CN103067183A - Ethernet power supply device and method thereof - Google Patents
Ethernet power supply device and method thereof Download PDFInfo
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- CN103067183A CN103067183A CN2012105886452A CN201210588645A CN103067183A CN 103067183 A CN103067183 A CN 103067183A CN 2012105886452 A CN2012105886452 A CN 2012105886452A CN 201210588645 A CN201210588645 A CN 201210588645A CN 103067183 A CN103067183 A CN 103067183A
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Abstract
The invention relates to the field of communication, in particular to an ethernet power supply device which comprises an output port module, an input port module, a connecting port module for devices with the same type, and a power source port module, wherein the output port module, the input port module, the connecting port module for the devices with the same type and the power source port module are respectively connected with a power source control module. The technical scheme is applied, and according to the change of number of receiving ends, electricity power output from a corresponding output port module is increased or decreased correspondingly, efficiency of power supply is improved, the ethernet power supply devices with the same type can operate in parallel, and an application mode of the ethernet power supply device is optimized.
Description
Technical field
The present invention relates to the communications field, particularly a kind of Power over Ethernet devices and methods therefor.
Background technology
Power over Ethernet (Power Over Ethernet, POE) is a kind ofly to transmit DC power supply to a kind of technology of power consumption equipment by Ethernet netting twine in the standard ethernet Double-strand transmission data.
International Electronic Engineering Association (IEEE) has ratified to be used for providing at the standard ethernet cable 802.3af standard of supply of electric power in June, 2003.This standard definition a kind of method that allows to transmit in the transmission of data by Ethernet DC power supply, it can be introduced the Power over Ethernet technology safely and reliably in the existing network infrastructure and be compatible mutually with original network equipment, and maximum can provide the power of about 13W.Thus, part mininet equipment such as IP phone, web camera, WAP (wireless access point) and data terminal are connected just can connect to power by Ethernet and need not to use AC Power supply socket, thereby greatly simplified wiring, reduced the construction cost of network infrastructure and will further expand the application of ethernet technology.
Because IEEE 802.3af is day by day ripe, chip market day hastens towards saturation, to the also gradually increase of new demand of standard.From 2005, IEEE entered on follow-on POE standard, and namely the 802.3at standard generally is referred to as POE+.IEEE 802.3at is demand that should high-power terminal and being born, and on the basis of compatible 802.3af, provides larger power demands, satisfies new demand.
Complete POE system generally includes feeder ear equipment (PSE, Power Sourcing Equipment) and receiving end equipment (PD, Powered Device) two parts.PSE equipment is the equipment for the ethernet client power devices, also is the manager of whole POE Power over Ethernet process simultaneously.And PD equipment is the PSE load of accepting power supply, it is the client device of POE system, both are based on the informational linkage of the aspects such as the connection of IEEE 802.3af or the relevant receiving end equipment of at normalization PD, device type, power consumption level, and the PSE that takes this as a foundation powers to PD by Ethernet.
Along with the development of POE power applications, power consumption equipment is also more and more higher to the power requirement that POE power supply provides, and power consumption equipment is also more and more, and the inventor finds that existing POE power supply technique has following defective according to the scrutinizing and verifying of prior art:
1, in the POE equipment that exists on the present market, can not carry out the modular parallel operation;
2, when the receiving end number of devices that connects the POE power supply unit changes, existing POE power supply unit can't fast increase and decrease according to carrying out modularization, when receiving end equipment is too much, need to stop the power supply to the lower receiving end equipment of priority, affect the normal use of power consumption equipment, power supplying efficiency is comparatively low;
3, when a plurality of POE equipment independent operating, the power between each power stage mouth can not be exported according to the dynamic allotment that the variation of power consumption equipment is unified, and has caused the use of POE equipment to lack flexibility.
Summary of the invention
The embodiment of the invention the first purpose is to provide a kind of Power over Ethernet device, using this technical scheme can be according to the variation of receiving end quantity generation, the electric energy power power of the corresponding output port module output of corresponding increase and decrease, improved the efficient of power supply, and can also parallel running in Power over Ethernet device of the same type, optimized the application mode of Power over Ethernet device.
The embodiment of the invention the second purpose is to provide a kind of method of Power over Ethernet, using this technical scheme can be according to the variation of receiving end quantity generation, the electric energy power power of the corresponding output port module output of corresponding increase and decrease, improved the efficient of power supply, and can also parallel running in Power over Ethernet device of the same type, optimized the application mode of Power over Ethernet device.
A kind of Power over Ethernet device comprises:
Energy supply control module is used for providing electric power by the output port module for receiving end equipment, and carries out Collaborative Control and load balancing when a plurality of Power over Ethernet device parallel running;
The output port module is used for and the receiving end equipment connection, and data and electric energy power are sent to receiving end equipment by Ethernet;
Device of the same type connectivity port module is used for by Ethernet Power over Ethernet device of the same type being connected in parallel;
Input port module is used for being connected with the network switching equipment without the Ethernet function of supplying power;
Power supply interface module is used for being connected to mains supply;
Described output port module, input port module, device of the same type connectivity port module, power supply interface module link to each other with described energy supply control module respectively.
Preferably, concrete, described energy supply control module comprises:
Power module is used to the output port module that the electric energy power of Power over Ethernet is provided;
The parallel Operation Control module is used for carrying out Collaborative Control when plural Power over Ethernet device parallel running;
Power control module according to the power demand of receiving end equipment to the output port module, is controlled the power output of output port module.
A kind of method of Power over Ethernet, step comprises:
The parallel Operation Control module arranges the power limitation of each output port module;
Read the power demand of the receiving end equipment that is connected to each output port module;
Power control module is according to described power limited and described power demand, with the power configuration of power module to each output port module.
Better, in step: the parallel Operation Control module arranges the power limitation of each output port module; Also comprise step before:
Judge that whether Power over Ethernet device in parallel be more than or equal to 2;
Fixed if the result is negative, then skip this judgement and carry out next step;
If the result is for affirming, then select the parallel Operation Control module of any Power over Ethernet device as main control module, the Parallel Control operation module of remaining Power over Ethernet device is as slave module, described main control module is according to the power demand of the receiving end equipment of output port module feedback, to the power limited collaborative configuration of unifying of the output port module of all Power over Ethernet devices, and power configuration information sent to each subordinate Parallel Control operation module.
Better, step: power control module after each output port module, is specially the power configuration of power module,
Power control module detects the real output that is positioned at each output port module of device;
If each output port module real output sum of individual ethernet electric supply installation is greater than the power output of its power module, then main parallel Operation Control module is configured the power of each parallel running Power over Ethernet device again, reduce the power configuration of the little electric supply installation of real output demand, increase the power configuration of the large electric supply installation of real output demand, so that each output port module real output sum is not more than the power output of its power module;
Main parallel Operation Control module records connects corresponding output port module receiving end device power sequencing;
If the actual power sum of each output port module is during greater than the power module power sum of each Power over Ethernet device, then main parallel Operation Control module is according to receiving end device power sequencing, forbid the power stage of the output port module that the equipment that powers at last is corresponding, until there is new Power over Ethernet device to add parallel running so that the actual power sum of each output port module is not more than the power module power sum of each Power over Ethernet device.
Therefore, use the present embodiment technical scheme, can be according to the variation of receiving end quantity generation, the electric energy power power of the corresponding output port module output of corresponding increase and decrease, improved the efficient of power supply, and can also parallel running in Power over Ethernet device of the same type, optimized the application mode of Power over Ethernet device.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structure chart of a kind of Power over Ethernet device that Fig. 1 provides for the embodiment of the invention 1;
The structure chart of the energy supply control module of a kind of Power over Ethernet device that Fig. 2 provides for the embodiment of the invention 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment 1:
As shown in Figure 1, the present embodiment provides a kind of Power over Ethernet device, comprising:
Energy supply control module 101 is used for providing electric power by output port module 102 for receiving end equipment, and carries out Collaborative Control and load balancing when a plurality of Power over Ethernet device parallel running;
Output port module 102 is used for and the receiving end equipment connection, and data and electric energy power are sent to receiving end equipment by Ethernet;
Device of the same type connectivity port module 104 is used for by Ethernet Power over Ethernet device of the same type being connected in parallel;
Input port module 103 is used for being connected with the network switching equipment without the Ethernet function of supplying power;
Power supply interface module 104 is used for being connected to mains supply;
Described output port module 102, input port module 103, device of the same type connectivity port module 104, power supply interface module 105 link to each other with energy supply control module 101 respectively.
Preferably, energy supply control module 101 comprises:
Power module 1013 is used to output port module 102 that the electric energy power of Power over Ethernet is provided;
Parallel Operation Control module 1011 is used for carrying out Collaborative Control when plural Power over Ethernet device parallel running;
Power control module 1012 according to the power demand of receiving end equipment to the output port module, is controlled the power output of output port module.
By above device, the present embodiment also provides a kind of method of Power over Ethernet, comprises
Judge that whether Power over Ethernet device in parallel be more than or equal to 2;
Fixed if the result is negative, then skip this judgement and carry out next step;
If the result is for affirming, then select the parallel Operation Control module of any Power over Ethernet device as main control module, the Parallel Control operation module of remaining Power over Ethernet device is as slave module, described main control module is according to the power demand of the receiving end equipment of output port module feedback, to the power limited collaborative configuration of unifying of the output port module of all Power over Ethernet devices, and power configuration information sent to each subordinate Parallel Control operation module;
The parallel Operation Control module arranges the power limitation of each output port module;
Read the power demand of the receiving end equipment that is connected to each output port module;
Power control module is according to described power limited and described power demand, with the power configuration of power module to each output port module.Concrete, each power control module detects the real output that is positioned at each output port module of device;
If each output port module real output sum of individual ethernet electric supply installation is greater than the power output of its power module, then main parallel Operation Control module is configured the power of each parallel running Power over Ethernet device again, reduce the power configuration of the little electric supply installation of real output demand, increase the power configuration of the large electric supply installation of real output demand, so that each output port module real output sum is not more than the power output of its power module;
Main parallel Operation Control module records connects corresponding output port module receiving end device power sequencing;
If the actual power sum of each output port module is during greater than the power module power sum of each Power over Ethernet device, then main parallel Operation Control module is according to receiving end device power sequencing, forbid the power stage of the output port module that the equipment that powers at last is corresponding, until there is new Power over Ethernet device to add parallel running so that the actual power sum of each output port module is not more than the power module power sum of each Power over Ethernet device.
Device embodiment described above only is schematic, wherein the unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of the present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation that do not pay performing creative labour.
Through the above description of the embodiments, those skilled in the art can be well understood to each execution mode and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware.Based on such understanding, the part that technique scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the computer-readable recording medium, such as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, perhaps network equipment etc.) carry out some Part Methods of each embodiment or embodiment.
Above execution mode does not consist of the restriction to this technical scheme protection range.Any at above-mentioned execution mode spirit and principle within do modification, be equal to and replace and improvement etc., all should be included within the protection range of this technical scheme.
Claims (5)
1. a Power over Ethernet device is characterized in that, comprising:
Energy supply control module is used for providing electric power by the output port module for receiving end equipment, and carries out Collaborative Control and load balancing when a plurality of Power over Ethernet device parallel running;
The output port module is used for and the receiving end equipment connection, and data and electric energy power are sent to receiving end equipment by Ethernet;
Device of the same type connectivity port module is used for by Ethernet Power over Ethernet device of the same type being connected in parallel;
Input port module is used for being connected with the network switching equipment without the Ethernet function of supplying power;
Power supply interface module is used for being connected to mains supply;
Described output port module, input port module, device of the same type connectivity port module, power supply interface module link to each other with described energy supply control module respectively.
2. a kind of Power over Ethernet device according to claim 1 is characterized in that:
Concrete, described energy supply control module comprises:
Power module is used to the output port module that the electric energy power of Power over Ethernet is provided;
The parallel Operation Control module is used for carrying out Collaborative Control when plural Power over Ethernet device parallel running;
Power control module according to the power demand of receiving end equipment to the output port module, is controlled the power output of output port module.
3. the method for a Power over Ethernet is characterized in that:
Step comprises:
The parallel Operation Control module arranges the power limitation of each output port module;
Read the power demand of the receiving end equipment that is connected to each output port module;
Power control module is according to described power limitation and described power demand, with the power configuration of power module to each output port module.
4. the method for a kind of Power over Ethernet according to claim 3 is characterized in that:
In step: the parallel Operation Control module arranges the power limitation of each output port module; Also comprise step before:
Judge that whether Power over Ethernet device in parallel be more than or equal to 2;
Fixed if the result is negative, then skip this judgement and carry out next step;
If the result is for affirming, then select the parallel Operation Control module of any Power over Ethernet device as main control module, the Parallel Control operation module of remaining Power over Ethernet device is as slave module, described main control module is according to the power demand of the receiving end equipment of output port module feedback, to the power limited collaborative configuration of unifying of the output port module of all Power over Ethernet devices, and power configuration information sent to each subordinate Parallel Control operation module.
5. the method for a kind of Power over Ethernet according to claim 4 is characterized in that:
Step: power control module after each output port module, is specially the power configuration of power module,
Power control module detects the real output that is positioned at each output port module of device;
If each output port module real output sum of individual ethernet electric supply installation is greater than the power output of its power module, then main parallel Operation Control module is configured the power of each parallel running Power over Ethernet device again, reduce the power configuration of the little electric supply installation of real output demand, increase the power configuration of the large electric supply installation of real output demand, so that each output port module real output sum is not more than the power output of its power module;
Main parallel Operation Control module records connects corresponding output port module receiving end device power sequencing;
If the actual power sum of each output port module is during greater than the power module power sum of each Power over Ethernet device, then main parallel Operation Control module is according to receiving end device power sequencing, forbid the power stage of the output port module that the equipment that powers at last is corresponding, until there is new Power over Ethernet device to add parallel running so that the actual power sum of each output port module is not more than the power module power sum of each Power over Ethernet device.
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| CN2012105886452A CN103067183A (en) | 2012-12-31 | 2012-12-31 | Ethernet power supply device and method thereof |
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| CN2012105886452A CN103067183A (en) | 2012-12-31 | 2012-12-31 | Ethernet power supply device and method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105763337A (en) * | 2016-03-29 | 2016-07-13 | 杭州华三通信技术有限公司 | Power supply method and device |
| CN109075980A (en) * | 2016-03-03 | 2018-12-21 | 莫列斯有限公司 | System and method for Power over Ethernet control |
| US11639776B2 (en) | 2016-02-15 | 2023-05-02 | Molex, Llc | Luminaire |
| US11909540B2 (en) | 2016-03-03 | 2024-02-20 | Molex, Llc | System and method for power over ethernet control |
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| CN101778460A (en) * | 2010-01-20 | 2010-07-14 | 华为技术有限公司 | Method and system for power receiving in Wireless Local Area Network (WLAN) and multiple input multiple output device |
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| CN203014835U (en) * | 2012-12-31 | 2013-06-19 | 惠州市博泰通讯设备有限公司 | Ethernet power supply device |
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| CN101778460A (en) * | 2010-01-20 | 2010-07-14 | 华为技术有限公司 | Method and system for power receiving in Wireless Local Area Network (WLAN) and multiple input multiple output device |
| US20120131372A1 (en) * | 2010-11-19 | 2012-05-24 | Buffalo Inc. | PoE POWER SOURCING EQUIPMENT AND POWER SUPPLYING METHOD |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11639776B2 (en) | 2016-02-15 | 2023-05-02 | Molex, Llc | Luminaire |
| CN109075980A (en) * | 2016-03-03 | 2018-12-21 | 莫列斯有限公司 | System and method for Power over Ethernet control |
| US11909540B2 (en) | 2016-03-03 | 2024-02-20 | Molex, Llc | System and method for power over ethernet control |
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Application publication date: 20130424 |