CN114401156A - Power supply control method and device of PSE (Power supply Equipment), PSE equipment and power supply system - Google Patents

Power supply control method and device of PSE (Power supply Equipment), PSE equipment and power supply system Download PDF

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Publication number
CN114401156A
CN114401156A CN202111485798.XA CN202111485798A CN114401156A CN 114401156 A CN114401156 A CN 114401156A CN 202111485798 A CN202111485798 A CN 202111485798A CN 114401156 A CN114401156 A CN 114401156A
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module
pse
power supply
power
supply control
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CN114401156B (en
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覃煜
权少强
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Chengdu Lianzhou International Technology Co ltd
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Chengdu Lianzhou International Technology Co ltd
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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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/28—Current-supply circuits or arrangements for selection equipment at exchanges

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Power Sources (AREA)

Abstract

The invention provides a power supply control method, a power supply control device, power supply equipment and a power supply medium of PSE equipment, wherein the PSE equipment comprises a control module, an exchange module and a PSE module; the control method comprises the following steps: when the switching module is in a restarting or fault state, power supply control information fed back by the switching module before restarting or fault occurs is acquired; and controlling the PSE module to supply power to the outside according to the power supply control information. By adopting the embodiment of the invention, uninterrupted power supply to the back-end PD equipment can be kept when the switching module is restarted or fails, so that the power supply requirement of the PD equipment which needs to supply uninterrupted power for a long time is ensured, and the PSE equipment can be stably and normally used. In addition, the power supply control information is sent to the control module with short initialization time, and then the control module directly manages the PSE module, so that the PSE equipment can be quickly and externally supplied with power, and the starting completion time of the PD equipment is greatly shortened.

Description

Power supply control method and device of PSE (Power supply Equipment), PSE equipment and power supply system
Technical Field
The invention relates to the technical field of power over Ethernet, in particular to a power supply control method and device for PSE (Power sourcing Equipment), PSE equipment and a power supply system.
Background
Power Over Ethernet (PoE) is a technology that can transmit Power and data to a terminal device Over twisted pair lines in Ethernet. A complete Power over ethernet system includes a Power Sourcing Equipment (PSE) and a Powered Device (PD), where the PSE is a Device that supplies Power to a client Device in the ethernet system and is also a manager of the Power supply process of the entire ethernet system, and the PD is a client Device in the ethernet system, that is, a PSE load that receives Power.
However, the inventor of the present invention finds, in a study on the prior art, that a power supply function of the existing PSE device is mainly directly controlled by the switching module of the PSE device, on one hand, when the switching module is powered on and started again, the PSE module is controlled to supply power to the outside only after the switching device is initialized, and a preparation process of power supply consumes a long time; on the other hand, when the switching module is restarted or fails without power failure, the PSE module cannot be continuously controlled to supply power to the outside, which causes a great influence on the normal use of the PD device requiring long-time uninterrupted power supply.
Disclosure of Invention
The invention provides a power supply control method and device of PSE (power sourcing equipment), PSE equipment and a power supply system, which can quickly supply power to PD (device powered device) when the equipment is powered on and started again, and ensure uninterrupted power supply to the PD equipment when a switching module is restarted or fails under the condition of not powering off.
In order to achieve the above object, an embodiment of the present invention provides a power supply control method for PSE equipment, including the following steps:
the PSE equipment comprises a control module, a switching module and a PSE module; the switching module is connected with the control module, and the control module is connected with the PSE module;
the control method is executed by the control module and comprises the following steps:
when the switching module is in a restarting or fault state, power supply control information fed back by the switching module before restarting or fault occurs is acquired;
controlling the PSE module to supply power to the outside according to the power supply control information; the switching module and the PSE module respectively adopt independent power supplies.
As an optional embodiment, before the restarting or the failure of the switching module, after receiving the power supply control information fed back by the switching module, the method further includes:
and when the content of the power supply control information is judged to be inconsistent with the content stored in advance, updating the content stored in advance to the content of the power supply control information.
As an alternative embodiment, the power supply control information is that the switching module stores power supply control information of the PSE device by a user therein in response to a setting operation instruction input by the user.
As an optional embodiment, the power supply control information at least includes: the maximum power of the whole machine, the power of a single port and the priority of the port.
As an optional embodiment, the PSE device further includes a PSE power supply for supplying power to the PSE module, and the PSE power supply supplies power to the control module through a power conversion module.
As an optional embodiment, the PSE device further includes a switching system power supply for supplying power to the switching module, and the switching system power supply supplies power to the switching module through a power conversion module.
The invention correspondingly provides a power supply control device of the PSE equipment, wherein the PSE equipment comprises a control module, an exchange module and a PSE module; the switching module is connected with the control module, and the control module is connected with the PSE module;
the power supply control device is arranged inside the control module and comprises:
the information acquisition unit is used for acquiring power supply control information fed back by the switching module before the switching module is restarted or fails when the switching module is in a restarting or failure state;
the power supply control unit is used for controlling the PSE module to supply power to the outside according to the power supply control information; the switching module and the PSE module respectively adopt independent power supplies.
Correspondingly, the invention provides PSE equipment in another embodiment, which comprises a control module, an exchange module and a PSE module; the switching module is connected with the control module, and the control module is connected with the PSE module;
the control module is used for executing the following steps:
when the switching module is in a restarting or fault state, power supply control information fed back by the switching module before restarting or fault occurs is acquired;
controlling the PSE module to supply power to the outside according to the power supply control information; the switching module and the PSE module respectively adopt independent power supplies.
As an optional embodiment, the control module is further configured to, before the switch module is restarted or failed, after receiving power supply control information fed back by the switch module:
and when the content of the power supply control information is judged to be inconsistent with the content stored in advance, updating the content stored in advance to the content of the power supply control information.
Another embodiment of the present invention correspondingly provides a power over ethernet system, which includes a powered device and the PSE device according to the above embodiment of the present invention.
Compared with the prior art, the power supply control method and device for the PSE equipment, the PSE equipment and the power supply system provided by the embodiment of the invention can keep uninterrupted power supply for the rear-end PD equipment when the switching module in the PSE equipment is restarted or fails, thereby ensuring the power supply requirement of the PD equipment which needs to supply power for a long time without interruption and the stable and normal use of the PSE equipment. In addition, the power supply control information is sent to the control module with short initialization time, and then the control module directly manages the PSE module, so that the PSE equipment can be quickly and externally powered, the starting completion time of the PD equipment is greatly shortened, and the PD equipment is guaranteed to enter a normal working state as quickly as possible.
Drawings
FIG. 1 is a schematic structural diagram of a PSE device according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a power supply control method for PSE equipment according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another PSE device provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a power supply control apparatus of a PSE device according to an embodiment of the present invention;
fig. 5 is a schematic flowchart of an execution flow of a control module of a PSE device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, which is a schematic structural diagram of a PSE device according to an embodiment of the present invention, the PSE device 1 includes a switching module 10, a control module 11, and a PSE module 12; the switching module 10 is connected to the control module 11, and the control module 11 is connected to the PSE module 12.
Referring to fig. 2, it is a schematic flow chart of a power supply control method for a PSE device according to an embodiment of the present invention, where the control method is executed by the control module 11, and includes steps S11 to S12:
s11, when the switching module 10 is in a restart or failure state, obtaining power supply control information fed back by the switching module 10 before the restart or failure occurs; wherein the restart comprises restart when power is re-powered and restart under the condition of no power failure.
It should be noted that the restart state described in the present invention may be a start state in which the PSE device is powered on again after the power failure of the complete machine, or may be a restart state in which the PSE device is not powered on, and specifically may be set according to actual requirements or experiments, which is not limited herein.
It can be understood that when the switching module 10 is in a restart or failure state, the main chip in the switching module 10 cannot continuously control the PSE module 12 to supply power to the outside and perform power management, resulting in power down of the back-end PD device, which is for the PD devices requiring long-time uninterrupted POE power supply, for example: normal use of PD-type LED luminaires, POE-powered medical devices, etc. is greatly affected, and therefore, improvements to existing PSE devices are needed.
S12, controlling the PSE module 12 to supply power to the outside according to the power supply control information; wherein, the switching module 10 and the PSE module 12 respectively use independent power supplies.
The execution sequence of steps S11 to S12 according to the embodiment of the present invention may be set according to the actual application, and is not limited herein. For example, when the PSE device is in the first-time startup state, the control device may perform power supply management according to default power supply control information, instead of performing power supply management according to power supply control information obtained from the switching module in advance, in which case, it can be easily understood by those skilled in the art that the control device may directly perform step S12 to perform fast power supply for external.
It should be noted that, in the embodiment of the present invention, based on improvement of the existing managed switch, by sending the power supply control information to the control module 11 with short initialization time and then directly managing the PSE module 12 by the control module 11, when the device is started for the first time or subsequently, the control module 11 manages the PSE module 12 according to the default power supply control information or the power supply control information stored before, so as to implement fast external power supply of the PSE device 1, and greatly shorten the start completion time of the PD device. And when the switching module 10 is in a restart or fault state, acquiring power supply control information fed back by the switching module 10 before the restart or fault occurs, and controlling the PSE module 12 to supply power to the outside according to the power supply control information. Thereby can realize the quick power supply of PSE equipment 1 when switching module 10 is electrified again, when switching module 10 takes place restarting or trouble under the uninterrupted power condition, keep the uninterrupted power supply to rear end PD equipment, guarantee need not the power supply demand of the PD equipment of the uninterrupted power supply for a long time to and the stable normal use of PSE equipment 1. As is well known in the prior art, in order to implement uninterrupted power supply of the PSE device 1, a redundant power supply is mainly provided, so that communication of the whole device and power supply of the PSE are continuously ensured when the first power supply or the external power supply is abnormal. In addition, the existing management type PoE switch has the PSE function controlled and managed by a CPU built in a main chip, the main chip cannot control the PSE to supply power externally and manage the PSE in the initialization process, and for the management type PoE switch, the initialization of the system can be completed only by performing operations such as configuration of each function module of hardware, loading of an operating system, loading of an application program and the like, the consumed time is usually more than minutes, and the switch with complex functions is even longer. The PD equipment at the back end can be powered after the switch system is initialized, and the PD equipment can normally work after the PD initialization is completed, so the time from power-on/restart of the PoE switch equipment to normal work of the PD is the sum of the switch system initialization time and the PD equipment initialization time, which takes a long time. For simple PD equipment, the initialization is fast, and the initialization time of a PoE switch limits the PD starting completion time.
Compared with the prior art, the power supply control method for the PSE equipment provided by the embodiment of the invention can keep uninterrupted power supply for the back-end PD equipment when the switching module 10 in the PSE equipment 1 is restarted or fails, thereby ensuring the power supply requirement of the PD equipment which needs to supply power for a long time without interruption and the stable normal use of the PSE equipment 1. In addition, the power supply control information is sent to the control module 11 with short initialization time, and then the control module 11 directly manages the PSE module 12, so that the PSE equipment can be quickly and externally powered, the starting completion time of the PD equipment is greatly shortened, and the PD equipment is ensured to enter a normal working state as quickly as possible.
As an optional embodiment, before the restart or failure of the switching module 10, after receiving the power supply control information fed back by the switching module 10, the method further includes:
and when the content of the power supply control information is judged to be inconsistent with the content stored in advance, updating the content stored in advance to the content of the power supply control information.
Illustratively, the main chip of the switching module 10 sends the power supply control information to the control chip of the control module 11, and after receiving the power supply control information, the control chip will determine whether the power supply control information is consistent with the currently stored power supply control information, and when the power supply control information is inconsistent, update the power supply control information to the storage area; the storage area may be a flash inside the control chip or a plug-in storage device 111.
The storage method and the selection of the storage area may be set according to actual requirements or experiments, and are only for illustration and not limited herein.
In addition, it should be noted that, when the switching module 10 of the PSE device 1 is in the initialization state after the switching module 10 is powered on for the first time or powered on for the first time after the factory setting is restored, the control chip of the control module 11 controls and manages the PSE module 12 by default configuration and management information. After the PSE device 1 is powered off, the management information set by the user last time is simultaneously stored in the storage area of the switching module 10 and the storage area of the control module 11; after the device is powered on again, during the initial period of the switching module 10, the control module 11 may control and manage the PSE module 12 with the management information stored by itself and set by the user last time, after the initialization of the switching module 10 is completed, if the management information is updated, the new management information is transferred to the control module 11, and the control module 11 updates the management information in the storage area and controls and manages the PSE module 12 with the new management information in real time.
It should be noted that, by storing the power supply control information in the control module 11 in advance, and by synchronizing the switching module 10 and the control module 11 in real time, it is ensured that when the switching module 10 fails, the control module 11 can directly perform power supply control on the PSE module 12, so as to implement uninterrupted and fast power supply of the power supply device.
As an alternative embodiment, the power supply control information is that the switching module 10 stores power supply control information of the PSE device 1 by a user therein in response to a setting operation instruction input by the user.
Illustratively, the management-type PoE switch provides an interaction mode such as a web management interface or a console port for a user to set management information, where the management information (i.e., power supply control information) includes a maximum power of the whole PSE, a power of a single port, a priority of a port, and the like, and when the switching module 10 of the PSE device 1 operates normally, the user can set and store related management information through the provided interaction mode, and synchronize the information to the control chip in real time after the storage.
It can be understood that, when the switching module 10 is initialized, operations such as configuring each function module of hardware, loading an operating system, and loading an application program need to be performed, and during the period, the PSE module 12 cannot be controlled and managed, so that it takes longer time from the power-on of the PSE device 1 to the normal external power supply of the PSE module 12, which is more than minutes, and the device with complex functions is even longer; and simple control chips such as the MCU and the like only need to load the internal function module and the required peripheral interface for initialization, so that the initialization time is very short, and the PSE module 12 can be initialized and controlled to supply power and management for external power at a basic second level. The main chip indirectly manages the PSE module 12 through the control chip with short initialization time, thereby realizing fast power supply and management of the PSE module 12.
It should be noted that the PSE device 1 is not limited to a switch, and the interaction method between the user and the PSE device 1 is not limited to the above interaction method, and may be set according to actual needs or experiments, and is not limited herein.
It is worth mentioning that the power supply management information or the power supply control information can be configured according to the requirements of the user, so as to further improve the user experience,
as an optional embodiment, the power supply control information at least includes: the maximum power of the whole machine, the power of a single port and the priority of the port.
It should be noted that the power supply control information may further include: the specific content of the port enable, the remaining power, the port voltage, the port current, and the like, and the power supply control information may be set according to actual requirements or experiments, and is only for illustration and not limited herein.
Illustratively, the web page of the management-type PoE switch may simultaneously feed back status information such as port real-time power, remaining power, backend PD classification result, and the like to the user, the control chip may feed back relevant monitoring information in real time through the monitoring PSE module 12 to be acquired by the switching module 10, and the switching module 10 may interact with the user by reading the monitoring information in the control chip during normal operation.
It should be noted that, when the switching module 10 has abnormal conditions such as system restart, system crash, chip damage, hardware short circuit, switching system power failure, etc., the control chip can continue to control and manage the PSE module 12 based on the stored management information before the abnormal conditions occur, so as to ensure uninterrupted power supply of the back-end PD device. In addition, the main chip is adopted to transmit related management information to the control chip of the control module 11 with short initialization time, and then the control chip directly manages the PSE module 12 to realize indirect management of the main chip on the PSE so as to realize that the management type PoE switch quickly supplies power to the rear-end PD equipment when being electrified and initialized again, thereby greatly shortening the starting completion time of the PD equipment and ensuring that the PD equipment enters a normal working state as soon as possible.
It should be noted that the power supply control information may be set according to actual requirements or experiments, and is only for illustration and not limited herein.
As an alternative embodiment, the PSE device 1 further comprises a PSE power supply 121 for supplying power to the PSE module 12, wherein the PSE power supply 121 supplies power to the control module 1111 through a power conversion module 112.
It should be noted that, through the design of the independent power supplies of the PSE module 12 and the switching module 10, under the condition that the power supply of the switching module 10 fails or the switching module 10 is short-circuited, the power supply of the PSE system side (the control module 11 and the PSE module 12) is not affected, so that the normal uninterrupted power supply of the PSE device 1 is ensured. In addition, the related management information is transmitted to the control chip with short initialization time based on the main chip, and then the main chip indirectly manages the PSE module 12 in a manner that the control chip directly manages the PSE module, so that the PSE device 1 can quickly supply power to the outside.
As an alternative embodiment, the PSE device 1 further includes a switching system power supply 101 for supplying power to the switching module 10, and the switching system power supply 101 supplies power to the switching module 10 through a power conversion module 102.
It should be noted that, by configuring independent power supplies for the switching module 10 and the PSE module 12 respectively, the influence of the switching module 10 on the power supply of the PSE module 12 can be avoided, so that uninterrupted and fast power supply of the PSE device 1 is realized when the switching module 10 is abnormal.
As an alternative embodiment, the PSE device 1 further includes a network signal transformer 13 and an ethernet port 14 to supply power to the back-end PD device.
Illustratively, a main chip of the switching module 10 transfers related management information to a control chip, the control chip stores the management information in a plug-in memory device or a built-in flash, the control chip directly manages the PSE module 12 according to the related management information, the PSE module 12 is controlled to supply power to the outside, indirect management of the main chip on the PSE module 12 is realized, and a power supply provided by the PSE module 12 is coupled with data information of the switching module 10 in a network signal transformer 13 and is output through an ethernet port 14.
It should be noted that, theoretically, the network signal transformer 13 is not required, and the ethernet port 14 can be directly connected to the ethernet port for normal operation. But the transmission distance is very limited, and when the network ports with different levels are connected, the interference of the outside to the chip is also very large, and after the network signal transformer 13 is connected, the signal level coupling can be used.
As an alternative embodiment, see fig. 3, the PSE device 1 further comprises a switched backup system 15.
It should be noted that when the switching module 10 is abnormal, the PSE supplies power continuously and quickly, and at the same time, the switching backup system is triggered to start, so that the normal power supply and the uninterrupted communication are both ensured, and the requirement that an application scene needing to work continuously for a long time without interruption, such as AP wireless coverage, IP camera video monitoring, and the like, continues to work when the switching main system is abnormal is also met, and the whole application topology is ensured to run continuously.
It should be noted that the specific design structure, the interactive information storage manner, the information exchange content, the information transmission interface and the manner of each module may be set according to actual requirements or experiments, and are not limited herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 4, which is a schematic structural diagram of a power supply control apparatus 4 of a PSE device according to an embodiment of the present invention, the PSE device 1 includes a control module 11, a switching module 10, and a PSE module 12; wherein, the switching module 10 is connected with the control module 11, and the control module 11 is connected with the PSE module 12;
the power supply control device 4 is provided inside the control module 11, and includes:
an information obtaining unit 41, configured to obtain, when the switching module 10 is in a restart or failure state, power supply control information fed back by the switching module 10 before the restart or failure occurs; the restarting comprises restarting when power is re-powered on and restarting under the condition of no power failure;
a power supply control unit 42, configured to control the PSE module 12 to supply power to the outside according to the power supply control information; wherein, the switching module 10 and the PSE module 12 respectively use independent power supplies.
Compared with the prior art, the power supply control device for the PSE device according to the embodiment of the present invention obtains the power supply control information fed back by the switching module 10 before the restart or the failure occurs through the information obtaining unit 41, and controls the PSE module 12 to supply power to the outside through the power supply control unit 42. By adopting the embodiment of the invention, uninterrupted power supply to the back-end PD equipment can be kept when the switching module 10 in the PSE equipment 1 is restarted or fails, so that the power supply requirement of the PD equipment which needs uninterrupted power supply for a long time is ensured, and the PSE equipment 1 can be stably and normally used. In addition, the power supply control information is sent to the control module 11 with short initialization time, and then the control module 11 directly manages the PSE module 12, so that the PSE device 1 can be quickly powered externally, the starting completion time of the PD device is greatly shortened, and the PD device is ensured to enter a normal working state as quickly as possible.
As an optional embodiment, before the restart or failure of the switching module 10, after receiving the power supply control information fed back by the switching module 10, the method further includes:
and when the content of the power supply control information is judged to be inconsistent with the content stored in advance, updating the content stored in advance to the content of the power supply control information.
As an alternative embodiment, the power supply control information is that the switching module 10 stores power supply control information of the PSE device 1 by a user therein in response to a setting operation instruction input by the user.
As an optional embodiment, the power supply control information at least includes: the maximum power of the whole machine, the power of a single port and the priority of the port.
As an alternative embodiment, the PSE device 1 further comprises a PSE power supply 121 for supplying power to the PSE module 12, wherein the PSE power supply 121 supplies power to the control module 1111 through a power conversion module 112.
As an alternative embodiment, the PSE device 1 further includes a switching system power supply 101 for supplying power to the switching module 10, and the switching system power supply 101 supplies power to the switching module 10 through a power conversion module 102.
As an alternative embodiment, the PSE device 1 further includes a network signal transformer 13 and an ethernet port 14 to supply power to the back-end PD device.
As an alternative embodiment, the PSE device 1 further comprises a switched backup system 15.
In addition, it should be noted that for the specific description and the beneficial effects of each embodiment of the power supply control apparatus of the PSE device in this embodiment, reference may be made to the specific description and the beneficial effects of each embodiment of the power supply control method of the PSE device described above, and details are not described herein.
Correspondingly, another embodiment of the present invention provides a PSE device 1, which includes a control module 11, a switching module 10, and a PSE module 12; the switching module 10 is connected to the control module 11, and the control module 11 is connected to the PSE module 12.
Referring to fig. 5, it is a schematic diagram of an execution flow of the control module 11 of the PSE device according to an embodiment of the present invention, where the control module 11 is configured to execute steps S51 to S52:
s51, when the switching module 10 is in a restart or failure state, obtaining power supply control information fed back by the switching module 10 before the restart or failure occurs; the restarting comprises restarting when power is re-powered on and restarting under the condition of no power failure;
s52, controlling the PSE module 12 to supply power to the outside according to the power supply control information; wherein, the switching module 10 and the PSE module 12 respectively use independent power supplies.
As an optional embodiment, the control module 11 is further configured to, before a restart or a failure of the switching module 10 occurs, after receiving power supply control information fed back by the switching module 10:
and when the content of the power supply control information is judged to be inconsistent with the content stored in advance, updating the content stored in advance to the content of the power supply control information.
As an alternative embodiment, the power supply control information is that the switching module 10 stores power supply control information of the PSE device 1 by a user therein in response to a setting operation instruction input by the user.
As an optional embodiment, the power supply control information at least includes: the maximum power of the whole machine, the power of a single port and the priority of the port.
As an alternative embodiment, the PSE device 1 further comprises a PSE power supply 121 for supplying power to the PSE module 12, wherein the PSE power supply 121 supplies power to the control module 1111 through a power conversion module 112.
As an alternative embodiment, the PSE device 1 further includes a switching system power supply 101 for supplying power to the switching module 10, and the switching system power supply 101 supplies power to the switching module 10 through a power conversion module 102.
As an alternative embodiment, the PSE device 1 further includes a network signal transformer 13 and an ethernet port 14 to supply power to the back-end PD device.
As an alternative embodiment, the PSE device 1 further comprises a switched backup system 15.
In addition, it should be noted that for the specific description and the beneficial effects of each embodiment of the PSE device 1 in this embodiment, reference may be made to the specific description and the beneficial effects of each embodiment of the power supply control method of the PSE device described above, and details are not described herein.
Another embodiment of the present invention correspondingly provides a power over ethernet system, which includes a powered device 50 and the PSE device 1 according to the above embodiment of the present invention, where the powered device 50 is connected to the PSE device 1 through the ethernet port 14 of the PSE device 1.
It should be noted that the PSE device 1 in the embodiment of the present invention may be a switch or a router supporting PoE, and the PSE device 1 may include one or more ethernet ports 14.
Those skilled in the art will appreciate that the modules in the devices in the embodiments may be adaptively changed and arranged in one or more devices different from the embodiments. The modules or units in the embodiments may be combined into one module or unit, and furthermore, they may be divided into a plurality of sub-modules or sub-units. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. The power supply control method of the PSE equipment is characterized in that the PSE equipment comprises a control module, a switching module and a PSE module; the switching module is connected with the control module, and the control module is connected with the PSE module;
the control method is executed by the control module and comprises the following steps:
when the switching module is in a restarting or fault state, power supply control information fed back by the switching module before restarting or fault occurs is acquired; the restarting comprises restarting when power is re-powered on and restarting under the condition of no power failure;
controlling the PSE module to supply power to the outside according to the power supply control information; the switching module and the PSE module respectively adopt independent power supplies.
2. The power supply control method of the PSE device as claimed in claim 1, wherein before the restart or failure of the switching module, after receiving the power supply control information fed back by the switching module, the method further comprises:
and when the content of the power supply control information is judged to be inconsistent with the content stored in advance, updating the content stored in advance to the content of the power supply control information.
3. The power supply control method of the PSE device as recited in claim 1, wherein the power supply control information is a setting operation instruction input by the user for the switching module to store the power supply control information of the PSE device by the user therein.
4. The power supply control method of the PSE device as claimed in claim 3, wherein the power supply control information at least includes: the maximum power of the whole machine, the power of a single port and the priority of the port.
5. The method of claim 1, wherein the PSE device further comprises a PSE power source for supplying power to the PSE module, and the PSE power source supplies power to the control module through a power conversion module.
6. The power supply control method of the PSE device as recited in claim 1, wherein the PSE device further comprises a switching system power supply for supplying power to the switching module, and the switching system power supply supplies power to the switching module through a power conversion module.
7. The power supply control device of the PSE equipment is characterized in that the PSE equipment comprises a control module, a switching module and a PSE module; the switching module is connected with the control module, and the control module is connected with the PSE module;
the power supply control device is arranged inside the control module and comprises:
the information acquisition unit is used for acquiring power supply control information fed back by the switching module before the switching module is restarted or fails when the switching module is in a restarting or failure state; the restarting comprises restarting when power is re-powered on and restarting under the condition of no power failure;
the power supply control unit is used for controlling the PSE module to supply power to the outside according to the power supply control information; the switching module and the PSE module respectively adopt independent power supplies.
8. The PSE equipment is characterized by comprising a control module, a switching module and a PSE module; the switching module is connected with the control module, and the control module is connected with the PSE module;
the control module is used for executing the following steps:
when the switching module is in a restarting or fault state, power supply control information fed back by the switching module before restarting or fault occurs is acquired; the restarting comprises restarting when power is re-powered on and restarting under the condition of no power failure;
controlling the PSE module to supply power to the outside according to the power supply control information; the switching module and the PSE module respectively adopt independent power supplies.
9. The PSE device of claim 8, wherein the control module is further configured to, before the switching module is restarted or failed, after receiving power supply control information fed back by the switching module:
and when the content of the power supply control information is judged to be inconsistent with the content stored in advance, updating the content stored in advance to the content of the power supply control information.
10. A power over ethernet system comprising a powered device and a PSE device as claimed in claim 8 or 9.
CN202111485798.XA 2021-12-07 2021-12-07 Power supply control method and device of PSE (Power sourcing equipment) equipment, PSE equipment and power supply system Active CN114401156B (en)

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