted communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20180630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |