A dual-band broadband LTE / 5G dual-polarization directional antenna unit

By setting low-frequency dual-polarized bowl-shaped oscillators and high-frequency dual-polarized plum blossom-shaped oscillators on the metal base plate, and using metal columns and feed cables to form a DC loop, the problem of difficulty in designing dual-band broadband LTE/5G dual-polarized directional antennas that support multi-band is solved, and the effect of simple structure, low cost and multi-band support is achieved.

CN222720647UActive Publication Date: 2025-04-04DIPOLE COMM LTD
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Patent Information

Application Number
CN202421614342.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-04
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

It is difficult to design a dual-band broadband LTE/5G dual-polarized directional antenna that can support multiple frequency bands (such as 698MHz-960MHz, 1710-2690MHz, 3300MHz-3800MHz), and it requires a simple structure and low cost.

Method used

The metal base plate is designed, with low-frequency double-polarized bowl-shaped vibrators on one side and a circuit combiner on the other side. A metal column is set in the cavity of the low-frequency oscillator. The upper end of the metal column is connected to the high-frequency double-polarized plum blossom-shaped vibrator unit and connected to the metal base plate through a feeding cable. A parasitic radiation guide is set on the high-frequency oscillator to adjust the radiation angle.

Benefits of technology

A dual-band broadband LTE/5G dual-polarized directional antenna with simple structure and low cost is realized, which can support communication in multiple frequency bands at the same time, and the parasitic radiation guide on the high-frequency oscillator can adjust the radiation angle and improve radiation efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222720647U_ABST
Patent Text Reader

Abstract

The utility model discloses a dual-band broadband LTE / 5G dual-polarization directional antenna unit, comprising a metal base plate, a low-frequency dual-polarization bowl-shaped vibrator is arranged on one side of the metal base plate, a combiner is arranged on the other side of the metal base plate, a metal column is arranged in the inner cavity of the low-frequency dual-polarization bowl-shaped vibrator, a high-frequency dual-polarization plum blossom-shaped vibrator unit is arranged on the end of the metal column away from the metal base plate, a parasitic radiation director is arranged on the high-frequency dual-polarization plum blossom-shaped vibrator unit through a support rod, and the high-frequency dual-polarization plum blossom-shaped vibrator unit is connected to the metal base plate through a feeding cable. Its beneficial effects are: simple structure and low cost.
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Description

Technical Field

[0001] The utility model relates to a dual-frequency broadband LTE / 5G dual-polarization directional antenna unit. Background Art

[0002] With the development of mobile communication technology, modern communication systems have put forward higher and higher requirements on various indicators of dual-polarized antennas, especially gain, bandwidth characteristics, processing technology, etc. Ultra-wideband antennas are the development trend of broadband wireless communication systems. Because of this, the consistency of electrical performance of miniaturized, broadband, and dual-polarized antennas has attracted much attention from operators and equipment manufacturers in recent years. In commonly used network communication systems, as the capacity of mobile communication systems continues to increase, antennas continue to need to expand spectrum to meet system requirements. Therefore, dual-band broadband LTE / 5G dual-polarized directional antennas that can simultaneously support 2G, 3G, 4G, and 5G have become an urgent need for operators. The antennas currently required by the three major domestic operators must simultaneously support 698MHz-960MHz, 1710-2690MHz, and 3300MHz-3800MHz, so a dual-band broadband LTE / 5G dual-polarized directional antenna will also become a trend of future development. Utility Model Content

[0003] The purpose of the utility model is to provide a dual-band broadband LTE / 5G dual-polarization directional antenna unit with simple structure and low cost.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A dual-band broadband LTE / 5G dual-polarization directional antenna unit comprises a metal base plate, characterized in that a low-frequency dual-polarization bowl-shaped vibrator is arranged on one side of the metal base plate, a combiner is arranged on the other side of the metal base plate, a metal column is arranged in the inner cavity of the low-frequency dual-polarization bowl-shaped vibrator, a high-frequency dual-polarization plum blossom-shaped vibrator unit is arranged on the end of the metal column away from the metal base plate, a parasitic radiation director is arranged on the high-frequency dual-polarization plum blossom-shaped vibrator unit through a supporting rod, and the high-frequency dual-polarization plum blossom-shaped vibrator unit is connected to the metal base plate through a feeding cable.

[0006] Preferably, in the above-mentioned dual-band broadband LTE / 5G dual-polarization directional antenna unit, the frequency of the low-frequency dual-polarization bowl-shaped oscillator is 698-960 MHz.

[0007] Preferably, in the above-mentioned dual-band broadband LTE / 5G dual-polarization directional antenna unit, the frequency of the high-frequency dual-polarization plum blossom-shaped vibrator unit is 1710-3800 MHz.

[0008] Preferably, in the above-mentioned dual-band broadband LTE / 5G dual-polarization directional antenna unit, the support rod is made of nylon material.

[0009] Preferably, in the above-mentioned dual-band broadband LTE / 5G dual-polarization directional antenna unit, the metal base plate is arranged in parallel with the high-frequency dual-polarization plum blossom-shaped vibrator unit.

[0010] Preferably, in the above-mentioned dual-band broadband LTE / 5G dual-polarization directional antenna unit, the high-frequency dual-polarization plum blossom-shaped vibrator is arranged in parallel with the parasitic radiation director.

[0011] The technical effects of the utility model are mainly reflected in:

[0012] (1) The high-frequency dual-polarization plum blossom-shaped oscillator unit is connected to the metal base plate through a metal column. The metal column acts as a balun in the radiation unit. The high-frequency dual-polarization plum blossom-shaped oscillator unit, the metal column, and the metal base plate form a DC circuit through a feeder cable. This design has a simple structure and low cost.

[0013] (2) The low-frequency dual-polarization bowl-shaped oscillator and the high-frequency dual-polarization plum blossom-shaped oscillator unit are connected to a combiner through cables to form a dual-frequency broadband dual-polarization directional antenna unit;

[0014] (3) The parasitic radiation director is arranged on the high-frequency dual-polarization plum blossom-shaped oscillator unit to enhance the radiation and adjust the radiation angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure of the parasitic radiation director after disassembly;

[0017] Figure 3 for Figure 1 Left view of;

[0018] Figure 4 for Figure 1 Rear view of the mid metal base plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the following is combined with the drawings and embodiments. The following is combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figure 1 , 2 As shown in , 3, and 4, a dual-band broadband LTE / 5G dual-polarization directional antenna unit includes a metal base plate 1, and a low-frequency dual-polarization bowl-shaped vibrator 2 with a frequency of 698-960MHz is fixed to one side of the metal base plate 1 by screws. The low-frequency dual-polarization bowl-shaped vibrator 2 is made of metal aluminum and is formed by mold casting, and the structure is solid and reliable. A combiner 11 is arranged on the other side of the metal base plate 1, and two metal columns 3 are arranged in the inner cavity of the low-frequency dual-polarization bowl-shaped vibrator 2. The end of the metal column 3 is provided with a thread, and the thread on the metal column 3 is matched and connected with the internal thread hole on the metal base plate 1. The end of the metal column 3 away from the metal base plate is connected to a high-frequency dual-polarization plum blossom-shaped vibrator unit 5 with a frequency of 1710-3800MHz by screws.

[0021] The high-frequency dual-polarization plum blossom-shaped oscillator unit 5 in the utility model is provided with a parasitic radiation director 8 through a nylon support rod 7. There are two support rods 7 in the utility model, and the support rods 7 and the parasitic radiation director 8 are connected by nylon screws. The parasitic radiation director 8 is made of aluminum. The high-frequency dual-polarization plum blossom-shaped oscillator unit 5 is connected to the metal bottom plate 1 through a feeding cable 9. The high-frequency dual-polarization plum blossom-shaped oscillator unit in the utility model is arranged in parallel with the metal bottom plate 1 and the parasitic radiation director 8.

[0022] The technical effects of the utility model are mainly reflected in:

[0023] (1) The high-frequency dual-polarization plum blossom-shaped oscillator unit 5 is connected to the metal base plate 1 through the metal column 3. The metal column 3 acts as a balun in the radiation unit. The high-frequency dual-polarization plum blossom-shaped oscillator unit 5, the metal column 3, and the metal base plate 1 form a DC circuit through a feeder cable. This design structure is simple and low in cost.

[0024] (2) The low-frequency dual-polarization bowl-shaped oscillator 2 and the high-frequency dual-polarization plum blossom-shaped oscillator 5 are connected to the combiner 11 through cables to form a dual-frequency broadband dual-polarization directional antenna unit;

[0025] (3) The parasitic radiation director 8 is provided on the high-frequency dual-polarization plum blossom-shaped oscillator unit 5 to enhance the radiation and adjust the radiation angle.

[0026] It should be noted that the standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the instructions and drawings, and the specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the utility model author will not elaborate here.

[0027] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A dual-band broadband LTE / 5G dual-polarization directional antenna unit, comprising a metal base plate, characterized in that: A low-frequency dual-polarization bowl-shaped vibrator is arranged on one side of the metal base plate, and a combiner is arranged on the other side of the metal base plate. A metal column is arranged in the inner cavity of the low-frequency dual-polarization bowl-shaped vibrator, and a high-frequency dual-polarization plum blossom-shaped vibrator unit is arranged on the end of the metal column away from the metal base plate. A parasitic radiation director is arranged on the high-frequency dual-polarization plum blossom-shaped vibrator unit through a supporting rod, and the high-frequency dual-polarization plum blossom-shaped vibrator unit is connected to the metal base plate through a feeding cable.

2. The dual-band broadband LTE / 5G dual-polarization directional antenna unit according to claim 1, characterized in that: The frequency of the low-frequency dual-polarization bowl-shaped oscillator is 698-960 MHz.

3. The dual-band broadband LTE / 5G dual-polarization directional antenna unit according to claim 1 or 2, characterized in that: The frequency of the high-frequency dual-polarization plum blossom-shaped vibrator unit is 1710-3800 MHz.

4. The dual-band broadband LTE / 5G dual-polarization directional antenna unit according to claim 1 or 2, characterized in that: The support rod is made of nylon material.

5. The dual-band broadband LTE / 5G dual-polarization directional antenna unit according to claim 1, characterized in that: The metal bottom plate is arranged in parallel with the high-frequency dual-polarization plum blossom-shaped vibrator unit.

6. The dual-band broadband LTE / 5G dual-polarization directional antenna unit according to claim 5, characterized in that: The high-frequency dual-polarization plum blossom-shaped oscillator is arranged in parallel with the parasitic radiation director.