CN216488506U

CN216488506U - 3.3GHz-3.7GHz frequency band single polarization panel antenna and communication base station

Info

Publication number: CN216488506U
Application number: CN202122221298.7U
Authority: CN
Inventors: 王卫权; 王桦; 陈加友
Original assignee: Shanghai Zhongxing Yilian Communication Co ltd
Current assignee: Shanghai Zhongxing Yilian Communication Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-05-10
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a 3.3GHz-3.7GHz band single-polarization flat antenna which comprises an outer cover and a reflection bottom plate, wherein a printed circuit board is arranged inside the outer cover and arranged on one surface of the reflection bottom plate, a patch oscillator and a feed network are arranged on the printed circuit board, and the feed network is communicated with the patch oscillator. The structure can ensure that the patch oscillator and the feed network are kept on the same plane, and the printed circuit board is of a single-sided epoxy resin board structure, so that the antenna can reduce call loss and interference in the using process, and has the advantages of reducing the antenna cost, improving the production efficiency and improving the service quality.

Description

3.3GHz-3.7GHz frequency band single polarization panel antenna and communication base station

Technical Field

The utility model mainly relates to the technical field of wireless communication, in particular to a single-polarized flat antenna with a frequency band of 3.3GHz-3.7 GHz.

Background

With the development of communication technology, networks have been deeply involved in the aspects of people's lives, and become an essential part of people's lives. The development of wireless networks is more rapid, and the requirements for the stability and efficiency of wireless networks are continuously improved due to the continuous deepening of the application of wireless networks in various fields and the pursuit of the public on the use experience of the wireless networks.

An antenna is an essential component of any radio communication system. The tasks to be performed by the various types of radio devices are different, but the role of the antenna in the device is substantially the same. Any radio device communicates information over radio waves. From 2G to 4G, the mobile base station antenna undergoes processes of omnidirectional antenna, directional single-polarized antenna, directional dual-polarized antenna, electrically-adjusted single-polarized antenna, electrically-adjusted dual-polarized antenna, dual-frequency electrically-adjusted dual-polarized to multi-frequency dual-polarized antenna, MIMO antenna, active antenna and the like.

For a single-polarized panel antenna with a frequency range of 3.3GHz-3.7GHz, the currently used antenna mainly adopts a metal stamping part or a cable for feeding, the manufacturing process is relatively complicated, the oscillator and the feeding network are difficult to be kept on the same plane, and the number of welding points is large, so that the problems of unstable electrical performance, poor consistency and the like exist. In addition, the metal stamping part is easy to deform, difficult to process and assemble, high in cost, easy to oxidize after long service time and gradually poor in electrical performance index. Therefore, a 3.3GHz-3.7GHz single-polarized flat antenna with low cost, simple manufacture, high consistency passing rate, difficult oxidation of the oscillator and capability of ensuring service quality is urgently needed in the market.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the problems, the utility model provides a single-polarized flat antenna with a frequency band of 3.3GHz-3.7GHz, which has the advantages of low cost, simple manufacture, higher consistent passing rate, difficult oxidation of a vibrator and the like.

The 3.3GHz-3.7GHz frequency band single-polarization flat antenna comprises an outer cover and a reflection bottom plate, and is characterized in that a printed circuit board is further arranged inside the outer cover and arranged on one surface of the reflection bottom plate, and the printed circuit board is provided with:

a patch oscillator printed on the printed circuit board;

and the feed network is communicated with the patch oscillator.

In the above device, the other surface of the reflection substrate is provided with a connector.

In the above device, the connector is provided with an inner conductor.

In the above device, the feeding network is provided with a feeding point, and the feeding point is connected with the inner conductor.

In the device, the printed circuit board is of a single-sided epoxy resin board structure, and the chip array is a circular chip array.

In the device, the circular patch array comprises three pieces which are arranged in a vertical row, the interval between every two pieces is 66-70 mm, and the distance between the printed circuit board and the reflection bottom plate is 4-5 mm.

In the device, one side of the reflection bottom plate is provided with a first bolt device and an installation clamp code, and the other side of the reflection bottom plate is provided with a second bolt device.

In the above device, the reflection bottom plate is further provided with a support column, and the support column is connected with the second bolt device.

In the above device, the number of the first bolt devices is four, and the number of the first bolt devices is M5 × 15.5 press riveting bolts, the number of the second bolt devices is 3, and the number of the second bolt devices is M3 × 12 press riveting bolts, and the connector is arranged on the surface provided with the first bolt devices.

In the device, the length of the single-polarization flat antenna is 210-225 mm, the width is 115-123 mm, and the thickness is 23-26 mm; the length of the single-sided epoxy resin plate structure is 188 mm-193 mm, the width is 58 mm-63 mm, and the thickness is 0.8 mm.

The utility model has the advantages and beneficial effects that:

the utility model provides a 3.3GHz-3.7GHz band single-polarized panel antenna, which comprises an outer cover and a reflection bottom plate, wherein a printed circuit board is arranged in the outer cover and arranged on one surface of the reflection bottom plate, the printed circuit board is provided with a patch oscillator and a feed network, the patch oscillator is printed on the printed circuit board, and the feed network is communicated with the patch oscillator. The structure can reduce call loss and interference in the using process, and has the advantages of reducing antenna cost and improving production efficiency and service quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a 3.3GHz-3.7GHz single-polarized planar antenna structure according to an embodiment of the present invention;

fig. 2 is a side view of a 3.3GHz-3.7GHz band single-polarized flat-panel antenna structure according to an embodiment of the utility model.

Description of reference numerals:

1-a reflective backplane; 2-a feed network; 3-a patch oscillator; 4-a support column; 5-a second bolt means; 6-a printed circuit board; 7-a connector; 8-a first bolt arrangement; 21-feeding point

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

It should be noted that the terms "upper", "lower", "left" and "right" are used herein to describe the structure from a top view. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model provides a single-polarized flat antenna with a frequency band of 3.3GHz-3.7GHz, which can reduce call loss, interference and production cost

As shown in fig. 1 and 2, the 3.3GHz-3.7GHz band single-polarized planar antenna according to the present invention has a horizontal polarization mode, and includes a housing, a reflective substrate 1, and a printed circuit board 6. The outer cover is used for protecting the printed circuit board 6 from being oxidized easily, and therefore the antenna can keep stability in the using process. The reflective backplane 1 serves to connect the connector 7 to the printed circuit board 6 and may also serve as a signal reflector during use. One side of the reflection bottom plate 1 is provided with 4 first bolt devices 8 and installation clamp codes, the installation clamp codes are preferably L-shaped, the other side of the reflection bottom plate is provided with 3 second bolt devices 5, the side, provided with the second bolt devices 5, of the reflection bottom plate 1 is further provided with support columns, the support columns 4 can be used for supporting and fixing the printed circuit board 6, the support columns 4 are installed on the second bolt devices 5 and are connected with the printed circuit board 6 through M3 nuts, and preferably, the printed circuit board 6 is of a single-sided epoxy resin plate structure; as a preferred embodiment, the first bolt means is an M5 × 15.5 clinch bolt and the second bolt means is an M3 × 12 clinch bolt. The printed circuit board 6 is disposed inside the housing at a height of 4mm to 5mm, preferably 4.5mm, from the reflective base plate 1. Three patch oscillators 3 and a feed network 2 are printed on a printed circuit board 6, three circular patch oscillators 3 play a role in transmitting or receiving signals in the use process, the feed network 2 mainly plays a role in matching performance, and preferably, the patch oscillators 3 are circular. As a preferred embodiment, the array of three patch vibrators 3 is vertical, the spacing between the patch vibrators is 66 mm-70 mm, the diameter of the vibrator is 34.5mm-38mm, and preferably, the diameter of the vibrator is 36.5 mm. The connector 7 is arranged on the other surface of the reflection bottom plate 1 with the first bolt device 8, and an inner conductor is arranged in the connector 7; the feeding network 2 is provided with a feeding point 21, which feeding point 21 is connected to the inner conductor.

The monopole plate antenna has a length of 210mm to 225mm, a width of 115mm to 123mm, and a thickness of 23mm to 26mm, and preferably has dimensions of 219.5mm (length) x 120.5mm (width) x 24mm (thickness). The printed circuit board 6 has a length of 188mm to 193mm, a width of 58mm to 63mm, and a thickness of 0.8mm, and preferably has dimensions of 193mm (length) × 60mm (width) × 0.8mm (thickness).

One of the specific operating modes of the present invention corresponding to the above will be provided below for the skilled in the art to refer to:

as shown in fig. 1 and 2, the 3.3GHz-3.7GHz band single-polarized planar antenna according to the present invention includes a housing, a reflective substrate 1, and a printed circuit board 6. The printed circuit board 6 is arranged inside the outer cover, the dielectric parameter of the printed circuit board 6 is 4.5, the surface of the printed circuit board is protected by green spraying oil, and the height of the printed circuit board 6 from the reflecting bottom plate 1 is 4.5 mm. Meanwhile, three circular patch oscillators 3 and a feed network 2 are printed on the printed circuit board 6, the feed network 2 is communicated with the three circular patch oscillators 3, the array of the three circular patch oscillators 3 is vertical, the distance is 66 mm-70 mm, and the preferred distance is 68.5 mm.

One side of the reflection bottom plate 1 is provided with a first bolt device 8 (4M 5X 15.5 press riveting bolts), the other side is provided with a second bolt device 5 (3M 3X 12 press riveting bolts), and meanwhile, the reflection bottom plate 1 is also provided with a support column 4 which can be used for supporting and fixing the printed circuit board 6. The supporting column 4 is located on the side of the reflection plate 1 provided with the second bolt device 5, and the supporting column 4 is installed on the second bolt device 5 and is fastened and fixed by an M3 nut. The reflecting bottom plate 1 is provided with a connector 7 on one side provided with the first bolt device 8, an inner conductor is further arranged inside the connector 7, and the inner conductor is welded with the feed point of the feed network 21.

In addition, in the present embodiment, the printed circuit board 6 is a single-sided epoxy resin board structure, and the size thereof is 193mm (length) × 60mm (width) × 0.8mm (thickness); the size of the single-unit panel antenna is 219.5mm (length) multiplied by 120.5mm (width) multiplied by 24mm (thickness), the working frequency of the antenna is 3300-3700 MHz, the gain is larger than 11dBi, the horizontal beam angle and the vertical beam angle are respectively 65 and 20 degrees, and the front-to-back ratio is larger than 22 dB.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be construed as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein, and all such modifications, equivalents, improvements and equivalents as fall within the spirit and scope of the present invention are intended to be included therein.

Claims

1. The utility model provides a 3.3GHz-3.7GHz frequency channel single polarization plate antenna, includes dustcoat and reflection bottom plate, the inside printed circuit board that still is equipped with of dustcoat, set up in the one side of reflection bottom plate, printed circuit board is equipped with:

a patch oscillator printed on the printed circuit board;

the feed network is communicated with the patch oscillator;

the reflection bottom plate is characterized in that one side of the reflection bottom plate is provided with a first bolt device and an installation clamp code, and the other side of the reflection bottom plate is provided with a connector and a second bolt device.

2. The 3.3GHz-3.7GHz band single-polarized planar antenna of claim 1, wherein the connector is provided with an inner conductor.

3. The 3.3GHz-3.7GHz band single-polarized panel antenna of claim 2, characterized in that the feed network is provided with a feed point, and the feed point is connected with the inner conductor.

4. The 3.3GHz-3.7GHz band single-polarized planar antenna of claim 1, wherein the printed circuit board is a single-sided epoxy resin board structure, and the patch element is a circular patch array.

5. The 3.3GHz-3.7GHz band single-polarized panel antenna according to claim 4, characterized in that the circular patch array has three pieces and is arranged in vertical columns, the interval between each piece is 66 mm-70 mm, and the height of the printed circuit board from the reflection bottom plate is 4 mm-5 mm.

6. The 3.3GHz-3.7GHz band monopole plate antenna according to claim 1, wherein said reflective backplane further comprises a support post, said support post being connected to said second bolt means.

7. The 3.3GHz-3.7GHz band monopole plane antenna according to claim 1, wherein said first bolt means comprises a total of four M5 x 15.5 clinch bolts, said second bolt means comprises a total of 3M 3 x 12 clinch bolts, and said connector is disposed on a side on which said first bolt means is disposed.

8. The 3.3GHz-3.7GHz band single-polarized panel antenna according to claim 4, characterized in that the length of the single-polarized panel antenna is 210 mm-225 mm, the width is 115 mm-123 mm, and the thickness is 23 mm-26 mm; the length of the single-sided epoxy resin plate structure is 188 mm-193 mm, the width is 58 mm-63 mm, and the thickness is 0.8 mm.