CN108964927A - Power over Ethernet PoE adaptive approach and device - Google Patents
Power over Ethernet PoE adaptive approach and device Download PDFInfo
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- CN108964927A CN108964927A CN201810586261.4A CN201810586261A CN108964927A CN 108964927 A CN108964927 A CN 108964927A CN 201810586261 A CN201810586261 A CN 201810586261A CN 108964927 A CN108964927 A CN 108964927A
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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
Abstract
This application provides Power over Ethernet PoE adaptive approach and devices.In the application, PSE is simultaneously indirect for PD in place power supply, but first it should be one matched matching voltage of PD selection in place according to the PD information that detects is adaptive from each different voltages that voltage output module export by PSE controller, it is powered later according to the matching voltage selected for PD in place, this is realized regardless of PD in place is standard PD also criteria of right and wrong PD, according to the PD information detected, the adaptive one matched matching voltage of PD selection in place that should be from each different voltages that voltage output module exports is powered PSE controller, realize the adaptive purpose that should be standard PD and non-standard PD power supply of the application, also achieve the standard PD purpose mixed with non-standard PD.
Description
Technical field
This application involves technology of Internet of things, in particular to Power over Ethernet (PoE:Power over Ethernet) is adaptive
Induction method and device.
Background technique
POE, power supply system (POL:Power over LAN) or active Ethernet (Active referred to as based on local area network
Ethernet), also referred to as Power over Ethernet sometimes, is not make any change in existing Ethernet Cat.5 wiring architecture
In the case where dynamic, transmitted for some IP-based terminals (such as IP telephone machine, wireless local network connecting point AP, web camera)
While data-signal, moreover it is possible to provide the technology of direct current supply for such equipment.
In PoE system, there are two important component part, a portion is known as power supply unit (PSE:Power
Sourcing Equipment), for providing electric power, another part is known as power receiving equipment (PD:Powered Device), is used for
Consume electric power.
PoE system only supports standard PD at present, directly can provide normal voltage to standard PD in place and be powered.This
In standard PD be the PD for meeting 802.3af, 802.3at, UPOE standard etc..Non-standard quasi- PD be do not meet 802.3af,
The PD of 802.3at, UPOE standard etc..For standard PD and non-standard PD, main difference is exactly supply voltage difference, feature
Impedance is different.PSE provides normal voltage for standard PD.Normal voltage refers to standard compliant voltage such as 48 volts (V) etc..
In practical networking, the shared demand of standard PD and non-standard PD is often had, this is based on, adaptively realizes PoE
It is current technical problem urgently to be resolved to meet the needs of standard PD and non-standard PD is shared.
Summary of the invention
This application provides Power over Ethernet PoE adaptive approach and device, to be adaptively embodied as standard PD and nonstandard
Quasi- PD power supply.
The technical scheme provided by the application includes:
A kind of Power over Ethernet PoE self-reacting device, the device are applied to power supply unit PSE, comprising:
Voltage output module, for exporting at least two different voltages；
PSE detection circuit, for detecting the PD information of powered device PD in place；
PSE controller, the PD information for detecting according to the PSE detection circuit are exported from the voltage output module
Each different voltages in selection one and the matched matching voltage of PD in place, control the matching voltage be input to it is described in place
PD for the PD in place to power.
A kind of Power over Ethernet PoE adaptive approach, this method are applied to power supply unit PSE, comprising:
Detect the PD information of powered device PD in place；
One and PD in place matched are selected from each different voltages that this PSE is exported according to the PD information detected
With voltage；
It controls the matching voltage and is input to the PD in place to power for the PD in place.
As can be seen from the above technical solutions, in the application, PSE and it is indirect for PD in place power, but first controlled by PSE
The PD information that device foundation processed detects is adaptive from each different voltages that voltage output module exports to should be PD selection one in place
A matched matching voltage is powered later according to the matching voltage selected for PD in place, this is realized regardless of PD in place is
Standard PD also criteria of right and wrong PD, each different electricity that PSE controller is exported according to the PD information detected from voltage output module
It is adaptive in pressure to should be PD in place a matched matching voltage is selected to be powered, realize the application it is adaptive should be standard PD and
The purpose of non-standard PD power supply, also achieves the standard PD purpose mixed with non-standard PD.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is PoE self-reacting device example structure figure provided by the present application；
Fig. 2 is exemplary device structure chart provided by the present application；
Fig. 3 is method flow diagram provided by the present application.
Specific embodiment
In order to keep the application clearer, the application is described below with reference to specific drawings and examples:
Referring to Fig. 1, Fig. 1 is PoE self-reacting device example structure figure provided by the present application.As one embodiment, originally
The device that application provides is applied to PSE.
As shown in Figure 1, the device can include: voltage output module 101, PSE detection circuit 102, PSE controller 103.
In this application, voltage output module 101 can export at least two different voltages simultaneously.As one embodiment,
The voltage that voltage output module 101 exports includes at least: standard supply voltage, non-standard supply voltage.Here standard power supply
Voltage is the voltage for complying with standard such as 802.3af, 802.3at, UPOE standard etc..Accordingly, non-standard power supply electricity here
Pressure is the voltage for not being inconsistent standardization such as 802.3af, 802.3at, UPOE standard etc..
PSE detection circuit 102, for detecting the PD information of PD in place；
PSE controller 103, each different electricity for being exported according to the PD information detected from voltage output module 101
One and the matched matching voltage of PD in place are selected in pressure, and are controlled the matching voltage and be input to the PD in place to be described
PD power supply in place, finally, the same moment can control all the way voltage input to PD in place to power for PD in place.
So far, the structure description of Fig. 1 shown device is completed.
Can be seen that in this application by Fig. 1 shown device, PSE and it is indirect for PD in place power, but first by
PSE controller 103 should be according to the PD information detected is adaptive from each different voltages that voltage output module 101 exports
Position PD selects a matched matching voltage, is powered later according to the matching voltage selected for PD in place, this is realized not
Managing PD in place is standard PD also criteria of right and wrong PD, and PSE controller 104 is according to the PD information detected from voltage output module 101
The adaptive one matched matching voltage of PD selection in place that should be is powered in each different voltages of output, realizes the application
The adaptive purpose that should be standard PD and non-standard PD power supply, also achieves the standard PD purpose mixed with non-standard PD.
In this application, voltage output module 101 export each voltage include: PSE support standard supply voltage,
The non-standard supply voltage that PSE is supported, wherein standard supply voltage, the corresponding impedance section of the non-standard supply voltage are not
Together.It is specifically described below:
As one embodiment, the application can be according to demand in advance in the impedance section that PSE configuration PSE is supported.Wherein,
The impedance section that PSE is supported can include: normal impedance section, non-standard impedance section.Here normal impedance section is according to mark
The impedance setting of quasi- PD.By for normal voltage for the DC voltage of 48V for, test out input direct-current from PD Ethernet interface
Impedance is between 23.75 kilo-ohms~26.25 kilo-ohms, then settable normal impedance section is 23.75 kilo-ohms~26.25 kilo-ohms.This
In, non-standard impedance section is arranged according to the impedance of non-standard PD.To be for the DC voltage of 24V for off-standard voltage
Example, tests out input direct-current impedance between 8 kilo-ohms~12 kilo-ohms from PD Ethernet interface, then settable non-standard impedance section is
8 kilo-ohms~12 kilo-ohms.
It in this application, can be also the voltage of the impedance section configuration adaptation of PSE configuration.It is with normal impedance section
It then can be the voltage of 23.75 kilo-ohms~26.25 kilo-ohms configuration adaptations in normal impedance section for 23.75 kilo-ohms~26.25 kilo-ohms
For the DC voltage of 48V；It then can be non-standard impedance section 8,000 again by taking non-standard impedance section is 8 kilo-ohms~12 kilo-ohms as an example
The DC voltage that the voltage of Europe~12 kilo-ohm configuration adaptation is 24V.
Based on above-mentioned configuration, then in this application, as one embodiment, PD that above-mentioned PSE detection circuit 102 detects
Information can be the impedance of PD in place.
Above-mentioned PSE controller 103 is exported according to the PD information that PSE detection circuit 102 detects from voltage output module 101
Each different voltages in selection one it is specific with the matched matching voltage of PD in place can include:
Impedance section locating for the impedance of the PD in place is searched from each impedance section that the PSE is supported；
Impedance section pair locating for the impedance of the PD in place is selected from each voltage that voltage output module 101 exports
The voltage answered；
The corresponding voltage in impedance section locating for the impedance of the PD in place is determined as and described PD matched in place
With voltage.
In this way, PD information that PSE controller 103 is detected according to PSE detection circuit 102 can be realized from voltage output mould
Selection one and the matched matching voltage of PD in place in each different voltages that block 101 exports.
It should be noted that in the application, the time sequencing curve based on PD in place it is recognised that PSE controller 103 according to
The PD information detected according to PSE detection circuit 102 selected from each different voltages that voltage output module 101 exports one with
The matched matching voltage of PD in place is executed in a regular time such as 500ms.
If once and PSE controller 103 at the appointed time at the end of it is also failed according to the PD information detected from voltage
One and the matched matching voltage of PD in place are selected in each different voltages that output module 101 exports, then PSE controller 103
It is further used for controlling the PSE detection circuit stopping to the PD execution hierarchical detection in place and powers on.Here classification inspection
It surveys similar with powering on existing, repeats no more.
Here, if PSE controller 103 at the appointed time at the end of it is also failed defeated from voltage according to the PD information detected
Selection one and the matched matching voltage of PD in place in each different voltages that module 101 exports out, then can be by the resistance of PD in place
Caused by being waited in the anti-any impedance section for being not in PSE support.The application does not limit specifically, and which is not described herein again.
As one embodiment, voltage output module can be directed in this application for convenience of PSE controller control voltage
A switch is respectively set in each voltage of 101 outputs, passes through the mesh for indirectly controlling switch and reaching control voltage by PSE controller
's.
Based on this, as shown in Figure 1, the device can further comprise: switch 104.
Here, switch 104 may include N number of switch, wherein N is the quantity for the voltage that voltage output module 101 exports.?
In the application, each different voltages that voltage output module 101 exports are respectively via corresponding switch.
Each switch in switch 104, for control via voltage on-off.As one embodiment, switch here
For metal-oxide-semiconductor or other devices with switching function.
Based on this, above-mentioned PSE controller 103 is input to the PD in place specifically for the control matching voltage and can wrap
It includes:
PSE controller 103 enable the matching voltage via switch so that the matching voltage via switch allow
The matching voltage passes through and is input to the PD in place.It finally realizes PSE controller 103 and controls the matching voltage input
To the PD in place.
The application is described below by a specific embodiment:
Referring to fig. 2, Fig. 2 is exemplary device structure chart provided by the present application.As shown in Fig. 2, voltage output module 201 is distinguished
Outputting standard voltage 48V and off-standard voltage 24V.As one embodiment, 24V here can be Internet of Things fast-developing at present
Voltage required for internet of things equipment in net.It should be noted that normal voltage 48V and off-standard voltage 24V here is
A kind of citing, is not intended to limit.
In Fig. 2, the normal voltage 48V and off-standard voltage 24V that voltage output module 201 exports are respectively via corresponding
Switch.Switch shown in Fig. 2 is by taking metal-oxide-semiconductor as an example.If the corresponding switch of normal voltage 48V that voltage output module 201 exports
It is denoted as switch 202a, the corresponding switch of off-standard voltage 24V is denoted as switch 202b.
In Fig. 2, as one embodiment, the impedance that PSE detection circuit 203 detects PD in place is 24.9 kilo-ohms, then PSE
Controller 204 check 24.9 kilo-ohms of impedance of PD in place 23.75 kilo-ohms of normal impedance sections for being exactly in this PSE support~
26.25 kilo-ohms, then PSE controller 204 obtains the corresponding voltage in 23.75 kilo-ohms~26.25 kilo-ohms of normal impedance section.Here,
The corresponding voltage in 23.75 kilo-ohms~26.25 kilo-ohms of normal impedance section that PSE controller 204 obtains is 48V.
204 control switch 202a of PSE controller allows 48V to be input to PD in place.So far, the power supply electricity provided for PD in place
Pressure is 48V, and the off-standard voltage 24V that voltage output module 201 exports does not allow to power for PD in place, and synchronization can only select
Selecting a kind of voltage is PD in place power supply.
In Fig. 2, as another embodiment, the impedance that PSE detection circuit 203 detects PD in place is 10 kilo-ohms, then PSE
Controller 204 checks 10 kilo-ohms of impedance of the PD in place non-standard impedance sections 8 kilo-ohms~12,000 for being exactly in this PSE support
Europe, then PSE controller 204 obtains the corresponding voltage in 8 kilo-ohms~12 kilo-ohms of non-standard impedance section.Here, PSE controller 204
The corresponding voltage in 8 kilo-ohms~12 kilo-ohms of non-standard impedance section obtained is 24V.
204 control switch 202b of PSE controller allows 24V to be input to PD in place.So far, the power supply electricity provided for PD in place
Pressure is 24V, and the normal voltage 48V that voltage output module 201 exports does not allow to power for PD in place, and synchronization can only select
A kind of voltage is PD in place power supply.
In Fig. 2, as another embodiment, the impedance that PSE detection circuit 203 detects PD in place is 20 kilo-ohms, then PSE
Controller 204 checks 20 kilo-ohms of impedance of the PD in place any impedance sections for being not in this PSE support (including normal impedance area
Between, non-standard impedance section), then PSE controller 204 control PSE detection circuit 203 stop to PD in place execute hierarchical detection and
It powers on, hierarchical detection here is similar with powering on existing, repeats no more.
So far, the description of embodiment is completed.
Corresponding above-mentioned device, present invention also provides PoE adaptive approach flow charts.It is the application referring to Fig. 3, Fig. 3
The method flow diagram of offer.This method is applied to PSE.As shown in figure 3, the process can comprise the following steps that
Step 301, the PD information of PD in place is detected.
Step 302, one and PD in place are selected from each different voltages that this PSE is exported according to the PD information detected
Matched matching voltage.
As one embodiment, above-mentioned PD information is the impedance of PD in place.
Based on this, in this step 302, selected from each different voltages that this PSE is exported according to the PD information detected
One and the matched matching voltage of PD in place can include:
Impedance section locating for the impedance of the PD in place is searched from each impedance section that this PSE is supported；
The corresponding voltage in impedance section locating for the impedance of the PD in place is selected from each voltage that this PSE is exported；
The corresponding voltage in impedance section locating for the impedance of the PD in place is determined as and described PD matched in place
With voltage.
It should be noted that in the application, each voltage of this PSE output can include: the standard that this PSE is supported is powered electric
The non-standard supply voltage that pressure, this PSE are supported, wherein the standard supply voltage, the corresponding resistance of the non-standard supply voltage
Anti- section is different.
Step 303, it controls the matching voltage and is input to the PD in place to power for the PD in place.
As one embodiment, here, control matching voltage is input to the PD in place:
Enable the matching voltage via switch, with control the matching voltage via switch allow the matching electric
Pressure passes through and is input to the PD in place.
So far, process shown in Fig. 3 is completed.
Can be seen that in the application by process shown in Fig. 3, PSE and it is indirect for PD in place power, but first according to inspection
The PD information measured is adaptive from each different voltages that this PSE is exported to should be one matched matching voltage of PD selection in place,
It is powered later according to the matching voltage selected for PD in place, this is realized regardless of PD in place is the standard PD also criteria of right and wrong
PD, PSE can should be PD in place and select a matching according to the PD information detected is adaptive from each different voltages of output
Matching voltage be powered, realize the application it is adaptive should be standard PD and non-standard PD power supply purpose, also achieve mark
Purpose quasi- PD mixed with non-standard PD.
It should be noted that above-mentioned steps 302 export according to the PD information detected from this PSE each in the application
It selects one to be that at the appointed time such as 500ms is interior with the matched matching voltage of PD in place in different voltages to execute；
If also failed at the end of the specified time such as 500ms export according to the PD information detected from this PSE
Each different voltages in selection one with the matched matching voltage of PD in place, then the application can further comprise:
Control stops executing hierarchical detection and power on to the PD in place.Here, hierarchical detection is similar with powering on existing
Mode repeats no more.
So far, method description provided by the present application is completed.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (10)
1. a kind of Power over Ethernet PoE self-reacting device, which is characterized in that the device is applied to power supply unit PSE, comprising:
Voltage output module, for exporting at least two different voltages；
PSE detection circuit, for detecting the PD information of powered device PD in place；
PSE controller, the PD information for detecting according to the PSE detection circuit export each from the voltage output module
In a different voltages select one with the matched matching voltage of PD in place, control the matching voltage be input to the PD in place with
It powers for the PD in place.
2. the apparatus according to claim 1, which is characterized in that the PD information is the impedance of the PD in place；
The PD information that the PSE controller is detected according to the PSE detection circuit exports each from the voltage output module
Select one in a different voltages includes: with the matched matching voltage of PD in place
Impedance section locating for the impedance of the PD in place is searched from each impedance section that the PSE is supported；
Select impedance section locating for the impedance of the PD in place corresponding from each voltage that the voltage output module exports
Voltage；
The corresponding voltage in impedance section locating for the impedance of the PD in place is determined as and the PD in place is matched matches electricity
Pressure.
3. device according to claim 1 or 2, which is characterized in that each voltage packet of the voltage output module output
It includes:
The non-standard supply voltage of standard supply voltage, PSE support that the PSE is supported,
The standard supply voltage, the corresponding impedance section of the non-standard supply voltage are different.
4. the apparatus according to claim 1, which is characterized in that the device further include:
At least two switch, for control via voltage on-off；The quantity of the switch and the voltage output module are defeated
The quantity of voltage out is equal；
The PSE controller is specifically used for the control matching voltage and is input to the PD in place:
The PSE controller enable the matching voltage via switch so that the matching voltage via switch allow institute
Matching voltage is stated to pass through and be input to the PD in place.
5. the apparatus according to claim 1, which is characterized in that the PSE controller is within a specified time to execute foundation
The PD information detected selects one and PD in place matched from each different voltages that the voltage output module exports
The step of with voltage；
If the PSE controller is also failed defeated from the voltage according to the PD information detected at the end of the specified time
Selection one and the matched matching voltage of PD in place in each different voltages of module output out, then be further used for: control institute
PSE detection circuit is stated to stop executing hierarchical detection to the PD in place and power on.
6. a kind of Power over Ethernet PoE adaptive approach, which is characterized in that this method is applied to power supply unit PSE, comprising:
Detect the PD information of powered device PD in place；
According to the PD information that detects selected from each different voltages that this PSE is exported one with PD in place is matched matches electricity
Pressure；
It controls the matching voltage and is input to the PD in place to power for the PD in place.
7. according to the method described in claim 6, it is characterized in that, the PD information is the impedance of the PD in place；
The PD information that the foundation detects selects one and PD in place matched from each different voltages that this PSE is exported
Distribution pressure includes:
Impedance section locating for the impedance of the PD in place is searched from each impedance section that this PSE is supported；
The corresponding voltage in impedance section locating for the impedance of the PD in place is selected from each voltage that this PSE is exported；
The corresponding voltage in impedance section locating for the impedance of the PD in place is determined as and the PD in place is matched matches electricity
Pressure.
8. method according to claim 6 or 7, which is characterized in that this PSE output each voltage include:
The non-standard supply voltage of standard supply voltage, this PSE support that this PSE is supported,
The standard supply voltage, the corresponding impedance section of the non-standard supply voltage are different.
9. according to the method described in claim 6, it is characterized in that, the control matching voltage is input to the PD packet in place
It includes:
Enable the matching voltage via switch, with control the matching voltage via switch allow the matching voltage logical
It crosses and is input to the PD in place.
10. according to the method described in claim 6, it is characterized in that, what the PD information that the foundation detects was exported from this PSE
Selection one is within a specified time to execute with the matched matching voltage of PD in place in each different voltages；
This method further comprises:
If the also failed each different voltages exported according to the PD information detected from this PSE at the end of the specified time
Middle selection one and the matched matching voltage of PD in place, then control stops executing hierarchical detection and power on to the PD in place.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586261.4A CN108964927B (en) | 2018-06-08 | 2018-06-08 | Power over Ethernet (PoE) self-adaption method and device |
| PCT/CN2019/089975 WO2019233409A1 (en) | 2018-06-08 | 2019-06-04 | Self-adaptive power over ethernet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810586261.4A CN108964927B (en) | 2018-06-08 | 2018-06-08 | Power over Ethernet (PoE) self-adaption method and device |
Publications (2)
| Publication Number | Publication Date |
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| CN108964927A true CN108964927A (en) | 2018-12-07 |
| CN108964927B CN108964927B (en) | 2021-04-27 |
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|---|---|---|---|
| CN201810586261.4A Active CN108964927B (en) | 2018-06-08 | 2018-06-08 | Power over Ethernet (PoE) self-adaption method and device |
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| Country | Link |
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| CN (1) | CN108964927B (en) |
| WO (1) | WO2019233409A1 (en) |
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| WO2019233409A1 (en) * | 2018-06-08 | 2019-12-12 | 新华三技术有限公司 | Self-adaptive power over ethernet |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108964927B (en) | 2021-04-27 |
| WO2019233409A1 (en) | 2019-12-12 |
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