CN208028207U - A kind of double broadband base station antennas - Google Patents
A kind of double broadband base station antennas Download PDFInfo
- Publication number
- CN208028207U CN208028207U CN201820494258.5U CN201820494258U CN208028207U CN 208028207 U CN208028207 U CN 208028207U CN 201820494258 U CN201820494258 U CN 201820494258U CN 208028207 U CN208028207 U CN 208028207U
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- radiating element
- frequency radiating
- high frequency
- reflecting plate
- low frequency
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Abstract
The utility model is related to a kind of double broadband base station antennas, including reflecting plate and it is arranged in the low-and high-frequency feeding network for reflecting back, further include the longitudinal axis setting along reflecting plate in reflecting plate positive N+1 the first high frequency radiating elements, N number of low frequency radiating element and N number of second high frequency radiating element, the N+1 the first high frequency radiating elements and N number of low frequency radiating element are staggeredly alternatively arranged successively, and second high frequency radiating element is arranged in each low frequency radiating element；The N+1 the first high frequency radiating elements and N number of second high frequency radiating element form HF array, and N number of low frequency radiating element forms low frequency array；The low-and high-frequency feeding network is respectively used to provide parallelly feeding to the HF array, low frequency array；N is the positive integer more than or equal to 1.The low frequency radiating element and high frequency radiating element co-axial alignment of the utility model meet antenna miniaturization, integrated, high performance index request.
Description
【Technical field】
The utility model is related to mobile communication technology fields, more particularly, to a kind of double broadband base station antennas.
【Background technology】
Indispensable front end critical component of the antenna as wireless communication system, the good and bad net to operator of performance
Network quality plays decisive role.Single pair traditional antenna haves the shortcomings that channel loss is big in present mobile communication, multifrequency, width
Frequency common antenna can effectively solve the problem that the features such as channel loss, multipath fading, while can save site and antenna resources, therefore
Multifrequency, wide frequency antenna are increasingly becoming the first choice of carrier network construction.Using double broadband base station antenna energy of coaxial nested scheme
Enough effective spaces for saving antenna, meet operator to antenna miniaturization, it is integrated the needs of.
【Utility model content】
The purpose of the utility model is to overcome the deficiencies of above-mentioned technology, provide a kind of double broadband base station antennas, Neng Gouman
Sufficient operator is to antenna miniaturization, integrated demand.
A kind of double broadband base station antennas provided by the utility model, including reflecting plate and be arranged reflection back height
Low frequency feeding network, further include along reflecting plate longitudinal axis setting reflecting plate positive N+1 the first high frequency radiating elements,
N number of low frequency radiating element and N number of second high frequency radiating element, the N+1 the first high frequency radiating elements and N number of low frequency radiation
Unit is staggeredly alternatively arranged successively, and second high frequency radiating element is arranged in each low frequency radiating element；The N
+ 1 the first high frequency radiating element and N number of second high frequency radiating element form HF array, N number of low frequency radiating element
Form low frequency array；The low-and high-frequency feeding network is respectively used to provide parallelly feeding to the HF array, low frequency array；N
For the positive integer more than or equal to 1.
Further, two longitudinal edges of the reflecting plate form vertical flange towards the front fold of reflecting plate respectively, described
The top of vertical flange is provided with the first chimb in the position of corresponding each low frequency radiating element.
Further, the side of the close corresponding low frequency radiating element of first chimb is vertically installed with second
The center of chimb, second chimb is located at the center of corresponding low frequency radiating element on same horizontal line.
Further, the axis of the axis of first chimb and second chimb is located in the same vertical plane；Institute
The width for stating the first chimb is more than the width of second chimb.
Further, the periphery of each low frequency radiating element is surrounded with the short frame of rectangular metal, the short frame of metal
It is arranged in the front of the reflecting plate；The internal diameter of the short frame of metal is more than the bore of second high frequency radiating element and is less than
The bore of the low frequency radiating element；The height of the short frame of metal is less than the height of the low frequency radiating element.
Further, the spacing between the two neighboring low frequency radiating element is adjacent the first high frequency radiation list
Twice of spacing first, between the second high frequency radiating element.
Further, the both sides of each first high frequency radiating element are respectively equipped with U-shaped baffle, and the U-shaped baffle is set
It sets in the front of the reflecting plate.
Further, the U-shaped baffle includes being arranged in the positive main body of the reflecting plate and being separately positioned on main body
The first side, the second side of both sides, first side is perpendicular to the main body, and the first side is high close to corresponding first
Radio-frequency radiation unit, second side tilt and in an acute angle between the front of reflecting plate relative to the main body.
Further, the top surface of first side is less than the top of second side to the positive distance of the reflecting plate
Face is to the positive distance of the reflecting plate.
Further, the top surface of first side is less than first high frequency radiation to the positive distance of the reflecting plate
To the positive distance of the reflecting plate, the top surface of second side is more than to the positive distance of the reflecting plate for the top surface of unit
The top surface of first high frequency radiating element is to the positive distance of the reflecting plate.
The low frequency radiating element and high frequency radiating element co-axial alignment of the utility model meet antenna miniaturization, integrate
Change, high performance index request, while the utility model is simple in structure, small, light-weight, performance is stablized, at low cost, has
Preferable radiance and electric property.
【Description of the drawings】
Fig. 1 is a kind of structural schematic diagram for double broadband base station antennas that one embodiment of the utility model provides；
Fig. 2 is the schematic top plan view of double broadband base station antennas shown in Fig. 1；
Fig. 3 is the structural schematic diagram of the low frequency radiating element and the short frame of metal of double broadband base station antennas shown in Fig. 1；
Fig. 4 is the schematic side view of the second high frequency radiating element of double broadband base station antennas shown in Fig. 1；
Fig. 5 is the structural schematic diagram of the first high frequency radiating element and U-shaped baffle of double broadband base station antennas shown in Fig. 1；
Fig. 6 is the schematic side view of the first high frequency radiating element of double broadband base station antennas shown in Fig. 1.
【Specific implementation mode】
The utility model will be further described with reference to the accompanying drawings and examples.
With reference to figure 1 and Fig. 2, a kind of double broadband base station antennas provided by the utility model, including reflecting plate 10, setting are anti-
It penetrates the low-and high-frequency feeding network (being not shown on figure) at 10 back side of plate and is arranged in reflecting plate 10 along the longitudinal axis of reflecting plate 10
Positive N+1 the first high frequency radiating elements 20, N number of low frequency radiating element 30 and N number of second high frequency radiating element 40.N+1
A first high frequency radiating element 20 and N number of low frequency radiating element 30 are staggeredly alternatively arranged successively.In each low frequency radiating element 30
One second high frequency radiating element 40 is set.N+1 the first high frequency radiating elements 20 and N number of second high frequency radiating element 40
HF array is formed, N number of low frequency radiating element 30 forms low frequency array.N is the positive integer more than or equal to 1.Low frequency array works
In 790MHz~960MHz (megahertz) frequency range, HF array works in 1710MHz~2690MHz frequency ranges.Low-and high-frequency feeding network
It is respectively used to provide parallelly feeding to HF array, low frequency array.N+1 the first high frequency radiating elements 20, N number of low frequency radiation lists
Member 30 and N number of second high frequency radiating element 40 meet antenna miniaturization, integrate in the positive co-axial alignment of reflecting plate 10
Change, high performance index request.In the present embodiment, the first high frequency radiating element 20 is three, and low frequency radiating element 30 is two,
Second high frequency radiating element 40 is two, and Fig. 1 and Fig. 2 illustrate only two the first high frequency radiating elements 20, another is first high
Radio-frequency radiation unit 20 is not shown.
Spacing between two neighboring low frequency radiating element 30 is adjacent the first high frequency radiating element 20, the second high frequency spoke
Penetrate the spacing between unit 40 twice.In the present embodiment, the spacing between two neighboring low frequency radiating element 30 is 250 millis
Rice, the spacing between the first adjacent high frequency radiating element 20, the second high frequency radiating element 40 are 125 millimeters.
Reflecting plate 10 is metallic reflection plate.Two longitudinal edges of reflecting plate 10 form towards the front fold of reflecting plate 10 perpendicular respectively
Straight flange 11, the top of vertical flange 11 are provided with the first chimb of rectangle in the position of each low frequency radiating element of correspondence 30
12.The second chimb 13 that rectangle is vertically installed with close to the side of corresponding low frequency radiating element 30 of first chimb 12.Second
The either flush of the top surface of chimb 13 and the first chimb 12.The center of second chimb 13 in corresponding low frequency radiating element 30
The heart is located on same horizontal line.Further, the axis of the axis of the first chimb 12 and the second chimb 13 is located at same
In vertical plane.The width of first chimb 12 is more than the width of the second chimb 13, i.e. the both sides of the second chimb 13 do not protrude from first
The both sides of chimb 12.Vertical flange 11, the first chimb 12, the second chimb 13 being arranged are mainly used for adjusting the radiation of low frequency array
Directional diagram
With reference to figure 1, Fig. 2 and Fig. 3, the periphery of each low frequency radiating element 30 is surrounded with the short frame 50 of rectangular metal, metal
Short frame 50 is arranged in the front of reflecting plate 10.The internal diameter of the short frame of metal 50 is more than the bore of the second high frequency radiating element 40 and is less than
The bore of low frequency radiating element 30.The height of the short frame of metal 50 is less than the height of low frequency radiating element 30.
In the present embodiment, the short frame 50 of metal is surrounded by two L-type metallic plates 51 (see Fig. 3), between two L-type metallic plates 51
It is fixed by fastener such as screw.
With reference to figure 1, Fig. 2 and Fig. 5, the both sides of each first high frequency radiating element 20 are respectively equipped with U-shaped baffle 60, U-shaped gear
Plate 60 is arranged in the front of reflecting plate 10.The material of U-shaped baffle 60 is metal material.The whole height of U-shaped baffle 60 is less than low
The height of radio-frequency radiation unit 30.
U-shaped baffle 60 includes being arranged in 10 positive main body 61 of reflecting plate and being separately positioned on the first of 61 both sides of main body
Side 62, the second side 63 (see Fig. 5), the first side 62 is perpendicular to main body 61, and the first side 62 is high close to corresponding first
Radio-frequency radiation unit 20, the second side 63 is tilted relative to main body 61 and the θ in an acute angle between the front of reflecting plate 10.First side
The top surface in portion 62 is less than the top surface of the second side 63 to 10 positive distance of reflecting plate to 10 positive distance of reflecting plate.First side
The top surface in portion 62 to 10 positive distance of reflecting plate be less than the first high frequency radiating element 20 top surface to reflecting plate 10 it is positive away from
Top surface from, the second side 63 is more than the top surface of the first high frequency radiating element 20 to reflecting plate 10 to 10 positive distance of reflecting plate
Positive distance.
The combination of the short frame 50 of metal and U-shaped baffle 60 is mainly used for adjusting the antenna pattern of HF array, such knot
The pattern requirements for not only having met HF array are arranged in structure, but also reduce the phase between high frequency radiating element and low frequency radiating element 30
It mutually influences, to ensure that the electric property of two frequency ranges.
With reference to figure 1, Fig. 2, Fig. 3 and Fig. 4, low frequency radiating element 30 is using rectangular dual polarization die casting oscillator, each
Polarization is made of two dipole parallel connections, and two radiation arms of dipole are at an angle of 90 degrees degree.Second high frequency radiating element 40 uses
Be dual polarization die casting oscillator.Second high frequency radiating element 40 is arranged by the first support base 43 in the front of reflecting plate 10.The
The surface of two high frequency radiating elements 40 guides disk 41 into equipped with second, and second guides disk 41 by the setting of connector 42 the
The surface of two high frequency radiating elements 40.Connector 41 is fixed on the radiating surface of the second high frequency radiating element 40.Second guides into
Disk 41, the first support base 43 can reduce radiation effect of the low frequency radiating element 30 to the second high frequency radiating element 40.
With reference to figure 1, Fig. 2, Fig. 5 and Fig. 6, the first high frequency radiating element 20 is using dual polarization die casting oscillator.First is high
The structure of radio-frequency radiation unit 20 is identical with the structure of the second high frequency radiating element 40.The surface of first high frequency radiating element 20 is set
There is first to guide disk 21 into, first, which guides disk 21 into, is arranged by support element in the surface of the first high frequency radiating element 20.Branch
Support member includes the second support base 22 and the insulation board 23 fixed to 22 top of the second support base, and the second support base 22 is fixed to the
On the radiating surface of one high frequency radiating element 20, first guides the center that disk 21 is fixed to insulation board 23 into.
The utility model by rationally adjust the width of reflecting plate 10, the height of vertical flange 11, the first chimb 12 and
The size of second chimb 13 may make antenna to have preferable radiation characteristic in low-frequency range.Pass through the short frame 50 of metal and U-shaped baffle
60 combination reasonably adjusts the size of metal short frame 50 and U-shaped baffle 60, and it is special can to obtain good radiation in high band
Property, at the same coordinate structured size can effectively reduce high band and the mutual coupling of low-frequency range, can get good S
Parameter index.
The utility model is simple in structure, and performance is stablized, and at low cost, the radiating surface of low frequency radiating element 30 is smaller, high and low frequency
Intersegmental influencing each other is smaller, and high and low frequency range all has preferable front and back ratio, cross polarization discrimination index, horizontal plane wave beam
Width is restrained, while the good electric property such as have high-isolation.
Above example only expresses preferred embodiments of the present invention, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the utility model patent range therefore be interpreted as.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, such as to each implementation
Different characteristic in example is combined, these belong to the scope of protection of the utility model.
Claims (10)
1. a kind of double broadband base station antennas, including reflecting plate and low-and high-frequency feeding network in reflection back is set, it is special
Sign is：Further include the longitudinal axis setting along reflecting plate in reflecting plate positive N+1 the first high frequency radiating elements, N number of low
Radio-frequency radiation unit and N number of second high frequency radiating element, the N+1 the first high frequency radiating elements and N number of low frequency radiating element
It is staggeredly alternatively arranged successively, second high frequency radiating element is set in each low frequency radiating element；The N+1
First high frequency radiating element and N number of second high frequency radiating element form HF array, N number of low frequency radiating element composition
Low frequency array；The low-and high-frequency feeding network is respectively used to provide parallelly feeding to the HF array, low frequency array；N is big
In the positive integer equal to 1.
2. double broadband base station antennas according to claim 1, it is characterised in that：Two longitudinal edges of reflecting plate court respectively
The front fold of reflecting plate forms vertical flange, and the top of the vertical flange is in the position of corresponding each low frequency radiating element
It installs and is equipped with the first chimb.
3. double broadband base station antennas according to claim 2, it is characterised in that：The close corresponding institute of first chimb
The side for stating low frequency radiating element is vertically installed with the second chimb, center and the corresponding low frequency radiating element of second chimb
Center be located on same horizontal line.
4. double broadband base station antennas according to claim 3, it is characterised in that：The axis of first chimb and described
The axis of two chimbs is located in the same vertical plane；The width of first chimb is more than the width of second chimb.
5. double broadband base station antennas according to claim 1, it is characterised in that：The periphery of each low frequency radiating element
It is surrounded with the short frame of rectangular metal, the short frame of metal is arranged in the front of the reflecting plate；The internal diameter of the short frame of metal is big
Bore in second high frequency radiating element and the bore less than the low frequency radiating element；The height of the short frame of metal is small
In the height of the low frequency radiating element.
6. double broadband base station antennas according to claim 1, it is characterised in that：The two neighboring low frequency radiating element it
Between spacing be twice of the spacing between adjacent first high frequency radiating element, the second high frequency radiating element.
7. double broadband base station antennas according to claim 1, it is characterised in that：Each first high frequency radiating element
Both sides are respectively equipped with U-shaped baffle, and the U-shaped baffle plate setting is in the front of the reflecting plate.
8. double broadband base station antennas according to claim 7, it is characterised in that：The U-shaped baffle includes being arranged described
The positive main body of reflecting plate and be separately positioned on the first side of main body both sides, the second side, first side perpendicular to
The main body, and the first side, close to corresponding first high frequency radiating element, second side is tilted relative to the main body
And it is in an acute angle between the front of reflecting plate.
9. double broadband base station antennas according to claim 8, it is characterised in that：The top surface of first side is to described anti-
Top surface of the positive distance of plate less than second side is penetrated to the positive distance of the reflecting plate.
10. double broadband base station antennas according to claim 8, it is characterised in that：The top surface of first side is described in
The positive distance of reflecting plate is less than the top surface of first high frequency radiating element to the positive distance of the reflecting plate, and described second
The top surface of side to the positive distance of the reflecting plate be more than first high frequency radiating element top surface to the reflecting plate just
The distance in face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820494258.5U CN208028207U (en) | 2018-04-09 | 2018-04-09 | A kind of double broadband base station antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820494258.5U CN208028207U (en) | 2018-04-09 | 2018-04-09 | A kind of double broadband base station antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208028207U true CN208028207U (en) | 2018-10-30 |
Family
ID=63909653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820494258.5U Expired - Fee Related CN208028207U (en) | 2018-04-09 | 2018-04-09 | A kind of double broadband base station antennas |
Country Status (1)
| Country | Link |
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| CN (1) | CN208028207U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462020A (en) * | 2018-12-20 | 2019-03-12 | 东莞市云通通讯科技有限公司 | Low frequency wideband vibrator and antenna for base station |
| CN109599665A (en) * | 2019-01-08 | 2019-04-09 | 广东司南通信科技有限公司 | A kind of double polarization array antenna and its application |
| CN110518354A (en) * | 2019-09-02 | 2019-11-29 | 武汉虹信通信技术有限责任公司 | Multifrequency antenna for base station |
| CN113629382A (en) * | 2021-07-29 | 2021-11-09 | 中信科移动通信技术股份有限公司 | Multiport base station antenna |
| CN113708092A (en) * | 2021-08-30 | 2021-11-26 | 中信科移动通信技术股份有限公司 | Multiport base station antenna |
| CN113764902A (en) * | 2021-09-27 | 2021-12-07 | 中信科移动通信技术股份有限公司 | Antenna reflection boundary and antenna |
-
2018
- 2018-04-09 CN CN201820494258.5U patent/CN208028207U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462020A (en) * | 2018-12-20 | 2019-03-12 | 东莞市云通通讯科技有限公司 | Low frequency wideband vibrator and antenna for base station |
| CN109599665A (en) * | 2019-01-08 | 2019-04-09 | 广东司南通信科技有限公司 | A kind of double polarization array antenna and its application |
| WO2020143113A1 (en) * | 2019-01-08 | 2020-07-16 | 广东司南通信科技有限公司 | Dual-polarized array antenna and application thereof |
| CN109599665B (en) * | 2019-01-08 | 2024-04-19 | 广州司南技术有限公司 | Dual-polarized array antenna and application thereof |
| CN110518354A (en) * | 2019-09-02 | 2019-11-29 | 武汉虹信通信技术有限责任公司 | Multifrequency antenna for base station |
| CN110518354B (en) * | 2019-09-02 | 2021-05-14 | 武汉虹信科技发展有限责任公司 | Multi-frequency base station antenna |
| CN113629382A (en) * | 2021-07-29 | 2021-11-09 | 中信科移动通信技术股份有限公司 | Multiport base station antenna |
| CN113708092A (en) * | 2021-08-30 | 2021-11-26 | 中信科移动通信技术股份有限公司 | Multiport base station antenna |
| CN113764902A (en) * | 2021-09-27 | 2021-12-07 | 中信科移动通信技术股份有限公司 | Antenna reflection boundary and antenna |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 |