WO2021142560A1 - 一种poe交换机 - Google Patents

一种poe交换机 Download PDF

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Publication number
WO2021142560A1
WO2021142560A1 PCT/CN2020/071639 CN2020071639W WO2021142560A1 WO 2021142560 A1 WO2021142560 A1 WO 2021142560A1 CN 2020071639 W CN2020071639 W CN 2020071639W WO 2021142560 A1 WO2021142560 A1 WO 2021142560A1
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WIPO (PCT)
Prior art keywords
power supply
poe
microcontroller
module
switch
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PCT/CN2020/071639
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English (en)
French (fr)
Inventor
刘江
鲁小永
蒋宇
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广东优力普物联科技有限公司
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Application filed by 广东优力普物联科技有限公司 filed Critical 广东优力普物联科技有限公司
Priority to PCT/CN2020/071639 priority Critical patent/WO2021142560A1/zh
Publication of WO2021142560A1 publication Critical patent/WO2021142560A1/zh
Priority to US17/643,062 priority patent/US20220103385A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/10—Current supply arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0227—Cooperation and interconnection of the input arrangement with other functional units of a computer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2354/00—Aspects of interface with display user

Definitions

  • This application relates to the technical field of switches, and in particular to a POE switch capable of supporting multiple power supply standards.
  • a complete POE (Power Over Ethernet, Active Ethernet) system includes power supply equipment (PSE, Power Sourcing Equipment) and power receiving equipment (PD, Power Device), PSE equipment is a device that supplies power to Ethernet client equipment , PD devices are PSE loads (client devices) that accept power, such as IP phones, network security cameras, wireless APs, and handheld computers and other Ethernet devices.
  • PSE Power Over Ethernet, Active Ethernet
  • PD devices are PSE loads (client devices) that accept power, such as IP phones, network security cameras, wireless APs, and handheld computers and other Ethernet devices.
  • Traditional POE switches can only support a single IEEE802.3Bt standard or POH or UPOE power supply.
  • the IEEE802.3Bt standard outputs power according to the eight classification levels of PD devices, while POH and UPOE+ supply power according to the four-pair technology ( That is, all 8 wires are powered), which provides 90W of power supply regardless of the classification level of the PD device.
  • multiple PSE devices and PD devices are often used in the construction of existing POE systems. If the POE system includes multiple types of PD devices, the existing PSE devices cannot adaptively power various types of PD devices. , Poor compatibility.
  • the purpose of this application is to provide a POE switch that can support multiple power supply standards, so that one PSE device can supply power to various types of PD devices and improve the compatibility of the POE switch.
  • the present application discloses a POE switch, including a switch module, a POE power supply module, and a standard selection module.
  • the switch module is used for data interaction with external communication devices
  • the POE power supply module is used to communicate with PD devices.
  • the standard selection module includes a selection unit and a microcontroller, the microcontroller is communicatively connected with the POE power supply module, and the selection unit is connected with the microcontroller,
  • the selection unit is configured to receive an external operation and output an operation signal to the microcontroller, and the microcontroller controls the POE power supply module to supply power to the PD device according to a corresponding power supply standard according to the operation signal.
  • the POE switch of this application is equipped with a standard selection module.
  • the standard selection module includes a selection unit and a microcontroller.
  • the microcontroller is connected to the POE power supply module for communication, and the selection unit is connected to the microcontroller.
  • the micro-controller can control the POE power supply module to supply power to the PD device according to the power supply standard corresponding to the PD device by operating the selection unit, so as to provide the PD device with the power supply that is compatible with it.
  • the realization of a PSE device can supply power to various types of PD devices, which improves the compatibility of the POE switch, enabling users to flexibly respond to various needs when building a POE system, and at the same time provides a backup solution for PD device switching.
  • the selection unit is a button circuit unit, which includes a plurality of buttons respectively connected to the microcontroller, and the microcontroller monitors the operation signal of each of the buttons.
  • the keys are physical keys.
  • the selection unit includes a menu key, an up key, a down key, a confirm key and a return key.
  • the POE switch further includes a display module, the display module is electrically connected to the microcontroller, and the display module displays each of the power supply standards according to the operation signal of each of the buttons.
  • the display module is an LCD display screen.
  • the power supply standard includes at least one of IEEE802.3Bt, POH and UPOE.
  • the model of the microcontroller is STC15L2K60S2.
  • Fig. 1 is a structural block diagram of a POE switch according to an embodiment of the present application.
  • Fig. 2 is a circuit diagram of a microcontroller of a POE switch according to an embodiment of the present application.
  • Fig. 3 is a schematic circuit diagram of a selection unit of a POE switch according to an embodiment of the present application.
  • this application provides a POE switch 100, which can respond to external operations and switch to corresponding power supply standards (including but not limited to IEEE802.3Bt, POH, UPOE, etc.) according to the operation, so as to provide PDs
  • the device (not shown in the figure) provides power supply adapted to it, which can be applied to power supply of various types of PD devices.
  • the POE switch 100 of the present application includes a switch module 1, a POE power supply module 2, and a standard selection module 3.
  • the switch module 1 is used for data interaction with external communication equipment, and its main chip is matched with various matching chips and peripheral circuits to perform data forwarding, The storage function, and finally data interaction with the external communication device through the network port (such as RJ45).
  • the POE power supply module 2 is used to electrically connect with the PD device to output power supply to the PD device.
  • the standard selection module 3 includes a selection unit 31 and a microcontroller 32.
  • the microcontroller 32 communicates with the POE power supply module 2 through a flat cable, and the selection unit 31 is connected to the microcontroller 32.
  • the selection unit 31 is used to receive external operations and output operating signals to the microcontroller 32.
  • the microcontroller 32 controls the POE power supply module 2 according to the operating signals to supply power to the PD device according to the corresponding power supply standard, thereby providing power to the PD device.
  • the PD device provides the power supply adapted to it.
  • the model of the microcontroller 32 is STC15L2K60S2, but it is not limited to this.
  • the POE power supply module 2 includes a switch chip (not shown) and a power supply circuit (not shown) connected to the switch chip.
  • the power supply circuit provides 24 power supply ports.
  • the POE switch 100 may only Including eight ports, sixteen ports, etc., it should not be limited to this.
  • the POE switch 100 classifies the PD device according to the feedback of the characteristic resistance of the PD device, and outputs the corresponding power supply according to the classification level to supply power to the PD device;
  • the POE power supply module 2 provides 90W power supply to the PD device.
  • the selection unit 31 is a button circuit unit set on the POE switch 100, which includes a number of buttons electrically connected to the microcontroller 32, and the microcontroller 32 monitors the operation signal of each button, thereby According to the operation signal of each button, the POE power supply module 2 is controlled to supply power to the PD device according to the corresponding power supply standard, which has a simple structure, convenient operation and low cost.
  • the selection unit 31 may also be other components, such as a terminal device, which sends an operation signal to the microcontroller 32 by operating the terminal device, so that the microcontroller 32 controls the POE power supply module 2 to switch according to the operation signal.
  • the selection unit 31 can also be a remote controller wirelessly connected to the microcontroller 32, which sends operation signals to the microcontroller 32 by operating the keys of the remote control, so the selection unit 31 is not used
  • the specific implementation method is restriction.
  • the buttons are physical buttons, but should not be limited to this.
  • the button may also be a touch button or the like.
  • the selection unit 31 includes a menu key KEY1, an upward movement key KEY2, a downward movement key KEY3, a confirmation key KEY4, and a return key KEY5, a menu key KEY1, an upward movement key KEY2, a downward movement key KEY3, a confirmation key KEY4, and a return key KEY5 is respectively connected to the ports K1, K2, K3, K4, K5 of the microcontroller 32; enter the power supply mode menu by operating the menu key KEY1, and then adjust the selected power supply standard by operating the up key KEY2 and the down key KEY3, Then select the power supply standard by operating the confirmation key KEY4.
  • the power supply standard includes IEEE802.3Bt, POH and UPOE. If the current power supply mode is POH, if the up key KEY2 is pressed and the confirm key KEY4 is pressed, the microcontroller 32 controls the POE power supply module 2 Power is supplied in the IEEE802.3Bt power supply mode; if the down key KEY3 is pressed and the confirm key KEY4 is pressed, the microcontroller 32 controls the POE power supply module 2 to supply power in the UPOE power supply mode.
  • the microcontroller 32 controls the POE power supply module 2 to supply power in the UPOE power supply mode; Move the key KEY3 down and press the confirm key KEY4, the microcontroller 32 controls the POE power supply module 2 to supply power in the POH power supply mode.
  • the POE switch 100 of the present application further includes a display module 4, which is electrically connected to the microcontroller 32, and the display module 4 displays various power supply standards according to the operation signal of each button, so that the operator can more intuitively view the POE The current power supply mode of the switch 100. For example, when IEEE802.3Bt is selected, display module 4 displays IEEE802.3Bt and does not display other power supply standards; when POH is selected, display module 4 displays POH but does not display other power supply standards; when UPOE is selected, display module 4 displays UPOE It does not display other power supply standards.
  • the display module 4 displays various power supply standards (including but not limited to IEEE802.3Bt, POH, UPOE, etc.), and selects the power supply standard according to the operation signal of each button; for example, when IEEE802.3Bt is selected , The font color of IEEE802.3Bt changes to other colors (such as from white to green, etc.).
  • the display module 4 is an LCD display screen, but it should not be limited to this.
  • the POE switch 100 of the present application is provided with a standard selection module 3.
  • the standard selection module 3 includes a selection unit 31 and a microcontroller 32.
  • the microcontroller 32 is in communication connection with the POE power supply module 2, and the selection unit 31 and The microcontroller 32 is connected.
  • the selection unit 31 can be operated to enable the microcontroller 32 to control the POE power supply module 2 to supply power to the PD device according to the power supply standard corresponding to the PD device.
  • PD equipment with power supply that is compatible with it, enabling a PSE device to supply power to various types of PD equipment, improving the compatibility of the POE switch 100, and enabling users to flexibly deal with various types of POE systems when building a POE system. Demand, while providing a backup plan for the switch of PD equipment.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

一种POE交换机，包括交换机模块、POE供电模块及标准选择模块，交换机模块用于与外部通信设备数据交互，POE供电模块用于与PD设备电连接以输出供电电源至PD设备，标准选择模块包括选择单元和微控制器，微控制器与POE供电模块通讯连接，选择单元与微控制器连接，当需要采用POE交换机给PD设备供电时，可通过操作选择单元使微控制器控制POE供电模块以与该PD设备所对应的供电标准给PD设备供电，从而给PD设备提供与其相适配的供电功率，能够实现一种PSE设备即可给各种类别的PD设备供电，提高了POE交换机的兼容性，使得用户在搭建POE系统时能够灵活应对各种需求，同时为PD设备的切换提供了备用方案。

Description

一种POE交换机 技术领域
本申请涉及交换机技术领域，尤其涉及一种能够支持多种供电标准的POE交换机。
背景技术
随着互联网的普及度日益提高，POE交换机得到了越来越广泛的应用，其具有布线简单、成本低廉及安全性高等优点。一个完整的POE(Power Over Ethernet，有源以太网)系统包括供电端设备(PSE，Power Sourcing Equipment)和受电端设备(PD，Power Device)，PSE设备是为以太网客户端设备供电的设备，PD设备则是接受供电的PSE负载(客户端设备)，如IP电话、网络安全摄像机、无线AP及掌上电脑等以太网设备。
传统的POE交换机只能支持单一的IEEE802.3Bt标准或者POH或者UPOE供电，其中，IEEE802.3Bt标准按照PD设备的八个分类级别来分别输出供电功率，而POH和UPOE+按照四对线技术供电(即8根线全部供电)，其无论PD设备的分类级别为多少均是提供90W的供电功率。但是，现有的POE系统构建中往往使用多个PSE设备和PD设备，若POE系统中包括有多种类别的PD设备，现有的PSE设备则无法自适应地为各种类别的PD设备供电，兼容性差。
申请内容
本申请的目的在于提供一种能够支持多种供电标准的POE交换机，以实现一种PSE设备即可给各种类别的PD设备供电，提高POE交换机的兼容性。
为了实现上述目的，本申请公开了一种POE交换机，包括交换机模块、POE供电模块及标准选择模块，所述交换机模块用于与外部通信设备数据交互，所 述POE供电模块用于与PD设备电连接以输出供电电源至所述PD设备，所述标准选择模块包括选择单元和微控制器，所述微控制器与所述POE供电模块通讯连接，所述选择单元与所述微控制器连接，所述选择单元用于接收外部操作并输出操作信号至所述微控制器，所述微控制器依据所述操作信号控制所述POE供电模块以对应的供电标准给所述PD设备供电。
与现有技术相比，本申请的POE交换机设有标准选择模块，标准选择模块包括选择单元和微控制器，微控制器与POE供电模块通讯连接，选择单元与微控制器连接，当需要采用POE交换机给PD设备供电时，可通过操作选择单元使微控制器控制POE供电模块以与该PD设备所对应的供电标准给PD设备供电，从而给PD设备提供与其相适配的供电功率，能够实现一种PSE设备即可给各种类别的PD设备供电，提高了POE交换机的兼容性，使得用户在搭建POE系统时能够灵活应对各种需求，同时为PD设备的切换提供了备用方案。
较佳地，所述选择单元为按键电路单元，其包括有若干分别与所述微控制器连接的按键，所述微控制器监测各所述按键的操作信号。
较佳地，所述按键为物理按键。
较佳地，所述选择单元包括有菜单键、上移键、下移键、确认键及返回键。
较佳地，所述POE交换机还包括显示模块，所述显示模块与所述微控制器电连接，所述显示模块依据各所述按键的操作信号显示各所述供电标准。
较佳地，所述显示模块为LCD显示屏。
较佳地，所述供电标准包括IEEE802.3Bt、POH及UPOE之至少一者。
较佳地，所述微控制器的型号为STC15L2K60S2。
附图说明
图1是本申请一实施例POE交换机的组成结构框图。
图2是本申请一实施例POE交换机的微控制器的电路图。
图3是本申请一实施例POE交换机的选择单元的电路原理图。
具体实施方式
为详细说明本申请的技术内容、构造特征、所实现的效果，以下结合实施方式并配合附图详予说明。
请参阅图1至图3，本申请提供一种POE交换机100，其可响应外界的操作并依据操作切换至相应的供电标准(包括但不限于IEEE802.3Bt、POH及UPOE等)，从而给PD设备(图未示)提供与其相适配的供电功率，可以适用于各种类别的PD设备的供电。具体的，本申请的POE交换机100包括交换机模块1、POE供电模块2及标准选择模块3，交换机模块1用于与外部通信设备数据交互，其主芯片搭配各个配合芯片和外围电路执行数据转发、存储功能，最后通过网口(如RJ45)与外部通信设备进行数据交互，至于交换机模块1具体如何实现与外部通信设备数据交互为现有技术，在此不再赘述。POE供电模块2用于与PD设备电连接以输出供电电源至PD设备，标准选择模块3包括选择单元31和微控制器32，微控制器32通过排线与POE供电模块2通讯连接，选择单元31与微控制器32连接，选择单元31用于接收外部操作并输出操作信号至微控制器32，微控制器32依据操作信号控制POE供电模块2以对应的供电标准给PD设备供电，从而给PD设备提供与其相适配的供电功率。
其中，微控制器32的型号为STC15L2K60S2，但不以此为限。其中，POE供电模块2包括交换机芯片(图未示)和与交换机芯片连接的供电电路(图未示)，供电电路提供24个供电端口，当然，在一些实施例中，POE交换机100也可以仅包括有八个端口、十六个端口等，故不应以此为限。
具体而言，当选择以IEEE802.3Bt供电模式给PD设备供电时，POE交换机100根据PD设备的特征电阻的反馈对PD设备进行分类，并根据分类等级输出相应的供电功率给PD设备供电；当选择以POH或UPOE供电模式给PD设备供电时，POE交换机100在检测到PD设备后，无论PD设备的分类等级为多少，POE供电模块2均是给PD设备提供90W供电功率。
请参阅图3，具体的，选择单元31为设置在POE交换机100上的按键电路单元，其包括有若干分别与微控制器32电连接的按键，微控制器32监测各按键的操作信号，从而根据各个按键的操作信号控制POE供电模块2以对应的供电标准给PD设备供电，结构简单、操作方便且成本低廉。当然，在一些实施例 中，选择单元31也可以为其它组成，例如终端设备，通过操作终端设备给微控制器32发送操作信号，从而使微控制器32依据该操作信号控制POE供电模块2切换供电标准；在一些实施例中，选择单元31还可以为与微控制器32无线通讯连接的遥控器，通过操作操作遥控器的按键从而给微控制器32发送操作信号，故不以选择单元31的具体实现方式为限制。
更具体的，按键为物理按键，但不应以此为限。在一些实施例中，按键也可以为触控按键等。优选的，选择单元31包括有菜单键KEY1、上移键KEY2、下移键KEY3、确认键KEY4及返回键KEY5，菜单键KEY1、上移键KEY2、下移键KEY3、确认键KEY4及返回键KEY5分别对应接至微控制器32的端口K1、K2、K3、K4、K5；通过操作菜单键KEY1进入供电模式菜单，然后通过操作上移键KEY2和下移键KEY3以调整选择的供电标准，而后通过操作确认键KEY4选定供电标准，当需要重新查看供电模式菜单时，通过操作返回键KEY5即可返回菜单页面。例如，在一实施例中，供电标准包括IEEE802.3Bt、POH及UPOE三种，假如当前供电模式为POH，若按下上移键KEY2并按下确认键KEY4，微控制器32控制POE供电模块2以IEEE802.3Bt供电模式供电；若按下下移键KEY3并按下确认键KEY4，微控制器32控制POE供电模块2以UPOE供电模式供电。再例如，在一实施例中，假如当前供电模式为IEEE802.3Bt，若按下上移键KEY2并按下确认键KEY4，微控制器32控制POE供电模块2以UPOE供电模式供电；若按下下移键KEY3并按下确认键KEY4，微控制器32控制POE供电模块2以POH供电模式供电。
具体的，本申请的POE交换机100还包括显示模块4，显示模块4与微控制器32电连接，显示模块4依据各按键的操作信号显示各供电标准，使得操作人员能够更直观地查看到POE交换机100当前的供电模式。例如，当选择IEEE802.3Bt时，显示模块4显示IEEE802.3Bt而不显示其它供电标准；当选择POH时，显示模块4显示POH而不显示其它供电标准；当选择UPOE时，显示模块4显示UPOE而不显示其它供电标准。在一些实施例中，显示模块4显示有各供电标准(包括但不限于IEEE802.3Bt、POH及UPOE等)，并依据各按键的操作信号着色选定供电标准；例如，当选择IEEE802.3Bt时，IEEE802.3Bt 的字体颜色变为其它颜色(如由白色变为绿色等)。优选的，显示模块4为LCD显示屏，但不应以此为限。
与现有技术相比，本申请的POE交换机100设有标准选择模块3，标准选择模块3包括选择单元31和微控制器32，微控制器32与POE供电模块2通讯连接，选择单元31与微控制器32连接，当需要采用POE交换机100给PD设备供电时，可通过操作选择单元31使微控制器32控制POE供电模块2以与该PD设备所对应的供电标准给PD设备供电，从而给PD设备提供与其相适配的供电功率，能够实现一种PSE设备即可给各种类别的PD设备供电，提高了POE交换机100的兼容性，使得用户在搭建POE系统时能够灵活应对各种需求，同时为PD设备的切换提供了备用方案。
以上所揭露的仅为本申请的较佳实例而已，当然不能以此来限定本申请之权利范围，因此依本申请申请专利范围所作的等同变化，仍属于本申请所涵盖的范围。

Claims (8)

  1. 一种POE交换机，其特征在于，包括交换机模块、POE供电模块及标准选择模块，所述交换机模块用于与外部通信设备数据交互，所述POE供电模块用于与PD设备电连接以输出供电电源至所述PD设备，所述标准选择模块包括选择单元和微控制器，所述微控制器与所述POE供电模块通讯连接，所述选择单元与所述微控制器连接，所述选择单元用于接收外部操作并输出操作信号至所述微控制器，所述微控制器依据所述操作信号控制所述POE供电模块以对应的供电标准给所述PD设备供电。
  2. 如权利要求1所述的POE交换机，其特征在于，所述选择单元为按键电路单元，其包括有若干分别与所述微控制器连接的按键，所述微控制器监测各所述按键的操作信号。
  3. 如权利要求2所述的POE交换机，其特征在于，所述按键为物理按键。
  4. 如权利要求2所述的POE交换机，其特征在于，所述选择单元包括有菜单键、上移键、下移键、确认键及返回键。
  5. 如权利要求4所述的POE交换机，其特征在于，还包括显示模块，所述显示模块与所述微控制器电连接，所述显示模块依据各所述按键的操作信号显示各所述供电标准。
  6. 如权利要求5所述的POE交换机，其特征在于，所述显示模块为LCD显示屏。
  7. 如权利要求1所述的POE交换机，其特征在于，所述供电标准包括 IEEE802.3Bt、POH及UPOE之至少一者。
  8. 如权利要求1所述的POE交换机，其特征在于，所述微控制器的型号为STC15L2K60S2。
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