CN103546301A - Method and system for POE system to carry out overload protection on equipment - Google Patents
Method and system for POE system to carry out overload protection on equipment Download PDFInfo
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- CN103546301A CN103546301A CN201310525958.8A CN201310525958A CN103546301A CN 103546301 A CN103546301 A CN 103546301A CN 201310525958 A CN201310525958 A CN 201310525958A CN 103546301 A CN103546301 A CN 103546301A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention provides a method and system for a POE system to carry out overload protection on equipment. The method comprises the steps of waiting for PM processing preset time, scanning all ports, recording A type ports and B type ports, recording the number NUM of the B type ports, and sequentially closing the ports with the number as NUM according to the priority from low to high. The A type ports are ports in powered work states, and the B type ports are initiatively-closed ports of a power managing unit (PM) of the POE system. By means of the method, after overload happens, the PM can firstly process the overload, and the ports of the same number are closed according to the priority after stabilization. Thus, power is guaranteed, the closed ports can meet the priority sequences, the POE system and the equipment can work in the optimal states, and resources are utilized to the maximum degree.
Description
Technical field
The present invention relates to a kind of POE technology, relate in particular to a kind of POE system and equipment is carried out to the method and system of overload protection.
Background technology
POE full name is Power Over Ethernet(Power over Ethernet), refer to by media such as 10base-T, 100BASE-TX, 1000BASE-T ethernet network is powered, its reliable power supply distance is the longest is 100 meters.In this way, can effectively solve the centralized power power supply of the terminals such as IP phone, wireless aps (Access Point), portable computer, portable charger, machine for punching the card, camera, data acquisition, for these terminals, no longer need to consider the problem of its indoor power supply system wiring, in access network, just can realize the power supply to equipment.Aspect versatility, current POE power supply has had unified standard, as long as follow IEEE802.3af or the IEEE802.3at standard of having issued, just can solve the problem of the suitability between devices from different manufacturers.
Under home, using the equipment with POE function is PD(Power Device, power receiving equipment) power supply, PD can not transship under normal circumstances.The threshold power that PD overload or user have set the power supply of equipment under particular surroundings causes PSE(Power Sourcing Equipment; power supply unit) cannot work; just need this time PSE equipment to possess the ability of self-protection, overload source is disposed.
Pent port does not always meet above-mentioned priority orders on the whole.Although the port shutdown situation under each one single chip in port set meets above-mentioned priority rule, but at chip order master, the slave1, the slave2... that do not meet between chip on port numbers tissue and spi bus, but random sequence causes pent port not meet on the whole above-mentioned priority orders.
Based on this, be necessary to provide a kind of POE system equipment to be carried out to the method for overload protection.
Summary of the invention
The invention provides a kind of POE system and equipment carried out to the method for overload protection, comprising:
Wait for that PM processes Preset Time;
Scanning all of the port, records category-A port and category-B port, and records the quantity NUM of category-B port;
According to low to high priority, close successively the port that quantity is NUM;
Wherein, category-A port is the port in powered operation state, and category-B port is the port that the power management block of POE system is initiatively closed.
In an embodiment, described Preset Time is 3 seconds therein.
In an embodiment, also comprise therein:
According to low to high priority, often close 1 port, PM gives 1 category-B port assignment power, allows its powered operation.
In an embodiment, described scanning all of the port, records category-A port and category-B port therein, and the step that records the quantity NUM of category-B port comprises:
From port one, start to scan all of the port;
Judge that whether port is category-B port, records the quantity NUM of category-B port;
Category-A and category-B port numbers are saved in array.
Therein in an embodiment, described according to low to high priority, to close successively quantity be that the step of the port of NUM comprises:
The port that scan priority is low from described array, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is high, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is critical, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
Wherein, NUM is zero end.
The present invention also provides a kind of POE system equipment to be carried out to the system of overload protection, comprising:
PM processing unit, closes 1 or 1 with upper port during overload;
TCP unit, records category-A port and category-B port, and records the quantity NUM of category-B port;
Port processing unit, after PM processing unit processes Preset Time, closes according to low to high priority the port that quantity is NUM successively;
Wherein, described TCP unit connects respectively described PM processing unit and port processing unit, and described PM processing unit, TCP unit and port processing unit are all connected with POE port.
In an embodiment, described Preset Time is 3 seconds therein.
In an embodiment, port processing unit is often closed 1 port according to low to high priority therein, and PM processing unit is given 1 category-B port assignment power, allows its powered operation.
In an embodiment, described scanning all of the port, records category-A port and category-B port therein, and the step that records the quantity NUM of category-B port comprises:
From port one, start to scan all of the port;
Judge that whether port is category-B port, records the quantity NUM of category-B port;
Category-A and category-B port numbers are saved in array.
Therein in an embodiment, described according to low to high priority, to close successively quantity be that the step of the port of NUM is specially:
The port that scan priority is low from described array, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is high, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is critical, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
Wherein, NUM is zero end.
Adopt after the inventive method, when there is overload, first by PM, processed, after stable, according to priority, close the port of equivalent amount, guaranteed that power makes again the port of closing meet priority orders, makes POE system and equipment be operated in optimum state, resource maximum using.
Accompanying drawing explanation
Fig. 1 is that POE system provided by the invention is carried out the method flow diagram of overload protection to equipment;
Fig. 2 is the concrete grammar flow chart of step S30 shown in Fig. 1;
Fig. 3 is that POE system provided by the invention is carried out the system block diagram of overload protection to equipment.
Embodiment
In order to make relevant technical staff in the field understand better technical scheme of the present invention, accompanying drawing below in conjunction with embodiment of the present invention, technical scheme in embodiment of the present invention is clearly and completely described, obviously, described execution mode is only the present invention's part execution mode, rather than whole execution modes.
As shown in Figure 1, the POE system of a kind of execution mode provided by the invention is carried out the method for overload protection to equipment, comprising:
Step S10, waits for that PM processes Preset Time;
In generation gross power overload, enter and interrupt after processing, first wait for that Preset Time distributes power stability by the power management block (PM) of POE system.Preferably, Preset Time is 3 seconds.
While there is overload PM active close port, although stablized power, the port that PM initiatively closes, can not first close the port that is not very important according to processed, for the high important port of priority, unless necessary, otherwise do not close.
Step S20, scanning all of the port, records category-A port and category-B port, and records the quantity NUM of category-B port;
Concrete, comprising:
From port one, start to scan all of the port;
Judge that whether port is category-B port, records the quantity NUM of category-B port;
Category-A and category-B port numbers are saved in array.
Step S30, closes according to low to high priority the port that quantity is NUM successively;
Concrete, consult Fig. 2, comprising:
Step S31, the port that scan priority is low from array, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
Step S32, if NUM is non-vanishing, the port that scan priority is high, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
Step S33, if NUM is non-vanishing, the port that scan priority is critical, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM.
Wherein, NUM is zero end.In POE system, port priority comprises low, high, tri-priority of critical, and low priority is minimum, and secondly, critical priority is the highest for high, and critical is very important port, if not very necessary, can not close.
Step S40, often closes 1 port according to low to high priority, and PM gives 1 category-B port assignment power, allows its powered operation.
Category-B port is the port that the power management block (PM) of POE system is initiatively closed, and category-B port is that the underpower that distributes of power management block (PM) is to allow POE port working.During according to low to high priority close port, often close 1 port, NUM subtracts 1, if what close is category-A port, power management block (PM) will distribute enough power allow 1 category-B port working, makes it to become category-A port, wherein close 1 POE port, when power is enough, power management block (PM) can not allow yet closes POE port normal power supply work, only with manual unlocking.So, after carrying out step S10-S30, because the POE port of closing meets priority orders, but power management block (PM) cannot allow the POE port of closing rework, every 20 seconds, open the POE port of closing in 1 step S30, make it to become the category-B port of initial condition, when power is enough, can be distributed enough power powered operation by power management block (PM).Preferably, every 20 seconds, open the highest port of POE port medium priority of closing in 1 step S30.
Consult Fig. 3, the invention provides a kind of POE system and equipment is carried out to the system of overload protection, comprising:
When there is overload, PM processing unit 10 is close port initiatively, close after 1 port, or overload, continue to close a port.
In a preferred embodiment, TCP unit 20 scanning port specifically comprise:
From port one, start to scan all of the port;
Judge that whether port is category-B port, records the quantity NUM of category-B port;
Category-A and category-B port numbers are saved in array.
In a preferred embodiment, port processing unit 30 processing ports specifically comprise:
The port that scan priority is low from array, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is high, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is critical, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM.
Wherein, NUM is zero end.In POE system, port priority comprises low, high, tri-priority of critical, and low priority is minimum, and secondly, critical priority is the highest for high, and critical is very important port, if not very necessary, can not close.
In a preferred embodiment, port processing unit 30 is often closed 1 port according to low to high priority, and 10 of PM processing units are given 1 category-B port assignment power, allows its powered operation.
Adopt after the inventive method, when there is overload, first by PM, processed, after stable, according to priority, close the port of equivalent amount, guaranteed that power makes again the port of closing meet priority orders, makes POE system and equipment be operated in optimum state, resource maximum using.
Below only expressed several execution mode of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. POE system is carried out a method for overload protection to equipment, it is characterized in that, comprising:
Wait for that PM processes Preset Time;
Scanning all of the port, records category-A port and category-B port, and records the quantity NUM of category-B port;
According to low to high priority, close successively the port that quantity is NUM;
Wherein, category-A port is the port in powered operation state, and category-B port is the port that the power management block of POE system is initiatively closed.
2. POE system is carried out the method for overload protection to equipment according to claim 1, it is characterized in that, described Preset Time is 3 seconds.
3. POE system is carried out the method for overload protection to equipment according to claim 1, it is characterized in that, also comprises:
According to low to high priority, often close 1 port, PM gives 1 category-B port assignment power, allows its powered operation.
4. POE system is carried out the method for overload protection to equipment according to claim 1, it is characterized in that, described scanning all of the port records category-A port and category-B port, and the step that records the quantity NUM of category-B port specifically comprises:
From port one, start to scan all of the port;
Judge that whether port is category-B port, records the quantity NUM of category-B port;
Category-A port and category-B port are saved in array.
5. POE system is carried out the method for overload protection to equipment according to claim 4, it is characterized in that, described according to low to high priority, to close successively quantity be that the step of the port of NUM specifically comprises:
The port that scan priority is low from described array, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is high, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is critical, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
Wherein, NUM is zero end.
6. POE system is carried out a system for overload protection to equipment, it is characterized in that, comprising: (data flow is not obvious, may need to increase the annexation between unit)
PM processing unit, closes 1 or 1 with upper port during overload;
TCP unit, records category-A port and category-B port, and records the quantity NUM of category-B port;
Port processing unit, after PM processing unit processes Preset Time, closes according to low to high priority the port that quantity is NUM successively;
Wherein, described TCP unit connects respectively described PM processing unit and port processing unit, and described PM processing unit, TCP unit and port processing unit are all connected with POE port.
7. POE system is carried out the system of overload protection to equipment according to claim 6, it is characterized in that, described Preset Time is 3 seconds.
8. POE system is carried out the system of overload protection to equipment according to claim 6, it is characterized in that,
Port processing unit is often closed 1 port according to low to high priority, and PM processing unit is given 1 category-B port assignment power, allows its powered operation.
9. POE system is carried out the system of overload protection to equipment according to claim 6, it is characterized in that, describedly records category-A port and category-B port, and the step that records the quantity NUM of category-B port specifically comprises:
From port one, start to scan all of the port;
Judge that whether port is category-B port, records the quantity NUM of category-B port;
Category-A and category-B port numbers are saved in array.
10. POE system is carried out the system of overload protection to equipment according to claim 9, it is characterized in that, described according to low to high priority, to close successively quantity be that the step of the port of NUM specifically comprises:
The port that scan priority is low from described array, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is high, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
If NUM is non-vanishing, the port that scan priority is critical, port numbers from big to small, is often closed 1 port, and NUM subtracts 1, returns to NUM;
Wherein, NUM is zero end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525958.8A CN103546301B (en) | 2013-10-30 | 2013-10-30 | POE system carries out the method and system of overload protection to equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310525958.8A CN103546301B (en) | 2013-10-30 | 2013-10-30 | POE system carries out the method and system of overload protection to equipment |
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| CN103546301A true CN103546301A (en) | 2014-01-29 |
| CN103546301B CN103546301B (en) | 2018-04-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104468204A (en) * | 2014-11-26 | 2015-03-25 | 上海斐讯数据通信技术有限公司 | Method for updating status of POE port of switch |
| WO2017173762A1 (en) * | 2016-04-06 | 2017-10-12 | 中兴通讯股份有限公司 | Method and device for port control |
| CN110932871A (en) * | 2019-12-12 | 2020-03-27 | 太仓市同维电子有限公司 | Protection method for preventing POE power supply equipment from being overloaded |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707380A (en) * | 2008-07-21 | 2010-05-12 | 北京星网锐捷网络技术有限公司 | Method, device and system for configuring power supply system |
| 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 |
| CN102025509A (en) * | 2010-11-10 | 2011-04-20 | 中兴通讯股份有限公司 | Power-off control method and device |
-
2013
- 2013-10-30 CN CN201310525958.8A patent/CN103546301B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707380A (en) * | 2008-07-21 | 2010-05-12 | 北京星网锐捷网络技术有限公司 | Method, device and system for configuring power supply system |
| 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 |
| CN102025509A (en) * | 2010-11-10 | 2011-04-20 | 中兴通讯股份有限公司 | Power-off control method and device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104468204A (en) * | 2014-11-26 | 2015-03-25 | 上海斐讯数据通信技术有限公司 | Method for updating status of POE port of switch |
| CN104468204B (en) * | 2014-11-26 | 2018-03-27 | 上海斐讯数据通信技术有限公司 | Update the method for interchanger POE port status |
| WO2017173762A1 (en) * | 2016-04-06 | 2017-10-12 | 中兴通讯股份有限公司 | Method and device for port control |
| 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 |
| CN107276778B (en) * | 2016-04-06 | 2021-03-09 | 中兴通讯股份有限公司 | Port control method and device |
| CN110932871A (en) * | 2019-12-12 | 2020-03-27 | 太仓市同维电子有限公司 | Protection method for preventing POE power supply equipment from being overloaded |
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Effective date of registration: 20201118 Address after: 221700 4-1-110-shop, Nanyuan new town, Fengxian County, Xuzhou City, Jiangsu Province Patentee after: Song Yixiao Address before: 201616 Shanghai city Songjiang District Guangfulin Road No. 4855 Building No. 90 big industry territory Patentee before: Phicomm (Shanghai) Co.,Ltd. |