CN219204704U

CN219204704U - 5G cellular network access CPE equipment

Info

Publication number: CN219204704U
Application number: CN202223591421.5U
Authority: CN
Inventors: 周度月; 卢圣晃; 马天文; 罗满英
Original assignee: Shenzhen Tenda Technology Co Ltd
Current assignee: Shenzhen Tenda Technology Co Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-16
Anticipated expiration: 2032-12-27

Abstract

The utility model provides 5G cellular network access CPE equipment, and belongs to the technical field of communication equipment. The 5G cellular network access CPE equipment comprises a shell and a circuit board arranged in the shell, wherein a cellular 5G module, a WiFi radio frequency module, a power supply module and a physical interface receiving and transmitting PHY module which are respectively connected with the cellular 5G module are arranged on the circuit board, shielding tracks are reserved on the front side and the back side of each module on the circuit board, a shielding layer is additionally arranged, and the 5G cellular network access CPE equipment further comprises an antenna unit which is respectively connected with the cellular 5G module and the WiFi radio frequency module. The beneficial effects of the utility model are as follows: the hardware adopts modularized layout, shielding tracks are reserved at the positions of the modules, and a shielding layer is additionally arranged, so that the mutual interference of the modules between the circuit boards is small.

Description

5G cellular network access CPE equipment

Technical Field

The utility model relates to the technical field of communication equipment, in particular to 5G cellular network access CPE equipment.

Background

With the rapid development of mobile communication technology, especially the popularization of short video and music streaming media, the requirements of end users on network experience are also increasing. Common CPE (customer premise equipment) devices in the market have low rate, only support a single 5G network registration mode, but cannot fully exert the speed advantage of the cellular 5G network, and cannot meet the current higher network demands of users; or the scheme is complex, peripheral equipment such as an external independent CPU and a memory is required, and the cost is high; or the mutual interference among the modules in the equipment is serious, and the performance of the equipment is influenced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides 5G cellular network access CPE equipment.

The 5G cellular network access CPE equipment comprises a shell and a circuit board arranged in the shell, wherein a cellular 5G module, a WiFi radio frequency module, a power supply module and a physical interface receiving and transmitting PHY module which are respectively connected with the cellular 5G module are arranged on the circuit board, shielding tracks are reserved on the front side and the back side of each module on the circuit board, a shielding layer is additionally arranged, and the 5G cellular network access CPE equipment further comprises an antenna unit which is respectively connected with the cellular 5G module and the WiFi radio frequency module.

The utility model is further improved, and the antenna unit comprises two built-in WiFi dual-frequency antennas, four built-in LTE antennas, four built-in 5GNR antennas and two external antenna interfaces.

The utility model is further improved, the external antenna interface adopts a TS9 switch interface, and the internal antenna and the external antenna are selected to be switched through the antenna switch.

According to the utility model, the two WiFi dual-frequency antennas are arranged vertically to the circuit board and distributed on the left side and the right side of the top of the shell, and the distance between the two WiFi dual-frequency antennas is 80-100mm.

According to the utility model, the four LTE antennas are longitudinally arranged in the middle of the shell, are diagonally placed, surround the circuit board and are distributed at four corners of the shell.

The utility model is further improved, four 5GNR antennas are integrated on two PCB antennas, and the two PCB antennas are arranged on the front side and the rear side of the circuit board and the shell.

The utility model is further improved, and the distance between the power supply module and the honeycomb 5G module is more than 40mm; the distance between the WiFi dual-frequency antenna and the LTE antenna is larger than 90mm, and the antenna isolation is kept larger than-20 dB.

The utility model is further improved and further comprises a heat dissipation structure, wherein the heat dissipation structure comprises heat dissipation holes arranged on the shell.

The utility model further improves, the heat dissipation structure also comprises a graphite resin heat dissipation layer arranged on the WiFi module and the physical interface receiving and transmitting PHY module.

The utility model is further improved, and the heat dissipation structure also comprises a copper exposure area which is arranged on the back surface of the circuit board and corresponds to the main chip of the honeycomb 5G module and the power supply module.

Compared with the prior art, the utility model has the beneficial effects that:

1. the integration level is high, a high-integration-level honeycomb 5G module scheme is adopted, peripheral equipment such as an external CPU (central processing unit), a memory and the like are not needed, the structure of the whole equipment is simplified, and the layout cost is saved;

2. the hardware adopts modularized layout, shielding tracks are reserved at the positions of the modules, and a shielding layer is additionally arranged, so that the mutual interference of the modules between the circuit boards is small;

3. through the arrangement of the antennas in the shell, the isolation degree of the antennas is high, the coexistence interference of WiFi signals and cellular signals is small, and the radio frequency performance is good;

4. the coverage area is wide, through the setting of two external antenna interfaces, the external antenna of 5GNR antenna convertible, can be according to different scenes, the collocation different antennas uses.

Drawings

For a clearer description of the present application or of the solutions of the prior art, a brief introduction will be given below to the drawings used in the description of the embodiments or of the prior art, it being apparent that the drawings in the description below are some embodiments of the present application, from which other drawings can be obtained, without the inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front structure of a circuit board according to the present utility model;

FIG. 2 is a schematic diagram of the back structure of a circuit board;

FIG. 3 is a block diagram of one embodiment of a circuit board;

FIGS. 4 and 5 are schematic views showing the front structure of the inside of the apparatus of the present utility model;

FIGS. 6 and 7 are schematic views of the internal rear structure of the apparatus of the present utility model;

fig. 8 is a schematic diagram of the networking of the present utility model.

Detailed Description

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 application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings.

As shown in fig. 1-8, the 5G cellular network access CPE device of the present utility model includes a housing 1 (only a part of the housing is shown in the figure for the sake of easy viewing of the internal structure), and a circuit board 2 disposed in the housing 1, where the circuit board 2 is provided with a cellular 5G module 3, a WiFi radio frequency module 4, a power supply module 5, and a physical interface transceiver PHY module 6 (hereinafter referred to as PHY module) respectively connected to the cellular 5G module 3, where shielding tracks are reserved on the front and back sides of each module on the circuit board 2, and a shielding layer is added, and the 5G cellular network access CPE device further includes an antenna unit respectively connected to the cellular 5G module and the WiFi radio frequency module.

As shown in fig. 1 and 2, the cellular 5G module 3, the WiFi radio frequency module 4, and the power module 5 are distributed on a circuit board. In order to avoid the mutual interference between the modules, the modules need to be kept at a certain distance to increase the isolation, wherein the distance between the power module 5 and the honeycomb 5G module 3 is kept to be more than 40mm, so that the PHY module 6 and the WiFi radio frequency module 4 are arranged between the honeycomb 5G module 3 and the power module 5 up and down for making the structure more compact. Two external antenna interfaces 7 are also arranged at the edge of the circuit board 2.

In order to avoid the influence of metal materials on radio frequency performance, the WiFi radio frequency module 4 and the PHY module 6 adopt graphite resin radiators; the back of the honeycomb 5G module 3 and other module main chips PCB is exposed with copper sheets to form an exposed copper area for heat dissipation, and heat dissipation holes are formed in the bottom and the side edges of the whole machine shell, so that the whole heat dissipation performance is good.

As shown in fig. 3, as an embodiment of the present utility model, the cellular 5G module 3 of this example adopts a high-integration cellular 5G module, a CPU four-core, a main frequency of 2GHz, and is built with LPDDR4 and NandFlash, the cellular 5G module is RG500L-EU, and adopts a 3gpp rel-15 technology, supports 5GSA and NSA modes, a 5G dual carrier aggregation technology, and the like, and simultaneously supports the full coverage of multiple network systems, and is downward compatible with a 4G (Cat 19) network, and is provided with four LTE and four 5GNR antenna interfaces; the WiFi radio frequency module 4 adopts a WiFi6 dual-frequency design wireless module, and adopts a combination scheme of MT7915DAN (a highly integrated Wi-FiA/D chip) and MT7975DN radio frequency chip of MediaTek company, so that two paths of WiFi2.4G radio frequency signals can be provided, two paths of WiFi5G radio frequency signals do not need external PA, and the layout cost is saved; the WiFi radio frequency module 4 supports 2.4G and 5G dual-frequency signals, and the maximum speed is 2.4G:574Mbps and 5G:1201Mbps. The MT7975DN radio frequency signal is also connected with a Crystal oscillator; the power module 5 of this example is directly connected to the cellular 5G module 3 to power the whole circuit. The hardware of the embodiment adopts modularized layout, and the structure is simple according to comprehensive layout such as realizing functions, working frequency and speed of signals and the like.

In this example, through the cellular 5G module 3, SA/NSA/4G/Auto and the like can be manually selected to switch registered mobile networks, in addition, the signal detection circuits respectively detect the 4G/5G signal strength at the current position, and feed back the signal strength to the CPU inside the cellular 5G module, and the CPU realizes intelligent switching between the 5G and 4G networks according to the acquired signal strength.

As shown in fig. 3-7, the antenna unit of this example includes two built-in WiFi dual frequency antennas, four built-in LTE antennas, four built-in 5GNR antennas, and two external antenna interfaces. The distance between the WiFi dual-frequency antenna and the LTE antenna is larger than 90mm, and the antenna isolation is kept larger than-20 dB, so that mutual interference between modules is avoided well.

The NR and LTE antennas of the embodiment both support 4 x 4MIMO antenna data transmission, the maximum modulation mode supports 256QAM, the data transmission rate is greatly improved, and the maximum rate SA is 4.67Gbps (DL)/2.5 Gbps (UL), NSA is 3.74Gbps (DL)/1.46 Gbps (UL) and LTE is 1.6Gbps (DL)/211 Mbps (UL).

The external antenna interface 7 adopts a TS9 switch interface, and the internal antenna and the external antenna are selected to be switched through an antenna switch. Preferably, an NR5G external antenna interface is reserved in the embodiment, and the coverage range of the equipment is increased by selecting external antennas with different performances.

As shown in fig. 4-7, the utility model makes the isolation between the antennas high by arranging the antennas in the shell, the coexistence interference of the WiFi signal and the cellular signal is small, and the radio frequency performance is good. Specifically, two WiFi dual frequency antennas 8 in this example are put with circuit board 2 is perpendicular, distributes in the left and right sides at casing top, and distance between two WiFi dual frequency antennas 8 is 80-100mm, and this example generally sets up about 88 mm.

The four LTE antennas 9 are longitudinally arranged in the middle of the housing, diagonally placed around the circuit board 2, distributed at four corners of the housing, and preferably arranged at an angle to the front and rear of the device.

Four 5GNR antennas are integrated on two PCB antennas 10, and two PCB antennas 10 are arranged on the front side and the rear side of the circuit board and the shell, so that the production and the assembly are facilitated.

According to the antenna layout assembly of the embodiment, the maximum isolation between antennas is realized, the average isolation between the WiFi dual-frequency antenna 8 and the WiFi dual-frequency antenna 8 is-26.92 dB, the average isolation between the LTE antenna 9 and the LTE antenna 9 is-19.35 dB, the average isolation between the WiFi radio-frequency antenna 8 and the LTE antenna 9 is-25.08 dB, and the coexistence interference is small; and the antenna is connected with the circuit board 2 by adopting a feeder line with an IPEX head, thereby being convenient for adjustment and measurement and assembly.

Three indicator lamps 11 are arranged on one side face of the embodiment, and the cellular 5G module 3 judges the intensity of the signal to adjust the color and the state of the LED through information interaction with the registered base station and indicates through the indicator lamps 11. Therefore, the present example can adjust the device position according to the indicator lamp 11 on the whole machine for indicating the signal intensity state, so as to achieve the best internet surfing experience.

The external antenna interface 7 of this example is arranged on the other side, and in addition, two ethernet interfaces 13 and a USB interface are also arranged on this side.

As shown in fig. 8, the CPE device is wirelessly connected with the 5G base station through an NR or LTE signal, and the device of this example is compatible with a mobile network mode and a wired routing mode, and the devices such as a PC can implement wired internet access through the ethernet interface 13, or can implement wireless internet access through a mobile wireless network, and can be used by various communication network terminals.

In summary, the utility model has the following advantages:

1. the transmission rate is high, the maximum downlink rate is 4.67Gbps and the maximum uplink rate is 2.5Gbps in the 5GSA mode, the wired network port supports 1000Mbps, and the WiFi maximum rate reaches 1800Mbps;

2. the integration level is high, a high-integration-level honeycomb 5G module scheme is adopted, peripheral equipment such as an external CPU (central processing unit), a memory and the like are not needed, the structure of the whole equipment is simplified, and the layout cost is saved;

3. the wireless module adopts WiFi6 dual-frequency design, a power amplifier is arranged in a chip, and layout cost is saved;

4. the hardware adopts modularized layout, shielding tracks are reserved at the positions of the modules, and a shielding layer is additionally arranged, so that the mutual interference of the modules between the circuit boards is small;

5. through the arrangement of the antennas in the shell, the isolation degree of the antennas is high, the coexistence interference of WiFi signals and cellular signals is small, and the radio frequency performance is good;

6. the coverage range is wide, and the 5GNR antenna can be switched to the external antenna through the arrangement of two external antenna interfaces, so that the antenna can be matched with different antennas for use according to different scenes;

7. the signal strength indicates in real time, and the arrangement position of the equipment can be adjusted so as to achieve the optimal internet surfing experience.

The above embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which includes but is not limited to the embodiments, and equivalent modifications according to the present utility model are within the scope of the present utility model.

Claims

1. A 5G cellular network access CPE device, characterized by: the CPE equipment is characterized by comprising a shell and a circuit board arranged in the shell, wherein a honeycomb 5G module, a WiFi radio frequency module, a power module and a physical interface receiving and transmitting PHY module are arranged on the circuit board and are respectively connected with the honeycomb 5G module, shielding tracks are reserved on the front side and the back side of each module on the circuit board, a shielding layer is additionally arranged, and the 5G honeycomb network access CPE equipment further comprises antenna units respectively connected with the honeycomb 5G module and the WiFi radio frequency module.

2. The 5G cellular network access CPE device of claim 1, wherein: the antenna unit comprises two built-in WiFi dual-frequency antennas, four built-in LTE antennas, four built-in 5GNR antennas and two external antenna interfaces.

3. The 5G cellular network access CPE device of claim 2, wherein: the external antenna interface adopts a TS9 switch interface, and the internal antenna and the external antenna are selected to be switched through an antenna switch.

4. The 5G cellular network access CPE device of claim 2, wherein: and the two WiFi dual-frequency antennas are vertically arranged with the circuit board and distributed on the left side and the right side of the top of the shell, and the distance between the two WiFi dual-frequency antennas is 80-100mm.

5. The 5G cellular network access CPE device of claim 4, wherein: four LTE antennas are longitudinally arranged in the middle of the shell, are diagonally placed, surround the circuit board and are distributed at four corners of the shell.

6. The 5G cellular network access CPE device of claim 5, wherein: four 5GNR antennas are integrated on two PCB antennas, and the two PCB antennas are arranged on the front side and the rear side of the circuit board and the shell.

7. The 5G cellular network access CPE device of claim 2, wherein: the distance between the power supply module and the honeycomb 5G module is larger than 40mm; the distance between the WiFi dual-frequency antenna and the LTE antenna is larger than 90mm, and the antenna isolation is kept larger than-20 dB.

8. The 5G cellular network access CPE device of any of claims 1-7, wherein: the heat dissipation structure comprises a heat dissipation hole arranged on the shell.

9. The 5G cellular network access CPE device of claim 8, wherein: the heat dissipation structure further comprises a graphite resin heat dissipation layer arranged on the WiFi radio frequency module and the physical interface receiving and transmitting PHY module.

10. The 5G cellular network access CPE device of claim 9, wherein: the heat dissipation structure also comprises a copper exposure area which is arranged on the back surface of the circuit board and corresponds to the honeycomb 5G module and the main chip of the power supply module.