CN211126075U - Novel multi-band array antenna - Google Patents
Novel multi-band array antenna Download PDFInfo
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- CN211126075U CN211126075U CN201922385642.9U CN201922385642U CN211126075U CN 211126075 U CN211126075 U CN 211126075U CN 201922385642 U CN201922385642 U CN 201922385642U CN 211126075 U CN211126075 U CN 211126075U
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Abstract
The utility model discloses a novel multi-band array antenna, which comprises a reflecting plate; three different-frequency oscillators arranged on the reflecting plate are respectively a first antenna oscillator, a second antenna oscillator and a third antenna oscillator; a first metal baffle is arranged between the first antenna oscillator and the second antenna oscillator, and a second metal baffle is arranged between the second antenna oscillator and the third antenna oscillator; by arranging a plurality of different-frequency oscillators on the reflecting plate at the same time, the novel multi-frequency-band array antenna achieves the compatibility and coexistence of the plurality of different-frequency oscillators; the arrangement mode of the pilot frequency vibrators is set according to the wavelength and the frequency of the pilot frequency vibrators, so that the coupling interference among the pilot frequency vibrators can be reduced as much as possible; and the different-frequency oscillator adopts the metal baffle height that corresponds to keep apart, can reduce the change of boundary to oscillator own circuit characteristic and radiation characteristic, restores antenna element self directional diagram as far as possible, makes this novel multifrequency section array antenna satisfy multichannel antenna element and the good requirement of directional diagram.
Description
Technical Field
The utility model relates to an antenna especially relates to a novel multifrequency section array antenna.
Background
Radio communication is a communication method in which signals such as voice, text, data, and images to be transmitted are modulated on radio waves and transmitted to the other party through the space and the ground, and information is transmitted in the space by using radio electromagnetic waves.
The relation between the absolute value output by the antenna array and the incoming wave direction becomes the directional diagram of the antenna; the antenna pattern is an important graph for measuring the performance of the antenna, and various parameters of the antenna can be observed from the antenna pattern.
In order to compare the pattern characteristics of various antennas, some characteristic parameters need to be specified. The method mainly comprises the following steps: main lobe width, side lobe level, front-to-back ratio, directional coefficient, etc.
For the reason of being compatible with a plurality of channels, a plurality of antenna elements with different frequency bands are generally arranged in one antenna, good isolation is needed among the antenna elements, and different-frequency antennas are often mutually coupled to deform directional diagrams, so that the impedance of the antenna per se is deteriorated, and the like, and the use requirements cannot be met.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel multifrequency section array antenna reduces mutual coupling influence between the antenna element, restores the directional diagram of antenna element self.
The technical scheme of the utility model as follows: a novel multi-band array antenna comprises a reflecting plate; three different-frequency oscillators arranged on the reflecting plate are respectively a first antenna oscillator, a second antenna oscillator and a third antenna oscillator; a first metal baffle is arranged between the first antenna oscillator and the second antenna oscillator, and a second metal baffle is arranged between the second antenna oscillator and the third antenna oscillator.
The novel multi-band array antenna is characterized in that the first antenna element is an antenna element of a GSM frequency band, the second antenna element is an antenna element of an L TE frequency band, and the third antenna element is an antenna element of a 5G frequency band.
The novel multi-band array antenna is characterized in that the height of the first metal baffle is equal to that of the antenna element with the L TE frequency band, and the height of the second metal baffle is equal to that of the antenna element with the 5G frequency band.
The novel multi-band array antenna is characterized in that the antenna elements of the GSM frequency band, the L TE frequency band and the 5G frequency band are sequentially arranged on the reflecting plate from top to bottom.
Novel multifrequency section array antenna, it is in, reflecting plate from the top down has set gradually first region, second area and third region, the area in first region is greater than the area in second region, and the area in second region is greater than the area in third region, and the antenna element of GSM frequency channel sets up in first region, and the antenna element of L TE frequency channel sets up in the second region, and the antenna element of 5G frequency channel sets up in the third region.
The novel multi-band array antenna is characterized in that the reflecting plate is 360mm by 240mm in size.
The novel multi-band array antenna is characterized in that the distance between the antenna element of the GSM frequency band and the antenna element of the L TE frequency band is 100-150 mm.
The novel multi-band array antenna is characterized in that the distance between the antenna element of the GSM frequency band and the antenna element of the L TE frequency band is 140 mm.
The novel multi-band array antenna is characterized in that the distance between the antenna element with the L TE frequency band and the antenna element with the 5G frequency band is 50-100 mm.
The novel multi-band array antenna is characterized in that the distance between the antenna element with the L TE frequency band and the antenna element with the 5G frequency band is 70 mm.
The utility model has the advantages that: the utility model provides a novel multi-band array antenna, which comprises a reflecting plate; three different-frequency oscillators arranged on the reflecting plate are respectively a first antenna oscillator, a second antenna oscillator and a third antenna oscillator; a first metal baffle is arranged between the first antenna oscillator and the second antenna oscillator, and a second metal baffle is arranged between the second antenna oscillator and the third antenna oscillator; by arranging a plurality of different-frequency oscillators on the reflecting plate at the same time, the novel multi-frequency-band array antenna achieves the compatibility and coexistence of the plurality of different-frequency oscillators; the arrangement mode of the pilot frequency vibrators is set according to the wavelength and the frequency of the pilot frequency vibrators, so that the coupling interference among the pilot frequency vibrators can be reduced as much as possible; and the different-frequency oscillator adopts the metal baffle height that corresponds to keep apart, can reduce the change of boundary to oscillator own circuit characteristic and radiation characteristic, restores antenna element self directional diagram as far as possible, makes this novel multifrequency section array antenna satisfy multichannel antenna element and the good requirement of directional diagram.
Drawings
Fig. 1 is a schematic structural diagram of the medium-sized multiband array antenna according to the present invention.
Fig. 2 is the directional diagram of the antenna element radiation of the middle 5G frequency band.
Fig. 3 is a VSWR parameter diagram of the antenna element of the middle 5G frequency band according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
As shown in fig. 1, a novel multiband array antenna comprises a reflecting plate 1; three different-frequency oscillators arranged on the reflecting plate 1 are respectively a first antenna oscillator, a second antenna oscillator and a third antenna oscillator; a first metal baffle 5 is arranged between the first antenna oscillator and the second antenna oscillator, and a second metal baffle 6 is arranged between the second antenna oscillator and the third antenna oscillator.
In some embodiments, the first antenna element is an antenna element 2 in the GSM frequency band (frequency range) is the frequency of a cellular radio communication system specified by the international telecommunication union for GSM mobile phone operation), the second antenna element is an antenna element 3 in the L TE frequency band, and the third antenna element is an antenna element 4 in the 5G frequency band.
In some embodiments, the height of the first metal baffle 5 is equal to the height of the L TE band antenna element 3, and the height of the second metal baffle 6 is equal to the height of the 5G band antenna element 4.
According to the technical scheme, the first metal baffle 5 is arranged between the antenna oscillator 2 of the GSM frequency band and the antenna oscillator 3 of the L TE frequency band, the second metal baffle 6 is arranged between the antenna oscillator 3 of the L TE frequency band and the antenna oscillator 4 of the 5G frequency band, the first metal baffle 5 can be used for isolating mutual interference between the antenna oscillator 2 of the GSM frequency band, the antenna oscillator 3 of the L TE frequency band and the antenna oscillator 4 of the 5G frequency band, the height of the first metal baffle 5 is equal to that of the antenna oscillator 3 of the L TE frequency band, the height of the second metal baffle 6 is equal to that of the antenna oscillator 4 of the 5G frequency band, coupling of the oscillator of different frequencies to the antenna oscillator can be effectively prevented, and the directional diagram is deformed.
In some embodiments, the antenna elements 2, L TE band antenna elements 3 and 5G band antenna elements 4 are arranged on the reflector plate 1 from top to bottom in sequence, because the volume of the antenna element 2 in the GSM band is the largest of the three different frequency elements, the antenna element 4 in the 5G band with shorter wavelength is easily interfered by the antenna element 2 in the GSM band antenna element, and the 5G band antenna element 4 is arranged at the lowest part of the reflector plate 1, so that the antenna element 4 in the 5G band is not influenced by the antenna element 2 in the GSM band antenna element.
In some embodiments, the reflector 1 is provided with a first region 11, a second region 12 and a third region 13 from top to bottom in sequence, the area of the first region 11 is larger than that of the second region 12, the area of the second region 12 is larger than that of the third region 13, the antenna element 2 in the GSM frequency band is arranged in the first region 11, the antenna element 3 in the L TE frequency band is arranged in the second region 12, and the antenna element 4 in the 5G frequency band is arranged in the third region 13. because the frequency of the antenna element 2 in the GSM frequency band is lower and requires a larger mirror image of a reflection surface, the antenna element 2 in the GSM frequency band is arranged in the first region 11 with the largest area, thereby providing a gain and improving a front-to-back ratio, and because the wavelength and the frequency of the antenna element 4 in the 5G frequency band are short and the highest and do not require a large reflection surface, the antenna element 4 in the 5G frequency band is arranged in the third region 13 with the smallest area.
In some embodiments, the reflective plate 1 has a size of 360mm by 240 mm.
In some embodiments, the distance between the antenna element 2 in the GSM band and the antenna element 3 in the L TE band is 100mm to 150 mm.
Preferably, the distance between the antenna element 2 in the GSM frequency band and the antenna element 3 in the L TE frequency band is 140 mm.
In some embodiments, the distance between the antenna element 3 in the L TE band and the antenna element 4 in the 5G band is 50 mm to 100 mm.
Preferably, the distance between the antenna element 3 in the L TE frequency band and the antenna element 4 in the 5G frequency band is 70 mm.
As shown in fig. 2, the directional diagram of the novel multiband array antenna is the directional diagram radiated by the antenna element 4 with a single 5G frequency band, and it can be seen that the directional diagram has a symmetrical shape and is not deformed, wherein the 3dB wave beam is 87 degrees, and belongs to the normal 3dB wave beam width of a single element.
As shown in fig. 3, the VSWR (voltage standing Wave Ratio) parameter of the antenna element 4 of the 5G band in the multiband array antenna of the present invention is shown, and it can be seen that the standing Wave of the antenna element 4 of the single 5G band is 1.2 or less, which is good, and it is explained that the circuit performance of the element is not deteriorated by the boundary.
According to the technical scheme, the reflecting plate 1 is simultaneously provided with a plurality of different-frequency oscillators, so that the novel multi-band array antenna is compatible and coexisting with the plurality of different-frequency oscillators; the arrangement mode of the pilot frequency vibrators is set according to the wavelength and the frequency of the pilot frequency vibrators, so that the coupling interference among the pilot frequency vibrators can be reduced as much as possible; and the different-frequency oscillator adopts the metal baffle height that corresponds to keep apart, can reduce the change of boundary to oscillator own circuit characteristic and radiation characteristic, restores antenna element self directional diagram as far as possible, makes this novel multifrequency section array antenna satisfy multichannel antenna element and the good requirement of directional diagram.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A novel multi-band array antenna is characterized by comprising a reflecting plate; three different-frequency oscillators arranged on the reflecting plate are respectively a first antenna oscillator, a second antenna oscillator and a third antenna oscillator; a first metal baffle is arranged between the first antenna oscillator and the second antenna oscillator, and a second metal baffle is arranged between the second antenna oscillator and the third antenna oscillator.
2. The novel multiband array antenna of claim 1, wherein the first antenna element is a GSM band antenna element, the second antenna element is an L TE band antenna element, and the third antenna element is a 5G band antenna element.
3. The novel multiband array antenna of claim 2, wherein the height of the first metal baffle is equal to the height of the L TE band antenna element, and the height of the second metal baffle is equal to the height of the 5G band antenna element.
4. The novel multiband array antenna of any one of claims 2 or 3, wherein the GSM band antenna elements, the L TE band antenna elements and the 5G band antenna elements are arranged on the reflector plate in sequence from top to bottom.
5. The novel multiband array antenna of claim 4, wherein the reflection plate is provided with a first region, a second region and a third region in sequence from top to bottom, the area of the first region is larger than that of the second region, the area of the second region is larger than that of the third region, the antenna elements of the GSM band are provided in the first region, the antenna elements of the L TE band are provided in the second region, and the antenna elements of the 5G band are provided in the third region.
6. The novel multiband array antenna of claim 1, wherein the reflector plate has a size of 360mm by 240 mm.
7. The novel multiband array antenna of claim 2, wherein the distance between the GSM band antenna element and the L TE band antenna element is 100mm-150 mm.
8. The novel multiband array antenna of claim 7, wherein the distance between the GSM band antenna element and the L TE band antenna element is 140 mm.
9. The novel multiband array antenna of claim 2, wherein the distance between the L TE band antenna element and the 5G band antenna element is 50 mm-100 mm.
10. The novel multiband array antenna of claim 9, wherein the distance between the L TE band antenna element and the 5G band antenna element is 70 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385642.9U CN211126075U (en) | 2019-12-26 | 2019-12-26 | Novel multi-band array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385642.9U CN211126075U (en) | 2019-12-26 | 2019-12-26 | Novel multi-band array antenna |
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| Publication Number | Publication Date |
|---|---|
| CN211126075U true CN211126075U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922385642.9U Active CN211126075U (en) | 2019-12-26 | 2019-12-26 | Novel multi-band array antenna |
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| CN (1) | CN211126075U (en) |
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