CN106899415A - It is a kind of to utilize the two POE mouthfuls system and method for common power supply - Google Patents
It is a kind of to utilize the two POE mouthfuls system and method for common power supply Download PDFInfo
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- CN106899415A CN106899415A CN201710292907.3A CN201710292907A CN106899415A CN 106899415 A CN106899415 A CN 106899415A CN 201710292907 A CN201710292907 A CN 201710292907A CN 106899415 A CN106899415 A CN 106899415A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
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Abstract
The invention provides a kind of using two system and methods of POE confessions electricity, it is used to solve the problems, such as that existing POE output powers are limited.The system is made up of power supply end equipment and receiving end equipment；The power supply end equipment includes：Power supply module, connects two power supply network interfaces of the power supply end equipment, for providing electric power.The receiving end equipment includes：Two are received electric detecting unit, for feedback information to the power supply end equipment；By electro' asion module, connect described two by electric detecting unit, for detecting from described two electric power transmitted by electric detecting unit.The present invention can be supported more powerful power receiving equipment, be improved the power of power supply using two POE confessions electricity, POE transmission.
Description
Technical field
Powered field the present invention relates to POE, more particularly to it is a kind of using the two POE mouthful system and method powered jointly.
Background technology
POE is a kind of utilization netting twine to rear end equipment transmission data and while the technology of power supply, makes receiving end equipment (referred to as
PD) need not be additionally provided power can just work, as shown in figure 1, power supply end equipment (abbreviation PSE) is originally used for 4 couple of transmission
The wherein two pairs voltage in the additional 48V in net mouth transformer rear end of line is realized powering distal end PD.
In actual POE powers, the peak power that power supply end equipment is powered is 30W, so when receiving end demand is more than
During 30W, the power supply of a mouth will no longer satisfy demand.
As shown in Fig. 2 Fig. 2 is traditional POE output powers design illustrating.
Power supply end equipment is connected with receiving end equipment by a power supply netting twine.And the power supply end equipment is with described by electricity
End equipment all only has single network interface.
Power supply end equipment peak power is 30W, and receiving end plant capacity is necessarily less than 30W, therefore when receiving end demand
During more than 30W, the power supply of a mouth will no longer satisfy the demand of 30W.
Existing POE power supply techniques output power is limited, and has certain limitation.
The patent of Publication No. CN105357017A provides a kind of system and method for stabilization POE supply voltages.Using
In based on POE technologies, regulation Power Source Equipment to the supply voltage of terminal power receiving equipment, detecting receiving voltage module with it is described
Being connected by electric module in terminal power receiving equipment, by the voltage of electric module described in detecting real-time, produces detecting data；Power receiving equipment
CPU is connected with the detecting receiving voltage module, is exported after processing the detecting data；Power supply unit CPU with it is described
Power receiving equipment CPU is connected, the detecting data after reception processing, and the detecting data after the treatment is further located
Reason, produces control signal；Power supply of the feedback regulation module respectively with the power supply unit CPU, Power Source Equipment is connected,
The supply voltage of the power supply is adjusted according to the control signal.The invention utilizes defeated by CPU regulation voltages
Go out, but output power is limited.
The content of the invention
The technical problem to be solved in the present invention purpose is to provide a kind of using the two POE mouthfuls common system powered and side
Method, is used to solve the problems, such as that existing POE output powers are limited.
To achieve these goals, the technical solution adopted by the present invention is：
It is a kind of to utilize the two POE mouthfuls system of common power supply, it is made up of power supply end equipment and receiving end equipment；
The power supply end equipment includes：
Power supply module, connects two power supply network interfaces of the power supply end equipment, for providing electric power.
The receiving end equipment includes：
Two are received electric detecting unit, for feedback information to the power supply end equipment；
By electro' asion module, connect described two by electric detecting unit, for detecting from described two single by electricity detecting
The electric power that unit is transmitted.
Further, the power supply end equipment is connected with the receiving end equipment by two power supply netting twines.
Further, the power supply module is additionally operable to be fed back according to by described two detecting carrier waves by electric detecting unit
Information output electric power.
Further, it is described two that the electric power that the power supply module is provided is reached into institute by after electric detecting unit feedback information
State by electro' asion module.
Further, it is described by electro' asion module specifically for judging described two whether to be had electric power by electric detecting unit
Convey and the power of described two electric power by electric detecting unit and within a preset range, if so, described by electro' asion module
Normal work.
Further, it is described to be additionally operable to be converted into by described two electric power by electric detecting unit by electro' asion module
One voltage-stabilized source.
Further, the receiving end equipment also includes：
Backend application circuit, connection is described receives electro' asion module, is provided by electro' asion module from described for receiving
Electric power.
It is a kind of to utilize the two POE mouthfuls method of common power supply, including step：
S1, the two-way electric power for obtaining power supply end equipment transmission；
S2, two-way electric power is converted into voltage-stabilized source all the way；
S3, rear end application circuit provide electric power.
Further, step S1 is specifically included：
Obtain detecting carrier wave and feedback information from the power supply end equipment to the power supply end equipment；
Obtain two-way electric power of the power supply end equipment according to the transmission of feedback information.
Further, step is also included between step S1 and step S2：
Judge described two whether there is power Transmission and described two electricity by electric detecting unit by electric detecting unit
The power of power and within a preset range, if so, described by electro' asion module normal work.
It is of the invention compared with traditional technology, have the following advantages：
The present invention can be supported more powerful power receiving equipment, be improved power supply using two POE confessions electricity, POE transmission
Power.
Brief description of the drawings
Fig. 1 is POE power supply the principle figures；
Fig. 2 is traditional POE output powers design diagram；
Fig. 3 is a kind of using the two POE mouthfuls system construction drawing of common power supply of the offer of embodiment one；
Fig. 4 is a kind of using the two POE mouthfuls method flow diagram of common power supply of the offer of embodiment two；
Fig. 5 is a kind of using the two POE mouthfuls method flow diagram of common power supply of the offer of embodiment three；
Fig. 6 is a kind of using the two POE mouthfuls method flow diagram of common power supply of example IV offer.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
Originally implement there is provided a kind of using the two POE mouthfuls system of common power supply, as shown in figure 3, including：
The power supply end equipment includes：
Power supply module 11, connects two power supply network interfaces of the power supply end equipment, for providing electric power.
The receiving end equipment includes：
Two are received electric detecting unit 21, for feedback information to the power supply end equipment；
By electro' asion module 22, connect described two by electric detecting unit 21, detectd by electricity from described two for detecting
Survey the electric power that unit is transmitted；
Backend application circuit 23, connection is described to receive electro' asion module 22, is provided by electro' asion module 22 for receiving to come from
Electric power.
POE is a kind of utilization netting twine to rear end equipment transmission data and while the technology of power supply, makes receiving end equipment (referred to as
PD) need not be additionally provided power can just work, as shown in figure 1, power supply end equipment (abbreviation PSE) is originally used for 4 couple of transmission
The wherein two pairs voltage in the additional 48V in net mouth transformer rear end of line is realized powering distal end PD.
POE is referred in the case where existing Ethernet Cat.5 wirings architecture does not make any changes, and is being some
While IP-based terminal (such as IP telephone machine, wireless local network connecting point AP, web camera) transmission data-signal, also
The technology of direct current supply can be provided for this kind equipment.POE technologies can ensure existing while ensuring that existing structureization wiring is safe
There is the normal operation of network, to greatest extent reduces cost.
POE is also referred to as electric power system or active Ethernet based on LAN, is also called POE for short sometimes,
This be using existing standard Ethernet transmission cable while transmission data and electrical power newest standards specification, and maintain with
Existing Ethernet system and the compatibility of user.
The present embodiment is to combine power supply using two network interfaces with tradition POE electric power system differences, improves power supply
Power.
In the present embodiment, power supply end equipment and receiving end equipment are connected by two power supply netting twines, traditional POE electric power systems
Only one netting twine.
In the present embodiment, two network interfaces of the connection power supply end equipment of power supply module 11 of end equipment of powering, for providing electricity
Power.
The power supply module of conventional art only has single network interface, it is impossible to meet more than 30W by electric demand, use two network interfaces
Joint power supply, lifts the power of power supply.
In the present embodiment, power supply module 11 is additionally operable to be detected what carrier wave fed back by electric detecting unit 21 according to by two
Information output electric power.
Power supply module 11 send detecting carrier wave to two of receiving end equipment by electric detecting unit 21, detecting carrier wave is by two
It is individual by electric detecting unit 21, now, two by electric detecting unit 21 can feedback information to end equipment of powering, the confession of end equipment of powering
Electric module 11 is adjusted according to feedack and exports corresponding electric power.
In the present embodiment, power supply module 11 constantly sends detecting carrier wave, and whether detecting rear end has receiving end equipment.
Carrier wave or carrier frequency (carrier frequency) are a physical concepts, are a radio waves for CF, unit Hz,
It is a kind of electromagnetic wave that can be such as modulated to transmit language, music, image or other signals in terms of frequency, amplitude modulation or phase.
If there is receiving end equipment detecting rear end, detecting carrier wave is by two by electric detecting unit 21, and one signal of return
To power supply module 11, the signal can be because two by the different and different of electric detecting unit 21.The signal frequency of return and response time
By decision receiving end equipment by electrical power.
In the present embodiment, receiving end equipment includes two by electric detecting unit 21, should by electro' asion module 22 and rear end
With circuit 23.
Two network interfaces of the two one end receiving end equipment by electric detecting unit 21 are connected, and two by electric detecting unit 21
The other end is connected with by the one end of electro' asion module 22, is connected with backend application circuit 23 by the other end of electro' asion module 22.
In the present embodiment, two are changed into two by electric detecting unit 21 from traditional one.
Two are used for feedback information to end equipment of powering by electric detecting unit 21, power supply end equipment is exported by power requirement
Voltage and current and overcurrent protection.
Because the network interface of power supply end equipment uses two, two are received electric detecting unit 21 after completing to be asked by electricity, are powered
The electric power that end equipment is provided by netting twine of powering by two by electric detecting unit 21 be transmitted to rear end by electro' asion module 23.
In the present embodiment, two by after the electric feedback information of detecting unit 21 to power supply module 11 by the electric power of power supply module 11
Reach by electro' asion module 23.
In the present embodiment, compared with traditional POE power supply techniques, increased by electro' asion module 23.
Traditional POE only has a power supply netting twine, therefore there was only electric power all the way, and the present embodiment has two power supply netting twines, because
This has two-way electric power, it is necessary to two-way electric power is fused into voltage-stabilized source all the way by electro' asion module 23.
In the present embodiment, it is used to detect from two electric power transmitted by electric detecting unit 21 by electro' asion module 23.
Specifically for judging whether two had power Transmission and two by electric detecting unit 21 by electric detecting unit
The power of electric power and within a preset range, if so, receiving the normal work of electro' asion module 22.
Specifically, whether detecting two is had whether power Transmission and power meet requirement by electric detecting unit 21, in detecting
To two by electric detecting unit 21 have electric power and power it is normal under the conditions of just understand normal work.
One is to see if there is power transmission to come, and whether two is to see two by the electric power of electric detecting unit 21 and pre-
If in scope.
If only having electric power all the way and output power being unsatisfactory for system requirements, will not be powered to the back-end by electric module；If detecing
Measure two is had electric power to provide by electric detecting unit 21, and both power sums meet system requirements, by electro' asion module 22
Start normal work.
In the present embodiment, it is additionally operable to that one will be converted into by two electric power by electric detecting unit 21 by electro' asion module 22
Individual voltage-stabilized source.
Two-way electric power is converted into power supply stable all the way, because the two transmission network lines for using differ in length, transmission comes
Supply voltage also.Needed for two-way electricity to carry out fusion voltage stabilizing by electro' asion module 22, then electric power is fed into backend application
Circuit 23.
In the present embodiment, backend application circuit 23 is used to receive from the electric power provided by electro' asion module 22, and system is opened
Beginning normal work.
The receiving end equipment of the present embodiment is powered using double network interfaces, can obtain bigger electric power, receiving end from POE transmission
Equipment is introduced receives electro' asion module 22, and the power supply that joint detection two-way is received simultaneously converges fusion power supply, rear end is powered more steady
It is fixed.
Embodiment two
The method for present embodiments providing a kind of common power supply of two POE mouthfuls of utilization, as shown in figure 4, including step：
S11：Obtain the two-way electric power of power supply end equipment transmission；
S12：Two-way electric power is converted into voltage-stabilized source all the way；
S13：Rear end application circuit provides electric power.
The method that prior art is powered is to receiving end equipment transmission data and while the technology of power supply using a netting twine
Method.In actual POE power applications, power supply end equipment peak power is 30W, so when receiving end device requirement is more than
During 30W, a power supply for mouth will be unsatisfactory for demand.
The electric power of the power supply end equipment transmission in the present embodiment is two-way electric power, is obtained by electric detecting unit and comes from feeder ear
The two-way electric power of equipment transmission.Two network interfaces are powered and can lift the power of power supply simultaneously.
Also accordingly become two by electric detecting unit, therefore receive two-way electric power respectively.
Due to two varying lengths of transmission netting twine for using, the supply voltage for coming is transmitted also, therefore, the present embodiment
Also add by electro' asion module, two-way electric power is converted into voltage-stabilized source all the way, then electric power is fed into backend application
Circuit.
Backend application circuit is received from the electric power provided by electro' asion module, and system starts normal work.
The receiving end equipment of the present embodiment is powered using double network interfaces, can obtain bigger electric power, the method from POE transmission
Also add by electro' asion module, the power supply of joint detection two-way reception simultaneously converges fusion power supply, rear end is powered more and stablizes.
Embodiment three
The method for present embodiments providing a kind of common power supply of two POE mouthfuls of utilization, as shown in figure 5, including step：
S21：Obtain detecting carrier wave and feedback information from power supply end equipment to end equipment of powering；
S22：Obtain two-way electric power of the power supply end equipment according to transmission of feedback information；
S23：Two-way electric power is converted into voltage-stabilized source all the way；
S24：Rear end application circuit provides electric power.
The present embodiment is that step S11 specifically includes step S21 and step S22 with two differences are implemented.
Receiving end equipment by electric detecting unit is had two.When the module of end equipment of powering sends detecting carrier wave, detecting
Whether rear end has receiving end equipment.
Carrier wave or carrier frequency (carrier frequency) are a physical concepts, are a radio waves for CF, unit Hz,
It is a kind of electromagnetic wave that can be such as modulated to transmit language, music, image or other signals in terms of frequency, amplitude modulation or phase.
If there is receiving end equipment detecting rear end, detecting carrier wave receives electric detecting unit by two, and returns to a signal extremely
Power supply module, the signal can be because two by the different and different of electric detecting unit.The signal frequency of return and response time will determine
Receiving end equipment by electrical power.
Because power supply network interface uses two, two are also added to by electric detecting unit, are completed by electricity by electric detecting unit
After request, power supply module will be transmitted to backend application circuit by the electric power that netting twine is provided by by electric detecting unit.
Example IV
The method for present embodiments providing a kind of common power supply of two POE mouthfuls of utilization, as shown in fig. 6, including step：
S31：Obtain detecting carrier wave and feedback information from power supply end equipment to end equipment of powering；
S32：Obtain two-way electric power of the power supply end equipment according to transmission of feedback information；
S33：Judge whether two had power Transmission and two electric power by electric detecting unit by electric detecting unit
Power and within a preset range, if so, receiving electro' asion module normal work；
S34：Two-way electric power is converted into voltage-stabilized source all the way；
S35：Rear end application circuit provides electric power.
The present embodiment is that increased step S33 with embodiment two, three differences.
Decision condition is needed by electro' asion module normal work.
In the present embodiment, it is whether whether detecting is had power Transmission and power full by electric detecting unit by electro' asion module one
Foot requires, detect two had by electric detecting unit electric power and power it is normal under the conditions of just understand normal work.Two be by
Two-way receives the electric power of electric detecting unit to convert voltage-stabilized source all the way, because the two power supply network lines for using differ in length,
The supply voltage that transmission comes is also.Therefore need for two-way voltage to carry out fusion voltage stabilizing, then electric power is fed into backend application electricity
Road.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Claims (10)
1. it is a kind of using the two POE mouthfuls system of common power supply, it is characterised in that by power supply end equipment and receiving end equipment group
Into；
The power supply end equipment includes：
Power supply module, connects two power supply network interfaces of the power supply end equipment, for providing electric power；
The receiving end equipment includes：
Two are received electric detecting unit, for feedback information to the power supply end equipment；
By electro' asion module, connect described two by electric detecting unit, passed by electric detecting unit from described two for detecting
The electric power for coming.
2. it is according to claim 1 a kind of using the two POE mouthfuls system of common power supply, it is characterised in that the power supply
End equipment is connected with the receiving end equipment by two power supply netting twines.
3. it is according to claim 1 a kind of using the two POE mouthfuls system of common power supply, it is characterised in that the power supply
Module is additionally operable to according to by described two detecting carrier wave feedack output powers by electric detecting unit.
4. it is according to claim 1 a kind of using the two POE mouthfuls system of common power supply, it is characterised in that described two
It is described by electro' asion module by the electric power that the power supply module is provided is reached after electric detecting unit feedback information.
5. it is according to claim 1 a kind of using the two POE mouthfuls system of common power supply, it is characterised in that described by electricity
Whether Fusion Module is specifically for judging described two to be had power Transmission by electric detecting unit and described two detected by electricity
The power of the electric power of unit and within a preset range, if so, described by electro' asion module normal work.
6. it is according to claim 1 a kind of using the two POE mouthfuls system of common power supply, it is characterised in that described by electricity
Fusion Module is additionally operable to that a voltage-stabilized source will be converted into by described two electric power by electric detecting unit.
7. it is according to claim 1 a kind of using the two POE mouthfuls system of common power supply, it is characterised in that described by electricity
End equipment also includes：
Backend application circuit, connection is described to receive electro' asion module, for receiving from the electric power provided by electro' asion module.
8. it is a kind of using the two POE mouthfuls method of common power supply, it is characterised in that including step：
S1, the two-way electric power for obtaining power supply end equipment transmission；
S2, two-way electric power is converted into voltage-stabilized source all the way；
S3, rear end application circuit provide electric power.
9. it is according to claim 8 a kind of using the common method powered of two mouths, it is characterised in that step S1 is specifically wrapped
Include：
Obtain detecting carrier wave and feedback information from the power supply end equipment to the power supply end equipment；
Obtain two-way electric power of the power supply end equipment according to the transmission of feedback information.
10. it is according to claim 8 a kind of using the common method powered of two mouths, it is characterised in that step S1 and step
Also include step between rapid S2：
Judge described two whether there is power Transmission and described two electric power by electric detecting unit by electric detecting unit
Power and within a preset range, if so, described by electro' asion module normal work.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710292907.3A CN106899415A (en) | 2017-04-28 | 2017-04-28 | It is a kind of to utilize the two POE mouthfuls system and method for common power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710292907.3A CN106899415A (en) | 2017-04-28 | 2017-04-28 | It is a kind of to utilize the two POE mouthfuls system and method for common power supply |
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| CN106899415A true CN106899415A (en) | 2017-06-27 |
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| CN103701617A (en) * | 2012-09-27 | 2014-04-02 | 马克西姆综合产品公司 | Powered device controller having shared connection interfaces and two-level inrush current limit |
| CN105357017A (en) * | 2015-11-16 | 2016-02-24 | 上海斐讯数据通信技术有限公司 | System and method for stabilizing POE (power over Ethernet) power supply voltage |
| CN105812147A (en) * | 2016-04-28 | 2016-07-27 | 博为科技有限公司 | POE (Power Over Ethernet) power supply control method for communication equipment |
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| CN101594236A (en) * | 2009-06-29 | 2009-12-02 | 华为技术有限公司 | The implementation method of a kind of Power over Ethernet POE, Apparatus and system |
| CN102299807A (en) * | 2010-06-25 | 2011-12-28 | 深圳市邦彦信息技术有限公司 | POE system realized on MicroTCA and management method thereof |
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Application publication date: 20170627 |