CN203014835U - Ethernet power supply device - Google Patents
Ethernet power supply device Download PDFInfo
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- CN203014835U CN203014835U CN 201220743595 CN201220743595U CN203014835U CN 203014835 U CN203014835 U CN 203014835U CN 201220743595 CN201220743595 CN 201220743595 CN 201220743595 U CN201220743595 U CN 201220743595U CN 203014835 U CN203014835 U CN 203014835U
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- power supply
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Abstract
The utility model relates to an Ethernet power supply device. The Ethernet power supply device comprises a power supply control module, an output port module, a same type device connecting port module, an input port module and a power supply interface module. The power supply control module is used to supply power to a receiving end device via the output port module and carry out cooperative control and load balancing when a plurality of Ethernet power supply devices are connected in parallel for running; the output port module is connected with the receiving end device and sends the data and an electric energy power to the receiving end device via an Ethernet; the same type device connecting port module enables the same type Ethernet power supply devices to be connected in parallel via the Ethernet; the input port module is connected with a network exchange device which does not have an Ethernet power supply function, and the power supply interface module is connected with a mains supply. The output port module, the input port module, the same type device connecting port module and the power supply interface module are connected with the power supply control module separately. By applying the technical scheme of the utility model, the power supply efficiency can be improved. The same type Ethernet power supply devices can be connected in parallel for running, so that the 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 standard ethernet Double-strand transmission data.
International Electronic Engineering Association (IEEE) has ratified to be used for providing the 802.3af standard of supply of electric power on the standard ethernet cable in June, 2003.This standard definition a kind of permission transmit the method for DC power supply in the transmission of data by Ethernet, it can be safely and reliably the Power over Ethernet technology is introduced in existing network infrastructure and and original network equipment compatibility mutually, 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 increase gradually of new demand of standard.From 2005, IEEE entered on follow-on POE standard, and namely the 802.3at standard, generally be 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, is also 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 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 present 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 present 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 are connected 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:
Whether the Power over Ethernet device of judgement parallel connection is more than or equal to 2;
Fixed if the result is negative, skip this judgement and carry out next step;
If result is for affirming, 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 is 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, 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, make each output port module real output sum be 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, main parallel Operation Control module is according to receiving end device power sequencing, the power stage of forbidding the output port module that the equipment that powers at last is corresponding is until there is new Power over Ethernet device to add parallel running to make the actual power sum of each output port module be 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 present 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 description of the Prior Art, apparently, accompanying drawing in the following describes is only 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 present 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 present invention 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in 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 are connected 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
Whether the Power over Ethernet device of judgement parallel connection is more than or equal to 2;
Fixed if the result is negative, skip this judgement and carry out next step;
If result is for affirming, 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 is 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, 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, make each output port module real output sum be 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, main parallel Operation Control module is according to receiving end device power sequencing, the power stage of forbidding the output port module that the equipment that powers at last is corresponding is until there is new Power over Ethernet device to add parallel running to make the actual power sum of each output port module be not more than the power module power sum of each Power over Ethernet device.
Device embodiment described above is only schematic, wherein the unit as the separating component explanation can or can not be also physically to separate, the parts that show as the unit can be or can not be also physical locations, 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 computer-readable recording medium, 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., within all should being included in the protection range of this technical scheme.
Claims (2)
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 are connected 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220743595 CN203014835U (en) | 2012-12-31 | 2012-12-31 | Ethernet power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220743595 CN203014835U (en) | 2012-12-31 | 2012-12-31 | Ethernet power supply device |
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| Publication Number | Publication Date |
|---|---|
| CN203014835U true CN203014835U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220743595 Expired - Fee Related CN203014835U (en) | 2012-12-31 | 2012-12-31 | Ethernet power supply device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067183A (en) * | 2012-12-31 | 2013-04-24 | 惠州市博泰通讯设备有限公司 | Ethernet power supply device and method thereof |
| CN106410787A (en) * | 2016-09-29 | 2017-02-15 | 杭州鸿雁智能科技有限公司 | Power supply and receiving mode switching equipment |
-
2012
- 2012-12-31 CN CN 201220743595 patent/CN203014835U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067183A (en) * | 2012-12-31 | 2013-04-24 | 惠州市博泰通讯设备有限公司 | Ethernet power supply device and method thereof |
| CN106410787A (en) * | 2016-09-29 | 2017-02-15 | 杭州鸿雁智能科技有限公司 | Power supply and receiving mode switching equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20161231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |