CN221010157U - Ethernet switch device with power output function - Google Patents

Abstract

The utility model discloses an Ethernet switch device with a power output function, which comprises a power supply unit, a switching unit and an interface unit, wherein the input interface of the switch power supply is used for branching and isolating an input power supply, and then the output is protected through the interface so as to provide a 12VDC power supply commonly used for switching; the 3.3VDC power supply inside the switch is split and isolated, and then output is protected through an interface, and the 3.3VDC power supply commonly used by the sensor is provided outwards. The device utilizes the power input circuit system of the switch, and by adding a branching, isolating and interface protecting circuit, the switch can provide a power output function on the basis of realizing data access and exchange, and a set of external power adapter device is saved for intelligent sensing equipment connected with the switch; on one hand, the system implementation cost is saved, and on the other hand, the installation space is saved due to the fact that one external device is reduced, and the convenience of engineering implementation is improved.

Description

Ethernet switch device with power output function

Technical Field

The utility model relates to the technical field of comprehensive power supply, in particular to an Ethernet switch device with a power output function.

Background

At the edge node of the internet of things, the intelligent equipment is generally connected with an Ethernet switch through a network cable to realize data transmission, and the intelligent equipment in the system is often composed of the following devices:

1. An Ethernet switch device and a power supply device thereof;

2. intelligent sensing equipment with POE power supply;

3. or intelligent sensing equipment without POE power supply and power supply equipment thereof.

The edge nodes of the Internet of things are arranged at the edge of the network, the number of devices in the whole network is large, the installation environment of the devices is complex, and the problems of difficult electricity taking, narrow installation space and the like are often encountered. When intelligent sensing equipment does not possess POE function, equipment access needs additional configuration power adapter module, and construction cost increases on the one hand, and on the other hand also has bigger to the space requirement of construction, brings a lot of inconvenience for the construction.

Disclosure of Invention

The utility model aims to provide an Ethernet switch device with a power output function, which solves the defects in the prior art.

The utility model is implemented by the following technical scheme: the Ethernet switch device with the power output function comprises a power supply unit, a switching unit and an interface unit, wherein the power supply unit comprises a 12V power supply module and a DC-DC power supply module which are connected; the exchange unit comprises a CPU main control module, a FLASH storage module, a DDR cache module, a clock module, a PHY physical interface chip and an RS232 module, wherein the CPU main control module is electrically connected with the FLASH storage module, the DDR cache module, the clock module, the RS232 module and the PHY physical interface chip; the interface unit comprises a 24V power input interface, an LED indicator lamp, an RJ45/SFP Ethernet interface and a RESET module; the output end of the 24V power input interface is connected with a 12V power module, the output end of the DC-DC power module is connected with a switching unit, the CPU main control module is connected with an LED indicator lamp and a RESET module, the PHY physical interface chip is connected with an RJ45/SFP Ethernet interface, a 12V direct current output interface and a 3.3V direct current output interface are further arranged in the interface unit, a first shunt module is arranged between the 12V power module and the DC-DC power module, a second shunt module is arranged between the DC-DC power module and the switching unit, the first shunt module is connected with the 12V direct current output interface through a first isolation protection module, and the second shunt module is connected with the 3.3V direct current output interface through a second isolation protection module.

Further, the DC-DC power module outputs 3.3V direct current power to the second shunt module.

Further, the CPU main control module is a singlechip.

Further, the model number of the PHY physical interface chip is DP83848CVV.

Further, the FLASH memory module is of the type AT24C02, FM24C02 or CAT24C02.

Further, the first splitting module LM46001PWP and the second splitting module model number are MIC49300.

Further, the model numbers of the first isolation protection module HM4801 and the second isolation protection module are HM9709.

The utility model has the advantages that:

The device utilizes the power input circuit system of the switch, and by adding a branching, isolating and interface protecting circuit, the switch can provide a power output function on the basis of realizing data access and exchange, and a set of external power adapter device is saved for intelligent sensing equipment connected with the switch; on one hand, the system implementation cost is saved, and on the other hand, the installation space is saved due to the fact that one external device is reduced, and the convenience of engineering implementation is improved.

Drawings

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

FIG. 1 is a schematic block diagram of a prior art switch;

Fig. 2 is a schematic block diagram of an ethernet switch device with a power output function according to an embodiment of the present utility model;

Fig. 3 is a diagram illustrating an ethernet switch device application with a power output function compared with a conventional device application according to an embodiment of 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.

As shown in fig. 1, the conventional switch schematic block diagram includes a power supply unit, a switching unit, and an interface unit, where the power supply unit includes a 12V power supply module and a DC-DC power supply module that are connected; the exchange unit comprises a CPU main control module, a FLASH storage module, a DDR cache module, a clock module, a PHY physical interface chip and an RS232 module, wherein the CPU main control module is electrically connected with the FLASH storage module, the DDR cache module, the clock module, the RS232 module and the PHY physical interface chip; the interface unit comprises a 24V power input interface, an LED indicator lamp, an RJ45/SFP Ethernet interface and a RESET module; the output end of the 24V power input interface is connected with the 12V power module, the output end of the DC-DC power module is connected with the switching unit, the CPU main control module is connected with the LED indicator lamp and the RESET module, and the PHY physical interface chip is connected with the RJ45/SFP Ethernet interface.

As shown in fig. 2, which is a schematic block diagram of the present utility model, on the basis of the schematic block diagram of the existing switch, a 12V DC output interface and a 3.3V DC output interface are further provided in the interface unit, a first branching module is provided between the 12V power module and the DC-DC power module, and a second branching module is provided between the DC-DC power module and the switching unit, where the first branching module is connected to the 12V DC output interface through a first isolation protection module, and the second branching module is connected to the 3.3V DC output interface through a second isolation protection module.

In this embodiment, the DC-DC power module outputs 3.3V direct current power to the second shunt module.

In this embodiment, the CPU main control module is a single-chip microcomputer.

In this embodiment, the PHY physical interface chip model is DP83848CVV.

In this embodiment, the FLASH memory module is AT24C02, FM24C02, or CAT24C02.

In this embodiment, the first splitting module LM46001PWP (12 VDC output) and the second splitting module model number MIC49300 (3.3 VDC output).

In this embodiment, the first insulation protection module HM4801 (12 VDC output) and the second insulation protection module model HM9709 (3.3 VDC output).

The utility model designs a novel switch device, which can increase the power output function on the basis of the conventional switch function, can provide power supply for the intelligent sensing equipment when being connected with the intelligent sensing equipment, saves an external power supply adapting module required by the intelligent sensing equipment, saves the cost and the equipment installation space, and mainly realizes the following scheme:

The input power is split and isolated at the power input interface of the switch, and then the output is protected through the interface, and the 12VDC power commonly used for switching is provided outwards;

The 3.3VDC power supply inside the switch is split and isolated, and then output is protected through an interface, and the 3.3VDC power supply commonly used by the sensor is provided outwards.

With reference to fig. 3, the device utilizes the power input circuit system of the switch, and by adding a branching, isolating and interface protecting circuit, the switch can provide a power output function on the basis of realizing data access and exchange, so that an external power adapter device is saved for intelligent sensing equipment connected with the switch; on the one hand, the system implementation cost is saved, and on the other hand, the installation space is also saved due to the fact that one external device is reduced. The convenience of engineering implementation is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The Ethernet switch device with the power output function comprises a power supply unit, a switching unit and an interface unit, wherein the power supply unit comprises a 12V power supply module and a DC-DC power supply module which are connected; the exchange unit comprises a CPU main control module, a FLASH storage module, a DDR cache module, a clock module, a PHY physical interface chip and an RS232 module, wherein the CPU main control module is electrically connected with the FLASH storage module, the DDR cache module, the clock module, the RS232 module and the PHY physical interface chip; the interface unit comprises a 24V power input interface, an LED indicator lamp, an RJ45/SFP Ethernet interface and a RESET module; the device is characterized in that a 12V direct current output interface and a 3.3V direct current output interface are further arranged in the interface unit, a first shunt module is arranged between the 12V power module and the DC-DC power module, a second shunt module is arranged between the DC-DC power module and the exchange unit, the first shunt module is connected with the 12V direct current output interface through a first isolation protection module, and the second shunt module is connected with the 3.3V direct current output interface through a second isolation protection module.

2. An ethernet switch device with a power output function as claimed in claim 1, wherein said DC-DC power module outputs 3.3V DC power to the second splitting module.

3. The ethernet switch device with power output function according to claim 1, wherein the CPU master control module is a single chip microcomputer.

4. The ethernet switch device with power output function as claimed in claim 1, wherein the PHY physical interface chip model is DP83848CVV.

5. The ethernet switch device with power output function according to claim 1, wherein the FLASH memory module is AT24C02, FM24C02 or CAT24C02.

6. The ethernet switch device with power output function according to claim 1, wherein the first splitter module LM46001PWP and the second splitter module model number is MIC49300.

7. The ethernet switch device with power output function according to claim 1, wherein the first and second insulation protection modules HM4801 and HM9709 are respectively.