A broadband omnidirectional phased array antenna

Abstract

The application discloses a broadband omnidirectional shaped antenna, and relates to the technical field of antennas, which comprises a cylindrical cover, a PCB board, a plurality of groups of half-wave dipoles, a plurality of support components and a joint, wherein the PCB board is arranged in the cylindrical cover; the plurality of groups of half-wave dipoles are clamped on the PCB board at a first distance; the plurality of support components are clamped on the PCB board, and the outer edges of the support components are attached to the cylindrical cover; and the joint is connected to the opening of the cylindrical cover. The application has higher communication capacity, low cost and can guarantee communication quality.

Description

Technical Field

[0001] This application relates to the field of antenna technology, and in particular to a broadband omnidirectional shaped antenna. Background Technology

[0002] With the arrival of the 5G era, the Internet of Things (IoT) has brought many conveniences to our daily lives. Omnidirectional fiberglass antennas, with their omnidirectional coverage, high gain, and strong environmental adaptability, are a crucial part of my country's IoT deployment.

[0003] Currently, most omnidirectional fiberglass antennas on the market operate in the 700-1000MHz (UHF band) frequency range, using metal elements to radiate energy. However, this approach suffers from limited bandwidth, insufficient capacity, and high cost, making it difficult to meet the deployment needs of densely populated areas.

[0004] Therefore, there is an urgent need to develop an antenna with higher communication capacity, lower cost, and guaranteed communication quality. Summary of the Invention

[0005] The main objective of this application is to at least solve one of the technical problems existing in the prior art, and to propose a broadband omnidirectional shaped antenna that has higher communication capacity, lower cost and can guarantee communication quality.

[0006] To achieve the above objectives, embodiments of this invention propose a broadband omnidirectional shaped antenna, comprising: a cylindrical outer cover, a PCB board, multiple sets of half-wave dipoles, multiple support components, and a connector;

[0007] The PCB board is disposed inside the cylindrical outer cover;

[0008] Multiple sets of the aforementioned half-wave oscillators are clipped onto the PCB board at a first distance interval;

[0009] Multiple support components are snapped onto the PCB board, and the outer edges of the support components are in contact with the cylindrical outer cover;

[0010] The connector is connected to the opening of the cylindrical outer cover.

[0011] According to an embodiment of the present invention, a broadband omnidirectional shaped antenna has at least the following beneficial effects: First, by using a PCB board instead of a traditional metal vibrator, the antenna bandwidth is broadened and the communication capacity is increased, enabling the antenna to operate in the frequency range of 3300MHz-3800MHz. Furthermore, the antenna size is reduced, the cost is lowered, and the production efficiency is improved. Second, multiple support components are snapped onto the PCB board, with the outer edges of the support components fitting against the cylindrical outer cover. Under the support of these multiple support components, the PCB board and the multiple sets of half-wave vibrators located on the PCB board are prevented from swaying within the cylindrical outer cover, thus preventing damage to the PCB board and the multiple sets of half-wave vibrators located on the PCB board and improving the stability and service life of the antenna.

[0012] In some embodiments, each group of half-wave oscillators includes a first oscillator arm and a second oscillator arm, the first oscillator arm and the second oscillator arm having the same size and structure, and the first oscillator arm and the second oscillator arm being snapped onto the PCB board in parallel and symmetrically.

[0013] In some embodiments, the device further includes a plurality of first loading plates and a plurality of second loading plates, wherein every two first loading plates are attached to the front side of the first oscillator arm in a left-right symmetrical manner, and every two second loading plates are attached to the back side of the first oscillator arm in a left-right symmetrical manner.

[0014] In some embodiments, the first vibrator arm includes a first horizontal plate, a first vertical plate, and a second vertical plate. One end of the first vertical plate is connected to one end of the first horizontal plate, and the other end of the first vertical plate is snapped onto the PCB board. One end of the second vertical plate is connected to the other end of the first horizontal plate, and the other end of the second vertical plate is snapped onto the PCB board.

[0015] In some embodiments, the first loading piece includes a first panel and a first extension branch connected to the first panel, the first panel covering the front side of the first vertical plate, and the first extension branch abutting the lower edge of the first horizontal plate; the second loading piece includes a second panel and a second extension branch connected to the second panel, the second panel covering the back side of the first vertical plate, and the second extension branch abutting the upper edge of the first horizontal plate.

[0016] In some embodiments, each support component includes two semi-circular snap-fit ​​pieces, which are snapped onto the PCB board to form a circular support component.

[0017] In some embodiments, a snap-fit ​​groove is provided on the semi-circular snap-fit ​​component, and a plurality of cables are provided on the front side of the PCB board. The snap-fit ​​groove is used to snap onto the PCB board and to allow the cables to pass through. The cables are used for power supply.

[0018] In some embodiments, a connector is further included, one end of which is connected to the PCB board and the other end of which is connected to the connector.

[0019] In some embodiments, a first microstrip line is provided at both ends of the back side of the PCB board, and a slow wave structure is provided on the first microstrip line. A plurality of second microstrip lines are also provided on the back side of the PCB board, and the plurality of second microstrip lines are disposed between two first microstrip lines.

[0020] In some embodiments, a power divider is also included, which is disposed in the middle of the back side of the PCB board. Attached Figure Description

[0021] The accompanying drawings are provided to further understand the technical solutions of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0023] Figure 1 This is a schematic diagram of the internal structure of a broadband omnidirectional shaped antenna provided by the present invention;

[0024] Figure 2 This is a schematic diagram of the overall structure of a broadband omnidirectional shaped antenna provided by the present invention;

[0025] Figure 3 This is a schematic diagram of the back structure of the PCB board in a broadband omnidirectional shaped antenna provided by the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the first loading piece in a broadband omnidirectional shaped antenna provided by the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the second loading piece in a broadband omnidirectional shaped antenna provided by the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of the first microstrip line in a broadband omnidirectional shaped antenna provided by the present invention;

[0029] Figure 7 This is a schematic diagram of the structure of the second microstrip line in a broadband omnidirectional shaped antenna provided by the present invention;

[0030] Figure 8 This is a schematic diagram of the structure of the support component in a broadband omnidirectional shaped antenna provided by the present invention;

[0031] Figure 9 This is a schematic diagram of the gain and vertical plane wavelength of a broadband omnidirectional shaped antenna provided by the present invention;

[0032] Figure 10 This is a schematic diagram of the antenna standing wave ratio of a broadband omnidirectional shaped antenna provided by the present invention;

[0033] Figure 11 This invention provides a broadband omnidirectional shaped antenna with a radiation pattern when no loading patch is added.

[0034] Figure 12 This invention provides a broadband omnidirectional shaped antenna with a loading patch added, showing its radiation pattern. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0036] It should be noted that the terms "first," "second," etc., in the specification, claims, and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of this application only and is not intended to limit this application.

[0038] Currently, most omnidirectional fiberglass antennas on the market operate in the 700-1000MHz (UHF band) frequency range, using metal elements to radiate energy. However, this approach suffers from limited bandwidth, insufficient capacity, and high cost, making it difficult to meet the deployment needs of densely populated areas.

[0039] Based on this, embodiments of the present invention provide a broadband omnidirectional shaped antenna that has higher communication capacity, lower cost, and can guarantee communication quality.

[0040] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0041] Reference Figures 1-3This invention application proposes a broadband omnidirectional shaped antenna, comprising: a cylindrical outer cover 100, a PCB board 200, multiple sets of half-wave dipoles 300, multiple support components 400, and a connector 500; the PCB board 200 is disposed inside the cylindrical outer cover 100; the multiple sets of half-wave dipoles 300 are snapped onto the PCB board 200 at a first distance; the multiple support components 400 are snapped onto the PCB board 200, and the outer edge of the support components 400 is in contact with the cylindrical outer cover 100; the connector 500 is connected to the opening of the cylindrical outer cover 100.

[0042] According to an embodiment of the present invention, a broadband omnidirectional shaped antenna is provided. First, by using a PCB board 200 instead of a traditional metal vibrator, the antenna bandwidth is broadened and the communication capacity is increased, enabling the antenna to operate in the frequency range of 3300MHz-3800MHz. Furthermore, the antenna size is reduced, antenna cost is lowered, and antenna production efficiency is improved. Second, multiple support components 400 are snapped onto the PCB board 200, with the outer edge of the support component 400 fitting against the cylindrical outer cover 100. Under the support of the multiple support components 400, the PCB board 200 and the multiple sets of half-wave vibrators 300 located on the PCB board 200 are prevented from swaying within the cylindrical outer cover 100, thus preventing damage to the PCB board 200 and the multiple sets of half-wave vibrators 300 located on the PCB board 200, and improving the stability and service life of the antenna.

[0043] Understandably, using an integrated PCB vibrator instead of a traditional metal vibrator allows for a more compact antenna size due to the shorter wavelength, thus improving space utilization. Furthermore, in terms of application scenarios, the 3300MHz-3800MHz band is commonly used for high-speed data transmission, wireless backhaul, and some 5G communications. These scenarios require high bandwidth to support the transmission of large amounts of data, and this band has strong penetration capabilities, effectively penetrating obstacles such as buildings and trees. It is suitable for urban hotspots, indoor coverage, and other environments, ensuring communication quality even in densely populated areas.

[0044] Preferably, 6 sets of half-wave oscillators 300 and 4 support components 400 are provided on the PCB board 200. The 6 sets of half-wave oscillators 300 are snapped onto the PCB board 200 at a first distance apart. A support component 400 is provided every two sets of half-wave oscillators 300 or every set of half-wave oscillators 300.

[0045] Preferably, the first distance is 24.2 mm. In this application, the size of the first distance is not limited in too much.

[0046] It should be noted that the support component 400 is circular, the snap-fit ​​area of ​​the support component 400 is parallel to the wide side of the PCB board 200, and the outer edge of the circular support component 400 is in contact with the cylindrical outer cover 100.

[0047] Preferably, the cylindrical outer cover 100 is made of fiberglass material, and the connector 500 is an N-Female type connector.

[0048] In some embodiments, refer to Figure 1 Each half-wave oscillator 300 includes a first oscillator arm 310 and a second oscillator arm 320. The first oscillator arm 310 and the second oscillator arm 320 have the same size and structure. The first oscillator arm 310 and the second oscillator arm 320 are parallel and symmetrically snapped onto the PCB board 200.

[0049] It should be noted that, referring to Figure 3 Multiple first slots 210 are formed on the PCB board 200. The PCB board 200 is a square board, and the first slots 210 are parallel to the long side of the PCB board 200.

[0050] Furthermore, the first vibrating arm 310 and the second vibrating arm 320 are first snapped into the first groove 210 on the PCB board 200, and then the first vibrating arm 310 and the second vibrating arm 320 are soldered to the PCB board 200 to fix the first vibrating arm 310 and the second vibrating arm 320.

[0051] In some embodiments, refer to Figure 1 , Figure 4 as well as Figure 5 It also includes multiple first loading plates 610 and multiple second loading plates 620, wherein every two first loading plates 610 are attached to the front of the first oscillator arm 310 in a left-right symmetrical manner, and every two second loading plates 620 are attached to the back of the first oscillator arm 310 in a left-right symmetrical manner.

[0052] It should be noted that the circularity of the radiation pattern is an important indicator for omnidirectional antennas. Since multiple half-wave dipoles 300 are located on the PCB board 200, it is difficult to guarantee the circularity of their radiation pattern. Therefore, the circularity of the radiation pattern is optimized by adding a first loading piece 610 and a second loading piece 620 to the dipole arm.

[0053] In some embodiments, refer to Figure 1 , Figure 4 The first vibrating arm 310 includes a first horizontal plate, a first vertical plate, and a second vertical plate. One end of the first vertical plate is connected to one end of the first horizontal plate, and the other end of the first vertical plate is snapped onto the PCB board 200. One end of the second vertical plate is connected to the other end of the first horizontal plate, and the other end of the second vertical plate is snapped onto the PCB board 200.

[0054] It should be noted that in the first vibrator arm 310, the other end of the first vertical plate and the other end of the second vertical plate are respectively snapped into the first groove 210 on the PCB board 200. Then, the first vertical plate and the second vertical plate are soldered to the PCB board 200 to fix the first vibrator arm 310 and the second vibrator arm 320. After the first vertical plate and the second vertical plate are inserted into the PCB board 200, the first horizontal plate is located on the front of the PCB board 200.

[0055] In some embodiments, refer to Figure 4 , Figure 5 The first loading plate 610 includes a first panel 611 and a first extension branch 612 connected to the first panel 611. The first panel 611 covers the front side of the first vertical plate, and the first extension branch 612 is attached to the lower edge of the first horizontal plate. The second loading plate 620 includes a second panel 621 and a second extension branch 622 connected to the second panel 621. The second panel 621 covers the back side of the first vertical plate, and the second extension branch 622 is attached to the upper edge of the first horizontal plate.

[0056] It should be noted that both the first loading piece 610 and the second loading piece 620 can optimize the roundness index of the radiation pattern. The first panel 611 and the second panel 621 have the same size and structure, while the area of ​​the first extension branch 612 is smaller than the area of ​​the second extension branch 622. This can further reduce material costs while ensuring that the function of optimizing the roundness index of the radiation pattern is achieved.

[0057] It should be noted that, referring to Figure 5 When the two second loading plates 620 are attached to the back of the first oscillator arm 310 in a symmetrical manner, the second panels 621 of the two second loading plates 620 and the second extension branches 622 form an inverted U-shaped structure.

[0058] It should be noted that the antenna design without a loading plate on the vibrating arm, as demonstrated in simulation experiments, shows... Figure 11 As shown, within the operating frequency range of 3300MHz-3800MHz, the voltage difference between the two peak values ​​is between 1.02 and 1.50. After welding the first loading piece 610 and the second loading piece 620 onto the vibrator arm, simulation experiments show that... Figure 12 As shown, within the operating frequency range of 3300MHz-3800MHz, the voltage difference between the two peak values ​​is between 0.34 and 0.39, with most of it concentrated at 0.39, indicating greater stability.

[0059] In some embodiments, refer to Figure 1 , Figure 8Each support component 400 includes two semi-circular snap-fit ​​pieces 410, which are snapped onto the PCB board 200 to form a circular support component 400.

[0060] Preferably, the semi-circular snap-fit ​​part 410 is made of epoxy resin board material.

[0061] It should be noted that after the two semi-circular clips 410 are respectively clipped onto the PCB board 200 to form a circular support component 400, the contact points between the two semi-circular clips 410 and the contact points between the two semi-circular clips 410 and the PCB board 200 are fixed together by welding.

[0062] In some embodiments, refer to Figure 8 A snap-fit ​​groove 411 is provided on the semi-circular snap-fit ​​part 410, and multiple cables 700 are provided on the front side of the PCB board 200. The snap-fit ​​groove 411 is used to snap-fit ​​with the PCB board 200 and to allow the cables 700 to pass through. The cables 700 are used for power supply.

[0063] It should be noted that the snap-fit ​​slot 411 includes a narrow slot and a wide slot. The narrow slot fits against the edge of the PCB board 200, eliminating the need to cut slots in the PCB board 200 to fix the semi-circular snap-fit ​​component 410, thus reducing manufacturing processes and lowering production costs. The wide slot provides sufficient space for the cable 700 to pass through, allowing for the direct use of a shorter, straight cable 700 for power supply, without the need to design the cable 700 to be curved to bypass the snap-fit ​​slot 411. This reduces costs and improves space utilization.

[0064] In some embodiments, refer to Figure 3 It also includes a connector 800, one end of which is connected to the PCB board 200, and the other end of which is connected to the connector 500.

[0065] It should be noted that one end of the connector 800 has two through holes, and two nylon rivets are used to pass through the through holes to fix the connector 800 to the PCB board 200.

[0066] Preferably, the connector 800 is made of plastic.

[0067] In some embodiments, refer to Figure 3 , Figure 6 A first microstrip line 910 is provided at both ends of the back side of the PCB board 200. A slow wave structure 911 is provided on the first microstrip line 910. A plurality of second microstrip lines 920 are also provided on the back side of the PCB board 200, and the plurality of second microstrip lines 920 are disposed between two first microstrip lines 910.

[0068] Preferably, two second microstrip lines 920 are provided on the back side of the PCB board 200, and are arranged on the back side of the PCB board 200 in the order of first microstrip line 910, second microstrip line 920, second microstrip line 920, and first microstrip line 910. The two first microstrip lines 910 are respectively located below the two sets of half-wave oscillators 300 at the beginning and end of the PCB board 200, and the two second microstrip lines 920 are respectively located below the remaining four sets of half-wave oscillators 300.

[0069] It should be noted that, referring to Figure 6 The first microstrip line 910 also includes a bifurcation member 912, a first line segment 913, and a first cable feed port 914. The bifurcation member 912 is connected to one end of the slow-wave structure 911, the other end of the slow-wave structure 911 is connected to one end of the first line segment 913, and the other end of the first line segment 913 is connected to the first cable feed port 914. Feed points are provided at both ends of the bifurcation member 912, and the first cable feed port 914 has two feed points. The two ends of the bifurcation members 912 of the two first microstrip lines 910 extend to the bottom of the first oscillator arm 310 and the second oscillator arm 320 of the two sets of half-wave oscillators 300 located at the beginning and end of the PCB board 200, respectively. Figure 3 As shown, the first microstrip line 910 is connected to the two sets of half-wave oscillators 300 located at the beginning and end of the PCB board 200.

[0070] It should be noted that, referring to Figure 7 The second microstrip line 920 includes two branch members 912, two second segments 921, and a second cable feed port 922. The two second segments 921 are located between the two branch members 912, and the second cable feed port 922 is located between the two second segments 921. Each end of the branch member 912 has a feed point, and the second cable feed port 922 has one feed point. The two ends of the four branch members 912 of the two second microstrip lines 920 extend to the bottom of the first oscillator arm 310 and the second oscillator arm 320 of the four sets of half-wave oscillators 300 located in the middle of the PCB board 200, so as to realize the feed connection between the second microstrip line 920 and the four sets of half-wave oscillators 300 located in the middle of the PCB board 200.

[0071] Furthermore, by providing multiple cables 700 on the front side of the PCB board 200, a feed point of the first cable feed port 914 in the first microstrip line 910 is connected to the feed point of the second cable feed port 922 of the second microstrip line 920 via the cables 700.

[0072] It should be noted that, because the half-wave dipoles 300 are vertically distributed, the phase and amplitude of each half-wave dipole 300 are inconsistent. By setting different lengths of the first microstrip line 910 and the second microstrip line 920, the phase and amplitude of the antenna are adjusted to achieve optimal performance. Furthermore, simulation experiments show that the antenna's VSWR is below 1.4 in the operating frequency range of 3300MHz-3800MHz. Figure 10 As shown; the antenna gain reaches 9.7, as... Figure 9 As shown.

[0073] In some embodiments, refer to Figure 3 It also includes a power divider 1000, which is located in the middle of the back side of the PCB board 200.

[0074] Preferably, the power divider 1000 is a 1-to-2 power divider 1000.

[0075] In some embodiments, a first microstrip line 910 is provided at both ends of the back side of the PCB board 200, and a slow wave structure 911 is provided on the first microstrip line 910. A plurality of second microstrip lines 920 are also provided on the back side of the PCB board 200, and the plurality of second microstrip lines 920 are disposed between two first microstrip lines 910. The power divider 1000 is disposed between two second microstrip lines 920.

[0076] It should be noted that the other feed point of the first cable feed port 914 in the two first microstrip lines 910 is connected to the two output ports of the 1-to-2 power divider 1000 via cable 700. Thus, connector 500 can connect to the two sets of half-wave dipoles 300 located at the beginning and end of the PCB board 200 via the power divider 1000. However, when the antenna is excited by a signal, the two sets of half-wave dipoles 300 located at the beginning and end of the PCB board 200 will receive the excitation signal first; each set of half-wave dipoles 300 cannot receive the excitation signal simultaneously.

[0077] Furthermore, by adding a slow-wave structure 911 to the first microstrip line 910, the time for the two sets of half-wave oscillators 300 located at the beginning and end of the PCB board 200 to receive the excitation signal is delayed, so that each set of half-wave oscillators 300 can receive the excitation signal simultaneously.

[0078] In some embodiments, refer to Figure 1The system comprises a cylindrical outer casing 100, a PCB board 200, multiple sets of half-wave oscillators 300, multiple support components 400, and a connector 500. The PCB board 200 is disposed inside the cylindrical outer casing 100. Multiple sets of half-wave oscillators 300 are snapped onto the PCB board 200 at intervals of a first distance. Multiple support components 400 are snapped onto the PCB board 200, with the outer edges of the support components 400 fitting against the cylindrical outer casing 100. The connector 500 connects to an opening in the cylindrical outer casing 100. Each set of half-wave oscillators 300 includes a first oscillator arm 310 and a second oscillator arm 320, the first oscillator arm 310 and the second oscillator arm 320 being identical in size and structure, and parallel to each other. It is symmetrically snapped onto the PCB board 200; a snap-fit ​​groove 411 is provided on the semi-circular snap-fit ​​part 410, and multiple cables 700 are provided on the front side of the PCB board 200. The snap-fit ​​groove 411 is used to snap onto the PCB board 200 and to allow the cables 700 to pass through. The cables 700 are used for power supply; a first microstrip line 910 is provided at both ends of the back side of the PCB board 200, and a slow wave structure 911 is provided on the first microstrip line 910. Multiple second microstrip lines 920 are also provided on the back side of the PCB board 200, and the multiple second microstrip lines 920 are arranged between two first microstrip lines 910; it also includes a power divider 1000, which is located in the middle of the back side of the PCB board 200.

[0079] It should be noted that, since the first arms 310 of the multiple sets of half-wave dipoles 300 form an equally spaced linear array along the longitudinal direction of the PCB board 200, and the second arms 320 of the multiple sets of half-wave dipoles 300 are arranged in parallel with the first arms 310 in a mirror-symmetric manner, sufficient space can be reserved in the PCB board 200 between the first arms 310 and the second arms 320 of each set of half-wave dipoles 300 for the installation of multiple cables 700, multiple first microstrip lines 910, multiple second microstrip lines 920, and power divider 1000. This not only ensures antenna performance but also helps to improve the space utilization of the PCB board 200.

[0080] Obviously, the embodiments described above are merely some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the scope of protection of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.

Claims

1. A broadband omnidirectional shaped antenna, characterized in that, include: Cylindrical outer casing; A PCB board, wherein the PCB board is disposed inside the cylindrical outer cover; Multiple sets of half-wave oscillators are attached to the PCB board at a first distance interval; Multiple support components are snapped onto the PCB board, and the outer edges of the support components are fitted to the cylindrical outer cover; A connector that connects to the opening of the cylindrical outer cover; in: Each set of half-wave oscillators includes a first oscillator arm and a second oscillator arm. The first oscillator arm and the second oscillator arm have the same size and structure. The first oscillator arm and the second oscillator arm are parallel and symmetrically snapped onto the PCB board. It also includes multiple first loading plates and multiple second loading plates, wherein every two first loading plates are attached to the front of the first oscillator arm in a left-right symmetrical manner, and every two second loading plates are attached to the back of the first oscillator arm in a left-right symmetrical manner. The first vibrator arm includes a first horizontal plate, a first vertical plate, and a second vertical plate. One end of the first vertical plate is connected to one end of the first horizontal plate, and the other end of the first vertical plate is clipped onto the PCB board. One end of the second vertical plate is connected to the other end of the first horizontal plate, and the other end of the second vertical plate is clipped onto the PCB board.

2. The broadband omnidirectional shaped antenna according to claim 1, characterized in that, The first loading piece includes a first panel and a first extension branch connected to the first panel. The first panel covers the front side of the first vertical plate, and the first extension branch is attached to the lower edge of the first horizontal plate. The second loading piece includes a second panel and a second extension branch connected to the second panel. The second panel covers the back side of the first vertical plate, and the second extension branch is attached to the upper edge of the first horizontal plate.

3. The broadband omnidirectional shaped antenna according to claim 1, characterized in that, Each support component includes two semi-circular snap-fit ​​pieces, which are snapped onto the PCB board to form a circular support component.

4. The broadband omnidirectional shaped antenna according to claim 3, characterized in that, A snap-fit ​​groove is provided on the semi-circular snap-fit ​​component, and multiple cables are provided on the front side of the PCB board. The snap-fit ​​groove is used to snap onto the PCB board and to allow the cables to pass through. The cables are used for power supply.

5. The broadband omnidirectional shaped antenna according to claim 1, characterized in that, It also includes a connector, one end of which is connected to the PCB board and the other end of which is connected to the connector.

6. The broadband omnidirectional shaped antenna according to claim 1, characterized in that, First microstrip lines are provided at both ends of the back side of the PCB board, and slow wave structures are provided on the first microstrip lines. Multiple second microstrip lines are also provided on the back side of the PCB board, and the multiple second microstrip lines are disposed between two first microstrip lines.

7. The broadband omnidirectional shaped antenna according to claim 1, characterized in that, It also includes a power divider, which is located in the middle of the back side of the PCB board.

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