Omnidirectional indoor distributed antenna and electronic device
By designing the omnidirectional room division antenna, combined with the vertical polarization unit of the single -arm correction and the reflected structure, and the horizontal polarization unit of the radiation structure set at intervals, the demand for high gain, wide waves, and omnidirectional coverage in the 5G signal distribution system is solved. Realize efficient signal coverage.
Patent Information
- Application Number
- PCT/CN2024/098569
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-07-21
- Filing Date
- 2024-06-12
- Publication Date
- 2025-01-30
AI Technical Summary
In the 5G signal distribution system, users put forward high requirements for the antennas of high gain, wide beam, and omnidirectional coverage, and the prior art is difficult to effectively meet these needs.
Design a omnidirectional room division antenna, including vertical polarization unit and horizontal polarization unit. The vertical polarization unit adopts single -arm vibration and reflex structure. The horizontal polarization unit adopts multiple radiation structures set by interval. The cooperation of the radiation structure can achieve the omnipotent coverage of high gain and width beam.
The indoor distribution system with high gain, wide wave beam and omnidirectional coverage can effectively meet the coverage needs of 5G signals.
Smart Images

Figure CN2024098569_30012025_PF_FP_ABST
Abstract
Description
Omnidirectional indoor antennas and electronic equipment Technical Field
[0001] The present disclosure belongs to the field of communication technology, and particularly relates to an omnidirectional indoor antenna and electronic equipment. Background Art
[0002] In existing indoor distribution systems, fifth-generation mobile communication technology (5G) is increasingly being used to achieve high-speed and highly reliable wireless communications. However, due to the large volume of user data, 5G signal distribution systems place increasing demands on antennas for high gain, wide beams, and omnidirectional coverage. Therefore, providing an indoor distribution system with high gain, wide beams, and omnidirectional coverage is an urgent technical challenge.
[0003] Summary of the Invention
[0004] The present invention aims to solve at least one of the technical problems existing in the prior art and provides an omnidirectional indoor antenna and electronic equipment.
[0005] In a first aspect, an embodiment of the present disclosure provides an omnidirectional room antenna, comprising a vertical polarization unit and a horizontal polarization unit; the vertical polarization unit comprises a single-arm dipole and a reflective structure arranged in opposite directions; the horizontal polarization unit comprises a plurality of radiating structures arranged on the reflective structure and spaced apart, the radiating structures comprising at least one radiating patch; wherein,
[0006] The reflective structure comprises at least: a first reflective component; the first reflective component comprises a plurality of main bodies arranged in sequence along its circumference; one of the main bodies is provided with a radiation structure, and the outer contour of the main body is adapted to the outer contour of the radiation patch.
[0007] In which, the first reflection component also includes a filling portion connected between the adjacent main body portions; the reflection structure also includes a second reflection component, the second reflection component is connected to the first reflection component, and is arranged opposite to the single-arm vibrator; the dihedral angle formed by the extended surface of the plane where the first reflection component is located and the extended surface of the plane where the main body portion is located is a first dihedral angle, and the dihedral angle formed by the extended surface of the plane where the first reflection component is located and the plane where the filling portion is located is a second dihedral angle; the first dihedral angle and the second dihedral angle are not equal.
[0008] The first reflective component further comprises a plurality of connecting parts connected in sequence, one connecting part is connected to one main part, and the interconnected connecting parts and the main part form an integrated structure; each of the connecting parts is the second reflective component.
[0009] The main body and the radiation patch of the radiation structure located thereon are arranged in parallel.
[0010] The reflective structure further includes a fixing component, which is connected to the side of the first reflective component facing away from the second reflective component, and the fixing component is configured to be fixed to the bottom plate of the antenna cover.
[0011] In which, the fixing assembly includes a first fixing part and a second fixing part, the first fixing part is connected to the main body part, and the second fixing part is connected to the filling part, the first fixing part and the second fixing part are both bow-shaped, and the line connecting the arcs of each first fixing part and the arcs of each second fixing part forms a circle.
[0012] In which, the reflective structure also includes an auxiliary component, which is connected to the side of the first reflective component facing away from the second reflective component, and the tangent line of any point on the auxiliary component intersects with the extension surface of the plane where the main body is located, and / or the tangent line of any point on the auxiliary component intersects with the extension surface of the plane where the filling part is located.
[0013] The first reflective component further includes a filling portion connected to the main body; each of the main body and the filling portion is connected to form the first reflective component in a cone shape.
[0014] The first reflective component further includes a filling portion connected to the main body portion; each of the main body portions and the filling portion is connected to form the first reflective component in a plane.
[0015] In which, the reflection structure also includes a second reflection component, which is connected to the first reflection component and is arranged opposite to the single-arm vibrator; each of the main bodies is connected in sequence, and the plane where each of the main bodies is located forms a third dihedral angle with the plane where the first reflection component is located, and each of the third dihedral angles is equal in size.
[0016] The main body and the radiation patch of the radiation structure located thereon are arranged in parallel.
[0017] The radiation patches of the radiation structure include a first radiation patch and a second radiation patch which are sequentially arranged in a direction away from the main body, and there is a certain distance between the first radiation patch and the second radiation patch.
[0018] The outer contour of the main body and the outer contour of the radiation patch are both directional or rectangular.
[0019] Wherein, the omnidirectional indoor antenna further includes a radome; the vertical polarization unit and the horizontal polarization unit are located inside the radome.
[0020] Wherein, the radiation structure and the reflection structure are fixedly connected via a support member.
[0021] Wherein, the material of the support member includes plastic.
[0022] Wherein, a dielectric substrate is arranged between the radiation structure and the reflection structure.
[0023] Wherein, the dielectric substrate includes a PCB.
[0024] In a second aspect, an embodiment of the present disclosure provides an electronic device comprising any of the above-mentioned omnidirectional room antennas. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] FIG1 is a perspective view of an omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0026] FIG2 is a top view of the omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0027] FIG3 is a partial cross-sectional view of the omnidirectional room antenna according to an embodiment of the present disclosure.
[0028] FIG4 is a schematic diagram of a first coaxial cable of the omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0029] FIG5 is a schematic diagram of a first reflective component of a first example of an omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0030] FIG6 is a directional diagram of a horizontally polarized unit of a first example of an omnidirectional room antenna according to an embodiment of the present disclosure.
[0031] FIG7 is a standing wave diagram of a horizontally polarized unit of a first example of an omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0032] FIG8 is a schematic structural diagram of a second example of an omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0033] FIG9 is a schematic structural diagram of a third example of the omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0034] FIG10 is a schematic structural diagram of a fourth example of the omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0035] FIG11 is a schematic structural diagram of a fifth example of the omnidirectional indoor antenna according to an embodiment of the present disclosure.
[0036] FIG12 is a schematic structural diagram of a sixth example of the omnidirectional indoor antenna according to an embodiment of the present disclosure. DETAILED DESCRIPTION
[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0038] Unless otherwise defined, the technical or scientific terms used in this disclosure should have the usual meanings understood by people with ordinary skills in the field to which this disclosure belongs. The words "first", "second" and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one", "an" or "the" do not indicate a quantity limitation, but rather indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.
[0039] In the first aspect, FIG1 is a three-dimensional diagram of an omnidirectional room antenna according to an embodiment of the present disclosure; FIG2 is a top view of an omnidirectional room antenna according to an embodiment of the present disclosure; FIG3 is a partial cross-sectional diagram of an omnidirectional room antenna according to an embodiment of the present disclosure; as shown in FIG1-3, an embodiment of the present disclosure provides an omnidirectional room antenna, which is a dual-polarization antenna and may include a vertical polarization unit 1 and a horizontal polarization unit 2. The vertical polarization unit 1 includes a single-arm oscillator 11 and a reflective structure 12, and the single-arm oscillator 11 and the reflective structure 12 are arranged opposite to each other. The reflective structure 12 has a first surface and a second surface arranged opposite to each other, and the first surface is closer to the single-arm oscillator 11 than the second surface. The horizontal polarization unit 2 is arranged on the side of the first surface. The horizontal polarization unit 2 includes a plurality of radiating structures 21, and the plurality of radiating structures 21 are located on the side of the first surface of the reflective structure 12 facing away from the second surface, and are arranged at intervals along the circumference of the first surface. In particular, in the disclosed embodiment, the reflective structure 12 includes at least a first reflective component 121. The first reflective component 121 includes multiple main bodies 1211 arranged sequentially along its circumference. Each main body 1211 is provided with a radiating structure 21. For example, the main bodies 1211 and radiating structures 21 are provided in a one-to-one correspondence. The radiating structure 21 includes at least one radiating patch, and the outer contour of the main body 1211 matches the outer contour of the radiating patch. For example, the contour of the radiating patch is rectangular, and the contour of the main body 1211 is also rectangular, and the sides of the two are provided in a one-to-one correspondence.
[0040] Referring to Figure 1, in Figure 1, the single-arm oscillator 11 in the vertical polarization unit 1 adopts a conical column structure as an example. By feeding the single-arm oscillator 11 and coordinating the reflection of the reflection structure 12, the vertical polarization unit 1 can be used as a broadband omnidirectional antenna. The radiation structure 21 in the horizontal polarization unit 2 can adopt a single-layer radiation patch or a double-layer radiation patch, that is, the horizontal polarization unit 2 can be used as a patch antenna, which has the characteristics of high gain and wide beam. In the embodiment of the present disclosure, only the radiation structure 21 including a double-layer radiation patch is taken as an example. For the convenience of description, the one of the two layers of radiation patches closer to the main body 1211 is called the first radiation patch 201, and the other is called the second radiation patch 202. In the embodiment of the present disclosure, since the radiating structure 21 is disposed on the main body 1211, the main body 1211 serves as a reference electrode of the radiating structure 21. At the same time, the main body 1211 and the outer contours of the first radiating patch 201 / the second radiating patch 202 located thereon are adapted to each other, that is, the distance between the edge of the main body 1211 and the edge of the first radiating patch 201 / the second radiating patch 202 can be relatively shortened, thereby improving the gain of the horizontally polarized unit 2 at high pitch angles (e.g., Theta ≥ 60°), making the edge currents of the first radiating patch 201 and the second radiating patch 202 as symmetrical as possible, and improving the overall radiation pattern of the horizontally polarized unit 2. In the embodiment of the present disclosure, taking the radiating structure 21 including the first radiating patch 201 and the second radiating patch 202 as an example, the spacing between the first radiating patch 201 and the second radiating patch 202 in each radiating structure 21 can be maintained by a fixing member. The first radiating patch 201 can be fixed to the main body 1211 via a support. In this case, the main body 1211 serves as the reference electrode of the radiating structure 21, and the medium between the main body 1211 and the first radiating patch 201 is air. In this case, using a double-layer radiating patch as the radiator can improve gain and bandwidth. The support can be a nylon column, a plastic clip, or other structures, which are not listed here. The fixing member and the support can be made of the same material.
[0041] Of course, the first radiation patch 201 in the radiation structure 21 may also be provided on a dielectric substrate and fixed to the main body 1211 through the dielectric substrate, wherein the dielectric substrate may be a PCB.
[0042] In one example, the orthographic projection of the second radiating patch 202 on the plane where the main body 1211 is located is within the orthographic projection of the first radiating patch 201 on the plane where the main body 1211 is located. In this case, the size of the first radiating patch 201 is larger than the size of the second radiating patch 202. In another example, the orthographic projection of the second radiating patch 202 on the plane where the main body 1211 is located covers the orthographic projection of the first radiating patch 201 on the plane where the main body 1211 is located. In this case, the size of the first radiating patch 201 is smaller than the size of the second radiating patch 202. In the drawings of the embodiments of the present disclosure, only the example in which the size of the first radiating patch 201 of each radiating structure 21 is larger than the size of the second radiating patch 202 is used.
[0043] In some examples, the shapes of the first radiating patch 201 and the second radiating patch 202 can be the same or different. In the embodiment of the present disclosure, the shapes of the first radiating patch 201 and the second radiating patch 202 can be selected from circular, elliptical, polygonal, or irregular shapes. When the first radiating patch 201 and the second radiating patch 202 are polygonal, both shapes can be rectangular, square, hexagonal, trapezoidal, etc. In the embodiment of the present disclosure, the first radiating patch 201 and the second radiating patch 202 are rectangular as an example. It should be understood that in this case, the shape of the main body 1211 is also rectangular.
[0044] In some examples, the horizontally polarized unit 2 in the embodiments of the present disclosure includes not only the aforementioned radiating structure 21, but also multiple feeding components 22 and a power splitting network 23. The power splitting network 23 has a first feeding port and multiple second feeding ports, and each second feeding port is electrically connected to each radiating structure 21 via a feeding component 22. In this case, the electromagnetic wave signal fed into the first feeding port of the power splitting network 23 is fed into the feeding component 22 via the second feeding port, and the feeding component 22 feeds the electromagnetic wave signal into the radiating structure 21 for radiation.
[0045] Specifically, the power splitting network 23 is a one-to-many power splitter. For example, if the number of radiating structures 21 is five, the power splitting network is a one-to-five power splitter, and the number of corresponding feeding components 22 is also five. The one-to-five power splitter has one main circuit and five branches. The main circuit and the branches each have a first end and a second end. The first end of the main circuit serves as the first feeding port of the power splitting network 23. The second end of the main circuit is connected to the first end of each branch. The second end of the branch serves as the second feeding port.
[0046] The material of the dielectric board of the one-to-many power splitter can be a PCB dielectric board such as polytetrafluoroethylene, glass, or fiber press board.
[0047] In some examples, FIG4 is a schematic diagram of a first coaxial cable of an omnidirectional room antenna according to an embodiment of the present disclosure; as shown in FIG4 , the feed assembly 22 may be a first coaxial cable. The first coaxial cable includes a first core 221, a first dielectric layer 222, a first reference electrode layer 223, and a first protective layer 224 nested in sequence. The first coaxial cable includes a first connection end and a second connection end, and a first transmission segment connected between the first connection end and the second connection end. The first core 221 of the first connection end is electrically connected to the radiating structure 21, and the core of the second connection end is connected to a second feed port. Regarding the first connection end, in a direction from the first connection end toward the second connection end, the first core 221, first dielectric layer 222, first reference electrode layer 223, and first protective layer 224 are exposed in sequence. The first reference electrode layer 223 is electrically connected to the reflective structure 1212. The portion of the first connection end where the first dielectric layer 222 is exposed extends from the second surface side of the reflective structure 12 to the first surface side through a first via hole penetrating the reflective structure 1212. The exposed core of the first connection end is electrically connected to the radiating structure 21, and the connection location serves as the feed point of the radiating structure 21. Furthermore, the reflective structure 12 can be a ground electrode, and the first reference electrode layer 223 is connected to the reflective structure 12. In this case, the signal applied to the first reference electrode layer 223 is a ground signal. The connection between the first reference electrode layer 223 and the reflective structure 12 can be achieved by welding or screwing. Of course, the electrical connection between the first reference electrode layer 223 and the reflective structure 12 can be achieved by any method without affecting antenna performance.
[0048] When the feed assembly 22 uses a first coaxial cable, the connection between the first core 221 of the first coaxial cable and the first radiating patch 201201 is the feed point. The operating frequency of the horizontally polarized unit 22 can be adjusted as needed by adjusting the spacing between the first radiating patch 201201 and the second radiating patch 202202 in the radiating structure 2121, as well as their shape and size, and the position of the feed point, thereby achieving a high-gain, wide-beam horizontally polarized unit 2.
[0049] In some examples, the power splitting network 23 is disposed on the side of the second surface of the reflective structure 12 facing away from the first surface. In this case, since the reflective structure 12 is a conductive structure, an interlayer insulating layer is disposed between the second surface of the reflective structure 12 and the power splitting network 23 to isolate the reflective structure 12 from the power splitting network 23. In the disclosed embodiment, the power splitting network 23 is disposed on the second surface side of the reflective structure 12 and isolated from the reflective structure 12 by the interlayer insulating layer. This not only saves space, but also allows the reflective structure 12 to serve as a reference ground for the power splitting network 23, simplifying the overall structure of the antenna.
[0050] In some examples, in some examples, the vertical polarization unit 1 of the embodiment of the present disclosure includes not only the above-mentioned single-arm oscillator 11 and the reflective structure 12, but also a second coaxial cable for feeding the single-arm oscillator 11. The structure of the second coaxial cable is the same as the structure of the first coaxial cable, that is, the second coaxial cable includes a second core, a second dielectric layer, a second reference electrode layer, and a second protective layer nested in sequence; the second reference electrode layer is electrically connected to the reflective structure 12, and the second core is connected to the single-arm oscillator 11 through a second via that passes through the reflective structure 12. In this case, the second reference electrode layer is connected to the reflective structure 12, that is, the signal of the second reference electrode layer is a ground signal, and there is no need to set a separate signal end for the second reference electrode layer. Moreover, most of the structure of the second coaxial cable is arranged in the cone disk structure of the reflective structure 12, so it can save space.
[0051] In some examples, continuing to refer to FIG1 , the omnidirectional indoor antenna in the embodiment of the present disclosure includes not only the above-mentioned structure, but also includes an antenna cover, and the vertical polarization unit 1 and the horizontal polarization unit 2 are located inside the antenna cover. Specifically, the antenna cover may include a first part and a second part, the reflection structure 12 of the horizontal polarization unit 2 and the vertical polarization unit 1 is located in the first part, and the single-arm vibrator 11 of the vertical polarization unit 1 is located in the second part. The reflection structure 12 is fixed to the bottom plate of the first part of the antenna cover, for example, by fixing the reflection structure 12 and the bottom surface of the first part of the antenna cover with bolts. A limiter is provided on the top of the second part of the antenna cover, and the limiter is used to prevent the single-arm vibrator 11 from shaking and affecting the antenna performance. In one example, the antenna cover may be made of a plastic resin material.
[0052] In some examples, regardless of any of the aforementioned structures of the horizontally polarized unit 2 in the embodiments of the present disclosure, the number of radiating structures 21 in the horizontally polarized unit 2 can be various, such as three, four, five, or six. The aforementioned examples all use five radiating structures 21 as an example. In the embodiments of the present disclosure, by properly setting the number of radiating structures 21, gain can be effectively improved while also improving the circularity of the radiation pattern.
[0053] In order to make the specific structure of the reflective structure 12 in the omnidirectional indoor antenna of the embodiment of the present disclosure and the corresponding relationship between the reflective structure 12 and the radiating structure 21 clearer, a description will be given below with reference to specific examples.
[0054] The first example: With reference to Figures 1 and 2, in this example, the reflective structure 12 includes a first reflective component 121 and a second reflective component 122. The first reflective component 121 includes a plurality of main body parts 1211 and a filling part 1212 connected between the main body parts 1211. The second reflective component 122 is connected to the main body part 1211 and is arranged opposite to the single-arm vibrator 11. The main body part 1211 is rectangular and the filling part 1212 is triangular. The angle between the extended surface of the plane where the main body part 1211 is located and the extended surface of the plane where the second reflective component 122 is located is a first dihedral angle, and the angle between the extended surface of the plane where the filling part 1212 is located and the extended surface of the plane where the second reflective component 122 is located is a second dihedral angle, and the first dihedral angle and the second dihedral angle are not equal. In other words, the plane where the main body part 1211 is located and the plane where the filling part 1212 is located are not in the same plane. The main body 1211 and the first radiation patch 201 / the second radiation patch 202 of the radiation structure 21 located thereon are both rectangular. At this time, the size of the first radiation patch 201 / the second radiation patch 202 can be adjusted to reduce the distance between the first radiation patch 201 / the second radiation patch 202 and the edge of the main body 1211, and the corresponding arrangement can make the edge currents of the first radiation patch 201 and the second radiation patch 202 as symmetrical as possible, thereby improving the overall radiation pattern of the horizontal polarization unit 2.
[0055] In some examples, the first dihedral angle formed by the extended surface of the plane where each main body 1211 is located and the plane where the second reflective component 122 is located is equal. The second dihedral angle formed by the extended surface of the plane where each filling portion 1212 is located and the plane where the second reflective component 122 is located is equal. In this case, the structural design of the first reflective component 121 is facilitated. Furthermore, the dimensions of each main body 1211 can be designed to be the same, and the dimensions of each filling portion 1212 can be designed to be the same.
[0056] In some examples, the main body 1211 and the first and second radiation patches 201 and 202 located thereon are arranged in parallel, so as to facilitate feeding power to the first radiation patch 201 .
[0057] In some examples, Figure 5 is a schematic diagram of the first reflection component 121 of the first example of the omnidirectional room antenna of the embodiment of the present disclosure; as shown in Figure 5, the first reflection component 121 also includes a plurality of connecting parts 1213 connected in sequence, one connecting part 1213 is connected to a main body 1211, and the interconnected connecting parts 1213 and the main body 1211 are an integral structure; each connecting part 1213 is a second reflection component 122.
[0058] 2 , the reflective structure 12 includes not only a first reflective component 121 and a second reflective component 122, but also a fixing component 123. The fixing component 123 is connected to a side of the first reflective component 121 facing away from the second reflective component 122 and is configured to be fixed to the bottom plate of the radome to achieve fixation of the reflective structure 12 to the radome.
[0059] Specifically, the fixing assembly 123 may include a first fixing portion 123a and a second fixing portion 123b. The first fixing portion 123a is connected to the main body 1211, and the second fixing portion 123b is connected to the filling portion 1212. The first fixing portion 123a and the second fixing portion 123b are both arc-shaped, and the lines connecting the arcs of each first fixing portion 123a and each second fixing portion 123b form a circle. The first fixing portion 123a and the second fixing portion 123b are both disposed on the bottom plate of the radome and fixedly connected to the bottom plate of the radome, for example, using screws, snaps, etc. In other words, the outer contour of the orthographic projection of the reflective structure 12, which is composed of the first reflective assembly 121, the second reflective assembly 122, and the fixing assembly 123, onto the plane of the bottom plate of the radome, is circular.
[0060] Taking the omnidirectional room antenna shown in Figure 1 as an example, Figure 6 is the directional diagram of the horizontal polarization unit 2 of the first example of the omnidirectional room antenna of the embodiment of the present disclosure; Figure 7 is the standing wave diagram of the horizontal polarization unit 2 of the first example of the omnidirectional room antenna of the embodiment of the present disclosure; as shown in Figures 6 and 7, the performance of the omnidirectional room antenna is better.
[0061] Second Example: FIG8 is a schematic structural diagram of the second example of the omnidirectional room antenna according to an embodiment of the present disclosure. As shown in FIG8 , the first radiating patch 201 and the second radiating patch 202 in the radiating structure 21 of this example are rectangular, and the main body 1211 of the first reflective component 121 is also rectangular. Unlike the first example, the second reflective component 122 is a full-surface structure, and the second reflective component 122 and the main body 1211 are not integral structures. When there are five main bodies 1211, the outer contour of the second reflective component 122 is a pentagon, with one side sharing an edge with one side of the main body 1211. The remaining structures in the second example are the same as those in the first example, so they will not be repeated here.
[0062] Example 3: Figure 9 is a schematic diagram of the structure of the third example of an omnidirectional room antenna according to an embodiment of the present disclosure. As shown in Figure 9, in this example, an auxiliary component 13 can be attached to the side of the first reflector 121 facing away from the second reflector 122, based on the structure of the first or second examples. A tangent line at any point on the auxiliary component 13 intersects with an extension of the plane containing the main body 1211, and / or a tangent line at any point on the auxiliary component 13 intersects with an extension of the plane containing the filling portion 1212. For example, the auxiliary component 13 can be positioned perpendicular to the plane containing the second radiating component. Furthermore, the auxiliary component 13 can be cylindrical. It can be seen that the addition of the auxiliary component 13 is equivalent to extending the length of the first reflector 121 and increasing the area of the reflector component compared to the first and second examples. However, it should be noted that due to the increased area of the reflector component, the size of the first and second radiating patches 201 and 202, their height relative to the main body 1211, and the position of the feed point all need to be adjusted accordingly to meet antenna performance requirements.
[0063] Fourth example: FIG10 is a schematic structural diagram of the fourth example of the omnidirectional room antenna of the embodiment of the present disclosure; as shown in FIG10 , in this example, the first reflective component 121 is a conical structure, that is, the filling portion 1212 between the multiple main body portions 1211 of the first reflective component 121 needs to be able to be spliced with the main body portion 1211 to form a conical structure. In this case, the first reflective component 121 has no edges, and the edges of the first radiating patch 201 and the second radiating patch 202 of the radiating structure 21 are equivalent to having no spacing from the edges of the first reflective component 121, which can make the edge currents of the first radiating patch 201 and the second radiating patch 202 as symmetrical as possible, and can improve the overall radiation pattern of the horizontal polarization unit 2. It should be noted that the shape, size, height of the oscillators of the first radiating patch 201 and the second radiating patch 202 relative to the reflective structure 12, the spacing between the first radiating patch 201 and the second radiating patch 202, and the position of the feeding point can all be changed to match the performance requirements under this structure.
[0064] Fifth example: FIG11 is a structural diagram of the fifth example of the omnidirectional room antenna of the embodiment of the present disclosure; As shown in FIG11 , in this example, the first reflective component 121 is a planar structure, that is, the filling portion 1212 between the multiple main portions 1211 of the first reflective component 121 needs to be able to be spliced with the main portion 1211 to form a planar structure. In this case, the horizontal polarization unit 2 uses the reflective structure 12 as a reference electrode, and the phenomenon that the azimuth angle has a large gain difference within 360° at a certain pitch angle due to various asymmetric structures is eliminated. However, since the main radiation direction angle of the horizontal polarization unit 2 will become smaller, under this structure, the shape, size, height between the oscillator of the first radiation patch 201 and the second radiation patch 202 and the reflective structure 12, the spacing between the first radiation patch 201 and the second radiation patch 202, and the position of the feeding point can all be changed to match the performance requirements under this structure.
[0065] Sixth example: Figure 12 is a structural diagram of the sixth example of the omnidirectional room antenna of the embodiment of the present disclosure; as shown in Figure 12, in this example, the reflective structure 12 includes a first reflective structure 12 and a second reflective component 122, the second reflective component 122 is connected to the first reflective component 121, and is arranged opposite to the single-arm oscillator 11; the first reflective structure 12 only includes a plurality of main bodies 1211 connected in sequence; and the plane where each main body 1211 is located forms a third dihedral angle with the plane where the first reflective component 121 is located, and the magnitude of each third dihedral angle is equal. For example: the plane where the main body 1211 is located forms a third dihedral angle of 90° with the plane where the first reflective component 121 is located. That is, each main body 1211 is perpendicular to the bottom plate of the antenna cover. In the example, the first radiation patch 201 and the second radiation patch 202 of the radiation structure 21 are rectangular, and the main body 1211 is also rectangular. In this case, the boundary conditions within each radiating structure 21 of the horizontally polarized unit 2 are consistent, and the spatial separation between adjacent units is increased, reducing the coupling between them. Under this structure, the shape and size of the radiators of the first and second radiating patches 201, 202, their height relative to the reflective structure 12, the spacing between the first and second radiating patches 201, 202, and the location of the feed point can all be modified to meet the performance requirements of this structure.
[0066] In some examples, the horizontal polarization unit 22 of the embodiment of the present disclosure can be used as one of the MIMO (multiple input multiple output) antennas for the 5G frequency band, and the vertical polarization antenna can be used as the basic coverage antenna for the 2G / 3G / 4G / 5G ultra-wide band, in which the 5G sub-band and the horizontal polarization unit 22 together constitute a MIMO antenna.
[0067] In some examples, the omnidirectional indoor antenna can be a transceiver antenna, that is, it can both transmit and receive electromagnetic wave signals. Of course, the omnidirectional indoor antenna is not limited to the above structure, but also includes a transceiver unit, a radio frequency transceiver, a signal amplifier, a power amplifier, and a filter unit. The antenna in the communication device can be used as a transmitting antenna or a receiving antenna. Among them, the transceiver unit may include a baseband and a receiving end. The baseband provides a signal of at least one frequency band, such as a 2G signal, a 3G signal, a 4G signal, a 5G signal, etc., and sends a signal of at least one frequency band to the radio frequency transceiver. After the antenna in the communication system receives the signal, it can be processed by the filter unit, the power amplifier, the signal amplifier, and the radio frequency transceiver and then transmitted to the receiving end in the transceiver unit. The receiving end can be, for example, a smart gateway.
[0068] Furthermore, a radio frequency transceiver is connected to the transceiver unit and is used to modulate the signals sent by the transceiver unit or to demodulate the signals received by the antenna and transmit them back to the transceiver unit. Specifically, the radio frequency transceiver may include a transmitting circuit, a receiving circuit, a modulation circuit, and a demodulation circuit. After the transmitting circuit receives various types of signals provided by the baseband, the modulation circuit can modulate these various types of signals provided by the baseband and then transmit them to the antenna. The antenna receives the signal and transmits it to the receiving circuit of the radio frequency transceiver. The receiving circuit transmits the signal to the demodulation circuit, which demodulates the signal and transmits it to the receiving end.
[0069] Furthermore, the RF transceiver is connected to a signal amplifier and a power amplifier, which are then connected to a filtering unit, which is connected to at least one antenna. When the communication system transmits signals, the signal amplifier is used to increase the signal-to-noise ratio of the signal output by the RF transceiver before transmitting it to the filtering unit. The power amplifier is used to amplify the power of the signal output by the RF transceiver before transmitting it to the filtering unit. The filtering unit may specifically include a duplexer and a filtering circuit. The filtering unit combines the signals output by the signal amplifier and the power amplifier, filters out noise, and then transmits them to the antenna, which radiates the signal. When the communication system receives signals, the antenna receives the signal and transmits it to the filtering unit. The filtering unit filters out noise from the signal received by the antenna and transmits it to the signal amplifier and power amplifier. The signal amplifier amplifies the signal received by the antenna to increase the signal-to-noise ratio. The power amplifier amplifies the power of the signal received by the antenna. The signal received by the antenna is processed by the power amplifier and the signal amplifier before being transmitted to the RF transceiver, which then transmits it to the transceiver unit.
[0070] In some examples, the signal amplifier may include various types of signal amplifiers, such as a low noise amplifier, which is not limited herein.
[0071] In some examples, the omnidirectional room antenna provided by the embodiments of the present disclosure further includes a power management unit, which is connected to a power amplifier to provide the power amplifier with a voltage for amplifying the signal.
[0072] In a second aspect, an embodiment of the present disclosure provides an electronic device comprising any of the above-mentioned omnidirectional room-divided antennas. Since the electronic device in the embodiment of the present disclosure comprises the above-mentioned omnidirectional room-divided antenna, its signal is better.
[0073] It will be understood that the above embodiments are merely exemplary embodiments for illustrating the principles of the present invention, and the present invention is not limited thereto. Those skilled in the art will appreciate that various modifications and improvements can be made without departing from the spirit and substance of the present invention, and such modifications and improvements are also considered to be within the scope of protection of the present invention.
Claims
1. An omnidirectional room antenna, comprising a vertical polarization unit and a horizontal polarization unit; the vertical polarization unit comprises a single-arm dipole and a reflection structure arranged opposite to each other; the horizontal polarization unit comprises a plurality of radiation structures arranged on the reflection structure and arranged at intervals, the radiation structure comprising at least one radiation patch; wherein, The reflective structure at least comprises: a first reflective component; the first reflective component comprises a plurality of main bodies arranged in sequence along its circumference; one of the main bodies is provided with a radiation structure, and the outer contour of the main body is adapted to the outer contour of the radiation patch.
2. The omnidirectional indoor antenna according to claim 1, wherein: The first reflection component also includes a filling portion connected between the adjacent main body portions; the reflection structure also includes a second reflection component, which is connected to the first reflection component and is arranged opposite to the single-arm vibrator; the dihedral angle formed by the extended surface of the plane where the first reflection component is located and the extended surface of the plane where the main body portion is located is a first dihedral angle, and the dihedral angle formed by the extended surface of the plane where the first reflection component is located and the plane where the filling portion is located is a second dihedral angle; the first dihedral angle is not equal to the second dihedral angle.
3. The omnidirectional indoor antenna according to claim 2, wherein: The first reflective component also includes a plurality of connecting parts connected in sequence, one connecting part is connected to one main body part, and the connecting parts and the main body part connected to each other form an integrated structure; each of the connecting parts is the second reflective component.
4. The omnidirectional room antenna according to claim 2, wherein: The main body and the radiation patch of the radiation structure located thereon are arranged in parallel.
5. The omnidirectional room antenna according to claim 2, wherein: The reflective structure also includes a fixing component, which is connected to a side of the first reflective component facing away from the second reflective component, and the fixing component is configured to be fixed to a bottom plate of the antenna cover.
6. The omnidirectional room antenna according to claim 5, wherein: The fixing assembly includes a first fixing part and a second fixing part, the first fixing part is connected to the main body part, the second fixing part is connected to the filling part, the first fixing part and the second fixing part are both arc-shaped, and the lines connecting the arcs of each of the first fixing parts and the arcs of each of the second fixing parts form a circle.
7. The omnidirectional room antenna according to claim 2, wherein: The reflective structure also includes an auxiliary component, which is connected to the side of the first reflective component facing away from the second reflective component, and the tangent line of any point on the auxiliary component intersects with the extension surface of the plane where the main body is located, and / or the tangent line of any point on the auxiliary component intersects with the extension surface of the plane where the filling part is located.
8. The omnidirectional indoor antenna according to claim 1, wherein: The first reflective component also includes a filling portion connected to the main body; each of the main body and the filling portion is connected to form the first reflective component in a cone shape.
9. The omnidirectional indoor antenna according to claim 1, wherein: The first reflective component also includes a filling portion connected to the main body; each of the main body and the filling portion is connected to form the first reflective component in a plane.
10. The omnidirectional room antenna according to claim 1, wherein: The reflection structure also includes a second reflection component, which is connected to the first reflection component and is arranged opposite to the single-arm vibrator; the main bodies are connected in sequence, and the planes where the main bodies are located form a third dihedral angle with the plane where the first reflection component is located, and the third dihedral angles are equal in size.
11. The omnidirectional indoor antenna according to claim 10, wherein: The main body and the radiation patch of the radiation structure located thereon are arranged in parallel.
12. The omnidirectional room antenna according to any one of claims 1 to 11, wherein: The radiation patch of the radiation structure includes a first radiation patch and a second radiation patch which are sequentially arranged in a direction away from the main body, and there is a certain distance between the first radiation patch and the second radiation patch.
13. The omnidirectional room antenna according to any one of claims 1 to 11, wherein: The outer contour of the main body and the outer contour of the radiation patch are both directional or rectangular.
14. The omnidirectional room antenna according to any one of claims 1 to 11, wherein: It also includes a radome; the vertical polarization unit and the horizontal polarization unit are located in the radome.
15. The omnidirectional room antenna according to any one of claims 1 to 11, wherein: The radiation structure and the reflection structure are fixedly connected via a support member.
16. The omnidirectional room antenna according to claim 15, wherein: The material of the support member includes plastic.
17. The omnidirectional room antenna according to any one of claims 1 to 11, wherein: A dielectric substrate is arranged between the radiation structure and the reflection structure.
18. The omnidirectional room antenna according to claim 17, wherein: The dielectric substrate includes a PCB.
19. An electronic device comprising the omnidirectional room antenna according to any one of claims 1 to 18.
Citation Information
Patent Citations
Indoor distribution omni-directional dual-polarization ceiling antenna
CN104051843A
Dual polarized antenna of indoor distribution system
CN203119097U
Dual polarization omnidirectional ceiling antenna
CN203536568U
Broadband dual polarization OMNI-directional antenna and associated methods
US20150303588A1