Independent stick antenna

Abstract

The utility model discloses an independent stick-shaped antenna, which comprises an upper cover and a bottom shell which are connected through an ultrasonic welding line structure to form an antenna housing main body, the lower connecting seat is connected with the bottom shell through a pin and is used for supporting and fixing the antenna housing main body; the RP-SMA connector is assembled and connected with the lower connecting base, and an internal cable of the RP-SMA connector penetrates through holes reserved in the bottom of the bottom shell and the bottom of the lower connecting base so as to reach the interior of the antenna housing body; wherein the interior of the radome main body is used for placing a PCB (Printed Circuit Board), and the internal cable is used for being welded on the PCB, so that the PCB carries out antenna signal processing; it can be understood that according to the embodiment of the invention, the antenna housing is designed to be provided with the upper cover and the bottom shell which are detachable, and the upper cover and the bottom shell are connected through the ultrasonic welding technology, so that the installation difficulty of the PCB can be effectively reduced, and the antenna is more convenient and faster to produce, test and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless communication technical field, especially a kind of independent stick antenna. BACKGROUND

[0002] With the wide application of intelligent outdoor cabinet, the demand for wireless communication is increasing. Although the existing wireless antenna can realize basic communication function, it has disadvantages in structure design, installation convenience and signal transmission performance. Specifically, it has the following aspects:

[0003] Large assembly difficulty: the assembly process of traditional antenna is complex, which needs multiple steps and is prone to assembly errors, affecting production efficiency and product quality.

[0004] Inconvenient maintenance: once the antenna fails, it is difficult to disassemble and repair, increasing maintenance cost. SUMMARY

[0005] The utility model aims at providing a kind of independent stick antenna, to solve the problems of large assembly difficulty and inconvenient maintenance in prior art, to realize batch production, reduce assembly difficulty and improve production efficiency.

[0006] In the first aspect, the application provides an independent stick antenna, comprising: an upper cover and a bottom shell connected by an ultrasonic welding line structure to form an antenna cover main body; a lower connecting seat connected to the bottom shell by a pin for supporting and fixing the antenna cover main body; an RP-SMA connector assembled and connected to the lower connecting seat, with the internal cable of the RP-SMA connector passing through the holes reserved at the bottom of the bottom shell and the lower connecting seat to reach the inside of the antenna cover main body; wherein the inside of the antenna cover main body is used to place a PCB board, and the internal cable is used to be welded to the PCB board to enable the PCB board to process antenna signals.

[0007] In some embodiments, the bottom shell includes a lower cover portion and a base portion connected together, the lower cover portion and the upper cover are connected by an ultrasonic welding line structure, and the base portion is connected to the lower connecting seat by a pin.

[0008] In some embodiments, the ultrasonic welding line structure includes welding line protrusions uniformly arranged along the inner edge of the upper cover, and when the upper cover and the bottom are combined into an antenna cover main body, the upper cover is in contact with the inner edge of the lower cover portion through the welding line protrusions to perform antenna cover welding.

[0009] In some embodiments, the base portion is provided with a one-way rotation groove at the bottom, and the one-way rotation groove is used to movably connect with the rotating part of the lower connecting seat through the pin.

[0010] In some embodiments, the one-way rotation groove is provided with a first through hole on both sides, the rotation part is provided with a second through hole on both sides, and the two pins are respectively used to pass through the first through hole and the second through hole from both sides of the one-way rotation groove, so that the bottom shell and the lower connecting seat are movably connected, and the antenna cover body is used to rotate in a fixed direction based on the one-way rotation groove to rotate the antenna direction.

[0011] In some embodiments, the hole reserved at the bottom of the lower connecting seat passes through the rotation part and is directed to the hole reserved at the bottom of the base part.

[0012] In some embodiments, the rotation range of the antenna direction includes 0° to 90°.

[0013] In some embodiments, the RP-SMA connector further includes an internal cable fixing device for fixing the internal cable to ensure that the internal cable passes through the bottom shell and the lower connecting seat.

[0014] In some embodiments, the internal cable fixing device further includes an elastic clamp provided inside the RP-SMA connector for clamping the internal cable to prevent displacement of the internal cable.

[0015] In some embodiments, the PCB board is placed inside the antenna cover body, and a plurality of radio frequency matching networks are provided on the PCB board, the plurality of radio frequency matching networks correspond to a plurality of working frequency bands, and are used to optimize impedance matching of the antenna in different frequency bands.

[0016] According to the independent rod-shaped antenna provided in the embodiment of the present application, at least the following beneficial effects are achieved: the independent rod-shaped antenna in the present application comprises an upper cover and a bottom shell connected through an ultrasonic welding line structure to form an antenna cover main body, a lower connecting seat connected with the bottom shell through a pin for supporting and fixing the antenna cover main body, and an RP-SMA connector assembled and connected with the lower connecting seat, and an internal cable of the RP-SMA connector passes through a hole reserved at the bottom of the bottom shell and the bottom of the lower connecting seat to reach the inside of the antenna cover main body, wherein the inside of the antenna cover main body is used for placing a PCB board, and the internal cable is used for welding to the PCB board to enable the PCB board to process antenna signals; it can be understood that the embodiment of the present application designs the antenna cover as a detachable upper cover and bottom shell, and connects them through ultrasonic welding technology, which significantly reduces the installation difficulty of the PCB board, and uses a pin to connect the bottom shell and the lower connecting seat, thereby simplifying the assembly process, reducing assembly errors, improving production efficiency, and shortening the production cycle; in addition, the modular design of the upper cover, the bottom shell, the lower connecting seat and the RP-SMA connector connected in sequence enables the antenna structure in the present application to be simply and effectively disassembled when a fault occurs, thereby making the production, testing and maintenance of the antenna more convenient and fast, so as to reduce the assembly difficulty and maintenance complexity of the antenna.

[0017] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. The drawings are provided solely for purposes of illustrating the application and are not intended to limit the application in any way.

[0019] The present application will be further described with reference to the drawings and embodiments.

[0020] Figure 1 is a structural schematic diagram of an independent rod-shaped antenna provided by the embodiment of the present application;

[0021] Figure 2 is a structural schematic diagram of an upper cover in the independent rod-shaped antenna provided by the embodiment of the present application;

[0022] Figure 3 is a structural schematic diagram of a bottom shell in the independent rod-shaped antenna provided by the embodiment of the present application;

[0023] Figure 4It is a cross section schematic view of the independent stick-shaped antenna provided by the embodiment of the utility model.

[0024] Reference signs:

[0025] 110, upper cover; 111, welding line bump; 120, bottom shell; 121, lower cover part; 122, base part; 130, lower connecting seat; 131, pin; 132, first through hole; 133, second through hole; 140, RP-SMA connector. DETAILED DESCRIPTION

[0026] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as limiting the protection scope of the utility model.

[0027] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. are understood as not including the number, above, below, within, etc. are understood as including the number, "any one" means one or more, "at least one of the following" and similar expressions mean any combination of these items, including any combination of single or multiple items. If the first, second is described for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of indicated technical features.

[0028] It should be noted that the words such as setting, installation and connection in the embodiments of the utility model should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the embodiments of the utility model in combination with the specific content of the technical scheme. For example, the term "connection" can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium.

[0029] It should be noted that the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict between them.

[0030] With the wide application of intelligent outdoor cabinets, the demand for wireless communication is increasing. Although the existing wireless antenna can realize basic communication function, it has defects in structure design, installation convenience and signal transmission performance. Specifically, the following aspects are embodied: difficult to assemble: the assembly process of the traditional antenna is complex, which needs multiple steps, and is easy to make assembly errors, affecting production efficiency and product quality. It is inconvenient to maintain: once the antenna fails, it is difficult to disassemble and repair, increasing the maintenance cost.

[0031] Based on this, the utility model discloses a kind of independent stick antenna, to solve the problems of big assembly difficulty, inconvenient maintenance in prior art, to realize batch production, reduce assembly difficulty, improve production efficiency.

[0032] Reference Figures 1 to 4 , Figure 1 It is the structural schematic diagram of the independent stick antenna provided in the utility model embodiment; Figure 2 It is the structural schematic diagram of the upper cover in the independent stick antenna provided in the utility model embodiment; Figure 3 It is the structural schematic diagram of the bottom shell in the independent stick antenna provided in the utility model embodiment; Figure 4 It is the cross-sectional schematic diagram of the independent stick antenna provided in the utility model embodiment;First, the embodiment of the application provides a kind of independent stick antenna, comprising: upper cover 110 and bottom shell 120, two are connected by ultrasonic welding line structure, constitute antenna cover main body;Lower connecting seat 130 is connected with bottom shell 120 by pin 131, for supporting and fixing antenna cover main body;RP-SMA connector 140 is assembled and connected with lower connecting seat 130, the internal cable of RP-SMA connector 140 passes through the hole reserved in the bottom of bottom shell 120 and the bottom of lower connecting seat 130, to reach the inside of antenna cover main body;Wherein, the inside of antenna cover main body is used to place PCB board, internal cable is used to be welded in PCB board, so that PCB board carries out antenna signal processing.

[0033] It can be understood that, the embodiment of the application designs antenna cover as detachable upper cover 110 and bottom shell 120, and connects using ultrasonic welding technology, significantly reduces the installation difficulty of PCB board, and uses pin 131 to connect bottom shell 120 and lower connecting seat 130, simplifies assembly process, reduces assembly error, improves production efficiency, the application of ultrasonic welding technology not only improves welding speed, but also ensures the stability of welding quality, shortens production cycle;In addition, the modular design of upper cover 110, bottom shell 120, lower connecting seat 130 and RP-SMA connector 140 connected in sequence makes that antenna structure in the application fails, can be simply and effectively disassembled antenna shell, and further make the production, test and maintenance of antenna more convenient and fast, to reduce the assembly difficulty and maintenance complexity of antenna.

[0034] In some embodiments, the upper cover 110 and the bottom shell 120 are connected by an ultrasonic welding line structure to jointly constitute the antenna cover body. The upper cover 110 is the upper half of the antenna cover, usually made of thermoplastic plastic, has good wave transmission performance and mechanical strength. The bottom shell 120 is the lower half of the antenna cover, also made of thermoplastic plastic, cooperates with the upper cover 110 to form a closed antenna cover body. The ultrasonic welding line structure is uniformly provided with welding line protrusions 111 along the inner edge of the upper cover 110. During assembly, the upper cover 110 is in contact with the inner edge of the bottom shell 120 through the welding line protrusions 111, and the two are fused into a whole by ultrasonic welding technology.

[0035] It can be understood that the ultrasonic welding technology makes the connection of the upper cover 110 and the bottom shell 120 simple and fast, reduces the assembly time and cost, and the connection formed by ultrasonic welding has good sealing performance and mechanical strength, ensuring the waterproof and dustproof performance of the antenna cover body.

[0036] In some embodiments, the lower connecting seat 130 is connected with the bottom shell 120 by a pin 131 for supporting and fixing the antenna cover body. The lower connecting seat 130 is made of metal or high-strength plastic for supporting and fixing the antenna cover body. The bottom seat portion 122 of the bottom shell 120 is provided with a one-way rotation groove at the bottom. The rotating part of the lower connecting seat 130 is connected with the one-way rotation groove of the bottom shell 120 by the pin 131. The groove provided at the bottom of the bottom seat portion 122 of the bottom shell 120 is provided with first through holes 132 at both sides for cooperating with second through holes 133 at both sides of the rotating part of the lower connecting seat 130 to realize movable connection through the pin 131. Through the connection of the one-way rotation groove and the pin 131, the antenna cover body can be flexibly rotated within the range of 0° to 90° to adapt to different installation requirements. The structural design of the lower connecting seat 130 ensures the stable support of the antenna cover body and improves the mechanical stability of the antenna.

[0037] In some embodiments, the RP-SMA connector 140 is assembled and connected with the lower connecting seat 130 for realizing the connection of the antenna with external devices such as routers. The RP-SMA connector 140 can be a reverse polarity SMA connector, supports high-frequency signal transmission, and is suitable for WiFi 2.4G, 5G, and 6G frequency bands. The internal cable is a cable led out from the inside of the RP-SMA connector 140, passes through the hole reserved at the bottom of the bottom shell 120 and the lower connecting seat 130, and reaches the inside of the antenna cover body. The RP-SMA connector 140 can be provided with an elastic clamping piece inside for fixing the internal cable to prevent it from being displaced under the action of high-frequency vibration or external force. The internal cable fixing device ensures the stability of the internal cable and the reliability of signal transmission. The assembly of the RP-SMA connector 140 with the lower connecting seat 130 is simple, facilitating production and maintenance.

[0038] In some embodiments, the PCB board is placed inside the radome body for antenna signal processing, the PCB board contains the radio frequency circuit of the antenna responsible for receiving and sending wireless signals, usually including components such as amplifiers, filters, matching networks, etc., and the internal cable is welded on the PCB board after passing through the hole of the bottom shell 120 and the lower connector 130 to achieve electrical connection. A plurality of radio frequency matching networks are provided on the PCB board, each network corresponding to a working frequency band, for optimizing the impedance matching of the antenna in different frequency bands, and through the radio frequency matching network, the antenna can achieve good signal transmission performance in multiple frequency bands (2.4G, 5G, 6G).

[0039] In some embodiments, the bottom shell 120 includes a lower cover portion 121 and a base portion 122 connected together, the lower cover portion 121 and the upper cover 110 are connected by an ultrasonic welding line structure, and the base portion 122 is connected with the lower connector 130 by a pin 131, wherein the bottom shell 120 includes a lower cover portion 121 and a base portion 122 connected together for connecting with the upper cover 110 and the lower connector 130 to form a radome body; the lower cover portion 121 is a part of the bottom shell 120 and is connected with the upper cover 110 by an ultrasonic welding line structure, and the base portion 122 is another part of the bottom shell 120 and is connected with the lower connector 130 by a pin 131 for supporting and fixing the radome body. It can be understood that the bottom shell 120 is divided into a lower cover portion 121 and a base portion 122, which facilitates production and assembly and improves production efficiency.

[0040] In some embodiments, based on the structure of Figure 1 , the application can be assembled in the following way: first, assemble the SAM joint with the lower connector 130 completely, then pass the cable in the joint through the hole of the bottom shell 120, then place the vibrator board in the reserved position of the bottom shell 120, weld the cable on the vibrator board, then align the upper cover 110 with the reserved position of the bottom shell 120, place it on the ultrasonic tool, fuse the upper cover 110 and the bottom shell 120 into one whole, then fix the bottom shell 120 and the lower connector 130 with the pin 131, complete the assembly, and thus effectively reduce the installation difficulty of the PCB board, making the production, testing and maintenance of the antenna more convenient and efficient.

[0041] In some embodiments, the ultrasonic welding line structure includes welding line protrusions 111 uniformly arranged along the inner edge of the upper cover 110, and when the upper cover 110 and the bottom are combined into a radome body, the upper cover 110 is in contact with the inner edge of the lower cover portion 121 through the welding line protrusions 111 to perform radome welding; as shown in Figure 2 and Figure 4 , Figure 2 embodies that the welding line protrusions 111 are uniformly arranged along the inner edge of the upper cover 110, Figure 4The upper cover 110 is in contact with the inner edge of the lower cover part 121 through the welding line protrusion 111 when the upper cover 110 and the bottom shell 120 are combined into the radome main body, wherein the ultrasonic welding line structure is used to connect the upper cover 110 and the bottom shell 120 to form the radome main body, the welding line protrusion 111 is a protrusion structure uniformly arranged along the inner edge of the upper cover 110, and the upper cover 110 is in contact with the inner edge of the lower cover part 121 of the bottom shell 120 when the upper cover 110 and the bottom shell 120 are combined into the radome main body, and the two are fused into one through the ultrasonic welding technology. The connection formed by ultrasonic welding has good sealing performance, prevents moisture and dust from entering the inside of the antenna, and the design of the welding line protrusion 111 ensures the uniform distribution of the welding points and improves the mechanical strength of the radome main body.

[0042] It can be understood that, in terms of structure, the radome is fixed and assembled by the ultrasonic welding technology in a manner different from the conventional structure. By using this principle, the difficulty of PCB installation can be greatly reduced, and the production efficiency is obviously improved

[0043] In some embodiments, the bottom seat part 122 is provided with a one-way rotation groove at the bottom, and the one-way rotation groove is movably connected with the rotating part of the lower connecting seat 130 through a pin 131, wherein the one-way rotation groove is used to realize the rotation of the radome main body, so that the direction of the antenna can be adjusted, the one-way rotation groove is arranged at the bottom of the bottom seat part 122 of the bottom shell 120, and is used to cooperate with the rotating part of the lower connecting seat 130. The one-way rotation groove of the bottom shell 120 is connected with the rotating part of the lower connecting seat 130 through the pin 131 to realize the movable connection, and the design of the one-way rotation groove enables the radome main body to be flexibly rotated within a range of 0° to 90°, thereby adapting to different installation requirements.

[0044] In some embodiments, the one-way rotation groove is provided with a first through hole 132 at each side, the rotating part is provided with a second through hole 133 at each side, and two pins 131 are respectively used to pass through the first through hole 132 and the second through hole 133 at each side of the one-way rotation groove, so that the bottom shell 120 and the lower connecting seat 130 are movably connected, and the radome main body is used to rotate in a fixed direction based on the one-way rotation groove, so as to rotate the direction of the antenna; wherein the two pins 131 pass through the first through hole 132 and the second through hole 133 at each side of the one-way rotation groove respectively, to realize the movable connection of the bottom shell 120 and the lower connecting seat 130, the pin 131 connection ensures the stable connection of the bottom shell 120 and the lower connecting seat 130, improves the mechanical stability of the antenna, and the design of the pin 131 connection makes the installation and disassembly process simple and fast, facilitating production and maintenance.

[0045] In some embodiments, the bottom of the lower connector 130 is provided with a hole that passes through the rotating part and is directed to the bottom of the base part 122, which is provided with a hole to ensure the smooth passage of the internal cable and avoid the cable being hindered during the connection process, and the design of the hole makes the internal structure of the antenna compact, saves space, and improves the overall performance of the antenna

[0046] In some embodiments, the rotating range of the antenna direction includes 0° to 90°, and it can be understood that the transmission of the signal is smoother by connecting the SMA joint with the whole machine, which is obviously superior to the feed line welding connection, and at the same time, the production test difficulty is reduced, as long as the test tool is buckled. The bottom shell 120 and the lower connector 130 are connected by the pin 131 to achieve 0°, 45°, and 90° bending.

[0047] In some embodiments, the RP-SMA joint 140 further includes an internal cable fixing device for fixing the internal cable to ensure that the internal cable does not loosen or fall off when passing through the bottom shell 120 and the lower connector 130, thereby improving the stability of signal transmission

[0048] In some embodiments, the internal cable fixing device further includes an elastic clamping piece arranged inside the RP-SMA joint 140 for clamping the internal cable to prevent displacement of the internal cable, i.e., to prevent displacement of the internal cable under the action of high-frequency vibration or external force, thereby ensuring the long-term reliability of the antenna.

[0049] In some embodiments, a PCB board is placed inside the radome body, and a plurality of radio frequency matching networks are arranged on the PCB board, the plurality of radio frequency matching networks correspond to a plurality of working frequency bands, and are used for optimizing the impedance matching of the antenna in different frequency bands to ensure that at least 30% of the frequency points in each frequency band meet the radiation characteristic requirement of the horizontal plane theta = 90° ± 3°, thereby improving the multi-band performance of the antenna.

[0050] In summary, the independent rod-shaped antenna provided by the embodiments of the present application realizes reasonable structure, easy assembly, superior signal transmission performance, and beautiful appearance of the antenna through the ultrasonic welding connection of the upper cover 110 and the bottom shell 120, the pin 131 connection of the lower connector 130, the internal cable fixing device of the RP-SMA joint 140, and the radio frequency matching network design of the PCB board. These designs not only improve the production efficiency and reliability of the antenna, but also ensure the stability and wide applicability of the antenna in different frequency bands.

[0051] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the present application.

Claims

1. A stand-alone rod antenna, characterized by, The application relates to an antenna cover, which comprises the following parts: an upper cover and a bottom shell connected by an ultrasonic welding line structure to form an antenna cover main body; a lower connecting base connected with the bottom shell by a pin to support and fix the antenna cover main body; an RP-SMA connector assembled with the lower connecting base, and an inner cable of the RP-SMA connector passes through a reserved hole in the bottom of the bottom shell and the lower connecting base to reach the inside of the antenna cover main body; wherein the inside of the antenna cover main body is used for placing a PCB board, and the inner cable is welded on the PCB board to make the PCB board process antenna signal.

2. The stand-alone rod antenna according to claim 1, characterized in that The bottom shell comprises a lower cover part and a bottom base part connected with each other, the lower cover part is connected with the upper cover by the ultrasonic welding line structure, and the bottom base part is connected with the lower connecting base by a pin.

3. The stand-alone rod antenna of claim 2, wherein, The ultrasonic welding line structure comprises welding line protrusions uniformly arranged along the inner edge of the upper cover, and when the upper cover and the bottom shell are combined into the antenna cover main body, the upper cover is in contact with the inner edge of the lower cover part through the welding line protrusions to perform antenna cover welding.

4. The stand-alone rod antenna of claim 2, wherein, The bottom base part is provided with a one-way rotation groove in the bottom, and the one-way rotation groove is movably connected with a rotating part of the lower connecting base through the pin.

5. The stand-alone rod antenna of claim 4, wherein, Both sides of the one-way rotation groove are provided with first through holes, both sides of the rotating part are provided with second through holes, and two pins are respectively used for passing through the first through holes and the second through holes from both sides of the one-way rotation groove to movably connect the bottom shell and the lower connecting base, so that the antenna cover main body is used for rotating in a fixed direction based on the one-way rotation groove to rotate the antenna direction.

6. The stand-alone rod antenna of claim 4, wherein, The hole reserved in the bottom of the lower connecting base passes through the rotating part and is reserved towards the hole in the bottom of the bottom base part.

7. The stand-alone rod antenna of claim 5, wherein The rotation range of the antenna direction comprises 0-90 degrees.

8. The stand-alone rod antenna according to any one of claims 1 to 7, characterized in that The RP-SMA connector further comprises an inner cable fixing device used for fixing the inner cable to ensure that the inner cable passes through the bottom shell and the lower connecting base.

9. The stand-alone rod antenna of claim 8, wherein, The inner cable fixing device further comprises an elastic clamping piece arranged in the RP-SMA connector and used for clamping the inner cable to prevent displacement of the inner cable.

10. The stand-alone rod antenna according to any one of claims 1 to 7, characterized in that, The PCB board is placed in the inside of the antenna cover main body, a plurality of radio frequency matching networks are arranged on the PCB board, the plurality of radio frequency matching networks correspond to a plurality of working frequency bands, and the radio frequency matching networks are used for optimizing impedance matching of the antenna in different frequency bands.

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