CN102761422A - Cascaded Ethernet power supply system and Ethernet power supply method thereof - Google Patents
Cascaded Ethernet power supply system and Ethernet power supply method thereof Download PDFInfo
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Abstract
The invention provides a cascaded Ethernet power supply system and an Ethernet power supply method thereof, wherein the Ethernet power supply method comprises the following steps that: each PD (Power Device) is connected with PSE (Power Sourcing Equipment) to form a POE (Power On Ethernet) system by adopting a cascading type; a POE power supply module in the PSE device is started, and a POE control unit of a local end outputs a power supply power to each Ethernet interface; in a process of outputting the power supply power, each PD receives the power supply power output by a superior device through the Ethernet interface, firstly power is supplied for a load of the local end, and surplus power supply power is output to the next stage of PD through the Ethernet interface. According to the embodiment of the invention, the POE system is constructed by adopting the cascading type, on the premise of supplying power for multiple small-power-consumption PDs by the PSE device, port resources of the PSE device can be saved, a power supply line is simplified, and the power supply power out by the PSE device is reasonably and effectively utilized.
Description
Technical field
The present invention relates to the POE technical field, relate in particular to a kind of Ethernet electric supply system and POE method thereof of cascade.
Background technology
POE (Power on Ethernet; POE) refers under the situation that existing Ethernet category 5 twisted pair wiring architecture does not make any changes; When being some network-termination device transmission of data signals, kind equipment provides the technology of direct current supply for this reason.The POE technology can guarantee the normal operation of existing network when guaranteeing existing structure wiring safety; A complete POE system comprises feeder ear equipment (PSE; Power Sourcing Equipment) and receiving end equipment (PD, Power Device) two parts.PSE equipment is the equipment for the ethernet client power devices, also is the manager of whole POE POE process simultaneously.And PD equipment is the PSE load of accepting power supply; And the client device of POE system; Like IP phone, network security video camera; And many other ethernet devices such as palmtop PC (PDA) or charger for mobile phone (at present the power output of PSE equipment generally is 13W or 25W to the maximum, thereby the equipment that in fact any power is no more than 13W/25W can obtain corresponding electric power from the RJ45 socket).
Fig. 1 has provided a typical POE system framework, and is as shown in Figure 1, and a typical POE system comprises: PSE equipment and a plurality of PD equipment, PSE equipment further comprises POE power module, main control unit, POE control unit and Ethernet interface.The POE power module sends POE power state signal (like power supply type, output power of power supply information etc.) to the POE control unit, and sends power; Main control unit accomplishes that through POE supervisory communications passage external power setting, state to the POE control unit reads etc.; Limited Ethernet interface of POE control unit control can externally carry out the POE power supply; Power receiving equipment has a plurality of, interconnects through Ethernet cable and Ethernet interface respectively, to obtain the electric energy row data communication of going forward side by side.
Along with the application of data communications equipment such as the router that adopts the POE technology, switch more and more widely; PD equipment is also more and more; Yet the limited amount of the ethernet port on the PSE equipment, thereby, when PSE equipment is supplied power to the PD equipment of the low power consumption of a greater number simultaneously; So not only need take more port resource, and realize complex circuit.
Summary of the invention
The object of the present invention is to provide a kind of Ethernet electric supply system and method for supplying power to thereof of cascade, make PSE equipment to supply power to the power receiving equipment of a plurality of low power consumptions simultaneously through cascade system;
Another object of the present invention is to provide a kind of Ethernet electric supply system and method for supplying power to thereof of cascade, save the ethernet port resource on the PSE equipment, simplify supply line.
The objective of the invention is to realize through following technical scheme:
A kind of Ethernet electric supply system of cascade comprises PSE equipment and n PD equipment; Said PSE equipment comprises: POE power module, first main control unit, a POE control unit and at least one Ethernet interface; Said PSE power module is used for out-put supply power to the POE control unit; Said first main control unit is used for reading through external power setting and state that POE supervisory communications passage is accomplished the POE control unit; A said POE control unit is used to control limited Ethernet interface, and the qualification power that is provided with for each Ethernet interface according to main control unit is configured to the power of POE power module output on each Ethernet interface and exports;
Said n PD equipment is connected through cascade system with PSE equipment; And each PD equipment comprises the 2nd POE control unit, DC/DC converting unit, load and at least two Ethernet interfaces, is connected with next stage PD equipment with PSE equipment/upper level PD equipment respectively through Ethernet interface;
The 2nd POE control unit; Be used to control limited Ethernet interface; The power separated into two parts that local terminal is received; Is the electric of local terminal with a part of power wherein after through DC/DC converting unit conversion process, with another part power configuration to each Ethernet interface to export next stage PD equipment to.
Wherein, said PD equipment also comprises: second main control unit is used for reading through the external power setting and the state of POE supervisory communications passage completion to the 2nd POE control unit of local terminal.
Wherein, said n PD equipment is connected successively.
Wherein, said PSE equipment is switch or router.
A kind of POE method of cascade comprises step:
Adopt cascade system that each PD equipment and PSE equipment are connected to form the POE system;
Start the POE power module in the PSE equipment, the POE control unit out-put supply power of local terminal is to each Ethernet interface;
In the power output procedure, PD equipment at different levels receive the power that higher level equipment is exported through Ethernet interface, and at first utilizing it is the electric of local terminal, exports remaining power supply power to next stage PD equipment through Ethernet interface again.
Wherein, also comprise: before making up the POE system, according to the general supply power and the required power size of PD equipment of PSE equipment output, but the PD number of devices of definite cascade.
Wherein, the required power size general supply watt level that sum≤PSE equipment is exported of all PD equipment of said cascade.
Wherein, also comprise:, the qualification output power of power supply of each Ethernet interface of local terminal is set respectively in PSE equipment and each PD equipment end.
Compared with prior art, the embodiment of the invention has following beneficial effect:
The embodiment of the invention is improved PD equipment; Set up the POE control unit; Realize that in conjunction with existing Ethernet interface it utilizes received unnecessary power to carry out the function of POE for other equipment; And then adopt cascade system to make up the POE system; Realizing that PSE equipment be under the prerequisite of PD power devices of low power consumption of a greater number simultaneously, can also save the port resource of PSE equipment, the power of simplifying supply line, utilizing PSE equipment to export rationally and effectively.
Description of drawings
Fig. 1 is a traditional P OE electric power system Organization Chart.
Fig. 2 is a kind of POE electric power system Organization Chart that the embodiment of the invention provides.
Fig. 3 is the another kind of POE electric power system Organization Chart that the embodiment of the invention provides.
Fig. 4 is the principle assumption diagram of the PD equipment that provides of the embodiment of the invention.
Fig. 5 is the flow chart of the POE method of supplying power to that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Core concept of the present invention is: (receive electric demand when being merely 3 W ~ 4W) like the power consumption of RC panel to the PD equipment of the low power consumption of a greater number; Consider the reality of the port resource finite sum power output bigger (being generally 13W/25W) of PSE equipment; The present invention adopts cascade system to supply power; The concrete application as shown in Figures 2 and 3; A plurality of PD devices in series also are connected with an Ethernet interface of PSE equipment through a PD equipment, and PSE equipment output earlier is more high-power to first PD equipment, exports unnecessary power to connected next PD equipment when first this power of PD equipment utilization is electric; Thereby be this PD power devices; By that analogy, thereby realize that PSE equipment can be a plurality of PD power devices through an ethernet port simultaneously, but the PD amount of equipment of cascade can be confirmed according to the power demand of each PD equipment and the gross output of PSE equipment.
To shown in Figure 4, in the present embodiment, the POE system comprises a PSE equipment and a plurality of PD equipment in conjunction with Fig. 2.The connected mode of PSE equipment and PD equipment is not limited to illustrated in figures 1 and 2, can confirm according to ethernet port quantity on the PD equipment and user's particular requirement in the actual application, but realize that principle is in full accord.
PSE equipment comprises POE power module, POE control unit, main control unit and a plurality of Ethernet interface.
Wherein, the POE power module is used for power is outputed to the POE control unit.
Main control unit is used for accomplishing that through POE supervisory communications passage external power setting, state to the POE control unit reads etc.
The POE control unit; Be used to control limited Ethernet interface; According to the qualification power of main control unit for each Ethernet interface setting; The power of POE power module output is configured on each Ethernet interface, thereby the power of setting is exported on the PD equipment that is connected with this Ethernet interface through Ethernet interface.
PD equipment comprises main control unit, POE control unit, DC/DC converting unit, load and at least two Ethernet interfaces.
Wherein, an Ethernet interface is connected with the Ethernet interface of PSE equipment or other PD equipment, receives the power signal of PSE equipment/other PD equipment outputs, and this power signal is sent to the POE control unit.
Main control unit is used for accomplishing that through POE supervisory communications passage external power setting, state to the POE control unit reads etc.
The POE control unit; Be used to control limited Ethernet interface; The power separated into two parts that Ethernet interface is received be the electric in this equipment with a part of power wherein after through DC/DC converting unit conversion process, according to the main control unit of local terminal for the qualification power of each Ethernet interface setting with another part power configuration to each Ethernet interface; Thereby export unnecessary power, for other PD equipment are supplied power.
See also shown in Figure 5ly, the method for supplying power to of above-mentioned POE system may further comprise the steps:
501, big or small according to the general supply power and the required power of PD equipment of the output of PSE equipment, but the PD number of devices of definite cascade.
Particularly, the PD number of devices of cascade will satisfy following requirement:
The general supply watt level of power size sum≤PSE equipment output that all PD equipment are required.
502,, adopt cascade system that each PD equipment and PSE equipment are connected to form the POE system according to present case.
In the framework process; Can each PD equipment series connection successively as shown in Figure 2 back be connected with an Ethernet interface of PSE equipment; Also can adopt connected mode as shown in Figure 3; Also can adopt other connected modes, specifically unrestricted, as long as can save the port resource of shared PSE equipment.Following process will be that example describes with the framework of Fig. 2.
503,, the qualification output power of power supply of each Ethernet interface of local terminal is set through main control unit respectively in PSE equipment and each PD equipment end.
504, the power module in the PSE equipment starts; With the POE control unit that self type and operating state is sent to local terminal, the specific power of the qualification output power of power supply output that the POE control unit is set according to the main control unit of local terminal is to each Ethernet interface.
505, the first order PD equipment that is connected with PSE equipment receives the power of PSE equipment output, and at first utilizing it is the electric of local terminal, exports remaining power to second level PD equipment; The second season PD equipment and PD equipment afterwards by that analogy, all satisfy the power demands of self earlier, export unnecessary power to next stage again.
So far, accomplish the power supply process of all PD equipment.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the Ethernet electric supply system of a cascade comprises PSE equipment and n PD equipment; Said PSE equipment comprises: POE power module, first main control unit, a POE control unit and at least one Ethernet interface; Said PSE power module is used for out-put supply power to the POE control unit; Said first main control unit is used for reading through external power setting and state that POE supervisory communications passage is accomplished the POE control unit; A said POE control unit is used to control limited Ethernet interface, and the qualification power that is provided with for each Ethernet interface according to main control unit is configured to the power of POE power module output on each Ethernet interface and exports; It is characterized in that,
Said n PD equipment is connected through cascade system with PSE equipment; And each PD equipment comprises the 2nd POE control unit, DC/DC converting unit, load and at least two Ethernet interfaces, is connected with next stage PD equipment with PSE equipment/upper level PD equipment respectively through Ethernet interface;
The 2nd POE control unit; Be used to control limited Ethernet interface; The power separated into two parts that local terminal is received; Is the electric of local terminal with a part of power wherein after through DC/DC converting unit conversion process, with another part power configuration to each Ethernet interface to export next stage PD equipment to.
2. the Ethernet electric supply system of cascade according to claim 1; It is characterized in that; Said PD equipment also comprises: second main control unit is used for reading through the external power setting and the state of POE supervisory communications passage completion to the 2nd POE control unit of local terminal.
3. the Ethernet electric supply system of cascade according to claim 1 or claim 2 is characterized in that said n PD equipment is connected successively.
4. the Ethernet electric supply system of cascade according to claim 1 or claim 2 is characterized in that said PSE equipment is switch or router.
5. the POE method of a cascade is characterized in that the method comprising the steps of:
Adopt cascade system that each PD equipment and PSE equipment are connected to form the POE system;
Start the POE power module in the PSE equipment, the POE control unit out-put supply power of local terminal is to each Ethernet interface;
In the power output procedure, PD equipment at different levels receive the power that higher level equipment is exported through Ethernet interface, and at first utilizing it is the electric of local terminal, exports remaining power supply power to next stage PD equipment through Ethernet interface again.
6. like the POE method of the said cascade of claim 5, it is characterized in that this method also comprises: before making up the POE system, according to the general supply power and the required power size of PD equipment of PSE equipment output, but the PD number of devices of definite cascade.
7. like the POE method of the said cascade of claim 6, it is characterized in that the general supply watt level of power size sum≤PSE equipment output that all PD equipment of said cascade are required.
8. like the POE method of the said cascade of claim 5, it is characterized in that this method also comprises:, the qualification output power of power supply of each Ethernet interface of local terminal is set respectively in PSE equipment and each PD equipment end.
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| CN201210263179.0A CN102761422B (en) | 2012-07-27 | 2012-07-27 | A kind of power over ethernet electric power system of cascade and Power over Ethernet method thereof |
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| CN201210263179.0A CN102761422B (en) | 2012-07-27 | 2012-07-27 | A kind of power over ethernet electric power system of cascade and Power over Ethernet method thereof |
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| CN103856333A (en) * | 2012-12-03 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Ethernet device capable of indicating states and indication method |
| CN104518884A (en) * | 2013-10-01 | 2015-04-15 | 美国博通公司 | Selective Industrial Power-Over-Network Configuration and Operation |
| CN104821886A (en) * | 2014-01-30 | 2015-08-05 | 凌力尔特公司 | Method and system for supplying power via four wire pairs in Ethernet cable |
| CN105207785A (en) * | 2015-10-09 | 2015-12-30 | 浙江宇视科技有限公司 | PoE system |
| CN105610587A (en) * | 2016-03-17 | 2016-05-25 | 浙江宇视科技有限公司 | Power supply method and device |
| CN107566132A (en) * | 2013-04-17 | 2018-01-09 | 柏思科技有限公司 | For supplying and receiving the method and system of POE |
| WO2018059007A1 (en) * | 2016-09-30 | 2018-04-05 | 华为技术有限公司 | Power supplying method, device and system |
| CN107979474A (en) * | 2016-10-21 | 2018-05-01 | 华为技术有限公司 | The network equipment and method of supplying power to |
| CN108933671A (en) * | 2017-05-26 | 2018-12-04 | 华为技术有限公司 | Power supply management method, equipment and system |
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| CN103856333A (en) * | 2012-12-03 | 2014-06-11 | 鸿富锦精密工业（深圳）有限公司 | Ethernet device capable of indicating states and indication method |
| US10884466B2 (en) | 2013-04-17 | 2021-01-05 | Pismo Labs Technology Limited | Methods and systems for supplying and receiving power over ethernet |
| CN107566132A (en) * | 2013-04-17 | 2018-01-09 | 柏思科技有限公司 | For supplying and receiving the method and system of POE |
| CN104518884A (en) * | 2013-10-01 | 2015-04-15 | 美国博通公司 | Selective Industrial Power-Over-Network Configuration and Operation |
| CN104821886B (en) * | 2014-01-30 | 2018-08-03 | 凌力尔特公司 | For the method and system via four lines in Ethernet cable to supply electric power |
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| CN105207785A (en) * | 2015-10-09 | 2015-12-30 | 浙江宇视科技有限公司 | PoE system |
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| CN108933671B (en) * | 2017-05-26 | 2021-06-01 | 华为技术有限公司 | Power supply management method, equipment and system |
| US11265179B2 (en) | 2017-05-26 | 2022-03-01 | Huawei Technologies Co., Ltd. | Power supply management method, device, and system |
| CN108933671A (en) * | 2017-05-26 | 2018-12-04 | 华为技术有限公司 | Power supply management method, equipment and system |
| CN110602821A (en) * | 2019-08-19 | 2019-12-20 | 广州市雅江光电设备有限公司 | POE power supply-based light control system, method and storage medium |
| CN110602821B (en) * | 2019-08-19 | 2022-03-22 | 广州市雅江光电设备有限公司 | POE power supply-based light control system, method and storage medium |
| CN110493015A (en) * | 2019-08-20 | 2019-11-22 | 广州市雅江光电设备有限公司 | A kind of POE signal converting equipment and its signal converting method |
| CN110493015B (en) * | 2019-08-20 | 2024-04-09 | 广州市雅江光电设备有限公司 | POE signal switching equipment and signal switching method thereof |
| CN110658408A (en) * | 2019-10-14 | 2020-01-07 | 深圳供电局有限公司 | Test terminal platform and test system of transformer substation safety automatic device |
| CN110658408B (en) * | 2019-10-14 | 2021-12-07 | 深圳供电局有限公司 | Test terminal platform and test system of transformer substation safety automatic device |
| CN113507381A (en) * | 2020-03-23 | 2021-10-15 | Abb瑞士股份有限公司 | On-site device |
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| CN112415925A (en) * | 2020-10-30 | 2021-02-26 | 南京工程学院 | Displacement sensor control circuit and displacement sensor |
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Denomination of invention: Cascaded Ethernet power supply system and Ethernet power supply method thereof Effective date of registration: 20160815 Granted publication date: 20150819 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen Tendzone Intelligent Technology Co., Ltd. Registration number: 2016990000708 |
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Address after: 2, 202-B building, C building, Hua Han Innovation Park, No. 16, Lang Shan Road, Guangdong, Shenzhen, Nanshan District 518000, China Patentee after: Shenzhen East micro smart Polytron Technologies Inc Address before: 518107, Hua Han Innovation Park office building, 16 Lang Shan Road, Shenzhen, Guangdong, Nanshan District D403 Patentee before: Shenzhen Tendzone Intelligent Technology Co., Ltd. |
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Date of cancellation: 20180330 Granted publication date: 20150819 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen East micro smart Polytron Technologies Inc Registration number: 2016990000708 |
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Change date: 20180330 Registration number: 2016990000708 Pledgor after: Shenzhen East micro smart Polytron Technologies Inc Pledgor before: Shenzhen Tendzone Intelligent Technology Co., Ltd. |
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Denomination of invention: Cascaded Ethernet power supply system and Ethernet power supply method thereof Effective date of registration: 20180330 Granted publication date: 20150819 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen East micro smart Polytron Technologies Inc Registration number: 2018990000254 |
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Address after: Room 401, Block D, Huahan Innovation Park, 16 Longshan Road, North District, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen East micro smart Polytron Technologies Inc Address before: 518000 202-B, 2 floor, block C, office building, Hua Han Innovation Park, 16 Langshan Road, Nanshan District, Shenzhen, Guangdong. Patentee before: Shenzhen East micro smart Polytron Technologies Inc |
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Date of cancellation: 20190806 Granted publication date: 20150819 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen East micro smart Polytron Technologies Inc Registration number: 2018990000254 |
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Denomination of invention: Cascaded Ethernet power supply system and Ethernet power supply method thereof Effective date of registration: 20190806 Granted publication date: 20150819 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen East micro smart Polytron Technologies Inc Registration number: Y2019990000017 |
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Date of cancellation: 20200611 Granted publication date: 20150819 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2019990000017 |
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Denomination of invention: Cascaded Ethernet power supply system and Ethernet power supply method thereof Effective date of registration: 20200616 Granted publication date: 20150819 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2020990000628 |
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Address after: 518000 R & D building 1601, block a, building 7, Wanke Yuncheng phase I, Xili community, Xili street, Nanshan District, Shenzhen City, Guangdong Province (16 / F, block a, building 1, international innovation Valley) Patentee after: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: Room 401, Block D, Huahan Innovation Park, 16 Longshan Road, North District, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee before: SHENZHEN TENDZONE INTELLIGENT TECHNOLOGY Co.,Ltd. |
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