CN219843613U

CN219843613U - Power supply switch

Info

Publication number: CN219843613U
Application number: CN202320943334.7U
Authority: CN
Inventors: 莫金存
Original assignee: Shenzhen JWIPC Technology Co Ltd
Current assignee: Shenzhen JWIPC Technology Co Ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-10-17
Anticipated expiration: 2033-04-20

Abstract

The utility model relates to a power supply switch, which comprises a MAC chip, an SFP optical port, an SFP+ optical port, a power supply module, an AC power module and a DC output module, wherein the SFP optical port is connected with the power supply module; the SFP optical port is connected with the MAC chip through a 1000BASE-X interface, the SFP+ optical port is connected with the MAC chip through an XFI interface, the MAC chip is connected with the power supply module through an I2C interface, the power supply module is connected with the DC output module, and the AC power supply module is respectively connected with the MAC chip and the power supply module; the DC output module comprises multiple paths of DC outputs, can support POE standards of power supply end equipment and power receiving end equipment, reduces application cost, and can better realize power supply management while meeting remote transmission.

Description

Power supply switch

Technical Field

The utility model relates to the technical field of switches, in particular to a power supply switch.

Background

The POE power supply switch is a switch capable of providing network power for a remote power receiving terminal through a network cable, comprises two functions of network switching and POE power supply, and is relatively common power supply equipment in a POE power supply system; at present, two types of power-supply switches exist in the market, wherein the two types of power-supply switches comprise a nonstandard POE switch and a standard POE switch, and power supply of the nonstandard POE switch and the standard POE switch is realized through network cables; the standard POE switch has detection operation before power supply and has a handshake protocol, and power supply can be performed after the user holds the handshake; the nonstandard POE switch is a strong power supply type network cable power supply device, and is powered on immediately without a detection step, whether a terminal is POE powered equipment or not is easy to burn the access equipment, and the nonstandard POE switch on the market can not perform power supply management on the powered equipment at present; moreover, since a complete POE system includes two parts, i.e., a Power Sourcing Equipment (PSE) and a Powered Device (PD), both the power sourcing and powered devices are required to support POE standards, which results in relatively high cost and a relatively limited application.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a power supply switch aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows: a power supply exchanger comprises a MAC chip, an SFP optical port, an SFP+ optical port, a power supply module, an AC power module and a DC output module; the SFP optical port is connected with the MAC chip through a 1000BASE-X interface, the SFP+ optical port is connected with the MAC chip through an XFI interface, the MAC chip is connected with the power supply module through an I2C interface, the power supply module is connected with the DC output module, and the AC power supply module is respectively connected with the MAC chip and the power supply module; the DC output module includes multiple DC outputs.

Preferably, the power supply module comprises a hot-plug power supply control chip, the hot-plug power supply control chip is provided with an EN enabling pin, and the hot-plug power supply control chip controls the DC output of the DC output module through the EN enabling pin.

Preferably, the model of the hot plug power control chip is ADM1272.

Preferably, the AC power module is a pluggable power module.

Preferably, the voltage output by the AC power module is 12V, 24V or 48V.

Preferably, the AC power module is configured to perform redundancy backup in a 1+1 redundancy mode.

Preferably, the output power of the multiple paths of DC outputs of the DC output module is limited to 250W.

Preferably, the DC output module includes a DC output interface, and the DC output interface is used for plugging a DC output terminal.

The utility model has the beneficial effects that: the power supply switch comprises a MAC chip, an SFP optical port, an SFP+ optical port, a power supply module, an AC power module and a DC output module; the SFP optical port is connected with the MAC chip through a 1000BASE-X interface, the SFP+ optical port is connected with the MAC chip through an XFI interface, the MAC chip is connected with the power supply module through an I2C interface, the power supply module is connected with the DC output module, and the AC power supply module is respectively connected with the MAC chip and the power supply module; the DC output module comprises multiple paths of DC outputs, can support POE standards of power supply end equipment and power receiving end equipment, reduces application cost, can better realize power supply management while meeting remote transmission, and effectively prevents the problem that access equipment is easy to burn out due to lack of power supply management.

Drawings

FIG. 1 is a schematic diagram of a power switch in accordance with an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a power supply switch body according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a front panel of a power supply switch in an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a back panel of a power switch in accordance with an embodiment of the present utility model;

fig. 5 is a schematic view of the structure of a DC output terminal in an embodiment of the present utility model;

in the figure, the name and the serial number are marked: a MAC chip-10; SFP optical port-20; SFP+ optical port-30; a power supply module-40; an AC power module-50; a DC output module-60; a DC output terminal-61; a power supply switch body-1; a front panel-11; a rear panel-12.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a worker of ordinary skill in the art based on the embodiments of the utility model without undue effort, are within the scope of the utility model.

The embodiment of the utility model is shown in fig. 1 to 5, and a power supply switch comprises a MAC chip 10, an SFP optical port 20, an sfp+ optical port 30, a power supply module 40, an AC power module 50 and a DC output module 60; the SFP optical port 20 is connected with the MAC chip 10 through a 1000BASE-X interface, the SFP+ optical port 30 is connected with the MAC chip 10 through an XFI interface, the MAC chip 10 is connected with the power supply module 40 through an I2C interface, the power supply module 40 is connected with the DC output module 60, and the AC power supply module 50 is respectively connected with the MAC chip 10 and the power supply module 40; the DC output module 60 includes multiple DC outputs.

In the power supply switch of the embodiment of the present utility model, the MAC chip 10 accesses the power supply module 40 through the I2C interface control to monitor the DC output state of the multiple DC outputs of the DC output module 60 in real time, and is configured to output and limit the total output power of the multiple DC outputs of the DC output module 60, so as to prevent the powered device from accessing too much, exceeding the output power of the AC power module 50, and cause restarting of the power supply switch device.

Further, in the present embodiment, the power supply module 40 includes a hot-plug power control chip, the hot-plug power control chip is provided with an EN enable pin, and the hot-plug power control chip controls the DC output of the DC output module 60 through the EN enable pin; the output power of the multiple DC outputs of the DC output module 60 is limited to 250W.

Specifically, the model of the hot plug power supply control chip is ADM1272; the hot-plug power control chip ADM1272 is used for realizing power supply management, and the hot-plug power control chip ADM1272 has the functions of UV/OV, current limits, AD, TEMP SENSOR and the like, and can realize the operations of limiting the output power of the multi-path DC output of the DC output module 60, detecting the power, detecting the output voltage and the current, reporting the DC output abnormality and the like.

The DC output module 60 is connected with external equipment through a DC output interface, and the DC output interface is provided with an anode and a cathode; the DC output interface is used for plugging the DC output terminal 61, the DC output terminal 61 is shown in fig. 5; when the DC output terminal 61 is plugged into the DC output interface, the EN enable pin of the hot-plug power supply control chip ADM1272 is pulled down, the hot-plug power supply control chip ADM1272 works, and DC is output normally; specifically, at the DC output interface, each path of DC output may be connected to a plurality of power receiving devices in parallel, and specifically, an appropriate length and thickness of the electric wire may be selected according to the distance between the actual power receiving devices.

Further, in this embodiment, the AC power module 50 is a pluggable power module, and when the application is specific, the terminal customer can select an appropriate output power source according to the actual number of terminals.

Further, in the present embodiment, the AC power module 50 is set to a redundant backup in a 1+1 redundant mode; the 1+1 redundancy mode means that in the mode, the system uses two identical and independent AD power supply modules, and the switching of power supply is realized through a control chip MAC, when one AC power supply module fails, the other AC power supply module automatically takes over the load, so that the reliable power supply of the load is ensured, and in the mode, the capacities of the two AC power supply modules are generally the same; the 1+1 redundancy mode is a term commonly used in the art to indicate a redundancy backup mode, and has clear meaning, clear indication, and no unclear problem.

Further, the voltage output by the AC power module 50 is 12V, 24V or 48V; in this embodiment, the voltage output by the AC power module 50 is 48V.

In practical use, the MAC chip 10, the SFP optical port 20, the sfp+ optical port 30, the power supply module 40, the AC power supply module 50, and the DC output module 60 in the present embodiment are disposed inside the power supply switch body 1, and the power supply switch body 1 includes the front panel 11 and the rear panel 12, and the power supply switch body 1, the front panel 11, and the rear panel 12 are shown in fig. 2, 3, and 4, respectively.

The power supply exchanger of the embodiment of the utility model can support POE standards of power supply end equipment and power receiving end equipment, reduce application cost, better realize power supply management while meeting remote transmission, and effectively prevent the problem that access equipment is easy to burn out due to lack of power supply management.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims

1. A power supply switch, characterized by: the system comprises a MAC chip, an SFP optical port, an SFP+ optical port, a power supply module, an AC power supply module and a DC output module; the SFP optical port is connected with the MAC chip through a 1000BASE-X interface, the SFP+ optical port is connected with the MAC chip through an XFI interface, the MAC chip is connected with the power supply module through an I2C interface, the power supply module is connected with the DC output module, and the AC power supply module is respectively connected with the MAC chip and the power supply module; the DC output module includes multiple DC outputs.

2. The power supply switch of claim 1, wherein: the power supply module comprises a hot-plug power supply control chip, the hot-plug power supply control chip is provided with an EN enabling pin, and the hot-plug power supply control chip controls DC output of the DC output module through the EN enabling pin.

3. The power supply switch of claim 2, wherein: the model of the hot plug power supply control chip is ADM1272.

4. The power supply switch of claim 1, wherein: the AC power module is a pluggable power module.

5. The power supply switch of claim 1, wherein: the voltage output by the AC power supply module is 12V, 24V or 48V.

6. The power supply switch of claim 1, wherein: the AC power module is configured for redundant backup in a 1+1 redundancy mode.

7. The power supply switch of claim 1, wherein: the output power of the multipath DC output of the DC output module is limited to 250W.

8. The power supply switch of claim 1, wherein: the DC output module comprises a DC output interface, and the DC output interface is used for plugging a DC output terminal.