CN104038351A - Ethernet power supply device, Ethernet power supply subsystem and Ethernet power supply system - Google Patents
Ethernet power supply device, Ethernet power supply subsystem and Ethernet power supply system Download PDFInfo
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- CN104038351A CN104038351A CN201410290441.XA CN201410290441A CN104038351A CN 104038351 A CN104038351 A CN 104038351A CN 201410290441 A CN201410290441 A CN 201410290441A CN 104038351 A CN104038351 A CN 104038351A
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Abstract
The embodiment of the invention discloses an Ethernet power supply device. The Ethernet power supply device comprises a power wire Ethernet data receiving-transmitting module that complies with the power wire Ethernet protocol, and an Ethernet power supply module that is connected with the power wire Ethernet data receiving-transmitting module. The Ethernet power supply device decreases the wire arrangement cost of an Ethernet power supply system. The invention also discloses an Ethernet power supply subsystem and the Ethernet power supply system.
Description
Technical field
The present invention relates to Internet of Things communication technical field, more particularly, relate to a kind of Power over Ethernet equipment, Power over Ethernet subsystem and Power over Ethernet system.
Background technology
Internet of Things refers to disposes the information sensing equipment with certain perception, computing capability and executive capability in physical world, by the Internet, realize communication, collaborative and process, thereby meet the network of information exchange demand between people in wide scope and thing, thing and thing.
Aspect Internet Construction, because Power over Ethernet system can be supplied electric power by conventional Ethernet cable in transmission data, save the trouble of power wiring, thereby be subject to extensive high praise.But, if each information sensing equipment of crossing in area compare great hotel, airport or other communal facilitys is all connected into net with Ethernet cable, its high wiring expense will inevitably become the important restriction factor that described Power over Ethernet system transforms to practical application.
Summary of the invention
In view of this, the invention provides a kind of Power over Ethernet equipment, Power over Ethernet subsystem and Power over Ethernet system, to realize the wiring cost that reduces Power over Ethernet system.
A Power over Ethernet equipment, comprising: follow the power line Ethernet data transceiver module of power line Ethernet protocol, and the Power over Ethernet module being connected with described power line Ethernet data transceiver module.
Wherein, described Power over Ethernet module at least has one for connecting the Ethernet interface of Ethernet power receiving equipment.
Alternatively, described Power over Ethernet equipment also comprises: be connected in routing module or trunk module between described power line Ethernet data transceiver module and described Power over Ethernet module.
Alternatively, described Power over Ethernet equipment also comprises: the low-voltage direct output type power supply adaptor being connected with all modules in described Power over Ethernet equipment.
Wherein, described low-voltage direct output type power supply adaptor is that output voltage is the power supply adaptor of 3.3 volts of 5 volts of direct currents or direct currents.
A kind of Power over Ethernet subsystem, comprise: power line Ethernet Adaptation Unit, Ethernet power receiving equipment, Ethernet cable, and one end by power line be connected with described power line Ethernet Adaptation Unit, the other end is by described Ethernet cable and above-mentioned any Power over Ethernet equipment that described at least one, Ethernet power receiving equipment is connected.
Wherein, described Ethernet cable comprises that two difference send line and two differential received lines.
Wherein, described Power over Ethernet subsystem is followed ICP/IP protocol.
A Power over Ethernet system, comprising: router, and at least one above-mentioned any Power over Ethernet subsystem being connected with described router.
Wherein, described router and connecting or wireless connections by Ethernet cable between Power over Ethernet subsystem described in each.
From above-mentioned technical scheme, can find out, the present invention by inserting the power line Ethernet data transceiver module being connected with existing Power over Ethernet equipment in existing Power over Ethernet system, Ethernet cable connected mode in the region that power line can be able to be covered changes to power line connected mode, thereby by power line transmission Ethernet data; Now described Ethernet cable only needs to be erected at and between the region that region that power line can cover and power line cannot cover, serves as communication bridge and use, thereby the use length of greatly having saved Ethernet cable, reduced the wiring cost of Power over Ethernet system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed a kind of Power over Ethernet device structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the disclosed a kind of Power over Ethernet subsystem structure schematic diagram of the embodiment of the present invention;
Fig. 3 is the disclosed a kind of Power over Ethernet system configuration schematic diagram of the embodiment of the present invention.
Embodiment
Power over Ethernet be a kind of can be by conventional Ethernet cable transferring electric power and the technology of data thereof in Ethernet.In Power over Ethernet system, provide the equipment of power supply to be called Power over Ethernet equipment, use the equipment of power supply to be called Ethernet power receiving equipment, Ethernet cable is connected between described Power over Ethernet equipment and described Ethernet power receiving equipment, between described Power over Ethernet equipment and the external world, for realizing the conveying of electric power and the transmitting-receiving of data.
When based on Power over Ethernet system Construction Internet of Things, by utilizing Ethernet cable to connect into net each information sensing equipment in described Internet of Things (being described Ethernet power receiving equipment), can realize power supply and the networking of whole Internet of Things, thereby save the trouble of again setting up supply line; But along with the quick expansion that Internet of Things is crossed over area, purchase the great number consumption that Ethernet cable brings and do not allowed to ignore.
Based on this, the embodiment of the present invention has proposed a kind of Power over Ethernet equipment, Power over Ethernet subsystem and Power over Ethernet system, to realize the region that can cover at power line, by power line Ethernet transmission data, thereby save the use length of Ethernet cable, reduce the wiring cost of Power over Ethernet system.
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.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the invention discloses a kind of Power over Ethernet equipment, to realize the wiring cost that reduces Power over Ethernet system, comprise: follow the power line Ethernet data transceiver module 10 of power line Ethernet protocol, and the Power over Ethernet module 20 being connected with power line Ethernet data transceiver module 10.
In most of built buildings, supply socket almost spreads all over each corner in room, the international body in power line communication technology field---UPA (Universal Powerline Association, universal electric power line alliance), HomePlug (Home Plug PowerLine Alliance, socket power line alliance of family) etc. the concept of EoP (Ethernet over powerline transmits Ethernet data on power line) has successively been proposed especially.The core of described EoP technology is exactly the interregional employing power line transmission Ethernet data that the region that can cover at broadband network and broadband network cannot cover.When practical application, only need the power line Ethernet Adaptation Unit that one end is connected to broadband network to insert supply socket nearby, Ethernet data can be loaded into or isolate power line, wherein dispose the power line network of power line Ethernet Adaptation Unit, can be referred to as power line Ethernet.
The power line Ethernet data transceiver module 10 of following power line Ethernet protocol described in the present embodiment is a kind ofly can be integrated in device interior, possess the module that Ethernet data is loaded into/isolates power line function.The present embodiment, by existing Power over Ethernet equipment (being Power over Ethernet module 20) is connected with this power line Ethernet data transceiver module 10, has integrated a kind of novel Power over Ethernet equipment jointly; Described Power over Ethernet equipment one end is connected with Ethernet power receiving equipment by Ethernet cable, and one end is through power line Ethernet accessing to wide band network, thereby foundation has obtained a kind of Power over Ethernet system of combined power line ethernet technology.
This Power over Ethernet system is utilized EoP technology, and the Ethernet cable connected mode in the region that broadband network can be covered changes to power line connected mode and still continues to use Ethernet cable connected mode in region that broadband network can not cover; Now, Ethernet cable is no longer between each Ethernet power receiving equipment being connected in whole Power over Ethernet system, but only need to be erected at, between the region that region that broadband network can cover and broadband network cannot cover, serve as communication bridge and use, thereby the use length of greatly having saved Ethernet cable, reduced the wiring cost of Power over Ethernet system.
Wherein, as preferably, Power over Ethernet module 20 described in the present embodiment at least has one for connecting the Ethernet interface 21 of Ethernet power receiving equipment, to guarantee that Power over Ethernet module 20 can simultaneously carry out electric power transfer and data interaction with at least one Ethernet power receiving equipment.RJ45 interface is wherein conventional Ethernet interface.
In addition, the disclosed Power over Ethernet equipment of the present embodiment also can comprise: be connected in the routing module 30 between power line Ethernet data transceiver module 10 and Power over Ethernet module 20.Routing module 30 is for automatically selecting and set route according to the situation of channel, with optimal path, sequentially send data by front and back.
In addition, the disclosed Power over Ethernet equipment of the present embodiment also can comprise: be connected in the trunk module (Fig. 1 is not shown) between power line Ethernet data transceiver module 10 and Power over Ethernet module 20.Trunk module, by the resending or forwarding of data, expands the distance of Internet Transmission.
In addition, the disclosed Power over Ethernet equipment of the present embodiment also can comprise: the low-voltage direct output type power supply adaptor 40 being connected with modules in described Power over Ethernet equipment.
Power supply adaptor is a kind of power supply conversion equipment being comprised of power transformer and rectification circuit etc., by its output type, can be divided into and exchange output type and direct current output type.What consider that the existing Power over Ethernet system based on IEEE802.3af and IEEE802.3at agreement transmits in Ethernet cable is the direct current of 48 volts, and its efficiency of energy utilization is lower; And along with the progress of semiconductor technology, low-power consumption Ethernet power receiving equipment will become main flow, so the present embodiment preferred lower pressure direct current output type power supply adaptor 40 is as the power supply conversion equipment of described Power over Ethernet equipment.Certainly, can be directly also described Power over Ethernet equipment configuration low-voltage dc power supply, do not limit to.
Wherein, the preferred output voltage of low-voltage direct output type power supply adaptor 40 is the power supply adaptor of 3.3 volts of 5 volts of direct currents or direct currents.The preferred output voltage of described low-voltage dc power supply is the power supply of 3.3 volts of 5 volts of direct currents or direct currents.
Based on technique scheme, the present embodiment also discloses a kind of Power over Ethernet subsystem, referring to Fig. 2, comprise: power line Ethernet Adaptation Unit PEA, Ethernet powered device PD, Ethernet cable L1, and one end is by above-mentioned any Power over Ethernet equipment PSE that power line L2 is connected with power line Ethernet Adaptation Unit PEA, the other end is connected with at least one Ethernet powered device PD by Ethernet cable L1.
Wherein, Ethernet cable L1 can select and comprise that two difference send line, two differential received lines, two power supply difference high level and two low level standard 5 class lines of power supply difference, also can select and only comprise that two difference send the simplification Ethernet cable of line and two differential received lines.For reducing costs, concrete approximately 100 meters of selected practical application length, characteristic impedance can be transmitted 100 milliamperes of galvanic simplification Ethernet cables lower than 0.1 ohm/meter, maximum.
Wherein, as preferably, described Power over Ethernet subsystem is followed ICP/IP protocol, to realize IP address-based reliable communication; That is, power line Ethernet, broadband network in described Power over Ethernet subsystem are all followed identical agreement, save the trouble of protocol conversion, and the ICP/IP protocol of preferred main flow.
Corresponding, Ethernet powered device PD is provided with and RJ45 interface, power management module, ethernet communication physical layer block, ICP/IP protocol module and other functional modules etc.Wherein, described power management module absorbs the voltage and current in Ethernet cable L1, and is translated into the direct current supply output of Ethernet power receiving equipment PSE this locality, and all modules of supplying with in Ethernet powered device PD are used; Ethernet powered device PD and the extraneous data message exchanging, need to or resolve to the data that meet ICP/IP protocol by described ICP/IP protocol module packing, then send to/be received from Ethernet cable L1 via described ethernet physical layer module, RJ45 module.
Based on technique scheme, the present embodiment also discloses a kind of Power over Ethernet system, referring to Fig. 3, comprise: router two 00, and at least one above-mentioned any Power over Ethernet subsystem 100 being connected with router two 00, to realize the network Connection Sharing between each Power over Ethernet subsystem 100.
Wherein, between router two 00 and each Power over Ethernet subsystem 100, by Ethernet cable, connect or wireless connections, and the preferred Wi-Fi of described wireless connections (Wireless Fidelity, Wireless Fidelity) connects.
Concrete, support the Ethernet powered device PD of ICP/IP protocol by Power over Ethernet equipment PSE access power line Ethernet, and in turn by power line L2, power line Ethernet Adaptation Unit PEA, router two 00 accessing to wide band network ET.When application, only need the power supply adaptor 40 in power line Ethernet Adaptation Unit PEA and Power over Ethernet equipment PSE to be inserted into respectively supply socket nearby, can cannot reach or the broadband network arrival higher region of cost at wireless network, by existing power line, realize Ethernet data transmission, thereby greatly reduce the wiring cost of Power over Ethernet system; In addition, the disclosed Power over Ethernet system of the present embodiment is easy to install, and construction and maintenance cost are low, is particularly suitable for the Internet of Things application of household electrical appliance in wired home, instrument and household.
In sum, the embodiment of the present invention by inserting the power line Ethernet data transceiver module being connected with existing Power over Ethernet equipment in existing Power over Ethernet system, Ethernet cable connected mode in the region that power line can be able to be covered changes to power line connected mode, by power line transmission Ethernet data; Now described Ethernet cable only needs to be erected at and between the region that region that power line can cover and power line cannot cover, serves as communication bridge and use, thereby the use length of greatly having saved Ethernet cable, has reduced the wiring cost of Power over Ethernet system.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can be in the situation that do not depart from the spirit or scope of the embodiment of the present invention, realization in other embodiments.Therefore, the embodiment of the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a Power over Ethernet equipment, is characterized in that, comprising: follow the power line Ethernet data transceiver module of power line Ethernet protocol, and the Power over Ethernet module being connected with described power line Ethernet data transceiver module.
2. Power over Ethernet equipment according to claim 1, is characterized in that, described Power over Ethernet module at least has one for connecting the Ethernet interface of Ethernet power receiving equipment.
3. Power over Ethernet equipment according to claim 1, is characterized in that, also comprises: be connected in routing module or trunk module between described power line Ethernet data transceiver module and described Power over Ethernet module.
4. Power over Ethernet equipment according to claim 1, is characterized in that, also comprises: the low-voltage direct output type power supply adaptor being connected with all modules in described Power over Ethernet equipment.
5. Power over Ethernet equipment according to claim 4, is characterized in that, described low-voltage direct output type power supply adaptor is that output voltage is the power supply adaptor of 3.3 volts of 5 volts of direct currents or direct currents.
6. a Power over Ethernet subsystem, it is characterized in that, comprise: power line Ethernet Adaptation Unit, Ethernet power receiving equipment, Ethernet cable, and one end by power line be connected with described power line Ethernet Adaptation Unit, the other end is by described Ethernet cable and Power over Ethernet equipment described in any one in claim 1-5 that described at least one, Ethernet power receiving equipment is connected.
7. Power over Ethernet subsystem according to claim 6, is characterized in that, described Ethernet cable comprises that two difference send line and two differential received lines.
8. Power over Ethernet subsystem according to claim 6, is characterized in that, described Power over Ethernet subsystem is followed ICP/IP protocol.
9. a Power over Ethernet system, is characterized in that, comprising: router, and the Power over Ethernet subsystem described in any one at least one the claim 6-8 being connected with described router.
10. Power over Ethernet system according to claim 9, is characterized in that, described router and connecting or wireless connections by Ethernet cable between Power over Ethernet subsystem described in each.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410290441.XA CN104038351B (en) | 2014-06-24 | 2014-06-24 | Power over Ethernet device, POE subsystem and POE system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410290441.XA CN104038351B (en) | 2014-06-24 | 2014-06-24 | Power over Ethernet device, POE subsystem and POE system |
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| CN104038351A true CN104038351A (en) | 2014-09-10 |
| CN104038351B CN104038351B (en) | 2017-03-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107124208A (en) * | 2017-05-03 | 2017-09-01 | 深圳市百广纵横技术有限公司 | Privatization network creating method and contrast means based on broadband power line communication technology |
| CN109743080A (en) * | 2019-01-29 | 2019-05-10 | 张有为 | Power supply ethernet network fusion adaptive device and its method based on power line Ethernet |
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| CN101436883A (en) * | 2008-12-03 | 2009-05-20 | 华为技术有限公司 | Electric power modem |
| CN202094885U (en) * | 2011-05-20 | 2011-12-28 | 潘光平 | Power line communication modulator-demodulator powered by Ethernet |
| CN102545962A (en) * | 2011-12-14 | 2012-07-04 | 中兴通讯股份有限公司 | Network signal transmission method, equipment and system |
| CN202444485U (en) * | 2012-02-16 | 2012-09-19 | 吴法根 | Power line network device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101436883A (en) * | 2008-12-03 | 2009-05-20 | 华为技术有限公司 | Electric power modem |
| CN202094885U (en) * | 2011-05-20 | 2011-12-28 | 潘光平 | Power line communication modulator-demodulator powered by Ethernet |
| CN102545962A (en) * | 2011-12-14 | 2012-07-04 | 中兴通讯股份有限公司 | Network signal transmission method, equipment and system |
| CN202444485U (en) * | 2012-02-16 | 2012-09-19 | 吴法根 | Power line network device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107124208A (en) * | 2017-05-03 | 2017-09-01 | 深圳市百广纵横技术有限公司 | Privatization network creating method and contrast means based on broadband power line communication technology |
| CN109743080A (en) * | 2019-01-29 | 2019-05-10 | 张有为 | Power supply ethernet network fusion adaptive device and its method based on power line Ethernet |
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| CN104038351B (en) | 2017-03-15 |
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Effective date of registration: 20170314 Address after: 310053 Binjiang District, Hangzhou, No. six and road, a building (North), building B4015, room, four Patentee after: HANGZHOU PROTRA ELECTRONICS CO., LTD. Address before: Jiaxing City, Zhejiang province Jiashan County 314100 street to the valley Luoxing Park Venture Center Building 2, room 406 Patentee before: Jiaxing Chuan De Electronics Co., Ltd. |
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