CN1859127A - System for supplying power to internet device far end - Google Patents

System for supplying power to internet device far end Download PDF

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Publication number
CN1859127A
CN1859127A CN 200610002737 CN200610002737A CN1859127A CN 1859127 A CN1859127 A CN 1859127A CN 200610002737 CN200610002737 CN 200610002737 CN 200610002737 A CN200610002737 A CN 200610002737A CN 1859127 A CN1859127 A CN 1859127A
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China
Prior art keywords
supply
local
power
far end
processing module
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CN 200610002737
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CN100389560C (en
Inventor
肖瑞杰
马军
秦真
周英捷
张留安
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

This invention discloses a system for remote supplying to internet devices, which applies a transmission circuit of the channels transmitting signals to supply to remote devices, a local supply accesses the transmission circuit of the channel connecting the local device and remote device, which is connected with the power input end of the remote device by a remote supply process module, which can apply a same circuit to tramsmit electricity and transmits network signals to reach the aim of supplying to the far end without increasing power transmission circuits.

Description

A kind of system to the internet device far end power supply
Technical field
The present invention relates to power transmission technology field, particularly a kind of system to the internet device far end power supply.
Background technology
At present, the Access Network that is used to connect between core network and the user adopts multiple access technology, comprise the Ethernet access technology of comparative maturity and the various digital user line technologies that develop day by day, as ADSL (Asymmetric Digital Subscriber Line) (Asymmetrical Digital Subscriber Line, ASDL), Very-high-speed Digital Subscriber Line (Very-high-bit-rate Digital Subscriber Line, VDSL) and single-line high speed digital subscriber line (Single-pair High-bit-rate Digital Subscriber Line, SHD SL) etc.
In the practical application of these access technologies, usually remote equipment is adopted the mode of power supplied locally.Here, network manager one side is called local side, is called far-end with the corresponding opposite side of local side.As shown in Figure 1, local side apparatus 101 is connected by signalling channel 103 with remote equipment 102 and carries out the mutual of network signal by signalling channel 103, in order to reduce the Line Attenuation of signal when transmitting, the network signal that is transmitted on signalling channel 103 is a high-voltage signal, local side and far-end are provided with local side transformer 104 and far-end transformer 105 respectively, are used for the voltage transitions between the high-voltage signal of the low-voltage signal of equipment side and channel side.Local side is powered with 106 pairs of local side apparatus of local supply 101, and far-end is provided with far end supply 107 and is used for remote equipment 102 is carried out power supplied locally.
In some cases, may need the internet device of far-end is carried out the far-end power supply, for example: terminal equipment can not be powered continuously, does not perhaps have available power supply and causes the terminal equipment can not steady operation; When constructing local network, many terminal equipments that distribute in limited space may make cost too high if each terminal equipment disposes power supply separately; In Ethernet networking and wireless network are used, in the transmission of local side to base station or base station to terminal etc., also to guarantee not cause communication disruption because of the remote equipment power supply trouble, perhaps in order to reduce cost, and do not provide the local power supply of remote equipment.
The scheme that prior art is carried out far-end power supply to remote equipment as shown in Figure 2, local side apparatus 201 is connected by signalling channel 203 with remote equipment 202 and carries out the mutual of network signal by signalling channel 203, and is provided with the high-low pressure conversion that local side transformer 204 and far-end transformer 205 are used for equipment side signal and channel side signal; Local supply 206 is connected on the far end supply processing module 207 by transmission line 207 when being local side apparatus 201 power supplies, is undertaken being remote equipment 202 power supplies after rectification, pressure regulation, the voltage stabilizing by far end supply processing module 207.
There is following shortcoming in the mode of said distal ends power supply:
One group of transmission line need be provided separately for powering, therefore can increase cost, can not provide the occasion of transmission line then can't realize separately at some;
When communication distance is far away,, can't guarantee the power reguirements of remote equipment because line loss causes the power decay bigger.
Summary of the invention
In view of this, the objective of the invention is to, propose a kind of system, when not increasing power supply transmission line, reach purpose the remote equipment power supply to the internet device far end power supply.
System of the present invention comprises local supply, signal channel transmission lines, local side apparatus and remote equipment, and local side apparatus is connected by signal channel transmission lines with remote equipment, the far end supply processing module; Wherein,
Described far end supply processing module inserts the power input of signal channel transmission lines and remote equipment respectively, formed by transformer and rectifier and interlock circuit, be used for and carry out rectification, pressure regulation, voltage stabilizing processing from the supply power voltage and the electric current of signal channel transmission lines, and utilize supply power voltage and electric current after handling that remote equipment is powered;
Local supply inserts signal channel transmission lines, is used for supply power voltage and electric current are coupled to signal channel transmission lines;
Signal channel transmission lines is used to transmit supply power voltage and electric current.
Preferably, described far end supply processing module also further comprises far end supply and the far end supply power supply circuits to remote equipment, and the function of far end supply processing module further comprises: described power supply circuits and the local supply power supply circuits to remote equipment are switched.
Described local supply can be DC power supply or AC power, when the local side power supply is DC power supply,
The channel side coil of the local side transformer of described signal channel transmission lines has centre tap;
Described local supply inserts signal channel transmission lines: the two poles of the earth of local supply output respectively connect a power line, and described power line is connected to tapped the two poles of the earth of the local side transformer channels lateral coil in the signal channel transmission lines respectively;
The channel side coil of the far-end transformer of described signal channel transmission lines has centre tap;
Described far end supply processing module inserts signal channel transmission lines:
The two poles of the earth of the input of far end supply processing module connect two power lines respectively, and described power line is connected to tapped the two poles of the earth of the far-end transformer channels lateral coil of signal channel transmission lines respectively;
Described far end supply processing module inserts the remote equipment power input:
The both positive and negative polarity of far end supply processing module output is connected to the both positive and negative polarity of remote equipment power input respectively by power line.
When described local supply is AC power,
Described local supply inserts signal channel transmission lines: the ground wire of local supply output and live wire are connected respectively to the two ends of the local side transformer equipment lateral coil in the signal channel transmission lines;
Described far end supply processing module inserts signal channel transmission lines:
The ground wire of the input of far end supply processing module and live wire are connected respectively to the two ends of the far-end transformer channels lateral coil of signal channel transmission lines;
Described far end supply processing module inserts the remote equipment power input:
The both positive and negative polarity of far end supply processing module output is connected to the both positive and negative polarity of remote equipment power input respectively by power line.
Preferably, the above far end supply processing module insert remote equipment power input can also for:
The remote equipment power input connects the output of far end supply processing module by the plug of not distinguishing power positive cathode.
When if the distance of described remote equipment and local side apparatus is far away,, can adopt the scheme of binary channels far-end power supply for the power loss that overcomes transmission line causes problem to remote equipment output power deficiency; The signalling channel of then described connection local side apparatus and remote equipment comprises signalling channel one, signalling channel two, and described local supply comprises local supply one, local supply two,
Described local supply inserts signal channel transmission lines: local supply one inserts the transmission line of the signalling channel one that connects local side apparatus and remote equipment, and local supply two inserts the transmission line of the signalling channel two that connects local side apparatus and remote equipment;
Described far end supply processing module inserts signal channel transmission lines: the far end supply processing module inserts the transmission line of signalling channel one and the transmission line of signalling channel two respectively.
The function of described far end supply processing module further comprises: will handle as parallel connection power supply from the supply power voltage and the electric current of two groups of signal channel transmission lines.
Described local supply one and local supply two can be two outputs of same power supply.
According to above invention scheme as can be seen, because transmission of electricity and transmission network signal adopt same set of circuit, therefore need not additionally increase once the cover transmission line and can realize the far-end network power devices, transformation to existing equipment is little, has satisfied actual demand when having saved the cost of transmission of electricity again.The present invention program can also carry out the binary channels power supply to the longer-distance network equipment, satisfies longer-distance power demands; And, more can satisfy multiple actual needs and deal with emergency situations by taking over seamlessly of local power supply power supply and far-end power supply.
Description of drawings
Fig. 1 is the system schematic that remote equipment is adopted the local power supply power supply;
Fig. 2 carries out the system schematic of far-end power supply to remote equipment for prior art;
Fig. 3 carries out the system schematic of far-end power supply for a pair of remote equipment of the embodiment of the invention;
Fig. 4 carries out the system schematic of far-end power supply for two pairs of remote equipments of the embodiment of the invention;
Fig. 5 carries out the system schematic of far-end power supply for three pairs of remote equipments of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is further elaborated below in conjunction with accompanying drawing.
The present invention adopts signal channel transmission lines to reach purpose to the remote equipment power supply as the transmission line of electricity, and different according to the concrete structure of system and connected mode are divided into following three embodiment:
Embodiment one: use DC power supply by the system of a signalling channel to the remote equipment power supply.
The schematic diagram of present embodiment system as shown in Figure 3.Local side apparatus 301 is connected by signalling channel 303 with remote equipment 302, and carries out the mutual of network signal by signalling channel 303.In order to reduce the Line Attenuation of signal when transmitting, the network signal that is transmitted on signalling channel 303 is a high-voltage signal, local side and far-end are provided with local side transformer 304 and far-end transformer 305 respectively, are used for the voltage transitions between the high-voltage signal of the low-voltage signal of equipment side and channel side.
Local supply 3061 is a DC power supply, is connected on the local side apparatus 301 and to local side apparatus 301 to power; Local supply 3062 also is a DC power supply, be connected on the coil of channel side of local side transformer 304, the concrete mode of this connection can for: the channel side coil of described local side transformer 304 has centre tap, link tapped the two poles of the earth respectively from the power line that the both positive and negative polarity of local supply 3062 is drawn, like this, the direct voltage from local supply 3062 outputs is coupled on the signalling channel 303.Far end supply processing module 307 is connected on the coil of channel side of far-end transformer 305, concrete connected mode can for: from two power lines that draw respectively at the two poles of the earth of the input of far end supply processing module 307, be connected respectively to tapped the two poles of the earth of far-end transformer 305 channel side coils.Like this, on the far end supply processing module 307 that is added in through the transmission of signalling channel 303 from the direct voltage of local supply 3062, far end supply processing module 307 is carried out rectification, pressure regulation, voltage stabilizing to the voltage of input again, both positive and negative polarity by output is connected on the remote equipment 302, thereby has reached remote equipment 302 power supplies.
Above-mentioned far end supply processing module 307 is made up of transformer, rectifier and corresponding circuit, its function is carried out rectification, pressure regulation, voltage stabilizing for the direct voltage with input, constant in output output, satisfy direct voltage and electric current that remote equipment input requires, and the both positive and negative polarity of voltage or electric current does not change with the difference of the cut-in method of local supply 3062.
The input requirement that the direct voltage of above-mentioned local supply 3061 outputs and electric current will satisfy local side apparatus, the direct voltage of local supply 3062 outputs and electric current transmit because will insert the transmission line of signalling channel 303, in order to reduce line loss and to provide certain power output to satisfy power reguirements to remote equipment 302, therefore output voltage is high as much as possible, electric current is as much as possible little, its occurrence can determine that the present invention does not limit this electric current and voltage value in principle according to actual needs at this.
Local supply 3061 and local supply 3062 can be separately independently, also can be two outputs of same local supply, and these two outputs are as long as satisfy above-mentioned output requirement respectively.
Embodiment two: use DC power supply by the system of two signalling channels to the remote equipment power supply.
The schematic diagram of present embodiment system as shown in Figure 4.Local side apparatus 401 also is connected by signalling channel 4032 when being connected by signalling channel 4031 with remote equipment 402, the emission side of signal, and promptly local side apparatus 401 or remote equipment 402 are launched identical network signal by this two barss passage simultaneously; The recipient of signal, promptly remote equipment 402 or local side apparatus 401 will receive the network signal after merging again after will merging from the network signal of this two barss channel transfer.When the distance of remote equipment is distant, often adopt this twin-channel signal transmission form to improve the signal power that receiving side signal can receive.For signalling channel 4031 and signalling channel 4032, local side transformer 4041 and local side transformer 4042 and far-end transformer 4051 and far-end transformer 4052 are set respectively.
Local supply 4061 is DC power supply, be connected on the coil of channel side of local side transformer 4041, the concrete mode of this connection can for: the channel side coil of described local side transformer 4041 has centre tap, links tapped the two poles of the earth respectively from the power line that the both positive and negative polarity of local supply 4061 is drawn.Like this, the direct voltage from local supply 4061 outputs is coupled on the signalling channel 4031.Local supply 4062 is adopted in the same way the direct voltage of exporting is coupled on the signalling channel 4032.Far end supply processing module 407 is connected on the coil of channel side of far-end transformer 4051, concrete connected mode can for: two power lines of drawing from the input of far end supply processing module 407 are connected to tapped the two poles of the earth of far-end transformer 4051 channel side coils respectively.Like this, pass through the transmission of signalling channel 4031, be added on the far end supply processing module 407 from the direct voltage of local supply 4061.Far end supply processing module 407 takes same mode to be connected on the coil of channel side of far-end transformer 4052, like this, from the transmission through signalling channel 4032 of the direct voltage of local supply 4062, also is added on the far end supply processing module 407.407 pairs of voltages from these two signalling channels of far end supply processing module close the road and handle, and after rectification, pressure regulation, voltage stabilizing, the both positive and negative polarity by output is connected on the remote equipment 402, thereby has reached remote equipment 402 power supplies.In addition, 4063 pairs of local side apparatus 401 of local supply provide and satisfy the dc voltage and current that its input requires.
Above-mentioned far end supply processing module 407 is made up of transformer, rectifier and corresponding circuit, its function inserts as parallel connection power supply for direct voltage or the electric current with two groups of inputs, again it is carried out rectification, pressure regulation, voltage stabilizing, constant in output output, satisfy the road dc voltage and current that remote equipment input requires, and the both positive and negative polarity of voltage or electric current does not change with the difference of the cut-in method of local supply 4061 or local supply 4062.
The direct voltage of local supply 4061 and local supply 4062 outputs and electric current transmit because will insert the transmission line of signalling channel 4031 and signalling channel 4032 respectively, in order to reduce line loss and to provide certain power output to satisfy power reguirements to remote equipment 402, therefore output voltage is high as much as possible, electric current is as much as possible little, its occurrence can determine that the present invention does not limit this electric current and voltage value in principle according to actual needs at this.
Local supply 4061, local supply 4062 and local supply 4063 can be separately independently, also can be wherein any two two outputs as same local supply, perhaps these three all is three outputs of same local supply, requires as long as the electric current and voltage of its output satisfies above-mentioned output respectively.
Embodiment three, the system that uses AC power remote equipment to be powered by a signalling channel.
The schematic diagram of present embodiment system as shown in Figure 5.Local side apparatus 501 is connected by signalling channel 503 with remote equipment 502, and carries out the mutual of network signal by signalling channel 503.In order to reduce the Line Attenuation of signal when transmitting, the network signal that is transmitted on signalling channel 503 is a high-voltage signal, local side and far-end are provided with local side transformer 504 and far-end transformer 505 respectively, are used for the voltage transitions between the high-voltage signal of the low-voltage signal of equipment side and channel side.
Local supply 5061 is a DC power supply, is connected on the local side apparatus 501 and to local side apparatus 501 to power; Local supply 5062 is an AC power, two power lines of drawing from local supply 5062 outputs are connected to the two ends of local side transformer 504 equipment side coils respectively, after amplifying through the pressure regulation of local side transformer 504 from the alternating current of the low voltage of local supply 5062 output like this, the alternating current that becomes high voltage is coupled on the transmission line of signalling channel 503.The input of far-end voltage processing module 507 is drawn the two ends that two power lines are connected on far-end transformer 505 equipment side coils respectively.Like this, the alternating current of the high voltage on the transmission line of signalling channel 503 becomes the alternating current of low voltage and is input to the input of far-end voltage processing module 507 after the pressure regulation of far-end transformer 505.Far-end voltage processing module 507 with the alternating current of input after rectification, pressure regulation, voltage stabilizing, constant in output output, satisfy direct voltage and electric current that the remote equipment input requires and the power input that inserts remote equipment 502.
The far end supply processing module 507 of present embodiment is made up of transformer, rectifier and corresponding circuit, its function is carried out rectification, pressure regulation, voltage stabilizing for the alternating current with input, constant in output output, satisfy direct voltage or electric current that the remote equipment input requires.
Adopt AC power to carry out the far-end power supply in the present embodiment, and utilized the voltage regulation function of local side transformer 504 and far-end transformer 505, can adopt than the low-voltage alternating current power supply power supply and realize the higher pressure transmission, reduced the line loss of power supply.And the mode of this interchange far-end power supply also can be carried out the binary channels power supply with reference to the method for embodiment two, further improves the electrical power that receiving terminal can receive.
For fear of owing to adopt AC power to carry out the far-end power supply network signal being caused interference, the ac frequency of this AC power output must for example adopt the frequency 50Hz of industrial alternating current or the frequency of other suitable sizes away from the frequency of network signal.
The above far end supply processing module to the supply power mode of remote equipment can also for: the power input of remote equipment connects the output of far end supply processing module by the plug of not distinguishing power positive cathode, this kind supply power mode is more easy to use, and has avoided the connection error that may occur.
More than the far end supply processing module described in three embodiment can also be connected to the local power supply of far-end simultaneously, and the far end supply processing module is corresponding to be increased by local power supply to the circuit of remote equipment power supply and the function of local power supply and the switching of local side power-supplying circuit, to realize the power switching of these two kinds of supply power modes of power supplied locally and far-end, when far-end local power supply generation power supply trouble, automatically switch to carry out the far-end power supply by local supply.Like this, be applicable to various applied environments on the one hand, also can avoid on the other hand because the far end supply fault causes the unexpected out-of-work situation of far-end network equipment.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (11)

1, a kind of system to the internet device far end power supply, comprise local supply, signal channel transmission lines, local side apparatus and remote equipment, local side apparatus is connected by signal channel transmission lines with remote equipment, it is characterized in that, this system also comprises the far end supply processing module
Described far end supply processing module inserts the power input of signal channel transmission lines and remote equipment respectively, formed by transformer and rectifier and interlock circuit, be used for and carry out rectification, pressure regulation, voltage stabilizing processing from the supply power voltage and the electric current of signal channel transmission lines, and utilize supply power voltage and electric current after handling that remote equipment is powered;
Local supply inserts signal channel transmission lines, is used for supply power voltage and electric current are coupled to signal channel transmission lines;
Signal channel transmission lines is used to transmit supply power voltage and electric current.
2, system according to claim 1, it is characterized in that, described far end supply processing module further comprises far end supply and the far end supply power supply circuits to remote equipment, and the function of far end supply processing module further comprises: described power supply circuits and the local supply power supply circuits to remote equipment are switched.
3, system according to claim 1 is characterized in that, described local supply is a DC power supply.
4, system according to claim 3 is characterized in that, the channel side coil of the local side transformer of described signal channel transmission lines has centre tap;
Described local supply inserts signal channel transmission lines: the two poles of the earth of local supply output respectively connect a power line, and described power line is connected to tapped the two poles of the earth of the local side transformer channels lateral coil in the signal channel transmission lines respectively.
5, system according to claim 3 is characterized in that, the channel side coil of the far-end transformer of described signal channel transmission lines has centre tap;
Described far end supply processing module inserts signal channel transmission lines:
The two poles of the earth of the input of far end supply processing module connect two power lines respectively, and described power line is connected to tapped the two poles of the earth of the far-end transformer channels lateral coil of signal channel transmission lines respectively;
Described far end supply processing module inserts the remote equipment power input:
The both positive and negative polarity of far end supply processing module output is connected to the both positive and negative polarity of remote equipment power input respectively by power line.
6, system according to claim 1 is characterized in that, described local supply is an AC power.
7, system according to claim 6 is characterized in that, described local supply inserts signal channel transmission lines and is: the ground wire of local supply output and live wire are connected respectively to the two ends of the local side transformer equipment lateral coil in the signal channel transmission lines.
8, system according to claim 7 is characterized in that, described far end supply processing module inserts signal channel transmission lines and is:
The ground wire of the input of far end supply processing module and live wire are connected respectively to the two ends of the far-end transformer channels lateral coil of signal channel transmission lines;
Described far end supply processing module inserts the remote equipment power input:
The both positive and negative polarity of far end supply processing module output is connected to the both positive and negative polarity of remote equipment power input respectively by power line.
According to each described system of claim 1 to 8, it is characterized in that 9, described far end supply processing module inserts the remote equipment power input and is:
The remote equipment power input connects the output of far end supply processing module by the plug of not distinguishing power positive cathode.
According to each described system of claim 1 to 9, it is characterized in that 10, the signalling channel of described connection local side apparatus and remote equipment comprises signalling channel one, signalling channel two, described local supply comprises local supply one, local supply two,
Described local supply inserts signal channel transmission lines: local supply one inserts the transmission line of the signalling channel one that connects local side apparatus and remote equipment, and local supply two inserts the transmission line of the signalling channel two that connects local side apparatus and remote equipment;
Described far end supply processing module inserts signal channel transmission lines: the far end supply processing module inserts the transmission line of signalling channel one and the transmission line of signalling channel two respectively;
The function of described far end supply processing module further comprises: will handle as parallel connection power supply from the supply power voltage and the electric current of two groups of signal channel transmission lines.
11, system according to claim 10 is characterized in that, described local supply one and local supply two are two outputs of same power supply.
CNB2006100027372A 2006-01-25 2006-01-25 System for supplying power to internet device far end Active CN100389560C (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102594409A (en) * 2012-04-08 2012-07-18 柳州辰天科技有限责任公司 Shared line power supply and information transmission device
CN107317333A (en) * 2017-08-16 2017-11-03 路桥华祥国际工程有限公司 A kind of single-phase electricity remote power system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6486746B1 (en) * 2000-06-30 2002-11-26 Intel Corporation Termination circuit for decoupling unused wires on a network device's unshielded twisted pair (UTP) cable
JP4472883B2 (en) * 2001-01-19 2010-06-02 日置電機株式会社 Cable transmission characteristic measuring device
CN1262089C (en) * 2002-12-16 2006-06-28 西安西邮双维通信技术有限公司 Method and apparatus for realizing long distance power supply and LAN

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102594409A (en) * 2012-04-08 2012-07-18 柳州辰天科技有限责任公司 Shared line power supply and information transmission device
CN107317333A (en) * 2017-08-16 2017-11-03 路桥华祥国际工程有限公司 A kind of single-phase electricity remote power system
CN107317333B (en) * 2017-08-16 2023-09-15 中交一公局第七工程有限公司 Single-phase electric remote power supply system

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