CN102025509B - Power-off control method and device - Google Patents
Power-off control method and device Download PDFInfo
- Publication number
- CN102025509B CN102025509B CN201010539381.2A CN201010539381A CN102025509B CN 102025509 B CN102025509 B CN 102025509B CN 201010539381 A CN201010539381 A CN 201010539381A CN 102025509 B CN102025509 B CN 102025509B
- Authority
- CN
- China
- Prior art keywords
- port
- power
- mark
- list
- poe
- 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.)
- Expired - Fee Related
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
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), refer to power supply unit (PSE, Power Supply Equipment) by Ethernet electricity mouthful, utilize twisted-pair feeder to the power receiving equipment (PD hanging under network far-end, Power Device) power, to realize the mechanism of power supply and data parallel transmission.
Support the Ethernet switch of PoE function, can be by multiple ports supplying power for outsides simultaneously, and power receiving equipment on network no longer needs external power supply, and to reach, connection is simpler and more direct, power management effect more easily.
But, the AC power of switch or DC power supply (UPS) often can not ensure that all of the port can provide maximum power (for example 30 watts), in the time that port consumed power exceedes maximum power, exchange opportunity is according to the order of port priority, turn off the port of low priority, until the gross power that all of the port consumes is lower than the available horsepower of PoE equipment.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 shake of this port.
Summary of the invention
The embodiment of the present 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 present invention provides comprises:
When the gross power of current Power over Ethernet PoE equipment all of the port consumption is more than or equal to predetermined threshold value, determine the difference between the two;
According to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and add the port-mark of selection to default treat in close port list, until all of the port identifies the gross power that corresponding port consumes in described list, be more than or equal to described difference;
According to the order from high to low of described priority, from described list, take out port-mark successively, and in the time of a port-mark of every taking-up, identify the comparative result between gross power and the described difference that corresponding port consumes according to remaining port in described list, determine whether port the power-off corresponding port-mark of current taking-up.
A kind of power-down control device that the embodiment of the present invention provides comprises:
Determining unit, while being more than or equal to predetermined threshold value, determines the difference between the two for the gross power of current Power over Ethernet PoE equipment all of the port consumption;
Adding device, be used for according to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and add the port-mark of selection to default treat in close port list, until all of the port identifies the gross power that corresponding port consumes in described list, be more than or equal to described difference;
Power-off selected cell, be used for according to the order from high to low of described priority, from described list, take out port-mark successively, and in the time of a port-mark of every taking-up, identify the comparative result between gross power and the described difference that corresponding port consumes according to remaining port in described list, determine whether port the power-off corresponding port-mark of current taking-up.
The embodiment of the present invention, when the gross power of current Power over Ethernet PoE equipment all of the port consumption is more than or equal to predetermined threshold value, determines the difference between the two; According to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and add the port-mark of selection to default treat in close port list, until all of the port identifies the gross power that corresponding port consumes in described list, be more than or equal to described difference; According to the order from high to low of described priority, from described list, take out port-mark successively, and in the time of a port-mark of every taking-up, identify the comparative result between gross power and the described difference that corresponding port consumes according to remaining port in described list, determine whether port the power-off corresponding port-mark of current taking-up, in the port of those lower priorities, select the port that need to be de-energized thereby realize, and carry out power-off, and for the less port of those consumed powers without power-off, avoided the power supply shake of PoE equipment.
Brief description of the drawings
The schematic flow sheet of the circuit breaking controlling method that Fig. 1 provides for the embodiment of the present invention;
The switch that Fig. 2 provides for the embodiment of the present 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 present invention;
The structural representation of the power-down control device that Fig. 4 provides for the embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of circuit breaking controlling method and device, in order to avoid the power supply shake of PoE equipment.
The power-off control program that the embodiment of the present invention provides, find out the port that needs powered-down in 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 power-off to carry out power-off.
PoE equipment described in the embodiment of the present invention, can, for supporting the Ethernet switch of PoE function, also can support for other equipment of PoE function, such as trunking etc.In the embodiment of the present invention, describe as an example of the Ethernet switch of supporting PoE function example.
The technical side who the embodiment of the present invention is provided below in conjunction with accompanying drawing describes.
Referring to Fig. 1, a kind of circuit breaking controlling method that the embodiment of the present invention provides, comprises step:
When the gross power of S101, the consumption of current Power over Ethernet PoE equipment all of the port is more than or equal to predetermined threshold value, determine the difference between the two.
Described predetermined threshold value, the maximum available power (hereinafter to be referred as available horsepower) for the protection of the normal operation of PoE equipment setting in advance.
S102, according to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and add the port-mark of selection to default treat in close port list, until all of the port identifies the gross power that corresponding port consumes in described list, be 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 list, take out port-mark successively, and in the time of a port-mark of every taking-up, identify the comparative result between the gross power of corresponding port consumption and gross power and the difference of predetermined threshold value of the consumption of current PoE equipment all of the port according to remaining port in described list, determine whether port the power-off corresponding port-mark of current taking-up.
Preferably, comparative result between described gross power and the difference of predetermined threshold value that identifies gross power that corresponding port consumes and the consumption of current PoE equipment all of the port according to remaining port in described list, determine whether, by port the power-off corresponding port-mark of current taking-up, to comprise:
Judge that in described list, remaining port identifies the gross power that corresponding port consumes, whether be 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, keep the port corresponding to port-mark of current taking-up to continue power supply, otherwise, by port the power-off corresponding port-mark of current taking-up, then upgrade the gross power that current PoE equipment all of the port consumes.
Preferably, the method also comprises:
Be updated periodically described priority.
Preferably, described priority, is to set in advance according to the port-mark of PoE device port, or set in advance according to the user name of the powered device PD from the access of PoE device port.
That is to say, the embodiment of the present invention, in the time that PoE equipment power supply gross power transfinites, is avoided the port power supply shake of lower priority, and the technical scheme providing comprises:
Step 1, first, reads total consumed power (hereinafter to be referred as current power) of current all of the port, judges whether current power exceedes available horsepower.If so, perform step two.
Step 2, in the normal port of power supply for the treatment of beyond close port list, find lowest priority port, and this port added and treats close port list.
When initial, treat that close port list is for empty.
Total consumed power of all of the port in close port list is treated in step 3, calculating, judge whether this consumed power is more than or equal to the difference of current power and available horsepower, if, perform step four, otherwise, execution step two, continues to treating to add port in close port list, until treat that total consumed power of all of the port in close port list is more than or equal to the difference of current power and available horsepower.
The difference of the current power described in the embodiment of the present invention and available horsepower, is that current power deducts the value that available horsepower obtains, and this value may be positive number, may be also negative.
If step 4 treats that close port list is not for empty, at the port for the treatment of to find in close port list limit priority, and treating to remove this port in close port list, then calculate and new treat whether total consumed power of all of the port in close port list is more than or equal to the difference of current power and available horsepower, if so, keep this port to continue power supply; Otherwise, by this port shutdown, and upgrade the value of current power and the difference of current power and available horsepower, then continue execution step four, continue to take out port from treat close port list, and judge whether the port taking out needs to be de-energized, until treat that in close port list, all of the port is all removed, till treating that close port list is sky.
Epicycle finishing scheduling.
That is to say, in the embodiment of the present invention, set in advance one and treat close port list, in the situation that current power is greater than available horsepower, first select to add the port of this list, then in port from this list, select the port that need to be de-energized.
Illustrate:
Taking the annexation of the switch shown in Fig. 2 and power receiving equipment as example, the embedded PSE supply module of PoE switch, available horsepower (Wpse) is 200 watts (W), PD1, PD2......PD16 are respectively the PD hanging by port one-16 time, and each link completes the function of power supply and transfer of data simultaneously.
The priority of supposing all PD configurations is identical, and port numbers is larger, and corresponding port priority is less.Now, current power (Wcurrent) is 216W, total consumed power of the PD that wherein 1-12 port is corresponding 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.
Now, current power is greater than available horsepower, need to close some ports and be less than available horsepower to ensure current power.If employing prior art, rear four ports, port one 3-16 needs to be closed, and port one 4,16 may be re-powered afterwards.
And the technical scheme providing according to the embodiment of the present invention only has port one 3 and 15 to be closed, it is normal that port one 4 and 16 can keep.Concrete power-off control flow, referring to Fig. 3, comprising:
Determine that current power is 216W, be greater than available horsepower 200W, start scheduling.
First lowest priority port one 6 is added and treats close port list, total consumed power for the treatment of the port in close port list is 3W, lower than the poor Wneed of current power and available horsepower, wherein, Wneed=Wcurrent-Wpse=16W, then, continue to find low priority port, treat close port list until port one 5,14,13 is successively all added into, now treat that total consumed power of all of the port in close port list is 23W, higher than Wneed.
Treat that in close port list, limit priority port is 13, remove and treat that in close port list, total consumed power of all of the port is 15W after this port, be less than Wneed, so, the power supply supply of close port 13.Now Wcurrent is updated to 208W, and Wneed is updated to 8W.
Treat that close port list medium priority most significant end mouth is 14, remove and treat that in close port list, total consumed power of all of the port is 13W after this port, be greater than Wneed, so port one 4 does not need to be closed.Now Wcurrent is still 208W, and Wneed is 8W.
Treat that close port list medium priority most significant end mouth is 15, remove and treat that in close port list, total consumed power of all of the port is 3W after this port, be less than Wneed, so in like manner, need the power supply supply of close port 15.Now Wcurrent is updated to 198W, be updated to-2W of Wneed.
Treat that close port list medium priority most significant end mouth is 16, remove and treat that in close port list, total consumed power of all of the port is 0W after this port, be greater than Wneed, so port one 6 does not need to be closed.List now to be closed is empty, and processing finishes.
Epicycle finishing scheduling, now Wcurrent is 198W, lower than Wpse (200W), service restoration is normal.
PD described in the embodiment of the present invention, can be IP phone, can be also the first-class equipment of shooting.
Referring to Fig. 4, a kind of power-down control device that the embodiment of the present invention provides, comprising:
Determining unit 101, while being more than or equal to predetermined threshold value, determines the difference between the two for the gross power of current Power over Ethernet PoE equipment all of the port consumption.
Adding device 102, be used for according to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and add the port-mark of selection to default treat in close port list, until all of the port identifies the gross power that corresponding port consumes in described list, be more than or equal to the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value.
Power-off selected cell 103, be used for according to the order from high to low of described priority, from described list, take out port-mark successively, and in the time of a port-mark of every taking-up, identify the comparative result between the gross power of corresponding port consumption and gross power and the difference of predetermined threshold value of the consumption of current PoE equipment all of the port according to remaining port in described list, determine whether port the power-off corresponding port-mark of current taking-up.
Preferably, described power-off selected cell 103, comprising:
Choose judging unit 201, be used for according to the order from high to low of described priority, from described list, take out port-mark successively, and in the time of a port-mark of every taking-up, judge that in described list, remaining port identifies the gross power that corresponding port consumes, whether be 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, keep the port corresponding to port-mark of current taking-up to continue power supply, otherwise, power down process unit 202 triggered.
Power down process unit 202, for by described port power-off corresponding to port-mark of choosing judging unit 201 current taking-ups, then upgrades the gross power that current PoE equipment all of the port consumes.
Preferably, this device also comprises:
Priority maintenance unit 104, for described priority is set, and is updated periodically described priority.
Preferably, described priority maintenance unit 104, is according to the port-mark of PoE device port, or according to the user name of the powered device PD from PoE device port access, arranges and be updated periodically described priority.
Preferably, described PoE equipment, is switch or trunking.
In sum, the embodiment of the present invention, determines that the gross power of current PoE equipment all of the port consumption is more than or equal to predetermined threshold value, according to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and the port-mark of selection is added to the default close port list for the treatment of, until all of the port identifies the gross power that corresponding port consumes in described list, be more than or equal to the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value, according to the order from high to low of described priority, from described list, take out port-mark successively, and the gross power consuming by remaining port in described list being identified to corresponding port, compare with the gross power of current PoE equipment all of the port consumption and the difference of predetermined threshold value, determine whether port the power-off corresponding port-mark of current taking-up, in the port of those lower priorities, select the port that need to be de-energized thereby realize, and carry out power-off, and for the less port of those consumed powers without power-off, avoid the power supply shake of PoE equipment.
The art personnel will be appreciated that, when realization of the present invention avoids PoE power supply gross power to transfinite, the scope of application of low priority port power supply shake is not only confined to use switch networking system, also extends to the application scenario of other employings PoE power supply.Tell about the queue of employing herein, also can adopt storehouse, flag bit etc. the means that realize such as port can be added and remove.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of 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 with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or 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, the instruction that makes to carry out by the processor of computer or other programmable data processing device produces the device for realizing the function of specifying at flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
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, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (8)
1. a circuit breaking controlling method, is characterized in that, the method comprises:
When the gross power of current Power over Ethernet PoE equipment all of the port consumption is more than or equal to predetermined threshold value, determine the difference between the two;
According to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and add the port-mark of selection to default treat in close port list, until all of the port identifies the gross power that corresponding port consumes in described list, be more than or equal to described difference;
According to the order from high to low of described priority; from described list, take out port-mark successively; and in the time of a port-mark of every taking-up; identify the comparative result between gross power and the described difference that corresponding port consumes according to remaining port in described list, determine whether port the power-off corresponding port-mark of current taking-up;
Wherein, the comparative result between described gross power and the described difference that identifies corresponding port consumption according to remaining port in described list, determines whether, by port the power-off corresponding port-mark of current taking-up, to comprise:
Judge that in described list, remaining port identifies the gross power that corresponding port consumes, whether be 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, keep the port corresponding to port-mark of current taking-up to continue power supply, otherwise, by port the power-off corresponding port-mark of current taking-up, then upgrade the gross power that current PoE equipment all of the port consumes.
2. method according to claim 1, is characterized in that, the method also comprises:
Be updated periodically described priority.
3. method according to claim 2, is characterized in that, described priority is to set in advance according to the port-mark of PoE device port, or set in advance according to the user name of the powered device PD from the access of PoE device port.
4. method according to claim 3, is characterized in that, described PoE equipment is switch or trunking.
5. a power-down control device, is characterized in that, this device comprises:
Determining unit, while being more than or equal to predetermined threshold value, determines the difference between the two for the gross power of current Power over Ethernet PoE equipment all of the port consumption;
Adding device, be used for according to the order from low to high of the power supply priority of PoE device port, select successively port-mark, and add the port-mark of selection to default treat in close port list, until all of the port identifies the gross power that corresponding port consumes in described list, be more than or equal to described difference;
Power-off selected cell, be used for according to the order from high to low of described priority, from described list, take out port-mark successively, and in the time of a port-mark of every taking-up, identify the comparative result between gross power and the described difference that corresponding port consumes according to remaining port in described list, determine whether port the power-off corresponding port-mark of current taking-up;
Wherein, described power-off selected cell, comprising:
Choose judging unit, be used for according to the order from high to low of described priority, from described list, take out port-mark successively, and in the time of a port-mark of every taking-up, judge that in described list, remaining port identifies the gross power that corresponding port consumes, whether be 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, keep the port corresponding to port-mark of current taking-up to continue power supply, otherwise, power down process unit triggered;
Power down process unit, for by described port power-off corresponding to port-mark of choosing the current taking-up of judging unit, then upgrades the gross power that current PoE equipment all of the port consumes.
6. device according to claim 5, is characterized in that, this device also comprises:
Priority maintenance unit, for described priority is set, and is updated periodically described priority.
7. device according to claim 6, it is characterized in that described priority maintenance unit is according to the port-mark of PoE device port, or according to the user name of the powered device PD from PoE device port access, arrange and be updated periodically described priority.
8. device according to claim 7, is characterized in that, described PoE equipment is switch or trunking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010539381.2A CN102025509B (en) | 2010-11-10 | 2010-11-10 | Power-off control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010539381.2A CN102025509B (en) | 2010-11-10 | 2010-11-10 | Power-off control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102025509A CN102025509A (en) | 2011-04-20 |
| CN102025509B true CN102025509B (en) | 2014-07-16 |
Family
ID=43866406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010539381.2A Expired - Fee Related CN102025509B (en) | 2010-11-10 | 2010-11-10 | Power-off control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102025509B (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856878A (en) * | 2011-06-28 | 2013-01-02 | 英业达股份有限公司 | Overcurrent and overpower protection 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 |
| WO2014101110A1 (en) * | 2012-12-28 | 2014-07-03 | 华为技术有限公司 | Ethernet power supply method, apparatus, device and system |
| TW201448519A (en) | 2013-06-11 | 2014-12-16 | Hon Hai Prec Ind Co Ltd | Power supply redundant circuit, power over Ethernet system and method |
| CN103546301B (en) * | 2013-10-30 | 2018-04-06 | 上海斐讯数据通信技术有限公司 | POE system carries out the method and system of overload protection to 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 |
| CN103944739B (en) * | 2014-03-26 | 2018-10-09 | 深圳市迈腾电子有限公司 | Intelligent POE electric supply systems and its efficient POE method for managing power supply |
| CN103873263B (en) * | 2014-03-27 | 2018-07-13 | 浙江宇视科技有限公司 | A kind of method and device based on POE power supplies |
| CN105323076A (en) * | 2014-06-27 | 2016-02-10 | 中兴通讯股份有限公司 | Method for supplying power to power device (PD) through PSE (power supply equipment), and Ethernet PSE |
| CN104219062B (en) * | 2014-08-20 | 2017-11-07 | 烽火通信科技股份有限公司 | POE power dispatching management methods based on ONU end mouthful |
| US10045427B2 (en) * | 2014-09-29 | 2018-08-07 | Philips Lighting Holding B.V. | System and method of autonomous restore point creation and restoration for luminaire controllers |
| CN105528011B (en) * | 2016-01-29 | 2018-08-17 | 宇龙计算机通信科技(深圳)有限公司 | A kind of circuit control method and device |
| CN107276778B (en) * | 2016-04-06 | 2021-03-09 | 中兴通讯股份有限公司 | Port control method and device |
| CN108075900A (en) * | 2016-11-16 | 2018-05-25 | 杭州海康威视数字技术股份有限公司 | Poewr control method, device and electronic equipment in a kind of Power over Ethernet system |
| CN107612854A (en) * | 2017-10-18 | 2018-01-19 | 湖南恒茂高科股份有限公司 | A kind of non-management type PoE interchangers and control method |
| CN108762137B (en) * | 2018-05-17 | 2020-08-04 | 广东美的制冷设备有限公司 | Intelligent power-off method and device for intelligent socket, intelligent socket and storage medium |
| US11005670B2 (en) * | 2018-06-15 | 2021-05-11 | Phihong Technology Co., Ltd. | Low standby power circuit architecture for power saving within power source equipment |
| CN111064584B (en) * | 2019-12-13 | 2022-05-31 | 京信网络系统股份有限公司 | Switch POE power supply abnormity recovery method and device and switch |
| CN112769169A (en) * | 2020-12-28 | 2021-05-07 | 金卡智能集团股份有限公司 | Circuit power supply management method and system for flowmeter and flowmeter |
| US11372463B1 (en) | 2021-02-19 | 2022-06-28 | Hewlett Packard Enterprise Development Lp | Power down of power over ethernet interfaces |
| US11669137B2 (en) | 2021-07-29 | 2023-06-06 | Hewlett Packard Enterprise Development Lp | Power down of power over Ethernet interfaces |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1950783A (en) * | 2004-05-10 | 2007-04-18 | 袍尔得辛有限公司 | Method for rapid port power reduction |
| CN101820348A (en) * | 2010-03-09 | 2010-09-01 | 武汉烽火网络有限责任公司 | Method and device for carrying out overload protection on equipment in POE system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7340325B2 (en) * | 2005-08-03 | 2008-03-04 | Texas Instruments Incorporated | Priority powerdown system and method for power distribution systems |
-
2010
- 2010-11-10 CN CN201010539381.2A patent/CN102025509B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1950783A (en) * | 2004-05-10 | 2007-04-18 | 袍尔得辛有限公司 | Method for rapid port power reduction |
| CN101820348A (en) * | 2010-03-09 | 2010-09-01 | 武汉烽火网络有限责任公司 | Method and device for carrying out overload protection on equipment in POE system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102025509A (en) | 2011-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102025509B (en) | Power-off control method and device | |
| CN102918747B (en) | Based on the free of discontinuities power supply of frame | |
| CN106797125A (en) | Power agent module | |
| JP5304764B2 (en) | Facility power management system | |
| CN106030452B (en) | The backup power source management of computing system | |
| CN103516940B (en) | Information processor and control method thereof | |
| US8892910B2 (en) | Method and system for providing dynamic power sharing to network devices | |
| CN111625080B (en) | Server energy saving method and device, electronic equipment and storage medium | |
| WO2011001712A1 (en) | Method for managing consumed electric power, system for managing consumed electric power, and program | |
| US7952227B2 (en) | Feed intermediate apparatus, feeding system, and feed intermediate method | |
| WO2017101453A1 (en) | Power supply control method and apparatus | |
| CN111725879A (en) | Light-storage combined power supply mobile energy storage system and control method thereof | |
| JP2009140138A (en) | Power supply device | |
| JP2014099799A (en) | Electronic apparatus and control method of the same, and program | |
| CN105320244A (en) | Input-output device management using dynamic clock frequency | |
| CN102437636A (en) | Power supply method and power supply control device | |
| EP2939327A1 (en) | Adaptive power availability controller | |
| CN102938699B (en) | Balanced power supply method and device | |
| KR101459373B1 (en) | Home energy management system for controlling using of electric power and controlling method thereof | |
| US20130061072A1 (en) | Power saving node controller | |
| US20210210956A1 (en) | Method and device for controlling distributed direct current power supply system | |
| TW201032554A (en) | Network interface apparatus and related power saving method thereof | |
| KR20160057905A (en) | Apparatus and method for controlling of energy storage system using output control | |
| JP7356020B2 (en) | Network systems, management devices, communication devices, adapter devices, network system control methods, and programs | |
| CN103546301A (en) | Method and system for POE system to carry out overload protection on equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20191110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |