Multi-band circularly polarized antenna

Abstract

The utility model relates to the technical field of circularly polarized antennas, in particular to a multi-band circularly polarized antenna, which comprises an installation bottom plate and an antenna body and further comprises a protection assembly, the protection assembly comprises an outer protection frame, a directional guide rail, a sliding block, an installation base, an installation rack, a rotating base, a rotating door and a lifting component, and the outer protection frame is fixedly connected with the installation bottom plate. The directional guide rail is fixedly connected with the outer protective frame, the sliding block is slidably connected with the directional guide rail, the mounting base is fixedly connected with the sliding block, the mounting rack is connected with the mounting base and the antenna body, the rotating base is fixedly connected with the outer protective frame, the rotating door is rotatably connected with the rotating base, and the lifting component is arranged on the mounting bottom plate and connected with the sliding block. And through shielding protection of the protective frame and the rotating door, the antenna body is prevented from being damaged by collision when not in use.

Description

Technical Field

[0001] The utility model relates to the technical field of circular polarization antennas, in particular to a multi-band circular polarization antenna. Background Art

[0002] Traditional circularly polarized antennas are composed of two antennas. The shielding effect between the two antennas will affect the axial ratio of the antennas. In addition, they have dual-port outputs and need to be connected to two systems, which will result in high operating costs.

[0003] In the prior art, CN202094307U discloses a multi-band low-profile circularly polarized antenna, comprising a metal reflector box with an opening on one side, a partition is arranged in the metal reflector box, and a radiation microstrip board and a power-dividing microstrip board are arranged on both sides of the partition, respectively. The radiation microstrip board is fixedly connected to the partition through a feeding probe, and the power-dividing microstrip board is fixed to the other side of the partition through a conductive adhesive; the front of the radiation microstrip board is a radiation patch, and the back is provided with a coupling feeder line; the side where the power-dividing microstrip board is connected to the partition is a ground terminal, and the other side is provided with a power-dividing network. The multi-band low-profile circularly polarized antenna provided by the utility model has two types of microstrip boards, namely, a radiation microstrip board and a power-dividing microstrip board, which are separated by a partition and both are made of materials with low dielectric constants; the coupling feeding technology and four-arm feeding are adopted to effectively broaden the standing wave ratio bandwidth of the antenna, and the bandwidth can reach 25%, which can completely cover the Beidou II and GPS bands.

[0004] However, the existing antenna is usually exposed to the outside during installation, so that the antenna body is easy to move and is easily damaged by external collisions when not in use. Utility Model Content

[0005] The utility model aims to provide a multi-band circularly polarized antenna, aiming to solve the problem that the existing antenna is usually exposed to the outside during installation, making the antenna body easy to move and easily damaged by external collision when not in use.

[0006] To achieve the above object, the utility model provides a multi-band circularly polarized antenna, comprising a mounting base plate and an antenna body, wherein the antenna body is located on one side of the mounting base plate.

[0007] Also includes protection components,

[0008] The protective assembly includes an outer guard frame, a directional guide rail, a sliding block, a mounting base, a mounting frame, a rotating base, a rotating door and a lifting component. The outer guard frame is fixedly connected to the mounting base plate and is located on one side of the mounting base plate. The directional guide rail is fixedly connected to the outer guard frame and is located on a side of the outer guard frame close to the mounting base plate. The sliding block is slidably connected to the directional guide rail and is located on one side of the directional guide rail. The mounting base is fixedly connected to the sliding block and is located on one side of the sliding block. The mounting frame is respectively connected to the mounting base and the antenna body. The mounting frame is located on a side of the mounting base close to the antenna body. The rotating base is fixedly connected to the outer guard frame and is located on one side of the outer guard frame. The rotating door is rotatably connected to the rotating base and is located on one side of the rotating base. The lifting component is arranged on the mounting base and connected to the sliding block.

[0009] Among them, the lifting component includes a rotating motor and a rotating screw, the rotating motor is fixedly connected to the mounting base plate and is located on a side of the mounting base plate close to the directional guide rail; the rotating screw is connected to the output end of the rotating motor and is threadedly connected to the sliding block, and is located on a side of the rotating motor close to the sliding block.

[0010] Wherein, the protection component also includes a flip handle, which is fixedly connected to the rotating door and is located on one side of the rotating door.

[0011] Wherein, the protection component also includes an observation window, which is fixedly connected to the outer protective frame and is located on one side of the outer protective frame.

[0012] Wherein, the protection component also includes a supporting member, which includes a supporting guide rail and a supporting block. The supporting guide rail is fixedly connected to the outer protective frame and is located on one side of the outer protective frame; the support block is slidably connected to the supporting guide rail and is fixedly connected to the mounting base, and is located on a side of the supporting guide rail close to the mounting base.

[0013] The utility model provides a multi-band circularly polarized antenna, in which the lifting component can drive the sliding block to move up and down in the directional guide rail, the sliding block can drive the mounting base to move up and down through the up and down movement of the mounting base, the mounting frame can drive the mounting frame to move up and down through the up and down movement of the mounting frame, and the antenna body can be driven to move up and down through the up and down movement of the mounting frame, so that when the antenna body moves upward and out of the outer protective frame, the antenna body can be used, and when the antenna body is used, it moves downward and into the outer protective frame, and the rotating door is flipped to cover the outer protective frame, so that the antenna body is protected by the outer protective frame and the rotating door to avoid being damaged by bumps when not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a structural schematic diagram of a multi-band circularly polarized antenna according to the first embodiment of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the protection component of the first embodiment of the utility model.

[0017] Figure 3 It is a structural schematic diagram of a multi-band circularly polarized antenna according to a second embodiment of the utility model.

[0018] Figure 4 It is a structural schematic diagram of a supporting component of the second embodiment of the utility model.

[0019] In the figure: 101-mounting base plate, 102-antenna body, 103-protection component, 104-outer protective frame, 105-directional guide rail, 106-sliding block, 107-mounting base, 108-mounting frame, 109-rotating base, 110-rotating door, 111-flip handle, 112-observation window, 113-rotating motor, 114-rotating screw, 201-supporting member, 202-supporting guide rail, 203-supporting block. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] The first embodiment of the present application is:

[0022] See also Figure 1 and Figure 2 ,in Figure 1 It is a structural schematic diagram of a multi-band circularly polarized antenna according to the first embodiment of the utility model. Figure 2 It is a structural schematic diagram of the protection component of the first embodiment of the utility model.

[0023] The utility model provides a multi-band circular polarization antenna, including a mounting base plate 101, an antenna body 102 and a protective assembly 103, wherein the protective assembly 103 includes an outer protective frame 104, a directional guide rail 105, a sliding block 106, a mounting base 107, a mounting frame 108, a rotating base 109, a rotating door 110, a lifting component, a flip handle 111 and an observation window 112, wherein the lifting component includes a rotating motor 113 and a rotating screw 114. The above-mentioned solution solves the problem that the existing antenna is usually exposed to the outside world during the installation process, making the antenna body easy to move and be easily damaged by external collisions when not in use. It can be understood that the above-mentioned solution can be used when it is necessary to shield and protect the antenna when it is moving and not in use.

[0024] In this embodiment, the antenna body 102 is disposed on the mounting base plate 101 , and the mounting base plate 101 is used to connect and support the antenna body 102 , and the antenna body 102 is used to receive multi-band signals.

[0025] The outer guard frame 104 is fixedly connected to the mounting base plate 101 and is located on one side of the mounting base plate 101. The directional guide rail 105 is fixedly connected to the outer guard frame 104 and is located on a side of the outer guard frame 104 close to the mounting base plate 101. The sliding block 106 is slidably connected to the directional guide rail 105 and is located on one side of the directional guide rail 105. The mounting base 107 is fixedly connected to the sliding block 106 and is located on one side of the sliding block 106. The mounting frame 108 is respectively connected to the mounting base 107 and the antenna body 102. The mounting frame 108 is located on a side of the mounting base 107 close to the antenna body 102. The rotating base 109 is connected to the mounting base 107 and is located on one side of the antenna body 102. The outer guard frame 104 is fixedly connected and located on one side of the outer guard frame 104. The rotating door 110 is rotatably connected to the rotating base 109 and is located on one side of the rotating base 109. The lifting component is arranged on the mounting base plate 101 and is connected to the sliding block 106. The outer guard frame 104 is fixedly installed on the mounting base plate 101 with bolts, and the connection support of the outer guard frame 104 is realized through the mounting base plate 101. The directional guide rail 105 is fixedly installed on the outer guard frame 104 with bolts, and the connection support of the directional guide rail 105 is realized through the outer guard frame 104. The directional guide rail 105 has a limiting slide groove, and the sliding block 106 is slidably connected to the limiting groove of the directional guide rail 105. The directional guide rail 105 can be used to limit the sliding of the sliding block 106. The mounting base 107 is fixedly installed on the sliding block 106 by bolts. The up and down movement of the sliding block 106 can drive the up and down movement of the mounting base 107. The mounting frame 108 is connected and fixed to the mounting base 107. The antenna body 102 is arranged on the mounting frame 108. The antenna body 102 can be installed on the mounting base 107 through the mounting frame 108. There are four rotating bases 109, and the four rotating bases 109 are welded on the outer guard frame. The connection and support of the rotating base 109 are realized through the outer guard frame. The rotating door There are two 110, and the two rotating doors 110 are rotatably connected to the corresponding four rotating bases 109, and the rotating bases 109 can be used to connect and support the turning of the rotating doors 110. The lifting component is arranged on the installation base plate 101 and is connected to the sliding block 106. The lifting component can provide a corresponding power source for the up and down movement of the sliding block 106, so that the lifting component can drive the sliding block 106 to move up and down in the directional guide rail 105, and the up and down movement of the sliding block 106 can drive the up and down movement of the installation base 107, and the up and down movement of the installation base 107 can drive the up and down movement of the installation frame 108.The antenna body 102 can be driven to move up and down by the up and down movement of the mounting frame 108, so that when the antenna body 102 moves upward and out of the outer protective frame, the antenna body 102 can be used. When the antenna body 102 is used, it moves downward and moves into the outer protective frame, and the rotating door 110 is flipped to cover the outer protective frame, so that the antenna body 102 is protected by the outer protective frame and the rotating door 110 to prevent the antenna body 102 from being damaged by bumps when not in use.

[0026] Secondly, the rotating motor 113 is fixedly connected to the mounting base 101 and is located on a side of the mounting base 101 close to the directional guide rail 105; the rotating screw 114 is connected to the output end of the rotating motor 113 and is threadedly connected to the sliding block 106, and is located on a side of the rotating motor 113 close to the sliding block 106. The rotating motor 113 is bolted and fixedly installed on the mounting base 101, and the connection support of the rotating motor 113 is achieved through the mounting base 101. The rotating screw 114 is connected to the output end of the rotating motor 113, and the driving output of the rotating motor 113 can drive the rotation of the rotating screw 114. The rotating screw 114 is threadedly connected to the sliding block 106. Through the directional limiting action of the thread of the rotating screw 114 and the directional guide 105 on the sliding of the sliding block 106, the rotating screw 114 can achieve the purpose of driving the sliding block 106 to move up and down in the directional guide 105 when it rotates.

[0027] At the same time, the flip handle 111 is fixedly connected to the revolving door 110 and is located on one side of the revolving door 110. There are two flip handles 111, and the two flip handles 111 are welded on the corresponding two revolving doors 110. When the operator needs to use the antenna body 102 in the outer protective frame, the flip handle 111 is used to flip and open the revolving door 110.

[0028] Finally, the observation window 112 is fixedly connected to the outer protective frame 104 and is located on one side of the outer protective frame 104 . The observation window 112 is sealed and bonded to the outer protective frame 104 . The observation window 112 allows the operator to visually observe the condition of the antenna body 102 in the outer protective frame 104 .

[0029] When using a multi-band circularly polarized antenna of the present embodiment, the lifting component can drive the sliding block 106 to move up and down in the directional guide rail 105, and the up and down movement of the sliding block 106 can drive the mounting base 107 to move up and down, and the up and down movement of the mounting base 107 can drive the mounting frame 108 to move up and down, and the up and down movement of the mounting frame 108 can drive the antenna body 102 to move up and down, so that when the antenna body 102 moves upward and out of the outer protective frame, the antenna body 102 can be used, and when the antenna body 102 is used, it moves downward and into the outer protective frame, and the rotating door 110 is flipped to cover the outer protective frame, so that the antenna body 102 is protected by the outer protective frame and the rotating door 110 to prevent it from being damaged by bumps when not in use.

[0030] The second embodiment of the present application is:

[0031] Based on the first embodiment, please refer to Figure 3 and Figure 4 , Figure 3 1 is a schematic diagram of the structure of a multi-band circularly polarized antenna according to a second embodiment of the present invention. Figure 4 It is a structural schematic diagram of a supporting component of the second embodiment of the utility model.

[0032] The utility model provides a multi-band circular polarization antenna which also includes a supporting member 201 . The supporting member 201 includes a supporting rail 202 and a supporting block 203 .

[0033] The support rail 202 is fixedly connected to the outer guard frame and is located on one side of the outer guard frame; the support block 203 is slidably connected to the support rail 202 and is fixedly connected to the mounting base 107, and is located on a side of the support rail 202 close to the mounting base 107. The support rail 202 is bolted and fixedly installed on the right side of the outer guard frame, and the connection and support of the support rail 202 is achieved through the outer guard frame. The support block 203 is slidably connected in the support rail 202, and the sliding of the support block 203 can be connected and supported by the support rail 202. The support block 203 is bolted and fixedly installed on the mounting base 107, so that the right side of the mounting base 107 can be connected and supported when it moves through the sliding of the support block 203, thereby improving the stability of the mounting base 107 when it moves.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A multi-band circularly polarized antenna, comprising a mounting base and an antenna body, wherein the antenna body is located on one side of the mounting base, characterized in that: Also includes protection components, The protective assembly includes an outer guard frame, a directional guide rail, a sliding block, a mounting base, a mounting frame, a rotating base, a rotating door and a lifting component. The outer guard frame is fixedly connected to the mounting base plate and is located on one side of the mounting base plate. The directional guide rail is fixedly connected to the outer guard frame and is located on a side of the outer guard frame close to the mounting base plate. The sliding block is slidably connected to the directional guide rail and is located on one side of the directional guide rail. The mounting base is fixedly connected to the sliding block and is located on one side of the sliding block. The mounting frame is respectively connected to the mounting base and the antenna body. The mounting frame is located on a side of the mounting base close to the antenna body. The rotating base is fixedly connected to the outer guard frame and is located on one side of the outer guard frame. The rotating door is rotatably connected to the rotating base and is located on one side of the rotating base. The lifting component is arranged on the mounting base and connected to the sliding block.

2. The multi-band circularly polarized antenna according to claim 1, characterized in that: The lifting component includes a rotating motor and a rotating screw. The rotating motor is fixedly connected to the mounting base and is located on a side of the mounting base close to the directional guide rail; the rotating screw is connected to the output end of the rotating motor and is threadedly connected to the sliding block, and is located on a side of the rotating motor close to the sliding block.

3. The multi-band circularly polarized antenna according to claim 1, characterized in that: The protection assembly also includes a flip handle, which is fixedly connected to the rotating door and is located on one side of the rotating door.

4. The multi-band circularly polarized antenna according to claim 1, characterized in that: The protection component also includes an observation window, which is fixedly connected to the outer protection frame and is located on one side of the outer protection frame.

5. The multi-band circularly polarized antenna according to claim 1, characterized in that: The protection component also includes a supporting member, which includes a supporting guide rail and a supporting block. The supporting guide rail is fixedly connected to the outer protective frame and is located on one side of the outer protective frame; the supporting block is slidably connected to the supporting guide rail and is fixedly connected to the mounting base, and is located on a side of the supporting guide rail close to the mounting base.

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