CN102025509A - Power-off control method and device - Google Patents
Power-off control method and device Download PDFInfo
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- CN102025509A CN102025509A CN2010105393812A CN201010539381A CN102025509A CN 102025509 A CN102025509 A CN 102025509A CN 2010105393812 A CN2010105393812 A CN 2010105393812A CN 201010539381 A CN201010539381 A CN 201010539381A CN 102025509 A CN102025509 A CN 102025509A
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Abstract
The invention discloses a power-off control method and a device for preventing power supply oscillation of Power over Ethernet (PoE) equipment. The power-off control method comprises the steps of: determining the difference between a total consumed power and a preset threshold value when the total power consumed by all ports of the current PoE equipment is larger than or equal to the preset threshold value, sequentially selecting port signs according to power supply priorities of the ports of the PoE equipment from low to high, and adding the selected port signs in a preset list of the ports to be closed until the total power consumed by all the ports corresponding to all the port signs in the list is larger than or equal to the difference, and sequentially taking the port signs from the list according to the priorities from high to low, and determining whether the ports corresponding to the currently taken port signs are powered off according to a comparison result between the total consumed power of the ports corresponding to the residual port signs in the list and the difference every time one port sign is taken out.
Description
Technical field
The present invention relates to Power over Ethernet (PoE, Power over Ethernet) technical field, relate in particular to a kind of circuit breaking controlling method and device.
Background technology
Power over Ethernet (PoE, Power over Ethernet), be meant power supply unit (PSE, Power Supply Equipment) by Ethernet electricity mouth, power receiving equipment (the PD that utilizes twisted-pair feeder that the network far-end is hung down, Power Device) powers, to realize the mechanism of power supply and data parallel transmission.
Support the Ethernet switch of PoE function, can be by the externally power supply simultaneously of a plurality of ports, and the power receiving equipment on the network no longer needs external power supply, connection is simpler and more direct to reach, power management effect more easily.
But, the AC power of switch or DC power supply (UPS) often can not guarantee that all of the port can both provide maximum power (for example 30 watts), when the port consumed power surpasses maximum power, exchange opportunity is according to the order of port priority, the port of turning off low priority is lower than the available horsepower of PoE equipment up to the gross power of all of the port consumption.After this, under the constant condition of port consumed power, some firm pent ports are powered again again, and these ports power on after being closed soon again, can produce the power supply power supply shake of this port.
Summary of the invention
The embodiment of the invention provides a kind of circuit breaking controlling method and device, in order to avoid the power supply shake of PoE equipment.
A kind of circuit breaking controlling method that the embodiment of the invention provides comprises:
The gross power that current Power over Ethernet PoE equipment all of the port consumes is determined the difference between the two during more than or equal to predetermined threshold value;
Order from low to high according to the power supply priority of PoE device port, select port-mark successively, and all of the port identifies the gross power that corresponding port consumes in described tabulation, more than or equal to described difference in the close port tabulation to add the port-mark of selecting to default treat;
Order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, according to the gross power of remaining port sign corresponding port consumption in the described tabulation and the comparative result between the described difference, determine whether port-mark corresponding port outage with current taking-up.
A kind of power-down control device that the embodiment of the invention provides comprises:
Determining unit when being used for gross power that current Power over Ethernet PoE equipment all of the port consumes more than or equal to predetermined threshold value, is determined the difference between the two;
Adding device, be used for order from low to high according to the power supply priority of PoE device port, select port-mark successively, and add the port-mark of selecting to default treat in the close port tabulation, the gross power that all of the port sign corresponding port consumes in described tabulation is more than or equal to described difference;
The outage selected cell, be used for order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, according to the gross power of remaining port sign corresponding port consumption in the described tabulation and the comparative result between the described difference, determine whether port-mark corresponding port outage with current taking-up.
The embodiment of the invention, the gross power that current Power over Ethernet PoE equipment all of the port consumes are determined the difference between the two during more than or equal to predetermined threshold value; Order from low to high according to the power supply priority of PoE device port, select port-mark successively, and all of the port identifies the gross power that corresponding port consumes in described tabulation, more than or equal to described difference in the close port tabulation to add the port-mark of selecting to default treat; Order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, according to the gross power of remaining port sign corresponding port consumption in the described tabulation and the comparative result between the described difference, determine whether port-mark corresponding port outage with current taking-up, thereby be implemented in the port of those lower priorities and select the port that need be de-energized, and cut off the power supply, and need not outage for the less port of those consumed powers, avoided the power supply shake of PoE equipment.
Description of drawings
The schematic flow sheet of the circuit breaking controlling method that Fig. 1 provides for the embodiment of the invention;
The switch that Fig. 2 provides for the embodiment of the invention and the connection diagram of powered device PD;
The schematic flow sheet of the circuit breaking controlling method that Fig. 3 provides for the embodiment of the invention;
The structural representation of the power-down control device that Fig. 4 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of circuit breaking controlling method and device, in order to avoid the power supply shake of PoE equipment.
The outage controlling schemes that the embodiment of the invention provides, find out the port that needs powered-down in the PoE equipment, only close the power supply of these ports, so that the gross power of all of the port is less than with the available maximum gross power of PoE equipment, thereby avoid the power supply shake of some lower priority port, and avoid the port of unnecessary outage is cut off the power supply.
The described PoE equipment of the embodiment of the invention can be supported the Ethernet switch of PoE function, also can support the equipment of PoE function for other, for example trunking etc.In the embodiment of the invention, be that example describes with the Ethernet switch of supporting the PoE function.
Below in conjunction with accompanying drawing the technology side that the embodiment of the invention provides is described.
Referring to Fig. 1, a kind of circuit breaking controlling method that the embodiment of the invention provides comprises step:
The gross power that S101, current Power over Ethernet PoE equipment all of the port consume is determined the difference between the two during more than or equal to predetermined threshold value.
Described predetermined threshold value, the maximum available power (hereinafter to be referred as available horsepower) that is used to protect the normal operation of PoE equipment that promptly sets in advance.
S102, according to the order from low to high of the power supply priority of PoE device port, select port-mark successively, and add the port-mark of selecting to default treat in the close port tabulation, the gross power that all of the port sign corresponding port consumes in described tabulation is more than or equal to the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value.
S103, according to the order from high to low of described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, comparative result between the gross power that the gross power that consumes according to remaining port sign corresponding port in the described tabulation and current PoE equipment all of the port consume and the difference of predetermined threshold value determines whether the port-mark corresponding port of current taking-up is cut off the power supply.
Preferably, comparative result between the gross power of the described gross power that consumes according to remaining port sign corresponding port in the described tabulation and the consumption of current PoE equipment all of the port and the difference of predetermined threshold value, determine whether the port-mark corresponding port outage of current taking-up is comprised:
Judge the gross power that remaining port sign corresponding port consumes in the described tabulation, the whether gross power that consumes more than or equal to current PoE equipment all of the port and the difference of predetermined threshold value, if, then keep the port-mark corresponding port of current taking-up to continue power supply, otherwise, with the port-mark corresponding port outage of current taking-up, upgrade the gross power that current PoE equipment all of the port consumes then.
Preferably, this method also comprises:
Be updated periodically described priority.
Preferably, described priority is that the port-mark according to the PoE device port sets in advance, or set in advance according to the user name of the powered device PD that inserts from the PoE device port.
That is to say that the embodiment of the invention is avoided the port power supply shake of lower priority for when PoE power devices gross power transfinites, the technical scheme that provides comprises:
Step 1, at first reads total consumed power (hereinafter to be referred as current power) of current all of the port, judges whether current power surpasses available horsepower.If then execution in step two.
In step 2, the normal port of power supply beyond treating the close port tabulation, seek the lowest priority port, and the close port tabulation is treated in this port adding.
When initial, treat that the close port tabulation is for empty.
Total consumed power of all of the port in the close port tabulation is treated in step 3, calculating, judge that this consumed power is whether more than or equal to the difference of current power and available horsepower, if, then execution in step four, otherwise, execution in step two promptly continues to add port in treating the close port tabulation, and total consumed power of all of the port is more than or equal to the difference of current power and available horsepower in treating the close port tabulation.
The difference of current power described in the embodiment of the invention and available horsepower is that current power deducts the resulting value of available horsepower, and this value may be positive number, also may be negative.
If step 4 treats that the close port tabulation is not for empty, then in treating the close port tabulation, seek the port of limit priority, and in treating the close port tabulation, remove this port, calculate new total consumed power for the treatment of all of the port in the close port tabulation then whether more than or equal to the difference of current power and available horsepower, if then keep this port to continue power supply; Otherwise, with this port shutdown, and the value of renewal current power and the difference of current power and available horsepower, continue execution in step four then, promptly continue from treat the close port tabulation, to take out port, and whether the port that judge to take out need to be de-energized, and all of the port all is removed in treating the close port tabulation, treats that promptly the close port tabulation is for till the sky.
The epicycle finishing scheduling.
That is to say, in the embodiment of the invention, set in advance one and treat the close port tabulation, under the situation of current power, select to need to add the port of this tabulation earlier, select the port that need be de-energized again in the port from this tabulation greater than available horsepower.
Illustrate:
Annexation with switch shown in Fig. 2 and power receiving equipment is an example, the embedded PSE supply module of PoE switch, available horsepower (Wpse) is 200 watts (W), and PD1, PD2......PD16 are respectively the PD by port one-16 time extension, and each bar link is finished the function of power supply and transfer of data simultaneously.
The priority of supposing all PD configurations is identical, and port numbers is big more, and then corresponding port priority is more little.At this moment, current power (Wcurrent) is 216W, wherein total consumed power of the PD of 1-12 port correspondence is 193W, the power that the PD13 of port one 3 correspondences consumes is 8W, the power that the PD14 of port one 4 correspondences consumes is 2W, the power that the PD15 of port one 5 correspondences consumes is 10W, and the power that the PD16 of port one 6 correspondences consumes is 3W.
At this moment, current power need be closed some ports to guarantee that current power is less than available horsepower greater than available horsepower.If the employing prior art, then back four ports, promptly port one 3-16 needs to be closed, and port one 4,16 may be re-powered afterwards.
And, having only port one 3 and 15 to be closed according to the technical scheme that the embodiment of the invention provides, port one 4 and 16 can keep normal.Concrete outage control flow comprises referring to Fig. 3:
Determine that current power is 216W,, then begin scheduling greater than available horsepower 200W.
At first lowest priority port one 6 is added and treat the close port tabulation, total consumed power of then treating the port in the close port tabulation is 3W, be lower than the poor Wneed of current power and available horsepower, wherein, Wneed=Wcurrent-Wpse=16W, then, continue to seek the low priority port, successively all be added into up to port one 5,14,13 and treat the close port tabulation, treat that total consumed power of all of the port in the close port tabulation is 23W this moment, be higher than Wneed.
Treat that the limit priority port is 13 in the close port tabulation, total consumed power for the treatment of all of the port in the close port tabulation of removing behind this port is 15W, less than Wneed, so, the power supply supply of close port 13.This moment, Wcurrent was updated to 208W, and Wneed is updated to 8W.
Treat that close port tabulation medium priority most significant end mouth is 14, total consumed power for the treatment of all of the port in the close port tabulation of removing behind this port is 13W, greater than Wneed, so port one 4 does not need to be closed.This moment, Wcurrent still was 208W, and Wneed is 8W.
Treat that close port tabulation medium priority most significant end mouth is 15, total consumed power for the treatment of all of the port in the close port tabulation of removing behind this port is 3W, less than Wneed, so in like manner, needs the power supply supply of close port 15.This moment, Wcurrent was updated to 198W, and Wneed is updated to-2W.
Treat that close port tabulation medium priority most significant end mouth is 16, total consumed power for the treatment of all of the port in the close port tabulation of removing behind this port is 0W, greater than Wneed, so port one 6 does not need to be closed.Wait to close tabulation this moment for empty, processing finishes.
The epicycle finishing scheduling, this moment, Wcurrent was 198W, was lower than Wpse (200W), service restoration is normal.
PD described in the embodiment of the invention can be an IP phone, also can be the first-class equipment of shooting.
Referring to Fig. 4, a kind of power-down control device that the embodiment of the invention provides comprises:
Determining unit 101 when being used for gross power that current Power over Ethernet PoE equipment all of the port consumes more than or equal to predetermined threshold value, is determined the difference between the two.
Adding device 102, be used for order from low to high according to the power supply priority of PoE device port, select port-mark successively, and add the port-mark of selecting to default treat in the close port tabulation, the gross power that all of the port sign corresponding port consumes in described tabulation is more than or equal to the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value.
Outage selected cell 103, be used for order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, comparative result between the gross power that the gross power that consumes according to remaining port sign corresponding port in the described tabulation and current PoE equipment all of the port consume and the difference of predetermined threshold value determines whether the port-mark corresponding port of current taking-up is cut off the power supply.
Preferably, described outage selected cell 103 comprises:
Choose judging unit 201, be used for order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, judge the gross power that remaining port sign corresponding port consumes in the described tabulation, whether more than or equal to the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value, if, then keep the port-mark corresponding port of current taking-up to continue power supply, otherwise, power down process unit 202 triggered.
Power down process unit 202 is used for the described port-mark corresponding port of choosing judging unit 201 current taking-ups is cut off the power supply, and upgrades the gross power that current PoE equipment all of the port consumes then.
Preferably, this device also comprises:
Priority maintenance unit 104 is used to be provided with described priority, and is updated periodically described priority.
Preferably, described priority maintenance unit 104 is the port-marks according to the PoE device port, or according to the user name of the powered device PD that inserts from the PoE device port, is provided with and is updated periodically described priority.
Preferably, described PoE equipment is switch or trunking.
In sum, the embodiment of the invention, the gross power of determining current PoE equipment all of the port consumption is more than or equal to predetermined threshold value; Order from low to high according to the power supply priority of PoE device port, select port-mark successively, and the close port for the treatment of that the port-mark adding of selecting is default is tabulated, the gross power that all of the port sign corresponding port consumes in described tabulation is more than or equal to the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value; Order from high to low according to described priority, from described tabulation, take out port-mark successively, and gross power by remaining port sign corresponding port in the described tabulation is consumed, compare with the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value, determine whether port-mark corresponding port outage with current taking-up, thereby be implemented in the port of those lower priorities and select the port that need be de-energized, and cut off the power supply, and need not outage for the less port of those consumed powers, avoided the power supply shake of PoE equipment.
The present technique field personnel will be appreciated that, the scope of application of low priority port power supply shake not only was confined to use switch networking system when realization of the present invention avoided PoE power supply gross power to transfinite, and also extended to the application scenario that other adopt the PoE power supply.This paper tells about the formation of employing, also can adopt realization means such as storehouse, flag bit etc. can add port and remove.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a circuit breaking controlling method is characterized in that, this method comprises:
The gross power that current Power over Ethernet PoE equipment all of the port consumes is determined the difference between the two during more than or equal to predetermined threshold value;
Order from low to high according to the power supply priority of PoE device port, select port-mark successively, and all of the port identifies the gross power that corresponding port consumes in described tabulation, more than or equal to described difference in the close port tabulation to add the port-mark of selecting to default treat;
Order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, according to the gross power of remaining port sign corresponding port consumption in the described tabulation and the comparative result between the described difference, determine whether port-mark corresponding port outage with current taking-up.
2. method according to claim 1, it is characterized in that, described according to the gross power of remaining port sign corresponding port consumption in the described tabulation and the comparative result between the described difference, determine whether the port-mark corresponding port outage of current taking-up is comprised:
Judge the gross power that remaining port sign corresponding port consumes in the described tabulation, the whether gross power that consumes more than or equal to current PoE equipment all of the port and the difference of predetermined threshold value, if, then keep the port-mark corresponding port of current taking-up to continue power supply, otherwise, with the port-mark corresponding port outage of current taking-up, upgrade the gross power that current PoE equipment all of the port consumes then.
3. method according to claim 1 and 2 is characterized in that, this method also comprises:
Be updated periodically described priority.
4. method according to claim 3 is characterized in that, described priority is that the port-mark according to the PoE device port sets in advance, or set in advance according to the user name of the powered device PD that inserts from the PoE device port.
5. method according to claim 4 is characterized in that, described PoE equipment is switch or trunking.
6. a power-down control device is characterized in that, this device comprises:
Determining unit when being used for gross power that current Power over Ethernet PoE equipment all of the port consumes more than or equal to predetermined threshold value, is determined the difference between the two;
Adding device, be used for order from low to high according to the power supply priority of PoE device port, select port-mark successively, and add the port-mark of selecting to default treat in the close port tabulation, the gross power that all of the port sign corresponding port consumes in described tabulation is more than or equal to described difference;
The outage selected cell, be used for order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, according to the gross power of remaining port sign corresponding port consumption in the described tabulation and the comparative result between the described difference, determine whether port-mark corresponding port outage with current taking-up.
7. device according to claim 6 is characterized in that, described outage selected cell comprises:
Choose judging unit, be used for order from high to low according to described priority, from described tabulation, take out port-mark successively, and when port-mark of every taking-up, judge the gross power that remaining port sign corresponding port consumes in the described tabulation, whether more than or equal to the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value, if, then keep the port-mark corresponding port of current taking-up to continue power supply, otherwise, the power down process unit triggered;
The power down process unit is used for the described port-mark corresponding port of choosing the current taking-up of judging unit is cut off the power supply, and upgrades the gross power that current PoE equipment all of the port consumes then.
8. according to claim 6 or 7 described devices, it is characterized in that this device also comprises:
The priority maintenance unit is used to be provided with described priority, and is updated periodically described priority.
9. device according to claim 8, it is characterized in that described priority maintenance unit is the port-mark according to the PoE device port, or according to the user name of the powered device PD that inserts from the PoE device port, be provided with and be updated periodically described priority.
10. device according to claim 9 is characterized in that, described PoE equipment is switch or trunking.
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| CN201010539381.2A CN102025509B (en) | 2010-11-10 | 2010-11-10 | Power-off control method and device |
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| CN201010539381.2A CN102025509B (en) | 2010-11-10 | 2010-11-10 | Power-off control method and device |
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| CN102025509A true CN102025509A (en) | 2011-04-20 |
| CN102025509B CN102025509B (en) | 2014-07-16 |
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| CN102856878A (en) * | 2011-06-28 | 2013-01-02 | 英业达股份有限公司 | Overcurrent and overpower protection device |
| CN103546301A (en) * | 2013-10-30 | 2014-01-29 | 上海斐讯数据通信技术有限公司 | Method and system for POE system to carry out overload protection on equipment |
| CN103701618A (en) * | 2013-12-27 | 2014-04-02 | 上海斐讯数据通信技术有限公司 | POE (power over Ethernet) switch port setting power limiting value validating method |
| CN103873263A (en) * | 2014-03-27 | 2014-06-18 | 浙江宇视科技有限公司 | Method and device for supplying electricity based on POE |
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| CN104219062A (en) * | 2014-08-20 | 2014-12-17 | 烽火通信科技股份有限公司 | POE power scheduling management method based on ONU ports |
| WO2015196677A1 (en) * | 2014-06-27 | 2015-12-30 | 中兴通讯股份有限公司 | Method for supplying power to powered devices by pse and ethernet pse |
| CN105528011A (en) * | 2016-01-29 | 2016-04-27 | 宇龙计算机通信科技(深圳)有限公司 | Circuit control method and device |
| CN103543765B (en) * | 2012-07-13 | 2017-02-08 | 中兴通讯股份有限公司 | Method and device for controlling temperature of power over Ethernet system |
| US9671848B2 (en) | 2013-06-11 | 2017-06-06 | Hon Hai Precision Industry Co., Ltd. | Redundant power supply circuit, power over Ethernet system, and method |
| CN107276778A (en) * | 2016-04-06 | 2017-10-20 | 中兴通讯股份有限公司 | A kind of method and apparatus of port controlling |
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| WO2018090695A1 (en) * | 2016-11-16 | 2018-05-24 | 杭州海康威视数字技术股份有限公司 | Power control method, device and electronic equipment in ethernet power supply system |
| CN108762137A (en) * | 2018-05-17 | 2018-11-06 | 广东美的制冷设备有限公司 | Intelligent power-off method, device, intelligent socket and the storage medium of intelligent socket |
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| CN110609495A (en) * | 2018-06-15 | 2019-12-24 | 飞宏科技股份有限公司 | Power supply equipment controller with low standby voltage for power over Ethernet and control method |
| CN111064584A (en) * | 2019-12-13 | 2020-04-24 | 京信通信系统（中国）有限公司 | Switch POE power supply abnormity recovery method and device and switch |
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