antenna

Abstract

This application discloses an antenna, including an antenna cover, an antenna base plate, a filter, a connector, and a baseband board. The antenna cover and the antenna base plate are correspondingly arranged, and the filter is disposed between the antenna base plate and the baseband board. It also includes a metal strip assembly disposed between the antenna cover and the antenna base plate, with the antenna cover and the antenna base plate pressing the metal strip assembly together. A feed loop and a power amplifier network connecting the feed loop are disposed on the metal strip assembly. The filter is a metal filter, and multiple filters are connected to the metal strip assembly and the baseband board respectively through multiple connectors. The multiple filters are arranged on the side of the antenna base plate away from the metal strip assembly and are connected to the antenna base plate. The orthographic projection of the filter on the antenna base plate does not overlap with the orthographic projection of the feed loop on the antenna base plate. This application reduces the overall height of the antenna through the above methods.

Description

Technical Field

[0001] This application relates to the field of communication technology, and in particular to an antenna. Background Technology

[0002] Antennas typically consist of a vibrator power divider network, a coupling calibration network, and a filter. Integrating these components into a single design to minimize costs, reduce weight, and shrink product size is one of the key directions in 5G antenna structure technology research and development.

[0003] In current antennas, the back of the antenna base plate is not flat; it has some protrusions. If the filter is installed in the conventional way, the mounting surface must be raised to the height of the protrusions, which will make the overall AFU taller and thus increase the thickness of the base station. Summary of the Invention

[0004] The purpose of this application is to provide an antenna that reduces the overall height of the antenna.

[0005] This application discloses an antenna, including an antenna cover plate, an antenna base plate, a filter, a connector, and a baseband board. The antenna cover plate and the antenna base plate are correspondingly disposed, and the filter is disposed between the antenna base plate and the baseband board. The antenna also includes a metal strip assembly disposed between the antenna cover plate and the antenna base plate, with the antenna cover plate and the antenna base plate pressing against the metal strip assembly. The metal strip assembly has a feed loop and a power amplifier network connected to the feed loop. The filter is a metal filter, and there are multiple filters and multiple connectors. The multiple filters are respectively connected to the metal strip assembly and the baseband board through the multiple connectors. The multiple filters are arranged on the side of the antenna base plate away from the metal strip assembly and are connected to the antenna base plate. The orthographic projection of the filter on the antenna base plate does not overlap with the orthographic projection of the feed loop on the antenna base plate.

[0006] Optionally, the metal strip assembly includes a metal strip, and the feed ring and the power divider network are disposed on the metal strip; a plurality of recesses are formed directly below the feed ring, and a plurality of protrusions corresponding to the recesses are formed on the back of the antenna base plate; the filter is fixed on the antenna base plate and is disposed to avoid the protrusions.

[0007] Optionally, the boss includes at least two first bosses, which are arranged along the centerline of the antenna base plate, and each first boss has two filters arranged on both sides of the centerline of the antenna base plate, with the two filters arranged in rotational symmetry with respect to the first boss; the connector includes a power amplifier connector and an antenna connector, both of which are arranged close to the centerline of the antenna base plate.

[0008] Optionally, the protrusion further includes a second protrusion and a third protrusion. There are at least two second protrusions and at least two third protrusions. The at least two second protrusions and the third protrusions are respectively arranged on both sides of the first protrusion along the centerline direction of the antenna base plate. A portion of the filter is arranged between the first protrusion and the second protrusion, and another portion is arranged between the first protrusion and the third protrusion.

[0009] Optionally, the filter body includes a first protrusion and a second protrusion, the first protrusion and the second protrusion being formed by protruding from both ends on the same side of the filter body; the length of the first protrusion is greater than the length of the second protrusion, and the first protrusion and the second protrusion are disposed close to the centerline of the antenna base plate; the power amplifier connector is disposed on the first protrusion, and the antenna connector is disposed on the second protrusion.

[0010] Optionally, the adjustment surface of the filter is located on the side of the filter body away from the antenna base plate.

[0011] Optionally, the filter further includes a first adjusting screw, which is disposed on the adjustment surface of the filter, and the filter body is fixedly connected to the antenna base plate.

[0012] Optionally, the filter further includes a second adjusting screw, which is disposed on the adjustment surface of the filter, and the filter body is detachably connected to the antenna base plate.

[0013] Optionally, the filter includes a filter body, a first cavity, and a second cavity. The first cavity is located on the side of the filter body near the metal strip assembly, and the second cavity is located on the side of the filter body near the baseband board. The connector includes an antenna connector and a power amplifier connector. One end of the antenna connector is connected to the first cavity, and the other end is connected to the metal strip assembly. One end of the power amplifier connector is connected to the second cavity, and the other end is connected to the power amplifier end of the baseband board.

[0014] Optionally, the metal strip assembly further includes a first insulating pad and a second insulating pad, the first insulating pad being disposed on the side near the antenna cover plate, the second insulating pad being disposed on the side near the antenna base plate, and the metal strip being sandwiched between the first insulating pad and the second insulating pad; the connector passes through the antenna base plate and the second insulating pad and abuts against the metal strip.

[0015] This application improves the antenna by replacing the original printed circuit board with a metal strip assembly, which helps reduce the overall thickness of the antenna. At the same time, this application uses a metal filter. Since the position of the feed ring on the antenna base plate is uneven, the metal filter is placed on the antenna base plate to avoid the uneven position. Furthermore, the orthographic projection of the metal filter on the antenna base plate does not overlap with the orthographic projection of the feed ring on the antenna base plate. This allows the metal filter to avoid the uneven position on the antenna base plate, which can effectively reduce the overall height of the integrated antenna structure, which is beneficial to reducing the size of the device and improving the working stability of the filter. Attached Figure Description

[0016] The accompanying drawings, which form part of the specification, are used to provide a further understanding of the embodiments of this application and illustrate the implementation methods of this application, together with the textual description, to explain the principles of this application. Obviously, the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0017] Figure 1 This is a schematic diagram of an antenna according to an embodiment of this application;

[0018] Figure 2 This is an exploded view of the metal strip assembly in an embodiment of this application;

[0019] Figure 3 This is an exploded view of the metal strip assembly and antenna base plate according to an embodiment of this application.

[0020] Figure 4 This is a top view of the antenna base plate and filter according to an embodiment of this application.

[0021] Among them, 10 is the antenna; 200 is the radome; 300 is the metal strip assembly; 301 is the feed ring; 302 is the power divider network; 303 is the boss; 304 is the first boss; 305 is the second boss; 306 is the third boss; 310 is the metal strip; 320 is the insulating pad; 321 is the first insulating pad; 322 is the second insulating pad; 400 is the filter; 401 is the filter body; 402 is the first adjusting screw; 4 03. Second adjusting screw; 404. First protrusion; 405. Second protrusion; 450. Low-pass connecting rod; 410. First cavity; 420. Second cavity; 430. Antenna end connector; 440. Power amplifier end connector; 441. Pin structure; 460. Connector; 500. Baseband board; 600. Antenna cover plate; 610. Fixing part; 700. Antenna base plate; 800. Director piece; 810. Through slot. Detailed Implementation

[0022] It should be understood that the terminology, specific structural and functional details used herein are merely for describing particular embodiments and are representative. However, this application may be implemented in many alternative forms and should not be construed as being limited to the embodiments set forth herein.

[0023] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating relative importance or implying the number of technical features indicated. Therefore, unless otherwise stated, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "multiple" means two or more. The term "comprising" and any variations thereof mean non-exclusive inclusion, where one or more other features, integers, steps, operations, units, components, and / or combinations thereof may be present or added.

[0024] In addition, terms such as “center,” “horizontal,” “up,” “down,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer” that indicate orientation or positional relationship are based on the orientation or relative positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this application and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0025] Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0026] The present application will now be described in detail with reference to the accompanying drawings and optional embodiments.

[0027] Figure 1 This is a schematic diagram of the antenna according to an embodiment of this application, as shown below. Figure 1As shown, this application discloses an antenna 10, including an antenna cover plate 600, an antenna base plate 700, a filter 400, a connector 460, and a baseband board 500. The antenna cover plate 600 and the antenna base plate 700 are correspondingly disposed, and the filter 400 is disposed between the antenna base plate 700 and the baseband board 500. The antenna 10 also includes a metal strip assembly 300, which is disposed between the antenna cover plate 600 and the antenna base plate 700. The antenna cover plate 600 and the antenna base plate 700 press the metal strip assembly 300 together. The antenna base plate 700 is provided with a feed ring 301 and a power amplifier network 302 connected to the feed ring 301; the filter 400 is a metal filter, there are multiple filters 400, and there are multiple connectors 460. The multiple filters 400 are connected to the metal strip assembly 300 and the baseband board 500 respectively through the multiple connectors 460; the multiple filters 400 are arranged on the side of the antenna base plate 700 away from the metal strip assembly 300 and are connected to the antenna base plate 700; the orthographic projection of the filter 400 on the antenna base plate 700 does not overlap with the orthographic projection of the feed ring 301 on the antenna base plate 700.

[0028] This application directly connects the filter 400 to the power amplifier end of the metal strip 310 and the baseband board 500 via connector 460, replacing the original printed circuit board with the metal strip assembly 300. The signal no longer needs to pass through a section of printed circuit board before entering the filter, shortening the signal transmission path and reducing signal loss. At the same time, the filter 400 used in this application is a metal filter 400. Since the position of the feed ring 301 on the antenna base plate 700 is uneven, by arranging the metal filter 400 on the antenna base plate 700, and ensuring that the orthographic projection of the metal filter 400 on the antenna base plate 700 does not overlap with the orthographic projection of the feed ring 301 on the antenna base plate 700, the metal filter 400 can avoid the uneven position on the antenna base plate 700, which can effectively reduce the total height of the antenna 10 and help to reduce the size of the device.

[0029] like Figure 1 As shown, the filter 400 includes a filter body 401, a first cavity 410, and a second cavity 420. The first cavity 410 is located on the side of the filter body 401 near the metal strip assembly 300, and the second cavity 420 is located on the side of the filter body 401 near the baseband board 500. The connector 460 includes an antenna connector 430 and a power amplifier connector 440. One end of the antenna connector 430 is connected to the first cavity 410, and the other end is connected to the metal strip assembly 300. One end of the power amplifier connector 440 is connected to the second cavity 420, and the other end is connected to the power amplifier end of the baseband board 500.

[0030] This application improves the antenna 10. The first cavity 410 of the filter 400 can be directly connected to the metal strip assembly 300 through the antenna connector 430, while the second cavity 420 of the filter 400 is directly connected to the power amplifier end of the baseband board 500 through the power amplifier connector 440. By using the metal strip assembly 300 to replace the originally required printed circuit board, and in conjunction with the improved design of the first cavity 410 and the second cavity 420, the following improvements are made:

[0031] By placing the first cavity 410 of the filter 400 on the side of the filter 400 near the metal strip assembly 300 and directly connecting it to the metal strip assembly 300, the signal transmission does not need to go through an additional section of the printed circuit board. The second cavity 420 of the filter 400 is placed on the side of the filter 400 near the baseband board 500 and directly connected to the baseband board 500, without needing to go through an additional section of the printed circuit board, thus shortening the signal transmission path and reducing signal loss.

[0032] The filter 400 has multiple cavities. The first cavity 410 and the second cavity 420 are the first cavity and the last cavity of the multiple cavities, respectively. Of course, it is also possible for the first cavity 410 to be the last cavity and the second cavity 420 to be the first cavity.

[0033] Furthermore, the debugging surface of the filter 400 in this application is located on the side of the filter body 401 away from the antenna base plate 700. This design allows for joint debugging after the antenna 10 is fully assembled.

[0034] The filter 400 in this application can be a separate structure or an integrated structure with the antenna base plate 700;

[0035] When the filter 400 and the antenna base plate 700 are integrated, the filter 400 also includes a first adjusting screw 402. The first adjusting screw 402 is disposed on the adjustment surface of the filter 400. The filter body 401 is fixedly connected to the antenna base plate 700, and the first adjusting screw 402 is disposed in the second cavity 420.

[0036] The filter body 401 and the antenna base plate 700 can be fixed by welding. In this case, the contact surfaces of the filter body 401 and the antenna base plate 700 can be coplanar, which further reduces the thickness and weight between the filter 400 and the antenna base plate 700, thus effectively reducing the height of the antenna 10. Furthermore, the first adjusting screw 402 is located in the second cavity 420. Since the second cavity 420 is far from the antenna base plate 700, it is easier to adjust the performance of the filter 400 and achieve integrated debugging of the entire system when the first adjusting screw 402 is in the second cavity 420.

[0037] When the filter 400 is an independent structure, the filter 400 can be detachably fixed to the antenna base plate 700 by screws. The filter 400 also includes a second adjusting screw 403, which is located on the adjustment surface of the filter 400. The filter body 401 is detachably connected to the antenna base plate 700, and the second adjusting screw 403 is located inside the second cavity 420.

[0038] The filter 400 is fixed to the antenna base plate 700 with screws, making it easier to disassemble and assemble the filter 400 and the antenna base plate 700. When the filter 400 is damaged, it can be removed and replaced separately, saving costs and installation time. At the same time, the second adjusting screw 403 is located in the second cavity 420 away from the antenna base plate 700, which makes it easier to adjust the performance of the filter 400 and facilitates the overall debugging of the device.

[0039] The antenna cover plate 600 in this application is made of thin aluminum sheet by stamping, and the metal strip assembly 300 is accommodated through the space formed between the antenna cover plate 600 and the antenna base plate 700. With this design, the metal strip assembly 300 can be fixed without welding through the antenna cover plate 600 and the antenna base plate 700. Of course, other fixing methods are also possible.

[0040] In addition, the design of the antenna base plate 700 and the antenna cover plate 600 can prevent the metal strip assembly 300 from shaking due to external factors during long-term use of the antenna 10, thus preventing the metal strip assembly 300 from shifting or falling off. This also avoids the antenna end connector 430 from having a loose connection or failing to connect properly when connected to the metal strip assembly 300. Furthermore, it improves the stability of the connection between the antenna end filter 400 and the metal strip assembly 300, ensuring the stability of signal transmission.

[0041] Figure 2 This is an exploded view of the metal strip assembly in an embodiment of this application, as shown below. Figure 2 Combination Figure 1 As shown, the metal strip assembly 300 includes a first insulating pad 321, a second insulating pad 322, and a metal strip 310. The first insulating pad 321 is disposed on the side near the antenna cover plate 600, the second insulating pad 322 is disposed on the side near the antenna base plate 700, and the metal strip 310 is sandwiched between the first insulating pad 321 and the second insulating pad 322. The antenna end connector 430 passes through the antenna base plate 700 and the second insulating pad 322 and abuts against the metal strip 310.

[0042] This application replaces the original printed circuit board with a metal strip assembly 300, retaining only the metal strip 310 that needs to be connected. Two insulating pads 320 replace the outer shell of the original printed circuit board, sandwiching the metal strip 310 between the two insulating pads 320. The first insulating pad 321 and the second insulating pad 322 hold the metal strip 310 between the two insulating pads 320 from above and below, effectively supporting and limiting the metal strip 310. This prevents the metal strip 310 from easily moving or falling off within the insulating pads 320, ensuring the stability of the metal strip assembly 300 structure. Simultaneously, it ensures that when the antenna connector 430 is directly connected to the metal strip 310, the position of the metal strip 310 will not shift, preventing ineffective or loose connections between the antenna connector 430 and the metal strip 310, thus ensuring normal signal transmission and enhancing the overall stability of the antenna 10.

[0043] In addition, the insulating pad 320 itself has an insulating effect, which can prevent the signal from being interfered with during signal transmission, reduce the signal loss when passing through the metal strip 310, ensure the stability of signal transmission, and make the antenna 10 simpler.

[0044] One end of the antenna connector 430 is connected to the first cavity 410 of the filter 400, and the other end passes directly through the antenna base plate 700 and abuts against the metal strip 310, connecting with the metal strip 310. In this way, the signal transmitted by the filter 400 is directly transmitted to the metal strip 310 through the antenna connector 430, which greatly shortens the signal transmission path and reduces signal loss and consumption during transmission, further improving the working efficiency of the antenna 10. This design avoids the problem of long signal transmission paths in integrated filter-antenna structures where the filter is soldered on the same side of the first and second cavities and then connected to another printed circuit board. This design reduces or even avoids signal loss or interference problems during signal transmission.

[0045] The metal strip 310 in this application is a thin metal sheet, such as an aluminum sheet or a copper sheet, which can be processed by etching or die cutting.

[0046] The insulating pad 320 is made of foam, and can be made of polyetherimide foam or polymethacrylimide foam. The insulating pad 320 is fixed to the metal strip 310 with plastic pins, so that the insulating pad 320 and the metal strip 310 are not easy to fall off and are more firmly fixed. Alternatively, other methods such as adhesive backing can also achieve the above effect, which will not be elaborated here.

[0047] like Figure 1 The combination shown Figure 2 In this application, the antenna 10 also includes a guide plate 800, which is a thin metal sheet. The antenna cover plate 600 includes two fixing parts 610. The two ends of the antenna cover plate 600 extend away from the metal strip assembly 300 to form two fixing parts 610. The guide plate 800 is fixedly connected to the two fixing parts 610, and the guide plate 800 is arranged parallel to the antenna cover plate 600. The antenna cover plate 600 forms a window corresponding to the position of the feed ring 301.

[0048] The director piece 800 is a metal piece parallel to the metal strip 310 and is located directly above the feed ring 301 of the metal strip 310. The material of the director piece 800 is a good electrical conductor, such as copper or aluminum. In practical applications, considering factors such as structural stability, feasibility, and weight, a copper-plated dielectric substrate is generally used. The director piece 800 is used to improve the signal transmission effect and enhance the performance of the antenna 10.

[0049] Two through slots 810 can be provided on the guide piece 800. Two fixing parts 610 extending from the antenna cover plate 600 pass through the two slots respectively and are snapped into the guide piece 800. The guide piece 800 is snapped onto the antenna cover plate 600 by a snap-fit ​​method, which makes the connection between the guide piece 800 and the antenna cover plate 600 simpler and facilitates disassembly and installation. When the guide piece 800 is damaged during long-term use, the guide piece 800 can be removed from the antenna cover plate 600 and replaced with a new guide piece 800. Timely maintenance can be performed to ensure the stability of signal transmission and will not affect the use of the antenna 10.

[0050] Meanwhile, the guide piece 800 and the antenna cover plate 600 are fixed by a snap-fit ​​method, which can be used for guide pieces 800 of various specifications and thicknesses, and has strong versatility.

[0051] In addition, the antenna cover plate 600 and the guide piece 800 can also be installed by laser welding. This makes the connection between the guide piece 800 and the antenna cover plate 600 more secure, and the guide piece 800 is less likely to fall off the antenna cover plate 600, thus ensuring the stability of the antenna 10 and further improving the stability of the signal transmission of the antenna 10.

[0052] Antenna 10 also includes radome 200, which covers the metal strip assembly 300 and the guide plate, effectively protecting the metal strip assembly 300 and the guide plate, preventing external factors and severe weather from affecting the antenna, avoiding corrosion that could damage the equipment, and effectively extending the service life of the equipment.

[0053] Figure 3This is an exploded view of the metal strip assembly, antenna base plate, and filter according to an embodiment of this application, as shown below. Figure 3 As shown, the metal strip 310 includes multiple feed rings 301 and a power divider network 302 connecting adjacent feed rings 301. Multiple recesses are formed directly below the feed rings 301, and multiple protrusions 303 corresponding to the recesses are formed on the back of the antenna base plate. The filter 400 is fixed on the antenna base plate 700 and is arranged to avoid the protrusions 303.

[0054] In antenna 10, the metal strip 310 includes multiple feed rings 301 and a power divider network 302 connecting the feed rings 301. Generally, the cavity depth on the back of the power divider network 302 is smaller than the cavity depth on the back of the feed rings 301, resulting in multiple bosses 303 on the back of the antenna base plate 700. The traditional approach is to place the filters side by side on the back of the antenna base plate for installation. If the traditional approach is followed, it is necessary to raise the mounting surface of the filters to the height of the bosses, which will increase the overall height of the integrated antenna structure and thus increase the thickness of the base station.

[0055] Figure 4 This is a top view of the antenna base plate and filter according to an embodiment of this application, as shown below. Figure 3 Combination Figure 4 As shown, the filter 400 of this application is arranged in a rotationally symmetrical manner, which can effectively allow the filter 400 to avoid the boss 303 during installation, so as to avoid the problem of increasing the thickness of the antenna integrated structure 10 and thus increasing the thickness of the base station.

[0056] Furthermore, based on the rotationally symmetrical arrangement of the filters 400, the boss 303 includes at least two first bosses 304, which are arranged along the centerline of the antenna base plate 700. Each first boss 304 has two filters 400 arranged on both sides of the centerline of the antenna base plate 700, and the two filters 400 are rotationally symmetrically arranged with respect to the first boss 304. The connector 460 includes a power amplifier connector 440 and an antenna connector 430, which are both located close to the centerline of the antenna base plate 700.

[0057] Specifically, such as Figure 4 As shown, the boss 303 also includes a second boss 305 and a third boss 306. There are at least two second bosses 305 and at least two third bosses 306. The at least two second bosses 305 and third bosses 306 are respectively arranged on both sides of the first boss 304 along the centerline direction of the antenna base plate 700. A portion of the filter 400 is arranged between the first boss 304 and the second boss 305, and another portion is arranged between the first boss 304 and the third boss 306.

[0058] This application does not limit the number of bosses and filters, but only uses... Figure 4 For example, there can be four of each of the first boss 304, the second boss 305, and the third boss 306, forming three rows. There are eight filters 400, which are divided into two columns and set along both sides of the four first bosses 304 respectively.

[0059] When the filter 400 is laid out, it avoids the position of the boss 303 on the back of the antenna base plate 700 so that the total height of the antenna 10 does not increase. At the same time, the filter 400 is distributed on both sides of the boss 303 in the middle of the antenna base plate 700. The arrangement is rotationally symmetrical so that all the filters 400 have the same structure. The positions of the power amplifier connector 440 and the antenna connector 430 are distributed near the center line of the antenna base plate 700 to facilitate the routing of the antenna feed network and the layout of the baseband board 500 power amplifier.

[0060] like Figure 4 As shown, the filter body 401 includes a first protrusion 404 and a second protrusion 405, which are formed by the two protrusions on the same side of the filter body 401; the length of the first protrusion 404 is greater than the length of the second protrusion 405, and the first protrusion 404 and the second protrusion 405 are located close to the centerline of the antenna base plate 700; the power amplifier connector 440 is disposed on the first protrusion 404, and the antenna connector 430 is disposed on the second protrusion 405.

[0061] The first protrusion 404 and the second protrusion 405 are arranged in a rotationally symmetrical manner to form a staggered structure. This allows the filters 400 to be arranged along the centerline of the antenna base plate 700. This not only effectively reduces the space required for multiple filters 400 to be arranged on the antenna base plate 700, thus reducing the overall height of the antenna 10, but also brings the power amplifier connector 440 connected to the first protrusion 404 and the antenna connector 430 connected to the second protrusion 405 closer to the centerline of the antenna base plate 700, facilitating overall integration and improving the overall performance of the base station.

[0062] Of course, the metal filter 400 can also be arranged in a mirror arrangement. When a mirror arrangement is used, the metal filter 400 is not the same filter 400. Generally speaking, it is best if the left and right power divider networks 302 are mirrored. If they cannot be completely mirrored, the line lengths of the left and right power divider networks 302 should be exactly the same (the line length refers to the contact point of the connector, that is, the line length from the junction to each element feed ring). The closer the junction is to the center line, the closer the arranged lines are to a mirror distribution.

[0063] To achieve better connection between connector 460 and filter 400, and better conduction between connector 460 and antenna structure 100 and baseband board 500, both ends of antenna connector 430 and power amplifier connector 440 are pin structures 441.

[0064] The surface plating of the ejector pin structure 441 is generally gold-plated, which can better improve its corrosion resistance and electrical performance. The connection end of the ejector pin structure 441 can improve the corrosion resistance, stability and durability of the power amplifier connector 440 and the antenna connector 430. Furthermore, the use of the ejector pin structure 441 can reduce the weight and size of the power amplifier connector 440 and the antenna connector 430, making them more refined and aesthetically pleasing.

[0065] Furthermore, a low-pass connector 450 is provided at one end of the power amplifier connector 440 that connects to the baseband board 500. The power amplifier connector 440 is connected to the power amplifier end of the baseband board 500 through the low-pass connector 450. The low-pass connector 450 is connected to the filter 400 to form a low-pass filter 400, which is used to filter high-frequency noise in signal transmission and improve signal transmission performance. The low-pass connector can be cylindrical. Alternatively, a high-pass connector can be used depending on the actual needs and the application environment; no specific limitations are imposed in this application.

[0066] It should be noted that the inventive concept of this application can form many embodiments, but due to the limited space of the application documents, they cannot all be listed. Therefore, without conflict, the embodiments described above or the technical features can be arbitrarily combined to form new embodiments. After the embodiments or technical features are combined, the original technical effect will be enhanced.

[0067] The above description, in conjunction with specific optional embodiments, provides a further detailed explanation of this application and should not be construed as limiting the specific implementation of this application to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of this application, and all such modifications or substitutions should be considered within the scope of protection of this application.

Claims

1. An antenna, comprising an antenna cover plate, an antenna base plate, a filter, a connector, and a baseband board, wherein the antenna cover plate and the antenna base plate are correspondingly disposed, and the filter is disposed between the antenna base plate and the baseband board; characterized in that, The antenna also includes a metal strip assembly, which is disposed between the antenna cover plate and the antenna base plate, and the antenna cover plate and the antenna base plate press the metal strip assembly together. The metal strip assembly is provided with a feed loop and a power divider network connected to the feed loop. The filter is a metal filter, and there are multiple filters and multiple connectors. The multiple filters are respectively connected to the metal strip assembly and the baseband board through the multiple connectors. Multiple filters are arranged on the side of the antenna base plate away from the metal strip assembly and are connected to the antenna base plate; the orthographic projection of the filters on the antenna base plate does not overlap with the orthographic projection of the feed ring on the antenna base plate.

2. The antenna according to claim 1, characterized in that, The metal strip assembly includes a metal strip, and the feed ring and the power divider network are disposed on the metal strip; a plurality of recesses are formed directly below the feed ring, and a plurality of protrusions corresponding to the recesses are formed on the back of the antenna base plate; the filter is fixed on the antenna base plate and is disposed to avoid the protrusions.

3. The antenna according to claim 2, characterized in that, The protrusion includes at least two first protrusions, which are arranged along the centerline of the antenna base plate. Each first protrusion has two filters arranged on both sides of the centerline of the antenna base plate, and the two filters are arranged in a rotationally symmetrical manner corresponding to the first protrusion. The connectors include a power amplifier connector and an antenna connector, both of which are located close to the centerline of the antenna base plate.

4. The antenna according to claim 3, characterized in that, The protrusion further includes a second protrusion and a third protrusion. There are at least two second protrusions and at least two third protrusions. The at least two second protrusions and the at least two third protrusions are respectively arranged on both sides of the first protrusion along the centerline direction of the antenna base plate. A portion of the filter is arranged between the first protrusion and the second protrusion, and another portion is arranged between the first protrusion and the third protrusion.

5. The antenna according to claim 3, characterized in that, The filter includes a filter body, which includes a first protrusion and a second protrusion. The first protrusion and the second protrusion are formed by protruding from both ends on the same side of the filter body. The length of the first protrusion is greater than the length of the second protrusion, and the first protrusion and the second protrusion are located close to the centerline of the antenna base plate. The power amplifier connector is disposed on the first protrusion, and the antenna connector is disposed on the second protrusion.

6. The antenna according to any one of claims 2-5, characterized in that, The adjustment surface of the filter is located on the side of the filter body away from the antenna base plate.

7. The antenna according to claim 6, characterized in that, The filter also includes a first adjusting screw, which is disposed on the adjustment surface of the filter, and the filter body is fixedly connected to the antenna base plate.

8. The antenna according to claim 6, characterized in that, The filter also includes a second adjusting screw, which is disposed on the adjustment surface of the filter, and the filter body is detachably connected to the antenna base plate.

9. The antenna according to claim 1, characterized in that, The filter includes a filter body, a first cavity, and a second cavity. The first cavity is located on the side of the filter body closer to the metal strip assembly, and the second cavity is located on the side of the filter body closer to the baseband board. The connector includes an antenna connector and a power amplifier connector. One end of the antenna connector is connected to the first cavity and the other end is connected to the metal strip assembly. One end of the power amplifier connector is connected to the second cavity and the other end is connected to the power amplifier end of the baseband board.

10. The antenna according to claim 2, characterized in that, The metal strip assembly further includes a first insulating pad and a second insulating pad. The first insulating pad is disposed on the side near the antenna cover plate, and the second insulating pad is disposed on the side near the antenna base plate. The metal strip is sandwiched between the first insulating pad and the second insulating pad. The connector passes through the antenna base plate and the second insulating pad and abuts against the metal strip.

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