CN106506172A - A kind of POE method, power supply unit and power receiving equipment - Google Patents
A kind of POE method, power supply unit and power receiving equipment Download PDFInfo
- Publication number
- CN106506172A CN106506172A CN201610915942.1A CN201610915942A CN106506172A CN 106506172 A CN106506172 A CN 106506172A CN 201610915942 A CN201610915942 A CN 201610915942A CN 106506172 A CN106506172 A CN 106506172A
- Authority
- CN
- China
- Prior art keywords
- power
- receiving equipment
- poe
- supply unit
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of POE method, the power supply unit being applied in POE POE system, it is characterised in that methods described includes：Transmit power consults request to power receiving equipment, carries and connect the POE ports of the power receiving equipment currently available power information in the power negotiations request；Judge to receive POE ports that the power receiving equipment sends currently available power information meet itself operating power requirements response message when, power adjustment is powered according to the response message to the POE ports.Present invention also offers a kind of POE method of the power receiving equipment being applied in POE POE system, power supply unit and power receiving equipment.Beneficial effects of the present invention are：The power negotiations request that POE information is carried by interaction between power supply unit and power receiving equipment, according to real work demand dynamic negotiation power, to realize the adjustment at any time of power.
Description
Technical field
The invention belongs to data communication field, more particularly to a kind of POE method, power supply unit and power receiving equipment.
Background technology
Power over Ethernet (Power Over Ethernet, POE) is on the basis for not changing existing Ethernet architecture
On, also power for equipment while being equipment transmission data, typical case applications of the Fig. 1 for POE technology, power supply unit in Fig. 1
(Power Sourcing Equipment, abbreviation PSE) provides power, and power receiving equipment (Power Device, abbreviation PD) receives
The power supply of PSE device.With PD (such as IP phone, network monitoring etc.) more and more diversified, PSE also more and more by demand,
For the application of existing POE technology, due to the finiteness of PSE output powers, PD can be because unexpected power-off or electricity shortage, make
Into PD loss of data or running status unstable, while the output power of PSE can not be effectively utilized.Therefore how
The POE between PSE and PD is realized, the power utilization for improving PSE is problem demanding prompt solution.
Content of the invention
The invention provides a kind of POE method, power supply unit and power receiving equipment, for solving to set due to power supply
The finiteness of available electrical power, power receiving equipment can be because unexpected power-off or electricity shortage, cause the loss of data of power receiving equipment
Or running status is unstable, while the problem that the output power of power supply unit can not be utilized effectively.
For reaching above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of first aspect, there is provided POE method, the power supply unit being applied in POE POE system,
Methods described includes：
Transmit power consults request to power receiving equipment, carries the connection power receiving equipment in the power negotiations request
The current available power information in POE ports；
Currently available power information meets itself work to judge to receive the POE ports that the power receiving equipment sends
During the response message of rate of doing work demand, power adjustment is powered according to the response message to the POE ports.
A kind of second aspect, there is provided POE method, the power receiving equipment being applied in POE POE system,
Methods described includes：
The power negotiations request that power supply unit sends is received, is carried in the power negotiations request and is connected with this power receiving equipment
The current available power information in the POE ports of the power supply unit for connecing；
Judge that the power information that the POE ports of the power supply unit carried in the power negotiations request provide meets certainly
During body operating power requirements, response message is sent to the power supply unit；The response message includes that the power receiving equipment is needed
Seek operating power information；The power receiving equipment demand operating power information is current less than or equal to the POE ports of the power supply unit
Available power information.
A kind of third aspect, there is provided POE method, the power supply unit being applied in POE POE system,
Methods described includes：
The power negotiations request that power receiving equipment sends is received, the need of the power receiving equipment in the power negotiations request, are carried
Seek operating power information；
Judge that this equipment can provide the demand operating power of the power receiving equipment carried in the power negotiations request
During information, response message is sent to the power receiving equipment, and after the power receiving equipment transmission negotiation determination power information is received,
Consult to determine the adjustment that power information is powered power according to described；ALM is otherwise carried out.
A kind of fourth aspect, there is provided POE method, the power receiving equipment being applied in POE POE system,
Methods described includes：
Transmit power consults request to power supply unit, and carrying the power receiving equipment in the power negotiations request needs to power
The demand operating power information that equipment is provided；
Receive the power supply unit to be asked after the response message for sending according to the power negotiations, send and consult to determine power
Information gives the power supply unit；
Consult to determine power information according to described, itself working condition is adjusted.
The present invention provide a kind of POE method pass through between power supply unit and power receiving equipment interaction carry with
The power negotiations of too net power supply POE information are asked, according to the actual requirements dynamic negotiation power, to realize the adjustment at any time of power,
The operating power requirements of power receiving equipment can be met, power supply unit can be enable again effectively to distribute according to need power, can be with
The power utilization of power supply unit is effectively improved；Power receiving equipment can also be according to the outside changed power that provides to itself work shape
State is adjusted, and reduces the equipment loss brought due to changed power.
In terms of 5th, there is provided a kind of power supply unit, mould is adjusted including message sending module, message receiver module and power
Block,
The message sending module, consults request to power receiving equipment for transmit power, takes in the power negotiations request
The current available power information in POE ports with the connection power receiving equipment；
The message receiver module, for receiving POE ports that the power receiving equipment sends currently available work(
Rate information meets the response message of itself operating power requirements；
The power regulation module, for after the message receiver module receives the response message, according to described
Response message is powered power adjustment to the POE ports.
In terms of 6th, there is provided a kind of power receiving equipment, the power receiving equipment includes message receiver module and message sending module,
The message receiver module, for receiving the power negotiations request of power supply unit transmission, the power negotiations request
In carry the POE ports of the power supply unit being connected with this power receiving equipment currently available power information；
The message sending module, for judging the POE ends of the power supply unit carried in the power negotiations request
When the power information that mouth is provided meets itself operating power requirements, response message is sent to the power supply unit.
In terms of 7th, there is provided a kind of power supply unit, the power supply unit include message sending module, message receiver module,
Power regulation module and alarm module,
The message receiver module, for receiving the power negotiations request of power receiving equipment transmission, the power negotiations request
The middle demand operating power information for carrying the power receiving equipment；
The message sending module, receives described in carrying for judging that this equipment can be provided in the power negotiations request
During the demand operating power information of electric equipment, response message is sent to the power receiving equipment；
The message receiver module, is additionally operable to receive the power receiving equipment and send consult to determine power information；
The power regulation module, for the message receiver module receive described consult determine power information after,
Consult to determine the adjustment that power information is powered power according to described；
In the message sending module, the alarm module, for judging that this equipment can not provide the power negotiations and ask
Ask middle carrying the demand operating power information of the power receiving equipment when, carry out ALM.
A kind of eighth aspect, there is provided power receiving equipment, the power receiving equipment include message receiver module, message receiver module and
Adjusting module,
The message sending module, consults request to power supply unit for transmit power, takes in the power negotiations request
With the demand operating power information that the power receiving equipment needs power supply unit offer；
The message receiver module, asks the response for sending letter for receiving the power supply unit according to the power negotiations
Breath；
The message sending module, is additionally operable to the message receiver module reception power supply unit and is assisted according to the power
Consult and request after seeking the response message of transmission, send and consult to determine power information to the power supply unit；
The adjusting module, for consulting to determine power information according to described, is adjusted to itself working condition.
Beneficial effects of the present invention are：The present invention passes through between power receiving equipment and power supply unit by interacting carrying POE
The power negotiations of information are asked, according to the actual requirements dynamic negotiation power, to realize the adjustment at any time of power, you can received with meeting
The operating power requirements of electric equipment are operated state adjustment according to the electric power thus supplied of power supply unit in time, can make power supply again
Equipment effectively can be distributed according to need power.The present invention can effectively improve the power utilization of power supply unit；Power receiving equipment
Itself working condition can also be adjusted according to the outside changed power that provides, be reduced as the equipment that changed power brings is damaged
Consumption；And when power supply unit prepares to stop power supply, power receiving equipment can know imminent power-off thing in advance and carry out
The work such as the data backup before power-off.
Description of the drawings
Fig. 1 is the networking schematic diagram of existing POE technology；
Fig. 2 is applied to a kind of POE of the power supply unit in POE POE system for the embodiment of the present invention
Method flow diagram；
Fig. 3 is applied to a kind of POE of the power receiving equipment in POE POE system for the embodiment of the present invention
Method flow diagram；
Fig. 4 is applied to a kind of POE of the power receiving equipment in POE POE system for the embodiment of the present invention
Method flow diagram；
Fig. 5 is a kind of interaction diagrams of POE method of the embodiment of the present invention；
Fig. 6 is applied to a kind of POE of the power supply unit in POE POE system for the embodiment of the present invention
Method flow diagram；
Fig. 7 is applied to a kind of POE of the power receiving equipment in POE POE system for the embodiment of the present invention
Method flow diagram；
Fig. 8 is a kind of interaction diagrams of POE method of the embodiment of the present invention；
Fig. 9 is a kind of power supply unit structural representation provided in an embodiment of the present invention；
Figure 10 is a kind of power supply unit structural representation provided in an embodiment of the present invention；
Figure 11 is a kind of power receiving equipment structural representation provided in an embodiment of the present invention；
Figure 12 is a kind of power receiving equipment structural representation provided in an embodiment of the present invention；
Figure 13 is a kind of power supply unit structural representation provided in an embodiment of the present invention；
Figure 14 is a kind of power receiving equipment structural representation provided in an embodiment of the present invention.
Specific embodiment
For making technical scheme become more apparent, the present invention is described in further details in conjunction with accompanying drawing：
For solving in existing power over Ethernet due to the finiteness of power supply unit PSE output powers, power receiving equipment
PD can be because unexpected power-off or electricity shortage, cause the loss of data of PD or running status unstable, while power supply unit PSE
The problem that can not be effectively utilized of output power, the embodiment of the present invention assisted by interact power between PSE and PD
Consult and request and ask to realize the adjustment to POE power.
Embodiment 1
In POE system, when power supply unit power supply capacity is limited or will stop power supply, power supply unit prepares to need to adjust
Whole be supplied to power receiving equipment output power when, carry out power negotiations in advance, so as to power receiving equipment adjust in time itself work shape
State carries out the preparation before power-off in advance, can such as enter the operations such as row information preservation, to reduce power receiving equipment because suddenly
Output power change or the equipment loss that brings of power-off.
Based on object above, a kind of POE method, the confession being applied in POE system is embodiments provided
Electric equipment, as shown in Fig. 2 methods described includes：
Step 201, transmit power consult request to power receiving equipment, carry and receive described in connection in the power negotiations request
The current available power information in the POE ports of electric equipment；
Step 202, currently available power information is full to judge to receive the POE ports that the power receiving equipment sends
During the response message of itself operating power requirements sufficient, power adjustment is powered according to the response message to the POE ports.
In this step, described judge to receive the POE ports that the power receiving equipment sends currently available power information is full
During the response message of itself operating power requirements sufficient, power adjustment is powered according to the response message to the POE ports,
Specifically include：
If receiving the response message that the power receiving equipment is asked to send according to the power negotiations, according to the response
Information acquisition is consulted to determine power information, and consults to determine that power information is powered power to the POE ports according to described
Adjustment；The response message includes the power receiving equipment demand operating power information；The determination power information of consulting includes
The power receiving equipment demand operating power information.
If the POE ports of the power receiving equipment of the connection in the power negotiations solicited message that power receiving equipment is received are current
When available power information is unsatisfactory for itself operating power requirements, power receiving equipment will not be responded, it is thus possible to occur and work as
After power supply unit sends power negotiations request, the response message of power receiving equipment, now, the embodiment of the present invention is can not receive for a long time
A kind of POE method also includes：
Judging, the POE ports that the power receiving equipment transmission is not received within the cycle time for setting can currently provide
Power information meet itself operating power requirements response message when, generation system warning information.
In embodiments of the present invention, power negotiations request can adopt Operations, Administration and Maintenance (Operations,
Administration and Maintenance, abbreviation OAM) message format, OAM agreements mainly by fault detect, alarm,
The means such as positioning and isolation improve the O＆M level of network, and the form of conventional Ethernet OAM message is as shown in table 1 below at present,
Table 1
| Dmac | Smac | Type | Subtype | Flags | Code | DataPad | CRC |
Wherein, Dmac：Ethernet OAM message target MAC (Media Access Control) address, is slow protocol multicast address：0x0180-C200-
0002, as slow protocol massages can not be forwarded by bridge, therefore Ethernet OAM message can not be forwarded；
Smac：Ethernet OAM message source MAC, is transmitting terminal Mac addresses；
Type：The protocol type of Ethernet OAM message, as Ethernet OMA agreements belong to slow protocol, therefore here
Protocol type is 0x8809；
Subtype：The protocol subtypes of Ethernet OAM message, the differentiation between slow protocol is using in message
Subtype domains, be worth for 03 when, represent the message for OMA messages, therefore Subtype here is 0x03；
Flags：Flag domains, contain the status information of Ethernet OAM entity；
Code：The type of OAMPDU messages；
Self-defined Code field formats in Ethernet OAM message format in embodiments of the present invention are as shown in table 2 below,
Table 2
Wherein, Local info TLV and Remote info TLV fields are entered based on current information OAMPDU field
Row definition, therefore the embodiment of the present invention can realize the work(such as power negotiations on the basis of Ethernet OAM session establishment is not affected
Energy；The form of Local POE TLV and Remote POE TLV fields is as shown in table 3 below,
Table 3
Wherein, Dev represents device type, by being accused by the definition to device type in power negotiations interactive information
Know the device type of opposite equip. local device, e.g., can define Dev for 0 when, represent the equipment for non-PD/PSE, Dev is 1
When, the equipment is represented for PSE, when Dev is 2, represent that the equipment is PD；
Flag represents power negotiations state, realizes the differentiation to power negotiations state by the definition to Flag values, e.g.,
Can define Flag for 1 when, represent power negotiations, Flag be 2 when, represent power confirm；The value of this Flag can be with according to friendship
Mutually need to define other state values；
State represents equipment power supply state, realizes informing opposite end by the definition of the equipment power supply state in the field
The power supply state of equipment equipment of itself, e.g., can define State for 1 when, represent equipment be in normal condition, State be 2 when,
Expression equipment is in malfunction, when State is other values (such as 0), represents that State values now are invalid value；
Local POWER represent the locally stored power of equipment, for PD equipment, locally stored work(here
Rate is the operating power of PD device requirements；For PSE device, locally stored power here is connected with PD
The current available power in the POE ports of PSE；
Remote POWER represent the power of remote equipment, for PD equipment, the power of remote equipment here
It is the current available power in POE ports of the PSE being connected with PD；For PSE device, the work(of remote equipment here
Rate is the operating power of PD device requirements.
Ether corresponding to the power supply unit being applied in POE POE system shown in embodiment of the present invention Fig. 2
Net method of supplying power to, the embodiment of the present invention additionally provide a kind of POE method, are applied in POE POE system
Power receiving equipment, as shown in figure 3, methods described includes：
Step 301, the power negotiations request for receiving power supply unit transmission, carry in the power negotiations request and originally receive
The current available power information in POE ports of the power supply unit of electric equipment connection；
Step 302, the power letter that the POE ports offer of the power supply unit of carrying in the power negotiations request is provided
When breath meets itself operating power requirements, response message is sent to the power supply unit；The response message includes described receiving
Electric equipment demand operating power information；POE of the power receiving equipment demand operating power information less than or equal to the power supply unit
The current available power information in port.In this step, if power receiving equipment judges the power negotiations solicited message for receiving
In when currently available power information is unsatisfactory for itself operating power requirements the POE ports of the connection power receiving equipment, receive
Electric equipment will not be responded.
As shown in figure 4, after step 302, step 403, the power receiving equipment are also included according to the response message, right
Itself working condition is adjusted.In this step, due to the electrical characteristic of power receiving equipment itself, the work of power receiving equipment demand
Power is a value range, as long as currently available power information disclosure satisfy that power receiving equipment for the POE ports of power supply unit
Operating power represents in this value range, that is, and disclosure satisfy that the operating power of power receiving equipment demand, and therefore power receiving equipment can be with
According to the POE ports of power supply unit, currently available power information adjusts the working condition of itself.
In order to better illustrate a kind of POE method of the embodiment of the present invention, side of the embodiment of the present invention to illustrate
Formula is illustrating how the method for realizing the embodiment of the present invention using Ethernet OAM message format, Ethernet OAM establishment of connection mistake
Journey is also referred to as Discovery stages, i.e. local terminal OAM entities and finds far end OAM solid and set up the process of stable dialogue therewith.?
During this, connected OAM entities circulate a notice of respective Ethernet OAM configuration information by interaction Information OAMPDU
The information exchange of OAM inter-entity is realized with the Ethernet OAM ability information of local terminal support.
In POE system, PSE may be needed while be powered to multiple stage PD, when PSE power supply capacities change, wished
When prestige adjusts the power supply to a certain PD, work(between PSE and PD is realized using a kind of POE method of the embodiment of the present invention
Rate consult the first implementation be：
As shown in figure 5, PSE transmit powers consult the Ethernet OAM message of request to PD, take in the power negotiations request
With the current available power information in POE ports for connecting the PD；The value of the Local POWER in the Ethernet OAM message
POE ports that PSE ends are connected currently available power is represented with PD；Remote POWER are that 0 expression PSE ends are locally stored
The initialization value of remote equipment (i.e. PD) power is 0.
After PD receives the Ethernet OAM message of above-mentioned power negotiations request, the Ethernet OAM message for receiving is judged
In Local POWER values whether meet itself operating power requirements, when receive power negotiations request Ethernet OAM report
When Local POWER values in text meet PD itself operating power requirements, PD sends Ethernet OAM response message to PSE, should be with
Local POWER too in net OAM message are Y, and in the POE ports that PSE ends are connected with PD, currently available power is big for expression
Little for X in the case of, the operating power of PD ends adaptation is Y (Y be less than or equal to X), now PD ends Ethernet OAM session by down to
up；When the Local POWER values in the Ethernet OAM message of the power negotiations request for receiving are unsatisfactory for PD itself operating powers
During demand, PD is not responded.After PD sends Ethernet OAM response message to PSE, PD equipment is rung according to the Ethernet OAM
The Local POWER values in message are answered to be adjusted itself working condition.
When PSE receives the Ethernet OAM response message of PD transmissions, the Remote in the Ethernet OAM message is judged
POWER with locally stored currently available power is consistent with the PD is connected POE ports when, the Ethernet OAM session of PSE ends
The POE being connected with the PD according to the power information adjustment for consulting to determine in the Ethernet OAM response message by down to up, PSE
The current output power in port；System is produced if PSE does not receive the response message of PD transmissions within the cycle time for setting
System warning information.
In embodiments of the present invention, the locally stored distal power Remote POWER initial values of PD and PSE are 0, when connecing
When the Ethernet OAM message for receiving does not meet required message, continue to keep current message to send.
Further, when PSE power supply capacities change, it is desirable to when adjusting the power supply to a certain PD, using of the invention real
A kind of POE method for applying example realizes that second implementation of power negotiations between PSE and PD is：
PSE transmit powers consult the Ethernet OAM message of request to PD, and carrying connection in the power negotiations request should
The current available power information in the POE ports of PD；Local POWER in the Ethernet OAM message are XX, represent PSE ends
Currently available watt level is XX for the POE ports being connected with PD；For Y, Remote POWER represent that PSE ends are locally stored
Remote equipment (i.e. PD) power is Y.After PD receives the Ethernet OAM message of above-mentioned power negotiations request, judgement is received
Whether the Local POWER values in the Ethernet OAM message meet itself operating power requirements, when the power negotiations for receiving please
When Local POWER values in the Ethernet OAM message that asks meet PD itself operating power requirements, PD sends Ethernet OAM and rings
Answer message to PSE, such as when the Local POWER values in the Ethernet OAM message are YY, expression is connected with PD at PSE ends
In the case that currently available watt level is XX, the operating power at PD ends is YY, now PD ends Ethernet OAM for POE ports
Session is by down to up；When the Local POWER values in the Ethernet OAM message of the power negotiations request for receiving are unsatisfactory for PD
During itself operating power requirements, PD is not responded.After PD sends Ethernet OAM response message to PSE, PD equipment is according to this
Local POWER values in Ethernet OAM response message are adjusted to itself working condition.
PSE receives the response of PD transmissions, judge Remote POWER in the Ethernet OAM message with locally stored
Be connected with the PD when currently available power is consistent for POE ports, the Ethernet OAM session of PSE ends is by down to up, PSE roots
The current confession electric work in the POE ports being connected with the PD is adjusted according to the power information for consulting to determine in the Ethernet OAM response message
Rate；Generation system warning information if PSE does not receive the response message of PD transmissions within the cycle time for setting.
In the embodiment of the present invention, when the power supply capacity of PSE is limited, when will stop being powered PD, PSE is sent to PD
The power-down notice of too net OAM message form, after PD receives the power-down notice of PSE transmissions, starts to do power-off pre-treatment (including number
According to backup etc.), if PSE receives the response of unfinished power down process of PD, PSE does not do power down process, only maintains OAM meetings
Words, if PSE receive PD complete power down process response when, PSE does power down process.
A kind of POE method provided in an embodiment of the present invention, it is achieved that being limited in PSE power supply capacities needs to adjust
During to the output power of PD, power negotiations request is actively initiated, so that PD adjusts itself working condition in time or carries out in advance disconnected
Preparation before electricity, can such as enter the operations such as row information preservation, to reduce PD because unexpected output power change or power-off
The equipment loss for bringing.
Embodiment 2
In POE POE system, according to the electrical characteristic of power receiving equipment itself, when the work of power receiving equipment demand
When power changes, realize the operating power to power receiving equipment demand by power negotiations request is interacted with power supply unit
Adjustment, not only can so make power receiving equipment be met the operating power of itself needs, power supply unit can also be enable to have
The distribution according to need power of effect, improves the power utilization of power supply unit.Such as when the operating power of power receiving equipment demand becomes hour, lead to
Overpower is consulted, and power supply unit can be with recovery section power, there is provided use to more power receiving equipments；Work when power receiving equipment demand
When the rate of doing work becomes big, by power negotiations, power supply unit can increase power, make power receiving equipment be operated in the work of demand as far as possible
Under power, it is ensured that the good operation of power receiving equipment；When power receiving equipment find faults itself will be out of service when, power receiving equipment
De-energizing actions can be made by power negotiations active request power supply unit, improve the power utilization of power supply unit.
Object above is based on, the embodiment of the present invention provides a kind of POE method, is applied to POE POE systems
Power supply unit in system, as shown in fig. 6, methods described includes：
Step 601, the power negotiations request for receiving power receiving equipment transmission, in the power negotiations request, carrying is described receives electricity
The demand operating power information of equipment；
Step 602, judge that this equipment can provide the demand of the power receiving equipment carried in power negotiations request
During operating power information, response message is sent to the power receiving equipment, and consult to determine work(receiving the power receiving equipment and sending
After rate information, consult to determine the adjustment that power information is powered power according to described；ALM is otherwise carried out.
Ether corresponding to the power supply unit being applied in POE POE system shown in embodiment of the present invention Fig. 6
Net method of supplying power to, the embodiment of the present invention additionally provide a kind of POE method, are applied in POE POE system
Power receiving equipment, as shown in fig. 7, methods described includes：
Step 701, transmit power consult request to power supply unit, carry the power receiving equipment in the power negotiations request
The demand operating power information for needing power supply unit to provide；
Step 702, the reception power supply unit ask, after the response message for sending, to send and consult according to the power negotiations
Determine power information to the power supply unit；
Step 703, according to described consult determine power information, itself working condition is adjusted.
In order to better illustrate a kind of POE method of the embodiment of the present invention, side of the embodiment of the present invention to illustrate
Formula illustrating how the method for realizing the embodiment of the present invention using Ethernet OAM message format, in POE system, as PD sets
The standby electrical characteristic of itself, when which needs to close some tasks or increases some working service, and needs to adjust itself
Operating power when, PD can active initiation power negotiations request, to realize the adjustment at any time of PD operating powers, such as Fig. 8 institutes
Show, PD actively initiates the process for realizing power negotiations between PSE and PD of power negotiations request and is：
PD transmit powers consult the Ethernet OAM message of request to PSE, represent PD equipment in the Ethernet OAM message
Value of the operating power of demand for Local POWER.
After PSE receives the Ethernet OAM message that PD transmit powers consult request, judge that this equipment can provide the power
When consulting the PD demand operating powers carried in request, Ethernet OAM response message is sent to the PD, in the Ethernet OAM
Be supplied to the value of watt level that PD uses for Local POWER as represented PSE device in response message, the performance number more than etc.
Operating power value in PD device requirements.
After PD receives PSE Ethernet OAM response messages, send comprising the Ethernet OAM report for consulting to determine power information
Text gives PSE；PD determines power information according to the negotiation simultaneously, and itself working condition is adjusted.
PSE receives determining after the Ethernet OAM message of power information comprising negotiation for PD transmissions, determines work(according to negotiation
Rate information is powered the adjustment of power；ALM is otherwise carried out.
In embodiments of the present invention, the locally stored distal power Remote POWER initial values of PD and PSE are 0, when connecing
When the Ethernet OAM message for receiving does not meet required message, continue to keep current message to send.
In embodiments of the present invention, when PD breaks down, it is desirable to when PSE stops power supply to which, then directly send to PSE and supply
Electricity stops request message, and PSE is received after the power supply stops request message and directly done power down process.
The embodiment of the present invention is realized, when the operating power of PD demands changes, asking by actively initiating power negotiations
Ask, to realize the adjustment at any time to PD operating powers, you can to meet the operating power requirements of PD, PSE can be enable to have again
The distribution according to need power of effect, improves the power utilization of PSE.Such as when the operating power of PD demands becomes hour, by power negotiations,
PSE can be with recovery section power, there is provided more PD are used；When the operating power of PD demands becomes big, by power negotiations, PSE
Power can be increased, PD is operated under the operating power of demand as far as possible, it is ensured that the good operation of PD；When PD has found equipment of itself
Failure needs out of service, it is desirable to which, when PSE stops powering which, PD can make power-off by power negotiations active request PSE
Action, improves the power utilization of PSE.
Embodiment 3
A kind of power supply unit of the embodiment of the present invention, can realize the side described in the embodiment of the present invention 1 on the power supply unit
Method, as shown in figure 9, the power supply unit 90 includes message sending module 901, message receiver module 902 and power regulation module
903,
The message sending module 901, consults request to power receiving equipment for transmit power, in the power negotiations request
Carry and connect the POE ports of the power receiving equipment currently available power information；
The message receiver module 902, the POE ports for receiving the power receiving equipment transmission are currently available
Power information meets the response message of itself operating power requirements；
The power regulation module 903, for after the message receiver module 902 receives the response message, root
Power adjustment is powered to the POE ports according to the response message.
On the basis of Fig. 9, as shown in Figure 10, power supply unit 90 also includes：
Alarm module 101, described for judging that the message receiver module 902 is not received within the cycle time of regulation
Currently available power information meets the response message of itself operating power requirements for the POE ports that power receiving equipment sends
When, generation system warning information.
The embodiment of the present invention additionally provides a kind of power receiving equipment, can realize the embodiment of the present invention 1 on the power receiving equipment
Described method, as shown in figure 11, the power receiving equipment 110 includes message receiver module 111 and message sending module 112,
The message receiver module 111, for receiving the power negotiations request of power supply unit transmission, the power negotiations please
The POE ports of the power supply unit being connected with this power receiving equipment currently available power information is carried in asking；
The message sending module 112, for judging the POE of the power supply unit carried in the power negotiations request
When the power information that port provides meets itself operating power requirements, response message is sent to the power supply unit.
On the basis of Figure 11, as shown in figure 12, power receiving equipment 110 also includes：
Adjusting module 123, for sending response message to the power supply unit in the message sending module, according to described
Response message, is adjusted to itself working condition.
Embodiment 4
The embodiment of the present invention provides a kind of power supply unit, can be realized described in the embodiment of the present invention 2 on the power supply unit
Method, as shown in figure 13, the power supply unit 130 include message sending module 131, message receiver module 132, power adjustment mould
Block 133 and alarm module 134,
The message receiver module 132, for receiving the power negotiations request of power receiving equipment transmission, the power negotiations please
Seek the middle demand operating power information for carrying the power receiving equipment；
The message sending module 131, for judging that this equipment can provide the institute carried in the power negotiations request
State power receiving equipment demand operating power information when, send response message to the power receiving equipment；
The message receiver module 132, is additionally operable to receive the power receiving equipment and send consult to determine power information；
The power regulation module 133, believes for receiving the determination power of consulting in the message receiver module 132
After breath, consult to determine the adjustment that power information is powered power according to described；
In the message sending module 131, the alarm module 134, for judging that this equipment can not provide the power
When consulting the demand operating power information of the power receiving equipment of carrying in request, ALM is carried out.
The embodiment of the present invention also provides a kind of power receiving equipment, can realize 2 institute of the embodiment of the present invention on the power receiving equipment
The method that states, as shown in figure 14, the power receiving equipment 140 includes message receiver module 141, message receiver module 142 and adjustment
Module 143,
The message sending module 141, consults request to power supply unit for transmit power, in the power negotiations request
Carry the demand operating power information that the power receiving equipment needs power supply unit to provide；
The message receiver module 142, asks the sound for sending for receiving the power supply unit according to the power negotiations
Answer information；
The message sending module 141, is additionally operable to the message receiver module 142 and receives the power supply unit according to described
After the response message that power negotiations request sends, send and consult to determine power information to the power supply unit；
The adjusting module 143, for consulting to determine power information according to described, is adjusted to itself working condition.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (14)
1. a kind of POE method, the power supply unit being applied in POE POE system, it is characterised in that described
Method includes：
Transmit power consults request to power receiving equipment, carries, in the power negotiations request, the POE for connecting the power receiving equipment
The current available power information in port；
Currently available power information meets itself work work(to judge to receive the POE ports that the power receiving equipment sends
During the response message of rate demand, power adjustment is powered according to the response message to the POE ports.
2. method according to claim 1, it is characterised in that it is described that the judgement receives that the power receiving equipment sends
POE ports currently available power information meet itself operating power requirements response message when, according to the response message
Power adjustment is powered to the POE ports, is specifically included：
If receiving the response message that the power receiving equipment is asked to send according to the power negotiations, according to the response message
Obtain and consult to determine power information, and consult to determine that power information is powered the POE ports power adjustment according to described；
The response message includes the power receiving equipment demand operating power information；The determination power information of consulting includes described receiving
Electric equipment demand operating power information.
3. method according to claim 1 and 2, it is characterised in that methods described also includes：
Judge not receive within the cycle time for setting POE ports that the power receiving equipment sends currently available work(
When rate information meets the response message of itself operating power requirements, generation system warning information.
4. method according to claim 3, it is characterised in that the power negotiations request adopts Operations, Administration and Maintenance
OAM message form.
5. a kind of POE method, the power receiving equipment being applied in POE POE system, it is characterised in that described
Method includes：
Receive the power negotiations request that power supply unit sends, carry in power negotiations request and be connected with this power receiving equipment
The current available power information in the POE ports of the power supply unit；
Judge that the power information that the POE ports of the power supply unit carried in the power negotiations request provide meets itself work
During rate of doing work demand, response message is sent to the power supply unit；The response message includes the power receiving equipment demand work
Rate of doing work information；The power receiving equipment demand operating power information can be currently carried less than or equal to the POE ports of the power supply unit
For power information.
6. a kind of POE method, method according to claim 5, it is characterised in that the judgement power
The power information for consulting the POE ports offer of the power supply unit of carrying in request disclosure satisfy that itself operating power requirements
When, after sending response message to the power supply unit, also include：
The power receiving equipment is adjusted to itself working condition according to the response message.
7. a kind of POE method, the power supply unit being applied in POE POE system, it is characterised in that described
Method includes：
The power negotiations request that power receiving equipment sends is received, the demand work of the power receiving equipment in the power negotiations request, is carried
Rate of doing work information；
Judge that this equipment can provide the demand operating power information of the power receiving equipment carried in the power negotiations request
When, response message is sent to the power receiving equipment, and after the power receiving equipment transmission negotiation determination power information is received, according to
The negotiation determines that power information is powered the adjustment of power；ALM is otherwise carried out.
8. a kind of POE method, the power receiving equipment being applied in POE POE system, it is characterised in that described
Method includes：
Transmit power consults request to power supply unit, and carrying the power receiving equipment in the power negotiations request needs power supply unit
The demand operating power information of offer；
Receive the power supply unit to be asked after the response message for sending according to the power negotiations, send and consult to determine power information
Give the power supply unit；
Consult to determine power information according to described, itself working condition is adjusted.
9. a kind of power supply unit, it is characterised in that including message sending module, message receiver module and power regulation module,
The message sending module, consults request to power receiving equipment for transmit power, carries in the power negotiations request
Connect the POE ports of the power receiving equipment currently available power information；
The message receiver module, for receiving the POE ports of the power receiving equipment transmission, currently available power is believed
Breath meets the response message of itself operating power requirements；
The power regulation module, for after the message receiver module receives the response message, according to the response
Information is powered power adjustment to the POE ports.
10. power supply unit according to claim 9, it is characterised in that the power supply unit also includes：
Alarm module, sends out for judging that the message receiver module does not receive the power receiving equipment within the cycle time of regulation
The POE ports that send currently available power information meet itself operating power requirements response message when, generation system
Warning information.
11. a kind of power receiving equipments, it is characterised in that the power receiving equipment includes message receiver module and message sending module,
The message receiver module, for receiving the power negotiations request of power supply unit transmission, takes in the power negotiations request
With the current available power information in the POE ports of the power supply unit being connected with this power receiving equipment；
The message sending module, for judging that the POE ports of the power supply unit carried in the power negotiations request carry
For power information meet itself operating power requirements when, send response message to the power supply unit.
12. power receiving equipments according to claim 11, it is characterised in that the power receiving equipment also includes：
Adjusting module, for sending response message to the power supply unit in the message sending module, believes according to the response
Breath, is adjusted to itself working condition.
13. a kind of power supply units, it is characterised in that the power supply unit includes message sending module, message receiver module, power
Adjusting module and alarm module,
The message receiver module, for receiving the power negotiations request of power receiving equipment transmission, takes in the power negotiations request
Demand operating power information with the power receiving equipment；
The message sending module, is set by electricity described in carrying for judging that this equipment can be provided in the power negotiations request
During standby demand operating power information, response message is sent to the power receiving equipment；
The message receiver module, is additionally operable to receive the power receiving equipment and send consult to determine power information；
The power regulation module, for the message receiver module receive described consult determine power information after, according to
The negotiation determines that power information is powered the adjustment of power；
In the message sending module, the alarm module, for judging that this equipment can not be provided in the power negotiations request
During the demand operating power information of the power receiving equipment for carrying, ALM is carried out.
14. a kind of power receiving equipments, it is characterised in that the power receiving equipment includes message receiver module, message receiver module and tune
Mould preparation block,
The message sending module, consults request to power supply unit for transmit power, carries institute in the power negotiations request
State the demand operating power information that power receiving equipment needs power supply unit to provide；
The message receiver module, asks the response message for sending for receiving the power supply unit according to the power negotiations；
The message sending module, being additionally operable to the message receiver module reception power supply unit please according to the power negotiations
After seeking the response message of transmission, send and consult to determine power information to the power supply unit；
The adjusting module, for consulting to determine power information according to described, is adjusted to itself working condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915942.1A CN106506172B (en) | 2016-10-20 | 2016-10-20 | A kind of Power over Ethernet method, power supply unit and power receiving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915942.1A CN106506172B (en) | 2016-10-20 | 2016-10-20 | A kind of Power over Ethernet method, power supply unit and power receiving equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106506172A true CN106506172A (en) | 2017-03-15 |
| CN106506172B CN106506172B (en) | 2019-10-25 |
Family
ID=58318111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610915942.1A Active CN106506172B (en) | 2016-10-20 | 2016-10-20 | A kind of Power over Ethernet method, power supply unit and power receiving equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106506172B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964928A (en) * | 2018-07-05 | 2018-12-07 | 凌云天博光电科技股份有限公司 | A kind of wireless MOCA terminal device, feed equipment and its adaptive feed method |
| 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 |
| CN111817863A (en) * | 2020-06-19 | 2020-10-23 | 新华三信息安全技术有限公司 | Power management method and 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 |
| CN113872773A (en) * | 2020-06-30 | 2021-12-31 | 华为技术有限公司 | Power negotiation method for power over Ethernet, power supply equipment, power supply system and storage medium |
| CN115695060A (en) * | 2022-12-28 | 2023-02-03 | 苏州浪潮智能科技有限公司 | Power-off protection method, device, equipment and storage medium |
Citations (2)
| 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 |
| CN104247330A (en) * | 2013-04-17 | 2014-12-24 | 柏思科技有限公司 | Methods and systems for supplying and receiving power over ethernet |
-
2016
- 2016-10-20 CN CN201610915942.1A patent/CN106506172B/en active Active
Patent Citations (2)
| 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 |
| CN104247330A (en) * | 2013-04-17 | 2014-12-24 | 柏思科技有限公司 | Methods and systems for supplying and receiving power over ethernet |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109698755B (en) * | 2017-10-23 | 2021-12-14 | 华为技术有限公司 | Power supply control method, power supply device and power receiving device |
| CN108964928A (en) * | 2018-07-05 | 2018-12-07 | 凌云天博光电科技股份有限公司 | A kind of wireless MOCA terminal device, feed equipment and its adaptive feed method |
| CN108964928B (en) * | 2018-07-05 | 2020-12-25 | 凌云天博光电科技股份有限公司 | Wireless MOCA terminal equipment, feed equipment and self-adaptive feed method thereof |
| 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 |
| CN111817863A (en) * | 2020-06-19 | 2020-10-23 | 新华三信息安全技术有限公司 | Power management method and equipment |
| CN113872773A (en) * | 2020-06-30 | 2021-12-31 | 华为技术有限公司 | Power negotiation method for power over Ethernet, power supply equipment, power supply system and storage medium |
| CN115695060A (en) * | 2022-12-28 | 2023-02-03 | 苏州浪潮智能科技有限公司 | Power-off protection method, device, equipment and storage medium |
| WO2024139076A1 (en) * | 2022-12-28 | 2024-07-04 | 苏州元脑智能科技有限公司 | Power-off protection method and apparatus, and device and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106506172B (en) | 2019-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106506172A (en) | A kind of POE method, power supply unit and power receiving equipment | |
| CN105357116B (en) | A kind of method and intelligent terminal of multiple terminal access server | |
| CN110782367A (en) | Low-voltage power distribution Internet of things system and equipment plug-and-play method | |
| Ho et al. | Green distributed routing protocol for sleep coordination in wired core networks | |
| CN201294536Y (en) | Ethernet power receiving equipment and Ethernet electric power system | |
| CN106330468B (en) | A kind of Power over Ethernet device and Power over Ethernet method | |
| CN102299807B (en) | POE system realized on MicroTCA and management method thereof | |
| CN101009588B (en) | Method and system for configuring the distributed proxy server information | |
| CN106341468B (en) | Remote awakening method, device and system of intelligent equipment | |
| CN109743401A (en) | A kind of intelligent device management system based on Internet of Things edge calculations server | |
| CN103916936B (en) | Realize method, system and mobile terminal, the server of data connection long | |
| CN103312528A (en) | Heartbeat message sending method and user terminal | |
| CN108243026A (en) | Lan device communication management method, system and gateway device | |
| CN107559182A (en) | A kind of water pump control method and control system | |
| CN104125076A (en) | POE (Power Over Ethernet) multimedia terminal | |
| CN104486174A (en) | Networking method and networking device for intelligent terminals | |
| CN104618123B (en) | A kind of method of supplying power to and device | |
| CN103139028A (en) | Intelligent home energy management system based on G.hn | |
| CN103002548B (en) | The method of the connection of mobile terminal and maintenance mobile terminal and application server | |
| CN103313425B (en) | Establish implementation method, the apparatus and system of service chaining | |
| CN108234623B (en) | Automatic balance management method for data acquisition link of distribution network master station | |
| CN103067183A (en) | Ethernet power supply device and method thereof | |
| CN102651709A (en) | Power-saving exchanger and power-saving method thereof | |
| CN112910959B (en) | SDN-based network interconnection method for multiple Kubernetes clusters | |
| CN203014835U (en) | Ethernet power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 610041 15-24 floor, 1 1 Tianfu street, Chengdu high tech Zone, Sichuan Applicant after: MAIPU COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: No. 16, nine Xing Avenue, Chengdu high tech Zone, Sichuan Province Applicant before: MAIPU COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 610041 nine Xing Xing Road 16, hi tech Zone, Sichuan, Chengdu Patentee after: MAIPU COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 610041 15-24 floor, 1 1 Tianfu street, Chengdu high tech Zone, Sichuan Patentee before: MAIPU COMMUNICATION TECHNOLOGY Co.,Ltd. |