CN101282390B - Feed method, system and equipment - Google Patents
Feed method, system and equipment Download PDFInfo
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- CN101282390B CN101282390B CN 200710073920 CN200710073920A CN101282390B CN 101282390 B CN101282390 B CN 101282390B CN 200710073920 CN200710073920 CN 200710073920 CN 200710073920 A CN200710073920 A CN 200710073920A CN 101282390 B CN101282390 B CN 101282390B
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- voltage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
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- Power Engineering (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
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Abstract
The inventive embodiment provides a feed system, which comprises a power converter and a plurality of feed management systems. The power converter is connected with the feed management system, which supplies voltage to user loop through the feed management systems. The feed system also includes a loop information collecting unit and a control unit, the loop information collecting unit collects information of the user loop and transmits the information to the control unit; the control unit computes voltage value suitable for the user loop according to the received user loop information and outputs voltage information indicating the voltage value to the power converter; the power converter outputs voltage corresponding to the voltage value to the feed management system according to the received voltage information. The invention also provides a feed system and a communication equipment, which reduces cost and system power consumption.
Description
Technical field
The invention belongs to electronic communication field, relate in particular to a kind of feed method, system and equipment.
Background technology
POTS (Plain Old Telephone System, the old-fashioned telephone system of tradition) the service-user plate is used for the access of local side Plain Old Telephone Service, the access devices such as IAD (Integrated Access Device, integrated access device) provide the access of Plain Old Telephone Service.The formant that the access device telephone services such as POTS service-user plate and IAD are processed is the feed management system.
In the past, because access device is comparatively concentrated, the local loop of each port was larger apart from the length difference above user's plate; Development along with technology, the popularization of distributed connecting system, access device is more and more near user's side, especially along with FTTx (Fiber to the x, Fiber to the home, Fiber To The Curb, optical fiber is to the general designation of mansion) development and the rise of family gateway equipment, make the loop range of each port in the equipment such as user's plate and home gateway shorter and shorter, the loop range difference between port also is tending towards on average simultaneously, and the loop range of multiport access equipment is convergent.
Along with the development of technology, and the raising of user's request, the capacity of the equipment such as IAD such as POTS user's plate and IAD improves constantly, to the larger requirement of design proposition of equipment.The for example requirement of highly dense design, a veneer need to hold into more feed management system.
Every country is more and more higher to the requirement of energy consumption, and especially in high-end market, energy consumption requires to have become the critical specifications of equipment.Traditional feed management system is by single fixed power source, two fixed power source and be with the duplicate supply input of dull economize on electricity source.When the feed supply power voltage of the equipment such as local loop distance and POTS user's plate and home gateway does not mate, will cause local loop feed scarce capacity, the problem such as perhaps equipment power dissipation is excessive.Generally speaking, in order to ensure local loop feed scarce capacity problem, the designer can improve the supply power voltage of feed system and device usually, and this will cause equipment power dissipation excessive.
Please refer to Fig. 1, is the schematic diagram of the single fixed power source feed system of prior art, and user's plate and the accessing gateway equipment of the old-fashioned support POTS service access of the overwhelming majority all adopt this feeding classification.This feeding classification can not be regulated the supply power voltage of feed management system in real time according to loop circuit state, can produce invalid power consumption in the feed management system.
Please refer to Fig. 2, is the schematic diagram of the two fixed power source feed systems of prior art, adopts two voltages of feed system of duplicate supply to fix, and the user can arrange according to the actual conditions of website corresponding voltage.This mode cost is low, is suitable for the accessing gateway equipments such as POTS user's plate of multiport and IAD.But, need to supply with two fixed power source, can not regulate dynamically power supply, can only supply power voltage be set by the length of artificial judgment loop range.And only have two kinds of voltages to select, the regulating power consumption of veneer can not reach good situation.
Please refer to Fig. 3, is the feed system schematic diagram of the dull economize on electricity of prior art band source duplicate supply input, adopts the feed system of duplicate supply, and first voltage is fixed, and second voltage can be adjusted according to the distance of loop.This technical scheme is fit to the equipment of multichannel POTS service access.But veneer needs two power supply changeover devices to process feed, will improve the cost of veneer; Simultaneously, two power supply changeover devices will occupy the space of more veneer, be unfavorable for the highly dense design of present communication system; In addition, the feed management system must adopt to be supported two-way power supply input and switches, corresponding cost that can increase equipment.
Summary of the invention
Embodiment of the invention technical problem to be solved provides a kind of feed system, equipment and method, can effectively reduce power consumption and the cost of equipment.
The embodiment of the invention provides a kind of feed method, and wherein, the voltage of each local loop is provided by a power supply changeover device, comprising:
Collect the local loop information relevant with described each local loop;
According to this local loop information, calculate a magnitude of voltage that is suitable for each local loop, and the information of voltage of this magnitude of voltage of output indication is to power supply changeover device;
This power supply changeover device export the output voltage corresponding with this magnitude of voltage to each feed management system according to this information of voltage that receives, by the feed management system to coupled local loop feed.
The embodiment of the invention provides a kind of feed system, comprises power supply changeover device and a plurality of feed management system, a plurality of local loops and a control unit, wherein,
This feed management system is used for collecting the local loop information of coupled local loop and sending to this control unit;
This control unit goes out a magnitude of voltage that is suitable for each local loop according to this local loop information calculations that receives, and the information of voltage of this magnitude of voltage of output indication is given this power supply changeover device;
This power supply changeover device is connected with this feed management system, is used for according to this information of voltage that receives, and gives each local loop by the output voltage that this feed management system output is corresponding with this magnitude of voltage.
The embodiment of the invention provides a kind of communication equipment, comprise power supply changeover device, a plurality of feed management system and a control unit, this power supply changeover device is connected with these a plurality of feed management systems, voltage is provided for each local loop by these a plurality of feed management systems, wherein
These a plurality of feed management systems are used for collecting the local loop information of each local loop and sending to this control unit;
This control unit goes out a magnitude of voltage that is suitable for each local loop according to the local loop information calculations that receives, and the information of voltage of this magnitude of voltage of output indication is given this power supply changeover device;
This power supply changeover device is exported the output voltage corresponding with described magnitude of voltage to described feed management system according to this information of voltage that receives.
The embodiment of the invention has following beneficial effect at least:
The embodiment of the invention adopts single power supply, supply voltage can be regulated according to the loop information self adaptation, reduce power supply and select and switching device shifter, reduced equipment cost, be conducive to simultaneously the power consumption that effectively reduces system in the situation of enough loop driving force providing; Owing to adopt single power supply, therefore can save power supply changeover device, thereby save cost and veneer space, for highdensity single board design provides possibility.
Description of drawings
Fig. 1 is the schematic diagram of the single fixed power source feed system of prior art;
Fig. 2 is the schematic diagram of the two fixed power source feed systems of prior art;
Fig. 3 is the feed system schematic diagram of the dull economize on electricity of prior art band source duplicate supply input;
Fig. 4 is the schematic diagram of embodiment of the invention feed system;
Fig. 5 is embodiment of the invention feed management system schematic diagram;
Fig. 6 is the schematic diagram of embodiment of the invention control unit;
Fig. 7 is the schematic diagram of embodiment of the invention power source regulating circuit;
Fig. 8 is feed method flow chart of the present invention.
Embodiment
Please refer to Fig. 4, is the schematic diagram of embodiment of the invention feed system.This feed system can be used in POTS user's plate, perhaps in the accessing gateway equipment, and IAD for example.This feed system comprises power supply changeover device, n feed management system and control unit.Power supply changeover device receives backboard input power Vin, and output voltage V out is to each feed management system of n, and the feed management system links to each other with telephone set by subscriber loop, provides normal operation necessary voltage to telephone set.Control unit receives the length information of the subscriber loop corresponding with it of each feed management system transmission, the length information of the n that comprehensively a receives subscriber loop, calculate one more excellent, the voltage that is fit to each subscriber loop, and this information of voltage fed back to power supply changeover device, power supply changeover device is exported this voltage according to the information of voltage that receives to each feed management system.Owing to this output voltage V out is that of drawing of length information through each subscriber loop of analysis-by-synthesis optimizes voltage, so this output voltage in the situation of enough loop driving force being provided for each subscriber loop, reduces the power consumption of feed management system effectively.
The feed management system is comprised of with relevant combination of devices the subscriber line circuit module usually, SLIC (Subscriber Line Interface Circuit for example, Subscriber Line Interface Circuit) and CODEC (CodingDecoding, phonetic codec chip), be used for providing feed to subscriber loop, guarantee the normal use of telephone set.The feed management system to the telephone set of outside line provide one can dynamic adjustments the feed power supply.At present, most standard requires feed system that constant-current feeding is provided, such as 25mA.When loop ratio more in short-term, loop resitance is smaller, only have about 300ohm such as the loop resitance of 1 kilometer loop, phone impedance 300ohm when adding off-hook, impedance altogether also only has 600ohm.At this moment, the voltage on loop can be smaller: V
Line=15V (25mA*600ohm).If at this moment adopt the fixed voltage power supply, be 48V generally speaking, the feed management system will be born the voltage of 33V, cause ineffective power consumption very large above the feed management system.
In the embodiment of the invention, each feed management system also has the ability that detects subscriber loop resistance.Each feed management system comprises that the loop information collection module is used for collecting the information of local loop, and local loop information can be the information of loop resitance, tip/ring voltage and other expression power consumptions.According to loop resitance, can obtain the length of subscribers feeder loop range.The feed management system with local loop length information x1, x2 ..., xn, feed back to control unit.In the embodiment of the invention, also a loop information collection module can be set in the feed management system, be used for collect the data message of all local loops, the test bus by the feed management system provides the user data of collecting to the feed management system.Perhaps the user data of collecting is directly fed back to control unit.
Control unit receive each port of feed management system feedback local loop length information x1, x2 ..., xn, calculate suitable operating voltage, operating voltage information (signal y) is fed back to power supply changeover device.Power supply changeover device is the signal y according to control unit output, dynamic adjustments output voltage V out.
Please refer to Fig. 6, is the schematic diagram of embodiment of the invention control unit.Control unit comprises processor and a memory with computing capability.Preserved in the memory length information x1, x2 according to the algorithm of the suitable supply power voltage of loop-length Information Selection and each loop of receiving ..., xn.Processor according to loop-length information x1, the x2 of input ..., xn, use predetermined algorithm to calculate suitable magnitude of voltage, output signal y is used for the supply voltage that the output of control power supply changeover device requires.
Please refer to Fig. 7, is the schematic diagram of embodiment of the invention regulation voltage.Power supply changeover device provides adjustable port " TRIM ", increases MUX MUX and selects the different input of TRIM to realize the adjusting of voltage.In the embodiment of the invention, MUX MUX can be relay.
In the embodiment of the invention, the current feed department independent power source of feed management system only needs a power supply (Vout) therefore can save power supply changeover device (or power supply processing unit), thereby save cost and veneer space, for highdensity single board design provides possibility.In addition owing to only need a power supply, so and unlike the prior art of duplicate supply, need extra power supply to select and switching device shifter, can save selection and the switching device shifter of power supply in the feed management system, further reduce cost.
In addition, in the embodiment of the invention, control unit reduces the power consumption of feed management system effectively according to the input voltage of the information dynamic adjustments feed management system of each port loop length.
The embodiment of the invention also provides a kind of communication equipment, this communication equipment comprises power supply changeover device, a plurality of feed management system and control unit, a plurality of feed management systems are connected with subscriber's line respectively, be used for to the subscriber's line feed, the other end of subscriber's line needs the communication equipment of feed to link to each other with terminal or other.The feed management system is collected the data of each bar subscriber's line, such as being subscriber's line resistance etc., the subscriber's line data of collecting is sent to control unit.Control unit has processor and memory, this memory is used for the subscriber's line data that storing received arrives and the algorithm that calculates output voltage according to the subscriber's line data, processor is according to subscriber's line data and algorithm, calculate suitable voltage, and this voltage signal is sent to power supply changeover device.This power supply changeover device is regulated the voltage of exporting to each feed management system according to the voltage signal that receives, and the voltage of output after regulating is to each feed management system, thereby gives each subscriber's line feed.
In the embodiment of the invention, this communication equipment can be user's plate, for example POTS user's plate; Or xDSL user's plate, if the xDSL Line cards, subscriber's line is twisted-pair feeder so.
This communication equipment also can be the equipment with above user's plate, switch or Digital Subscriber Line Access Multiplexer (Digital Subscriber Line Access Multiplexer for example, DSLAM) or MSAN (Multi-Service Access Network, multi service access network).
This communication equipment can also be that IAD is established in comprehensive access.
In the present embodiment, each feed management system receives only the output voltage from power supply changeover device, therefore in each feed management system, need not voltage and selects and switching device shifter, thereby save cost.
Please refer to Fig. 8, is the flow chart of embodiment of the invention feed method.Embodiment of the invention feed method may further comprise the steps:
1, the operating voltage of feed management system acquiescence is set
When control unit begins, the voltage of the work of an acquiescence is set for the feed management system, this voltage can be an empirical value, guarantee under this voltage, the feed management system of the loop of all lengths can work, but at this time the power consumption of system is not adjusted to only state.
2, measure, record the off-hook subscriber loop resistance
When user's off-hook is arranged, the loop data collection module of feed management system or external mechanism for testing test off-hook user's loop resitance, control unit is collected the information of local loop, for example can be the length information of each local loop, then is kept in the memory of control unit.
3, calculate according to predetermined algorithm or upgrade suitable supply voltage
The predetermined algorithm of processor basis in the control unit calculates or selects the service voltage of suitable feed management system, and information of voltage (signal y) is fed back to power supply changeover device.
4, power supply changeover device is exported the supply power voltage of suitable feed management system
Power supply changeover device is the signal y according to control unit output, dynamic adjustments output voltage V out.Wherein, this output voltage is suitable for each local loop, and because this output voltage is to regulate according to the line length information of each local loop, so can reduce the power consumption on each feed management system.In addition, come the output voltage of dynamic adjustments power supply changeover device according to the information of each local loop, do not need two power supplys, thereby saved the power supply changeover device in the veneer, saved cost and the space of veneer, be conducive to design highdensity veneer.In addition owing to only need a power supply, so and unlike the prior art of duplicate supply, need extra power supply to select and switching device shifter, can save selection and the switching device shifter of power supply in the feed management system, further reduce cost.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (11)
1. one kind provides the method for feed to local loop, and wherein, the voltage of each local loop is provided by a power supply changeover device, and described method comprises:
Collect the local loop information relevant with described each local loop;
According to described local loop information, calculate a magnitude of voltage that is suitable for described each local loop, and the information of voltage of the described magnitude of voltage of output indication is given described power supply changeover device;
Described power supply changeover device export the output voltage corresponding with described magnitude of voltage to each feed management system according to the described information of voltage that receives, by described feed management system to coupled local loop feed.
2. the method for claim 1 is characterized in that, collect the local loop information relevant with described each local loop before, described power supply changeover device provides a predeterminated voltage to described local loop.
3. the method for claim 1 is characterized in that, when user's off-hook, collects the local loop information relevant with described local loop.
4. the method for claim 1 is characterized in that, described local loop information comprises loop resitance.
5. a feed system is characterized in that, comprises a power supply changeover device and a plurality of feed management system, a plurality of local loops and a control unit, wherein,
Described feed management system is used for collecting the local loop information of coupled described local loop and sending to described control unit;
Described control unit goes out a magnitude of voltage that is suitable for each described local loop according to the described local loop information calculations that receives, and the information of voltage of the described magnitude of voltage of output indication is given described power supply changeover device;
Described power supply changeover device is connected with described feed management system, is used for according to the described information of voltage that receives, and gives described each local loop by the described feed management system output output voltage corresponding with described information of voltage.
6. feed system as claimed in claim 5 is characterized in that, described local loop information comprises subscriber loop resistance.
7. feed system as claimed in claim 5, it is characterized in that, described control unit comprises processor and memory, and described memory is used for storing the loop-length information of described each local loop and according to the algorithm of the suitable supply power voltage of loop-length Information Selection; Described processor uses described algorithm to calculate the magnitude of voltage that is suitable for described each local loop according to described loop-length information, and the information of voltage of the described magnitude of voltage of output indication is given described power supply changeover device.
8. a communication equipment is characterized in that, comprises a power supply changeover device, a plurality of feed management system and a control unit, described power supply changeover device is connected with described a plurality of feed management systems, voltage is provided for each local loop by described a plurality of feed management systems, wherein
Described a plurality of feed management system is used for collecting the local loop information of described each local loop and sending to described control unit;
Described control unit goes out a magnitude of voltage that is suitable for described each local loop according to the described local loop information calculations that receives, and the information of voltage of the described magnitude of voltage of output indication is given described power supply changeover device;
Described power supply changeover device is exported the output voltage corresponding with described magnitude of voltage to described feed management system according to the described information of voltage that receives.
9. communication equipment as claimed in claim 8 is characterized in that, described local loop information comprises loop resitance.
10. communication equipment as claimed in claim 8, it is characterized in that, described control unit comprises processor and memory, and described memory is used for storing the loop-length information of described each local loop and according to the algorithm of the suitable supply power voltage of loop-length Information Selection; Described processor uses described algorithm according to described loop-length information, calculates the magnitude of voltage that is suitable for described local loop, and the information of voltage of the described magnitude of voltage of output indication is given described power supply changeover device.
11. such as each described communication equipment of claim 8 to 10, it is characterized in that, described communication equipment be following one of arbitrarily: user's plate, integrated access device IAD, Digital Subscriber Line Access Multiplexer DSLAM and multiple service access network MSAN.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710073920 CN101282390B (en) | 2007-04-02 | 2007-04-02 | Feed method, system and equipment |
| PCT/CN2008/070658 WO2008119303A1 (en) | 2007-04-02 | 2008-04-01 | Feeding method, system and device |
| CA002666189A CA2666189A1 (en) | 2007-04-02 | 2008-04-01 | Feeding method, system and device |
| DE112008000066T DE112008000066B4 (en) | 2007-04-02 | 2008-04-01 | Feed method, system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710073920 CN101282390B (en) | 2007-04-02 | 2007-04-02 | Feed method, system and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101282390A CN101282390A (en) | 2008-10-08 |
| CN101282390B true CN101282390B (en) | 2013-01-02 |
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ID=39807823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710073920 Expired - Fee Related CN101282390B (en) | 2007-04-02 | 2007-04-02 | Feed method, system and equipment |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101282390B (en) |
| CA (1) | CA2666189A1 (en) |
| DE (1) | DE112008000066B4 (en) |
| WO (1) | WO2008119303A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895640B (en) * | 2010-07-23 | 2015-06-03 | 中兴通讯股份有限公司 | Method and system for saving energy of user interface circuit |
| WO2015100659A1 (en) * | 2013-12-31 | 2015-07-09 | 华为终端有限公司 | Method, device and system for adjusting telephone carried voltage |
| CN105282350B (en) * | 2013-12-31 | 2019-05-07 | 华为终端有限公司 | A kind of power supply circuit and telephone system |
| CN105812590B (en) * | 2016-05-11 | 2018-10-12 | 福建星网智慧科技股份有限公司 | A kind of switching method for the long short-term feed of subscribers' line |
| CN109218543A (en) * | 2017-06-30 | 2019-01-15 | 深圳市中兴微电子技术有限公司 | A kind of method, apparatus and fixed-line telephone for fixed-line telephone power-saving control |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658646A (en) * | 2004-02-18 | 2005-08-24 | 华为技术有限公司 | System for lowering circuit consuption of user interface in communication equipment and its method |
| CN1794738A (en) * | 2005-11-09 | 2006-06-28 | 杭州华为三康技术有限公司 | Feeding circuit, method of providing different feed voltage and front end feed device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06141355A (en) * | 1992-10-27 | 1994-05-20 | Nippon Telegr & Teleph Corp <Ntt> | Subscriber circuit |
| JPH0795327A (en) * | 1993-09-24 | 1995-04-07 | Nippon Telegr & Teleph Corp <Ntt> | Subscriber circuit |
| GB2304254B (en) * | 1995-08-04 | 1999-12-08 | Nokia Telecommunications Oy | Power supply for telecommunications devices |
| SE512170C2 (en) * | 1998-06-02 | 2000-02-07 | Ericsson Telefon Ab L M | Method and apparatus for selecting supply voltage |
| US20040120512A1 (en) * | 2002-12-20 | 2004-06-24 | Ploumen Franciscus Maria | System and method for optimizing power dissipation in subscriber interface line circuits (SLICS) |
-
2007
- 2007-04-02 CN CN 200710073920 patent/CN101282390B/en not_active Expired - Fee Related
-
2008
- 2008-04-01 DE DE112008000066T patent/DE112008000066B4/en not_active Expired - Fee Related
- 2008-04-01 CA CA002666189A patent/CA2666189A1/en not_active Abandoned
- 2008-04-01 WO PCT/CN2008/070658 patent/WO2008119303A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1658646A (en) * | 2004-02-18 | 2005-08-24 | 华为技术有限公司 | System for lowering circuit consuption of user interface in communication equipment and its method |
| CN1794738A (en) * | 2005-11-09 | 2006-06-28 | 杭州华为三康技术有限公司 | Feeding circuit, method of providing different feed voltage and front end feed device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008119303A1 (en) | 2008-10-09 |
| DE112008000066B4 (en) | 2012-11-15 |
| CA2666189A1 (en) | 2008-10-09 |
| CN101282390A (en) | 2008-10-08 |
| DE112008000066T5 (en) | 2009-09-24 |
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