CN1855827A - Remote electric power supplying system and its control - Google Patents
Remote electric power supplying system and its control Download PDFInfo
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- CN1855827A CN1855827A CN 200510064672 CN200510064672A CN1855827A CN 1855827 A CN1855827 A CN 1855827A CN 200510064672 CN200510064672 CN 200510064672 CN 200510064672 A CN200510064672 A CN 200510064672A CN 1855827 A CN1855827 A CN 1855827A
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Abstract
The system thereof comprises: a power supply at central office end for providing power for remote power consumer at remote end. Said power supply comprises: central office monitoring module and central office power module. A remote end monitor is set in the remote power consumer. Said remote end monitor monitors the on-line state of said remote power consumer, and sends the monitor signal to said central office monitor module. By the monitor signal from the remote monitor, the central office monitor module controls the central office power supply module to provide power for the remote power consumer.
Description
Technical field
The present invention relates to the power supply technique in the communication system, be specifically related to the remote power feeding technology in a kind of communication system.
Background technology
Along with developing rapidly of network communicating system, remote electric power system has become an important technology of expanding in the communication service.As under the ever-increasing situation of XDSL (X Digital Subscriber Line) demand for services, expansion new business to end user's a kind of more common method is on the basis of the existing digit subscriber wire of having laid: DSLM (DSL Access Multiplexer, DSL inserts Port Multiplier) equipment is shifted to end user's side more.Like this, can utilize 1-2 to twisted-pair feeder or coaxial cable as data feedback channel, and insert more user and business by DSLM equipment.Because user side circumstance complication and be inconvenient to provide power supply as a rule, so, DSLM equipment is shifted to user side, make the power supply of DSLM equipment become a masty practical problem.
Provide for the DSLM equipment that is positioned at user side from local side by Digital Subscriber Line power supply far-end power supply schematic diagram as shown in Figure 1.Far-end power supply technique (Line powering) has become the major technique support scheme of operator's " last kilometer ".Far-end power supply system will obtain to use in increasing networking products.
In present far-end power supply technique, the main method that powers on for the far-end power consumption equipment is:
The local supply module sends a signal to the far-end power consumption equipment, after the far-end power consumption equipment receives this signal, pass through mechanical interlocking device, give the local supply module with the intact passback of this signal, after the local supply module receives return path signal, start Remote Power Supply and be the power supply of far-end power consumption equipment.Its electrical structure as shown in Figure 2.
In said method, the local supply module is owing to can't confirm the load condition of far-end power consumption equipment, so, do not insert at far-end under the situation of load, at the fitting operation that carries out the far-end power consumption equipment etc., also can make the local supply module start Remote Power Supply is the power supply of far-end power consumption equipment as the user, and is what not need for the power supply of far-end power consumption equipment at this moment, not only waste the energy, also had the unsafe phenomenon of power up; As can be known from Fig. 2, the signal that transmits between local supply module and the far-end power consumption equipment has taken two groups of digital subscriber line, and the local supply module can not be obtained the information of more relevant far-end power consumption equipment by these two groups of digital subscriber line, has wasted Internet resources.
Summary of the invention
The objective of the invention is to, a kind of remote electric power system and its electrification control method are provided, to overcome the shortcoming that the power up that exists in the prior art is dangerous and waste Internet resources.
For achieving the above object, the remote electric power system in a kind of communication system provided by the invention comprises:
Be the local supply part of far-end power consumption equipment power supply, it is characterized in that described local supply partly comprises: local side monitoring unit and local side power module are provided with the remote monitoring unit in the described far-end power consumption equipment;
The state on the throne of the described far-end power consumption equipment of described remote monitoring unit monitors, and the pilot signal of the state on the throne of described far-end power consumption equipment transferred to described local side monitoring unit, described local side monitoring unit is controlled described local supply module according to described pilot signal and is provided power supply for described far-end power consumption equipment.
Described local supply part also is provided with the current sensing means that detects load current, and described current sensing means is connected with described local supply module, local side monitoring unit respectively;
It is described far-end power consumption equipment power supply that the load current that described local side monitoring unit detects according to described current sensing means is controlled described local supply module.
Described local supply part also is provided with the local side transformer, and described far-end power consumption equipment also is provided with the far-end transformer;
The centre cap of described local side transformer is connected with the local supply module, with the local supply module just/negative pole is coupled in the described pilot signal;
The centre cap of described far-end transformer from described pilot signal, separate decoupling just/negative power supply, and offer described far-end power consumption equipment.
Described local side transformer is 1 or 2, and described far-end transformer corresponds to 1 or 2.
The present invention also provides the electrification control method of the remote electric power system in a kind of communication system, comprising:
The state on the throne of a, remote monitoring unit monitors far-end power consumption equipment, and the pilot signal of described state on the throne transferred to the local side monitoring unit;
B, described local side monitoring unit provide power supply according to the pilot signal control local side power module of described state on the throne for described far-end power consumption equipment.
Described step a specifically comprises:
A1, described local side monitoring unit are controlled described local supply module and are provided power supply for described remote monitoring unit;
A2, described local side monitoring unit send status enquiry information on the throne to described remote monitoring unit;
A3, described remote monitoring unit are sent to described local side monitoring unit with the pilot signal of its state on the throne that monitors after receiving described status enquiry information on the throne.
For providing among power supply and the described step b, described remote monitoring unit specifically comprises among the described step a1 for described far-end power consumption equipment provides the step of power supply:
Described local supply module provides power supply by the power supply industrial siding that power supply is provided for described far-end power consumption equipment for described remote monitoring unit/far-end power consumption equipment.
For providing among power supply and the described step b, described remote monitoring unit specifically comprises among the described step a1 for described far-end power consumption equipment provides the step of power supply:
Described local supply module is coupled in respectively in two signal line of transmission status enquiry information on the throne, described state information on the throne for the positive and negative electrode of described remote monitoring unit/power supply that described far-end power consumption equipment the provides centre cap by two local side transformers;
Described remote monitoring unit/described far-end power consumption equipment is separated the described positive and negative electrode power supply of decoupling respectively by the centre cap of two far-end transformers from described two signal line.
For providing among power supply and the described step b, described remote monitoring unit specifically comprises among the described step a1 for described far-end power consumption equipment provides the step of power supply:
With described local supply module for power supply that described remote monitoring unit/described far-end power consumption equipment provides just/negative pole is coupled in transmission status enquiry information on the throne respectively or/and in the holding wire of described state information on the throne by the centre cap of one/two local side transformers;
Described local supply module provides another polarity of power supply by the power supply industrial siding that power supply is provided for described far-end power consumption equipment for described remote monitoring unit/described far-end power consumption equipment;
Described remote monitoring unit/described far-end power consumption equipment by the centre cap of one/two far-end transformers from described holding wire, separate decoupling just described/negative power supply.
The described power supply that provides for described remote monitoring unit is: voltage is lower than the power supply of 60VDC.
Described remote monitoring unit also comprises to the pilot signal of the state information on the throne of described local side monitoring unit transmission: producer's information of far-end power consumption equipment, the version information of far-end power consumption equipment.
Described step b specifically comprises:
Described local side monitoring unit according to described pilot signal when definite described far-end power consumption equipment is in state on the throne, control described local supply module discontinuity and provide the power supply of the scheduled time, and detect load current by described current sensing means for described far-end power consumption equipment;
When described local side monitoring unit determines that according to the load current of described detection described far-end power consumption equipment normally inserts, for described far-end power consumption equipment provides lasting power supply.
The power supply of the scheduled time that provides for described far-end power consumption equipment is: high-voltage pulse power source, and described lasting power supply is: DC power supply.
Description by technique scheme as can be known, the present invention monitors the state on the throne of far-end power consumption equipment by the remote monitoring unit is set, make the local side monitoring unit avoid the local supply module when the far-end power consumption equipment is not on the throne, to be the phenomenon of its power supply according to the power up of the State Control local supply module on the throne of far-end power consumption equipment; The local side monitoring unit provides continual and steady power supply by the load current control local side power module that detects according to current sensing means for the far-end power consumption equipment when determining that the far-end power consumption equipment is on the throne, avoided fully being the unsafe factor in the far-end power consumption equipment power supply process, realized intellectuality control the power supply of far-end power consumption equipment; The power supply that provides for the far-end power consumption equipment among the present invention can be by the transmitting, monitoring signal data wire or transmission such as power source special line, technical scheme of the present invention is realized flexibly, when in power supply is coupled in the data wire of transmitting, monitoring signal, offering the far-end power consumption equipment, farthest saved line resource; By transmission during state information on the throne with transmission together such as the work state information of far-end power consumption equipment, producer's information, version informations, make the local side monitoring unit can obtain more information, for the local supply part realizes further that to the far-end power consumption equipment intelligent power supply control provides condition; Thereby the fail safe of raising power up, energy savings, the purpose of conserve network resources have been realized by technical scheme provided by the invention.
Description of drawings
Fig. 1 DSLM equipment that to be local side be positioned at user side for far-end provides the far-end power supply the principle figure of power supply;
Fig. 2 is the electrical structure diagram of the far-end power supply technique of prior art;
Fig. 3 is the remote electric power system schematic diagram one in the communication system of the present invention;
Fig. 4 is the sequential chart of local supply module output voltage of the present invention;
Fig. 5 is the remote electric power system schematic diagram two in the communication system of the present invention;
Fig. 6 is the remote electric power system schematic diagram three in the communication system of the present invention.
Embodiment
Remote electric power system in the communication system provided by the invention mainly comprises: be the local supply part of far-end power consumption equipment power supply, described local supply partly comprises local side monitoring unit and local side power module, is provided with the remote monitoring unit in the described far-end power consumption equipment; The state on the throne of the described remote user equipment of described remote monitoring unit monitors, and the pilot signal of the state information on the throne of described remote user equipment transferred to described local side monitoring unit, described local side monitoring unit is controlled described local supply module according to described state information on the throne and is provided power supply for described far-end power consumption equipment.
Below in conjunction with accompanying drawing remote electric power system provided by the invention and its electrification control method are described in further detail.
Accompanying drawing 3 is remote electric power system schematic diagrames of the present invention.
In Fig. 3, remote electric power system of the present invention mainly comprises: local supply part and far-end power consumption equipment, and local supply partly mainly comprises: local side monitoring unit, current sensing means, two local side transformer Tr1, Tr2 and booster power; Far-end power consumption equipment place is provided with remote monitoring unit and two far-end transformer Tr3, Tr4.
Because in the present embodiment, the local supply part need be boosted its input voltage the back for the power supply of far-end power consumption equipment, so the booster power among Fig. 3 is a local supply module of the present invention.
Local side monitoring unit among the present invention at first needs to obtain the on the throne state information of remote monitoring unit to the far-end power consumption equipment, and determines whether to provide power supply to the far-end power consumption equipment according to the state information on the throne of far-end power consumption equipment.The remote monitoring unit can be when the local side monitoring unit transmits the pilot signal of status enquiry information on the throne, and the pilot signal of the state information on the throne of the far-end power consumption equipment of its monitoring is transferred to the local side monitoring unit.
The power supply of remote monitoring unit can partly be supplied with by local supply, also can be supplied with by other power supplys, as battery etc.
When the power supply of remote monitoring unit was partly supplied with by local supply, its implementation procedure can be as follows:
After local supply partly inserted the input power supply, the local side monitoring unit was at first controlled booster power output safety voltage U 1, and safe voltage U1 should be less than 60VDC.The positive and negative electrode of U1 DC power supply is coupled to two Digital Subscriber Line that are used for the transmitting, monitoring signal respectively by the centre cap of local side coupler Tr1, Tr2, the other end of these two Digital Subscriber Line is connected with the centre cap of far-end transformer Tr3, Tr4 respectively, separate the positive and negative electrode of decoupling U1 power supply by far-end transformer Tr3, Tr4, the remote monitoring unit starts work according to power supply U1, the operating state of monitoring far-end power consumption equipment.
Whether on the throne the local side monitoring unit by TX1 (transmissions) passage transmission far-end power consumption equipment status enquiry information on the throne, status enquiry information on the throne can occur with the form of order, and the character format in the order can be according to definition voluntarily such as concrete applied environments.
After the remote monitoring unit receives the status enquiry information on the throne that the local side monitoring unit sends by the RX2 passage, the state information on the throne of the far-end power consumption equipment of its monitoring is reported to the local side monitoring unit by the TX2 passage.The information that sends together along with state information on the throne can also comprise: producer's information of the operating state of far-end power consumption equipment, far-end power consumption equipment, version information etc.The remote monitoring unit further reports to the local side monitoring unit at any time with the work state information of the far-end power consumption equipment that its monitoring obtains, as when the operating state that monitors the far-end power consumption equipment is unusual, the pilot signal that operating state is unusual reports to the local side monitoring unit.
The local side monitoring unit receives the state information on the throne that the transmission of remote monitoring unit comes by the RX1 passage, when determining that according to state information on the throne the far-end power consumption equipment is on the throne, the output voltage of control booster power is become the high-voltage pulse output state of U2 by the low-voltage U1 output state of safety.The size and the pulse duration of U2 high-voltage pulse value can be provided with according to actual needs.The U2 high-voltage pulse is coupled to two Digital Subscriber Line that are used for the transmitting, monitoring signal respectively by the centre cap of local side transformer Tr1, Tr2 equally, and far-end transformer Tr3, Tr4 separate the positive and negative electrode of decoupling power supply U2, and offer the far-end power consumption equipment.
For guaranteeing power up safety, the local side monitoring unit should provide power supply for the far-end power consumption equipment according to what predetermined time interval was controlled booster power discontinuity, as after providing the U2 high-voltage pulse of T1 time for the far-end power consumption equipment, stop to provide U2 high-voltage pulse for the far-end power consumption equipment, after time, provide the U2 high-voltage pulse of T1 time through T2 again for the far-end power consumption equipment.
When local supply part provided the high-voltage pulse of T1 time for the far-end power consumption equipment, normal if the far-end power consumption equipment inserts, the far-end power consumption equipment can start in the time and is in normal operating conditions at T1.At this moment, current sensing means detects the load current of far-end power consumption equipment, and the It of load current as a result that will detect transfers to the local side monitoring unit, the local side monitoring unit is according to the detected load current It of current sensing means, when definite far-end power consumption equipment is in normal operating conditions, as at load current It during greater than predetermined current threshold values Ith, then definite far-end power consumption equipment normally inserts and is in normal operating conditions, and the output voltage of local side monitoring unit control booster power becomes the stable power output state by the high-voltage pulse output state of U2.Stable power can be the galvanic current source.
DC power supply is coupled to two Digital Subscriber Line that are used for the transmitting, monitoring signal respectively by the centre cap of local side transformer Tr1, Tr2 equally, and far-end transformer Tr3, Tr4 separate the positive and negative electrode of decoupling DC power supply, and offer the far-end power consumption equipment.
In the embodiment that describes in conjunction with Fig. 3, only need two digital subscriber line, these two Digital Subscriber Line promptly can be used for pilot signals such as transmission status enquiry information on the throne, state information on the throne between local side monitoring unit and the remote monitoring unit, and also can be used for the local supply module provides power supply for the far-end power consumption equipment.
The voltage sequential chart of local side monitoring unit control booster power output as shown in Figure 4.
In Fig. 4, the safety power supply that voltage U 1 provides for the remote monitoring unit for local side monitoring unit control booster power.Voltage U 2 is that the local side monitoring unit is when definite far-end power consumption equipment is in state on the throne, the high-voltage pulse power source that the control booster power provides for the far-end power consumption equipment, T3 is the size of high-voltage pulse value, T4 is the width of high-voltage pulse, T1 provides the duration of high-voltage pulse output for booster power, the intermittent time that T2 provides high-voltage pulse to export for booster power, T5 provides the time in galvanic current source for local side monitoring unit control booster power.
In the above-mentioned embodiment that describes in conjunction with Fig. 3, adopted duplexing communication mode to realize message transmission between remote monitoring unit and the local side monitoring unit.When also can carrying out message transmission between remote monitoring unit and local side monitoring unit, the present invention adopts the communication mode of full duplex.
When adopting the communication mode of full duplex, the local supply part only need be provided with a local side transformer, and far-end power consumption equipment place also only need be provided with a far-end transformer.The negative or positive electrode of local supply module is connected with the centre cap of local side transformer, and be coupled in the Digital Subscriber Line of transmitting, monitoring signal, another polarity of local supply module directly is connected with remote monitoring unit, far-end power consumption equipment for the far-end power consumption equipment provides the power supply industrial siding of power supply by another.The far-end transformer is separated electric power polarity in the connected Digital Subscriber Line of decoupling by centre cap, and offers remote monitoring unit, far-end power consumption equipment, and other implementation procedures and above-mentioned description process at Fig. 3 are basic identical, are not described in detail at this.
Accompanying drawing 5 also is a remote electric power system schematic diagram of the present invention.
In Fig. 5, remote electric power system of the present invention mainly comprises: local supply part and far-end power consumption equipment, and the local supply part mainly comprises: local side monitoring unit, current sensing means and booster power; Be provided with the remote monitoring unit in the far-end power consumption equipment.
Equally, the booster power among Fig. 5 is a local supply module of the present invention.
Local side monitoring unit among the present invention at first needs to obtain the on the throne state information of remote monitoring unit to the far-end power consumption equipment, determines whether the far-end power consumption equipment is powered according to the state information on the throne of far-end power consumption equipment.The remote monitoring unit can receive the local side monitoring unit when transmitting the pilot signal of status enquiry information on the throne, and the pilot signal of the state information on the throne of the far-end power consumption equipment of its monitoring is transferred to the local side monitoring unit.
Equally, the power supply of remote monitoring unit can partly be supplied with by local supply, also can be supplied with by other power supplys, as battery etc.
When the power supply of remote monitoring unit was partly supplied with by local supply, its implementation procedure was as follows:
After local supply partly inserted the input power supply, the local side monitoring unit was at first controlled booster power output safety voltage U 1, and safe voltage U1 should be less than 60VDC.The positive and negative electrode of U1 DC power supply directly transfers to the remote monitoring unit by power line.
The pilot signal of the status enquiry information on the throne whether TX1 (transmissions) the passage transmission far-end power consumption equipment of the special digital subscribers feeder of local side monitoring unit by the transmitting, monitoring signal is on the throne, status enquiry information on the throne can occur with the form of order, and the character format in the order can be according to definition voluntarily such as concrete applied environments.
After the remote monitoring unit receives the status enquiry information on the throne that the local side monitoring unit sends by the RX2 passage, the state information on the throne of the far-end power consumption equipment of its monitoring TX2 passage by the special digital subscribers feeder of another transmitting, monitoring signal is reported to the local side monitoring unit.The information that sends together along with state information on the throne can also comprise: producer's information of the operating state of far-end power consumption equipment, far-end power consumption equipment, version information etc.The remote monitoring unit further reports to the local side monitoring unit at any time with the work state information of the far-end power consumption equipment that its monitoring obtains, as when the operating state that monitors the far-end power consumption equipment is unusual, the pilot signal that operating state is unusual reports to the local side monitoring unit.
The local side monitoring unit receives the state information on the throne that the transmission of remote monitoring unit comes by the RX1 passage, when determining that according to state information on the throne the far-end power consumption equipment is on the throne, the output voltage of control booster power is become the high-voltage pulse output state of U2 by the low-voltage U1 output state of safety.The size and the pulse duration of U2 high-voltage pulse value can be provided with according to actual needs.The U2 high-voltage pulse directly offers the far-end power consumption equipment by power line equally.
For guaranteeing power up safety, the local side monitoring unit should provide power supply for the far-end power consumption equipment according to what predetermined time interval was controlled booster power discontinuity, as after providing the U2 high-voltage pulse of T1 time for the far-end power consumption equipment, stop to provide U2 high-voltage pulse for the far-end power consumption equipment, after time, provide the U2 high-voltage pulse of T1 time through T2 again for the far-end power consumption equipment.
When local supply part provided the high-voltage pulse of T1 time for the far-end power consumption equipment, normal if the far-end power consumption equipment inserts, the far-end power consumption equipment can start in the time and is in normal operating conditions at T1.At this moment, current sensing means detects the load current of far-end power consumption equipment, and the It of load current as a result that will detect transfers to the local side monitoring unit, the local side monitoring unit is according to the detected load current It of current sensing means, when definite far-end power consumption equipment is in normal operating conditions, as at load current It during greater than predetermined current threshold values Ith, then definite far-end power consumption equipment normally inserts and is in normal operating conditions, and the output voltage of local side monitoring unit control booster power becomes the stable power output state by the high-voltage pulse output state of U2.Stable power can be the galvanic current source.This DC power supply directly offers the far-end power consumption equipment by power line equally.
In the embodiment that describes in conjunction with Fig. 5, need four digital subscriber line, wherein two Digital Subscriber Line are used for transmission information on the throne between local side monitoring unit and the remote monitoring unit, and two Digital Subscriber Line are used for the local supply module in addition provides power supply for far-end power consumption equipment and remote monitoring unit.
In the above-mentioned embodiment that describes in conjunction with Fig. 5, adopted duplexing communication mode to realize message transmission between remote monitoring unit and the local side monitoring unit.When also can carrying out message transmission between remote monitoring unit and local side monitoring unit, the present invention adopts the communication mode of full duplex.
When adopting the communication mode of full duplex, local side monitoring unit and remote monitoring unit only need carry out the transmission of pilot signal by a Digital Subscriber Line, and other implementation procedures and above-mentioned description process at Fig. 5 are basic identical, are not described in detail at this.
Accompanying drawing 6 is remote electric power system schematic diagram of the present invention equally.
In Fig. 6, remote electric power system of the present invention mainly comprises: local supply part and far-end power consumption equipment, and local supply partly mainly comprises: local side monitoring unit, current sensing means, two local side transformer Tr1, Tr2 and booster power; Far-end power consumption equipment place is provided with remote monitoring unit and two far-end transformer Tr3, Tr4.
Equally, the booster power among Fig. 6 is a local supply module of the present invention.
Local side monitoring unit among the present invention at first needs to obtain the on the throne state information of remote monitoring unit to the far-end power consumption equipment, determines whether the far-end power consumption equipment is powered according to the state information on the throne of far-end power consumption equipment.The remote monitoring unit can be when the local side monitoring unit transmits the pilot signal of status enquiry information on the throne, and the pilot signal of the state information on the throne of the far-end power consumption equipment of its monitoring is transferred to the local side monitoring unit.The power supply of remote monitoring unit can partly be supplied with by local supply, also can be supplied with by other power supplys, as battery etc.
When the power supply of remote monitoring unit was partly supplied with by local supply, its implementation procedure was as follows:
After local supply partly inserted the input power supply, the local side monitoring unit was at first controlled booster power output safety voltage U 1, and safe voltage U1 should be less than 60VDC.The U1 DC power supply just/negative pole is coupled to two Digital Subscriber Line that are used for the transmitting, monitoring signal by the centre cap of local side coupler Tr1, Tr2, the other end of these two Digital Subscriber Line is connected with the centre cap of far-end transformer Tr3, Tr4 respectively, by far-end transformer Tr3, Tr4 separate decoupling U1 power supply just/negative pole, another polarity of U1 DC power supply directly transfers to the remote monitoring unit by the two other Digital Subscriber Line, the remote monitoring unit starts work according to power supply U1, the operating state of monitoring far-end power consumption equipment.
The status enquiry information on the throne whether TX1 (transmissions) the passage transmission far-end power consumption equipment of the Digital Subscriber Line of local side monitoring unit by the transmitting, monitoring signal is on the throne, status enquiry information on the throne can occur with the form of order, and the character format in the order can be according to definition voluntarily such as concrete applied environments.
After the remote monitoring unit receives the status enquiry information on the throne that the local side monitoring unit sends by the RX2 passage, the state information on the throne of the far-end power consumption equipment of its monitoring TX2 passage by the Digital Subscriber Line of another transmitting, monitoring signal is reported to the local side monitoring unit.The information that sends together along with state information on the throne can also comprise: producer's information of the operating state of far-end power consumption equipment, far-end power consumption equipment, version information etc.The remote monitoring unit further reports to the local side monitoring unit at any time with the work state information of the far-end power consumption equipment that its monitoring obtains, as when the operating state that monitors the far-end power consumption equipment is unusual, the pilot signal that operating state is unusual reports to the local side monitoring unit.
The local side monitoring unit receives the state information on the throne that the transmission of remote monitoring unit comes by the RX1 passage, when determining that according to state information on the throne the far-end power consumption equipment is on the throne, the output voltage of control booster power is become the high-voltage pulse output state of U2 by the low-voltage U1 output state of safety.The size and the pulse duration of U2 high-voltage pulse value can be provided with according to actual needs.
A polarity of U2 high-voltage pulse is coupled to two Digital Subscriber Line that are used for the transmitting, monitoring signal respectively by the centre cap of local side transformer Tr1, Tr2 equally, far-end transformer Tr3, Tr4 separate decoupling power supply U2 just/negative pole, offer the far-end power consumption equipment, another polarity of U2 high-voltage pulse directly directly offers the far-end power consumption equipment by the two other Digital Subscriber Line.
For guaranteeing power up safety, the local side monitoring unit should provide power supply for the far-end power consumption equipment according to what predetermined time interval was controlled booster power discontinuity, as after providing the U2 high-voltage pulse of T1 time for the far-end power consumption equipment, stop to provide U2 high-voltage pulse for the far-end power consumption equipment, after time, provide the U2 high-voltage pulse of T1 time through T2 again for the far-end power consumption equipment.
When local supply part provided the high-voltage pulse of T1 time for the far-end power consumption equipment, normal if the far-end power consumption equipment inserts, the far-end power consumption equipment can start in the time and is in normal operating conditions at T1.At this moment, current sensing means detects the load current of far-end power consumption equipment, and the It of load current as a result that will detect transfers to the local side monitoring unit, the local side monitoring unit is according to the detected load current It of current sensing means, when definite far-end power consumption equipment is in normal operating conditions, as at load current It during greater than predetermined current threshold values Ith, then definite far-end power consumption equipment normally inserts and is in normal operating conditions, and the output voltage of local side monitoring unit control booster power becomes the stable power output state by the high-voltage pulse output state of U2.Stable power can be the galvanic current source.
A polarity in galvanic current source is coupled to two Digital Subscriber Line that are used for the transmitting, monitoring signal respectively by the centre cap of local side transformer Tr1, Tr2 equally, far-end transformer Tr3, Tr4 separate the decoupling DC power supply just/negative pole, offer the far-end power consumption equipment, another polarity of DC power supply directly directly offers the far-end power consumption equipment by the two other Digital Subscriber Line.
In the embodiment that describes in conjunction with Fig. 6, need four digital subscriber line, wherein two Digital Subscriber Line are used for transmitting, monitoring signal between local side monitoring unit and the remote monitoring unit and for far-end power consumption equipment and remote monitoring unit provide a polarity of power supply, two Digital Subscriber Line are used for the local supply module provides power supply for far-end power consumption equipment and remote monitoring unit another polarity in addition.
In the above-mentioned embodiment that describes in conjunction with Fig. 6, adopted duplexing communication mode to realize message transmission between remote monitoring unit and the local side monitoring unit.When also can carrying out message transmission between remote monitoring unit and local side monitoring unit, the present invention adopts the communication mode of full duplex.
When adopting the communication mode of full duplex, the local supply part only need be provided with a local side transformer, and far-end power consumption equipment place also only need be provided with a far-end transformer.The negative or positive electrode of local supply module is connected with the centre cap of local side transformer, and be coupled in the Digital Subscriber Line of transmission information on the throne, another polarity of local supply module directly is connected with remote monitoring unit, far-end power consumption equipment by other rule Digital Subscriber Line.The far-end transformer is separated a polarity of the power supply in the connected Digital Subscriber Line of decoupling by centre cap, and offer remote monitoring unit, far-end power consumption equipment, other implementation procedures and above-mentioned description process at Fig. 6 are basic identical, are not described in detail at this.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, and the claim of application documents of the present invention comprises these distortion and variation.
Claims (13)
1, a kind of remote electric power system includes: be the local supply part of far-end power consumption equipment power supply, it is characterized in that described local supply partly comprises: local side monitoring unit and local side power module are provided with the remote monitoring unit in the described far-end power consumption equipment;
The state on the throne of the described far-end power consumption equipment of described remote monitoring unit monitors, and the pilot signal of the state on the throne of described far-end power consumption equipment transferred to described local side monitoring unit, described local side monitoring unit is controlled described local supply module according to described pilot signal and is provided power supply for described far-end power consumption equipment.
2, a kind of remote electric power system as claimed in claim 1 is characterized in that, described local supply part also is provided with the current sensing means that detects load current, and described current sensing means is connected with described local supply module, local side monitoring unit respectively;
It is described far-end power consumption equipment power supply that the load current that described local side monitoring unit detects according to described current sensing means is controlled described local supply module.
3, a kind of remote electric power system as claimed in claim 1 or 2 is characterized in that, described local supply part also is provided with the local side transformer, and described far-end power consumption equipment also is provided with the far-end transformer;
The centre cap of described local side transformer is connected with the local supply module, with the local supply module just/negative pole is coupled in the described pilot signal;
The centre cap of described far-end transformer from described pilot signal, separate decoupling just/negative power supply, and offer described far-end power consumption equipment.
4, a kind of remote electric power system as claimed in claim 3 is characterized in that, described local side transformer is 1 or 2, and described far-end transformer corresponds to 1 or 2.
5, a kind of remote power feeding method is characterized in that, comprises the steps:
The state on the throne of a, remote monitoring unit monitors far-end power consumption equipment, and the pilot signal of described state on the throne transferred to the local side monitoring unit;
B, described local side monitoring unit provide power supply according to the pilot signal control local side power module of described state on the throne for described far-end power consumption equipment.
6, a kind of remote power feeding method as claimed in claim 5 is characterized in that described step a specifically comprises:
A1, described local side monitoring unit is controlled described local supply module provides power supply for the remote monitoring unit;
A2, described local side monitoring unit send status enquiry information on the throne to described remote monitoring unit;
A3, described remote monitoring unit are sent to described local side monitoring unit with the pilot signal of its state on the throne that monitors after receiving described status enquiry information on the throne.
7, a kind of remote power feeding method as claimed in claim 6 is characterized in that, specifically comprises for described far-end power consumption equipment provides the step of power supply for described remote monitoring unit provides among power supply and the described step b among the described step a1:
Described local supply module provides power supply by the power supply industrial siding that power supply is provided for described far-end power consumption equipment for described remote monitoring unit/far-end power consumption equipment.
8, a kind of remote power feeding method as claimed in claim 6 is characterized in that, specifically comprises for described far-end power consumption equipment provides the step of power supply for described remote monitoring unit provides among power supply and the described step b among the described step a1:
Described local supply module is coupled in respectively in two signal line of transmission status enquiry information on the throne, described state information on the throne for the positive and negative electrode of described remote monitoring unit/power supply that described far-end power consumption equipment the provides centre cap by two local side transformers;
Described remote monitoring unit/described far-end power consumption equipment is separated the described positive and negative electrode power supply of decoupling respectively by the centre cap of two far-end transformers from described two signal line.
9, a kind of remote power feeding method as claimed in claim 6 is characterized in that, specifically comprises for described far-end power consumption equipment provides the step of power supply for described remote monitoring unit provides among power supply and the described step b among the described step a1:
With described local supply module for power supply that described remote monitoring unit/described far-end power consumption equipment provides just/negative pole is coupled in transmission status enquiry information on the throne respectively or/and in the holding wire of described state information on the throne by the centre cap of one/two local side transformers;
Described local supply module provides another polarity of power supply by the power supply industrial siding that power supply is provided for described far-end power consumption equipment for described remote monitoring unit/described far-end power consumption equipment;
Described remote monitoring unit/described far-end power consumption equipment by the centre cap of one/two far-end transformers from described holding wire, separate decoupling just described/negative power supply.
10, as claim 6,7,8 or 9 described a kind of remote power feeding methods, it is characterized in that the described power supply that provides for described remote monitoring unit is: voltage is lower than the power supply of 60VDC.
11, as claim 5,6,7,8 or 9 described a kind of remote power feeding methods, it is characterized in that described remote monitoring unit also comprises to the pilot signal of the state information on the throne of described local side monitoring unit transmission: the work state information of far-end power consumption equipment, producer's information of far-end power consumption equipment, version information.
12, as claim 5,6,7,8 or 9 described a kind of remote power feeding methods, it is characterized in that described step b specifically comprises:
Described local side monitoring unit according to described pilot signal when definite described far-end power consumption equipment is in state on the throne, control described local supply module discontinuity and provide the power supply of the scheduled time, and detect load current by described current sensing means for described far-end power consumption equipment;
When described local side monitoring unit determines that according to the load current of described detection described far-end power consumption equipment normally inserts, for described far-end power consumption equipment provides lasting power supply.
13, a kind of remote power feeding method as claimed in claim 12 is characterized in that, the power supply of the scheduled time that provides for described far-end power consumption equipment is: high-voltage pulse power source, and described lasting power supply is: DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510064672XA CN100544263C (en) | 2005-04-19 | 2005-04-19 | A kind of remote electric power system and its electrification control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510064672XA CN100544263C (en) | 2005-04-19 | 2005-04-19 | A kind of remote electric power system and its electrification control method |
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| CN1855827A true CN1855827A (en) | 2006-11-01 |
| CN100544263C CN100544263C (en) | 2009-09-23 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100372285C (en) * | 2005-04-30 | 2008-02-27 | 华为技术有限公司 | Remote power supply system and method |
| WO2012055300A1 (en) * | 2010-10-28 | 2012-05-03 | 南京大学 | Long-distance constant-voltage electricity-feeding method with wake-up function and system |
| CN103181116A (en) * | 2010-10-27 | 2013-06-26 | 大众汽车有限公司 | Network and method for operating a network |
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| CN114530939A (en) * | 2022-02-11 | 2022-05-24 | 深圳天地宽视信息科技有限公司 | Remote monitoring device and method for two-wire centralized power supply |
| CN114678955A (en) * | 2022-03-31 | 2022-06-28 | 苏州浪潮智能科技有限公司 | Double-wire power supply remote control device, control method and electrical equipment |
| WO2024067553A1 (en) * | 2022-09-30 | 2024-04-04 | 华为技术有限公司 | Power distribution method and device |
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2005
- 2005-04-19 CN CNB200510064672XA patent/CN100544263C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372285C (en) * | 2005-04-30 | 2008-02-27 | 华为技术有限公司 | Remote power supply system and method |
| CN103181116A (en) * | 2010-10-27 | 2013-06-26 | 大众汽车有限公司 | Network and method for operating a network |
| CN103181116B (en) * | 2010-10-27 | 2015-11-25 | 大众汽车有限公司 | Network and the method for operational network |
| WO2012055300A1 (en) * | 2010-10-28 | 2012-05-03 | 南京大学 | Long-distance constant-voltage electricity-feeding method with wake-up function and system |
| CN109189194A (en) * | 2018-08-15 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of method and system controlling hard disk power-on and power-off |
| CN114530939A (en) * | 2022-02-11 | 2022-05-24 | 深圳天地宽视信息科技有限公司 | Remote monitoring device and method for two-wire centralized power supply |
| CN114678955A (en) * | 2022-03-31 | 2022-06-28 | 苏州浪潮智能科技有限公司 | Double-wire power supply remote control device, control method and electrical equipment |
| CN114678955B (en) * | 2022-03-31 | 2024-01-16 | 苏州浪潮智能科技有限公司 | Double-wire power supply remote control device, control method and electric equipment |
| WO2024067553A1 (en) * | 2022-09-30 | 2024-04-04 | 华为技术有限公司 | Power distribution method and device |
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| CN100544263C (en) | 2009-09-23 |
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