Antenna declination angle display device

Abstract

The utility model relates to the technical field of radio frequency communication, and discloses an antenna declination angle display device which mainly comprises a transmission assembly and an angle display assembly. The transmission assembly is installed on the reflecting plate of the antenna and matched with the angle display assembly and the phase shifter, the transmission assembly is responsible for transmitting the phase change of the phase shifter to the angle display assembly to achieve real-time display of the angle, the angle display assembly and the transmission assembly are arranged in a stacked mode, and the space utilization rate is effectively improved. Besides, the whole display device is designed to be not beyond the lower end cover of the base station antenna, so that the neat appearance of the antenna is kept, more importantly, additional protection is provided for the angle display assembly, and the angle display assembly is prevented from being damaged in the transportation, installation and use processes.

Description

Technical Field

[0001] This application relates to the field of radio frequency communication technology, and further relates to a device for displaying the downtilt angle of an antenna. Background Art

[0002] Currently, to meet the growing demand for wireless communication, the number of base stations in the cellular network has increased accordingly, and the density of antennas is very high. The mutual interference between the signals radiated by each antenna is very serious. Therefore, in the cellular network, it is often necessary to adjust the downtilt angle of the base station antenna to adjust the signal coverage range and improve the communication quality.

[0003] In the prior art, the electronic adjustment (electric adjustment) method has become the mainstream due to its convenience and high efficiency. The electrically adjustable antenna realizes the downtilt of the beam by changing the phase of each radiation unit in the antenna array, thus eliminating the need to change the physical position of the antenna. Compared with the traditional mechanical adjustment method, this adjustment method has the advantages of fast response speed, high adjustment accuracy, and low maintenance cost.

[0004] However, in the existing downtilt angle display devices, some of the components for displaying the angle are located outside the lower end cover, making them likely to be damaged during storage, transportation, installation, and use, which affects the overall reliability and stability of the system. In addition, due to design defects, some display devices occupy a large amount of reflector space in the antenna, which is not conducive to the compact layout of the antenna. Summary of the Utility Model

[0005] Aiming at the above technical problems, the purpose of this application is to provide a device for displaying the downtilt angle of an antenna, which can effectively save space, reduce the risk of damage, and is conducive to improving the reliability and lifespan of the device.

[0006] To achieve the above purpose, this application provides a device for displaying the downtilt angle of an antenna, which is arranged inside the base station antenna and includes: a transmission component and an angle display component;

[0007] The transmission component is arranged on the reflector of the base station antenna and is respectively connected to the angle display component and the phase shifter of the base station antenna in a cooperative manner to display the phase shift angle of the phase shifter through the angle display component;

[0008] The angle display component is stacked with the transmission component and does not exceed the lower end cover of the base station antenna.

[0009] In some embodiments, the angle display component includes an identification member, which is provided with a plurality of scale values for indicating the phase shift angle and is connected to the transmission component in a cooperative manner;

[0010] The lower end cover is provided with a display area. When the transmission component drives the identification member to move, the identification member slides relative to the display area, so as to display the scale value corresponding to the real-time phase shift angle on the display area.

[0011] In some embodiments, the lower end cover is further provided with an identification pointer, which is arranged adjacent to the display area and points to the display area to assist in identifying the corresponding scale value.

[0012] In some embodiments, the identification member includes an identification main body and a connecting rod. The angle display component further includes a guiding member. A plurality of the scale values are arranged on the identification main body. One end of the connecting rod is fixedly connected to the identification main body, and the other end is cooperatively connected to the transmission component;

[0013] The guiding member is arranged on one side of the lower end cover facing the transmission component, and the identification main body is slidably connected to the guiding member, so that it moves along the extending direction of the guiding member when moving.

[0014] In some embodiments, the transmission component includes at least one first transmission member. The connecting rod is slidably embedded in the top of the first transmission member. In any one of the first transmission members, there is a height difference between the starting end of the top contour and the ending end of the top contour;

[0015] When the first transmission member drives the connecting rod to move, the connecting rod displaces along the top contour, so that the identification main body synchronously rises or falls under the guiding action of the guiding member.

[0016] In some embodiments, the shape of the top contour of the first transmission member is one of a polyline, an arc, and a straight line.

[0017] In some embodiments, the transmission component further includes a transmission box and a transmission rack. The transmission rack has a receiving groove and a positioning structure. The bottom of the first transmission member is arranged in the receiving groove and is positioned by the positioning structure to prevent the first transmission member from being misaligned or displaced;

[0018] The transmission rack is installed in the transmission box. The transmission box is used to output power so that the transmission rack can perform a linear motion, thereby driving the first transmission member to move.

[0019] In some embodiments, the positioning structure includes at least one positioning pin. The positioning pin is arranged in the receiving groove, and a positioning hole is arranged on the first transmission member to cooperate with the positioning pin;

[0020] and / or,

[0021] The positioning structure includes at least one buckle group, each buckle group includes two buckles, and the two buckles are respectively arranged on opposite sides of the transmission rack for forming a snap connection with the bottom of the first transmission member.

[0022] In some embodiments, the first transmission member includes a first docking portion and a second docking portion, the bottom of the first docking portion is fixedly connected to the top of the second docking portion, and the end of the second docking portion away from the lower end cover is cooperatively connected to the phase shifter;

[0023] The upper surface of the first docking portion and the end of the connecting rod are both provided with a sliding connection structure to achieve a slidable embedded connection between the two.

[0024] In some embodiments, at least one roller is further provided at an end portion of the connecting rod away from the identification body. When the connecting rod slides relative to the first docking portion, the roller rolls synchronously with the upper surface of the first docking portion.

[0025] In some embodiments, the antenna downtilt angle display device further includes a drive motor, which is fixed to the reflector of the antenna and is correspondingly connected to the transmission assembly to provide driving force to the transmission assembly.

[0026] In some embodiments, the driving motor includes a motor output end and a motor input end, the motor input end is used to receive a control signal, and the motor output end is connected to the transmission component, so that the transmission component can drive the angle display component to move.

[0027] Compared with the prior art, the antenna downtilt angle display device provided in this application has the following beneficial effects:

[0028] 1. In this application, the angle display component and the transmission component are stacked in a design, which does not take up additional space, making the entire system more compact, contributing to the miniaturization of the antenna, and facilitating installation and maintenance. At the same time, the angle display component does not extend out of the lower end cover of the antenna, which also reduces the potential damage to the display device from the external environment.

[0029] 2. In the present application, the mechanical motion between the first transmission member and the connecting rod is cleverly converted into vertical movement of the identification body through the preset slope at the top of the first transmission member, thereby achieving accurate display of the antenna downtilt angle; in addition, the friction between the connecting rod and the first docking part is reduced by the roller provided on the connecting rod, thereby extending the service life of the transmission assembly.

[0030] 3. In this application, the use of positioning structures, such as the cooperation of positioning pins and positioning holes, and the design of the buckle group, effectively prevent the dislocation or offset of components, ensuring long-term stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The following will further illustrate the above characteristics, technical features, advantages and their implementation manners of the present application in a clear and understandable manner in combination with the accompanying drawings.

[0032] Figure 1 It is a partial structural schematic diagram when the antenna downtilt angle display device in an embodiment of the present application is arranged relative to the base station antenna;

[0033] Figure 2 It is a partial structural schematic diagram of an embodiment of the present application;

[0034] Figure 3 It is an assembly schematic diagram of a transmission component and a driving motor in an embodiment of the present application;

[0035] Figure 4 It is a structural schematic diagram when an identification member is displayed in a display area in an embodiment of the present application;

[0036] Figure 5 It is a structural schematic diagram of an identification member in an embodiment of the present application;

[0037] Figure 6 It is a structural schematic diagram of another identification member in an embodiment of the present application.

[0038] Figure 7 It is a partial structural schematic diagram of the antenna downtilt angle display device in the angle display component area in an embodiment of the present application;

[0039] Figure 8 It is a structural schematic diagram of a transmission rack in an embodiment of the present application;

[0040] Figure 9 It is a structural schematic diagram of a first transmission member in an embodiment of the present application;

[0041] Figure 10 It is a side view of a first transmission member in an embodiment of the present application;

[0042] Figure 11 It is a side view of a first transmission member in an embodiment of the present application.

[0043] Description of the reference numerals in the drawings: base station antenna 1; lower end cover 2; identification pointer 201; display area 202; guide member 203; reflector 3; transmission assembly 4; transmission box 41; drive motor 42; motor input end 412; motor output end 411; transmission rack 421; positioning pin 4212; receiving groove 4211; buckle 4213; bushing 422; angle display assembly 43; identification member 431; identification main body 4311; connecting rod 4312; scale value 4314; vacant part 4313; weight reduction hole 4315; roller 4316; first transmission member 432; first docking part 4321; positioning hole 4322; second docking part 4323; phase shifter 5. Detailed implementation manners

[0044] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the specific implementation manners of the present application will be described below with reference to the accompanying drawings. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings and other implementation manners can be obtained.

[0045] To make the drawings concise, only the parts related to the application are schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, components with the same structure or function are only schematically shown for one of them, or only one of them is marked. In this document, "one" not only means "only this one", but also means "more than one" situation.

[0046] It should also be further understood that the term "and / or" used in the description and claims of the present application refers to any combination and all possible combinations of one or more of the related listed items, and includes these combinations.

[0047] In this document, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0048] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0049] In addition, in the description of the present application, terms such as "first", "second", etc. are only used for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0050] In the field of mobile communication, with the explosive growth of the number of users and data demand, the coverage and capacity of cellular networks are facing unprecedented challenges. To improve network performance and optimize signal coverage, the precise adjustment of base station antennas has become crucial. The adjustment of the antenna downtilt angle is a key means to achieve this goal, which can effectively control the radiation range of signals, reduce interference, and improve signal quality.

[0051] In the prior art, the method of electronically adjusting (electrically tuning) the antenna downtilt angle has been widely used in the construction and maintenance of communication base stations. This method realizes the electronic downtilt of the beam by changing the phases of the individual radiation units in the antenna array, thus eliminating the need to change the physical position of the antenna. Compared with the traditional mechanical adjustment method, the electrically tuned method has significant advantages such as simple operation, rapid response, and low maintenance cost.

[0052] However, although the electrically tuned technology brings convenience in practical applications, some existing electrically tuned antenna angle display devices have design deficiencies. For example: the vulnerability of the device, especially those display devices with protruding parts, are prone to damage or breakage during storage, transportation, installation, and use; the complex structure increases the difficulty of processing and assembly, resulting in high costs; the large space occupied by the device is not conducive to the miniaturization design of the antenna, affecting the overall performance and aesthetics of the antenna.

[0053] In view of the deficiencies in the prior art, referring to the attached Figure 1 of the specification, a downtilt angle display device provided by the present application can effectively save space, reduce the risk of damage, and is conducive to improving the reliability and lifespan of the device.

[0054] Referring to the attached Figure 1 and Figure 2, an antenna downtilt angle display device provided by the present application includes a transmission component 4 and an angle display component 43. The transmission component 4 is arranged on the reflector 3 of the base station antenna 1 and cooperates with the phase shifter 5 and the angle display component 43 of the antenna, ensuring the accuracy and real-time performance of phase adjustment. Through this design, the phase change of the phase shifter 5 can be converted into an intuitive angle reading and displayed on the angle display component 43.

[0055] Among them, the angle display component 43 is arranged in a stacked manner with the transmission component 4 and is compactly arranged inside the antenna without exceeding the lower end cover 2 of the base station antenna 1. In this embodiment, this display device not only achieves the purpose of saving the internal space of the antenna through the stacked design, but also reduces the risk of damage. Since the device is integrated inside the antenna, the potential impact of the external environment on the display accuracy is reduced, and the maintenance cost is lowered.

[0056] At the same time, a driving motor 42 is also provided in this antenna downtilt angle display device. The driving motor 42 is also arranged on the reflector 3 of the antenna, making full use of the internal space of the antenna and ensuring the corresponding connection between the motor and the transmission component 4, thus ensuring the transmission efficiency and accuracy. The main function of the driving motor 42 is to provide the necessary driving force for the transmission component 4. By operating the driving motor 42, the transmission component 4 is driven, thereby controlling the angle display function of the angle display component 43.

[0057] Among them, as Figure 3 shown, the driving motor 42 includes a motor output end 411 and a motor input end 412. The motor input end 412 is used to receive control signals from the control system. The control signals usually contain operation instructions required by the motor, such as start, stop, rotation speed, and steering, etc.; the motor output end 411 is connected to the transmission component 4 and is responsible for transmitting the rotational motion of the motor to the transmission system.

[0058] In the appendix Figure 3 , the motor output end 411 is connected to the bushing 422 on the transmission box 41. This design enables the rotation of the motor to be converted into a linear motion of the transmission component 4, thereby driving the angle display component 43 to move. The movement of the angle display component 43 corresponds to the change in the antenna downtilt angle, thus realizing the real-time display of the antenna downtilt angle. At the same time, through the connection between the bushing 422 and the motor output end 411, the transmission efficiency is ensured and the energy loss is reduced.

[0059] Furthermore, as Figure 4 and Figure 5As shown, the angle display component 43 includes at least one identification member 431, and a series of scale values 4314 are set on the identification member 431 to indicate the current phase shift angle. The identification member 431 is cooperatively connected with the transmission component 4, ensuring that when the antenna makes a downward tilt adjustment, the position of the identification member 431 can be updated in real time according to the movement of the transmission component 4. The lower end cover 2 is designed with a display area 202, which can be transparent, semi-transparent or hollowed out, allowing the operator to directly observe the scale values 4314 on the identification member 431.

[0060] When the transmission component 4 drives the identification member 431 to move according to the adjustment of the phase shift angle, the identification member 431 will slide relative to the display area 202. This design enables the scale values 4314 on the identification member 431 to be displayed in real time on the display area 202, not only improving the accuracy and convenience of reading the downward tilt angle of the antenna, but also making the entire device more compact and aesthetically pleasing.

[0061] Based on the above embodiments, in one embodiment, reference may be made to the attached Figure 4 The lower end cover 2 of the base station antenna 1 is not only provided with a display area 202 for displaying the real-time phase shift angle, but also provided with an identification pointer 201. The design of the identification pointer 201 is to further improve the indication accuracy and intuitiveness of the display device.

[0062] As shown in the figure, the identification pointer 201 is adjacent to the display area 202, so that when the transmission component 4 drives the identification member 431 to move, it can point to the corresponding scale value 4314 in the display area 202. This design of auxiliary identification enables the operator to read the current phase shift angle more quickly and accurately, and can easily identify it even in a dim light or poor visibility environment.

[0063] In particular, as Figure 5 and Figure 6 shown, the identification member 431, as a key component of the display device, specifically includes an identification main body 4311 and a connecting rod 4312. A number of scale values 4314 are provided on the identification main body 4311, and these scale values 4314 are used to indicate the real-time phase shift angle of the phase shifter 5. One end of the connecting rod 4312 is fixedly connected to the identification main body 4311 to ensure the stable display of the scale values 4314; the other end is cooperatively connected with the transmission component 4 so as to drive the identification main body 4311 to move when the transmission component 4 acts.

[0064] At the same time, in this application, the scale values 4314 and the identification pointer 201 can be formed by silk screening or injection molding, and no specific limitation is made here.

[0065] As Figure 7As shown, the angle display component 43 further includes a guide member 203, which is disposed on the side of the lower end cover 2 facing the transmission component 4. The function of the guide member 203 is to provide a stable sliding guide for the identification main body 4311, ensuring that the identification main body 4311 moves smoothly and accurately along the extension direction of the guide member 203 during movement. This design not only improves the accuracy of the movement of the identification member 431, but also reduces errors caused by friction or unstable movement.

[0066] Through the connection of the identification main body 4311 with the transmission component 4 via the connecting rod 4312 and the guiding action of the guide member 203, precise movement synchronized with the transmission component 4 is achieved. When the phase shifter 5 adjusts the antenna downtilt angle, the action of the transmission component 4 is transmitted to the identification main body 4311 through the connecting rod 4312, causing it to slide on the guide member 203, thereby displaying the corresponding scale value 4314 on the display area 202.

[0067] Meanwhile, in one embodiment, a weight reduction hole 4315 can also be provided on the connecting rod 4312, thereby reducing the use of materials and lowering costs.

[0068] In one embodiment, please refer to the appended Figure 7 In the above embodiment, the transmission component 4 at least includes one first transmission member 432. The connecting rod 4312 is slidably embedded in the top of the first transmission member 432. The top profile of the first transmission member 432 is set to have a certain slope, that is, there is a height difference between its starting end and ending end. This feature enables the connecting rod 4312 to move relatively up or down along the top profile when driven by the first transmission member 432.

[0069] This movement of the connecting rod 4312 is directly transmitted to the identification main body 4311, causing the identification main body 4311 to move up or down synchronously. Synchronously, the scale value 4314 provided on the identification main body 4311, along with its sliding on the guide member 203, enables the display area 202 to reflect the current phase shift angle of the phase shifter 5 in real time. This design of synchronous movement not only ensures the accurate display of the scale value 4314, but also improves the response speed and sensitivity of the entire display device.

[0070] Through the preset slope at the top of the first transmission member 432, in this embodiment, the mechanical movement between the first transmission member 432 and the connecting rod 4312 is cleverly converted into the vertical movement of the identification main body 4311, thereby achieving the accurate display of the antenna downtilt angle. Through this design in this embodiment, the transmission mechanism can be effectively simplified, the number of required components can be reduced, and at the same time, the complexity and cost of maintenance can also be lowered.

[0071] In addition, the sliding fit between the first transmission member 432 and the connecting rod 4312, along with the fixed connection between the connecting rod 4312 and the identification body 4311, together constitute an efficient and reliable transmission system. This system can not only withstand the wear of long-term operation but also maintain stable performance under various environmental conditions.

[0072] Furthermore, as a key part of the transmission assembly 4, the shape of the top profile of the first transmission member 432 is crucial for the movement trajectory of the connecting rod 4312. To adapt to different design requirements and ensure the smooth movement of the connecting rod 4312, the top profile of the first transmission member 432 can be designed as one of a polyline, an arc, or a straight line.

[0073] If the top profile is a polyline, the polyline consists of multiple straight segments connected by break points. For example, in the form shown in the appendix Figure 11 In this form, when the connecting rod 4312 makes a relative movement on the horizontal segment, the position of the identification body 4311 remains unchanged. When the connecting rod 4312 moves on the inclined segment, the position of the identification body 4311 will change. This design can be used to adjust the phase shifter 5 to a reference position without affecting the angle display.

[0074] If the top profile is an arc, it can be a smooth curve. This design is suitable for situations where the connecting rod 4312 needs to move along an arc path. For example, in the form shown in the appendix Figure 10 In this form, to achieve a more smooth and continuous angle change. If the top profile is a straight line, for example, in the form shown in the appendix Figure 9 In this form, this will cause the connecting rod 4312 to move in a straight line along a fixed direction. This design is simple and direct, easy to implement, and suitable for occasions where direct and consistent angle changes are required.

[0075] Regardless of which shape is selected, the top profile of the first transmission member 432 should ensure that when the connecting rod 4312 drives the identification body 4311 to move, it can move smoothly along the preset path, thus ensuring the accuracy of the angle display and at the same time ensuring the durability of the transmission assembly 4 and the simplicity of maintenance.

[0076] In one embodiment, as shown in Figure 3 the transmission assembly 4 includes a transmission box 41 and a transmission rack 421. These components together ensure the stable operation and accurate display of the entire display device.

[0077] As shown in Figure 8As shown, the transmission rack 421 is a core component in the transmission assembly 4, which is provided with a receiving groove 4211 and a positioning structure. The bottom of the first transmission member 432 is arranged in the receiving groove 4211 and is precisely positioned through the positioning structure. This design effectively prevents the first transmission member 432 from being misaligned or displaced during movement, ensuring the stability and reliability of the transmission process.

[0078] The transmission rack 421 is installed in the transmission box 41, and the function of the transmission box 41 is to output power, ensuring the effective transmission of power, enabling the transmission rack 421 to perform linear motion. Then, the first transmission member 432 arranged on the transmission rack 421 moves synchronously, thereby driving the connecting rod 4312 and the marking main body 4311 to realize the real-time display of the angle. In addition, the design of the transmission box 41 and the transmission rack 421 also takes into account the convenience of maintenance and durability. By installing the transmission rack 421 in the transmission box 41, the transmission rack 421 can be effectively protected, reducing the impact caused by the external environment, thereby improving the service life and reliability of the entire transmission assembly 4.

[0079] Furthermore, as Figure 8 and Figure 9 shown, the positioning structure in the above embodiment includes at least one positioning pin 4212, and these positioning pins 4212 are sequentially arranged in the receiving groove 4211 of the transmission rack 421. Correspondingly, the first transmission member 432 is provided with positioning holes 4322, and the sizes of these positioning holes 4322 match those of the positioning pins 4212 to achieve the fitting connection between the two.

[0080] It can be understood that the cooperation between the positioning pin 4212 and the positioning hole 4322 plays a crucial role. They ensure the correct position of the first transmission member 432 in the receiving groove 4211 and prevent any form of misalignment or displacement. In addition, the design of the positioning structure also takes into account the requirements of easy assembly and maintenance. The simple and effective cooperation method of the positioning pin 4212 and the positioning hole 4322 makes the installation and positioning process of the first transmission member 432 fast and accurate, greatly simplifying the assembly and maintenance work of the entire device.

[0081] In another embodiment, as Figure 8 shown, the positioning structure includes at least one buckle group, and each buckle group contains two buckles 4213, and these two buckles 4213 are respectively arranged on the opposite sides of the transmission rack 421. Such a design enables the two buckles 4213 to form a stable clamping connection with the bottom of the first transmission member 432, thereby effectively preventing the first transmission member 432 from being misaligned or displaced during movement, ensuring the stability and reliability of the entire transmission system.

[0082] By using this buckle group, not only is the complexity of the traditional positioning structure simplified, but also the convenience of assembly is improved. During the actual assembly process, the bottom of the first transmission member 432 cooperates with the buckle 4213 of the buckle group. Through the elastic deformation and reset of the buckle 4213, quick and stable clamping is achieved. This design reduces the assembly time, lowers the maintenance cost, and at the same time improves the durability and long-term stability of the entire antenna downtilt angle display device.

[0083] Moreover, the buckle group design in this embodiment can be combined with the positioning pin 4212 and positioning hole 4322 designs in the above embodiment. The quick clamping between the transmission rack 421 and the first transmission member 432 is realized through the buckle 4213, and at the same time, the first transmission member 432 is accurately positioned through the positioning pin 4212, effectively improving the assembly efficiency and the stability and firmness of the structure.

[0084] In one embodiment, as Figure 9 shown, the first transmission member 432 in the above embodiment specifically includes a first docking portion 4321 and a second docking portion 4323. The bottom of the first docking portion 4321 is fixedly connected to the top of the second docking portion 4323, so that at least part of the first docking portion 4321 corresponds to the top of the first transmission member 432, and at least part of the second docking portion 4323 corresponds to the bottom of the first transmission member 432.

[0085] Among them, the upper surface of the first docking portion 4321 and the end of the connecting rod 4312 are both provided with corresponding sliding connection structures, and the slidable connection between the two is realized through the sliding connection structures. The second docking portion 4323 is fixedly connected to the first docking portion 4321, and is cooperatively connected to the phase shifter 5 at the end on the side far from the lower end cover 2 to achieve phase adjustment.

[0086] As Figure 7 shown, the second docking portion 4323 is arranged in the receiving groove 4211 of the transmission rack 421, so that the first transmission member 432 is relatively fixed to the transmission rack 421. During the working process of this antenna downtilt angle display device, under the action of the control signal, the driving motor 42 starts and transmits the power to the transmission box 41 through the motor output end 411, causing the transmission rack 421 to perform a linear motion. Thus, the first transmission member 432 thereon synchronously performs a linear motion. Due to the sliding connection structure between the first docking portion 4321 and the end of the connecting rod 4312, the linear motion of the first docking portion 4321 simultaneously drives the connecting rod 4312, and further drives the identification main body 4311 to move, realizing real-time angle display.

[0087] Specifically, as Figure 5 and Figure 9As shown, the sliding connection structure in the above embodiment is a mutually cooperating guide rail and a void portion 4313. In the drawing, the guide rail is provided on the first docking portion 4321, while the void portion 4313 is provided at the end of the connecting rod 4312. When the first transmission member 432 performs a linear motion, the connecting rod 4312 slides along the extension direction of the guide rail through the void portion 4313 at its end, causing the identification main body 4311 to perform a linear motion under the guiding action of the guiding member 203. Conversely, it can also be achieved, that is, the guide rail can be provided at the end of the connecting rod 4312, and the void portion 4313 can be provided on the first docking portion 4321.

[0088] Based on the above embodiment, at least one roller 4316 is further provided at the end of the connecting rod 4312 on the side away from the identification main body 4311. When the connecting rod 4312 slides relative to the first docking portion 4321, the roller 4316 rolls synchronously on the upper surface of the first docking portion 4321. Specifically, reference can be made to the attached Figure 6 description. The roller 4316 is arranged in the void portion 4313 at the end of the connecting rod 4312, enabling it to form a rolling contact with the upper surface of the first docking portion 4321. This rolling mechanism replaces the traditional sliding friction. By converting the sliding motion into a rolling motion, the smoothness and accuracy of the transmission are improved.

[0089] It can be understood that the rolling contact of the roller 4316 significantly reduces the friction force between the connecting rod 4312 and the first docking portion 4321. Due to the reduction of the friction force, the overall efficiency of the transmission system is improved, making the display of the antenna's downward tilt more rapid and sensitive. On the other hand, the roller 4316 provides a more stable transmission path, reducing the tremors or unstable motions caused by friction.

[0090] In addition, in some embodiments, by increasing the number of rollers 4316, the load on the connecting rod 4312 can be further dispersed, improving the stability and load-bearing capacity of the transmission.

[0091] It should be noted that the above embodiments can be freely combined as needed. The above is only the preferred embodiment of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present application, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present application.

Claims

1. An antenna downtilt angle display device, characterized in that, It is disposed inside the base station antenna and includes a transmission component and an angle display component; The transmission component is disposed on the reflector of the base station antenna and is respectively connected to the angle display component and the phase shifter of the base station antenna in a cooperative manner, so as to display the phase shift angle of the phase shifter through the angle display component; The angle display component is stacked with the transmission component and does not exceed the lower end cover of the base station antenna.

2. The antenna downtilt angle display device according to claim 1, characterized in that The angle display component includes an identification member, and a plurality of scale values for indicating the phase shift angle are provided on the identification member, and the identification member is connected to the transmission component in a cooperative manner; The lower end cover is provided with a display area. When the transmission component drives the identification member to move, the identification member slides relative to the display area, so as to display the scale value corresponding to the real-time phase shift angle on the display area.

3. The antenna downtilt angle display device according to claim 2, characterized in that The lower end cover is further provided with an identification pointer, the identification pointer is disposed adjacent to the display area, and points to the display area to assist in identifying the corresponding scale value.

4. The antenna downtilt angle display device according to claim 2, characterized in that The identification member includes an identification main body and a connecting rod, and the angle display component further includes a guiding member. A plurality of the scale values are provided on the identification main body, one end of the connecting rod is fixedly connected to the identification main body, and the other end is connected to the transmission component in a cooperative manner; The guiding member is disposed on the side of the lower end cover facing the transmission component, and the identification main body is slidably connected to the guiding member, so that it moves along the extending direction of the guiding member when moving.

5. The antenna downtilt angle display device according to claim 4, characterized in that The transmission component includes at least one first transmission member, the connecting rod is slidably embedded in the top of the first transmission member, and there is a height difference between the starting end of the top contour and the ending end of the top contour in any one of the first transmission members; When the first transmission member drives the connecting rod to move, the connecting rod displaces along the top contour, so that the identification main body synchronously rises or falls under the guiding action of the guiding member.

6. The antenna downtilt angle display device according to claim 5, characterized in that The shape of the top contour of the first transmission member is one of a polyline, an arc, and a straight line.

7. The antenna downtilt angle display device according to claim 5, characterized in that The transmission component further includes a transmission box and a transmission rack. The transmission rack has a receiving groove and a positioning structure. The bottom of the first transmission member is disposed in the receiving groove and is positioned by the positioning structure to prevent the first transmission member from being misaligned or displaced; The transmission rack is installed in the transmission box, and the transmission box is used to output power so that the transmission rack can perform a linear motion, thereby driving the first transmission member to move.

8. The antenna downtilt angle display device according to claim 7, characterized in that The positioning structure includes at least one positioning pin, the positioning pin is arranged in the accommodating groove, and a positioning hole matched with the positioning pin is arranged on the first transmission member; and / or, The positioning structure includes at least one buckle group. One buckle group includes two buckles, and the two buckles are respectively arranged on opposite sides of the transmission rack and are used for forming a clamping connection with the bottom of the first transmission member.

9. The antenna downtilt angle display device according to any one of claims 5-8, wherein The first transmission member includes a first docking portion and a second docking portion. The bottom of the first docking portion is fixedly connected to the top of the second docking portion, and the end of the second docking portion away from the lower end cover is in cooperation connection with the phase shifter; A sliding connection structure is arranged on the upper surface of the first docking portion and the end of the connecting rod to realize the slidable embedding connection between the two.

10. The antenna downtilt angle display device according to claim 9, wherein At least one roller is further arranged at the end of the connecting rod away from the identification main body. When the connecting rod slides relative to the first docking portion, the roller rolls synchronously with the upper surface of the first docking portion.

11. The antenna downtilt angle display device according to any one of claims 1-8 and 10, characterized in that, It further includes: A driving motor, which is fixedly arranged on the reflector of the antenna and is correspondingly connected to the transmission component to provide driving force for the transmission component.

12. The antenna downtilt angle display device according to claim 11, wherein The driving motor includes a motor output end and a motor input end. The motor input end is used for receiving a control signal, and the motor output end is connected to the transmission component so that the transmission component can drive the angle display component to move.

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