Anti-interference combined antenna

Abstract

The utility model belongs to the technical field of antennas, and particularly relates to an anti-interference combined antenna, which comprises a dielectric antenna and a plurality of metallization adjusting units, the upper surface and the lower surface of the dielectric antenna are respectively provided with a metallization radiation unit and an antenna ground, and the metallization adjusting units are arranged on the side surface of the dielectric antenna. The metalized radiation unit is connected with the antenna ground, the metalized radiation unit is connected with the antenna ground, the dielectric antenna is provided with a plurality of feed holes, two ends of each feed hole penetrate through the metalized radiation unit and the antenna ground, and the anti-interference capability of the antenna is effectively improved through the structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to antenna technical field especially relates to a kind of anti-interference combination antenna. BACKGROUND

[0002] With the rapid development of global satellite navigation system, especially the rise of China's Beidou satellite navigation industry, the application scene of high-precision navigation and positioning system is more and more, and the demand for low-cost multi-system navigation is also increasing. In order to meet the application requirements of terminal equipment compatible with four navigation systems, the antenna should have wide gain, bandwidth and beam bandwidth, and require lower cost and better stability. With the popularization of new energy vehicles and other intelligent products, the installation space and environment of the antenna are complex, and the combination antenna in the prior art has the technical problems of reduced antenna performance and weak anti-interference ability due to irregular shape of the reflector plate, external environment or other external devices. SUMMARY

[0003] The utility model aims at providing a kind of anti-interference combination antenna, to solve the technical problem of weak anti-interference ability of antenna in the prior art.

[0004] To achieve the above purpose, the utility model embodiment provides an anti-interference combination antenna, which comprises a dielectric antenna and a plurality of metalized adjusting units, the upper surface and the lower surface of the dielectric antenna are respectively provided with a metalized radiation unit and an antenna ground, the metalized adjusting unit is arranged on the side surface of the dielectric antenna, and the metalized adjusting unit is connected with the antenna ground, a plurality of feed holes are arranged on the dielectric antenna, and the two ends of the feed hole penetrate the metalized radiation unit and the antenna ground.

[0005] Preferably, the upper surface of the dielectric antenna is provided with a plurality of grounding holes and a plurality of extended ground branches, each grounding hole and each extended ground branch are arranged around the metalized radiation unit, one end of each grounding hole is located on each extended ground branch, and the other end of each grounding hole is connected with the antenna ground.

[0006] Preferably, the metalized radiation unit is provided with a non-metallic isolation area, the non-metallic isolation area is arranged around the center of the metalized radiation unit, and the non-metallic isolation area divides the metalized radiation unit into two parts.

[0007] Preferably, the non-metallic isolation area is provided with a plurality of metalized coupling bridges, each metalized coupling bridge is symmetrically arranged with the center of the metalized radiation unit as the center, and the two ends of the metalized coupling bridge are respectively connected with the inner and outer parts of the metalized radiation unit.

[0008] Preferably, the medium antenna upper surface is further provided with a plurality of communication antennas, and each of the communication antennas is located at a position outside the periphery of the metalized radiation unit.

[0009] Preferably, the anti-interference combined antenna can be a single-band medium antenna, and the anti-interference performance is improved by the metalized adjustment unit.

[0010] Preferably, the anti-interference combined antenna can be a multi-band integrated medium antenna with a multi-band radiation unit, and the anti-interference performance is improved by the metalized adjustment unit.

[0011] Preferably, the anti-interference combined antenna can be an integrated wideband antenna with coplanar coupling or positive and negative double-sided coupling, and the anti-interference performance is improved by the metalized adjustment unit.

[0012] The anti-interference combined antenna provided in the embodiments of the present application has at least one of the following technical effects:

[0013] The anti-interference combined antenna in the present application is composed of a medium antenna and a plurality of metalized adjustment units, wherein the metalized adjustment units are arranged on the side surface of the medium antenna, and according to requirements, the metalized adjustment units can be arranged in multiple, the medium antenna can be arranged with the metalized adjustment units on one side surface, or the metalized adjustment units can be arranged on multiple side surfaces, the shape, length and height of the metalized adjustment units can be adjusted and changed according to the characteristics of the antenna, so as to change the characteristics of the antenna in each direction, the metalized radiation unit and the antenna ground are arranged on the upper surface of the medium antenna, the metalized radiation unit is located on the upper surface of the medium antenna, the antenna ground is located on the lower surface of the medium antenna, and the metalized adjustment unit is connected with the antenna ground located at the bottom of the medium antenna, the number, height, length or shape of the metalized adjustment unit is adjusted to compensate and adjust the performance characteristics of the antenna in each direction, effectively offset the influence of the antenna reflector shape, installation environment and additional external devices on the antenna axial ratio, gain and phase center, effectively improve the gain of the antenna, reduce the axial ratio, and optimize the phase center of the antenna, thereby greatly improving the performance of the antenna, the medium antenna is provided with a center through hole, a feed hole and a grounding hole, the center through hole penetrates the metalized radiation unit and the antenna ground at two ends, the feed hole and the grounding hole are arranged around the center through hole, and each of the feed holes and the grounding holes is arranged in a central symmetry with the center through hole as the center, through the above structure, the anti-interference ability of the combined antenna in the present application is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 An illustration of the anti-interference combined antenna (style 1) provided in an embodiment of this utility model.

[0016] Figure 2 An illustration of the anti-interference combined antenna (style 2) provided in the embodiment of this utility model.

[0017] Figure 3 An illustration of the anti-interference combined antenna (style 3) provided in the embodiment of this utility model.

[0018] Figure 4 An illustration of the anti-interference combined antenna (style four) provided in the embodiment of this utility model.

[0019] The following are the labeling elements in the figure:

[0020] 10—Dielectric antenna; 11—Center through-hole; 12—Feed hole

[0021] 13—Extended grounding branch; 14—Metallized radiating unit; 15—Grounding hole

[0022] 20—Metallization adjustment unit; 141—Non-metallic isolation area; 142—Metallization coupling bridge. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below, with examples of the embodiments shown in the appendix. Figures 1-4 As shown, the same or similar reference numerals throughout denote the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0024] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0026] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0027] In one embodiment of this utility model, such as Figures 1-4 As shown, an anti-interference combined antenna is provided, including a dielectric antenna 10 and several metallized adjustment units 20. Metallized radiating units 14 and antenna ground are respectively provided on the upper and lower surfaces of the dielectric antenna 10. The metallized adjustment units 20 are disposed on the side of the dielectric antenna 10 and are connected to the antenna ground. The dielectric antenna 10 is provided with a central through hole 11, several feed holes 12 and several ground holes 15. Both ends of the central through hole 11, feed holes 12 and ground holes 15 are arranged through the metallized radiating units 14 and the antenna ground. The central through hole 11 is located at the center of the dielectric antenna 10. Each feed hole 12 is arranged around the central through hole 11, and each ground hole 15 is arranged around the metallized radiating unit 14.

[0028] The anti-interference combined antenna of this utility model is composed of a dielectric antenna 10 and several metallization adjustment units 20. The metallization adjustment units 20 are disposed on the side of the dielectric antenna. Multiple metallization adjustment units 20 can be provided according to requirements. The dielectric antenna 10 can have metallization adjustment units 20 on one side or on multiple sides. The shape, length, and height of the metallization adjustment units 20 can be adjusted and changed according to the antenna characteristics to achieve diversity in the metallization adjustment units 20. A metallization radiating unit 14 and an antenna ground are disposed on the dielectric antenna 10. The metallization radiating unit 14 is located on the upper surface of the dielectric antenna 10, and the antenna ground is located on the lower surface of the dielectric antenna 10. The metallization adjustment units 20 are connected to the antenna ground located at the bottom of the dielectric antenna 10. Next, by adjusting the number, height, length, or shape of the metallization adjustment unit 20, the performance characteristics of the antenna in various directions are compensated and adjusted, effectively offsetting the influence of the antenna reflector shape, installation environment, and additional peripherals on the antenna axial ratio, gain, and phase center, effectively improving the antenna gain, reducing the axial ratio, and optimizing the antenna phase center, thereby greatly improving the antenna performance. The dielectric antenna 10 has a central through hole 11, a feed hole 12, and a ground hole 15, with each end penetrating through the metallization radiating unit 14 and the antenna ground, respectively. Several feed holes 12 and ground holes 15 are provided, and they are all arranged around the central through hole 11. Each feed hole 12 and each ground hole 15 is centrally symmetrically arranged with the central through hole 11 as the center. Through the above structural arrangement, the combined antenna in this application can effectively improve the anti-interference capability.

[0029] In another embodiment of this utility model, such as Figures 1-4 As shown, the upper surface of the dielectric antenna 10 is provided with a plurality of extended grounding branches 13, each extended grounding branch 13 is arranged around the metallized radiating element 14, and one end of each grounding hole 15 is located on each extended grounding branch 13, which is used to improve the isolation of the antenna, improve port matching or optimize the radiation characteristics of the antenna.

[0030] In another embodiment of this utility model, such as Figure 4 As shown, a non-metallic isolation region 141 is provided on the metallized radiating unit 14. The non-metallic isolation region 141 is arranged around the center of the metallized radiating unit 14, and the non-metallic isolation region 141 divides the metallized radiating unit 14 into inner and outer parts, isolating electromagnetic interference between different radiating units and improving the overall performance and stability of the antenna.

[0031] In another embodiment of this utility model, such as Figure 4As shown, a number of metallized coupling bridges 142 are provided on the non-metallic isolation region 141. Each metallized coupling bridge 142 is symmetrically arranged with the center of the metallized radiation unit 14 as the center. The two ends of the metallized coupling bridge 142 are respectively connected to the inner and outer parts of the metallized radiation unit 14 to realize signal transmission and processing.

[0032] In another embodiment of this utility model, such as Figure 4 As shown, the non-metallic isolation area 141 is located between the central through hole 11 and the power supply hole 12, and is used to separate different areas.

[0033] In another embodiment of this utility model, such as Figures 1-4 As shown, several communication antennas (not shown in the figure) are also provided on the upper surface of the dielectric antenna 10, and each communication antenna is located on the periphery of the metallized radiating element 14 to optimize data transmission speed, improve signal quality and reliability, and expand signal coverage.

[0034] In another embodiment of this utility model, such as Figures 1-3 As shown, the anti-interference combined antenna can be a single-band dielectric antenna. The anti-interference performance is improved by the metallization adjustment unit 20, and the anti-interference capability of the antenna for communication in a specific frequency band is enhanced by the metallization adjustment unit 20.

[0035] In another embodiment of this utility model, such as Figure 4 As shown, the anti-interference combined antenna can be a multi-band integrated dielectric antenna with a multi-band radiating element. The anti-interference performance is improved by the metallization adjustment unit 20. The metallization adjustment unit 20 is used to improve the anti-interference capability of the dielectric antenna that operates at different frequencies and meets various communication requirements.

[0036] In another embodiment of this utility model, such as Figures 1-4 As shown, the anti-interference combined antenna can be an integrated broadband antenna with coplanar coupling or dual-plane coupling. The anti-interference performance is improved by the metallization adjustment unit 20. By setting the metallization adjustment unit 20, the anti-interference capability of the coupled antenna with two frequencies on the same plane and the dual-plane coupled antenna with two frequencies on the upper and lower planes respectively can be improved.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An anti-interference combined antenna, characterized in that: The device includes a dielectric antenna and several metallized adjustment units. The upper and lower surfaces of the dielectric antenna are respectively provided with metallized radiating units and antenna ground. The metallized adjustment units are disposed on the side of the dielectric antenna and are connected to the antenna ground. The dielectric antenna is provided with several feed holes, and the two ends of the feed holes are disposed through the metallized radiating units and the antenna ground.

2. The anti-interference combined antenna according to claim 1, characterized in that: The upper surface of the dielectric antenna is provided with a plurality of grounding holes and a plurality of extended grounding branches. Each of the grounding holes and each of the extended grounding branches is arranged around the metallized radiating element. One end of each grounding hole is located on each of the extended grounding branches, and the other end of each grounding hole is connected to the antenna ground.

3. The anti-interference combined antenna according to claim 1, characterized in that: The metallized radiating unit is provided with a non-metallic isolation region, which surrounds the center of the metallized radiating unit and divides the metallized radiating unit into inner and outer parts.

4. The anti-interference combined antenna according to claim 3, characterized in that: A plurality of metallized coupling bridges are provided on the non-metallic isolation region. Each metallized coupling bridge is symmetrically arranged with the center of the metallized radiating unit as the center. The two ends of the metallized coupling bridge are respectively connected to the inner and outer parts of the metallized radiating unit.

5. The anti-interference combined antenna according to any one of claims 1 to 4, characterized in that: The upper surface of the dielectric antenna is also provided with a plurality of communication antennas, and each of the communication antennas is located at a position outside the metallized radiating unit.

6. The anti-interference combined antenna according to any one of claims 1 to 4, characterized in that: The anti-interference combined antenna can be a single-band dielectric antenna, and its anti-interference performance is improved by the metallization adjustment unit.

7. The anti-interference combined antenna according to any one of claims 1 to 4, characterized in that: The anti-interference combined antenna can be a multi-band integrated dielectric antenna with a multi-band radiating element, and the anti-interference performance is improved by the metallization adjustment unit.

8. The anti-interference combined antenna according to any one of claims 1 to 4, characterized in that: The anti-interference combined antenna can be an integrated broadband antenna with coplanar coupling or dual-plane coupling, and the anti-interference performance is improved by the metallization adjustment unit.

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