CN212064381U

CN212064381U - Communication gateway of 5G network

Info

Publication number: CN212064381U
Application number: CN202020691426.7U
Authority: CN
Inventors: 马园园; 舒奇泉; 胡鑫; 李剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-01
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a communication gateway of 5G network relates to the communication equipment field. The utility model provides a communication gateway of 5G network, includes power supply unit, wired LAN access unit, 5G communication module and core control unit, and the power supply unit connects the core control unit, and the core control unit connects 5G communication module, and wired LAN access unit connects the core control unit, is provided with wired LAN protection circuit between wired LAN access unit and the core control unit. The utility model provides a technical scheme can guarantee 5G communication gateway's safety and stable communication, prevents to be attacked.

Description

Communication gateway of 5G network

Technical Field

The utility model relates to a communication equipment field, in particular to communication gateway of 5G network.

Background

The fifth generation mobile communication technology, referred to as 5G or 5G technology for short, is the latest generation cellular mobile communication technology, also an extension behind the 4G, 3G and 2G (gsm) systems. In recent years, the fifth generation mobile communication system 5G has become a hot spot of discussion in the communication industry and academia. There are two major driving forces for the development of 5G. On one hand, the fourth generation mobile communication system 4G represented by the long term evolution technology is completely commercialized, and the discussion of the next generation technology is scheduled; on the other hand, the demand for mobile data is increasing explosively, the existing mobile communication system is difficult to meet the future demand, and the development of a new generation of 5G system is urgently needed. The development of 5G also comes from the increasing demand for mobile data. With the development of the mobile internet, more and more devices are accessed into the mobile network, new services and applications are in endless, global mobile broadband users are expected to reach 90 billion in 2018, and the capacity of the mobile communication network is expected to increase 1000 times on the current network capacity by 2020. There are also a number of problems that need to be solved in connection with the communication gateway technology applied to the 5G technology. How to ensure the safety and stable communication of the 5G communication gateway and prevent the attack becomes a problem which is urgently needed to be solved by the market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a communication gateway of 5G network, it can guarantee 5G communication gateway's safety and stable communication, prevents to be attacked.

The embodiment of the utility model is realized like this:

the utility model provides a communication gateway of 5G network, includes power supply unit, wired LAN access unit, 5G communication module and core control unit, and the power supply unit connects the core control unit, and the core control unit connects 5G communication module, and wired LAN access unit connects the core control unit, is provided with wired LAN protection circuit between wired LAN access unit and the core control unit.

In some embodiments of the present invention, the wired lan access unit includes a wired lan access circuit, and the wired lan protection circuit is disposed between the wired lan access circuit and the control unit.

In some embodiments of the present invention, the wired lan protection circuit includes a network transformer.

In some embodiments of the present invention, the wired lan protection circuit further includes a Bob-smith circuit.

In some embodiments of the present invention, the power supply unit includes a power access circuit and a power protection circuit, and the power protection circuit is disposed between the power access circuit and the control unit.

In some embodiments of the utility model, above-mentioned power protection circuit includes fuse PTC, gas discharge tube GDT, transient suppression diode TVS and diode D1, two electrodes of gas discharge tube GDT correspond the electricity with the anodal electric current output end of power and power access circuit respectively and are connected, gas discharge tube GDT's telluric electricity is connected with casing ground electricity, the anodal negative pole electricity that passes through fuse PTC and transient suppression diode TVS of power is connected, the anodal electric current output end electricity that is connected with the power access circuit of transient suppression diode TVS is connected, transient suppression diode TVS's negative pole and diode D1's anodal electric connection, diode D1's negative pole is connected with the input electricity that the power access circuit is connected.

In some embodiments of the present invention, the power protection circuit includes a resistance-capacitance absorption circuit, the resistance-capacitance absorption circuit includes a resistor R0, a resistor R1, a capacitor C0 and a capacitor C1, the resistor R0 and the capacitor C0 are sequentially connected in series between the positive power supply and the chassis ground, and the resistor R1 and the capacitor C1 are sequentially connected in series between the current output end of the power circuit and the chassis ground.

In some embodiments of the present invention, the core control unit is further connected to a wireless network access module.

In some embodiments of the present invention, the wireless network access module includes a wifi module.

In some embodiments of the present invention, the 5G communication module is connected to a SIM card interface circuit for accessing a SIM card.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the utility model provides a communication gateway of 5G network, insert unit, 5G communication module and core control unit including power supply unit, wired LAN. The power supply unit is used for accessing electric energy, the wired local area network access unit is used for accessing a local area network environment end, the 5G communication module is connected with an internet end, and the core control unit is used for realizing protocol conversion. The power supply unit is connected with the core control unit and provides electric energy for the core control unit. The core control unit is connected with the 5G communication module, the wired local area network access unit is connected with the core control unit, and the core control unit realizes protocol conversion between the wired local area network access unit and the 5G communication module so that the local area network end communicates with the internet end. Meanwhile, the core control unit can also be used for internal control of a communication gateway of the 5G network. A wired local area network protection circuit is arranged between the wired local area network access unit and the core control unit, and the wired local area network protection circuit can enhance signals and enable the transmission distance of the signals to be longer; the chip end of the core control unit is isolated from the outside, the anti-interference capability is greatly enhanced, and the chip is greatly protected (such as lightning stroke); when the network ports with different levels are connected, the mutual equipment cannot be influenced; common mode interference can be effectively filtered. Based on the characteristics of each unit of communication gateway and module of above 5G network, the utility model discloses can guarantee 5G communication gateway's safety and stable communication, prevent to be attacked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a block diagram of the structure of an embodiment of the present invention;

fig. 2 is a circuit diagram of a wired lan protection circuit according to an embodiment of the present invention;

fig. 3 is a circuit diagram of a power supply unit according to an embodiment of the present invention;

fig. 4 is a 5G communication module structure diagram according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1, the present embodiment provides a communication gateway of a 5G network, which includes a power supply unit, a wired lan access unit, a 5G communication module, and a core control unit. In the embodiment, a BGM8200 chip is selected as a core control unit. In this embodiment, the 5G communication module is MH5000 (see fig. 4 for a specific structure). The power supply unit is used for accessing electric energy, the wired local area network access unit is used for accessing a local area network environment end, the 5G communication module is connected with an internet end, and the core control unit is used for realizing protocol conversion. The power supply unit is connected with the core control unit and provides electric energy for the core control unit. The core control unit is connected with the 5G communication module, the wired local area network access unit is connected with the core control unit, and the core control unit realizes protocol conversion between the wired local area network access unit and the 5G communication module so that the local area network end communicates with the internet end. Meanwhile, the core control unit can also be used for internal control of a communication gateway of the 5G network. And a wired local area network protection circuit is arranged between the wired local area network access unit and the core control unit. The wired local area network protection circuit can enhance signals, so that the transmission distance of the signals is longer, stable signals are provided for the wired local area network, the BGM8200 chip end is isolated from the outside, and the anti-interference capability is greatly enhanced; the chip is added with great protection (such as lightning stroke); when the network ports with different levels are connected, the mutual equipment cannot be influenced; common mode interference can be effectively filtered. Based on the characteristics of each unit of communication gateway and module of above 5G network, the utility model discloses can guarantee 5G communication gateway's safety and stable communication, prevent to be attacked.

Referring to fig. 2, in the above embodiment, the wired lan access unit includes a wired lan access circuit, and the wired lan protection circuit is disposed between the wired lan access circuit and the control unit. The wired local area network protection circuit comprises a network transformer. Network transformers are also referred to as "data mercury," and may also be referred to as network isolation transformers. The two roles of the system on a network interface are mainly two, one is data transmission, the system uses differential mode coupling coils to couple and filter differential signals sent by a PHY (physical layer) to enhance the signals, and the differential signals are coupled to the other end of a connecting network wire with different levels through conversion of an electromagnetic field; and secondly, isolating different levels among different network equipment connected by the network cable so as to prevent different voltages from transmitting and damaging the equipment through the network cable. Besides, the network transformer can also play a certain lightning protection role on equipment. The high-voltage isolation circuit is mainly used in network switches, routers, network cards and hubs, and plays roles in signal coupling, high-voltage isolation, impedance matching, electromagnetic interference suppression and the like.

Referring to fig. 2, further, the wired lan protection circuit further includes a Bob-smith circuit, and the Bob-smith circuit can improve a processing manner of an impedance matching terminal of the EMC port. The circuit can effectively filter out common mode interference, and can reduce EMI attenuation by about 10dB, thereby improving the anti-interference capability. In this embodiment, the wired lan access circuit supports an optical port, a gigabit ethernet port, and the like, and can be set according to actual needs.

In some embodiments of the present invention, the power supply unit includes a power access circuit and a power protection circuit, and the power protection circuit is disposed between the power access circuit and the control unit. The power supply access circuit is used as an access port for power supply access. The power supply protection circuit is used for protecting the power supply access circuit and can also play a role in resisting interference.

In some embodiments of the present invention, the power protection circuit includes a fuse PTC, a gas discharge tube GDT, a transient suppression diode TVS, and a diode D1. Two electrodes of the gas discharge tube GDT are respectively and correspondingly electrically connected with the positive electrode of the power supply and the current output end of the power supply access circuit, and the grounding electrode of the gas discharge tube GDT is electrically connected with the shell. The positive pole of the power supply is electrically connected with the negative pole of the transient suppression diode TVS through the fuse PTC. The positive pole of the transient suppression diode TVS is electrically connected with the current output end of the power supply access circuit, the negative pole of the transient suppression diode TVS is electrically connected with the positive pole of the diode D1, and the negative pole of the diode D1 is electrically connected with the input end of the power supply access circuit. In this embodiment, the fuse PTC is a self-recovery fuse PTC, and the power protection circuit is designed with a wide power supply. The GDT model of the gas discharge tube is UN3E5-230LSMD, which has the function of lightning protection, when the lightning residual voltage influences the power line at high speed, the anode and the cathode of the power line have the function of discharging to the ground; the PTC overcurrent current of the self-recovery fuse is designed to be 100mA, when a line is in overcurrent, the fuse is quickly disconnected, and the PTC overcurrent current can be automatically recovered to a normal conduction state after the overcurrent occurs; the transient suppression diode TVS model selects SMBJ33CA, can provide the too high surge protection of voltage surge, and protection voltage 33V avoids the too high surge voltage, damages power access circuit. The diode D1 can play the reverse connection protection role, so that the product is not damaged when the anode and the cathode of the power supply are reversely connected, the product cannot normally work, and the product can normally work when the wiring is recovered to be normal.

Referring to fig. 2, in some embodiments of the present invention, the power protection circuit includes a resistance-capacitance absorption circuit. The resistance-capacitance absorption circuit comprises a resistor R0, a resistor R1, a capacitor C0 and a capacitor C1. The resistor R0 and the capacitor C0 are sequentially connected in series between the positive pole of the power supply and the chassis ground, and the resistor R1 and the capacitor C1 are sequentially connected in series between the current output end of the power supply access circuit and the chassis ground. The voltage signal input by an external power supply can be filtered through the resistance-capacitance absorption circuit, clutter components in the signal are removed, the stability of the output signal is ensured, the anti-interference capability can be improved, and the insulation strength of the product is not influenced. The utility model discloses well resistance R0, resistance R1 all are 5 omega's chip resistor, and electric capacity C0, electric capacity C1 all are 0.01uF 500V's chip capacitor.

Referring to fig. 2, the power access circuit includes a current loop transmitter U2, a transistor Q1, a voltage regulator Q2, a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3, and a capacitor C4. The output end of the power supply protection circuit is electrically connected with the collector of the triode Q1 and the power supply input end of the current loop transmitter U2 respectively. The base of the transistor Q1 is electrically connected with the base of the current loop transmitter U2, and the emitter of the transistor Q1 is electrically connected with the emitter of the current loop transmitter U2. The capacitor C1 is electrically connected between the collector and emitter of the transistor Q1. The first output end of the current loop transmitter U2 is electrically connected with the power input end of the signal processing circuit, and a capacitor C2 is electrically connected between the first output end of the current loop transmitter U2 and the current feedback end. The first output end of the current loop transmitter U2 is electrically connected with the input end of a voltage regulator tube Q2, a capacitor C3 and a capacitor C4 are connected in parallel between the output end of a voltage regulator tube Q2 and the current feedback end, the output end of a voltage regulator tube Q2 serving as a second output end is electrically connected with the power supply input end of the main control circuit, and the grounding end of a voltage regulator tube Q2 is grounded. The third output end of the current loop transmitter U2 is electrically connected with the power input end of the temperature sensing assembly, the third output end of the current loop transmitter U2 is electrically connected with the current input end of the current loop transmitter U2 through a resistor R1, and the current feedback end of the current loop transmitter U2 is grounded. Different voltages can be output through the current loop transmitter U2 respectively, matched power supplies are provided for the temperature sensing assembly, the signal processing circuit and the main control circuit respectively, and the normal work of the whole circuit is guaranteed. In the embodiment, the model of the current loop transmitter U2 is XTR115U, which not only provides a stable 5V power supply V1 to directly supply power to the operational amplifier U5, the operational amplifier U6 and the operational amplifier U7, but also provides a stable 3.3V voltage V2 to supply power to the main control circuit through a voltage regulator tube Q2, and simultaneously outputs a stable 2.5V voltage V3 to provide voltage for the temperature sensing component. The voltage regulator tube Q2 can adopt an HT7133 linear voltage regulator chip.

Referring to fig. 1, in some embodiments of the present invention, the core control unit is further connected to a wireless network access module. In an actual use situation, the wired network may not be able to access the lan environment, and at this time, the wireless network access module may access the lan environment through the wireless network.

In some embodiments of the present invention, the core control unit includes a USB interface 3.0, and the USB interface 3.0 is a new generation USB interface, and is characterized by a very fast transmission rate, which theoretically can reach 5Gbps, 10 times faster than the common USB2.0, and comprehensively surpasses IEEE1394 and eSATA. The appearance is basically consistent with that of a common USB interface, and the USB2.0 and USB1.1 equipment can be compatible.

Further, the wireless network access module includes a wifi module, and in this embodiment, an MT7688 type chip is selected as the wifi module. MT7688 type chip integrates 1T1R802.11b/g/n wireless transmission function, and the chip adopts

A central processor, a five-port high-speed Ethernet switch or a single-port ultra-high-speed Ethernet PHY, a USB2.0 main controller, PCIe, SD-XC, I2S/PCM and various interfaces for applicable slow I/O equipment. That is to say, the MT7688 module is a single antenna, has 1 IPEX seat, 150M rate, and the MT7688 module has lower power consumption and higher price.

In the embodiment, 802.11ax (wifi-6) can be selected as the wireless network access module, the network speed of 802.11ax can be increased by about 30% on the original basis, the network delay is greatly reduced, and wifi of the version can send larger data to each device at the same time. This means that network speed and signal will be greatly enhanced in densely populated places with large amounts of equipment, such as exhibitions, news conferences, stadiums, etc.

In some embodiments of the present invention, the 5G communication module is connected to a SIM card interface circuit for accessing a SIM card. The SIM card, also called subscriber identity card, is actually a smart card containing a large-scale integrated circuit for registering important data and information of the subscriber. One of the most important functions of the SIM card is authentication and encryption. When a user moves to a new area to make or receive a call, the exchange authenticates the user to determine whether the user is a legitimate user. At this time, the SIM card and the switch simultaneously utilize an authentication algorithm to calculate the authentication key and the 8-bit random number, the calculation results are the same, the SIM card is approved, otherwise, the SIM card is rejected, and the user can not make a call. The SIM card may also encrypt the voice using an encryption algorithm to prevent eavesdropping. Further, for convenience and cost saving, the embodiment selects the commonly used standard SIM card interface circuit. In order to prevent signal interference, an SIM card anti-interference circuit may be added to the SIM card interface circuit of this embodiment, which may effectively isolate interference at the SIM card interface circuit, and avoid the core control unit from being affected by interference signals to cause abnormal work, which may affect the communication performance stability and communication safety of the communication gateway device.

When the wireless local area network access device is used, the power supply access circuit is switched on, the local area network connected by the wired local area network access unit and the internet connected by the 5G communication module are connected by the core control unit to realize protocol conversion, and normal communication can be realized between the local area network and the internet. At the moment, under the combined action of a network transformer and a Bob-smith circuit in the wired local area network access circuit, common-mode interference can be effectively filtered, the anti-interference capability of the communication gateway is improved, and the safety and the stability of the communication gateway are improved. Similarly, the power supply protection circuit performs a protection function, and meanwhile, the resistance-capacitance absorption circuit can filter voltage signals input by an external power supply, remove clutter components in the signals, ensure the stability of output signals, improve the anti-interference capability of a product, not influence the insulation strength of the product, reduce the influence of electrostatic interference on a communication gateway, and improve the safety communication capability.

It should be noted that sometimes, a wired network in some places cannot be accessed to the local area network environment end, for example, the wired network cannot be accessed in a remote area or a special area, or when the wired network fails, the wireless network access module may be used to access the local area network environment end, and in this embodiment, the wifi module is selected as the wireless network access module.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a communication gateway of 5G network which characterized in that, includes power supply unit, wired LAN access unit, 5G communication module and core control unit, the power supply unit is connected the core control unit, the core control unit is connected 5G communication module, wired LAN access unit connects the core control unit, wired LAN access unit with be provided with wired LAN protection circuit between the core control unit.

2. The communications gateway of claim 1, wherein the wired local area network access unit comprises a wired local area network access circuit, and wherein the wired local area network protection circuit is disposed between the wired local area network access circuit and the control unit.

3. The communications gateway of claim 2, wherein the wired local area network protection circuit comprises a network transformer.

4. The communications gateway of a 5G network of claim 2, wherein the wired local area network protection circuit further comprises a Bob-smith circuit.

5. The communications gateway of claim 1, wherein the power supply unit comprises a power access circuit and a power protection circuit, the power protection circuit being disposed between the power access circuit and the control unit.

6. The 5G network communication gateway according to claim 5, wherein the power protection circuit comprises a fuse PTC, a gas discharge tube GDT, a transient suppression diode TVS and a diode D1, two electrodes of the gas discharge tube GDT are electrically connected with a power supply positive electrode and a current output end of the power access circuit respectively, a grounding electrode of the gas discharge tube GDT is electrically connected with the chassis, the power supply positive electrode is electrically connected with a negative electrode of the transient suppression diode TVS through the fuse PTC, the positive electrode of the transient suppression diode TVS is electrically connected with the current output end of the power access circuit, the negative electrode of the transient suppression diode TVS is electrically connected with a positive electrode of a diode D1, and the negative electrode of the diode D1 is electrically connected with an input end of the power access circuit.

7. The communication gateway of 5G network of claim 5, wherein the power protection circuit comprises a resistor-capacitor absorption circuit, the resistor-capacitor absorption circuit comprises a resistor R0, a resistor R1, a capacitor C0 and a capacitor C1, the resistor R0 and the capacitor C0 are sequentially connected in series between the positive pole of the power supply and the chassis ground, and the resistor R1 and the capacitor C1 are sequentially connected in series between the current output end of the power access circuit and the chassis ground.

8. The communications gateway of claim 1, wherein the core control unit is further connected to a wireless network access module.

9. The communication gateway of claim 8, wherein the wireless network access module comprises a wifi module.

10. The communication gateway of claim 1, wherein the 5G communication module is connected with a SIM card interface circuit for SIM card access.