CN217062496U - Multi-frequency multi-port base station antenna - Google Patents
Multi-frequency multi-port base station antenna Download PDFInfo
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- CN217062496U CN217062496U CN202220815488.3U CN202220815488U CN217062496U CN 217062496 U CN217062496 U CN 217062496U CN 202220815488 U CN202220815488 U CN 202220815488U CN 217062496 U CN217062496 U CN 217062496U
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Abstract
The utility model relates to a mobile communication field discloses a multifrequency multiport base station antenna, from top to bottom is first high frequency radiation array, first low frequency radiation array, second high frequency radiation array, third high frequency radiation array, second low frequency radiation array, fourth high frequency radiation array in proper order, wherein first high frequency radiation array sets up in the upper left part of first low frequency radiation array; the second high-frequency radiating array is arranged below the right part of the first low-frequency radiating array; the third high-frequency radiating array is arranged above the right part of the second low-frequency radiating array; the fourth high-frequency radiating array is arranged below the left part of the second low-frequency radiating array; the utility model discloses an adopt high frequency filtering radiation unit and low frequency filtering radiation unit simultaneously and place low frequency radiation array between high frequency radiation array ingeniously, solved in 698~960MHz and 1710~2690MHz frequency channel and realized the requirement and miniaturization, the lightweight requirement that the multifrequency multiport antenna satisfied the electrical property index simultaneously in the finite dimension.
Description
Technical Field
The utility model relates to a mobile communication base station antenna field, concretely relates to multifrequency multiport base station antenna.
Background
With the continuous development of mobile communication technology, multi-frequency multi-standard multi-port base station antennas are applied more and more. In a multi-frequency antenna, high and low frequencies are commonly used to distinguish each frequency band, generally defining a frequency range of 698MHz to 960MHz as a low frequency band, and defining a frequency range of 1710MHz to 2690MHz as a high frequency band.
In practical application, in order to guarantee performance indexes in each frequency band, a multi-frequency multi-port antenna often divides high and low frequencies separately; but is limited by the frontal area specified by the operator, the overall upper size limit of the antenna is usually fixed. Therefore, it is necessary to reasonably arrange the high-frequency radiating unit and the low-frequency radiating unit in the multi-frequency and multi-port antenna so as to meet the requirements of electrical performance indexes and the requirements of miniaturization and light weight.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: an object of the utility model is to provide a multifrequency multiport base station antenna realizes satisfying the electrical property index requirement and miniaturization, the lightweight requirement of antenna simultaneously in finite size.
The technical scheme is as follows: the utility model provides a pair of multifrequency multiport base station antenna, include: the two rows of low-frequency radiation arrays and the four rows of high-frequency radiation arrays are a first high-frequency radiation array, a first low-frequency radiation array, a second high-frequency radiation array, a third high-frequency radiation array, a second low-frequency radiation array and a fourth high-frequency radiation array from top to bottom in sequence; the first high-frequency radiating array is arranged above the left part of the first low-frequency radiating array; the second high-frequency radiating array is arranged below the right part of the first low-frequency radiating array; the third high-frequency radiation array is arranged above the right part of the second low-frequency radiation array; the fourth high-frequency radiating array is arranged below the left part of the second low-frequency radiating array.
Furthermore, four high-frequency filtering radiation units on the left side of the first high-frequency radiation array are arranged above two low-frequency filtering radiation units on the left side of the first low-frequency radiation array, no high-frequency filtering radiation unit is arranged below the two low-frequency filtering radiation units on the right side of the first low-frequency radiation array, no high-frequency filtering radiation unit is arranged above the two low-frequency filtering radiation units on the right side of the first low-frequency radiation array, and four high-frequency filtering radiation units on the right side of the second high-frequency radiation array are arranged below the two low-frequency filtering radiation units; the high-frequency filtering radiation units are not arranged above the two low-frequency filtering radiation units on the left side of the second low-frequency radiation array, the four high-frequency filtering radiation units on the left side of the fourth high-frequency radiation array are arranged below the two low-frequency filtering radiation units on the right side of the second low-frequency radiation array, the four high-frequency filtering radiation units on the right side of the third high-frequency radiation array are arranged above the two low-frequency filtering radiation units on the right side of the second low-frequency radiation array, and the high-frequency filtering radiation units are not arranged below the two low-frequency filtering radiation units.
Furthermore, the first low-frequency radiation array is formed by arraying 7 first low-frequency filtering radiation units at equal intervals along a straight line, and from the left to the right, the first low-frequency filtering radiation units from No. 1 to No. 7 are arrayed; the second low-frequency radiation array is formed by 7 second low-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, a No. 1 second low-frequency filtering radiation unit to a No. 7 second low-frequency filtering radiation unit are arranged; the two low-frequency radiating arrays are parallel to each other and the radiating elements are aligned one by one.
Furthermore, the first high-frequency radiation array is formed by arraying 10 first high-frequency filtering radiation units at equal intervals along a straight line, and from the left to the right, the first high-frequency filtering radiation units from number 1 to number 10; the second high-frequency radiation array is formed by 10 second high-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the second high-frequency filtering radiation units from No. 1 to No. 10 are arranged; the third high-frequency radiation array is formed by 10 third high-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the third high-frequency filtering radiation unit from No. 1 to the third high-frequency filtering radiation unit from No. 10; the fourth high-frequency radiation array is formed by 10 fourth high-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the fourth high-frequency filtering radiation unit from No. 1 to the fourth high-frequency filtering radiation unit from No. 10; the four rows of high-frequency radiating arrays are parallel to each other and have equal longitudinal spacing.
Furthermore, the longitudinal distance between the two rows of low-frequency radiation arrays is 0.7-0.9 lambda 1, the transverse array distance between the two rows of low-frequency radiation arrays is 0.7-0.9 lambda 1, and lambda 1 is the wavelength corresponding to the central frequency of the working frequency band of the two rows of low-frequency radiation arrays.
Furthermore, the longitudinal spacing of the four rows of high-frequency radiating arrays is 0.7-0.9 lambda 2, the transverse array spacing of the four rows of high-frequency radiating arrays is 0.7-0.9 lambda 2, and lambda 2 is the wavelength corresponding to the central frequency of the working frequency band of the four rows of high-frequency radiating arrays.
Furthermore, the first high-frequency radiation array and the second high-frequency radiation array are arranged on two sides of the first low-frequency radiation array, wherein the first high-frequency radiation array is arranged above the No. 1 first low-frequency filtering radiation unit to the No. 5 first low-frequency filtering radiation unit; the second high-frequency radiation array is arranged below the No. 3 first low-frequency filtering radiation unit to the No. 7 first low-frequency filtering radiation unit, and the first high-frequency radiation array and the second high-frequency radiation array are longitudinally arranged in a staggered mode to reduce coupling between the two arrays; the third high-frequency radiation array and the fourth high-frequency radiation array are arranged on two sides of the second low-frequency radiation array, wherein the third high-frequency radiation array is arranged above the No. 3 second low-frequency filtering radiation unit and the No. 7 second low-frequency filtering radiation unit; the fourth high-frequency radiation array is arranged below the No. 1 second low-frequency filtering radiation unit and the No. 5 second low-frequency filtering radiation unit, and the third high-frequency radiation array and the fourth high-frequency radiation array are longitudinally arranged in a staggered mode to reduce coupling between the two arrays.
Further, the utility model provides a pair of multifrequency multiport base station antenna still includes: the low-frequency radiating array coupling device comprises a reflecting plate and coupling bridges, wherein two columns of low-frequency radiating arrays and four columns of high-frequency radiating arrays are arranged on the reflecting plate, and the coupling bridges are respectively connected with one low-frequency filtering radiating unit in a first low-frequency radiating array and one low-frequency filtering radiating unit in a second low-frequency radiating array corresponding to the coupling bridges in position. .
Has the advantages that: compared with the prior art, the utility model provides a pair of multifrequency multiport base station antenna inserts low frequency radiation array between high frequency radiation array ingeniously through adopting high frequency filtering radiating element and low frequency filtering radiating element simultaneously, has solved requirement and miniaturization, the lightweight requirement that realizes multifrequency multiport antenna and satisfy the electrical property index simultaneously in 698~960MHz and 1710~2690MHz frequency channel in the finite dimension.
Drawings
Fig. 1 is a schematic diagram of a multi-frequency multi-port base station antenna structure according to the present invention.
Fig. 2 is a second schematic diagram of a multi-frequency multi-port base station antenna structure according to the present invention.
Fig. 3 is a third schematic diagram of an antenna structure of a multi-frequency and multi-port base station according to the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention discloses a multi-frequency multi-port base station antenna, including: the two rows of low-frequency radiating arrays (1, 2) and the four rows of high-frequency radiating arrays (3, 4, 5, 6) are sequentially a first high-frequency radiating array 3, a first low-frequency radiating array 1, a second high-frequency radiating array 4, a third high-frequency radiating array 5, a second low-frequency radiating array 2 and a fourth high-frequency radiating array 6 from top to bottom.
As shown in fig. 2, the first low-frequency radiating array 1 is an array formed by 7 first low-frequency filtering radiating elements (101, 102, 103, 104, 105, 106, 107) arranged at equal intervals along a straight line; the second low-frequency radiating array 2 is an array formed by 7 second low-frequency filtering radiating elements (201, 202, 203, 204, 205, 206 and 207) at equal intervals along a straight line. The first high-frequency radiating array 3 is an array formed by 10 first high-frequency filtering radiating elements (301, 302, 303, 304, 305, 306, 307, 308, 309 and 310) at equal intervals along a straight line; the second high-frequency radiation array 4 is an array formed by 10 second high-frequency filtering radiation units (401, 402, 403, 404, 405, 406, 407, 408, 409 and 410) at equal intervals along a straight line; the third high frequency radiation array 5 is an array formed by 10 third high frequency filtering radiation units (501, 502, 503, 504, 505, 506, 507, 508, 509, 510) at equal intervals along a straight line; the fourth high-frequency radiation array 6 is an array formed by 10 fourth high-frequency filtering radiation units (601, 602, 603, 604, 605, 606, 607, 608, 609 and 610) at equal intervals along a straight line.
As shown in fig. 2 and 3, the first low-frequency filtering radiating elements (101, 102, 103, 104, 105, 106, 107) are equally spaced and are d1 apart from each other, the second low-frequency filtering radiating elements (201, 202, 203, 204, 205, 206, 207) are equally spaced and are d2 apart from each other, and the two low-frequency radiating arrays (1, 2) are parallel to each other and have radiating elements in one-to-one correspondence (i.e., 101 corresponds to 201, 102 corresponds to 202, 103 corresponds to 203, 104 corresponds to 204, 105 corresponds to 205, 106 corresponds to 206, 107 corresponds to 207). The distance between the parallel lines of the two columns of low-frequency radiating arrays (1, 2) is d 3. Wherein d1= d2= 0.7-0.9 λ 1, d3= 0.7-0.9 λ 1; λ 1 is the wavelength corresponding to the center frequency of the two columns of low frequency radiation array working frequency bands.
As shown in fig. 2 and 3, the first rf filter radiating elements (301, 302, 303, 304, 305, 306, 307, 308, 309 and 310) are equally spaced and have a distance d4, the second rf filter radiating elements (401, 402, 403, 404, 405, 406, 407, 408, 409 and 410) are equally spaced and have a distance d5, the third rf filter radiating elements (501, 502, 503, 504, 505, 506, 507, 508, 509 and 510) are equally spaced and have a distance d6, the fourth rf filter radiating elements (601, 602, 603, 604, 605, 606, 607, 608, 609 and 610) are equally spaced and have a distance d7, and the four rows of rf radiating arrays (3, 4, 5 and 6) are equally spaced and have a distance d 8. Wherein d4= d5= d6= d7= 0.7-0.9 λ 2, d8= 0.7-0.9 λ 2; λ 2 is the wavelength corresponding to the central frequency of the working frequency band of the four rows of high-frequency radiating arrays.
As shown in fig. 2, the first high frequency radiation array 3 and the second high frequency radiation array 4 are disposed on both sides of the first low frequency radiation array 1, wherein the first high frequency filtering radiation unit (301, 302, 303, 304, 305, 306, 307, 308, 309, 310) is disposed above the first low frequency filtering radiation unit (101, 102, 103, 104, 105); the second high-frequency filtering radiation units (401, 402, 403, 404, 405, 406, 407, 408, 409 and 410) are arranged below the first low-frequency filtering radiation units (103, 104, 105, 106 and 107); the first high-frequency radiating array 3 and the second high-frequency radiating array 4 are parallel to each other, but the radiating elements do not correspond to each other, but are arranged at two sides of the first low-frequency radiating array 1 in a staggered manner, so that the coupling between the two arrays is reduced. The third high-frequency radiating array 5 and the fourth high-frequency radiating array 6 are arranged at two sides of the second low-frequency radiating array 2, wherein the third high-frequency filtering radiating units (501, 502, 503, 504, 505, 506, 507, 508, 509, 510) are arranged above the second low-frequency filtering radiating units (201, 202, 203, 204, 205); fourth high-frequency filtering radiation units (601, 602, 603, 604, 605, 606, 607, 608, 609 and 610) are arranged below the second low-frequency filtering radiation units (203, 204, 205, 206 and 207); the third high frequency radiating array 5 and the fourth high frequency radiating array 6 are parallel to each other but the radiating elements do not correspond to each other, but are arranged at two sides of the second low frequency radiating array 2 in a staggered manner so as to reduce the coupling between the two arrays.
In an optional example, an embodiment of the present invention provides a multi-frequency multi-port base station antenna, further including: two columns of reflecting plates and four columns of coupling bridges of the low-frequency radiation arrays and the four columns of high-frequency radiation arrays are installed, the coupling bridges are respectively connected with one of the first low-frequency filtering radiation units and one of the second low-frequency filtering radiation units which are in one-to-one correspondence, for example, the coupling bridges are respectively connected with the first low-frequency filtering radiation units 107 and the second low-frequency filtering radiation units 207 and used for converging the horizontal wave speed width index of the directional diagram.
The utility model provides a pair of multifrequency multiport base station antenna inserts low frequency radiation array between high frequency radiation array ingeniously through adopting high frequency filtering radiating element and low frequency filtering radiating element simultaneously, has solved requirement and miniaturization, the lightweight requirement that realizes multifrequency multiport antenna and satisfy electrical property index simultaneously in the finite size in low frequency band 698~960MHz and high frequency band 1710~2690 MHz.
Claims (7)
1. A multi-frequency, multi-port base station antenna, comprising: the two rows of low-frequency radiation arrays and the four rows of high-frequency radiation arrays are a first high-frequency radiation array, a first low-frequency radiation array, a second high-frequency radiation array, a third high-frequency radiation array, a second low-frequency radiation array and a fourth high-frequency radiation array from top to bottom in sequence; the first high-frequency radiating array is arranged above the left part of the first low-frequency radiating array; the second high-frequency radiating array is arranged below the right part of the first low-frequency radiating array; the third high-frequency radiation array is arranged above the right part of the second low-frequency radiation array; the fourth high-frequency radiating array is arranged below the left part of the second low-frequency radiating array.
2. The multi-frequency multi-port base station antenna according to claim 1, wherein four high frequency filtering radiating elements on the left side of the first high frequency radiating array are arranged above two low frequency filtering radiating elements on the left side of the first low frequency radiating array, no high frequency filtering radiating element is arranged below the two low frequency filtering radiating elements on the right side of the first low frequency radiating array, no high frequency filtering radiating element is arranged above the two low frequency filtering radiating elements on the right side of the first low frequency radiating array, and four high frequency filtering radiating elements on the right side of the second high frequency radiating array are arranged below the two low frequency filtering radiating elements; the high-frequency filtering radiation units are not arranged above the two low-frequency filtering radiation units on the left side of the second low-frequency radiation array, the four high-frequency filtering radiation units on the left side of the fourth high-frequency radiation array are arranged below the two low-frequency filtering radiation units on the right side of the second low-frequency radiation array, the four high-frequency filtering radiation units on the right side of the third high-frequency radiation array are arranged above the two low-frequency filtering radiation units on the right side of the second low-frequency radiation array, and the high-frequency filtering radiation units are not arranged below the two low-frequency filtering radiation units.
3. The multi-frequency multi-port base station antenna according to claim 1, wherein the first low frequency radiating array is formed by 7 first low frequency filtering radiating elements arranged in a straight line at equal intervals from the first low frequency filtering radiating element No. 1 to the first low frequency filtering radiating element No. 7; the second low-frequency radiation array is formed by 7 second low-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the second low-frequency filtering radiation units from No. 1 to No. 7 are arranged; the two lines of low-frequency radiating arrays are mutually parallel and the radiating units are aligned one by one; the first high-frequency radiation array is formed by 10 first high-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the first high-frequency filtering radiation units from No. 1 to No. 10 are arranged; the second high-frequency radiation array is formed by 10 second high-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the number 1 second high-frequency filtering radiation unit to the number 10 second high-frequency filtering radiation unit are arranged; the third high-frequency radiation array is formed by 10 third high-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the third high-frequency filtering radiation unit from No. 1 to the third high-frequency filtering radiation unit from No. 10; the fourth high-frequency radiation array is formed by 10 fourth high-frequency filtering radiation units which are arranged at equal intervals along a straight line, and from the left to the right, the fourth high-frequency filtering radiation unit from No. 1 to the fourth high-frequency filtering radiation unit from No. 10; the four rows of high-frequency radiating arrays are mutually parallel and have equal longitudinal spacing.
4. The multi-frequency multi-port base station antenna according to claim 3, wherein the longitudinal distance between two rows of low frequency radiating arrays is 0.7-0.9 λ 1, the transverse array distance between two rows of low frequency radiating arrays is 0.7-0.9 λ 1, and λ 1 is the wavelength corresponding to the central frequency of the working frequency band of two rows of low frequency radiating arrays.
5. The multi-frequency multi-port base station antenna according to claim 3, wherein a longitudinal pitch of the four rows of high frequency radiating arrays is 0.7-0.9 λ 2, a transverse array pitch of the four rows of high frequency radiating arrays is 0.7-0.9 λ 2, and λ 2 is a wavelength corresponding to a central frequency of an operating frequency band of the four rows of high frequency radiating arrays.
6. The multi-frequency multi-port base station antenna according to claim 3, wherein the first high frequency radiating array is disposed above the first low frequency filtering radiating element No. 1 to the first low frequency filtering radiating element No. 5; the second high-frequency radiation array is arranged below the No. 3 first low-frequency filtering radiation unit to the No. 7 first low-frequency filtering radiation unit; the third high-frequency radiation array is arranged above the No. 3 second low-frequency filtering radiation unit and the No. 7 second low-frequency filtering radiation unit; the fourth high-frequency radiation array is arranged below the No. 1 second low-frequency filtering radiation unit and the No. 5 second low-frequency filtering radiation unit.
7. The multi-frequency, multi-port base station antenna of claim 1, further comprising: the low-frequency radiating array coupling device comprises a reflecting plate and coupling bridges, wherein two columns of low-frequency radiating arrays and four columns of high-frequency radiating arrays are arranged on the reflecting plate, and the coupling bridges are respectively connected with one low-frequency filtering radiating unit in a first low-frequency radiating array and one low-frequency filtering radiating unit in a second low-frequency radiating array corresponding to the coupling bridges in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220815488.3U CN217062496U (en) | 2022-04-11 | 2022-04-11 | Multi-frequency multi-port base station antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220815488.3U CN217062496U (en) | 2022-04-11 | 2022-04-11 | Multi-frequency multi-port base station antenna |
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| Publication Number | Publication Date |
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| CN217062496U true CN217062496U (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220815488.3U Active CN217062496U (en) | 2022-04-11 | 2022-04-11 | Multi-frequency multi-port base station antenna |
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| CN (1) | CN217062496U (en) |
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- 2022-04-11 CN CN202220815488.3U patent/CN217062496U/en active Active
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