CN207559070U - Antenna for base station and its spacer - Google Patents
Antenna for base station and its spacer Download PDFInfo
- Publication number
- CN207559070U CN207559070U CN201721573422.3U CN201721573422U CN207559070U CN 207559070 U CN207559070 U CN 207559070U CN 201721573422 U CN201721573422 U CN 201721573422U CN 207559070 U CN207559070 U CN 207559070U
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- planar portions
- spacer
- narrow slit
- row
- horizontal narrow
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Abstract
The utility model discloses a kind of spacers, the spacer is metal spacing block, the spacer has the first elongated planar portions, the horizontal narrow slit for being formed with multiple hollow outs is processed in first planar portions along the length direction of first planar portions, interleaving stack arranges each horizontal narrow slit in the horizontal plane.The invention also discloses a kind of antenna for base station.By the above embodiment, which can amplify resonating electric field, resonating electric field is made to cancel out each other with incident electric fields, improve the isolation of antenna.
Description
Technical field
The utility model is related to a kind of antenna for base station and its spacers.
Background technology
Lightweight, miniaturization and it is integrated be antenna for base station technological development direction constant for a long time.Look back base station day
The history of line development, from initial single-row-narrowband-single-frequency-single-polarized antenna to multiple row-broadband-multifrequency-dual polarized antenna, with
As for the 5th third-generation mobile communication i.e. by the widely used extensive MIMO array antenna of three-dimensional topology, one side array persistently becomes
Greatly, array element quantity increases, and the networking of another aspect high density proposes beam forming and space diversity higher technical indicator will
It asks, this arrangement for allowing for array element must be compacter, makes antenna for base station size constancy that can be accommodated in the case of even reducing
More antenna elements, so as to meet gain and the indices requirement of directional diagram comprehensively.
At present, domestic macro base station antenna is limited in order to make full use of generally using low-and high-frequency oscillator mixing group battle array technology
Inner space to place more array elements, " coaxial " group battle array mode that low-and high-frequency oscillator generally use is disposed vertically up and down or
Person's low-frequency vibrator is placed along reflecting plate central axes, and high frequency oscillator comes " shoulder to shoulder " group battle array mode on both sides.For biserial or
For multiple row antenna, electromagnetic coupling between the column and the column can cause antenna gain to decline, the horizontal wide diverging of wave, and wave beam is crooked, abnormal
Become, the harmful effects such as cross polarization discrimination and front and rear ratio deterioration, thus between adjacent column therefore uncoupling also becomes array day
The key points and difficulties of line design.
Utility model content
The utility model provides a kind of antenna for base station and its spacer to solve above-mentioned technical problem, and the spacer can
So that resonating electric field amplifies, resonating electric field is made to cancel out each other with incident electric fields, improves the isolation of antenna.
In order to solve the above technical problems, the utility model provides a kind of spacer, the spacer is metal spacing block, institute
It states spacer and has the first elongated planar portions, along the length direction of first planar portions in first planar portions
Upper to process the horizontal narrow slit for being formed with multiple hollow outs, interleaving stack arranges each horizontal narrow slit in the horizontal plane.
Further, along the short transverse of first planar portions, multiple horizontal narrow slits are in first plane
It is configured as in portion more than two rows, when the horizontal narrow slit of adjacent row is staggered, the water of two neighbouring rows
There are overlapping relations in subregion at least part horizontal narrow slit between flat slit.
Further, along the short transverse of first planar portions, multiple horizontal narrow slits are in first plane
It is configured as in portion more than three rows, the horizontal narrow slit of row separately is aligned at the both ends of first planar portions.
Further, the quantity of the horizontal narrow slit of adjacent row is configured as identical；Alternatively, adjacent row is described
The quantity of horizontal narrow slit is configured as difference, and the quantity of the horizontal narrow slit of row separately is configured as identical.
Further, the sustained height processing of the row in first planar portions separately be formed be shorter in length than it is described
The length of horizontal narrow slit, width are less than the rectangular window of the hollow out of the width of the horizontal narrow slit, and the rectangular window is at least set to
At the lateral edges of first planar portions.
Further, the spacing with the adjacent horizontal gap of a line is between 10mm~20mm;That does not go together is each described
The length and width of horizontal gap does identical setting, and length is between 30mm~50mm, and width is between 5mm~10mm.
Further, the spacer is also equipped with the second planar portions, first planar portions and the second planar portions structure
Into " L " word shape；The second planar portions bottom is removably equipped with medium gasket.
In order to solve the above technical problems, the utility model additionally provides a kind of antenna for base station, including：It is equipped with aerial array
Reflecting plate；The side of the reflecting plate is using the spacer as described in any of the above-described embodiment.
In order to solve the above technical problems, the utility model additionally provides a kind of antenna for base station, including：It is equipped with more than two row
The reflecting plate of aerial array；The spacer as described in an above-mentioned embodiment is installed between aerial array described in adjacent column.
Further, the side of the reflecting plate uses such as claim 1~7 any one of them spacer.
The antenna for base station and its spacer of the utility model, have the advantages that：
By setting the horizontal narrow slit of stack arrangement, resonating electric field can be amplified, improve the isolation of antenna；
Also, since the horizontal narrow slit is hollow out, it can significantly mitigate antenna weights.
Description of the drawings
Fig. 1 is the schematic side view of the utility model spacer.
Fig. 2 is the floor map of one embodiment of the utility model spacer.
Fig. 3 is the floor map of another embodiment of the utility model spacer.
Specific embodiment
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
It is referred to reference to Fig. 1 to Fig. 3, the utility model provides a kind of spacer 1 applied in antenna for base station.It should be every
It is such as copper spacer 1 of metal spacing block 1 or aluminum spacer 1 from piece 1.The spacer 1 has elongated first
Planar portions 11.Along the length direction of the first planar portions 11, the level for being formed with multiple hollow outs is processed in the first planar portions 11
Slit 111, interleaving stack arranges each horizontal narrow slit 111 in the horizontal plane.Wherein, horizontal narrow slit 111 refers specifically to flat along first
The slit of the length direction extension of face 11.Every one of horizontal narrow slit 111 can be considered single resonance source, make resonating electric field is same to be stacked
Add, so as to enhance isolation effect.Can by the arrangement mode between the size of optimum level slit 111 and horizontal narrow slit 111,
Suitable for being isolated, and then significantly improve the isolation of antenna between the row of various array antennas.
Specifically, along the short transverse of the first planar portions 11, multiple horizontal narrow slits 111 quilt in the first planar portions 11
Be configured to more than two rows, when the horizontal narrow slit 111 of adjacent row is staggered, the horizontal narrow slits 111 of two neighbouring rows it
Between at least part horizontal narrow slit 111 in subregion, there are overlapping relations（The projection viewing from short transverse）.
In one embodiment, along the short transverse of the first planar portions 11, multiple horizontal narrow slits 111 are in the first plane
It is configured as in portion 11 more than three rows, the horizontal narrow slit 111 of row separately is aligned at the both ends of the first planar portions 11.
Preferably, the sustained height processing of the row in the first planar portions 11 separately is formed with and is shorter in length than horizontal narrow slit
111 length, width are less than the rectangular window 112 of the hollow out of the width of horizontal narrow slit 111, and rectangular window 112 is at least set to first
At the lateral edges of planar portions 11.112 mouthfuls of the rectangular window can partly overlap with neighbouring horizontal narrow slit 111 or not weigh
It is folded, it is not restricted herein.The setting of the rectangular window 112 wide to horizontal wave can be finely adjusted.
In one embodiment, as shown in Fig. 2, the quantity of the horizontal narrow slit 111 of adjacent row be configured as it is identical, certainly,
This also means that the quantity of the horizontal narrow slit 111 of row separately be configured as it is identical.In the embodiment depicted in figure 2, on to
Under be defined as the row of the 1st row~the 4th successively.The horizontal narrow slit 111 of 1st row and the 3rd row equidistantly arranges, the water of the 2nd row and the 4th row
Not etc. but can not have with spacing between adjacent horizontal narrow slit 111 in flat 111 periodic arrangement of slit namely the 2nd row and the 4th row
Rule is configured, at this point, each horizontal narrow slit 111 of the 1st row and the 3rd row is crossed over and partly overlap the 2nd row and the 4th row
Two neighboring horizontal narrow slit 111（Except end）.Further, 112 mouthfuls of rectangular window in this embodiment, is provided only in
At the lateral edges of first planar portions 11.
In another embodiment, as shown in figure 3, the quantity of the horizontal narrow slit 111 of adjacent row is configured as difference, and phase
The quantity of the horizontal narrow slit 111 of the row at interval is configured as identical.In the embodiment shown in fig. 3, it is defined as successively from top to bottom
The row of 1st row~the 4th, horizontal narrow slit 111 is respectively N number of, 111 every 2N of horizontal narrow slit of the 2nd row and the 4th row in the 1st row and the 3rd row
It is a.It is equidistantly arranged between 1st row and the horizontal narrow slit 111 of the 3rd row, between the 2nd row and the horizontal narrow slit 111 of the 4th row also etc.
Spacing arranges, at this point, one end of the two neighboring horizontal narrow slit 111 of the 2nd row and the 4th row at least can be by the 1st row and the 3rd row
One of horizontal narrow slit 111 is crossed over and is partly overlapped.It further, not only can be with setting at the lateral edges of the first planar portions 11
Above-mentioned rectangular window 112, can also be in the two neighboring horizontal narrow slit 111 of the 2nd row and the 4th row not by its of the 1st row and the 3rd row
In a horizontal narrow slit 111 cross over and partly overlapping position sets above-mentioned rectangular window 112, which can regard and need
It crosses over and is overlapped the end, can not also cross over and not be overlapped the end.
In above-described embodiment, with a line adjacent level gap spacing between 10mm~20mm;Each level do not gone together
The length and width in gap does identical setting, and length preferably could be provided as 40mm between 30mm~50mm；Its width between
5mm~10mm.The length and width of spacing, each horizontal gap between adjacent level gap specifically can according to related needs into
Row design and adjustment.
In one embodiment, spacer 1 is also equipped with the second planar portions 12, the first planar portions 11 and the second planar portions 12
" L " word shape is formed, the first planar portions 11 extend along vertical direction, and the second planar portions 12 are from the base edge of the first planar portions 11
Horizontal direction extension.First planar portions, 11 and second planar portions 12 citing can be by the way that same sheet metal be bent
And obtain, naturally it is also possible to obtained by the modes such as assembling or welding, second planar portions 12 be provided with to be conducive to will be entire
Spacer 1 is installed to reflecting plate 2.
Preferably, it can removably assemble medium gasket in 12 bottom of the second planar portions（It is not shown）, can subsequently subtract
Few influence wide to horizontal wave, and then improve the front and rear ratio of antenna.
Under the guide of the utility model, only need slight changes, you can generate more above-mentioned plane stack resonant modes every
Embodiment from piece 1, therefore, corresponding design and product should all be included within the scope of protection of the utility model.
The utility model also provides a kind of antenna for base station.The antenna for base station includes reflecting plate 2 and is assemblied on reflecting plate 2
An at least array antenna array（It is not shown）.Wherein, the side of the reflecting plate 2 is using the isolation as described in any of the above-described embodiment
Piece 1.The setting of the spacer 1 can reduce the influence wide to horizontal wave of side in traditional reflective plate 2, and playing improves antenna
The effect of front and rear ratio.
The utility model also provides a kind of antenna for base station.The antenna for base station includes reflecting plate 2 and is assemblied on reflecting plate 2
Aerial arrays more than two row（It is not shown）.Wherein, it is provided between the aerial array of adjacent column such as any of the above-described embodiment
The spacer 1.The setting of the spacer 1 can improve the isolation between antenna element, improve interport isolation and antenna
Cross polarization.
In a preferred embodiment, medium gasket is added between the spacer 1 and reflecting plate 2 to be isolated and then keep away to realize
Exempt from the passive intermodulation problem that spacer 1 causes with reflecting plate 2 since electrical contact occurs.Wherein, medium gasket can be set in advance
Be placed in the bottom of spacer 1, as spacer 1 the second plane on；Alternatively, medium gasket, which can also be realized, is set to reflecting plate 2
On.
In a preferred embodiment, the side of the reflecting plate 2 can also use as described in any of the above-described embodiment every
From piece 1, to reduce the influence wide to horizontal wave, and then improve the front and rear ratio of antenna.
The antenna for base station and its spacer of the utility model, have the advantages that：
By setting the horizontal narrow slit 111 of stack arrangement, resonating electric field can be amplified, improve the isolation of antenna；
Also, since the horizontal narrow slit 111 is the structure of hollow out, it can significantly mitigate antenna weights.
It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit
The equivalent structure or equivalent flow shift made with the utility model specification and accompanying drawing content, is directly or indirectly used in it
His relevant technical field, is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of spacer, it is characterised in that：
The spacer is metal spacing block, and the spacer has the first elongated planar portions, flat along described first
The length direction of face processes the horizontal narrow slit for being formed with multiple hollow outs in first planar portions, and each horizontal narrow slit exists
Interleaving stack arranges in horizontal plane.
2. spacer according to claim 1, it is characterised in that：
Along the short transverse of first planar portions, multiple horizontal narrow slits are configured as two in first planar portions
More than row, when the horizontal narrow slit of adjacent row is staggered, between the horizontal narrow slit of two neighbouring rows extremely
There are overlapping relations in subregion for horizontal narrow slit described in small part.
3. spacer according to claim 2, it is characterised in that：
Along the short transverse of first planar portions, multiple horizontal narrow slits are configured as three in first planar portions
More than row, the horizontal narrow slit of row separately is aligned at the both ends of first planar portions.
4. spacer according to claim 3, it is characterised in that：
The quantity of the horizontal narrow slit of adjacent row is configured as identical；
Alternatively, the quantity of the horizontal narrow slit of adjacent row is configured as difference, the horizontal narrow slit of row separately
Quantity is configured as identical.
5. spacer according to claim 3, it is characterised in that：
The sustained height processing of row in first planar portions separately is formed with the length for being shorter in length than the horizontal narrow slit
Degree, width are less than the rectangular window of the hollow out of the width of the horizontal narrow slit, and the rectangular window is at least set to first plane
At the lateral edges in portion.
6. spacer according to claim 2, it is characterised in that：
With a line the adjacent horizontal gap spacing between 10mm~20mm;
The length and width of each horizontal gap do not gone together does identical setting, and length is between 30mm~50mm, width
Between 5mm~10mm.
7. spacer according to claim 1, it is characterised in that：
The spacer is also equipped with the second planar portions, and first planar portions form " L " word shape with second planar portions；
The second planar portions bottom is removably equipped with medium gasket.
8. a kind of antenna for base station, which is characterized in that including：
It is equipped with the reflecting plate of aerial array；
The side of the reflecting plate uses such as claim 1~7 any one of them spacer.
9. a kind of antenna for base station, which is characterized in that including：
It is equipped with the reflecting plate of two row more than aerial arrays；
Installing is just like claim 1~7 any one of them spacer between aerial array described in adjacent column.
10. antenna for base station according to claim 9, it is characterised in that：
The side of the reflecting plate uses such as claim 1~7 any one of them spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573422.3U CN207559070U (en) | 2017-11-22 | 2017-11-22 | Antenna for base station and its spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573422.3U CN207559070U (en) | 2017-11-22 | 2017-11-22 | Antenna for base station and its spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207559070U true CN207559070U (en) | 2018-06-29 |
Family
ID=62680595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721573422.3U Active CN207559070U (en) | 2017-11-22 | 2017-11-22 | Antenna for base station and its spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207559070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785662A (en) * | 2017-11-22 | 2018-03-09 | 广东通宇通讯股份有限公司 | Antenna for base station and its spacer |
| CN110943295A (en) * | 2019-11-25 | 2020-03-31 | 武汉虹信通信技术有限责任公司 | Multi-beam antenna array, base station antenna and antenna array decoupling method |
-
2017
- 2017-11-22 CN CN201721573422.3U patent/CN207559070U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785662A (en) * | 2017-11-22 | 2018-03-09 | 广东通宇通讯股份有限公司 | Antenna for base station and its spacer |
| CN107785662B (en) * | 2017-11-22 | 2023-10-13 | 广东通宇通讯股份有限公司 | Base station antenna and isolation sheet thereof |
| CN110943295A (en) * | 2019-11-25 | 2020-03-31 | 武汉虹信通信技术有限责任公司 | Multi-beam antenna array, base station antenna and antenna array decoupling method |
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