TWI683555B - Netcom device capable of integrating mobile router and fixed router - Google Patents

Abstract

The invention is a network communication device capable of integrating a mobile router and a fixed router, wherein the network communication device can be composed of a mobile router and a fixed router, and the mobile router is provided with a first Wi-Fi unit. The fixed router is equipped with a second Wi-Fi unit, and the fixed router is provided with a transfer slot. When the mobile router is placed in the transfer slot, the fixed router will send An interrupt message to the mobile router, so that the mobile router can turn off the first Wi-Fi unit, and only the second Wi-Fi unit can operate normally, so that when the user returns home, he only needs to The mobile router is assembled to the fixed router. At this time, the fixed router will automatically turn off the first Wi-Fi unit of the mobile router to avoid mutual interference of the Wi-Fi units.

Description

Netcom device capable of integrating mobile router and fixed router

The invention relates to a network communication device, in particular to a network communication device having a mobile router and a fixed-type router, wherein the mobile router and the fixed-type router can not only be used independently, but also when the mobile router and the fixed-type router are connected After the combination, the fixed router can turn off the Wi-Fi unit of the mobile router to avoid interference between the Wi-Fi units of the mobile router and the fixed router.

With the vigorous development of the online world, all kinds of network equipment have been continuously developed and widely used by all walks of life in their living and working environment. This development trend has not only accelerated information The speed and efficiency of circulation also bring great convenience to people in life and work. Among them, the connection technology between the computer and the Internet has progressed very fast. The bandwidth has grown from the original 14.4K to the current bandwidth of 10M or more than 100M. The connection method is also a single telephone dialing method in the past. It has developed into a variety of wired and wireless connection methods, and terminal devices are also beginning to develop towards mobile communication equipment. Therefore, people today are used to obtaining all kinds of news information through the World Wild Web anytime, anywhere.

According to the above, a router (Router, also known as a router or broadband sharer) is a type of computer network equipment that can be located at the intersection of two or more networks to connect more than two network lines. And the router sends the network packet to the destination through the network to achieve routing With the popularity of broadband Internet access, most users will install fixed routers in their homes, such as VDSL, ADSL, and fiber optic modems. The fixed routers can be wired (ie, through physical network routes) ), respectively connected to a plurality of terminal devices (such as personal computers), so that these terminal devices can be connected to the Internet through the fixed router to access data on the Internet. In addition to the wired method, at present, some manufacturers will install a wireless module in the fixed router to enable wireless terminal devices (such as smart phones and notebook computers) to pass Wi-Fi technology or other wireless technologies. Establish a connection with the fixed router to connect to the Internet through the fixed router.

Because the fixed router needs to be connected to the Internet through a physical network cable, the fixed router can only be placed in a fixed location, and users can only use the fixed router within a certain range The provided network service, however, cannot be used with the fixed router when the user is out. Therefore, some manufacturers have developed mobile routers (or wireless routers). Users only need to use wireless terminal devices (such as: (Smartphones, tablets) using wireless technology to establish a connection with the mobile router, you can connect to the Internet through the mobile router. For people going abroad, users only need to purchase or rent a mobile router to enable multiple The wireless terminal device accesses the Internet smoothly.

In summary, it can be seen that fixed routers and mobile routers have their own uses and are independent individuals. However, for users, they usually want to be able to integrate multiple electronic devices to be suitable for various uses. It is necessary to maintain its original functions. Therefore, the integration of fixed routers and mobile routers has become a market trend. However, the applicant has found that when both fixed routers and mobile routers have Wi-Fi units, due to their relatively long distance There is a problem of mutual interference, so how to effectively solve the aforementioned problems to provide users with a better online experience This is one of the important topics discussed in this invention.

With the key to the aforementioned problem, after long-term hard research and experiments, the inventor finally developed and designed a method for automatically expanding the network cache system of the present invention, with the hope that the invention can effectively solve the aforementioned problem by the advent of the present invention.

An object of the present invention is to provide a network communication device capable of integrating a mobile router and a fixed-type router. The network communication device can be composed of a mobile router and a fixed-type router, wherein the mobile router is provided with at least a first Wi -Fi unit, a first adapter port, a first processing unit and a first power supply unit, the first Wi-Fi unit can receive Wi-Fi signals and transmit Wi-Fi signals, the first adapter port can Receiving an interrupt message from the outside, the first processing unit is electrically connected to the first Wi-Fi unit and the first switching port, respectively, and can receive the interrupt message from the first switching port, In order to enable the first Wi-Fi unit to be in an activated state or an off state, the first power supply unit can provide power required for the operation of the mobile router; in addition, the fixed-type router is provided with at least one external network line communication port, A second Wi-Fi unit, an adapter slot, a second adapter port, a second processing unit and a second power supply unit, the external network line communication port can be connected to a physical network line to receive Network packets from the physical network cable, or send network packets to the physical network cable, the second Wi-Fi unit can receive Wi-Fi signals and transmit Wi-Fi signals, the configuration of the transfer slot It matches the configuration of the mobile router, so that part or all of the area of the mobile router can be placed in the switching slot, and the second switching port is located in the switching slot and can be An adapter port is electrically connected to transmit the interrupt message to the first adapter port, the second processing unit can be electrically connected to the external network communication port, the second Wi-Fi unit and the second Transit port, when the mobile router is placed in the transit slot, and the first transit port After being electrically connected to the second transfer port, the second processing unit generates the interrupt message, and transmits the interrupt message to the first processing unit through the second transfer port and the first transfer port , The second power supply unit can provide the power required for the operation of the fixed router; in this way, when the user goes out, it can use the mobile router alone, when the user returns home, the mobile router and the fixed Connected routers are combined. At this time, the fixed-connected router will turn off the first Wi-Fi unit of the mobile router to prevent the Wi-Fi units from interfering with each other.

In order for your reviewing committee to have a better understanding and understanding of the purpose, technical features and efficacy of the present invention, the following examples are used in conjunction with the drawings, which are described in detail as follows:

〔Knowledge〕

no

〔this invention〕

1‧‧‧Mobile router

11‧‧‧ First processing unit

12‧‧‧ First Wi-Fi unit

13‧‧‧ First port

14‧‧‧ 3G/4G/LTE unit

15‧‧‧First Power Department

2‧‧‧Fixed router

20‧‧‧External network communication port

21‧‧‧second processing unit

22‧‧‧Second Wi-Fi unit

23‧‧‧Second transit port

24‧‧‧Adapter slot

25‧‧‧Second Power Supply Department

26‧‧‧Intranet communication port

E‧‧‧Power cord

Figure 1 is a perspective schematic view of the mobile router and fixed router of the present invention; Figure 2 is a hardware architectural diagram of the mobile router of the present invention; and Figure 3 is a hardware architecture diagram of the fixed router of the present invention .

The present invention is a network communication device capable of integrating a mobile router and a fixed router. In an embodiment, please refer to FIG. 1, the network communication device is composed of a mobile router 1 and a fixed router 2. Among them, the mobile router 1 can be connected to a terminal device (such as a smartphone, tablet computer, notebook computer, etc.), and can be connected to the Internet in a “wireless manner”, so that the terminal device can Connected to the Internet via the mobile router 1; the fixed router 2 can be a VDSL, ADSL, optical fiber modem, which can also be connected to terminal devices (such as desktop computers, smart phones, tablets) Computers... etc.), and it is connected to the Internet in a "wired way", so that the terminal device can be connected through the fixed router 2 To the Internet; that is, when the Netcom device of the present invention is split into a mobile router 1 and a fixed router 2, both the mobile router 1 and the fixed router 2 can operate independently, and Separately for terminal devices to connect to the Internet.

Please refer to FIG. 1 and FIG. 2, in this embodiment, the mobile router 1 is provided with a first processing unit 11, a first Wi-Fi unit 12, a first switching port 13, and a 3G/4G/ The LTE unit 14 and a first power supply unit 15, wherein the first processing unit 11 is electrically connected to the first Wi-Fi unit 12, the first transfer port 13 and the 3G/4G/LTE unit 14, respectively, to Can receive messages from the first Wi-Fi unit 12, the first transfer port 13 and the 3G/4G/LTE unit 14, and can send messages to the first Wi-Fi unit 12, the first transfer The port 13 and the 3G/4G/LTE unit 14, and the first Wi-Fi unit 12 can receive Wi-Fi signals from outside (such as terminal devices), and can transmit Wi-Fi signals to the outside ( Such as: terminal device), and the first Wi-Fi unit 12 can be switched to an enabled state or an off state, when the first Wi-Fi unit 12 is in the enabled state, it can normally send and receive Wi-Fi signals, when the When the first Wi-Fi unit 12 is in the off state, it cannot send and receive Wi-Fi signals.

As mentioned above, in this embodiment, please refer to FIG. 1 and FIG. 2 again, the first transfer port 13 can receive messages from outside and send the messages to the first processing unit 11 The message from the first processing unit 11 is sent out, and the first transfer port 13 can be of the Micro-USB specification and is a plug-in interface, but it is not limited to this. In other embodiments of the present invention, The manufacturer can adjust the specifications and appearance of the first transfer port 13 according to product requirements. In addition, the 3G/4G/LTE unit 14 can receive 3G/4G/LTE signals from outside (such as base stations), and can send 3G/4G/LTE signals to outside (such as base stations) when the user When the mobile router 1 is used alone, a user can enable a terminal device (such as a smartphone) to send a Wi-Fi signal to the first Wi-Fi unit 12, and the first processing unit 11 receives the first Wi-Fi signal. After the information from Fi unit 12, Enough to transmit the aforementioned information to the 3G/4G/LTE unit 14, so that the 3G/4G/LTE unit 14 converts the aforementioned information into the corresponding 3G/4G/LTE signal and transmits it; otherwise, the 3G/4G/ After the LTE unit 14 receives the 3G/4G/LTE signal, the first processing unit 11 can also receive the information from the 3G/4G/LTE unit 14 and transmit the aforementioned information to the first Wi-Fi unit 12, Therefore, the first Wi-Fi unit 12 converts the foregoing information into a corresponding Wi-Fi signal, and transmits it to the user's terminal device. However, in other embodiments of the present invention, the manufacturer can also not provide the 3G/4G/LTE unit 14, so that only the mobile router 1 can be connected to an external networked device via the first Wi-Fi unit 12 ( Such as: hotspot), the joint first stated.

In addition, please refer to FIG. 1 and FIG. 2 again, in this embodiment, the first power supply part 15 can provide the power required for the operation of the mobile router 1, and the first power supply part 15 can be a lithium battery or other Kinds of batteries, specifically mentioned here, the first power supply unit 15 mainly supplies power to each component in the mobile router 1 so that each component can operate normally, but the way of power transmission depends on the product demand of the manufacturer For example, the first power supply unit 15 can provide power to the first Wi-Fi unit 12 alone, or the first processing unit 11 can transfer power to the first Wi-Fi unit 12, so FIG. 2 is omitted. The connection relationship between a power supply unit 15 and each component, but those skilled in the art can easily adjust the connection relationship between the first power supply unit 15 and each component after grasping the overall technical characteristics of the case. Chen Ming.

Please refer to FIGS. 1 and 3. In this embodiment, the fixed router 2 includes at least one external network line communication port 20, a second processing unit 21, a second Wi-Fi unit 22, and a first Two transfer ports 23, a transfer slot 24, a second power supply 25 and at least one internal network line communication port 26, wherein the second processing unit 21 is electrically connected to the external network line communication port 20, the first Two Wi-Fi units 22, a second transfer port 23 and an internal network line communication port 26 to receive the external Network communication port 20, second Wi-Fi unit 22, second transfer port 23 and internal network communication port 26, and can send messages to the external network communication port 20, the second Wi-Fi The unit 22, the second transfer port 23 and the internal network line communication port 26, and the external network line communication port 20 can be connected to a physical network line (such as: twisted pair, coaxial cable, fiber optic cable, etc.) Connect to receive network packets from the physical network cable, and send network packets to the physical network cable.

Please refer to FIG. 1 and FIG. 3 again. In this embodiment, the second Wi-Fi unit 22 can receive Wi-Fi signals from outside (such as terminal devices) and can transmit Wi-Fi signals to External (such as a terminal device), and when a user accesses the Internet through a terminal device (such as a smartphone), the terminal device (such as a smartphone) can send a Wi-Fi signal to the second Wi-Fi unit 22, after receiving the Wi-Fi signal from the second Wi-Fi unit 22, the second processing unit 21 converts it into a corresponding network packet and sends it to the Internet through the external network port communication port 20 , Si, when the external network port 20 receives a network packet from the Internet, the second processing unit 21 can transmit the network packet to the second Wi-Fi unit 22, so that the second The Wi-Fi unit 22 can be converted into a corresponding Wi-Fi signal and transmitted to the user's terminal device (such as a smart phone).

In addition to connecting the terminal device (such as a smartphone) and the fixed router 2 wirelessly, the user can also connect the terminal by wire according to the type of terminal device (such as a desktop computer) The device (such as a desktop computer) and the fixed-type router 2. In this embodiment, the internal network cable communication port 26 can be connected to one end of a physical network cable (such as a twisted pair). The physical network cable The other end can be connected to a terminal device (such as a desktop computer), and the second processing unit 21 can receive data from the internal network port communication port 26 and convert it into a corresponding network packet. It is transmitted to the Internet via the external network communication port 20. It is particularly mentioned here that the "external network line communication port 20" in the present invention refers to that the fixed router 2 can communicate The network line communication port to the external Internet, and the "internal network line communication port 26" refers to the network line communication port used by the fixed-type router 2 to connect to the terminal device. In addition, in other embodiments of the present invention The fixed router 2 can also be connected to the terminal device only through the second Wi-Fi unit 22 without the internal network line communication port 26.

In addition, in this embodiment, the second power supply section 25 can provide the power required for the operation of the fixed router 2 and it can be connected to a power cord E to receive the power from the power cord E, In addition, the second power supply unit 25 mainly supplies power to each component in the fixed router 2 to enable each component to operate normally, but the method of power transmission is also determined by product requirements, so Figure 3 is omitted The connection relationship between the second power supply unit 25 and each component, but those skilled in the art can easily adjust the connection relationship between the second power supply unit 25 and each component after grasping the overall technical characteristics of the case. Chen Ming first.

Furthermore, please refer to FIG. 1 and FIG. 3 again, the housing of the fixed-type router 2 is recessed with the adapter slot 24, and the configuration of the adapter slot 24 will be the same as that of the mobile router 1. The shape matches, so the user can insert the mobile router 1 into the adapter slot 24, so that the mobile router 1 and the fixed-type router 2 are combined to form the network communication device of the present invention. In addition, the mobile router 1 It is possible to place only a partial area or the whole in the adapter slot 24. Furthermore, the second transfer port 23 is located in the transfer slot 24, which can be of the Micro-USB specification, and is in the form of a plug connector (but not limited to this), when the mobile router 1 is set After being inserted into the transfer slot 24, the second transfer port 23 can be electrically connected to the first transfer port 13 to transmit messages to each other. When the mobile router 1 and the fixed-type router 2 are combined, the positions of the first Wi-Fi unit 12 and the second Wi-Fi unit 22 are too close to each other, and it is easy to interfere with each other. Therefore, when the second processing When the unit 21 determines that the second transfer port 23 can be electrically connected to the first transfer port 13, the second processing unit 21 generates An interrupt message and send the interrupt message to the first processing unit 11, after receiving the interrupt message, the first processing unit 11 will cause the first Wi-Fi unit 12 to be turned off, and only The second Wi-Fi unit 22 can send and receive Wi-Fi signals. In this way, interference can be avoided, and the network communication device can maintain good wireless quality.

In this embodiment, please refer to FIGS. 1-3, the first transfer port 13 and the second transfer port 23 are both Micro-USB specifications, therefore, the first transfer port 13 and the second The transfer port 23 can include two power terminals (VCC, GND), two data terminals (D+, D-) and one status terminal (ID) respectively, wherein the fixed-type router 2 can pass these transfers The power terminals of ports 13 and 23 transmit their own power to the mobile router 1 and store them in the first power supply unit 15, and the fixed router 2 and the mobile router 1 can transmit data through corresponding data terminals. Moreover, as for the interrupt signal, it is transmitted through the corresponding status terminal, which means that when the transfer ports 13 and 23 are electrically connected, the second processing unit 21 can detect that the status terminals are in circuit. Is turned on, and an interrupt signal is generated and transmitted, but in other embodiments of the present invention, the manufacturer can also adjust the specifications of the transfer ports 13, 23 according to product requirements, and the transfer ports 13, 23 can also only Transmit data and interrupt messages without power transmission.

In order to provide users with good experience, please refer to Figures 1~3. After the fixed router 2 is combined with the mobile router 1 to form a network communication device, it can have Link Aggregation , Fail-over (fail-over) and load balancing (sharing loading) and other modes, here are explained separately. When the Netcom device is in Link Aggregation mode, the first processing unit 11 and the second processing unit 12 will perform a link aggregation process to connect the external network line communication port 20 and the 3G/4G /LTE unit 14 converges to form a logical port, so that the bandwidth of the mobile router 1 and the fixed router 2 can be added, for example, The mobile router 1 has a bandwidth of 100 MB, and the fixed router 2 has a bandwidth of 100 MB. In the link aggregation mode, the network communication device has a bandwidth of 200 MB.

Please refer to Figures 1~3, when the Netcom device is in Fail-over mode, it has the following two processes: (A1) The fixed router 2 is the main Internet access path, and the mobile router 1 is used as the Backup: When the user accesses the Internet through the terminal device, the second processing unit 21 can receive the "Wi-Fi signal from the second Wi-Fi unit 22" or the data from the internal network communication port 26 Data", and convert the aforementioned Wi-Fi signals or data data into corresponding network packets, and then transmit them to the Internet through the external network line communication port 20, and when the second processing unit 21 determines the external When the network port communication port 20 is in a disconnected state (that is, the external network port communication port 20 cannot transmit network packets to the Internet), the second processing unit 21 sequentially passes the network packets through the second The port 23 and the first transfer port 13 are transmitted to the mobile router 1, and the first processing unit 11 transmits the network packet to the Internet through the 3G/4G/LTE unit 14, in addition, when the external After the network line communication port 20 is restored to the network connection state, the second processing unit 21 will still send network packets through the external network line communication port 20; (A2) The mobile router 1 is the main Internet access route, and the fixed-connect router 2 As a backup: when the user accesses the Internet through the terminal device, the second processing unit 21 can receive the "Wi-Fi signal from the second Wi-Fi unit 22" or the "intranet route communication port 26" Data data", and convert the aforementioned Wi-Fi signals or data data into corresponding network packets respectively, and then, the second processing unit 21 will sequentially pass the network packets through the second switching port 23 and the first The transfer port 13 is transmitted to the mobile router 1 so that the first processing unit 11 can transmit network packets to the Internet through the 3G/4G/LTE unit 14, and when the first processing unit 11 determines When the 3G/4G/LTE unit 14 is in a disconnected state (ie, the 3G/4G/LTE unit 14 cannot transmit network packets to the Internet), it will generate a disconnected message to the second processing unit 21, so that the second processing unit 21 converts Wi-Fi signals or data data into corresponding network packets, and then directly transmits the network packets to the Internet through the external network port 20, in addition, when After the 3G/4G/LTE unit 14 resumes the network connection state, the network packet will still be transmitted to the Internet via the 3G/4G/LTE unit 14.

Please also refer to Figures 1~3, when the Netcom device is in load loading (sharing loading), it has the following three processing processes: (B1) The fixed router 2 is the main Internet access path: the second processing unit 21 is provided with a The bandwidth threshold value, when the user accesses the Internet through the terminal device, the second processing unit 21 determines that the number of network packets transmitted through the external network line communication port 20 exceeds the bandwidth threshold value, It transmits the excess network packets to the mobile router 1 through the second switching port 23 and the first switching port 13 in order, so that the first processing unit 11 passes the network packets through the 3G/4G /LTE unit 14 is transmitted to the Internet, so that it can reduce the load of a single bandwidth, and also allows fixed router 2 and mobile router 1 to share bandwidth with each other; (B2) mobile router 1 is the main Internet access path: the first A processing unit 11 is provided with a bandwidth threshold. When a user accesses the Internet through a terminal device, the first processing unit 11 determines that the number of network packets transmitted through the 3G/4G/LTE unit 14 exceeds the After the bandwidth threshold, it generates an overrun message to the second processing unit 21, so that the second processing unit 21 transmits the exceeded network packet to the Internet through the external network port communication port 20; (B3) The mobile router 1 is the main Internet access channel: the second processing unit 21 is provided with a bandwidth threshold. In the case where the user accesses the Internet through the terminal device, the second processing unit 21 determines that the 3G/4G/LTE After the number of network packets transmitted by the unit 14 exceeds the bandwidth threshold, it will directly transmit the exceeded network packets to the Internet through the external network communication port 20.

In summary, with the Netcom device of the present invention, when a user goes out, he can unplug the mobile router 1 to carry the mobile router 1 with him and enjoy the Internet service brought by the mobile router 1, and When the user returns home, he can insert the mobile router 1 into the fixed router 2. At this time, the Netcom device will automatically turn off the first Wi-Fi unit 12 of the mobile router 1 to avoid the When the Wi-Fi units 12 and 22 interfere with each other, users can enjoy better and convenient Internet services through the Netcom device.

According to the above, it is only the preferred embodiment of the present invention. However, the scope of the claimed rights of the present invention is not limited to this. According to the technical content disclosed by the present invention, anyone who is familiar with this skill can Equivalent changes that can be easily considered should fall within the protection scope of the present invention.

1‧‧‧Mobile router

13‧‧‧ First port

2‧‧‧Fixed router

20‧‧‧External network communication port

23‧‧‧Second transit port

24‧‧‧Adapter slot

26‧‧‧Intranet communication port

E‧‧‧Power cord

Claims (11)

A network communication device capable of integrating a mobile router and a fixed-type router is composed of a mobile router and a fixed-type router, and is characterized in that the mobile router is provided with at least a first Wi-Fi unit, It can receive Wi-Fi signals and transmit Wi-Fi signals; a first adapter port can receive an interrupt message from the outside; a first processing unit is electrically connected to the first Wi-Fi unit respectively And the first transfer port, and can receive the interrupt message from the first transfer port, so that the first Wi-Fi unit is enabled or disabled; a 3G/4G/LTE unit, and The first processing unit is electrically connected and can receive 3G/4G/LTE wireless signals and transmit 3G/4G/LTE wireless signals; and a first power supply unit can provide power required for the operation of the mobile router; the fixed A connection router, at least provided with: at least one external network line communication port, which can be connected to a physical network line to receive network packets from the physical network line, or transmit network packets to the physical network Route; a second Wi-Fi unit capable of receiving Wi-Fi signals and transmitting Wi-Fi signals; a transfer slot whose configuration matches the configuration of the mobile router to make the local part of the mobile router Or all areas can be placed in the transfer slot; a second transfer port is located in the transfer slot and can be electrically connected to the first transfer port to transmit the interrupt message to the A first switching port; a second processing unit, which is electrically connected to the external network line communication port, the second Wi-Fi unit and the second switching port, respectively, wherein the mobile router is placed in the switch Connected to the slot, and the first transfer port and the second transfer port are electrically connected, the second processing unit generates the interrupt message and passes the second transfer port and the first transfer port Pick up Port to send the interrupt message to the first processing unit; and a second power supply unit, which can provide the power required for the operation of the fixed router. The network communication device according to claim 1, wherein the fixed connection is in a state where the mobile router is placed in the switching slot and the first switching port and the second switching port are electrically connected The router can transmit its own power to the mobile router through the second transfer port and the first transfer port in sequence, and store it in the first power supply part. The network communication device according to claim 2, wherein the first transfer port and the second transfer port are of Micro-USB specifications. The network communication device according to claim 3, wherein the second processing unit can receive the Wi-Fi signal from the second Wi-Fi unit, convert it into a corresponding network packet, and communicate via the external network line The port is sent to the Internet, and when the second processing unit determines that the external network line communication port is disconnected, it will sequentially pass the network packet through the second transfer port and the first transfer port When it is sent to the mobile router, the first processing unit sends the network packet to the Internet through the 3G/4G/LTE unit. The network communication device according to claim 4, wherein the fixed router further includes at least one internal network line communication port, the internal network line communication port is electrically connected to the second processing unit, and the second processing unit can After receiving the data from the internal network channel communication port and converting it into a corresponding network packet, it is transmitted to the Internet through the external network channel communication port, and the external network channel communication port is determined by the second processing unit When the network is disconnected, the network packet will be sequentially transmitted to the mobile router through the second transit port and the first transit port, and the first processing unit will pass the network packet through the 3G /4G/LTE unit sent to the Internet. The network communication device according to claim 3, wherein the second processing unit can receive the Wi-Fi signal from the second Wi-Fi unit and convert it into a corresponding network packet, and then sequence the network packets Sent to the mobile router via the second transit port and the first transit port, so that the first The processing unit can transmit the network packet to the Internet through the 3G/4G/LTE unit. When the first processing unit determines that the 3G/4G/LTE unit is in the disconnected state, it will generate a disconnected network Message to the second processing unit, so that the second processing unit can receive the Wi-Fi signal from the second Wi-Fi unit and convert it into a corresponding network packet, directly through the external network line communication port And sent to the Internet. The network communication device according to claim 6, wherein the fixed router further includes at least one internal network line communication port, the internal network line communication port is electrically connected to the second processing unit, and the second processing unit can After receiving the data from the communication port of the internal network route and converting it into a corresponding network packet, the network packet is sequentially transmitted to the mobile router through the second transit port and the first transit port, So that the first processing unit can transmit the network packet to the Internet through the 3G/4G/LTE unit, and when the first processing unit determines that the 3G/4G/LTE unit is in a disconnected state, A network disconnection message will be generated to the second processing unit, so that the second processing unit can receive the data data from the communication port of the internal network line, and convert it into a corresponding network packet, directly through the external network line Communication port to the Internet. The network communication device according to claim 3, wherein the first processing unit and the second processing unit perform a link aggregation (Link Aggregation) procedure to connect the external network line communication port and the 3G/4G/LTE Units converge to form a logical port. The network communication device according to claim 4 or 5, wherein the second processing unit is provided with a bandwidth threshold, and the number of network packets transmitted through the external network port communication port exceeds the bandwidth threshold Next, the second processing unit sends the excess network packets to the mobile router through the second transit port and the first transit port in order, so that the first processing unit passes the network packets through the The 3G/4G/LTE unit is sent to the Internet. The network communication device according to claim 6 or 7, wherein the first processing unit is provided with a bandwidth Threshold value, when the number of network packets sent through the 3G/4G/LTE unit exceeds the bandwidth threshold, the first processing unit will generate an overrun message to the second processing unit, so that The second processing unit transmits the exceeded network packet to the Internet through the external network line communication port. The network communication device according to claim 6 or 7, wherein the second processing unit is provided with a bandwidth threshold, and the number of network packets transmitted through the 3G/4G/LTE unit exceeds the bandwidth threshold In the state, the second processing unit directly transmits the exceeded network packets to the Internet through the external network line communication port.

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