Multi-sector antenna electrical declination adjusting device

Abstract

A multi-sector antenna electrical declination adjusting device comprises a supporting frame, an electrical declination adjusting unit and at least two antenna sector main boards are arranged on the supporting frame, the antenna sector main boards surround the outer side of the electrical declination adjusting unit, each antenna sector main board is provided with at least one phase shifter, the phase shifters are connected with phase shifting pull rods, and the phase shifting pull rods are connected with the electrical declination adjusting unit. The phase shift pull rods are connected to the antenna sector mainboard in a sliding mode in the X-axis direction, and the phase shift pull rods are detachably connected with phase shift driving levers. The electric declination adjusting unit comprises a driving assembly outputting in the X-axis direction, the driving assembly is connected with at least one driving pull rod, the driving pull rod is connected to the supporting frame in a sliding mode in the X-axis direction, the driving pull rod is connected with a phase-shifting connecting piece, and the phase-shifting connecting piece can be connected with phase-shifting driving levers of the multiple antenna sector main boards at the same time. The antenna has the advantages of being simple in structure, low in manufacturing cost, convenient to install and capable of achieving free networking of one-drive multi-mode multi-frequency and multi-sector antennas.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile communication technical field, especially a kind of multi-sector antenna electric downtilt adjustment device. BACKGROUND

[0002] Due to the continuous development and updating of mobile communication, it is necessary to support multiple modes and frequency bands by deploying a large number of base station equipment, to realize the integration and collaborative work of different network technologies, and to solve the problem of spectrum resource shortage; at the same time, in order to improve the coverage capability and communication quality of the communication system, the multi-sector antenna is mainly used in the base station antenna.

[0003] However, the electric downtilt of each sector of the traditional multi-sector antenna is controlled by a separate driving device, and when assembling the multi-sector antenna, interference between the driving devices is easy to occur, making the assembly operation extremely difficult, and also increasing the manufacturing cost of the multi-sector antenna.

[0004] Therefore, in view of the deficiencies of the prior art, it is necessary to design a multi-sector antenna electric downtilt adjustment device to solve the above problems.

[0005] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely describing the technical scheme of the utility model, and for the convenience of understanding by those skilled in the art, and the above content cannot be considered as known by those skilled in the art just because it is described in the background of the utility model. CONTENT OF THE UTILITY MODEL

[0006] In order to overcome the deficiencies in the prior art, the utility model aims to disclose a multi-sector antenna electric downtilt adjustment device, which solves the problems of difficult assembly, high cost and limited space of the multi-sector antenna.

[0007] The utility model discloses a kind of multi-sector antenna electric downtilt adjustment devices, including support frame, electric downtilt adjustment unit and at least two antenna sector mainboards are equipped on support frame, antenna sector mainboard is enclosed in the outside of electric downtilt adjustment unit, at least one phase shifter is equipped on antenna sector mainboard, phase shifter is connected with phase shift pull rod, phase shift pull rod is slidably connected on antenna sector mainboard along X axis direction, phase shift pull rod is detachably connected with phase shift lever;Electric downtilt adjustment unit includes the driving assembly output along X axis direction, at least one driving pull rod is connected on driving assembly, driving pull rod is slidably connected on support frame along X axis direction, driving pull rod is connected with phase shift connecting piece, phase shift connecting piece can be connected with the phase shift lever of multiple antenna sector mainboards simultaneously.

[0008] Preferred technical scheme: the number of driving pull rod and phase shift connecting piece is two and above.

[0009] The preferred technical scheme is as follows: the driving assembly comprises a driving frame and a driving motor, a plurality of transmission screws are rotationally connected to the driving frame along the X-axis direction, transmission blocks are threadedly connected to the outer periphery of the transmission screws, the transmission blocks are connected with corresponding driving pull rods, a transmission gear is coaxially arranged at one end of the transmission screw, adjacent transmission gears are in meshing transmission connection, the rotating shaft of the driving motor is in meshing transmission connection with the adjacent transmission gear, the plurality of driving pull rods and the phase-shifting connecting piece are controlled through the cooperation of the plurality of transmission screws and the transmission blocks, and then the multi-mode adjustment of the multi-sector antenna is realized.

[0010] The preferred technical scheme is as follows: the transmission gear is movable along the axial direction, the opposite ends of the transmission screw and the transmission gear are provided with clamping tooth surfaces, a rack is slidably connected to the driving frame on the side of the outer end of the transmission gear along the Y-axis direction, the end of the rack close to the transmission gear is provided with an adjusting protrusion, the rotating shaft of the driving motor is in meshing transmission connection with the tooth surface of the rack, the tooth surface width of the transmission gear is greater than the moving stroke range of the transmission gear along the axial direction, the connection between the transmission screw and the transmission gear is controlled through the rack and the adjusting protrusion, and then the multi-frequency adjustment of the multi-sector antenna is realized.

[0011] The preferred technical scheme is as follows: the end of the transmission gear away from the transmission screw is connected with a reset mechanism, which is used for assisting the transmission gear to move and reset to the side away from the transmission screw.

[0012] The preferred technical scheme is as follows: the driving motor is a double-shaft motor, which is used for improving the driving precision.

[0013] The preferred technical scheme is as follows: the side edge of the phase-shifting connecting piece is parallel to the end surface of the antenna sector main plate, and is convenient for being connected with the phase-shifting rod.

[0014] Thanks to the above technical scheme, the utility model has the advantages of the prior art, and the beneficial effects are as follows:

[0015] The utility model discloses a multi-sector antenna electric down tilt adjustment device, and the phase-shifting rod is arranged on the antenna sector main plate and controls the phase shifter, the phase-shifting connecting piece cooperates with the phase-shifting rod and controls the phase shifter of different antenna sector main plates simultaneously, the driving assembly cooperates with the driving pull rod, realizes the adjustment of the electric down tilt of the multi-sector antenna through one driving, reduces the occupation of the driving assembly to the space, and is simple in structure and convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the present application, the drawings needed in the description of the specific embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0017] Figure 1 It is an exploded schematic view of the multi-sector antenna electric downtilt adjustment device of the present application.

[0018] Figure 2 It is a partial enlarged view of A in the above figure. Figure 1

[0019] Figure 3 It is an exploded schematic view of the electric downtilt adjustment unit in the present application.

[0020] Figure 4 It is a partial enlarged view of B in the above figure. Figure 3

[0021] In the above drawings, 100, support frame; 1, electric downtilt adjustment unit; 11, driving assembly; 111, driving frame; 112, driving motor; 113, transmission screw; 114, transmission sliding block; 115, transmission gear; 116, rack; 117, adjusting protrusion; 118, reset mechanism; 12, driving pull rod; 13, phase-shifting connecting piece; 2, antenna sector main plate; 21, phase shifter; 22, phase-shifting pull rod; 23, phase-shifting pull rod. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described below by specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the present specification.

[0023] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so as to describe the embodiments of the present application. In addition, the terms "include" and "have" and their synonyms, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0024] ​​In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0025] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0026] In addition, the terms "mounting", "setting", "provided with", "connecting", "connecting", "sleeving", "fitting" should be understood broadly. For example, "connecting" can be fixed connection, detachable connection, or integral structure; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For example, "fitting" can be complete fitting or partial fitting. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0028] Embodiment:

[0029] As shown in Figure 1 , the utility model discloses a kind of multi-sector antenna electric downtilt adjustment device, including support frame 100, electric downtilt adjustment unit 1 and three antenna sector mainboards 2 are provided on support frame 100, the main components of the above-mentioned utility model will be described in detail below:

[0030] As shown in Figure 1 and Figure 2 , antenna sector mainboard 2 is enclosed outside electric downtilt adjustment unit 1, at least one phase shifter 21 is provided on antenna sector mainboard 2, phase shifter 21 is connected with phase shift pull rod 22, phase shift pull rod 22 is slidably connected on antenna sector mainboard 2 along X axis direction, phase shift pull rod 22 is detachably connected with phase shift lever 23.

[0031] As shown in Figure 1 , Figure 2 and Figure 3As shown, the electric downtilt adjustment unit 1 includes a drive assembly 11 output along the X-axis direction, at least one drive pull rod 12 is connected on the drive assembly 11, the drive pull rod 12 is slidingly connected on the support frame 100 along the X-axis direction, a triangular phase-shifting connecting piece 13 is connected on the drive pull rod 12, and three sides of the phase-shifting connecting piece 13 are respectively connected with three phase-shifting dials 23 on the three antenna sector main boards 2.

[0032] Reference Figure 1 , Figure 2 and Figure 3 As shown, the utility model uses the following methods and principles: when in use, the drive assembly 11 drives the drive pull rod 12 and the phase-shifting connecting piece 13 to move along the X-axis direction, the phase-shifting connecting piece 13 drives the three phase-shifting dials 23 to move synchronously, and further drives the phase-shifting pull rod 22 to move to synchronously adjust the phase shifters 21 on the three antenna sector main boards 2, so as to realize the control of one drive on the electric downtilt of the multi-sector antenna, reduce the occupation of the installation space by the drive, make the installation of the multi-sector antenna more convenient, and reduce the manufacturing cost of the multi-sector antenna.

[0033] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 Further, when the number of the drive pull rod 12 and the phase-shifting connecting piece 13 is two or more, the drive assembly 11 includes a drive frame 111 and a drive motor 112, a plurality of transmission screws 113 are rotatably connected on the drive frame 111 along the X-axis direction, a transmission sliding block 114 is threadedly connected on the outer periphery of the transmission screw 113, the transmission sliding block 114 is connected with the corresponding drive pull rod 12, a transmission gear 115 is coaxially arranged at one end of the transmission screw 113, the adjacent transmission gears 115 are in meshing transmission connection, and the rotating shaft of the drive motor 112 is in meshing transmission connection with the adjacent transmission gear 115, so that the drive motor 112 can simultaneously control a plurality of drive pull rods 12, a plurality of phase shifters 21 on the three antenna sector main boards 2 are synchronously controlled through the plurality of phase-shifting connecting pieces 13, and further realize the multi-mode adjustment of one drive on the multi-sector antenna.

[0034] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, further, the transmission gear 115 is designed to be movable forward and backward along the axial direction, the opposite ends of the transmission screw 113 and the transmission gear 115 are provided with clamping tooth surfaces, the rack 116 is slidably connected to the driving frame 111 on the side of the outer end of the transmission gear 115 along the Y-axis direction, the end of the rack 116 close to the transmission gear 115 is provided with an adjusting lug 117, the rotating shaft of the driving motor 112 is in meshing transmission connection with the tooth surface of the rack 116, the movement state of the transmission screw 113 is flexibly controlled by using the rack 116 and the adjusting lug 117, and then the phase shifter 21 controlled by the transmission screw 113 is flexibly adjusted, so that one driving realizes multi-frequency adjustment of multiple sector antennas; it should be noted that the tooth surface width of the transmission gear 115 needs to be greater than the movement stroke range of the transmission gear 115 along the axial direction, so as to avoid the transmission failure caused by the disengagement of the transmission gear 115 from other gears when moving along the axial direction.

[0035] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , further, the end of the transmission gear 115 away from the transmission screw 113 is connected with a reset mechanism 118, the transmission gear 115 is separated from the transmission screw 113 by pulling the transmission gear 115 through the reset mechanism 118, so as to avoid the movement of the transmission gear 115 driving the transmission screw 113 which does not need to be adjusted.

[0036] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , further, in order to improve the driving precision, the driving motor 112 is a double-shaft motor.

[0037] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , further, in order to facilitate assembly, the side edges of the phase shifter connecting piece 11 are arranged in parallel with the end surface of the antenna sector main plate 2.

[0038] Finally, it should be noted that the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A device for adjusting electrical downtilt of a multi-sector antenna comprising a support frame (100), characterized in that: The support frame (100) is provided with an electric downtilt adjustment unit (1) and at least two antenna sector main plates (2), the antenna sector main plates (2) are arranged on the outer side of the electric downtilt adjustment unit (1), each of the antenna sector main plates (2) is provided with at least one phase shifter (21), the phase shifter (21) is connected with a phase shifter pull rod (22), the phase shifter pull rod (22) is slidably connected with the antenna sector main plate (2) along the X-axis direction, and the phase shifter pull rod (22) is detachably connected with a phase shifter push rod (23); the electric downtilt adjustment unit (1) comprises a driving assembly (11) output along the X-axis direction, the driving assembly (11) is connected with at least one driving pull rod (12), the driving pull rod (12) is slidably connected with the support frame (100) along the X-axis direction, and the driving pull rod (12) is connected with a phase shifter connecting piece (13); the phase shifter connecting piece (13) can be connected with the phase shifter push rods (23) of a plurality of antenna sector main plates (2) at the same time.

2. The multi-sector antenna electrical downtilt adjustment device according to claim 1, characterized in that: The number of the driving pull rod (12) and the phase shifter connecting piece (13) is two or more.

3. The multi-sector antenna electrical downtilt adjustment device according to claim 2, characterized in that: The driving assembly (11) comprises a driving frame (111) and a driving motor (112), a plurality of transmission screws (113) are rotatably connected with the driving frame (111) along the X-axis direction, transmission sliding blocks (114) are connected with the transmission screws (113) through threads on the outer periphery of the transmission screws (113), the transmission sliding blocks (114) are connected with the corresponding driving pull rods (12), one end of the transmission screw (113) is coaxially provided with a transmission gear (115), adjacent transmission gears (115) are in meshing transmission connection, and the rotating shaft of the driving motor (112) is in meshing transmission connection with the adjacent transmission gear (115).

4. The apparatus of claim 3 wherein: the plurality of sectors are arranged in a plurality of rings; and the plurality of rings are arranged in a plurality of planes. The transmission gear (115) can move forward and backward along the axial direction, one end of the transmission screw (113) and the transmission gear (115) in relative position is provided with a clamping tooth surface, a rack (116) is slidably connected with the driving frame (111) along the Y-axis direction on the side of the outer end of the transmission gear (115), an adjusting protruding block (117) is arranged on one end of the rack (116) close to the transmission gear (115), the rotating shaft of the driving motor (112) is in meshing transmission connection with the tooth surface of the rack (116), and the tooth surface width of the transmission gear (115) is greater than the moving stroke range of the transmission gear (115) along the axial direction.

5. The multi-sector antenna electrical downtilt adjustment device according to claim 4, characterized in that: One end of the transmission gear (115) away from the transmission screw (113) is connected with a reset mechanism (118).

6. A device for adjusting the electrical downtilt of a multi-sector antenna according to claim 5, characterized in that: The driving motor (112) is a double-shaft motor.

7. The apparatus of claim 1 wherein: the plurality of sectors are arranged in a plurality of rings; and the plurality of rings are arranged in a plurality of planes. The side edge of the phase shifter connecting piece (13) is arranged in parallel with the end surface of the antenna sector main plate (2).

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