CN219304857U - Intelligent network management type gigabit switch supporting POE power supply - Google Patents

Abstract

The utility model discloses an intelligent network management type gigabit switch supporting POE power supply, which is characterized by comprising the following components: the system comprises a microcontroller module, a switch module, an SFP optical module, a 485 communication module and a POE power supply module, wherein the microcontroller module is respectively connected with the switch module and the 485 communication module; the microcontroller module is used for communicating with the switch module; the 485 communication module is used for constructing and realizing 485 communication with the outside through a 485 automatic receiving and transmitting circuit; the switch module is used for building a multi-electric-port kilomega switch circuit; the SFP optical module is used for realizing the communication function of optical-to-electrical conversion; the POE power supply module supports POE output. The utility model provides a 485 interface, supports a standard POE output function and supports a standard at POE switch function.

Description

Intelligent network management type gigabit switch supporting POE power supply

Technical Field

The utility model relates to the technical field of network equipment, in particular to an intelligent network management type gigabit switch supporting POE power supply.

Background

The existing one-optical multi-electric port switch does not support 485 communication, can not check the port network connection state, the port network transmission rate and open/close a certain port communication function through a certain interface, and does not support POE function.

Therefore, how to provide an intelligent network management type gigabit switch supporting POE power supply is a problem that needs to be solved by those skilled in the art.

Disclosure of Invention

In view of this, the utility model provides an intelligent network management type gigabit switch supporting POE power supply, which can remotely check the port connection state, the port uplink/downlink speed and the port communication function of the switch by 485 interfaces, remotely check the working voltage and current power consumption information of each POE load and support the standard at POE gigabit switch.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an intelligent network management type gigabit switch supporting POE power comprising: the system comprises a microcontroller module, a switch module, an SFP optical module, a 485 communication module and a POE power supply module, wherein the microcontroller module is respectively connected with the switch module and the 485 communication module, the switch module is connected with the SFP optical module, and the POE power supply module is respectively connected with the switch module and the microcontroller module;

the microcontroller module is used for communicating with the switch module;

the 485 communication module is used for constructing and realizing 485 communication with the outside through a 485 automatic receiving and transmitting circuit;

the switch module is used for building a multi-electric-port kilomega switch circuit;

the SFP optical module is used for realizing the communication function of optical-to-electrical conversion;

and the POE power supply module supports POE output.

Preferably, the microcontroller module comprises a main control chip, a 32M crystal oscillator circuit and a watchdog circuit, wherein the 32M crystal oscillator circuit and the watchdog circuit are respectively electrically connected with the main control chip, and the watchdog circuit is used for actively resetting the chip under the abnormal dead halt state of the main control chip.

Preferably, the 485 communication module comprises a transceiver chip and a 485 automatic transceiver circuit, and the transceiver chip is electrically connected with the 485 automatic transceiver circuit;

the 485 automatic receiving and transmitting circuit comprises a triode Q1, a resistor R38 and a resistor R39, wherein an emitter of the triode Q1 is grounded, a base electrode of the triode Q1 is connected with the resistor R38, the resistor R39 is connected with the base electrode and the emitter of the triode Q1 in parallel, and a collector of the triode Q1 is connected with an enabling end of the receiving and transmitting chip.

Preferably, the POE power supply module comprises a POE main control chip, and the POE main control chip comprises 8 POE output pins.

Compared with the prior art, the intelligent network management type gigabit switch supporting POE power supply is provided, a 485 interface is provided, a standard POE output function is supported, and a standard at POE switch function is supported.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic block diagram of an intelligent network management type gigabit switch supporting POE power supply according to the present utility model.

Fig. 2 is a circuit diagram of a microcontroller module provided by the present utility model.

Fig. 3 is a circuit diagram of a switch module provided by the present utility model.

Fig. 4 is a circuit diagram of a 485 communication module provided by the utility model.

Fig. 5 is a circuit diagram of an SFP optical module provided by the present utility model.

Fig. 6 is a circuit diagram of a POE power supply module provided by the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model discloses an intelligent network management type gigabit switch supporting POE power supply, which is shown in figure 1. Comprising the following steps: the system comprises a microcontroller module, a switch module, an SFP optical module, a POE power supply module and a 485 communication module, wherein the microcontroller module is respectively connected with the switch module and the 485 communication module, the switch module is connected with the SFP optical module, and the POE power supply module is respectively connected with the switch module and the microcontroller module;

the microcontroller module is used for communicating with the switch module;

the 485 communication module is used for constructing and realizing 485 communication with the outside through a 485 automatic receiving and transmitting circuit;

the switch module is used for building a multi-electric-port kilomega switch circuit;

the SFP optical module is used for being connected with the switch module in a certain specific mode to realize the communication function of optical-to-electrical conversion;

the POE module supports the standard at POE standard, such that each electrical outlet device supports standard POE output.

In this embodiment, as shown in fig. 2, the microcontroller module includes a main control chip, a 32M crystal oscillator circuit, a CAT823 external hardware watchdog circuit, a 3.3V power supply and a filter circuit thereof, where the main control chip adopts a CH577F chip, and CH577F is a single chip microcomputer chip with an arm kernel. The 32M crystal oscillator circuit is connected with a crystal oscillator input interface of the CH577F and provides an external clock signal necessary for working for the CH 577F. The CAT823 external hardware watchdog circuit is used for preventing the chip from being actively reset under the abnormal dead halt condition of the CH577F operation so that the chip can work normally.

In this embodiment, as shown in fig. 3, the switch module includes an RTL8367S main chip, a 25M crystal oscillator circuit, a reset circuit, and a power circuit, where the above parts are mainly used for the operation of the switch chip, and the switch chip part is connected with the RJ45 socket through a network transformer, so as to implement the 1000M communication function of 4 electric ports.

The switch part communicates with the microcontroller module through the IIC interface, and the microcontroller can realize opening and closing of switch functions through IIC communication.

In this embodiment, as shown in fig. 5, the SFP optical module includes a power supply circuit and an external mode configuration circuit. The TX and RX ports of SFP are connected with SMGII interface of exchanger module to realize communication function of optical-to-electrical conversion. The micro controller module communicates with the switch module through the IIC to open/close the SGMII interface of the switch, thereby realizing the optical fiber receiving and transmitting function of the SFP optical module.

In this embodiment, as shown in fig. 4, the 485 communication module includes a power supply circuit, a 485 transceiver chip, and a 485 automatic transceiver circuit. The 485 transceiver chip adopts a BL3085 chip, and the 485 communication module is connected to a serial port of the microcontroller module, so that the microcontroller can realize 485 communication with the outside.

In this embodiment, as shown in fig. 6, the POE power supply module: 1. the POE module main chip adopts a chip Rayleigh RTL8238 POE main control chip. RTL8238 provides 8 AT standard POE outputs, and 4 POE power outlets (namely VPORT_NEG0, VPORT_NEG1, VPORT_NEG2 and VPORT_NEG3) are selected to be connected to the center tap on the secondary side of the network transformer, so that the original network power outlet output has the standard POE function. 2. The POE module main chip communicates with the microcontroller unit through the IIC interface (i.e. pins 41, 42), and the microcontroller can turn on/off the POE output function of each network port, and can also read the voltage and current status of each POE output port.

The utility model has the following advantages:

(1) And a microcontroller module: the optical fiber communication device is communicated with the switch chip, can enable the SFP optical port function of the switch to realize optical fiber communication, opens/closes the electric port of the switch, and reads the communication uplink and downlink rates of the switch port.

(2) 485 communication module: a485 automatic receiving and transmitting circuit is built by utilizing a 485 chip, and the original transmitting and receiving pin enabling is canceled.

(3) POE power supply module: each port output supports standard at Poe output, so that the load output function of the electric port can be remotely switched, and the voltage, current and power state data of each electric port device can be remotely monitored.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. An intelligent network management type gigabit switch supporting POE power, comprising: the system comprises a microcontroller module, a switch module, an SFP optical module, a 485 communication module and a POE power supply module, wherein the microcontroller module is respectively connected with the switch module and the 485 communication module, the switch module is connected with the SFP optical module, and the POE power supply module is respectively connected with the switch module and the microcontroller module;

the microcontroller module is used for communicating with the switch module;

the 485 communication module is used for constructing and realizing 485 communication with the outside through a 485 automatic receiving and transmitting circuit;

the switch module is used for building a multi-electric-port kilomega switch circuit;

the SFP optical module is used for realizing the communication function of optical-to-electrical conversion;

and the POE power supply module supports POE output.

2. The intelligent network management type gigabit switch supporting Power Over Ethernet (POE) power supply according to claim 1, wherein the microcontroller module comprises a main control chip, a 32M crystal oscillator circuit and a watchdog circuit, the 32M crystal oscillator circuit and the watchdog circuit are respectively electrically connected with the main control chip, and the watchdog circuit is used for actively resetting the chip in an abnormal operation dead state of the main control chip.

3. The intelligent network management type gigabit switch supporting Power Over Ethernet (POE) according to claim 1, wherein the 485 communication module comprises a transceiver chip and a 485 automatic transceiver circuit, and the transceiver chip is electrically connected with the 485 automatic transceiver circuit;

the 485 automatic receiving and transmitting circuit comprises a triode Q1, a resistor R38 and a resistor R39, wherein an emitter of the triode Q1 is grounded, a base electrode of the triode Q1 is connected with the resistor R38, the resistor R39 is connected with the base electrode and the emitter of the triode Q1 in parallel, and a collector of the triode Q1 is connected with an enabling end of the receiving and transmitting chip.

4. The intelligent network management type gigabit switch supporting Power Over Ethernet (POE) power supply of claim 1, wherein the POE power supply module comprises a POE main control chip, and the POE main control chip comprises 8 POE output pins.

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