CN210137016U - Multi-frequency antenna array - Google Patents
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- CN210137016U CN210137016U CN201921303008.XU CN201921303008U CN210137016U CN 210137016 U CN210137016 U CN 210137016U CN 201921303008 U CN201921303008 U CN 201921303008U CN 210137016 U CN210137016 U CN 210137016U
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- 238000007493 shaping process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
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Abstract
The utility model belongs to the technical field of communication, in particular to a multi-frequency antenna array, which is characterized by comprising a low-frequency antenna vibration group and a high-frequency antenna vibration group, wherein the low-frequency antenna vibration group comprises a first low-frequency vibrator, a second low-frequency vibrator and a third low-frequency vibrator; the high-frequency antenna shakes the group including first high-frequency antenna group and second high-frequency antenna group that shakes, first high-frequency antenna group that shakes includes first high-frequency oscillator, second high-frequency antenna group that shakes includes second high-frequency oscillator and the third high-frequency oscillator that position relation set up about respectively, first high-frequency oscillator, second high-frequency oscillator and third high-frequency oscillator all are equipped with a plurality ofly and all are the array and arrange, first low frequency oscillator has been inlayed first high-frequency oscillator, second low frequency oscillator has inlayed first high-frequency oscillator, first low frequency oscillator and second low frequency oscillator are equipped with first high-frequency oscillator, second high-frequency antenna group that shakes is located first high-frequency antenna group rear side. On the basis of reducing the structure size, the electric performance of each vibrator is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of the communication, especially, relate to a multifrequency antenna array.
Background
With the rapid development of the mobile communication antenna technology, the proportion of the multi-frequency multi-channel antenna is increasing, and in order to meet the user psychology and installation and reliability level, the reduction of the size and windward area also becomes the inevitable trend of the antenna industry development. In a scheme for realizing a multi-frequency multi-channel antenna with compact layout, a full nested scheme is mainly adopted, namely, more oscillators are distributed by using transverse dimensions to realize electrical performance, but the mutual influence between frequency bands is large, and the debugging difficulty is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide the multifrequency antenna array, it aims at reducing the influence between the frequency band, reduces the debugging degree of difficulty.
The utility model discloses a realize like this:
a multi-frequency antenna array, comprising:
the low-frequency antenna vibration group comprises a first low-frequency vibrator, a second low-frequency vibrator and a third low-frequency vibrator which are sequentially arranged from top to bottom, and the first low-frequency vibrator, the second low-frequency vibrator and the third low-frequency vibrator form a multi-channel low-frequency antenna together;
a high-frequency antenna oscillator group comprising a first high-frequency antenna oscillator group and a second high-frequency antenna oscillator group which are respectively arranged up and down in a position relationship, the first high-frequency antenna oscillator group comprises a first high-frequency oscillator, the second high-frequency antenna oscillator group comprises a second high-frequency oscillator and a third high-frequency oscillator which are respectively arranged up and down in position relation, the first high-frequency vibrator, the second high-frequency vibrator and the third high-frequency vibrator are all provided with a plurality of high-frequency vibrators which are all arranged in an array, the first low-frequency oscillator is embedded with the first high-frequency oscillator, the second low-frequency oscillator is embedded with the first high-frequency oscillator, the first low-frequency oscillator and the second low-frequency oscillator are provided with the first high-frequency oscillator, the second high-frequency antenna oscillator group is located on the rear side of the first high-frequency antenna oscillator group, the first high-frequency oscillators form a multi-channel high-frequency antenna together, and the second high-frequency oscillators and the third high-frequency oscillators form another multi-channel high-frequency antenna together.
Optionally, at least two second low-frequency oscillators are provided, one first high-frequency oscillator is provided between any two second low-frequency oscillators, and each second low-frequency oscillator and each first low-frequency oscillator are located on a straight line extending in the up-down direction.
Optionally, the center of the first low-frequency oscillator and the midpoint of the second low-frequency oscillator are arranged in a staggered manner in the vertical direction.
Optionally, the first low-frequency oscillator is a square bowl-shaped die-casting oscillator, the second low-frequency oscillator is a round bowl-shaped die-casting oscillator, and the third low-frequency oscillator is a cross-shaped PCB oscillator.
Optionally, the high-frequency antenna unit further comprises a plurality of directing devices;
wherein any one of the first high-frequency oscillators is provided with one of the guiding devices.
Optionally, the second high-frequency oscillator located between the first low-frequency oscillator and the second low-frequency oscillator is provided with one of the guiding devices;
and/or any third high-frequency oscillator is provided with the guiding device.
Optionally, the first low-frequency element, the second low-frequency element, and the third low-frequency element together form a four-channel low-frequency antenna, and an operating frequency band is 885MHz-960 MHz.
Optionally, the first high-frequency element forms a four-channel high-frequency antenna, and an operating frequency band is 1710MHz-1830 MHz.
Optionally, the second high-frequency element and the third high-frequency element form an eight-channel high-frequency antenna together, and the operating frequency bands are 1885MHz-1915MHz, 2010MHz-2025MHz, and 2515MHz-2675 MHz.
Optionally, the multi-frequency antenna array includes a reflection plate, and the low-frequency antenna vibration group and the high-frequency antenna vibration group are both fixed to the reflection plate.
The third low-frequency oscillator and each second high-frequency oscillator can share a space in the horizontal direction, and 'flower arrangement type' nesting is achieved, so that the space occupation is reduced, the structural size of the multi-frequency antenna array is reduced, and mutual coupling is weakened.
Based on the utility model discloses a structure, on the basis that reduces the structure size, greatly exert the characteristic of each oscillator, get the strong point and mend the weak point, furthest promotes the electrical property.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a multi-frequency antenna array provided by an embodiment of the present invention;
fig. 2 is a schematic upper-end partial structure diagram of a multi-frequency antenna array according to an embodiment of the present invention;
fig. 3 is a schematic view of a lower partial structure of a multi-frequency antenna array according to an embodiment of the present invention;
fig. 4 is a side view of a multi-frequency antenna array provided by an embodiment of the present invention;
fig. 5 is a schematic perspective view of the multi-frequency antenna array provided in the embodiment of the present invention in fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Low-frequency antenna vibration set | ||
| 110 | First |
120 | Second |
| 130 | Third |
||
| 200 | High-frequency |
||
| 210 | First high-frequency |
211 | First high- |
| 220 | Second high frequency |
||
| 222 | Second high- |
223 | Third |
| 300 | |
||
| 400 | Reflecting plate |
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.
The embodiment of the utility model provides a multifrequency antenna array.
Referring to fig. 1 to 5, the multi-frequency antenna array includes a low frequency antenna array 100 and a high frequency antenna array 200.
The low-frequency antenna group 100 comprises a first low-frequency oscillator 110, a second low-frequency oscillator 120 and a third low-frequency oscillator 130 which are sequentially arranged from top to bottom, wherein the first low-frequency oscillator 110, the second low-frequency oscillator 120 and the third low-frequency oscillator 130 form a multi-channel low-frequency antenna together. In the actual use process, the respective structures of the first low-frequency oscillator 110, the second low-frequency oscillator 120 and the third low-frequency oscillator 130 are set according to requirements, and may be the same structure or different structures; when the multichannel low-frequency antenna is debugged, any one of the first low-frequency oscillator 110, the second low-frequency oscillator 120 and the third low-frequency oscillator 130 is adjusted, so that the original layout structures of other oscillators can be well prevented from being influenced, the debugging performance of the multichannel low-frequency antenna can be improved, and better electrical performance can be obtained.
The high-frequency antenna element group 200 includes a first high-frequency antenna element group 210 and a second high-frequency antenna element group 220 which are respectively disposed in a positional relationship of upper and lower sides, the first high-frequency antenna element group 210 includes a first high-frequency element 211, the second high-frequency antenna element group 220 includes a second high-frequency element 222 and a third high-frequency element 223 which are respectively disposed in a positional relationship of upper and lower sides, the first high-frequency element 211, the second high-frequency oscillator 222 and the third high-frequency oscillator 223 are provided with a plurality of high-frequency oscillators and are arranged in an array mode, the first low-frequency oscillator 110 is embedded with the first high-frequency oscillator 211, the second low-frequency oscillator 120 is embedded with the first high-frequency oscillator 211, the first low-frequency oscillator 110 and the second low-frequency oscillator 120 are provided with the first high-frequency oscillator 211, the second high-frequency antenna oscillator group 220 is located on the rear side of the first high-frequency antenna oscillator group 210, each first high-frequency oscillator 211 forms a multi-channel high-frequency antenna together, and each second high-frequency oscillator 222 and each third high-frequency oscillator 223 form another multi-channel high-frequency antenna together. In the actual use process, the respective structures of the first high-frequency oscillator 211, the second high-frequency oscillator 222 and the third high-frequency oscillator 223 are set according to the requirements, and may be the same structure or different structures; when the two multi-channel high-frequency antennas are debugged, any one of the first high-frequency oscillator 211, the second high-frequency oscillator 222 and the third high-frequency oscillator 223 is adjusted, so that the original layout structures of other oscillators can be well prevented from being influenced, the debugging performance of the two multi-channel high-frequency antennas can be improved, and the good electrical performance can be obtained.
The utility model discloses in the structure, third low frequency oscillator 130 and each second high frequency oscillator 222 can share the space of a horizontal direction, realize "flower arrangement formula" nestification, like this, are favorable to reducing occuping of space, reduce the structure size of multifrequency antenna array to mutual coupling has been weakened.
To sum up, based on the utility model discloses a structure, on the basis that reduces the structure size, greatly improve the electric property of each array.
Furthermore, based on the utility model discloses a structure, second high frequency antenna shake group 220 is located first high frequency antenna and shakes 210 rear sides, and local one-tenth "insert fancy" nested overall arrangement, has weakened high low frequency cross coupling effectively, and S parameter and radiation parameter have been compromise to each frequency channel oscillator form pluralism simultaneously, keep apart, gain height.
The embodiment of the utility model provides an in, low frequency antenna element can be two and multiplex in order to possess bigger electric index surplus.
The oscillators in different forms in the same frequency band are matched for use, except for different oscillator forms, the height, the boundary and the feed length of the oscillators are possibly different, so that the phase compensation is very critical. For the first low-frequency oscillator 110, the second low-frequency oscillator 120 and the third low-frequency oscillator 130, firstly, the phases of the oscillators in different forms are compensated, and secondly, the phases are adjusted according to the array shaping effect; the forming phase optimization is also carried out on the oscillator amplitude-phase difference caused by different boundaries of the first high-frequency oscillator 211; for the second high-frequency oscillator 222 and the third high-frequency oscillator 223, the phases of the oscillators in different forms are compensated, and then the phases of the oscillators are adjusted according to the nested or non-nested environment and the array shaping effect to obtain the optimal shaping effect.
Referring to fig. 1 to 5, in the embodiment of the present invention, at least two second low frequency oscillators 120 are provided, one first low frequency oscillator 110 is provided between any two second low frequency oscillators 120, and each second low frequency oscillator 120 and each first low frequency oscillator 110 are located on a straight line extending in the up-down direction.
Based on this structural design, at first, increased the number of second low frequency oscillator 120, then can directly promote the gain of low frequency antenna oscillator group, and secondly, first low frequency oscillator 110 sets up with second low frequency oscillator 120 interval, does not influence the easy debugging nature of multifrequency antenna array.
Referring to fig. 1 to 5, in the embodiment of the present invention, the center of the first low frequency oscillator 110 and the middle point of the second low frequency oscillator 120 are disposed in a staggered manner in the vertical direction.
Referring to fig. 1 to 5, in an embodiment of the present invention, the first low frequency oscillator 110 is a square bowl-shaped die-cast oscillator, the second low frequency oscillator 120 is a circular bowl-shaped die-cast oscillator, and the third low frequency oscillator 130 is a cross-shaped PCB oscillator.
The three oscillators are matched for use and phase compensation is carried out, so that the gain index and the isolation performance are improved, particularly the insertion-type nested application of the cross-shaped PCB oscillator fully utilizes the electrical characteristics and the structural characteristics of the cross-shaped PCB oscillator, and a series of problems caused by high-frequency and low-frequency mutual coupling can be solved.
Wherein, the high frequency antenna assembly 200 further comprises a plurality of guiding devices 300; any one of the first high frequency oscillators 211 is provided with a directing device 300 to improve the electrical performance of the first high frequency oscillator 211, including improving isolation and converging beam width.
Further, the second high frequency oscillator 222 located between the first low frequency oscillator 110 and the second low frequency oscillator 120 is provided with a guiding device 300 to improve the electrical performance of the second high frequency oscillator 222, including improving isolation and converging beam width.
Further, any third high frequency oscillator 223 is provided with a guiding device 300 to improve the electrical performance of the third high frequency oscillator 223, including improving isolation and converging beam width.
The above-described directing means 300 is not limited to the square, circular, etc. form.
In addition, through the arrangement of the guiding device 300, the matching performance of the corresponding oscillator is also changed, so that the overall electrical performance of the multi-frequency antenna array is affected.
In the embodiment of the present invention, the working frequency band of the four-channel low-frequency antenna formed by the first low-frequency oscillator 110, the second low-frequency oscillator 120, and the third low-frequency oscillator 130 is 885MHz-960 MHz.
In the embodiment of the present invention, the working frequency band of the four-channel high-frequency antenna formed by the first high-frequency oscillator 211 is 1710MHz-1830 MHz.
In the embodiment of the present invention, the working frequency band of the eight-channel high-frequency antenna formed by the second high-frequency oscillator 222 and the third high-frequency oscillator 223 is 1885MHz-1915MHz, 2010MHz-2025MHz, 2515MHz-2675 MHz.
In the embodiment of the present invention, the multi-frequency antenna array includes a reflection plate 400, and the low-frequency antenna vibration group 100 and the high-frequency antenna vibration group 200 are both fixed on the reflection plate 400. In specific implementation, the boards may be on the same board surface or not.
The multi-frequency antenna array has boundaries which are not limited to rectangular, windowing, wall-shaped, trapezoidal and other forms, and can be adjusted according to indexes such as front-to-back ratio, beam width and the like.
In the description of the reference numerals, only part of the reference numerals are used in fig. 1 to 5.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-frequency antenna array, comprising:
the low-frequency antenna vibration group comprises a first low-frequency vibrator, a second low-frequency vibrator and a third low-frequency vibrator which are sequentially arranged from top to bottom, and the first low-frequency vibrator, the second low-frequency vibrator and the third low-frequency vibrator form a multi-channel low-frequency antenna together;
a high-frequency antenna oscillator group comprising a first high-frequency antenna oscillator group and a second high-frequency antenna oscillator group which are respectively arranged up and down in a position relationship, the first high-frequency antenna oscillator group comprises a first high-frequency oscillator, the second high-frequency antenna oscillator group comprises a second high-frequency oscillator and a third high-frequency oscillator which are respectively arranged up and down in position relation, the first high-frequency vibrator, the second high-frequency vibrator and the third high-frequency vibrator are all provided with a plurality of high-frequency vibrators which are all arranged in an array, the first low-frequency oscillator is embedded with the first high-frequency oscillator, the second low-frequency oscillator is embedded with the first high-frequency oscillator, the first low-frequency oscillator and the second low-frequency oscillator are provided with the first high-frequency oscillator, the second high-frequency antenna oscillator group is located on the rear side of the first high-frequency antenna oscillator group, the first high-frequency oscillators form a multi-channel high-frequency antenna together, and the second high-frequency oscillators and the third high-frequency oscillators form another multi-channel high-frequency antenna together.
2. The multi-frequency antenna array of claim 1, wherein there are at least two second low-frequency elements, one first high-frequency element is disposed between any two second low-frequency elements, and each second low-frequency element and each first low-frequency element are located on a straight line extending in an up-down direction.
3. The multi-frequency antenna array of claim 1, wherein the center of the first low-frequency element and the midpoint of the second low-frequency element are offset in the up-down direction.
4. The multi-frequency antenna array of claim 1, wherein the first low-frequency elements are square bowl-shaped die-cast elements, the second low-frequency elements are round bowl-shaped die-cast elements, and the third low-frequency elements are cross-shaped PCB elements.
5. The multi-frequency antenna array of claim 1, wherein the high frequency antenna array further comprises a plurality of directing means;
the first high-frequency oscillator between the first low-frequency oscillator and the second low-frequency oscillator is provided with the guiding device.
6. The multi-frequency antenna array of claim 5, wherein any of said second rf elements is provided with a said directing means;
and/or any third high-frequency oscillator is provided with the guiding device.
7. The multi-frequency antenna array of claim 1, wherein the first low frequency element, the second low frequency element, and the third low frequency element together form a four-channel low frequency antenna, and the operating frequency band is 885MHz-960 MHz.
8. The multi-frequency antenna array of claim 1, wherein the first high frequency elements form a four-channel high frequency antenna and the operating frequency band is 1710MHz-1830 MHz.
9. The multi-frequency antenna array of claim 1, wherein the second high frequency element and the third high frequency element together form an eight-channel high frequency antenna, and the operating frequency band is 1885MHz-1915MHz, 2010MHz-2025MHz, 2515MHz-2675 MHz.
10. The multi-frequency antenna array of any one of claims 1-9, wherein the multi-frequency antenna array comprises a reflector plate, and wherein the low frequency antenna oscillator set and the high frequency antenna oscillator set are both fixed to the reflector plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303008.XU CN210137016U (en) | 2019-08-09 | 2019-08-09 | Multi-frequency antenna array |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303008.XU CN210137016U (en) | 2019-08-09 | 2019-08-09 | Multi-frequency antenna array |
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| CN210137016U true CN210137016U (en) | 2020-03-10 |
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| CN201921303008.XU Active CN210137016U (en) | 2019-08-09 | 2019-08-09 | Multi-frequency antenna array |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492254A (en) * | 2019-08-09 | 2019-11-22 | 摩比科技（深圳）有限公司 | Multifrequency antenna array |
| WO2023123999A1 (en) * | 2021-12-27 | 2023-07-06 | 普罗斯通信技术（苏州）有限公司 | Radiation array group and narrow beam antenna |
-
2019
- 2019-08-09 CN CN201921303008.XU patent/CN210137016U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492254A (en) * | 2019-08-09 | 2019-11-22 | 摩比科技（深圳）有限公司 | Multifrequency antenna array |
| CN110492254B (en) * | 2019-08-09 | 2024-02-23 | 摩比科技（深圳）有限公司 | Multi-frequency antenna array |
| WO2023123999A1 (en) * | 2021-12-27 | 2023-07-06 | 普罗斯通信技术（苏州）有限公司 | Radiation array group and narrow beam antenna |
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