CN2733374Y - Remote power down monitoring module - Google Patents
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- CN2733374Y CN2733374Y CN 200420088046 CN200420088046U CN2733374Y CN 2733374 Y CN2733374 Y CN 2733374Y CN 200420088046 CN200420088046 CN 200420088046 CN 200420088046 U CN200420088046 U CN 200420088046U CN 2733374 Y CN2733374 Y CN 2733374Y
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 141
- 230000005540 biological transmission Effects 0.000 claims abstract description 61
- 238000007493 shaping process Methods 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
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- 230000004807 localization Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model relates to a remote power down monitoring module, which is used in the communication link equipment that from the equipment of one end of the transmission line, the power down failure of the equipment of another end can be found. When the communication interruption occurs, thereafter, the failure reason, due to the line failure or the power failure, can be determined. The module comprises a power status indicating unit and an alarm capturing unit; wherein the power status indicating unit acquires the power status of the communication equipment and transfers the acquired power status signals to the transmission line; the alarm capturing unit records the power status signals transferred by the transmission line and the power status signals sent from the transmission line to the end of the communication equipment, and reports the record results to the network management equipment. The acquired power status signals are transferred through the empty channel or the special channel between the communication equipments. The record results of the alarm capturing unit are transferred through the network management channel to the network management equipment.
Description
Technical field
The utility model relates to a kind of electrical power monitoring device, relate to a kind of remote power down monitoring modular or rather, on communication link device, use this module, can on transmission line one end equipment, find the power down fault of other end equipment, when communication disruption took place, can get rid of in view of the above was because the communication disruption that line fault produces.
Background technology
Along with the continuous expansion of communication facilities scale and the increase of service maintenance complexity, also more and more higher to the requirement of safeguarding automaticity.For example in the EPON (EPON) of a kind of network topology of point-to-multipoint-based on Ethernet, local side apparatus-optical line terminal (OLT) connects a plurality of remote equipments (ONU) by optical distribution network, is any communicating by letter to multiple spot between local side apparatus and remote equipment.In the network of the annular topological structure of another kind, each terminal-station apparatus is point-to-point communication between being equipped with.No matter adopt any communication mode, total unavoidable phenomenon that communication disruption takes place, and remote equipment (communication system) power down and communication link break down and all can produce communication disruption equally, generally speaking, it is that wherein which reason causes communication disruption that the user is difficult to only to distinguish from the visual angle of oneself actually, after in a single day the user finds communication disruption, need to detect communication link and whether break down, also will pay the power supply facilities that extra energy is checked communication system simultaneously.Increased the pressure of safeguarding of system virtually, improved maintenance cost and reduced maintenance efficiency.
Also compare under the nervous situation in current energy supply, the situation of operating a switch of rationing the power supply happens occasionally, the communication disruption of bringing because of power failure is often more than the communication disruption of bringing because of link down, but because communication is interrupted, managerial personnel also are difficult in time learn the power supply situation that remote equipment is current, even need send the manpower field exploring, more than allly make troubles all for the maintenance of telecommunication.
The power supply power-fail monitoring technology itself is a kind of suitable proven technique, is widely used in many separate equipment, is used to indicate the power supply electric power thus supplied of equipment of itself.But in telecommunication, present present situation is that power supply facilities and communication line are independently of one another, in device design and network design (transmission line design), does not always consider two power supply status feedbacks that the telecommunication equipment end is mutual.Specifically, only consider the transmission data between the communication facilities, never note when generation operation conditions change such as power supply status etc. change, should start a mutual alarming mechanism and report this variation to opposite equip..Particularly in the applied environment of the complicated network structure, do not solved, will be unfavorable for that then the user discerns rapidly and fixes a breakdown, improved maintenance efficiency if still keep this present situation.
The future development trend of communication technical field equipment is highly intelligent, increasingly automated, greatly reduces the pressure of operation maintenance.If can solve the remote power down monitoring, then will help to reduce the pressure of operation maintenance, help the intellectuality and the robotization of operation maintenance.
Remote power supply down Monitor Unit technology can be reported the remote equipment user of the transmission line other end with the extremely short time after transmission line one end device powers down, the reason that makes the remote equipment user in time understand service disconnection is power fail rather than line fault, the also localization of faults exactly in time, then can greatly shorten the eliminating time of communication failure, improve maintenance efficiency, reduce working pressure.
The utility model content
The purpose of this utility model is a kind of remote power down monitoring modular of design, by on communication facilities, using this module, in time find the power down fault of communication line opposite equip., get rid of because the communication disruption that line fault produces with this, the time of fixing a breakdown is accelerated in the localization of faults rapidly.
The technical scheme that realizes the utility model purpose is such: a kind of remote power down monitoring modular, it is characterized in that comprising: the power supply status indicating member, be arranged in the communication facilities, power supply status to the place communication facilities is gathered, and the power state signal of gathering is transported on the transmission line; The alarm capture unit is arranged in the communication facilities of webmaster ability, transmission line is transmitted, carry out record by the power state signal of the power supply status indicating member output of transmission line opposite end communication facilities, and will write down the result and report network management device.
Described power supply status indicating member is linked in sequence by rectification circuit, shaping circuit and level shifting circuit and constitutes; Rectification circuit is gathered the power state information of place communication facilities, and the input power supply of place communication facilities is carried out rectification and drives shaping circuit; Shaping circuit is just often exported a state level at the power supply status of place communication facilities, and shaping circuit is exported another state level when the power supply status of place communication facilities is undesired; This two states level conversion that level shifting circuit is exported shaping circuit becomes to be adapted at the level that transmits on the described transmission line and is transported on the described transmission line.
Described alarm capture unit comprises latch, that latch receives and latchs is that transmission line transmits, by the power state signal of the power supply status indicating member output of transmission line opposite end communication facilities, and this power state signal is delivered to the microprocessor unit of communication facilities, by microprocessor unit treated this power state signal is flowed to described network management device.
Be provided with more than one alarm capture unit in the described communication facilities that the webmaster ability arranged, also be provided with a power supply status indicating member; This power supply status indicating member is gathered the power supply status of communication facilities that the webmaster ability is arranged and the power state signal of gathering is flowed to an alarm capture unit, and the power state signal of its power supply status indicating member being exported by this alarm capture unit carries out record; There is other alarm capture unit power state signal that respectively each transmission lines is transmitted, that export by the power supply status indicating member of transmission line opposite end communication facilities of the communication facilities of webmaster ability to carry out record; This more than one alarm capture unit will write down the result and report network management device by the microprocessor unit that webmaster ability communication facilities is arranged.
Power supply status indicating member in the described communication facilities that is arranged on the webmaster ability is linked in sequence by rectification circuit, shaping circuit and level shifting circuit and constitutes; Rectification circuit is gathered the power state information of this communication facilities, and the input power supply of this communication facilities is carried out rectification and drives shaping circuit; Shaping circuit is just often exported a state level at the power supply status of this communication facilities, and shaping circuit is exported another state level when the power supply status of this communication facilities is undesired; Level shifting circuit becomes to be suitable for to alarm the level that capture unit receives with this two states level conversion of shaping circuit output.
Described alarm capture unit comprises latch, power state signal that the corresponding power supply status indicating member that receives and latch webmaster ability communication facilities of the latch of alarm capture unit is exported more than one and the power state signal of exporting by the power supply status indicating member of transmission line opposite end communication facilities, and each power state signal is delivered to the microprocessor unit of webmaster ability communication facilities, by microprocessor unit treated each power state signal is reported described network management device.
Remote power down monitoring modular of the present utility model, communication facilities by each end station in communication line is embedded in the remote power down monitoring modular, be used to gather the power supply status of local terminal equipment, the power supply state signal of under the cooperation of transmission line module being exported is transferred to the other side's far-end communication system equipment again; The remote power down monitoring modular is caught the power state signal of the other side's remote equipment of being carried by the other side's far-end remote power down monitoring modular on the transmission line simultaneously, and the power state signal of the other side's remote equipment of catching reported Network Management Equipment, thereby realize the power supply status automatic monitoring and the power state signal transmission of full process and full network, make each communication facilities in the system can both learn the power work state of transmission line opposite end communication facilities rapidly, and the communication facilities of when the power supply power supply trouble takes place, also judging fault type exactly and breaking down fast, the power supply status that in the network each has all opposite equip.s that the communication facilities of webmaster ability all will be connected with self reports network management device, accurately grasps the power supply status of whole network equipment for network management device.When a communication facilities self promptly possesses the webmaster ability, then can directly send power state signal to Network Management Equipment by network management path by the remote power down monitoring modular.
Additional supply down Monitor Unit module in the communication facilities of transmission line, can inform opposite equip. in the short time and report webmaster by the utmost point when device powers down by opposite equip., the reason that communication service is interrupted can in time be understood by system thus, and the localization of faults, greatly shortened because the eliminating time of the communication failure that power breakdown or power supply trouble produce improves maintenance efficiency and reduces working pressure.
Remote power down monitoring modular of the present utility model has versatility, its power supply status indicating member can be configured in the different communication facilitiess neatly, perhaps by existing equipment is upgraded module is embedded in the device hardware, a communication facilities is provided with a power supply status indicating member.The alarm capture unit then can with the promptly corresponding setting of transmission line with the opposite equip. that is connected, corresponding transmission lines of alarm capture unit, the time answer an opposite equip., give Network Management Equipment with the power state signal summarizing and reporting of all opposite equip.s then.
Module making cost of the present utility model is low, idle channel transmission or the transmission of use dedicated channel that power state signal can use existing transmission line to provide, report the power state signal of webmaster to transmit, improve the service efficiency of power system capacity by network management path.
Description of drawings
Fig. 1 is the down Monitor Unit modular structure and uses synoptic diagram;
Fig. 2 is a power supply status indicating member structural representation in the down Monitor Unit module;
Fig. 3 is the power state signal transmission synoptic diagram of down Monitor Unit module monitors;
Fig. 4 alarms the capture unit structure and reports the power state information synoptic diagram in the down Monitor Unit module;
Fig. 5 is that the communication facilities that increases energy storage is provided with the down Monitor Unit module and reports the structural representation of power state information;
Fig. 6 is the power circuit principle block diagram that increases energy storage among Fig. 5.
Embodiment
Realize that the support that the utility model need obtain comprises: the power supply status indicating member, finish to the collection of communication facilities power supply status with the power state signal of gathering being transported on the transmission line; Utilize the special use or the idle channel transmission power state signal of transmission line, the power fail warning signal is in time conveyed to opposite equip. reliably; The alarm capture unit receives power state signal from the output of opposite end power supply status indicating member from transmission line, can show and gives Network Management Equipment with the power fail warning signal reporting.
Realize that the power supply monitoring technology that the utility model purpose is adopted is the power supply monitoring technology that current tradition is used, design philosophy of the present utility model is embodied in by using this power supply monitoring technology, allow communication line in service data transmission, also the power supply state with equipment together is transferred to opposite equip., so that determine fast when communication disruption takes place because power supply is broken down or because line failure.
Referring to Fig. 1, illustrate down Monitor Unit modular structure and application thereof among the figure.Comprise power supply status indicating member 1 and alarm capture unit 2.Partial message transmission 3 comprises the transmission system 32 and 34 that is positioned at communication line 33 two ends among the figure.Communication facilities power unit 4 and power supply status indicating member 1 shared input power supply (alternating current 220V).Power supply status indicating member 1, gather the input power supply status, and power state signal is transported to the transmission system 32 of local terminal by idle channel 31, be sent to the transmission system 34 of opposite end again through communication line 33, transmission system 34 flows to this power state signal the alarm capture unit 2 of apparatus for remote communication by idle channel 35.Latch units 21 in the alarm capture unit 2 receives the also power state signal of record communication device power supply (DPS) part 4, send chip microprocessor 22 to, after chip microprocessor 22 is handled, the power state signal of communication facilities power unit 4 is sent to the user platform of Network Management Equipment 6 by network management communication passage 5.
Referring to Fig. 2, the structure of power supply status indicating member in the monitoring modular of remote power supply shown in the figure.The input end of power supply status indicating member is connected in parallel on the communication facilities power supply circuit, is used to gather the state of input power supply.Comprise rectification circuit 11, shaping circuit 12 and level shifting circuit 13.Rectification circuit 11, shaping circuit 12 and level shifting circuit 13 are linked in sequence, and after supply voltage enters power supply status indicating member 1, through rectifier bridge output all-wave sine wave, drive rectification circuit 12; Rectification circuit 12 is just often exported high level at the input power supply, when the input power supply disappears, and output low level (zero level); Level shifting circuit is to send behind the standard Transistor-Transistor Logic level with this high level, low transition, is the power supply state signal.
Referring to Fig. 3, the transmission of the power state signal of the module monitors of down Monitor Unit shown in the figure.The power supply state signal (level) of the power supply status indicating member output of communication facilities A transfers to opposite end communication facilities B by partial message transmission, and the power supply state signal (level) of the power supply status indicating member output of communication facilities C transfers to opposite end communication facilities B by partial message transmission.The device A side, the power supply state signal of power supply status indicating member output transmits power state signal by idle channel 311; Equipment C side, the power supply state signal of power supply status indicating member output transmits power state signal by dedicated channel 312; Partial message transmission also comprises the transmission system 321 of device A side, communication line 332, the transmission system 322 of the transmission system 341 of communication line 331, equipment B side and equipment C side.The power supply status indicating member of equipment B side is also to the power state signal (not shown) of the alarm capture unit conveying equipment B of equipment of itself.The equipment B side will be sent the capture unit of alarm separately by idle channel 351, dedicated channel 352 respectively from the power state signal of device A, equipment C.
Communication line 331,332 can use idle communication port or use the private communication channel of opening up for this reason, and the power supply state signal that the power supply status indicating member is exported is transferred to opposite equip..Opposite equip. receives, and reverts to the power work status signal, transfers to the alarm catching circuits.
Referring to Fig. 4, alarm the capture unit structure in the module of down Monitor Unit shown in the figure and report power state information.As the equipment B among Fig. 3, need reception and record power state signal from device A, C, so two latchs of relative set 211,212, the power work status signal of device A, C is transferred to the alarm capture unit by partial message transmission.When the power supply power supply of device A or C suddenly disappears, power supply power supply state signal also can change thereupon, as becoming low level by high level, latch can detect this variation and note this variation, the microprocessor unit 22 of equipment B can collect this record from latch, and by network management communication passage 5, the power fail warning signal is sent to Network Management Equipment (network management platform) 6, informs that the Operation and Maintenance personnel handle.22 pairs of latchs of microprocessor unit 211,212 control that resets.The alarm capture unit also can be provided with display circuit (sound, light etc.) the power supply power supply state signal of device A or C is intuitively shown.
Fig. 1 to Fig. 4 embodiment illustrates, when communication facilities does not possess the webmaster ability (as device A, C), the power state signal of monitoring need be sent to the communication facilities side (as communication facilities B) with webmaster ability by the transmission message part, carry out receiving record and report Network Management Equipment by the alarm capture unit that is embedded in this communication facilities B side.In the real network structure, the communication facilities of most of user side does not possess the webmaster ability, the communication facilities that has does not simultaneously need webmaster or does not increase network management function because of price problem, thereby must report power state signal by the equipment that the webmaster ability is arranged on this kind equipment.
Referring to Fig. 5, illustrate that the communication facilities with webmaster ability by increasing tank circuit, directly reports this power devices status information to Network Management Equipment after embedded down Monitor Unit module.
The power supply that communication facilities uses at present mostly is Switching Power Supply greatly because finite volume, so the capacitance that uses in the rectification circuit rear end usually in 33uf, make when output power of circuit is big, cause system to be cut off the power supply rapidly.Even if assembled the power supply power-fail monitoring modular, microprocessor unit also can't be sent power-down state information.The utility model increases a large bulk capacitance in the rectification circuit rear end of communication facilities power unit, be used for accumulation of energy, after system's power down, can prolong the working time of communication facilities power unit, rely on the lag characteristic of this power supply, power state signal be sent on the transmission line guaranteeing.
41 is the communication facilities main body among the figure, and has the webmaster ability.Embedded down Monitor Unit module comprises power supply status indicating member 1 and alarm capture unit 2.Communication facilities power unit 4 and power supply status indicating member 1 shared input power supply (alternating current 220V).Power supply status indicating member 1, gather the input power supply status, and power state signal is directly flowed to the alarm capture unit 2 of local terminal, latch units 21 in the alarm capture unit 2 receives and writes down this power state signal, send microprocessor unit 22 to, after microprocessor unit 22 is handled, the power state signal of this communication facilities is sent to the user platform of Network Management Equipment 6 by network management communication passage 5.
Referring to Fig. 6, a large bulk capacitance 42 (the big electric capacity that surpasses 100 μ f as capacity) is connected in parallel on rectification circuit 41 output terminals of communication facilities power unit 4, when power failure, can prolong the working time of communication facilities power unit 4, make it to keep within a certain period of time power supply, because the power supply status indicating member directly is connected in this equipment end with the alarm capture unit, the power supply state signal of alarm capture unit output directly is connected with the microprocessor unit of local terminal communication facilities again, and the power-on time that communication facilities power unit 4 prolongs is enough to allow microprocessor unit that power fail warning information is directly reached network management platform.In other words, after the power down reporting functions detects device looses power by the very first time, utilize reserve power to keep equipment and continue to provide electric energy to exhaust, write down the power down time during this period rapidly and in time report Network Management Equipment until electric energy.43 is circuit parts behind communication facilities power unit 4 rectification circuits 41 among the figure.
Remote power down monitoring modular of the present utility model by power supply status indicating member and alarm capture unit are set flexibly, the collecting device power supply state, writes down and to the power supply state of webmaster reporting equipment.When communication facilities itself has the webmaster ability, the down Monitor Unit module is embedded in the communication facilities, the power supply status indicating member directly flows to power state signal the alarm capture unit, will alarm the power state signal of capture unit record by network management path net carrying pipe equipment by microprocessor again; When communication facilities itself does not have the webmaster ability, the down Monitor Unit module is embedded in the communication facilities, the power supply status indicating member sends power state signal to the alarm capture unit of opposite end by idle channel in the transmission line or dedicated channel, if the communication facilities of this opposite end has the webmaster ability, then will alarm the power state signal of capture unit record by network management path net carrying pipe equipment by the microprocessor of this opposite end, if the communication facilities of this opposite end does not have the webmaster ability yet, then by the communication facilities transfer power state signal (handling) of this opposite end, when being sent to the communication facilities that the webmaster ability arranged, report power supply state information by microprocessor.
Claims (10)
1. remote power down monitoring modular is characterized in that comprising: the power supply status indicating member, be arranged in the communication facilities, and the power supply status of place communication facilities is gathered, and the power state signal of gathering is transported on the transmission line; The alarm capture unit is arranged in the communication facilities of webmaster ability, transmission line is transmitted, carry out record by the power state signal of the power supply status indicating member output of transmission line opposite end communication facilities, and will write down the result and report network management device.
2. module according to claim 1 is characterized in that: described power supply status indicating member is linked in sequence by rectification circuit, shaping circuit and level shifting circuit and constitutes; Rectification circuit is gathered the power state information of place communication facilities, and the input power supply of place communication facilities is carried out rectification and drives shaping circuit; Shaping circuit is just often exported a state level at the power supply status of place communication facilities, and shaping circuit is exported another state level when the power supply status of place communication facilities is undesired; This two states level conversion that level shifting circuit is exported shaping circuit becomes to be adapted at the level that transmits on the described transmission line and is transported on the described transmission line.
3. module according to claim 1, it is characterized in that: described alarm capture unit comprises latch, that latch receives and latchs is that transmission line transmits, by the power state signal of the power supply status indicating member output of transmission line opposite end communication facilities, and this power state signal is delivered to the microprocessor unit of communication facilities, by microprocessor unit treated this power state signal is flowed to described network management device.
4. module according to claim 3 is characterized in that: described microprocessor unit is carried the power state signal of handling through microprocessor unit by network management path to network management device.
5. module according to claim 1 is characterized in that: described power supply status indicating member, the power state signal of gathering is transported on the transmission line, and be to be sent on the idle channel of communication line between communication facilities.
6. module according to claim 1 is characterized in that: described power supply status indicating member, the power state signal of gathering is transported on the transmission line, and be to be sent on the dedicated channel of communication line between communication facilities.
7. module according to claim 1 is characterized in that: be provided with more than one alarm capture unit in the described communication facilities that the webmaster ability arranged, also be provided with a power supply status indicating member; This power supply status indicating member is gathered the power supply status of communication facilities that the webmaster ability is arranged and the power state signal of gathering is flowed to an alarm capture unit, and the power state signal of its power supply status indicating member being exported by this alarm capture unit carries out record; There is other alarm capture unit power state signal that respectively each transmission lines is transmitted, that export by the power supply status indicating member of transmission line opposite end communication facilities of the communication facilities of webmaster ability to carry out record; This more than one alarm capture unit will write down the result and report network management device by the microprocessor unit that webmaster ability communication facilities is arranged.
8. module according to claim 7 is characterized in that: the power supply status indicating member in the described communication facilities that is arranged on the webmaster ability is linked in sequence by rectification circuit, shaping circuit and level shifting circuit and constitutes; Rectification circuit is gathered the power state information of this communication facilities, and the input power supply of this communication facilities is carried out rectification and drives shaping circuit; Shaping circuit is just often exported a state level at the power supply status of this communication facilities, and shaping circuit is exported another state level when the power supply status of this communication facilities is undesired; Level shifting circuit becomes to be suitable for to alarm the level that capture unit receives with this two states level conversion of shaping circuit output.
9. module according to claim 7, it is characterized in that: described alarm capture unit comprises latch, power state signal that the corresponding power supply status indicating member that receives and latch webmaster ability communication facilities of the latch of alarm capture unit is exported more than one and the power state signal of exporting by the power supply status indicating member of transmission line opposite end communication facilities, and each power state signal is delivered to the microprocessor unit of webmaster ability communication facilities, by microprocessor unit treated each power state signal is reported described network management device.
10. module according to claim 9 is characterized in that: described microprocessor unit is carried the power state signal of handling through microprocessor unit by network management path to network management device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200420088046 CN2733374Y (en) | 2004-08-18 | 2004-08-18 | Remote power down monitoring module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200420088046 CN2733374Y (en) | 2004-08-18 | 2004-08-18 | Remote power down monitoring module |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007041967A1 (en) * | 2005-10-14 | 2007-04-19 | Huawei Technologies Co., Ltd. | An access device and a management system and method thereof |
| WO2009046595A1 (en) * | 2007-10-11 | 2009-04-16 | Zte Corporation | A method for realizing offering a power-off alarm of a transmission apparatus and withdrawing the alarm |
| CN101668232A (en) * | 2008-09-02 | 2010-03-10 | 华为技术有限公司 | Method, device and system for processing power failure of optical network unit |
| CN101799521A (en) * | 2010-03-31 | 2010-08-11 | 惠州市德赛西威汽车电子有限公司 | Power supply power-fail method of auto sound singlechip and peripheral circuit equipment |
| CN101247283B (en) * | 2008-02-18 | 2010-12-08 | 北京润光泰力科技发展有限公司 | Method and system for detecting power failure of network equipment |
| CN102045107A (en) * | 2009-04-22 | 2011-05-04 | 华为技术有限公司 | Methods and apparatus for reception of dynamic information by inactive receivers |
| CN102307367A (en) * | 2011-08-18 | 2012-01-04 | 大唐移动通信设备有限公司 | Communication equipment and power failure alarming method |
| CN105159276A (en) * | 2015-08-19 | 2015-12-16 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft electronic equipment ventilation controller detection method |
| CN105319452A (en) * | 2014-07-08 | 2016-02-10 | 中国移动通信集团浙江有限公司 | Air conditioner power supply state alarm detection method and device |
| CN107566138A (en) * | 2016-06-30 | 2018-01-09 | 中国电信股份有限公司 | The power fail warning method of wave-division device and wave-division device |
| US10416626B2 (en) | 2012-08-31 | 2019-09-17 | Lg Electronics Inc. | Home appliance and control method thereof |
| CN114704920A (en) * | 2022-04-02 | 2022-07-05 | 合肥美的暖通设备有限公司 | Abnormity detection circuit of air conditioner outdoor unit, control method and device thereof and air conditioning equipment |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007041967A1 (en) * | 2005-10-14 | 2007-04-19 | Huawei Technologies Co., Ltd. | An access device and a management system and method thereof |
| WO2009046595A1 (en) * | 2007-10-11 | 2009-04-16 | Zte Corporation | A method for realizing offering a power-off alarm of a transmission apparatus and withdrawing the alarm |
| CN101247283B (en) * | 2008-02-18 | 2010-12-08 | 北京润光泰力科技发展有限公司 | Method and system for detecting power failure of network equipment |
| CN101668232A (en) * | 2008-09-02 | 2010-03-10 | 华为技术有限公司 | Method, device and system for processing power failure of optical network unit |
| WO2010025668A1 (en) * | 2008-09-02 | 2010-03-11 | 华为技术有限公司 | Method, apparatus and system for optical network unit power off processing |
| US9432114B2 (en) | 2009-04-22 | 2016-08-30 | Futurewei Technologies, Inc. | Method for identifying the optical network unit power off reason |
| CN102045107A (en) * | 2009-04-22 | 2011-05-04 | 华为技术有限公司 | Methods and apparatus for reception of dynamic information by inactive receivers |
| US8787751B2 (en) | 2009-04-22 | 2014-07-22 | Futurewei Technologies, Inc. | Method for identifying the optical network unit power off reason |
| CN102045107B (en) * | 2009-04-22 | 2014-12-24 | 华为技术有限公司 | Device and method for determining interruption of ONU unit |
| CN101799521A (en) * | 2010-03-31 | 2010-08-11 | 惠州市德赛西威汽车电子有限公司 | Power supply power-fail method of auto sound singlechip and peripheral circuit equipment |
| CN102307367A (en) * | 2011-08-18 | 2012-01-04 | 大唐移动通信设备有限公司 | Communication equipment and power failure alarming method |
| US10416626B2 (en) | 2012-08-31 | 2019-09-17 | Lg Electronics Inc. | Home appliance and control method thereof |
| CN105319452A (en) * | 2014-07-08 | 2016-02-10 | 中国移动通信集团浙江有限公司 | Air conditioner power supply state alarm detection method and device |
| CN105159276A (en) * | 2015-08-19 | 2015-12-16 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft electronic equipment ventilation controller detection method |
| CN105159276B (en) * | 2015-08-19 | 2019-02-12 | 中国航空工业集团公司西安飞机设计研究所 | A detection method for ventilation controller of aircraft electronic equipment |
| CN107566138A (en) * | 2016-06-30 | 2018-01-09 | 中国电信股份有限公司 | The power fail warning method of wave-division device and wave-division device |
| CN114704920A (en) * | 2022-04-02 | 2022-07-05 | 合肥美的暖通设备有限公司 | Abnormity detection circuit of air conditioner outdoor unit, control method and device thereof and air conditioning equipment |
| CN114704920B (en) * | 2022-04-02 | 2024-03-29 | 合肥美的暖通设备有限公司 | Abnormality detection circuit of air conditioner external unit, control method and device thereof and air conditioning equipment |
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