CPE shipborne antenna

Abstract

The CPE shipborne antenna comprises an antenna fixing support, a plurality of first antenna plates and at least one second antenna plate group, wherein the first antenna plates and the at least one second antenna plate group are arranged on the antenna fixing support; the plurality of first antenna plates are arranged side by side along the length direction of the antenna fixing support, and the second antenna plate group is arranged at the edge of the plurality of first antenna plates in the overall length direction. And each second antenna plate group comprises at least one pair of second antenna plates which are respectively arranged on the two sides of the whole plurality of first antenna plates and are arranged oppositely along the width direction of the antenna fixing bracket. According to the CPE shipborne antenna, the plurality of first antenna plates arranged side by side are arranged on the antenna fixing bracket, so that electromagnetic waves radiated by the first antenna plates in an expected direction are coherently superposed, the field intensity and the power density of the first antenna plates in the expected direction are enhanced, and the communication capability and the anti-interference capability of the CPE shipborne antenna are further improved; and the electromagnetic wave signal is captured when the electromagnetic wave signal is not attenuated excessively, so that the communication efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of communication, and particularly relates to a CPE shipborne antenna. BACKGROUND

[0002] CPE, the full name of which is Customer Premise Equipment, directly translated as customer terminal equipment, is actually a kind of mobile signal receiving and wireless WIFI signal forwarding mobile signal access equipment, which is also a kind of device for converting high-speed 4G or 5G signals into WIFI signals, and can support a larger number of mobile terminals for simultaneous online. CPE can be widely applied to the access of wireless networks in rural areas, towns, hospitals, units, factories and communities, and can save the cost of laying wired networks.

[0003] At present, the network sea area coverage LTE base station can only meet the coverage of the farthest 5km, and the base station signal cannot cover the farther sea area. The maximum frequency spectrum bandwidth of a single cell is only 20km. In view of the highlighted communication needs of coastal fishermen and crew members, the communication needs of high bandwidth, low latency and high reliability in sea routes, offshore wind farms, marine transportation, marine equipment manufacturing, cruise tourism and port terminals cannot be met. According to the free space transmission characteristics of electromagnetic waves, long-distance transmission will result in greater path loss. Taking 2.1GHz frequency as an example, when the coverage distance is 5km, the path loss is 110dB, and when the coverage distance is 50km, the path loss is as high as 132dB. Therefore, in the existing sea communication, the signal transmission loss is high, and the communication efficiency is low. SUMMARY

[0004] The purpose of the application is to provide a CPE shipborne antenna. By arranging a plurality of first antenna plates side by side on the antenna fixing support, the electromagnetic waves radiated by the first antenna plates in the desired direction are coherently superimposed, the field strength and power density of the first antenna plates in the desired direction are enhanced, and a plurality of second antenna plates are arranged opposite in the width direction of the antenna fixing support, so as to increase the frequency band supported by the CPE shipborne, thereby increasing the communication capability and anti-interference capability of the CPE shipborne antenna. The electromagnetic wave signal is captured without transition attenuation, the signal transmission loss is reduced, and the communication efficiency is improved.

[0005] The technical solution adopted by the application to solve the technical problem is to provide a CPE shipborne antenna, which comprises an antenna fixing support, a plurality of first antenna plates arranged on the antenna fixing support and at least one second antenna plate group; the plurality of first antenna plates are arranged side by side along the length direction of the antenna fixing support, and the second antenna plate group is arranged at the edge of the overall length direction of the plurality of first antenna plates. Each second antenna plate group comprises at least one pair of second antenna plates arranged opposite in the width direction of the antenna fixing support and arranged on both sides of the plurality of first antenna plates.

[0006] In the embodiment of the present application, the first antenna board comprises a board, a direct module, an antenna unit and a feed network, the direct module, the antenna unit and the feed network are integrated on the board, the direct module comprises two direct units arranged on both sides of the antenna unit respectively.

[0007] In the embodiment of the present application, the direct unit comprises at least two directors arranged side by side in sequence in the direction of the antenna unit pointing to the direct unit.

[0008] In the embodiment of the present application, a gap is provided between two adjacent first antenna boards.

[0009] In the embodiment of the present application, the distance between the centers of two adjacent first antenna boards is equal to 1.8 times the length of the first antenna board.

[0010] In the embodiment of the present application, the CPE shipborne antenna further comprises a positioning module, the positioning module and the plurality of first antenna boards are arranged on different sides of the antenna fixing support in the width direction of the antenna fixing support, and the positioning module and the second antenna board group are arranged on different sides of the antenna fixing support in the length direction of the antenna fixing support.

[0011] In the embodiment of the present application, the CPE shipborne antenna further comprises a receiving seat, the receiving seat is further provided with a signal combining board and a control unit, the signal combining board is electrically connected with the first antenna board, and the control unit is electrically connected with the signal combining board and the second antenna board.

[0012] In the embodiment of the present application, the frequency bands of the first antenna board and the second antenna board are different, and the first antenna board and the second antenna board are arranged in a face-to-face manner in the width direction of the antenna fixing support.

[0013] In the embodiment of the present application, the antenna fixing support is further provided with a shielding rib, one end of the shielding rib is connected with the second antenna board, and the other end of the shielding rib is connected with the antenna fixing support.

[0014] In the embodiment of the present application, the receiving seat is further provided with a power amplifier unit, an input end of the power amplifier unit is electrically connected with the signal combining board, and an output end of the power amplifier unit is electrically connected with the control unit.

[0015] The beneficial effects of the present application are: 1. The CPE shipborne antenna provided by the present application, by arranging multiple first antenna plates side by side on the antenna fixing support, the electromagnetic waves radiated by the first antenna plates in the desired direction are coherently superimposed, the field strength and power density of the first antenna plates in the desired direction are enhanced, and multiple second antenna plates are arranged opposite in the width direction of the antenna fixing support, so as to increase the frequency band supported by the CPE shipborne antenna, thereby increasing the communication capability and anti-interference capability of the CPE shipborne antenna, the electromagnetic wave signal is captured when the electromagnetic wave signal is not transitional attenuation, the loss during signal transmission is reduced, and the communication efficiency is improved. 2. The CPE shipborne antenna provided by the present application, the horn units are arranged on both sides of the antenna unit, so that the antenna pattern is more close to a circle, and the omnidirectionality of the radiation capability of the first antenna plate is improved. 3. The CPE shipborne antenna provided by the present application, by arranging two horn pairs side by side on one side of the antenna unit to perform phase hopping twice on the radiated wave, thereby converting the spherical wave into a quasi-plane wave, and gradually compressing the energy dissipation, and the antenna gain is improved. 4. The CPE shipborne antenna provided by the present application, by arranging shielding ribs to increase the spacing between the two second antenna plates, thereby avoiding the mutual influence between the second antenna plates. 5. The CPE shipborne antenna provided by the present application, the frequency bands of the first antenna plate and the second antenna plate are different, the first antenna plate and the second antenna plate are arranged opposite in the width direction of the antenna fixing support, and the interference between the first antenna plate and the second antenna plate is reduced. 6. The CPE shipborne antenna provided by the present application, by arranging a power amplifier unit between the signal combining board and the control unit to increase the reverse link power, so as to improve the communication distance and communication rate on the sea. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the application. In these drawings, like reference numerals are used to represent similar elements. The drawings in the following description are some embodiments of the present application, not all embodiments. For those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0017] Figure 1 FIG. 1 is a schematic view of a CPE shipborne antenna according to an embodiment of the present application; Figure 2 FIG. 2 is a front view of the CPE shipborne antenna according to the embodiment of the present application; Figure 1 FIG. 3 is a side view of the CPE shipborne antenna according to the embodiment of the present application; Figure 3 FIG. 4 is a side view of the CPE shipborne antenna according to the embodiment of the present application; Figure 1 Figure 4 ​A first antenna board of a CPE shipborne antenna according to an embodiment of the present application; Figure 5 A fixed seat of a CPE shipborne antenna according to an embodiment of the present application; Figure 6 An arrangement of a first antenna board and a second antenna board of a CPE shipborne antenna according to an embodiment of the present application; Figure 7 An antenna fixing support of a CPE shipborne antenna according to an embodiment of the present application; Figure 8 A use of a CPE shipborne antenna according to an embodiment of the present application.

[0018] In the figure: 1, an antenna fixing part; 2, an antenna fixing support; 21, a shielding rib; 3, a first antenna board; 31, a board material; 32, a director; 33, an antenna unit; 34, a feed network; 4, a second antenna board; 5, a receiving seat; 6, a signal combining board; 7, a control unit; 8, a support fixing part; 9, a fixed seat; 91, a fixed space; 92, a fixed cylinder; 93, a reinforcing rib; 10, an outer shell; 11, a positioning module; 12, a power amplifier unit. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application and the prior art, specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without paying any creative labor, and other embodiments can also be obtained. In addition, the design direction belongs to only represent the relative position relationship between the components, not the absolute position relationship.

[0020] The present application provides a CPE shipborne antenna, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 , mainly including an antenna fixing support 2, a first antenna board 3 and a second antenna board 4.

[0021] In the present application, the CPE shipborne antenna includes an antenna fixing support 2, a first antenna board 3 and a second antenna board 4, the antenna fixing support 2 is provided with an antenna fixing part 1, the first antenna board 3 and the second antenna board 4 are arranged on the antenna fixing support 2 and are detachably connected with the antenna fixing support 2 through the antenna fixing part 1, the first antenna board 3 and the second antenna board 4 are both provided with a plurality of, the first antenna board 3 is arranged along the length direction of the antenna fixing support 2 (the length direction is the direction along which the length of the antenna fixing support 2 is measured), and the second antenna board 4 is arranged along the width direction of the antenna fixing support 2 (the width direction is the direction along which the width of the antenna fixing support 2 is measured).Figure 2 The second antenna plates 4 are arranged in parallel on the first antenna plates 3, and the second antenna plates 4 are arranged opposite to each other in the width direction of the antenna fixing support 2. Figure 3 The second antenna plates 4 are arranged in parallel on the first antenna plates 3, and the second antenna plates 4 are arranged opposite to each other in the width direction of the antenna fixing support 2. Figure 3 The second antenna plates 4 are arranged in parallel on the first antenna plates 3, and the second antenna plates 4 are arranged opposite to each other in the width direction of the antenna fixing support 2.

[0022] Further, the antenna fixing part 1 is a threaded hole, and the first antenna plate 3 or the second antenna plate 4 is fixed on the antenna fixing support 2 through a bolt. The first antenna plate 3 is a low-frequency antenna plate, and the second antenna plate 4 is a high-frequency antenna plate. The low-frequency supports 690-960 MHz, and the high-frequency supports 1700-2700 MHz.

[0023] When the two first antenna plates 3 are opposite to each other, the electromagnetic field of one of the first antenna plates 3 will strongly act on the adjacent first antenna plate 3, change the current distribution on the surface of the adjacent first antenna plate 3, and the radiation pattern of the first antenna plate 3 will be severely distorted by the adjacent first antenna plate 3, become unpredictable and generally performance is reduced (for example, the main lobe is widened, the side lobe is lifted, and the zero point disappears), thereby causing the distortion of the radiation pattern of the first antenna plate 3. In order to avoid the distortion of the radiation pattern of the first antenna plate 3, a gap is arranged between the two adjacent first antenna plates 3.

[0024] Further, the distance between the centers of the two adjacent first antenna plates 3 is equal to 1.8 times the length of the first antenna plate 3, which avoids the distortion of the radiation pattern of the first antenna plate 3 and saves the space occupied by the CPE shipborne antenna as much as possible.

[0025] Specifically, the first antenna plate 3 is provided with three, the second antenna plate 4 is provided with two, the three first antenna plates 3 are arranged side by side, the second antenna plate 4 is arranged on both sides of the first antenna plate 3 at the edge, and the carrier plate is arranged at one end of the antenna fixing support 2 close to the second antenna plate 4, the maximum radiation gain of the three first antenna plates 3 is at the central position (regarding the three first antenna plates 3 as a whole), and the second antenna plate 4 is arranged at one end away from the center of the three first antenna plates 3 (regarding the three first antenna plates 3 as a whole), so that the second antenna plate 4 is away from the maximum radiation gain of the three first antenna plates 3, to avoid the influence of the first antenna plate 3 and the second antenna plate 4 on each other.

[0026] In an implementation, the first antenna plate 3 includes a plate 31, a guide module, an antenna unit 33 and a feed network 34, the guide module, the antenna unit 33 and the feed network 34 are integrated on the plate 31, the guide module includes guide units arranged on both sides of the antenna unit 33 respectively, the first antenna plate 3 is provided with a fixing hole, a bolt penetrates the first antenna plate 3 and is screwed with a nut after the antenna fixing support 2, so as to fix the first antenna plate 3. By arranging the guide unit on both sides of the antenna unit 33, the pattern of the antenna is more close to a circle, and the omnidirectionality of the detection range of the first antenna plate 3 is improved.

[0027] Further, the guide unit includes at least two guides 32 arranged side by side in sequence in the direction of the antenna unit 33 pointing to the guide unit, the two guides 32 arranged side by side are arranged on one side of the antenna unit 33, the phase of the radiated wave is changed twice, and then the spherical wave is converted into a quasi-plane wave, the energy dissipation is compressed step by step, the antenna gain is improved, and the arrangement direction of the guide strip is the same as the polarization direction of the antenna plate, so that the antenna and the signal source can be coupled, and the signal attenuation is reduced.

[0028] It should be noted that the second antenna plate 4 is also provided with the same structure. The antenna fixing support 2 is also provided with a ladder-shaped frame, the ladder-shaped frame is detachably connected with the antenna fixing support 2, and the ladder-shaped frame and the second antenna plate 4 are detachably connected through bolts.

[0029] Further, the antenna unit 33 includes a dipole, the dipole is used to receive or emit electromagnetic waves, and the dipole is made flat, so as to reduce the directional radiation ability of the antenna plate.

[0030] In an implementation, the CPE shipborne antenna further includes a receiving seat 5, the receiving seat 5 and the antenna fixing support 2 are provided with fixing holes, a bolt penetrates the fixing holes and is screwed with a nut to realize detachable connection of the receiving seat 5 and the antenna fixing support 2.

[0031] Further, the receiving seat 5 is provided with a signal combining board 6 and a control unit 7, the signal input end of the signal combining board 6 is electrically connected with the first antenna board 3, the output end of the signal combining board 6 is electrically connected with the control unit 7, the control unit 7 is also electrically connected with the second antenna board 4, and the control unit 7 can be one or a combination of several of a central processing unit (CPU), a graphics processing unit (GPU) and a modem.

[0032] In an implementable manner, the antenna fixing support 2 is further provided with a support fixing part 8, the CPE shipborne antenna is further provided with a fixing seat 9, the fixing seat 9 is further provided with a fixing space 91, the support fixing part 8 is embedded in the fixing space 91, and the fixing seat 9 is connected with the receiving seat 5 through bolts. The fixing seat 9 is arranged to strengthen the connection between the antenna fixing support 2 and the receiving seat 5, avoid the shaking of the antenna fixing support 2, improve the stability of the CPE shipborne antenna during the operation on the sea, and further improve the signal accuracy and the stability of the signal receiving process. The antenna fixing support 2 is provided with a threaded hole, the fixing seat 9 is provided with a through hole, the bolt is screwed with the threaded hole after penetrating through the through hole, and the connection between the fixing seat 9 and the antenna fixing support 2 is strengthened.

[0033] Further, the fixing seat 9 includes a fixing cylinder 92 and a reinforcing rib 93, the fixing space 91 is arranged in the fixing cylinder 92, the fixing cylinder 92 is detachably connected with the antenna fixing support 2 and the receiving seat 5, and the reinforcing rib 93 is arranged in a central symmetry along the fixing seat 9. The reinforcing rib 93 is arranged to improve the structural strength of the fixing seat 9 and further improve the supporting effect of the fixing seat 9 on the antenna fixing support 2.

[0034] In an implementable manner, the first antenna board 3 and the second antenna board 4 are arranged in a positive direction along the width direction of the antenna fixing support, and then the maximum gain directions of the first antenna board 3 and the second antenna board 4 are completely overlapped in space. At this time, the high-frequency narrow beam is completely embedded in the low-frequency wide beam, and then the service area of the antenna is seamlessly connected.

[0035] Preferably, the antenna fixing support 2 is further provided with a shielding rib 21, the first end of the shielding rib 21 is detachably connected with the trapezoidal frame of the second antenna board 4, and the other end is fixedly connected with the antenna fixing support 2. At this time, the first antenna board 3 is provided with a through hole for the shielding rib 21 to penetrate. The shielding rib 21 is arranged to increase the spacing between the two second antenna boards 4, and then reduce the influence phenomenon between the two second antenna boards 4.

[0036] In an implementation, a positioning module 11 is arranged on the side of the antenna fixing support 2 away from the first antenna plate 3, the positioning module is arranged on the side of the antenna fixing support 2 away from the first antenna plate 3 along the width direction of the antenna fixing support 2, and the positioning module 11 is also located on the side away from the second antenna plate 4 along the length direction of the antenna fixing support 2. The positioning module 11 is electrically connected with the control unit 7. The positioning module 11 is arranged to provide real-time position information for the device, so as to improve the route accuracy during sea transportation. The positioning module 11 is arranged away from the first antenna plate 3 and the second antenna plate 4, so as to reduce the electromagnetic interference of the positioning module 11 on the first antenna plate 3 and the second antenna plate 4, and improve the signal receiving strength of the first antenna plate 3 and the second antenna plate 4. Specifically, the positioning module 11 can be a GPS module fixed on the antenna fixing support 2 by bolts.

[0037] Further, the positioning module 11 is located between two adjacent first antenna plates 3.

[0038] In mobile communication, due to the great difference in transmission power, antenna and radio frequency device performance between the base station and the mobile phone, the forward and reverse links are unbalanced. The robustness of the reverse link from the mobile phone to the base station is often weaker than the forward link from the base station to the mobile phone. In particular, in the 5G network, the base station power is increased by several times, but the mobile phone power is not improved, so that the uplink coverage range is further reduced. Therefore, the power amplifier unit 12 is further arranged on the receiving seat 5. The input end of the power amplifier unit 12 is electrically connected with the output end of the signal combining board 6, and the output end of the power amplifier unit 12 is electrically connected with the control unit 7. The power amplifier unit 12 is arranged between the signal combining board 6 and the control unit 7 to increase the reverse link power, so as to improve the communication distance and the communication rate on the sea.

[0039] Specifically, the power amplifier unit 12 can be a solid-state power amplifier, such as an LDMOS PA, or a vacuum tube power amplifier, such as a traveling wave tube amplifier.

[0040] In an implementation, the CPE shipborne antenna further comprises a shell 10, the shell 10 is provided with an antenna containing cavity, the antenna fixing support 2 is arranged in the antenna containing cavity, the antenna fixing support 2 and the shell 10 are both provided with fixing holes, and the antenna fixing support 2 and the shell 10 are detachably connected through fixing bolts. The shell 10 is arranged to protect the antenna fixing support 2 and the devices on the antenna fixing support 2, so as to improve the service life of the devices.

[0041] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it should be taken in its broadest possible sense. For example, the terms "on", "above", "upper", "lower", and "under" are used herein to denote relative positioning when the apparatus is in an upright position on a horizontal surface. Such relative positioning descriptions can be modified to refer to other orientations of the apparatus, such as when the apparatus is in an inverted position on a vertical surface, or when the apparatus is in a horizontal position on a vertical surface. It is to be understood that the terms so used are intended to encompass different orientations of the device.

[0042] The foregoing is considered as illustrative only of the principles of the application. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the application to the exact construction and practice described. Accordingly, all such variations are intended to be included within the scope of the present application as defined in the following claims.

Claims

1. A CPE shipborne antenna, characterized in that, The antenna fixing support (2) is provided with a plurality of first antenna plates (3) and at least one second antenna plate (4) group. The plurality of first antenna plates (3) are arranged side by side along the length direction of the antenna fixing support (2), and the second antenna plate (4) group is arranged at the edge of the overall length direction of the plurality of first antenna plates (3). Each second antenna plate (4) group comprises at least one pair of second antenna plates (4) arranged opposite to each other along the width direction of the antenna fixing support (2) and arranged on both sides of the plurality of first antenna plates (3).

2. A CPE shipboard antenna according to claim 1, characterized in that, The first antenna plate (3) comprises a plate material (31), a directing module, an antenna unit (33) and a feed network (34). The directing module, the antenna unit (33) and the feed network (34) are integrated on the plate material (31). The directing module comprises two directing units arranged on both sides of the antenna unit (33) respectively.

3. A CPE shipboard antenna according to claim 2, characterized in that, The directing unit comprises at least two directors (32) arranged side by side in sequence along the direction of the antenna unit (33) pointing to the directing unit.

4. A CPE shipboard antenna according to claim 2, wherein, A gap is arranged between two adjacent first antenna plates (3).

5. A CPE shipboard antenna according to claim 4, characterized in that, The distance between the centers of two adjacent first antenna plates (3) is equal to 1.8 times the length of the first antenna plate (3).

6. A CPE shipboard antenna according to claim 1, characterized in that, The CPE shipborne antenna further comprises a positioning module (11) arranged on different sides of the antenna fixing support (2) along the width direction of the antenna fixing support (2) together with the plurality of first antenna plates (3). The positioning module (11) and the second antenna plate (4) group are arranged on different sides of the antenna fixing support (2) along the length direction of the antenna fixing support (2).

7. A CPE shipboard antenna according to claim 1, wherein, The CPE shipborne antenna further comprises a receiving seat (5) provided with a signal combining plate (6) and a control unit (7). The signal combining plate (6) is electrically connected with the first antenna plate (3), and the control unit (7) is electrically connected with the signal combining plate (6) and the second antenna plate (4).

8. A CPE shipboard antenna according to claim 7, characterized in that, The frequency bands of the first antenna plate (3) and the second antenna plate (4) are different, and the first antenna plate (3) and the second antenna plate (4) are arranged opposite to each other along the width direction of the antenna fixing support.

9. A CPE shipboard antenna according to claim 8, characterized in that, The antenna fixing support (2) is further provided with a shielding rib (21) connected with the second antenna plate (4) at one end and connected with the antenna fixing support (2) at the other end.

10. A CPE shipboard antenna according to claim 7, characterized in that, The receiving seat (5) is further provided with a power amplifier unit (12) having an input end electrically connected with the signal combining plate (6) and an output end electrically connected with the control unit (7).

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