CN107257286A - A kind of verification expression POE electric power systems, method and control system - Google Patents
A kind of verification expression POE electric power systems, method and control system Download PDFInfo
- Publication number
- CN107257286A CN107257286A CN201710357795.5A CN201710357795A CN107257286A CN 107257286 A CN107257286 A CN 107257286A CN 201710357795 A CN201710357795 A CN 201710357795A CN 107257286 A CN107257286 A CN 107257286A
- Authority
- CN
- China
- Prior art keywords
- end equipment
- receiving end
- power supply
- power
- poe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of verification expression POE electric power systems, method and control system need not verify the problem of receiving end equipment is easily caused equipment exchange and stealing electricity to solve prior art.The system is made up of power supply end equipment and receiving end equipment；The power supply end equipment includes：Feeder ear switch controller, for detecting the power grade of receiving end equipment and the switch of power supply being opened to receiving end equipment；Single-chip microcomputer, is connected with the feeder ear switch controller, for judging whether the receiving end equipment matches with the power supply end equipment；The receiving end equipment includes：POE electric power detecting modules, the power grade for feeding back receiving end equipment；Memory module, is connected with the POE electric power detectings module, for storing checking information.Powered using the POE of verification expression, prevent equipment from exchanging the possibility with stealing electricity.
Description
Technical field
Powered field, more particularly to a kind of verification expression POE electric power systems, method and control system the present invention relates to POE.
Background technology
POE is that a kind of utilization netting twine transmits data to rear end equipment and while the technology powered, makes receiving end equipment (referred to as
PD) need not be additionally provided power can just work, as shown in figure 1, power supply end equipment (abbreviation PSE) is originally used for 4 couple of transmission
The wherein two pairs voltage in the additional 48V in net mouth transformer rear end of line is realized and distal end PD is powered.
In present POE applications, after the receiving end equipment of end is connected with power supply end equipment by netting twine, end equipment of powering
Begin to power to receiving end equipment after power grade by detecting receiving end equipment.
The drawbacks of aforesaid way, is, as long as the descending network interface intervening equipment of POE interchangers can receive the receiving end of power supply
Equipment will be powered from power supply end equipment.
In some applications, the possibility of power stealing occurs in user.Using band by Electricity Functional for example in domestic consumer
Specific wireless is route, and the POE exchange opportunities of telecommunications provide broadband while power supply by way of POE to backend user, and
This wireless routing falls within telecommunications specifically, convenient management.
But if user is simultaneously not used the wireless routing of telecommunications offer and changes another band by Electricity Functional without circuit
By this wireless routing inconvenience telecommunications is managed for configuration, then now the POE interchangers of telecommunications still provide a user PE and powered
It is exactly a kind of energy dissipation, but also cannot get support of the user to the specific wireless routing of telecommunications.
Publication No. CN105357017A patent provides a kind of system and method for stable POE supply voltages.Using
In based on POE technologies, regulation Power Source Equipment to the supply voltage of terminal power receiving equipment, detecting receiving voltage module with it is described
Being connected by electric module in terminal power receiving equipment, by the voltage of electric module described in detecting real-time, produces detecting data；Power receiving equipment
CPU is connected with the detecting receiving voltage module, is exported after handling the detecting data；Power supply unit CPU with it is described
Power receiving equipment CPU connections, the detecting data after reception processing, and the detecting data after the processing is further located
Reason, produces control signal；Power supply of the feedback regulation module respectively with the power supply unit CPU, Power Source Equipment is connected,
The supply voltage of the power supply is adjusted according to the control signal.The invention utilizes defeated by CPU regulation voltages
Go out.No matter whether receiving end equipment, which matches, can be carried out power supply, be easily caused the problem of more exchange device or power stealing.
The content of the invention
The technical problem to be solved in the present invention purpose is to provide a kind of verification expression POE electric power systems, method and control system
System, the problem of receiving end equipment is easily caused equipment exchange and stealing electricity need not be verified to solve prior art.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of verification expression POE electric power systems, are made up of power supply end equipment and receiving end equipment；
The power supply end equipment includes：
Feeder ear switch controller, powers for detecting the power grade of receiving end equipment and being opened to receiving end equipment
Switch；
Single-chip microcomputer, is connected with the feeder ear switch controller, for judging whether the receiving end equipment supplies with described
Electric end equipment matching；
The receiving end equipment includes：
POE electric power detecting modules, the power grade for feeding back receiving end equipment；
Memory module, is connected with the POE electric power detectings module, for storing checking information.
Further, the power supply end equipment is connected with the receiving end equipment by netting twine.
Further, the power supply end equipment also includes：
Feeder ear power module, connects the feeder ear switch controller, for providing POE power supplys.
Further, the receiving end equipment also includes：
By electric module, it is connected with the POE electric power detectings module, for receiving the power supply of the power supply end equipment transmission simultaneously
It is converted into required voltage.
Further, the single-chip microcomputer is specifically for reading the checking information of the memory module and judging that the checking is believed
Whether breath matches with presupposed information.
Further, the single-chip microcomputer is additionally operable to when the checking information and the presupposed information that detect the memory module
During matching, the feeder ear switch controller is opened.
A kind of verification expression POE method of supplying power to, including step：
Read the checking information of the receiving end equipment storage；
Judge whether the checking information matches with presupposed information, if so, opening the power switch of the power supply end equipment；
Otherwise, the power switch of the power supply end equipment is closed.
Further, in addition to step：
Judge whether receiving end equipment has by Electricity Functional, if so, obtaining the power grade of the receiving end equipment；It is no
Then, stop power supply.
A kind of verification expression POE electric power supply control systems, including：
Read module, the checking information for reading the receiving end equipment storage；
Control module, for judging whether the checking information matches with presupposed information, sets if so, opening the feeder ear
Standby power switch；Otherwise, the power switch of the power supply end equipment is closed.
Further, in addition to：
Judge module, for judging whether receiving end equipment has by Electricity Functional, if so, obtaining the receiving end equipment
Power grade；Otherwise, stop power supply.
It is of the invention compared with traditional technology, have the following advantages：
The POE of verification expression powers, it is ensured that end receiving end equipment matches with power supply end equipment, prevents equipment from exchanging
With the possibility of stealing electricity.
Brief description of the drawings
Fig. 1 is POE power supply schematic diagrams；
Fig. 2 is the POE electrical schematics of prior art；
Fig. 3 is a kind of verification expression POE electric power system structure charts that embodiment one is provided；
Fig. 4 is a kind of verification expression POE method of supplying power to flow charts that embodiment two is provided；
Fig. 5 is a kind of verification expression POE electric power supply control system structure charts that embodiment two is provided；
Fig. 6 is a kind of verification expression POE method of supplying power to flow charts that embodiment three is provided；
Fig. 7 is a kind of verification expression POE electric power supply control system structure charts that embodiment three is provided.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
A kind of verification expression POE electric power systems are present embodiments provided, as shown in figure 3, being set by power supply end equipment and receiving end
Composition；
Power supply end equipment includes：
Feeder ear power module 11, for providing POE power supplys；
Feeder ear switch controller 12, is connected with feeder ear power module 11, power for detecting receiving end equipment etc.
Level and the switch that power supply is opened to receiving end equipment；
Single-chip microcomputer 13, is connected with feeder ear switch controller 12, for judge receiving end equipment whether with power supply end equipment
Matching；
Receiving end equipment includes：
POE electric power detectings module 21, the power grade for feeding back receiving end equipment；
Memory module 22, is connected with POE electric power detectings module 21, for storing checking information；
By electric module 23, it is connected with POE electric power detectings module 21, power supply and conversion for receiving power supply end equipment transmission
For required voltage.
POE refer to existing Ethernet Cat.5 wiring architecture do not make any changes in the case of, for some
While IP-based terminal (such as IP telephone machine, wireless local network connecting point AP, web camera) transmission data-signal, also
The technology of direct current supply can be provided for this kind equipment.
The POE electrical schematics of prior art are as shown in Figure 2.
The POE electric power systems of prior art are made up of power supply end equipment and receiving end equipment.
End equipment of powering includes feeder ear power module and feeder ear switch controller；Receiving end equipment includes POE power supplys
Detecting module and by electric module.
Existing power supply mode is the end switch control of powering after receiving end equipment is connected with power supply end equipment by netting twine
Device processed can detect the POE electric power detecting modules of receiving end equipment, when the equipment of feeder ear switch controller to the network interface other end is
Belong to after receiving end equipment power grade corresponding with it, feeder ear switch controller can open the switch of power supply circuit, allow confession
The power supply at electric end exports the receiving end equipment to the netting twine other end.
The power supply mode of prior art, it is only necessary to meet two conditions and can just produce POE and power.With power supply end equipment
And receiving end equipment.This mode no matter receiving end receiving end equipment whether be power end equipment accreditation equipment, receiving end
Equipment can obtain electric energy from power supply end equipment.This power supply mode can not power to POE and reasonably be managed.
The system difference from prior art that the present embodiment is provided is, has added one on feeder ear switch controller 12
Individual single-chip microcomputer 13, memory module 22 is added in POE electric power detectings module 21.
The single-chip microcomputer 13 of power supply end equipment needs to verify that the receiving end equipment whether end receiving end equipment permits just can be right
End-equipment is powered.
In the present embodiment, power supply end equipment is connected with receiving end equipment by netting twine.
The feeder ear switch controller 12 for end equipment of powering and the network interface connection of power supply end equipment, the POE of receiving end equipment
The network interface connection of electric power detecting module 22 and receiving end equipment.
In the present embodiment, power supply end equipment is by feeder ear power module 11, feeder ear switch controller 12 and single-chip microcomputer 13
Composition.
Single-chip microcomputer is connected on the connection feeder ear of feeder ear power-supply device 11 switch controller 12, feeder ear switch controller 12
13。
Feeder ear power-supply device 11 is to be converted to the POE power supplys that rear end receiving end equipment needs.
Specifically, feeder ear power-supply device 11 sends detecting carrier wave to the POE electric power detectings module 21 of receiving end equipment,
The power conditions that receiving end equipment needs are fed back to power supply end equipment by POE electric power detectings module 21, if receiving end equipment
Feeder ear switch controller 12 is used to the power grade for detecting receiving end equipment and opened to receiving end equipment supply
The switch of electricity.
Specifically, detecting carrier wave to the receiving end that the transmission feeder ear of feeder ear switch controller 12 power-supply device 11 is sent is set
It is standby.If receiving end equipment feedack meets the requirement of power supply end equipment, feeder ear switch controller opens controlling switch.
Single-chip microcomputer 13 is used to judge whether receiving end equipment matches with power supply end equipment.
Single-chip microcomputer is a kind of IC chip, is with data-handling capacity using very large scale integration technology
Central processor CPU, random access memory ram, read only memory ROM, a variety of I/O mouthfuls and interrupt system, timer/counter
Etc. function (may also include the circuits such as display driver circuit, pulse-width modulation circuit, analog multiplexer, A/D converter) collection
Into to the small and perfect microcomputer system constituted on one piece of silicon chip.
Specifically, the connection feeder ear of single-chip microcomputer 13 switch controller 12, the checking information specifically for reading memory module
And judge whether checking information matches with presupposed information；When the checking information for detecting memory module is matched with presupposed information,
Open feeder ear facility switching controller.
Single-chip microcomputer 13 itself stores presupposed information, and the single-chip microcomputer 13 to power supply end equipment is programmed, and is allowed in power supply end switch
Controller 12, which has been detected, reads depositing for the memory module 22 of carry in POE electric power detectings module 21 after POE electric power detectings module 21
Store up information.
In the present embodiment, receiving end equipment is constituted by POE electric power detectings module 21, memory module 22 and by electric module 23.
The one end of POE electric power detectings module 21 connects memory module 22, and the other end is connected by electric module 23.
POE electric power detectings module 21 is used for the power grade for feeding back receiving end equipment.
Specifically, POE electric power detectings module obtains the detecting carrier wave from power supply end equipment, and feed back receiving end equipment
Information to end equipment of powering.Feedack includes whether receiving end equipment has by Electricity Functional and receiving end equipment correspondence
Power grade.
Memory module 22 is used to store checking information.
Specifically, memory module can be EEPROM.EEPROM, i.e. EEPROM -- after a kind of power down
The storage chip that data are not lost.EEPROM can wipe existing information on computers or on special equipment, reprogram.Typically
Used in plug and play.
The relevant information of receiving end equipment is stored in memory module 22.Described information can the match is successful with power supply end equipment.
Single-chip microcomputer 13 reads EEPROM by feeder ear switch controller 12 and the connection line of POE electric power detectings module 21
Storage information.
If the information for the EEPROM storages that single-chip microcomputer 13 is read is matched with the presupposed information of single-chip microcomputer 13, single-chip microcomputer 13 will be opened
The power switch of power supply end equipment is powered for rear end receiving end equipment；Otherwise, if single-chip microcomputer 13 finds to mismatch, single-chip microcomputer 13 will
The power switch of power supply end equipment is not opened, rear end receiving end equipment will not obtain the power supply from power supply end equipment.
It is used to receive the power supply of power supply end equipment transmission by electric module 23 and is converted into required voltage.
Specifically, the power conversion of acquisition is required voltage by receiving end equipment, phase is provided for backend application circuit
The voltage answered.
In the present embodiment, power supply end equipment needs to be matched with receiving end equipment, and the match is successful normally to be supplied
Electricity, prevents the possibility of equipment exchange and stealing electricity.
Embodiment two
A kind of verification expression POE method of supplying power to is present embodiments provided, as shown in figure 4, including step：
S41：Read the checking information of receiving end equipment storage；
S42：Judge whether checking information matches with presupposed information, if so, opening the power switch of power supply end equipment；It is no
Then, the power switch of power supply end equipment is closed.
No matter can receiving end equipment match existing POE power supply techniques, can be powered, be easily caused replacing and set
Standby or power stealing phenomenon is produced.
Power supply end equipment is first connected by the present embodiment with receiving end equipment by netting twine.
The method that the present embodiment is provided is, it is necessary to which the single-chip microcomputer powered in end module first detects the storage mould in receiving end module
Whether the presupposed information stored with single-chip microcomputer is matched the information that block is stored, if matching, is determined as receiving end equipment and feeder ear
Equipment can carry out normal power supply.Single-chip microcomputer opens the power switch of power supply end equipment, and receiving end equipment is obtained and set from feeder ear
The standby power supply provided.
Specifically, memory module can be EEPROM.
To the mcu programming of power supply end equipment, it is allowed to detect POE electric power detecting modules in feeder ear switch controller
The information of the EEPROM of carry on POE point member detecting modules is read afterwards；
Single-chip microcomputer to power supply end equipment stores a specific facility information, single-chip microcomputer detect information in EEPROM with
The information match that single-chip microcomputer is prestored, single-chip microcomputer will open feeder ear facility switching controller and be supplied to receiving end equipment
Electricity；
For the receiving end equipment that can be powered stores the correlation of receiving end equipment in the EEPROM of receiving end equipment
Information.The information matches with presupposed information in the single-chip microcomputer for end equipment of powering.
Only the match is successful, and power supply end equipment just can be powered, it is to avoid equipment exchange and power stealing possibility.To POE
Power supply is effectively managed.
The present embodiment additionally provides a kind of verification expression POE electric power supply control systems, as shown in figure 5, including：
Read module 51, the checking information for reading the storage of receiving end equipment；
Control module 52, for judging whether checking information matches with presupposed information, if so, opening the confession of power supply end equipment
Electric switch；Otherwise, the power switch of power supply end equipment is closed.
The power supply end equipment of the present embodiment is connected with receiving end equipment by netting twine.
The control system that the present embodiment is provided is used for the receiving end module for judging the monolithic machine testing in power supply end module
Whether the presupposed information stored with single-chip microcomputer is matched the information stored, if matching, is determined as that receiving end equipment is set with feeder ear
It is standby to carry out normal power supply.Single-chip microcomputer opens the power switch of power supply end equipment, and receiving end equipment is obtained from power supply end equipment
The power supply of offer.
Specifically, that receiving end equipment storage checking information is EEPROM.
Single-chip microcomputer has specific programming, is allowed to read after feeder ear switch controller has detected POE electric power detecting modules
Take the information of the EEPROM of carry on POE point member detecting modules；
Control module 52 is specifically for judging that single-chip microcomputer detects the letter that the information in EEPROM is prestored with single-chip microcomputer
Whether breath matches, and is powered if so, single-chip microcomputer will open feeder ear facility switching controller to receiving end equipment；
For the receiving end equipment that can be powered, the related letter of receiving end equipment is stored in the EEPROM of receiving end equipment
Breath.The information matches with presupposed information in the single-chip microcomputer for end equipment of powering.
The power supply end equipment and receiving end equipment of the control system only have that the match is successful, and power supply end equipment could be supplied
Electricity, it is to avoid equipment exchange and power stealing possibility.POE is powered and effectively managed.
Embodiment three
A kind of verification expression POE method of supplying power to is present embodiments provided, as shown in fig. 6, including step：
S61：Judge whether receiving end equipment has by Electricity Functional, if so, obtaining the power grade of receiving end equipment；It is no
Then, stop power supply；
S62：Read the checking information of receiving end equipment storage；
S63：Judge whether checking information matches with presupposed information, if so, opening the power switch of power supply end equipment；It is no
Then, the power switch of power supply end equipment is closed.
The present embodiment is with the difference of embodiment two, in addition to step S61.
Before whether checking power supply end equipment matches with receiving end equipment, first detect whether receiving end equipment has by electricity
Function.
Specifically, power supply end equipment sends detecting carrier wave, detecting carrier wave reaches receiving end equipment, receiving end equipment feedback letter
Breath extremely power supply end equipment.
The feedback information includes whether receiving end equipment has by Electricity Functional, the power grade of receiving end equipment.
If receiving end equipment has by Electricity Functional, and receiving end equipment is matched with power supply end equipment, power supply end equipment root
Power supply is sent to receiving end equipment according to the power grade of receiving end equipment.
The present embodiment additionally provides a kind of verification expression POE electric power supply control systems, as shown in fig. 7, comprises：
Judge module 71, for judging whether receiving end equipment has by Electricity Functional, if so, obtaining the work(of receiving end equipment
Rate grade；Otherwise, stop power supply；
Read module 72, the checking information for reading the storage of receiving end equipment；
Control module 73, for judging whether checking information matches with presupposed information, if so, opening the confession of power supply end equipment
Electric switch；Otherwise, the power switch of power supply end equipment is closed.
The present embodiment is with the difference of embodiment two, in addition to judge module 71.
Specifically, judge module 71 is used for end equipment transmission detecting carrier wave of powering, detecting carrier wave reaches receiving end equipment, by
Electric end equipment feedback information is to end equipment of powering.
The feedback information includes whether receiving end equipment has by Electricity Functional, the power grade of receiving end equipment.
If judge module 71, which detects receiving end equipment, to be had by Electricity Functional, and control module 73 detects receiving end and set
Standby to be matched with power supply end equipment, power supply end equipment sends power supply to receiving end according to the power grade of receiving end equipment and set
It is standby.
Compared with conventional art, the method and control system that this implementation is provided both had judged whether receiving end equipment has by electricity
Function judges whether receiving end equipment matches power supply end equipment again, it is to avoid the problem of exchange equipment and power stealing, and more conducively POE is supplied
Fulgurite is managed.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of verification expression POE electric power systems, it is characterised in that be made up of power supply end equipment and receiving end equipment；
The power supply end equipment includes：
Feeder ear switch controller, for detecting the power grade of the receiving end equipment and being opened to the receiving end equipment
The switch of power supply；
Single-chip microcomputer, is connected with the feeder ear switch controller, for judge the receiving end equipment whether with the feeder ear
Equipment is matched；
The receiving end equipment includes：
POE electric power detecting modules, the power grade for feeding back the receiving end equipment；
Memory module, is connected with the POE electric power detectings module, for storing checking information.
2. a kind of verification expression POE electric power systems according to claim 1, it is characterised in that the power supply end equipment and institute
Receiving end equipment is stated to be connected by netting twine.
3. a kind of verification expression POE electric power systems according to claim 1, it is characterised in that the power supply end equipment is also wrapped
Include：
Feeder ear power module, connects the feeder ear switch controller, for providing POE power supplys.
4. a kind of verification expression POE electric power systems according to claim 1, it is characterised in that the receiving end equipment is also wrapped
Include：
By electric module, it is connected with the POE electric power detectings module, power supply and conversion for receiving the power supply end equipment transmission
For required voltage.
5. a kind of verification expression POE electric power systems according to claim 1, it is characterised in that the single-chip microcomputer specifically for
Read the checking information of the memory module and judge whether the checking information matches with presupposed information.
6. a kind of verification expression POE electric power systems according to claim 5, it is characterised in that the single-chip microcomputer is additionally operable to work as
When the checking information for detecting the memory module is matched with the presupposed information, the feeder ear switch controller is opened.
7. a kind of verification expression POE method of supplying power to, it is characterised in that including step：
Read the checking information of the receiving end equipment storage；
Judge whether the checking information matches with presupposed information, if so, opening the power switch of the power supply end equipment；It is no
Then, the power switch of the power supply end equipment is closed.
8. a kind of verification expression POE method of supplying power to according to claim 7, it is characterised in that also including step：
Judge whether the receiving end equipment has by Electricity Functional, if so, obtaining the power grade of the receiving end equipment；It is no
Then, stop power supply.
9. a kind of verification expression POE electric power supply control systems, it is characterised in that including：
Read module, the checking information for reading the receiving end equipment storage；
Control module, for judging whether the checking information matches with presupposed information, if so, opening the power supply end equipment
Power switch；Otherwise, the power switch of the power supply end equipment is closed.
10. a kind of verification expression POE electric power supply control systems according to claim 9, it is characterised in that also include：
Judge module, for judging whether the receiving end equipment has by Electricity Functional, if so, obtaining the receiving end equipment
Power grade；Otherwise, stop power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357795.5A CN107257286A (en) | 2017-05-19 | 2017-05-19 | A kind of verification expression POE electric power systems, method and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357795.5A CN107257286A (en) | 2017-05-19 | 2017-05-19 | A kind of verification expression POE electric power systems, method and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107257286A true CN107257286A (en) | 2017-10-17 |
Family
ID=60028156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710357795.5A Pending CN107257286A (en) | 2017-05-19 | 2017-05-19 | A kind of verification expression POE electric power systems, method and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107257286A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136028A1 (en) * | 2007-05-08 | 2008-11-13 | Stmicroelectronics S.R.L. | Method of discrimination of a device as powerable through a lan line and device for estimating electric parameters of a lan line |
| CN102136915A (en) * | 2010-12-07 | 2011-07-27 | 华为技术有限公司 | Method and device for strengthening power over Ethernet (POE) security |
| CN103138946A (en) * | 2011-12-05 | 2013-06-05 | 中兴通讯股份有限公司 | Power over Ethernet (POE) power supply management method and POE power supply management device |
| CN105357017A (en) * | 2015-11-16 | 2016-02-24 | 上海斐讯数据通信技术有限公司 | System and method for stabilizing POE (power over Ethernet) power supply voltage |
-
2017
- 2017-05-19 CN CN201710357795.5A patent/CN107257286A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008136028A1 (en) * | 2007-05-08 | 2008-11-13 | Stmicroelectronics S.R.L. | Method of discrimination of a device as powerable through a lan line and device for estimating electric parameters of a lan line |
| CN102136915A (en) * | 2010-12-07 | 2011-07-27 | 华为技术有限公司 | Method and device for strengthening power over Ethernet (POE) security |
| CN103138946A (en) * | 2011-12-05 | 2013-06-05 | 中兴通讯股份有限公司 | Power over Ethernet (POE) power supply management method and POE power supply management device |
| CN105357017A (en) * | 2015-11-16 | 2016-02-24 | 上海斐讯数据通信技术有限公司 | System and method for stabilizing POE (power over Ethernet) power supply voltage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7831844B2 (en) | Integrated powered device connector in system for supplying power over communication link | |
| US7903809B2 (en) | Power management for serial-powered device connections | |
| US7492059B2 (en) | High power architecture for power over ethernet | |
| CN105357017B (en) | Stablize the system and method for POE supply voltages | |
| CN103944739B (en) | Intelligent POE electric supply systems and its efficient POE method for managing power supply | |
| CN104429020B (en) | The method and apparatus of the monitoring of power supply based on Ethernet | |
| US8892910B2 (en) | Method and system for providing dynamic power sharing to network devices | |
| US20130088084A1 (en) | Networklized DC Power System | |
| CN110113174B (en) | Ethernet power supply equipment | |
| CN201294536Y (en) | Ethernet power receiving equipment and Ethernet electric power system | |
| CN106100858A (en) | A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit | |
| CN213585806U (en) | Interface self-adaptation power supply circuit, device and PD equipment | |
| CN102170358B (en) | Backward feed equipment and power supply control method thereof | |
| US7872378B2 (en) | Power management system | |
| CN107342871A (en) | A kind of POE electric supply installations and method | |
| CN107135082A (en) | A kind of system and method powered jointly using two power supply end equipments | |
| CN203466837U (en) | Network camera power supply device | |
| CN102801535A (en) | Power supply transmission system for Ethernet network | |
| CN207490950U (en) | A kind of PoE turns USB power supply units | |
| CN104793544B (en) | Bidirectional power supply system in a kind of Ethernet POE | |
| CN106972936A (en) | A kind of system and method for adjustable POE supply voltages | |
| CN107257286A (en) | A kind of verification expression POE electric power systems, method and control system | |
| CN205490591U (en) | Network switching system with POE power adaption function | |
| CN204291007U (en) | A kind of electric power system Power over Ethernet device | |
| CN207218309U (en) | A kind of mobile phone shares the power-supply system of charging equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171017 |