Small single-layer integrated wide-beam antenna

Abstract

The utility model belongs to the technical field of antennas, and particularly provides a small-sized single-layer integrated wide-beam antenna which comprises a reflecting plate, a plane is arranged on the upper surface of the reflecting plate, a single-layer dielectric substrate is fixedly connected to the plane, a circular-ring-shaped radiation patch is attached to the single-layer dielectric substrate, and the circular-ring-shaped radiation patch is attached to the reflecting plate. A plurality of feeding points and feeding branches are arranged on the annular radiation patch, a Wilkinson power divider is arranged on the lower surface of the reflecting plate, eight coupling patches are attached to the periphery of the single-layer dielectric substrate, each coupling patch comprises a first folding strip and a second folding strip, and the first folding strips and the annular radiation patch are arranged at intervals. Through the arrangement of the eight coupling patches, the relative bandwidth exceeding 45% is realized, the antenna can work in a larger frequency range, the compatibility of multi-frequency and multi-standard satellite signals is improved, the integration of receiving and sending is realized, and through the combination of the arrangement of the Wilkinson power divider, the types of components are greatly saved, the structure is optimized, and the cost is reduced. And the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to antenna technical field relates to a small -size single -layer integrated wide beam sky antenna. BACKGROUND

[0002] In sky communication (sky communication) application, the antenna for satellite receiving mainly has helical antenna, microstrip patch antenna and parabolic antenna etc., wherein microstrip patch antenna is widely used in the device needing miniaturization design because of its compact structure, light weight, easy integration and low manufacturing cost, for example global positioning system (GPS) receiver, vehicle satellite communication equipment and handheld navigation equipment.

[0003] The invention patent application with the publication number CN119581857A discloses a single-layer wide-beam sky antenna, the above application can effectively widen the radiation angle of the antenna, enhance the receiving and transmitting performance in low elevation direction, make the antenna have good gain in a larger angle range, meet the demand of sky communication system to wide-angle signal receiving, but its antenna bandwidth is limited, which limits the working frequency range of the antenna to a certain extent, makes the receiving and transmitting performance of the antenna limited, and the types of components are more, which makes the structure more complex and the cost higher. UTILITY MODEL CONTENT

[0004] In view of the technical problems in the prior art, the utility model provides a small -size single -layer integrated wide beam sky antenna, including the reflector plate, the upper surface of the reflector plate is provided with a plane, the plane is fixedly connected with single -layer dielectric substrate, the center position of the upper surface of the single -layer dielectric substrate is attached with circular ring radiation patch, the circular ring radiation patch is provided with a plurality of feed points, each feed point is connected with feed branch, each feed branch is connected with lead, the lower surface of the reflector plate is provided with wilkinson power divider, eight coupling patches are attached around the single -layer dielectric substrate, the coupling patch includes first folding strip, the second folding strip is connected with the first folding strip, the first folding strip is attached to the upper surface of the single -layer dielectric substrate, and is spaced apart from the circular ring radiation patch, one section of the second folding strip is attached to the side surface of the single -layer dielectric substrate, another section of the second folding strip is attached to the plane of the reflector plate.

[0005] Further, eight coupling patches are distributed at equal intervals.

[0006] Further, a plurality of feed copper columns are formed inside the single -layer dielectric substrate at the position of the circular ring radiation patch, the feed copper columns correspond to the feed branches one by one and are connected.

[0007] Further, the feed point and the feed branch are spaced apart from the circular ring radiation patch.

[0008] Further, the four feeding copper columns form a square, the four feeding points and the four feeding branches are connected between the feeding points and the feeding copper columns.

[0009] Further, the four feeding branches are connected to the circular ring radiation patch through four lead wires respectively.

[0010] Further, the reflection plate and the single-layer dielectric substrate are both planar circular plates, and the upper surface area of the reflection plate is larger than the lower surface area of the single-layer dielectric substrate.

[0011] Further, the width of the circular ring radiation patch is greater than 5mm.

[0012] Further, the plane of the reflection plate is a metal plane.

[0013] Beneficial effects:

[0014] 1. In the utility model, the single-layer dielectric substrate is arranged to avoid the complexity of the multi-layer structure, reduce the damage risk, improve the environmental adaptability and damage resistance of the antenna, and be especially suitable for outdoor or harsh environment applications. The eight coupling patches including the first folding strip, the second folding strip connected with the first folding strip, and the coupling patches coupled with the circular ring radiation patch are arranged to increase the bandwidth, realize a relative bandwidth of more than 45%, enable the antenna to work in a larger frequency range, improve the compatibility of multiple frequencies and multiple satellite signal systems, realize the integration of receiving and transmitting, reduce the installation precision, and combine the Wilkinson power divider to provide an equal feeding signal for the dielectric antenna, greatly save the types of components, optimize the structure, and reduce the cost.

[0015] 2. In the utility model, the four feeding copper columns form a square to provide a 90-degree phase difference input for the four feeding branches, realize multi-point coupling, increase the antenna bandwidth and signal transmission stability, the four feeding branches are connected to the circular ring radiation patch through four lead wires respectively to further increase the antenna bandwidth and beam width, and the width of the circular ring radiation patch is greater than 5mm to further increase the antenna bandwidth and beam width.

[0016] 3. In the utility model, the plane of the reflection plate is a metal plane to be used as the GND plane of the single-layer dielectric substrate. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0019] Figure 2 It is a top view of the present application.

[0020] Figure 3 It is a bottom view of the present application.

[0021] Explanation of reference signs:

[0022] 1, reflector plate; 2, single-layer dielectric substrate; 3, circular ring-shaped radiation patch; 4, feed point; 5, feed branch; 6, lead wire; 7, Wilkinson power divider; 8, coupled patch; 81, first folding strip; 82, second folding strip; 9, feed copper column; 10, metal plane. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a lot of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0024] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In addition, the terms "first", "second", "third", etc. are used herein only to describe various conditions, and should not be construed to refer to relative importance or to imply the number of indicated technical features. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0026] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be directly contacted by the first and second features, or indirectly contacted by the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0028] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment.

[0029] The utility model provides a kind of small single-layer integrated wide-beam sky antenna, such as Figure 1 、 Figure 2 And Figure 3As shown, it comprises a reflecting plate 1, the upper surface of the reflecting plate 1 is provided with a plane, a single-layer dielectric substrate 2 is fixedly connected to the plane, the reflecting plate 1 and the single-layer dielectric substrate 2 are both planar circular plates, the upper surface area of the reflecting plate 1 is larger than the lower surface area of the single-layer dielectric substrate 2, specifically, the diameter of the reflecting plate 1 is 60mm, the thickness is 1mm, the diameter of the single-layer dielectric substrate 2 is 55mm, the thickness is 10mm, the single-layer dielectric substrate 2 and the reflecting plate 1 are connected and fixed through a screw and a nut, the material of the screw and the nut is 304 stainless steel, a circular ring-shaped radiation patch 3 is attached to the center position of the upper surface of the single-layer dielectric substrate 2, forming a radiation element of an antenna, circularly polarized waves of specific frequencies are realized through the circular ring structure, and the polarization performance of the antenna is enhanced, a plurality of feed points 4 are arranged on the circular ring-shaped radiation patch 3, each feed point 4 is connected with a feed branch 5, and each feed branch 5 is connected with a lead wire 6, a Wilkinson power divider 7 is arranged on the lower surface of the reflecting plate 1, eight coupling patches 8 are attached around the single-layer dielectric substrate 2, the eight coupling patches 8 are distributed at equal intervals, and the coupling patch 8 comprises a first folding strip 81 and a second folding strip 82 connected with the first folding strip 81, the first folding strip 81 is attached to the upper surface of the single-layer dielectric substrate 2 and is arranged at intervals between the circular ring-shaped radiation patch 3, so that the coupling patch 8 is coupled with the circular ring-shaped radiation patch 3, the antenna bandwidth is increased, one section of the second folding strip 82 is attached to the side surface of the single-layer dielectric substrate 2, and the other section of the second folding strip 82 is attached to the plane of the reflecting plate 1.

[0030] In the embodiment, by adopting the arrangement of the single-layer dielectric substrate 2, the complexity of the multi-layer structure is avoided, the damage risk is reduced, the environmental adaptability and the damage resistance of the antenna are improved, and the antenna is particularly suitable for outdoor or harsh environment applications, by arranging the eight coupling patches 8 comprising the first folding strip 81 and the second folding strip 82 connected with the first folding strip 81 and the coupling of the coupling patch 8 and the circular ring-shaped radiation patch 3, the bandwidth can be increased, a relative bandwidth of more than 45% is realized, the antenna can work in a larger frequency range, the compatibility of the antenna to multi-frequency and multi-standard satellite signals is improved, the integration of receiving and transmitting is realized, the installation precision is reduced, the Wilkinson power divider 7 is arranged, equal division of the feed signal can be provided for the dielectric antenna, the types of components are greatly saved, the structure is optimized, and the cost is reduced.

[0031] In the utility model, preferably, as Figure 1 and Figure 2As shown, the single-layer dielectric substrate 2 is internally provided with a plurality of feeding copper columns 9 at the position of the circular ring-shaped radiation patch 3, the feeding copper columns 9 correspond to the feeding branches 5 one by one and are connected; the feeding points 4 and the feeding branches 5 are both arranged in a spaced manner with the circular ring-shaped radiation patch 3, and the feeding points 4 and the feeding branches 5 both form coupled feeding with the circular ring-shaped radiation patch 3; the feeding copper columns 9 are four, the four feeding copper columns 9 enclose a square, the feeding points 4 are four, the feeding branches 5 are four, and the feeding points 4 and the feeding copper columns 9 are connected through the feeding branches 5.

[0032] In the embodiment, through the arrangement that the four feeding copper columns 9 enclose a square, the feeding branches 5 and the feeding branches 5 form coupled feeding with the circular ring-shaped radiation patch 3 through the feeding copper columns 9, the four feeding copper columns 9 provide input with a phase difference of 90 degrees for the four feeding branches 5 and the four feeding points 4, realize that the four feeding branches 5 and the four feeding points 4 have equal amplitude and the phase difference is 90 degrees, realize multi-point coupling, and increase the antenna bandwidth and signal transmission stability.

[0033] In the utility model, preferably, as Figure 1 And Figure 2 As shown, the four feeding branches 5 are connected with the circular ring-shaped radiation patch 3 through the four lead wires 6.

[0034] In the embodiment, the four feeding branches 5 form secondary direct feeding with the circular ring-shaped radiation patch 3 through the four lead wires 6, further increase the antenna bandwidth and beam width.

[0035] In the utility model, preferably, as Figure 1 As shown, the width of the circular ring-shaped radiation patch 3 is greater than 5mm.

[0036] In the embodiment, through the arrangement that the width of the circular ring-shaped radiation patch 3 is greater than 5mm, the antenna bandwidth and beam width can be further increased.

[0037] In the utility model, preferably, as Figure 1 As shown, the plane of the reflecting plate 1 is a metal plane 10.

[0038] In the embodiment, through the arrangement that the plane of the reflecting plate 1 is a metal plane 10, the GND plane of the single-layer dielectric substrate 2 can be used.

[0039] The technical features of the above-described embodiments can be combined arbitrarily, in order to make the description simple, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that it is the scope of the present application.

[0040] The above embodiments only express several implementation ways of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation to the patent scope of the application. It should be pointed out that for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A small-sized single-layer integrated wide-beam antenna, comprising a reflecting plate (1), the upper surface of the reflecting plate (1) being provided with a plane, a single-layer dielectric substrate (2) being fixedly connected to the plane, a circular-ring-shaped radiation patch (3) being attached to the center position of the upper surface of the single-layer dielectric substrate (2), a plurality of feed points (4) being provided on the circular-ring-shaped radiation patch (3), a feed branch (5) being connected to each feed point (4), and a lead wire (6) being connected to each feed branch (5), characterized in that, The lower surface of the reflector plate (1) is provided with a Wilkinson power divider (7), eight coupling patches (8) are attached around the single-layer dielectric substrate (2), the coupling patch (8) comprises a first folding strip (81), a second folding strip (82) connected with the first folding strip (81), the first folding strip (81) is attached to the upper surface of the single-layer dielectric substrate (2) and is arranged with a circular ring-shaped radiation patch (3) in a spaced manner, one section of the second folding strip (82) is attached to the side surface of the single-layer dielectric substrate (2), and the other section of the second folding strip (82) is attached to the plane of the reflector plate (1).

2. A compact, single-layer, integrated wide-beam skyhook antenna according to claim 1, wherein, Eight coupling patches (8) are equally spaced.

3. The compact, single-layer, integrated wide-beam skyhook antenna of claim 2, wherein: The single-layer dielectric substrate (2) is internally provided with a plurality of feeding copper columns (9) at the position of the circular ring-shaped radiation patch (3), the feeding copper columns (9) correspond to the feeding branches (5) one by one and are connected.

4. The compact, single-layer, integrated wide-beam skyhook antenna of claim 3, wherein: The feeding point (4) and the feeding branch (5) are both arranged in a spaced manner with the circular ring-shaped radiation patch (3).

5. A compact, single-layer, integrated wide-beam skyhook antenna according to claim 4, wherein, The feeding copper column (9) is four, the four feeding copper columns (9) form a square, the feeding point (4) is four, the feeding branch (5) is four, and the feeding point (4) and the feeding copper column (9) are connected through the feeding branch (5).

6. A compact, single-layer, integrated wide-beam skyhook antenna according to claim 5, wherein, Four feeding branches (5) are connected with the circular ring-shaped radiation patch (3) through four lead lines (6) respectively.

7. A compact, single-layer, integrated wide-beam antenna according to any one of claims 1 to 6, characterized in that, The reflector plate (1) and the single-layer dielectric substrate (2) are both planar circular plates, the upper surface area of the reflector plate (1) is greater than the lower surface area of the single-layer dielectric substrate (2).

8. The compact, single-layer, integrated wide-beam skyhook antenna of claim 7, wherein, The width of the circular ring-shaped radiation patch (3) is greater than 5mm.

9. The compact, single-layer, integrated wide-beam skyhook antenna of claim 1, wherein, The plane of the reflector plate (1) is a metal plane (10).

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