Trisector directional antenna
Patent Information
- Application Number
- CN202521881998.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-02
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-09-02
AI Technical Summary
1、可以提高信号覆盖效率,减少通信盲区。
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Figure CN224789946U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of antennas in radio technology, and specifically discloses a three-part directional antenna. Background Technology
[0002] The trisection directional antenna combines the high gain advantage of directional antennas with the need for multi-beam coverage, representing a compromise solution in antenna engineering for specific application scenarios. Its development relies on advancements in array theory, materials technology, and signal processing techniques, and may be further integrated with intelligent beamforming in the future. Summary of the Invention
[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a three-part directional antenna.
[0004] According to the technical solution provided by this utility model, the three-part directional antenna includes an end cover, a top cover, a main reflector, a sub-reflector assembly, a low-frequency vibrator array, a 2G vibrator array, a 3G vibrator array, a low-frequency power divider, a 2G power divider, and a 3G power divider. The top cover is located above the end cover. Three main reflectors are fixed between the end cover and the top cover. The main reflectors are flat plates, and the three main reflectors are arranged in an equilateral triangle. The three main reflectors do not contact each other. The adjacent ends of two adjacent main reflectors are connected by a sub-reflector assembly, which is a curved plate. A low-frequency vibrator array is fixed on the front of the main reflectors. The low-frequency vibrator array includes several low-frequency vibrator assemblies. A low-frequency power divider is fixed on the back of the main reflectors. The low-frequency oscillator array is electrically connected. A 2G oscillator array and a 3G oscillator array are fixed on the front of the sub-reflector assembly. The 2G oscillator array includes several 2G oscillator components, and the 3G oscillator array includes several 3G oscillator components. A 2G power divider board and a 3G power divider board are fixed on the back of the sub-reflector assembly. The 2G power divider board is electrically connected to the 2G oscillator array, and the 3G power divider board is electrically connected to the 3G oscillator array. Coaxial cables are connected to the low-frequency power divider board, the 2G power divider board, and the 3G power divider board.
[0005] Preferably, the sub-reflector assembly includes a connecting plate and two sub-reflectors connected to both sides of the connecting plate. The connecting plate is a flat plate; the sub-reflectors are arc plates, and the sub-reflectors are tangent to the connecting plate and to the main reflector. The 2G oscillator array is fixed to the front of one of the sub-reflectors in each sub-reflector assembly, the 2G power divider is fixed to the back of the sub-reflector, and all the 2G oscillator arrays are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors. The 3G oscillator array is fixed to the front of another sub-reflector in each sub-reflector assembly, the 3G power divider is fixed to the back of the sub-reflector, and all the 3G oscillator arrays are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors.
[0006] Preferably, the low-frequency oscillator assembly includes a first low-frequency oscillator, a second low-frequency oscillator, and a low-frequency parasitic plate; the first low-frequency oscillator and the second low-frequency oscillator are arranged in a cross shape, and a low-frequency parasitic plate is fixed on the first low-frequency oscillator and the second low-frequency oscillator.
[0007] Preferably, the 2G oscillator assembly includes a first 2G oscillator, a second 2G oscillator, and a 2G parasitic plate; the first 2G oscillator and the second 2G oscillator are arranged in a cross shape, and a 2G parasitic plate is fixed on the first 2G oscillator and the second 2G oscillator.
[0008] Preferably, the 3G oscillator assembly includes a first 3G oscillator, a second 3G oscillator, and a 3G parasitic plate; the first 3G oscillator and the second 3G oscillator are arranged in a cross shape, and a 3G parasitic plate is fixed on the first 3G oscillator and the second 3G oscillator.
[0009] This utility model has the following advantages: 1. It can improve signal coverage efficiency and reduce communication blind spots.
[0010] 2. It can enhance anti-interference capabilities and improve the signal-to-noise ratio.
[0011] 3. It can reduce system complexity and save costs.
[0012] 4. Adaptable to diverse application scenarios. Attached Figure Description
[0013] Figure 1 This is the front view of this utility model.
[0014] Figure 2 This is the left view of this utility model.
[0015] Figure 3 This is the right view of this utility model.
[0016] Figure 4 This is a cross-sectional view of the present invention. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0018] A trisection directional antenna, such as Figure 1-4 As shown, it includes an end cap 1, a top cap 2, a main reflector 3, a secondary reflector assembly 4, a low-frequency vibrator array 5, a 2G vibrator array 6, a 3G vibrator array 7, a low-frequency power divider 8, a 2G power divider, and a 3G power divider. The top cover 2 is located above the end cover 1. Three main reflectors 3 are fixed between the end cover 1 and the top cover 2. The main reflectors 3 are flat plates, and the three main reflectors 3 are arranged in an equilateral triangle. The three main reflectors 3 do not contact each other. The adjacent ends of two adjacent main reflectors 3 are connected by a sub-reflector assembly 4, which is a curved plate. A low-frequency vibrator array 5 is fixed on the front of the main reflector 3. The low-frequency vibrator array 5 includes several low-frequency vibrator assemblies. A low-frequency power divider 8 is fixed on the back of the main reflector 3. The power divider 8 is electrically connected to the low-frequency vibrator array 5. A 2G vibrator array 6 and a 3G vibrator array 7 are fixed on the front of the sub-reflector assembly 4. The 2G vibrator array 6 includes several 2G vibrator components, and the 3G vibrator array 7 includes several 3G vibrator components. A 2G power divider board and a 3G power divider board are fixed on the back of the sub-reflector assembly 4. The 2G power divider board is electrically connected to the 2G vibrator array 6, and the 3G power divider board is electrically connected to the 3G vibrator array 7. Coaxial cables are connected to the low-frequency power divider board 8, the 2G power divider board, and the 3G power divider board.
[0019] The sub-reflector assembly 4 includes a connecting plate 4.1 and two sub-reflectors 4.2 connected to both sides of the connecting plate 4.1. The connecting plate 4.1 is a flat plate; the sub-reflectors 4.2 are arc plates. The sub-reflectors 4.2 are tangent to the connecting plate 4.1 and tangent to the main reflector 3. The 2G oscillator array 6 is fixed on the front of one of the sub-reflectors 4.2 in each sub-reflector assembly 4, the 2G power divider is fixed on the back of the sub-reflector 4.2, and all the 2G oscillator arrays 6 are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors 3. The 3G transducer array 7 is fixed on the front of another sub-reflector 4.2 of each sub-reflector assembly 4, and the 3G power divider is fixed on the back of the sub-reflector 4.2. All the 3G transducer arrays 7 are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors 3.
[0020] The low-frequency oscillator assembly includes a first low-frequency oscillator 5.1, a second low-frequency oscillator 5.2, and a low-frequency parasitic plate 5.3; the first low-frequency oscillator 5.1 and the second low-frequency oscillator 5.2 are arranged in a cross shape, and the low-frequency parasitic plate 5.3 is fixed on the first low-frequency oscillator 5.1 and the second low-frequency oscillator 5.2.
[0021] The 2G oscillator assembly includes a first 2G oscillator 6.1, a second 2G oscillator 6.2, and a 2G parasitic plate 6.3; the first 2G oscillator 6.1 and the second 2G oscillator 6.2 are arranged in a cross shape, and the 2G parasitic plate 6.3 is fixed on the first 2G oscillator 6.1 and the second 2G oscillator 6.2.
[0022] The 3G oscillator assembly includes a first 3G oscillator 7.1, a second 3G oscillator 7.2, and a 3G parasitic plate 7.3; the first 3G oscillator 7.1 and the second 3G oscillator 7.2 are arranged in a cross shape, and the 3G parasitic plate 7.3 is fixed on the first 3G oscillator 7.1 and the second 3G oscillator 7.2.
[0023] In this invention, all low-frequency oscillator arrays 5 are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors 3 (i.e., evenly distributed at 120 degrees), which can achieve omnidirectional coverage and reduce communication blind spots. The frequency band of the low-frequency oscillator assembly is 698MHz-896MHz.
[0024] All 2G transducer arrays 6 are evenly distributed around the center line of an equilateral triangle formed by three main reflectors 3 (i.e., evenly distributed at 120 degrees), which can achieve omnidirectional coverage and reduce communication blind spots. The frequency band of the 2G transducer components is 1695MHz-2690MHz.
[0025] All 3G transducer arrays 7 are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors 3 (i.e., evenly distributed at 120 degrees), which can achieve omnidirectional coverage and reduce communication blind spots. The frequency band of the 3G transducer components is 3300MHz-4200MHz.
[0026] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A three-part directional antenna, comprising an end cap (1), a top cap (2), a main reflector (3), a sub-reflector assembly (4), a low-frequency dipole array (5), a 2G dipole array (6), a 3G dipole array (7), a low-frequency power divider (8), a 2G power divider, and a 3G power divider; Its characteristics are: The top cover (2) is located above the end cover (1). Three main reflectors (3) are fixed between the end cover (1) and the top cover (2). The main reflectors (3) are flat plates. The three main reflectors (3) are arranged in an equilateral triangle. The three main reflectors (3) do not contact each other. The adjacent ends of two adjacent main reflectors (3) are connected by a sub-reflector assembly (4). The sub-reflector assembly (4) is a curved plate. A low-frequency vibrator array (5) is fixed on the front of the main reflector (3). The low-frequency vibrator array (5) includes several low-frequency vibrator assemblies. A low-frequency power divider (8) is fixed on the back of the main reflector (3). The low-frequency power divider (8) is electrically connected to the low-frequency vibrator array (5). A 2G vibrator array (6) and a 3G vibrator array (7) are fixed on the front of the sub-reflector assembly (4). The 2G vibrator array (6) includes several 2G vibrator components, and the 3G vibrator array (7) includes several 3G vibrator components. A 2G power divider and a 3G power divider are fixed on the back of the sub-reflector assembly (4). The 2G power divider is electrically connected to the 2G vibrator array (6), and the 3G power divider is electrically connected to the 3G vibrator array (7). Coaxial cables are connected to the low-frequency power divider (8), the 2G power divider, and the 3G power divider.
2. The trisection directional antenna as described in claim 1, characterized in that: The sub-reflector assembly (4) includes a connecting plate (4.1) and two sub-reflectors (4.2) connected to both sides of the connecting plate (4.1). The connecting plate (4.1) is a flat plate; the sub-reflectors (4.2) are arc plates. The sub-reflectors (4.2) are tangent to the connecting plate (4.1) and tangent to the main reflector (3). The 2G oscillator array (6) is fixed on the front of one of the sub-reflectors (4.2) of each sub-reflector assembly (4), the 2G power divider is fixed on the back of the sub-reflector (4.2), and all the 2G oscillator arrays (6) are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors (3). The 3G oscillator array (7) is fixed on the front of another sub-reflector (4.2) of each sub-reflector assembly (4), the 3G power divider is fixed on the back of the sub-reflector (4.2), and all the 3G oscillator arrays (7) are evenly distributed around the center line of the equilateral triangle formed by the three main reflectors (3).
3. The trisection directional antenna as described in claim 1, characterized in that: The low-frequency oscillator assembly includes a first low-frequency oscillator (5.1), a second low-frequency oscillator (5.2), and a low-frequency parasitic plate (5.3); the first low-frequency oscillator (5.1) and the second low-frequency oscillator (5.2) are arranged in a cross shape, and the low-frequency parasitic plate (5.3) is fixed on the first low-frequency oscillator (5.1) and the second low-frequency oscillator (5.2).
4. The trisection directional antenna as described in claim 1, characterized in that: The 2G oscillator assembly includes a first 2G oscillator (6.1), a second 2G oscillator (6.2), and a 2G parasitic plate (6.3); the first 2G oscillator (6.1) and the second 2G oscillator (6.2) are arranged in a cross shape, and the 2G parasitic plate (6.3) is fixed on the first 2G oscillator (6.1) and the second 2G oscillator (6.2).
5. The trisection directional antenna as described in claim 1, characterized in that: The 3G oscillator assembly includes a first 3G oscillator (7.1), a second 3G oscillator (7.2), and a 3G parasitic plate (7.3); the first 3G oscillator (7.1) and the second 3G oscillator (7.2) are arranged in a cross shape, and the 3G parasitic plate (7.3) is fixed on the first 3G oscillator (7.1) and the second 3G oscillator (7.2).