TWI680683B - Network management device with wireless transmission - Google Patents

Abstract

The invention provides a network management device with wireless transmission. The network management device includes at least one network processor connected to an external device through a network interface and receives first data transmitted by the external device. A central processing unit is electrically connected to the network. Processor to receive the first data transmitted by the network processor and convert the first data into the second data. The central processor also has a wireless component, which is connected to external devices through wireless transmission. The central processor can choose The second data is transmitted to the external device through the wireless component, or the second data is transmitted to the network processor, and the second data is transmitted to the external device by the network processor in the first data transmission mode . The invention can directly transmit the network data processed by the central processing unit to an external device by using wireless transmission.

Description

Network management device with wireless transmission

The invention relates to a network management device, in particular to a network management device with wireless transmission that can perform wireless transmission.

With low-cost, low-power Central Processing Unit (CPU) or Microcontroller Unit (MCU), etc., more connection interfaces are provided, such as Bluetooth or Zigbee. Wireless protocols provide more connectivity possibilities. However, the current general Ethernet power supply method is mostly through the CPU in the device, and then through the browser to connect and manage the physical device through wired or wireless means. From a cost perspective, complete remote and near-end management can be achieved, but the cost is slightly higher.

Moreover, as shown in the first figure, the conventional Ethernet switching device 10 has a central processing unit 12 for controlling each unit in the switching unit 10, and the central processing unit 12 is electrically connected to a second switching unit. The Ethernet switching processor 14, generally speaking, the central processing unit 12 and the switching processor 14 have a two-line connection. The first line P1 can be a Universal Asynchronous Receiver / Transmitter (UART). An RS-232 serial port or I ² C (Inter-Integrated Circuit) interface. The central processing unit 12 can be connected to the switching processor 14 and a power supply processor 16 through a first line P1 for management control; a second line P2 is an Ethernet transmission interface. The central processing unit 12 can process the information transmitted by the switching processor 14 and then use the network interface 18 to transmit to the external user's computer 20 for management control.

Therefore, the central processing unit 12 needs to have a network interface 122 and a management interface 124 to electrically connect the first line P1 through the management interface 124 and the second line P2 through the network interface 122, and use the network interface 122 and The management interface 124 manages the switching processor 14 and the power supply processor 16. However, this will have the following disadvantages. Assuming that the switch processor 14 has twenty-four ports, it can only be designed with twenty-three ports in actual design, because one port is reserved for the central processing unit 12, and the network When a broadcast packet occurs on the channel, when the switching processor 14 is blocked by the broadcast packet, the central processing unit 12 may be unable to receive the management packet, or an excessive number of broadcast packets may be flooded to the central processing unit 12 instantly, resulting in poor management performance.

Therefore, the present invention proposes a network management device with wireless transmission in order to solve the lack of management performance degradation when the data transmission congestion of the conventional Ethernet switching device is blocked, so as to avoid data transmission congestion and improve management efficiency.

The main object of the present invention is to provide a network management device with wireless transmission. The use of an additional antenna in the central processing unit enables effective equipment management through wireless transmission even in the absence of a second line. No need to worry about whether the switch processor will cause network congestion when broadcast packets occur.

Another object of the present invention is to provide a network management device with wireless transmission. When an antenna is added, the use of an Ethernet interface can be saved, and the number of ports of a switching processor can be saved.

In order to achieve the above object, the present invention provides a network management device with wireless transmission, including at least one network processor connected to an external device through a network interface to receive first data transmitted by the external device, a central The processor is electrically connected to the network processor to receive the network The first data transmitted by the processor is converted into the second data. The central processor has a wireless component connected to the external device through wireless transmission. The central processor can selectively transmit the second data through the wireless component. To the external device, or transmitting the second data to at least one network processor, and transmitting the first data to the external device by the network processor in the first data transmission mode.

In the present invention, the wireless element may be provided on the central processing unit by a printing method, and the wireless element may be a printed antenna.

In the present invention, the at least one network processor may be a network switch, a network power supply, or a network power switch.

In the present invention, the external device may be a computer, a notebook computer, a smart phone, or a tablet computer.

In the present invention, the network interface may be an RS-232, RJ45, RJ11, fiber optic, or BNC cable network port.

In the present invention, the central processing unit further includes a management element electrically connected to the network processor for transmitting the first data and the second data, a network element signal is connected to the network processor, and the network packet and the The network processor makes a network connection and connects to an external device through a network interface.

In the present invention, a memory signal is further connected to the central processing unit for the first data and the second data to be accessed.

In the following, detailed descriptions will be made through specific embodiments in conjunction with the accompanying drawings to make it easier to understand the purpose, technical content, features and effects of the present invention.

10‧‧‧Network Switching Device

12‧‧‧Central Processing Unit

122‧‧‧Interface

124‧‧‧Management interface

14‧‧‧Switch Processor

16‧‧‧ Powered Processor

18‧‧‧ network interface

20‧‧‧Computer

30, 30 ’, 30” ‧‧‧ network management device

32‧‧‧ Network Processor

34‧‧‧Central Processing Unit

342‧‧‧Wireless components

344‧‧‧Management element

346‧‧‧Network Components

36‧‧‧Internet Interface

38‧‧‧External device

40‧‧‧Memory

P1‧‧‧First Line

P2‧‧‧Second Line

The first figure is a schematic diagram of a conventional network switching device.

The second figure is a schematic diagram of the architecture of the present invention.

The third figure is a schematic diagram of an embodiment of the present invention.

The fourth figure is a schematic diagram of a connection structure using the network management device of the present invention.

The invention utilizes the characteristics of the central processing unit combined with wireless transmission, so that the user can more flexibly and effectively manage the network management device, and can connect various devices with wireless transmission characteristics in series, and will not be affected by the current status of Ethernet To device management.

First, please refer to the second figure of the present invention. A network management device 30 with wireless transmission includes at least one network processor 32. For example, a plurality of network processors 32 may be electrically connected to a central processor 34. Each network processor 32 is electrically connected to a network interface 36, and is connected to an external device 38 through the network interface 36. The central processor 34 can also be electrically connected to a memory 40. In this embodiment, the network processor 32 may be a network switch, a network power supply, or a network power switch. The present invention does not limit the number and implementation of the network processors 32, and the external device 38 is a computer, laptop, smart phone or tablet used by users, and the network interface 36 is RS-232, RJ45, RJ11, fiber optic or BNC with cable network port, storage 40 series can be memory.

Following the above paragraph, please also refer to the second figure. The CPU 34 also has a wireless element 342, a management element 344, and a network element 346. The wireless element 342 is connected to the external device 38 by wireless transmission. For example, the wireless transmission system can be Bluetooth, Zigbee, Z-wave, or Wi-Fi, etc. The wireless element 342 in this embodiment is a printed antenna, which can be set by printing CPU 34, but the invention does not limit wireless components The implementation form of 342, for example, in this embodiment, the wireless element 342 is arranged on the printed circuit board (PCBA) in the form of a printed antenna, which can save costs without affecting the appearance, and can also be placed in the central processing unit 34 in the form of a wireless chip. Next, it is electrically connected to the central processor 34 to the antenna, while the management element 344 is electrically connected to the network processor 32, and the network element 346 is a signal to connect to the network processor 32. The network packet is used to communicate with the network. The processor 32 makes a network connection and connects to the external device 38 through the network interface 36.

After explaining the connection mode and architecture of the present invention, then the operation mode of the present invention will be described in detail, and please also refer to the third figure of the present invention. In this embodiment, a network processor 32 is taken as an example. The network processor 32 can be connected to the external device 38 through the connection of the network interface 36 to receive the first data transmitted by the external device 38. This embodiment first uses three network interfaces 36 as an example to describe, and the first The data may be a network packet, and is not limited to a device management packet sent by a manager via the network packet. Here, the network packet is an IEEE802.3 Ethernet packet. The present invention does not limit a network processor. 32 how many network interfaces 36 can be connected, depending on user design. After the network processor 32 receives the first data, the first data may be transmitted to the central processor 34 through the management element 344 of the central processor 34, and then the central processor 34 may convert the first data into the second data. In this embodiment, the second data may be a management signal, which is mainly a management signal generated by the central processor 34 for the network processor 32. Here, the management signal is a digital electronic signal bus such as I ² C, RS232, etc. In the interface of the type, the present invention does not limit how the central processing unit 34 processes and converts data. In addition, when there is too much first data entering the central processing unit 34, the central processing unit 34 can also temporarily store the first data first. In the storage 40, or the processed second data is temporarily stored in the storage 40, and the first data or the second data stored in the storage 40 can be accessed and used by the central processing unit 34.

Following the upper stage, the central processing unit 34 may selectively pass the second data to the wireless component. 342. Directly transmitted to the external device 38 through wireless transmission. Alternatively, the central processing unit 34 may transmit the second data to the network processor 32 through the management element 344, and then transmit the second data to the external device 38 through the network interface 36 through the network processor 32. However, because the central processing unit 34 transmits network packets to and from the network processing unit 32 through the network element 346, if the network processing unit 32 is blocked, the central processing unit 34 may not pass through the network processing unit. 32 transmits the second data, and directly uses its own wireless element 342 for transmission.

When the user decides to use the central processing unit to transmit directly to the external device through the wireless network, it can actually reduce the use of a network interface because the central processing unit can transmit data to the network without using network components Processor, so that the network processor does not need to use an additional network interface or port.

In addition, please refer to the fourth figure of the present invention. Because the central processing unit has the capability of wireless transmission, multiple network management devices with wireless transmission can be communicated, such as the network management device 30 and the network management device 30. ", Network management device 30", of which the network management device 30 is the main management device, and the network management device 30 'and the network management device 30 "are slave management devices attached to the network management device 30, At this time, the user can operate the external device 38, such as a smart phone or a computer, and use the network management device 30 to directly manage the network management device 30 'and the network management device 30 "using software or an APP. At the same time, it can also To solve the general need to perform master and slave management devices, you must first connect to the Ethernet switch through a physical line.

Furthermore, because the network management device of the present invention has the capability of wireless transmission, when installed in a dim or huge hinterland computer room, the user can use a hand-held device, such as a notebook computer or a smart phone, through In the wireless control mode, you can find the network management device you want to find. For example, you can install an LED indicator on the hardware device. The indicator can be illuminated by software control, so that users can search. Once the network management is found, Device is abnormal, this side You can find the problematic network management device more quickly. In addition, you can also connect a SMA type connector to the network management device. The external antenna is used to enhance the transmission of wireless signals. In addition, wireless protocols such as Bluetooth, Zigbee, Z-wave, or Wi-Fi have low power consumption characteristics. If the network management device of the present invention is combined with a UPS, even if In the event of a power outage or outage, it can also power the central processor for a long time and locate it for searching.

It is also because the central processing unit in the network management device with wireless transmission of the present invention replaces the conventional serial interface and solves the extra Ethernet port for connecting to the Ethernet. The invention will not affect the management of the device by the current situation of Ethernet. In the standby mode of the present invention, the central processor can periodically send device broadcast messages to detect whether there are devices with the same attributes nearby, and whether there is a need for users to manage the devices. When there are other attributes devices in the vicinity, the same When broadcasting a message, it can enter the group mode shown in the fourth figure above, so that the network management device with wireless transmission of the present invention can greatly improve the management efficiency of the device in addition to the advantages described above.

The above-mentioned embodiments are only for explaining the technical ideas and characteristics of the present invention, and the purpose is to enable those skilled in the art to fully understand the contents of the present invention and implement them accordingly. That is, all equal changes or modifications made according to the spirit disclosed by the present invention should still be covered by the patent scope of the present invention.

Claims (10)

A network management device with wireless transmission includes: at least one network processor connected to an external device through a network interface to receive first data transmitted by the external device; and a central processor , Which is electrically connected to the at least one network processor to receive the first data transmitted by the at least one network processor and convert the first data into second data. The central processor further includes A wireless component is connected to the external device through wireless transmission, so that the central processing unit can transmit the second data to the external device through the wireless component. The network management device with wireless transmission as described in claim 1, wherein the wireless component is arranged on the central processing unit by printing. The network management device with wireless transmission as described in claim 2, wherein the wireless element is a printed antenna. The network management device with wireless transmission according to claim 1, wherein the at least one network processor is a network switch, a network power supply, or a network power switch. The network management device with wireless transmission according to claim 1, wherein the external device may be a computer, a notebook computer, a smart phone, or a tablet computer. The network management device with wireless transmission as described in claim 1, wherein the network interface is an RS-232, RJ45, RJ11, optical fiber or BNC network cable port. The network management device with wireless transmission as described in claim 1, wherein the central processing unit further comprises: a management element, which is electrically connected to the at least one network processor to perform the network processing with the network processor. Data transmission of the first data and the second data; and a network element that is connected to the at least one network processor by a signal, and the network element uses a network packet to perform network connection with the at least one network processor And connect to the external device through the network interface. The network management device with wireless transmission according to claim 1, further comprising a memory, which is connected to the central processing unit for the first data and the second data to be accessed by the central processing unit. The network management device with wireless transmission as described in claim 1, wherein the wireless transmission may be Bluetooth, Zigbee, Z-wave or Wi-Fi. The network management device with wireless transmission as described in claim 1, wherein the central processing unit is further capable of selectively transmitting the second data to the at least one network processor and processing the second data through the at least one network. And transmitting the second data to the external device in a transmission manner of the first data.