CN201294536Y - Ethernet power receiving equipment and Ethernet electric power system - Google Patents
Ethernet power receiving equipment and Ethernet electric power system Download PDFInfo
- Publication number
- CN201294536Y CN201294536Y CNU2008201156394U CN200820115639U CN201294536Y CN 201294536 Y CN201294536 Y CN 201294536Y CN U2008201156394 U CNU2008201156394 U CN U2008201156394U CN 200820115639 U CN200820115639 U CN 200820115639U CN 201294536 Y CN201294536 Y CN 201294536Y
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- ethernet
- power supply
- power
- receiving equipment
- power receiving
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Abstract
The utility model provides an Ethernet power receiving device and an Ethernet power supply system, wherein the Ethernet power receiving device comprises a receiving unit and at least a power supply unit, wherein the receiving unit is used to receive power which is supplied by an Ethernet power supply device, and the power supply unit is used for supplying the received power to other Ethernet power receiving devices which are connected with the Ethernet power receiving device. Through the embodiment of the utility model, when the Ethernet power receiving device receives the power which is supplied by the Ethernet power supply device, the power can be supplied for other Ethernet power receiving devices which are connected with the Ethernet power receiving device, therefore, the power is supplied for a plurality of power receiving devices through one port of the Ethernet power supply device PSE, thereby increasing the reuse capability of ports of main power supply equipment, and the implementation method is simple.
Description
Technical field
The utility model relates to power supply technique, particularly Ethernet power receiving equipment and Power over Ethernet system.
Background technology
Power over Ethernet (POE:Power Over Ethernet) is meant: do not do under the situation of any change in existing Ethernet Cat.5 wiring architecture, be some IP-based terminals by Ethernet interface and cable to power receiving equipment (PD), for example terminal equipment transmission of data signals such as IP phone machine, wireless local network connecting point AP, web camera the time, can also provide the technology of direct current supply for this Terminal Type equipment.
At present, a complete POE system comprises feeder ear equipment (PSE:Power SourcingEquipment) and receiving end equipment (PD:Powered Device) two parts.Wherein, this 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, i.e. the client device of POE system is as IP phone, network security video camera, AP and many other ethernet devices such as palmtop PC (PDA) or charger for mobile phone.This PSE equipment and PD equipment are set up the informational linkage of aspects such as the situation that is connected, device type, power consumption level of relevant receiving end equipment PD based on IEEE 802.3af standard, and this PSE equipment of taking this as a foundation by Ethernet to this PD power devices.
As shown in Figure 1, may there be a plurality of ports in a PSE equipment, generally, the port of the corresponding PD equipment of port, this PoE power supply is by 4,5,7,8 four idle line transmission.Wherein, the port of the port of this PSE equipment and this PD equipment occurs in pairs, can't realize that a PSE port is a plurality of PD power devices.
As shown in Figure 2, the port of the corresponding PD equipment of a port of a PSE equipment, wherein this PoE power supply transmits by being coupling on 1,2,3,6 four lines of holding wire.The port of same this PSE equipment and the port of this PD equipment occur in pairs, can't realize that a PSE port is a plurality of PD power devices.
The utility model content
The purpose of the utility model embodiment is to provide a kind of Ethernet power receiving equipment.Can realize that by the utility model embodiment a Power over Ethernet device port is a plurality of Ethernet power receiving equipment power supplies, thereby improve the multiplexing capacity of main power supply unit port, implementation method is simple.
For achieving the above object, the utility model embodiment provides a kind of Ethernet power receiving equipment, and this Ethernet power receiving equipment comprises receiving element, and described receiving element is used to receive the power supply that Power over Ethernet equipment is supplied with; At least one power supply unit, described power supply unit are used for the described power supply that receives is supplied with other Ethernet power receiving equipment that is connected with described Ethernet power receiving equipment.
For achieving the above object, the utility model embodiment provides a kind of Power over Ethernet system, and this system comprises:
Power over Ethernet equipment is used to provide power supply; The Ethernet power receiving equipment is connected with described Power over Ethernet equipment, and described Ethernet power receiving equipment comprises:
Receiving element, described receiving element are used to receive the power supply that Power over Ethernet equipment is supplied with;
At least one power supply unit, described power supply unit are used for the described power supply that receives is supplied with other Ethernet power receiving equipment that is connected with described Ethernet power receiving equipment.
The beneficial effect of the utility model embodiment is, can realize that by the utility model embodiment by a Power over Ethernet device port be a plurality of Ethernet power receiving equipment power supplies, thereby improve the multiplexing capacity of main power supply unit port, and implementation method is simple.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, constitutes the application's a part, does not constitute the qualification to the utility model embodiment.In the accompanying drawings:
Fig. 1 is that power supply unit is the schematic diagram of power receiving equipment power supply by port in the prior art;
Fig. 2 is that power supply unit is the schematic diagram of power receiving equipment power supply by port in the prior art;
Fig. 3 A and Fig. 3 B are that the power receiving equipment of the utility model embodiment 1 constitutes schematic diagram;
Fig. 3 C utilizes the schematic diagram of power supply unit for the power receiving equipment power supply of the utility model embodiment 2;
Fig. 4 A and Fig. 4 B are that the power receiving equipment of the utility model embodiment 2 constitutes schematic diagram;
Fig. 5 and Fig. 6 are the utility model embodiment multi-stage cascade work schematic diagrames;
Fig. 7 is the utility model power supply process flow chart.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with accompanying drawing, embodiment is described in further detail to the utility model.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
Method, access device and terminal equipment that the utility model embodiment provides a kind of terminal equipment to switch between access device.Below in conjunction with accompanying drawing the utility model embodiment is elaborated.
The utility model embodiment provides a kind of Ethernet power receiving equipment, and shown in Fig. 3 A and 3B, this Ethernet power receiving equipment comprises receiving element 301 and at least one power supply unit 302; Wherein, this receiving element 301 is used to receive the power supply that power supply unit is supplied with; The power supply that at least one power supply unit 302 these power supply unit 302 is used for receiving is supplied with other Ethernet power receiving equipment that is connected with this Ethernet power receiving equipment.
In the present embodiment, this power supply unit 302 can be one, and as shown in Figure 3A, perhaps this power supply unit 402 is more than one, shown in Fig. 3 B, can be provided with according to actual needs.
In addition, the circuit of this power supply unit 302 constitutes and can constitute identically with the circuit of the power supply unit of this power supply unit, also can constitute different with the circuit of this power supply unit.For example, in the net electric power system too, as long as this power supply unit 302 satisfies the 802.3af standard, shown in Fig. 3 C.
As shown in Figure 3, the power supply unit A of this power supply unit is the power receiving equipment power supply, and the power supply unit of this power receiving equipment comprises power supply unit A, power supply unit B and power supply unit C; Wherein, this power supply unit A is identical with the circuit that the power supply unit of power supply unit adopts; This power supply unit B is different with the power supply circuits A of power supply unit with power supply unit C; These power supply circuits A, B, C can be finished functions such as negotiation, power supply, control by single chip, also can finish functions such as negotiation, power supply, control respectively, on the circuit implementation of reality, can be the same or different by independently chip or circuit.
By the utility model embodiment, when this Ethernet powered device PD receives the power supply of this Power over Ethernet equipment PSE supply, this power supply can be supplied with connected other Ethernet power receiving equipment, like this, can be a plurality of Ethernet power receiving equipment power supplies by the port of this Power over Ethernet equipment PSE, thereby improved the multiplexing capacity of main power supply unit port, implementation method is simple.Wherein, this Ethernet powered device PD both can receive the power supply that Power over Ethernet equipment PSE supplies with, and can be other power receiving equipment power supply again.
Embodiment 2
The utility model embodiment provides a kind of Ethernet power receiving equipment, shown in Fig. 4 A and 4B, shown in, this Ethernet power receiving equipment comprises receiving element 401 and at least one power supply unit 402, its effect is similar to Example 3, repeats no more herein.
In the present embodiment, this Power over Ethernet equipment can be the power supply unit PSE in the Power over Ethernet system.
In the present embodiment, the power supply unit 402 of this Ethernet power receiving equipment can be one, shown in Fig. 4 A; Perhaps this power supply unit 402 is more than one, shown in Fig. 4 B, can be provided with according to actual needs.
In addition, the circuit of this power supply unit 402 constitutes and can constitute identically with the circuit of the power supply unit of this power supply unit, also can constitute different with the circuit of this power supply unit.For example, in the net electric power system too, as long as this power supply unit 402 satisfies the 802.3af standard.
In the present embodiment, in order to prevent that this Power over Ethernet equipment PSE that this Power over Ethernet equipment PSE and Ethernet powered device PD cause when not matching from can not take place for this Ethernet powered device PD power supply or the situation that causes burning out power receiving equipment, this Ethernet powered device PD is before the power supply that this Power over Ethernet equipment of reception PSE provides, carry out protocol negotiation earlier and between this Power over Ethernet equipment PSE, to guarantee this Ethernet powered device PD and this Power over Ethernet equipment PSE coupling.Like this, this Ethernet power receiving equipment also comprises first negotiation element 404, and this first negotiation element 404 is used for carrying out protocol negotiation with this power supply unit, consults successfully, and then this receiving element 401 receives this power supply.
As shown in Figure 4, this Ethernet power receiving equipment also comprises start unit 403, and this start unit 403 is used to start at least one power supply unit 402.When this power supply unit 402 when being a plurality of, this start unit 402 can be according to setting in advance a plurality of power supply units 402 that start this Ethernet power receiving equipment simultaneously; Perhaps start these a plurality of power supply units 402 according to sequencing.
As shown in Figure 4, this Ethernet power receiving equipment also comprises at least one interface unit 405, and this power supply unit 402 connects one to one with other Ethernet power receiving equipment respectively by this interface unit 405.This interface unit 405 can adopt physical interface, and an interface connects other Ethernet power receiving equipment, and when being a plurality of as if this interface unit, this Ethernet power receiving equipment can connect a plurality of other Ethernet power receiving equipments, is other power receiving equipment power supply.
In like manner, before this Ethernet power receiving equipment is other Ethernet power receiving equipment power supply, for guaranteeing to mate between this this Ethernet power receiving equipment and other Ethernet power receiving equipment, carry out protocol negotiation between other Ethernet power receiving equipment that each power supply unit of this Ethernet power receiving equipment need and be attached thereto.Like this, this Ethernet power receiving equipment also comprises the second negotiation element (not shown), starting this power supply unit 402 for before powering, this second negotiation element is used for carrying out protocol negotiation between each power supply unit 402 and connected other Ethernet power receiving equipment, consult successfully, then this power supply unit 402 is supplied with this power supply other Ethernet power receiving equipment that is attached thereto.
In actual applications, as Fig. 3 A, 4A, shown in Figure 5, when this Ethernet power receiving equipment comprises a power supply unit 302,402, but above-mentioned Ethernet power receiving equipment multi-stage cascade can be used; As Fig. 3 B, 4B, shown in Figure 6, when this Ethernet power receiving equipment comprised a plurality of power supply unit, this Ethernet power receiving equipment can connect a plurality of other Ethernet power receiving equipments simultaneously, was this miscellaneous equipment power supply.
In addition, above-mentioned dual mode also can mix use, can be provided with arbitrarily according to actual needs.Like this, a port that can reach by a power supply unit is the effect of a plurality of power receiving equipment power supplies, and the total quantity of this power receiving equipment can decide according to the power supply capacity of this power supply unit and the total power consumption of all power receiving equipments.
To be example describe the course of work of this Ethernet power receiving equipment for other power receiving equipment is powered by a plurality of power supply units with this Ethernet power receiving equipment.
As shown in Figure 7, step 701, Ethernet powered device PD and Power over Ethernet equipment PSE carry out protocol negotiation;
Step 702, consult successfully after, this Ethernet powered device PD receives the power supply that this Power over Ethernet equipment PSE supplies with;
Step 703, before the power supply unit of this Ethernet powered device PD of startup was other power receiving equipment power supply that is attached thereto, each power supply unit of this Ethernet powered device PD and this other Ethernet power receiving equipment were held consultation;
Step 704, consult successfully after, start this power supply unit and power for other Ethernet power receiving equipment.Wherein, in the present embodiment, can start these a plurality of power supply units, can also start this power supply unit simultaneously, can carry out equipment according to actual needs arbitrarily according to predefined procedure.
In the present embodiment, the quantity of these a plurality of power supply units is identical with the quantity of other Ethernet power receiving equipment, and connects one to one, and connects by the physical interface of respective numbers.
The utility model embodiment also provides a kind of Power over Ethernet system, and this system comprises Power over Ethernet equipment and Ethernet power receiving equipment; Wherein, this Power over Ethernet equipment is used to provide power supply; This Ethernet power receiving equipment is connected with this Power over Ethernet equipment, and described Ethernet power receiving equipment comprises: receiving element, described receiving element are used to receive the power supply that Power over Ethernet equipment is supplied with; At least one power supply unit, described power supply unit are used for the described power supply that receives is supplied with other Ethernet power receiving equipment that is connected with described Ethernet power receiving equipment.
Wherein, the formation of this power receiving equipment is shown in embodiment 1 and embodiment 2, and this system such as Fig. 3 C, shown in Figure 5, repeats no more herein.
By the utility model embodiment, when this Ethernet power receiving equipment receives the power supply of this Power over Ethernet equipment supply, this power supply can be supplied with connected other Ethernet power receiving equipment, like this, can be a plurality of Ethernet power receiving equipment power supplies by the port of this power supply unit PSE, thereby improved the multiplexing capacity of main power supply unit port, implementation method is simple.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection range of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. an Ethernet power receiving equipment is characterized in that, described Ethernet power receiving equipment comprises:
Receiving element, described receiving element are used to receive the power supply that Power over Ethernet equipment is supplied with;
At least one power supply unit, described power supply unit are used for the described power supply that receives is supplied with other Ethernet power receiving equipment that is connected with described Ethernet power receiving equipment.
2. Ethernet power receiving equipment according to claim 1, it is characterized in that described Ethernet power receiving equipment also comprises first negotiation element, described first negotiation element is used for carrying out protocol negotiation with described Power over Ethernet equipment, consult successfully, then described receiving element receives described power supply.
3. Ethernet power receiving equipment according to claim 1 is characterized in that, described Ethernet power receiving equipment also comprises start unit, and described start unit is used to start at least one described power supply unit.
4. Ethernet power receiving equipment according to claim 1 is characterized in that, described Ethernet power receiving equipment also comprises at least one interface unit, and described power supply unit connects one to one with described other Ethernet power receiving equipment respectively by described interface unit.
5. Ethernet power receiving equipment according to claim 3, it is characterized in that, described Ethernet power receiving equipment also comprises second negotiation element, before starting described power supply unit, described second negotiation element is used for carrying out protocol negotiation with described other Ethernet power receiving equipment, consult successfully, then described power supply unit is supplied with described power supply and described other Ethernet power receiving equipment.
6. a Power over Ethernet system is characterized in that, described system comprises:
Power over Ethernet equipment is used to provide power supply; The Ethernet power receiving equipment is connected with described Power over Ethernet equipment, and described Ethernet power receiving equipment comprises:
Receiving element, described receiving element are used to receive the power supply that Power over Ethernet equipment is supplied with;
At least one power supply unit, described power supply unit are used for the described power supply that receives is supplied with other Ethernet power receiving equipment that is connected with described Ethernet power receiving equipment.
7. Power over Ethernet according to claim 6 system, it is characterized in that described Ethernet power receiving equipment also comprises first negotiation element, described first negotiation element is used for carrying out protocol negotiation with described Power over Ethernet equipment, consult successfully, then described receiving element receives described power supply.
8. Power over Ethernet according to claim 6 system is characterized in that described Ethernet power receiving equipment also comprises start unit, and described start unit is used to start at least one described power supply unit.
9. Power over Ethernet according to claim 6 system is characterized in that described Ethernet power receiving equipment also comprises at least one interface unit, and described power supply unit connects one to one with described other Ethernet power receiving equipment respectively by described interface unit.
10. Ethernet power receiving equipment according to claim 8, it is characterized in that, described Ethernet power receiving equipment also comprises second negotiation element, before starting described power supply unit, described second negotiation element is used for carrying out protocol negotiation with described other Ethernet power receiving equipment, consult successfully, then described power supply unit is supplied with described power supply and described other Ethernet power receiving equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201156394U CN201294536Y (en) | 2008-11-26 | 2008-11-26 | Ethernet power receiving equipment and Ethernet electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201156394U CN201294536Y (en) | 2008-11-26 | 2008-11-26 | Ethernet power receiving equipment and Ethernet electric power system |
Publications (1)
| Publication Number | Publication Date |
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| CN201294536Y true CN201294536Y (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201156394U Expired - Lifetime CN201294536Y (en) | 2008-11-26 | 2008-11-26 | Ethernet power receiving equipment and Ethernet electric power system |
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| CN (1) | CN201294536Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664741A (en) * | 2012-04-12 | 2012-09-12 | 上海芯域微电子有限公司 | Method and device of power over Ethernet |
| CN102761422A (en) * | 2012-07-27 | 2012-10-31 | 深圳市东微智能科技有限公司 | Cascaded Ethernet power supply system and Ethernet power supply method thereof |
| CN103384200A (en) * | 2012-11-23 | 2013-11-06 | 上海斐讯数据通信技术有限公司 | Ethernet power supply device and method for distributing power supply power |
| CN103891197A (en) * | 2011-10-28 | 2014-06-25 | 惠普发展公司，有限责任合伙企业 | Network powered device |
| WO2014170717A1 (en) * | 2013-04-17 | 2014-10-23 | Pismo Labs Technology Limited | Methods and systems for supplying and receiving power over ethernet |
| CN104518884A (en) * | 2013-10-01 | 2015-04-15 | 美国博通公司 | Selective Industrial Power-Over-Network Configuration and Operation |
| CN105659524A (en) * | 2013-08-27 | 2016-06-08 | 皇家飞利浦有限公司 | Power distribution system |
| CN106936598A (en) * | 2015-12-31 | 2017-07-07 | 华为技术有限公司 | POE method and power supply unit and power receiving equipment |
| CN107070877A (en) * | 2017-02-04 | 2017-08-18 | 李晨天 | Multiple power source adapting protocol (UPP) |
| CN109698755A (en) * | 2017-10-23 | 2019-04-30 | 华为技术有限公司 | Method for controlling power supply, power supply unit and power receiving equipment |
| CN113660101A (en) * | 2020-05-12 | 2021-11-16 | 华为技术有限公司 | Port matching method, power-on method, equipment, system and cable |
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2008
- 2008-11-26 CN CNU2008201156394U patent/CN201294536Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103891197A (en) * | 2011-10-28 | 2014-06-25 | 惠普发展公司，有限责任合伙企业 | Network powered device |
| CN102664741A (en) * | 2012-04-12 | 2012-09-12 | 上海芯域微电子有限公司 | Method and device of power over Ethernet |
| CN102761422B (en) * | 2012-07-27 | 2015-08-19 | 深圳市东微智能科技有限公司 | A kind of power over ethernet electric power system of cascade and Power over Ethernet method thereof |
| CN102761422A (en) * | 2012-07-27 | 2012-10-31 | 深圳市东微智能科技有限公司 | Cascaded Ethernet power supply system and Ethernet power supply method thereof |
| CN103384200A (en) * | 2012-11-23 | 2013-11-06 | 上海斐讯数据通信技术有限公司 | Ethernet power supply device and method for distributing power supply power |
| US10386902B2 (en) | 2013-04-17 | 2019-08-20 | Pismo Labs Technology Limited | Methods and systems for supplying and receiving power over ethernet |
| US9720473B2 (en) | 2013-04-17 | 2017-08-01 | Pismo Labs Technology Limited | Methods and systems for supplying and receiving power over ethernet |
| WO2014170717A1 (en) * | 2013-04-17 | 2014-10-23 | Pismo Labs Technology Limited | Methods and systems for supplying and receiving power over ethernet |
| US10884466B2 (en) | 2013-04-17 | 2021-01-05 | Pismo Labs Technology Limited | Methods and systems for supplying and receiving power over ethernet |
| CN105659524A (en) * | 2013-08-27 | 2016-06-08 | 皇家飞利浦有限公司 | Power distribution system |
| CN105659524B (en) * | 2013-08-27 | 2020-06-16 | 飞利浦灯具控股公司 | Power distribution system |
| CN104518884A (en) * | 2013-10-01 | 2015-04-15 | 美国博通公司 | Selective Industrial Power-Over-Network Configuration and Operation |
| CN106936598A (en) * | 2015-12-31 | 2017-07-07 | 华为技术有限公司 | POE method and power supply unit and power receiving equipment |
| CN107070877A (en) * | 2017-02-04 | 2017-08-18 | 李晨天 | Multiple power source adapting protocol (UPP) |
| CN107070877B (en) * | 2017-02-04 | 2021-07-02 | 李晨天 | Universal power adapter protocol (UPP) |
| CN109698755A (en) * | 2017-10-23 | 2019-04-30 | 华为技术有限公司 | Method for controlling power supply, power supply unit and power receiving equipment |
| CN113660101A (en) * | 2020-05-12 | 2021-11-16 | 华为技术有限公司 | Port matching method, power-on method, equipment, system and cable |
| CN113660101B (en) * | 2020-05-12 | 2022-10-18 | 华为技术有限公司 | Port matching method, power-on method, equipment and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAWEI DEVICE CO., LTD. Free format text: FORMER NAME: SHENZHEN HUAWEI TECHNOLOGY CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee after: Huawei Device Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Shenzhen Huawei Communication Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20090819 |
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| CX01 | Expiry of patent term |