CN1310503A - Power supply system and method for optical fiber access network equipment - Google Patents
Power supply system and method for optical fiber access network equipment Download PDFInfo
- Publication number
- CN1310503A CN1310503A CN 00116213 CN00116213A CN1310503A CN 1310503 A CN1310503 A CN 1310503A CN 00116213 CN00116213 CN 00116213 CN 00116213 A CN00116213 A CN 00116213A CN 1310503 A CN1310503 A CN 1310503A
- Authority
- CN
- China
- Prior art keywords
- access network
- voltage
- network equipment
- optical fiber
- convertor
- 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.)
- Pending
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
A power supply system and method of the optical fibre cut-in net equipment includes AC-DC convertor, optical fibre cable for long-distance supply and stabilizer. The method of the present invention is to convert the industrial frequency AC into a stable DC through AC-DC convertor, to transmit DC to long-distance end by conducting wire in long-distance supply, to convert the voltage to meet the requirement of cut-in net by the stabilizer. The system and the method overcome the problems of large range of operation voltage, abnormal power supply of the communication network and utilized the pressure limit of long-distance supply fibre cable in maximization to prolong the distance of the power supply transmission.
Description
The present invention relates to a kind of electric power system and method for optical fiber access network equipment, more particularly, belong to the electric power system and the method for optical-fibre communications equipment.
The power supply of access network equipment at present normally only adopts the AC/DC Switching Power Supply to power on equipment.And when access network equipment during away from local side, under the abominable Power Supplies Condition in remote districts or rural area, exceed standard, frequently have a power failure as voltage instability, will have a strong impact on the operate as normal of fiber access device.In most cases, access device can bring communication line normally to connect, even cause the damage of access device therefrom because of the fluctuation frequent starting and stopping that exceeding standard of local electrical network.So original method of supplying power to far can not satisfy the power reguirements of fiber access device.
Along with the remote extension of optical cable, the dilatation of Access Network and the requirement of networking, consider the restriction of the complex conditions such as withstand voltage of line loss and Distance supply fiber glass cable, electric power system be except the electric energy of the Access Network of supplying with far-end also will provide the electric energy that loses on the lightguide cable link, therefore needs a kind of power supply plan that adapt to long-distance transmissions and communication network under the adverse circumstances.
Purpose of the present invention is exactly to provide a kind of electric power system and method in order to address the above problem, and reliablely and stablely powers to fiber access device by Distance supply fiber glass cable, powers with the office side that realizes a kind of stable and economic remote fiber plant.
According to method of supplying power to provided by the invention, it is characterized in that may further comprise the steps: at first change industrial frequency AC into stable DC; Lead by optical cable inside is sent to far-end with direct current then; The last required voltage of Access Network that converts to again.
According to electric power system provided by the invention, comprising: AC/DC convertor, Distance supply fiber glass cable, pressurizer.
Civil power or oily machine are powered to AC/DC convertor, form accurate constant-current source by AC/DC convertor, for optical cable provides efficient direct current voltage in its safe voltage scope, after several kilometers optical cable transmission, pressurizer need be supplied with the direct-current working volts of local user side optical network unit and adjacent light network element.Optical network unit (ONU) can obtain to be stabilized in the operating voltage of certain direct current input range.
Because adopt system and method provided by the present invention, it is big to have overcome operating voltage range from far-off regions, the fault of communication network power supply irregular working.Utilized the withstand voltage restriction of Distance supply fiber glass cable to greatest extent, made the distance of the transmission electric power of optical cable obtain extending.When networking, can realize adjacent mutual confession in addition.
Fig. 1 is a system configuration schematic diagram of the present invention.Fig. 2 is the electric power system structural representation that utilizes the network that system and method provided by the invention forms.
Further specify this programme and effect below in conjunction with drawings and Examples.
Among Fig. 1, civil power or oily machine are to AC/DC convertor 1 power supply of office side.For the reliability that guarantees to power, AC/DC convertor 1 can be by isolating diode and the mode that connects, and the power factor unit that two covers are identical also connects, and forms standby each other working method, provides high pressure to Distance supply fiber glass cable.For AC/DC convertor 1, become on the one hand accurate constant-current source, when voltage ripple of power network or optical network unit load increased the weight of, the high pressure of AC/DC convertor 1 output increased the weight of and increases with load, promptly keeps the high voltage-small current mode of operation of Distance supply fiber glass cable; On the other hand, the output voltage of AC/DC convertor 1 can realize exporting the variation of high pressure again by the sampling element of adjusting in advance, makes Distance supply fiber glass cable lay distance output in short-term and can adjust in certain high relatively voltage range; Distance supply fiber glass cable 2 extends under the situation of user side far away at needs, AC/DC convertor 1 is adjusted on the highest output high pressure, that is: AC/DC convertor 1 can be exported variable direct voltage, thereby provides efficient direct current voltage in its safe voltage scope for Distance supply fiber glass cable 2.After Distance supply fiber glass cable 2 transmission, pressurizer 3 needs to supply with the direct-current working volts of local user side optical network unit and adjacent light network element.Pressurizer can have the monitoring function that is connected with computer.Optical network unit ONU can obtain to be stabilized in the operating voltage of certain direct current input range.
Can adopt the Active Power Factor Correction method that interchange is become stable DC in AC/DC convertor 1, the lead by optical cable 2 inside is sent to far-end with direct current then, converts the required voltage of Access Network to by pressurizer 3 more at last.
In certain electric power system, AC/DC convertor 1 is a kind of AC/DC high frequency conversion circuit as the local side feed in the electric power system, the wide input voltage range that this translation circuit adapts to, output voltage can be stabilized in the safe voltage scope of Distance supply fiber glass cable, output current is basicly stable in the relatively high pressure scope, can realize accurate constant current output.Distance supply fiber glass cable 2 is the optical cables that include a kind of diameter 2.7mm copper core; Pressurizer 3 is a kind of Switching Power Supplies of importing the wide region work of AC and DC voltage, and it provides the energy of the primary power source of ONU under mal-condition.
That AC/DC convertor 1 becomes far-end with the alternating voltage of civil power or oily machine is required, in Distance supply fiber glass cable 2 withstand voltage scopes, has the direct voltage of certain power.For pre-anti-lightning strike threat, add anti-lightning strike protector at the input of AC/DC convertor 1 and the input interface of pressurizer 3.The direct voltage that pressurizer 3 obtains Distance supply fiber glass cable 2 ends is converted to the required direct voltage of Access Network.
Among Fig. 2, the electrical power that AC/DC convertor can satisfy optical network unit in the communication network requires and has the function of fully mutual and computer monitoring; ONU1, ONU2 and ONUn represent to be connected several optical network units in the network.Principle according to the point-to-point power delivery described in Fig. 1, the AC/DC AC/DC convertor provides power on several nodes, by the provide DC high-voltage power supply of Distance supply fiber glass cable to adjacent node, each optical network unit ONU is connected to pressurizer, and described pressurizer is used for the dc voltage conversion of optical cable transmission is become the optical network unit ONU operating voltage; The pressurizer of adjacent distal end can be realized interconnected, thereby reduces the laying of optical cable.From utilizing existing Distance supply fiber glass cable network, this system can the existing network of flexible adaptation.This network power supply system has that networking is simple, monitoring is succinct and help follow-up dilatation refitting engineer.
System and method disclosed in this invention can be widely used in the access network equipment power supply to remote districts, can avoid the fault of the fiber access device that power supply instability or power failure because of a certain area in the communication network cause like this, reactive loss when having avoided industrial frequency AC power supply optical cable to extend is applicable to the power supply of telecommunication circuit and communication network.System and method disclosed in this invention can also be applied to passive optical-fiber network (PON), small-sized PBX.
Claims (5)
1, a kind of method of supplying power to of optical fiber access network equipment may further comprise the steps:
1) at first changes industrial frequency AC into stable DC;
2) lead by optical cable inside is sent to far-end with direct current then;
3) be transformed into the required voltage of Access Network at last again.
2, a kind of electric power system of optical fiber access network equipment comprises: AC/DC convertor (1), Distance supply fiber glass cable (2), pressurizer (3); AC/DC convertor (1) AC voltage conversion that is used for that civil power or oily machine are provided becomes the direct voltage of accurate constant-current source form, after Distance supply fiber glass cable (2) transmission, pressurizer (3) is used for described direct voltage voltage transformation is become the required operating voltage of optical network unit ONU.
3, the method for supplying power to of a kind of optical fiber access network equipment as claimed in claim 1 is characterized in that: described step 1) changes industrial frequency AC into stable DC, is the method realization by Active PFC.
4, the method for supplying power to of a kind of optical fiber access network equipment as claimed in claim 1 is characterized in that: described step 3) is transformed into the required voltage of Access Network, carries out conversion by switching rectifier.
5, the electric power system of a kind of optical fiber access network equipment as claimed in claim 2 is characterized in that: described AC/DC convertor (1) can be exported variable direct voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00116213 CN1310503A (en) | 2000-05-30 | 2000-05-30 | Power supply system and method for optical fiber access network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00116213 CN1310503A (en) | 2000-05-30 | 2000-05-30 | Power supply system and method for optical fiber access network equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1310503A true CN1310503A (en) | 2001-08-29 |
Family
ID=4585624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00116213 Pending CN1310503A (en) | 2000-05-30 | 2000-05-30 | Power supply system and method for optical fiber access network equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1310503A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867199A (en) * | 2009-04-15 | 2010-10-20 | 中兴通讯股份有限公司 | Device and method for storing electricity for fiber access device |
| CN103248038A (en) * | 2012-02-13 | 2013-08-14 | 中国移动通信集团甘肃有限公司 | Base station power supply network system and base station emergency power supply method |
| CN105117773A (en) * | 2015-08-13 | 2015-12-02 | 国网浙江省电力公司经济技术研究院 | Power communication optical transmission network comprehensive evaluation method based on fuzzy evaluation algorithm |
-
2000
- 2000-05-30 CN CN 00116213 patent/CN1310503A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867199A (en) * | 2009-04-15 | 2010-10-20 | 中兴通讯股份有限公司 | Device and method for storing electricity for fiber access device |
| CN101867199B (en) * | 2009-04-15 | 2013-08-07 | 中兴通讯股份有限公司 | Device and method for storing electricity for fiber access device |
| CN103248038A (en) * | 2012-02-13 | 2013-08-14 | 中国移动通信集团甘肃有限公司 | Base station power supply network system and base station emergency power supply method |
| CN103248038B (en) * | 2012-02-13 | 2015-04-22 | 中国移动通信集团甘肃有限公司 | Base station power supply network system and base station emergency power supply method |
| CN105117773A (en) * | 2015-08-13 | 2015-12-02 | 国网浙江省电力公司经济技术研究院 | Power communication optical transmission network comprehensive evaluation method based on fuzzy evaluation algorithm |
| CN105117773B (en) * | 2015-08-13 | 2017-09-29 | 国网浙江省电力公司经济技术研究院 | Power communication optical transport network comprehensive estimation method based on fuzzy evaluation algorithm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102651664B (en) | A kind of reverse method of supplying power to and device for passive optical network equipment | |
| CN212969458U (en) | Photoelectric transmission isolation power supply | |
| CN1310503A (en) | Power supply system and method for optical fiber access network equipment | |
| CN204349576U (en) | A kind of d. c. remote electric power system alterating and direct current seamless switching device | |
| CN205430075U (en) | Power supply unit and power supply system | |
| CN106451759B (en) | Micro-grid monitoring system based on power line carrier communication | |
| CN109428329B (en) | Underwater power supply system | |
| CN105024761A (en) | Power passive optical network communication terminal | |
| KR102036892B1 (en) | Lenergy storage system for preventing lightning surge insertion | |
| US9179010B2 (en) | Remote powered node | |
| CN211830774U (en) | Device for rapidly confirming fault of optical fiber connector | |
| Hariharan et al. | Powering outdoor small cells over twisted pair or coax cables | |
| CN208337588U (en) | A kind of optical terminal equipment and passive optical-fiber network | |
| CN219611868U (en) | Photoelectric hybrid monitoring device with remote control | |
| CN209710365U (en) | A kind of Novel DC intelligent LED light source and control system | |
| CN209250653U (en) | The solar energy network equipment | |
| CN107453685A (en) | A kind of energy supplying system of power circuit temperature measuring equipment | |
| CN114825645B (en) | Power supply and distribution network control system based on cable | |
| CN219107061U (en) | High-voltage direct-current remote supply system | |
| CN214205542U (en) | Isolated optical fiber transceiver | |
| CN211791238U (en) | High-voltage equipotential power supply with optical fiber channel | |
| CN220289919U (en) | SFP slot and electric port self-adaptive circuit | |
| CN219980509U (en) | Power supply system of optical fiber transceiver | |
| CN220292212U (en) | Light source controller and light source control system | |
| CN212486695U (en) | Photoelectric hybrid cable networking wiring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |