CN210404053U - Multi-frequency-band elevator shaft antenna - Google Patents
Multi-frequency-band elevator shaft antenna Download PDFInfo
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- CN210404053U CN210404053U CN201921881655.9U CN201921881655U CN210404053U CN 210404053 U CN210404053 U CN 210404053U CN 201921881655 U CN201921881655 U CN 201921881655U CN 210404053 U CN210404053 U CN 210404053U
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Abstract
A multi-band elevator shaft antenna comprises a nylon stud, a reflecting plate, a low-frequency radiation module, a medium-frequency radiation module and a high-frequency radiation module; the high-frequency band radiation module consists of two groups of high-frequency radiation units, the high-frequency radiation units consist of 4 high-frequency antenna oscillators distributed in a square shape and are arranged on the mounting plate, the four sides of the mounting plate are provided with clapboards which enclose the mounting plate into an area, cross-shaped clapboards are also arranged in the mounting plate and are connected with the clapboards on the four sides of the mounting plate to form four areas; the four high-frequency antenna oscillators are respectively arranged in the four areas; the mounting plate is fixedly mounted on the front surface of the reflecting plate through a telescopic nylon stud. The utility model discloses realize the extension of elevartor shaft antenna frequency channel, make the elevartor shaft antenna can satisfy the demand of part 5G communication.
Description
Technical Field
The utility model relates to a mobile communication antenna technical field, more specifically relate to a multifrequency section elevartor shaft antenna.
Background
The existing elevator shaft antenna forms two working frequency ranges by arranging and combining low-frequency oscillators and high-frequency oscillators, wherein most of the working frequency ranges are 806 plus 960MHz and 1710 plus 2700 MHz. The two frequency bands can meet the mobile communication requirements of 2G, 3G and 4G, but cannot meet the communication requirement of 5G.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the defect in the background art, provide a multifrequency section elevartor shaft antenna, solved the problem that does not have 5G work frequency channel in the elevartor shaft antenna, realize the extension of elevartor shaft antenna frequency channel, make the elevartor shaft antenna can satisfy the demand of part 5G communication.
To achieve the purpose, the utility model adopts the following technical proposal:
a multi-band elevator shaft antenna comprising: the device comprises a nylon stud, a reflecting plate, a low-frequency radiation module, a medium-frequency radiation module and a high-frequency radiation module; the high-frequency band radiation module consists of two groups of high-frequency radiation units, the high-frequency radiation units consist of four high-frequency antenna oscillators distributed in a square shape and are arranged on an installation plate, four sides of the installation plate are provided with partition plates, and the partition plates are printed circuit boards covered with copper foils; the installation plate is enclosed into an area by the partition plates, cross-shaped partition plates are further arranged in the installation plate and connected with the partition plates on the four sides of the installation plate to form four areas; the four high-frequency antenna oscillators are respectively arranged in the four areas; the mounting plate is fixedly mounted on the front surface of the reflecting plate through a telescopic nylon stud.
Preferably, the high-frequency radiation module is two groups of high-frequency radiation units located on diagonal positions of the reflecting plate; the low-frequency radiation module is two low-frequency antenna oscillators positioned on the other diagonal position of the reflecting plate and is fixedly connected with the front surface of the reflecting plate through the nylon stud, the medium-frequency radiation module is two medium-frequency antenna oscillators positioned on the diagonal position of the high-frequency radiation module, the medium-frequency oscillators are integrated die-cast oscillators, and the medium-frequency antenna oscillators are fixed on the front surface of the reflecting plate and are nested between the two low-frequency antenna oscillators; and a connecting line between the two intermediate-frequency antenna oscillators and a connecting line between the two low-frequency antenna oscillators are in an X shape.
Preferably, a combiner and a one-to-two power divider are further mounted on the back surface of the reflecting plate.
Preferably, baffles are arranged on four sides of the reflecting plate, through holes are formed in the baffles, and the radio frequency connector is inserted into the baffles through the through holes and is fixed with the baffles.
Preferably, the two low-frequency antenna elements in the low-frequency radiation module are connected with one end of the one-to-two power divider through a line; the other end of the one-to-two power divider is connected with one end of the combiner, and the other end of the combiner is connected with the radio frequency connector.
Preferably, two intermediate frequency antenna elements in the intermediate frequency radiation module are connected with one end of the one-to-two power divider through a line; the other end of the one-to-two power divider is connected with one end of the combiner, and the other end of the combiner is connected with the radio frequency connector.
Preferably, a group of high-frequency radiation units is connected with the combiner through the one-to-two power divider, and the combiner is connected with the radio frequency connector; and the other group of high-frequency radiation units are directly connected with the radio frequency connector.
Preferably, the working frequency range of the low-frequency radiation module is 698-.
Preferably, the high-frequency antenna element is composed of a printed circuit board.
Preferably, the separator is a printed wiring board coated with copper foil.
Has the advantages that: and a high-frequency radiation module with the working frequency of 3300-3800MHz is added on the reflecting plate to expand the frequency of the elevator shaft antenna, so that the elevator shaft antenna can meet the requirement of 5G communication.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
FIG. 1 is a front perspective view of a multi-band elevator shaft antenna;
FIG. 2 is a rear view of a multi-band elevator shaft antenna;
FIG. 3 is a perspective view of a high frequency radiating element of a multi-band elevator shaft antenna;
wherein: the antenna comprises a reflecting plate 1, a baffle 2, a low-frequency radiation module 3, a low-frequency radiation unit 31, a nylon column 32, a medium-frequency radiation module 4, a medium-frequency radiation unit 41, a high-frequency radiation module 5, a high-frequency radiation unit 51, a mounting plate 510, a high-frequency antenna oscillator 511, a partition plate 512, a partition plate 513, a telescopic nylon stud 52, a radio-frequency connector 6, a combiner 7 and a one-to-two power divider 8.
Detailed Description
The technical solution of the present invention will be further described with reference to fig. 1 to 3 and by means of specific embodiments.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in FIGS. 1 to 3: a multi-band elevator shaft antenna comprising: the device comprises a combiner 7, a one-to-two power divider 8, a radio frequency joint 6, a nylon stud, a reflecting plate 1, a low-frequency radiation module 3, a medium-frequency radiation module 4 and a high-frequency radiation module 5; the high-frequency band radiation module 5 is composed of two groups of high-frequency radiation units 51, the high-frequency radiation units 51 are composed of four high-frequency antenna oscillators 511 distributed in a square shape and are arranged on a mounting plate 510, and partition plates 512 are arranged on four sides of the mounting plate 510; the mounting plate 510 is enclosed into an area by the partition plates 512, cross-shaped partition plates 513 are further arranged in the mounting plate 510, and the cross-shaped partition plates 513 are connected with the partition plates 512 on the four sides of the mounting plate 510 to form four areas; the four high-frequency antenna elements 511 are respectively installed in the four regions; the mounting plate 510 is fixedly mounted on the front surface of the reflection plate 1 through a telescopic nylon stud 52.
In order to enhance the effect of the high-frequency radiating element 51, 4 high-frequency antenna elements 511 are arranged in a square shape having 2 elements on the left and right sides. The radiation effect of the high-frequency radiation unit 51 is improved by increasing the number of high-frequency antenna elements 511 in the high-frequency radiation unit 51. The four sides of the mounting plate 510 are provided with the partition plates 512, and the high-frequency antenna element 511 can converge the beams radiated to the periphery to the middle as much as possible through the partition plates 512 during radiation, so that the radiation characteristic of the high-frequency antenna element 511 is optimized. Meanwhile, in order to reduce the interference between the high-frequency antenna elements 511, the partition plates 513 are added between the 4 high-frequency antenna elements, and because the arrangement of the 4 high-frequency antenna elements 511 is arranged according to a square distribution, the partition plates between the high-frequency antenna elements 511 are arranged on the mounting plate 510 in a cross shape and connected with the four-side mounting partition plates 512 on the mounting plate 510 to form a space structure in a shape of a Chinese character 'tian'; the high-frequency antenna element 511 can improve the radiation characteristic and the electrical performance of the high-frequency radiation module 5 better under the surrounding of the partition 513. The user can optimize the radiation performance of the high-frequency radiation unit 51 by adjusting the height of the nylon column between the high-frequency antenna element 511 and the mounting plate 510 according to the specification of the elevator shaft.
Preferably, the high-band radiation module 5 is two groups of high-frequency radiation units 51 located at diagonal positions of the reflection plate 1; the low-frequency radiation module 3 is two low-frequency antenna elements 31 positioned on the other diagonal position of the reflecting plate and is fixedly connected with the front surface of the reflecting plate 1 through the nylon stud 32, and the intermediate-frequency radiation module 4 is two intermediate-frequency antenna elements 41 positioned on the diagonal position of the high-frequency radiation module 3 and is nested between the two low-frequency antenna elements 31; the connecting line between the two intermediate frequency antenna elements 41 and the connecting line between the two low frequency antenna elements 31 are in an X shape.
In order to better superpose the reflected electromagnetic waves between the antennas and increase the communication effect, the height from the radiation unit to the reflection plate needs to be controlled according to the frequency of the radiation unit, and generally the position of 1/4 wavelength of the height from the reflection plate, which is about the central frequency, is the best, in this embodiment, the frequency of the low-frequency antenna element 31 is the lowest, but the wavelength is the longest in the radiation unit in this embodiment, so the nylon column 32 between the low-frequency antenna element 31 and the reflection plate 1 is the highest, and the height of the nylon column connected with the other two groups of radiation modules can be obtained similarly. In this embodiment, the high-frequency radiating unit 51 with the lowest horizontal position is placed diagonally at the corner of the reflector 1, the middle-frequency antenna element 41 with the next horizontal height is also placed diagonally on the diagonal of the high-frequency radiating unit 51, and the middle-frequency antenna element 41 and the diagonally-placed low-frequency antenna element 31 form an "X" type space structure, so that the placement can be effectively shifted in the vertical space, the volume of the whole elevator shaft antenna can be increased, and the space can be saved.
Preferably, a combiner 7 and a one-to-two power divider 8 are further mounted on the back surface of the reflection plate 1.
Preferably, baffles 2 are arranged on four sides of the reflecting plate 1, through holes are formed in the baffles 2, and the radio frequency connector 6 is inserted into the baffles 2 through the through holes and is fixed with the baffles 2.
For the effective convergence beam width in space the four sides of reflecting plate 1 are provided with baffle 2 of a take the altitude, baffle 2 with reflecting plate 1 is connected fixedly, baffle 2 can make the whole signal of sending or accepting of elevartor shaft antenna all around draw close to the middle part, and convergence beam width optimizes the holistic radiation characteristic of elevartor shaft antenna.
Preferably, the two low-frequency antenna elements 31 in the low-frequency radiation module 3 are connected to the one-to-two power divider 8 through a line; the other end of the one-to-two power divider 8 is connected with one end of the combiner 7, and the other end of the combiner 7 is connected with the radio frequency connector 6.
Preferably, two intermediate frequency antenna elements 41 in the intermediate frequency radiation module 4 are connected to one end of the one-to-two power divider 8 through a line; the other end of the one-to-two power divider 8 is connected with one end of the combiner 7, and the other end of the combiner 7 is connected with the radio frequency connector 6.
Preferably, a group of high-frequency radiation units 51 is connected to the combiner 7 through the one-to-two power divider 8, and the combiner 7 is connected to the radio frequency connector 6; the other group of the high-frequency radiating units 51 is directly connected with the radio frequency connector 6.
In order to realize the efficient transmission and transmission of signals in different frequency bands, the signals are divided into 2 groups, one group is an integrated communication signal, and the other group is a high-frequency signal. The integrated communication signal is obtained by dividing a low-frequency signal into an equal-divided signal by the low-frequency radiation module 3 through the one-to-two power divider, dividing an intermediate-frequency signal into an equal-divided signal by all the intermediate-frequency radiation modules 4 through the one-to-two power divider, and dividing a high-frequency signal into an equal-divided signal by the high-frequency radiation module 5 far away from the radio-frequency connector 6 through the one-to-two power divider. Then, the signals with different frequency bands are integrated through the combiner 7, and the integrated signals in the combiner 7 are transmitted through the radio frequency connector 6. The high-frequency communication signal is directly connected with the radio frequency connector 6 by a high-frequency radiation module 5 close to one end of the radio frequency connector 6. And transmitting the signal of the high frequency band.
Preferably, the working frequency range of the low-frequency radiation module 3 is 698-.
In this embodiment, the low-frequency radiation module 3 with a working frequency band of 698 plus 960MHz and the intermediate-frequency radiation module 4 with a working frequency band of 1710 plus 2700MHz on the reflection plate 1 can meet the communication requirement of 2G/3G/4G, and in order to meet the requirement of 5G communication, the high-frequency radiation module 5 with a frequency band of 3300 plus 3800MHz is added to expand the frequency of the elevator shaft antenna. The practicality of elevartor shaft antenna has been improved.
Preferably, the high-frequency antenna element 511 is composed of a printed circuit board. The high-frequency antenna element 511 has a small area, is difficult to assemble and wire, uses a printed circuit board with low error rate of wire arrangement and assembly when selecting materials, and has light weight, compact structure and good passive intermodulation characteristic.
Preferably, the separator 512 is a printed circuit board coated with copper foil.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A multiband elevator shaft antenna, its characterized in that: the device comprises a nylon stud, a reflecting plate, a low-frequency radiation module, a medium-frequency radiation module and a high-frequency radiation module; the high-frequency band radiation module consists of two groups of high-frequency radiation units, the high-frequency radiation units consist of four high-frequency antenna oscillators distributed in a square shape and are arranged on an installation plate, four sides of the installation plate are provided with partition plates, and the partition plates are printed circuit boards covered with copper foils; the installation plate is enclosed into an area by the partition plates, cross-shaped partition plates are further arranged in the installation plate and connected with the partition plates on the four sides of the installation plate to form four areas; the four high-frequency antenna oscillators are respectively arranged in the four areas; the mounting plate is fixedly mounted on the front surface of the reflecting plate through a telescopic nylon stud.
2. Multiband elevator shaft antenna according to claim 1, characterized in that: the high-frequency band radiation module is two groups of high-frequency radiation units which are positioned on the diagonal positions of the reflecting plate; the low-frequency radiation module is two low-frequency antenna oscillators positioned on the other diagonal position of the reflecting plate and is fixedly connected with the front surface of the reflecting plate through the nylon stud, the medium-frequency radiation module is two medium-frequency antenna oscillators positioned on the diagonal position of the high-frequency radiation module, the medium-frequency oscillators are integrated die-cast oscillators, and the medium-frequency antenna oscillators are fixed on the front surface of the reflecting plate and are nested between the two low-frequency antenna oscillators; and a connecting line between the two intermediate-frequency antenna oscillators and a connecting line between the two low-frequency antenna oscillators are in an X shape.
3. Multiband elevator shaft antenna according to claim 1, characterized in that: the back of the reflecting plate is also provided with a combiner and a one-to-two power divider.
4. Multiband elevator shaft antenna according to claim 3, characterized in that: the radio frequency connector is characterized in that baffles are arranged on four sides of the reflecting plate, through holes are formed in the baffles, the through holes are used for installing radio frequency connectors, and the radio frequency connectors are inserted into the baffles through the through holes and are fixed with the baffles.
5. The multiple band elevator shaft antenna of claim 4, wherein: two low-frequency antenna oscillators in the low-frequency radiation module are connected with one end of the one-to-two power divider through a line; the other end of the one-to-two power divider is connected with one end of the combiner, and the other end of the combiner is connected with the radio frequency connector.
6. The multiple band elevator shaft antenna of claim 4, wherein: two intermediate frequency antenna oscillators in the intermediate frequency radiation module are connected with one end of the one-to-two power divider through a circuit; the other end of the one-to-two power divider is connected with one end of the combiner, and the other end of the combiner is connected with the radio frequency connector.
7. The multiple band elevator shaft antenna of claim 4, wherein: a group of high-frequency radiation units are connected with the combiner through the one-to-two power divider, and the combiner is connected with the radio frequency joint; and the other group of high-frequency radiation units are directly connected with the radio frequency connector.
8. The multiple band elevator shaft antenna of claim 1, wherein: the working frequency range of the low-frequency radiation module is 698-.
9. Multiband elevator shaft antenna according to claim 1, characterized in that: the high-frequency antenna oscillator is composed of a printed circuit board.
10. Multiband elevator shaft antenna according to claim 1, characterized in that: the partition board is a printed circuit board covered with copper foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921881655.9U CN210404053U (en) | 2019-11-04 | 2019-11-04 | Multi-frequency-band elevator shaft antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921881655.9U CN210404053U (en) | 2019-11-04 | 2019-11-04 | Multi-frequency-band elevator shaft antenna |
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| Publication Number | Publication Date |
|---|---|
| CN210404053U true CN210404053U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921881655.9U Active CN210404053U (en) | 2019-11-04 | 2019-11-04 | Multi-frequency-band elevator shaft antenna |
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| CN (1) | CN210404053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571916A (en) * | 2021-07-26 | 2021-10-29 | 珠海中科慧智科技有限公司 | Multi-band high-isolation coplanar antenna |
-
2019
- 2019-11-04 CN CN201921881655.9U patent/CN210404053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571916A (en) * | 2021-07-26 | 2021-10-29 | 珠海中科慧智科技有限公司 | Multi-band high-isolation coplanar antenna |
| CN113571916B (en) * | 2021-07-26 | 2023-02-24 | 珠海中科慧智科技有限公司 | Multi-band high-isolation coplanar antenna |
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