CN205864445U - A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit - Google Patents
A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit Download PDFInfo
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- CN205864445U CN205864445U CN201620847313.5U CN201620847313U CN205864445U CN 205864445 U CN205864445 U CN 205864445U CN 201620847313 U CN201620847313 U CN 201620847313U CN 205864445 U CN205864445 U CN 205864445U
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- poe
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- lowering
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Abstract
A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit, it is arranged between POE network socket and power receiving equipment, including: standard supply module has the line impedance of conformance with standard agreement, the conducting when input voltage is more than setting value, is sent to DC DC lowering and stabilizing blood pressure module by the voltage that POE network socket inputs；Nonstandard wire jumper module can carry out the switching of nonstandard supply line, and power supply the most after testing, directly arrives network socket by netting twine, then is sent directly into DC DC lowering and stabilizing blood pressure module；The DC voltage of input is carried out blood pressure lowering, voltage stabilizing by DC DC lowering and stabilizing blood pressure module, powers to power receiving equipment；The input of standard supply module connects POE network socket, and outfan connects the input of DC DC lowering and stabilizing blood pressure module, and the outfan of DC DC lowering and stabilizing blood pressure module connects power receiving equipment, and nonstandard wire jumper wired in parallel is at standard supply module two ends.This utility model integrates standard POE and nonstandard POE powers and is integrated, it is to avoid the equipment of duplication of production difference powered types, to greatest extent the power taking environment of compatible subscribers.
Description
Technical field
This utility model relates to switch POE by electricity, particularly relates to a kind of standard POE and pressure nonstandard POE is integrated be subject to
Electricity power circuit.
Background technology
POE power supply technique can be in the case of existing Ethernet wiring architecture make any changes, for some
IP-based terminal (such as IP telephone machine, wireless local network connecting point AP, web camera, network access, night watching card reader etc.)
While transmission data signal, moreover it is possible to provide direct current supply for this kind equipment.Standard agreement POE powers available 12,36 data
Line is to power supply, it is possible to utilize 45,78 lines to power supply；And force POE to power typically to utilize 45,78 lines are to power supply.Existing POE is subject to
Electricity circuit is divided into standard POE by electric and off-gauge pressure by two kinds of different circuit of electricity.Standard POE powered operation process is first
Exported the least voltage by PSE device, until its detect the connection of terminal be one support IEEE 802.3af or
After the PD equipment of IEEE802.3at standard, PSE device starts gradually to boost from low-voltage to start to power to PD equipment, until being
PD equipment provides reliable and stable DC voltage, meets the power consumption of PD equipment.And nonstandard POE constrained feed pattern is not examined
Survey, directly force to provide the voltage meeting PD equipment.And all products in market all cannot be unified on a circuit board by both,
Causing product to have to design two sets, user freely cannot switch under two kinds of powering modes, and use cost is high, and convenience is poor.
Utility model content
This utility model provides a kind of standard POE integrated with forcing nonstandard POE by electricity power circuit, above-mentioned existing to solve
There is technical deficiency, integrate standard POE and two kinds of powering modes of nonstandard POE are integrated, simplify the circuit design of equipment supply module,
Avoid the equipment of duplication of production difference powered types, to greatest extent the power taking environment of compatible subscribers, can be widely applied to network and read
In the network electronic devices such as card device, router, Smart Home power receiving equipment.
In order to realize the purpose of this utility model, plan employing techniques below:
A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that be arranged on POE network egress
Between seat and power receiving equipment, including: standard supply module, there is the line impedance of conformance with standard agreement, and big at input voltage
Turn on when setting value, after conducting, the voltage that POE network socket inputs is sent to DC-DC lowering and stabilizing blood pressure module；Nonstandard wire jumper mould
Block, for carrying out the switching of nonstandard supply line, is directly sent directly into DC-DC blood pressure lowering by the voltage that POE network socket inputs steady
Die block；DC-DC lowering and stabilizing blood pressure module, for the DC voltage of input is carried out blood pressure lowering, voltage stabilizing, powers to power receiving equipment；Its
In, the input of standard supply module connects POE network socket, and outfan connects the input of DC-DC lowering and stabilizing blood pressure module,
The outfan of DC-DC lowering and stabilizing blood pressure module connects power receiving equipment, and nonstandard wire jumper wired in parallel is at standard supply module two ends.
Under standard agreement powering mode: POE switch detects the circuit resistance of the conformance with standard agreement of standard supply module
During anti-value, then can attempt carrying out small area analysis and progressively boost, when supply voltage reaches setting value, standard supply module turns on, POE
Switch stably exports 48～57V voltages, and through standard supply module to DC-DC lowering and stabilizing blood pressure module for power supply, DC-DC blood pressure lowering is steady
Die block is powered for power receiving equipment after lowering and stabilizing blood pressure processes；
Under nonstandard constrained feed pattern: nonstandard wire jumper module turns on, and power supply the most after testing, directly arrives POE by netting twine
Network socket inputs, and the voltage of input is directly by sending into DC-DC lowering and stabilizing blood pressure module, DC-DC after nonstandard wire jumper module
Lowering and stabilizing blood pressure module is powered for power receiving equipment after lowering and stabilizing blood pressure processes.
Further, described standard supply module include detection resistance R16 that resistance is 24.9K, divider resistance R14 and R20,
The power supply output that Zener diode D2 and N-channel fet Q1, detection resistance R16 are connected in parallel on POE network socket is positive and negative
Two ends, pole, are connected in parallel on detection resistance R16 two ends after divider resistance R14 and R20 series connection, divider resistance R14 connects POE network socket
Power supply output cathode end, divider resistance R20 connect POE network socket power supply output negative pole end, Zener diode D2 is located at
Between divider resistance R14 and R20, Zener diode D2 negative pole connects divider resistance R14, and Zener diode D2 positive pole connects dividing potential drop
The S pole of resistance R20, N-channel fet Q1 connects the power supply output negative pole end of POE network socket, G pole connects voltage stabilizing two
Pole pipe D2 negative pole, D pole connect DC-DC lowering and stabilizing blood pressure module as the output negative pole end of standard supply module.Divider resistance R14 and
The resistance of R20 is equal, and the voltage stabilizing value of Zener diode D2 is 27V.N-channel fet Q1 is CS1N60.
Further, described nonstandard wire jumper module includes a wire jumper socket P12, and two of which pin is connected to standard
The pin 2 at supply module two ends, specifically wire jumper socket P12 connects the power supply output negative pole end of POE network socket, and pin 1 is even
Connecing the output negative pole end of standard supply module, the pin 3 of wire jumper socket P12 is vacant.
Further, described DC-DC lowering and stabilizing blood pressure module include LM2596HVT-5.0 voltage stabilizing chip U5, Zener diode D1,
The output cathode end of the VIN+ end connection standard supply module of inductance L4 and electric capacity C22, LM2596HVT-5.0 voltage stabilizing chip U5,
GHD end and ON/OFF end are all connected with the output negative pole end of standard supply module ground connection, FB end connect power receiving equipment positive terminal,
OUT terminal connects the positive terminal of power receiving equipment by inductance L4, and the negative pole end of Zener diode D1 connects OUT terminal, positive terminal connects
The output negative pole end of standard supply module, the positive terminal of electric capacity C22 connect inductance L4, negative pole end connection standard supply module defeated
Go out negative pole end.
Further, also include security unit, be arranged between POE network socket and standard supply module.Described insurance policy
Unit is the electric fuse F1 of 0.5A60V, is connected on the power supply output cathode end line of POE network socket.
Further, also include filter unit, be arranged between standard supply module and DC-DC lowering and stabilizing blood pressure module.Described
Filter unit is filter capacitor C20, is connected in parallel between the output both positive and negative polarity of standard supply module.
The beneficial effects of the utility model are:
1, turn off by nonstandard wire jumper module or turn on, matching standard supply module and DC-DC lowering and stabilizing blood pressure module
Same circuit can be realized and adapt to optionally the selecting of two kinds of powering modes, need to carry out standard when powering, allow nonstandard wire jumper module disconnect,
Carrying out standard detection by standard supply module to be powered, when supply voltage is more than setting value, standard supply module is to DC-
DC lowering and stabilizing blood pressure module for power supply；When needing nonstandard constrained feed, nonstandard wire jumper module is allowed to turn on, the electricity of POE network socket input
Pressure is sent directly into DC-DC lowering and stabilizing blood pressure module.Specifically, the switching characteristic of Q1 and the short circuit of wire jumper socket P12 is make use of to power
Mode realizes compatibility standard POE agreement and powers and force non-standard POE powering mode, the most only need to develop a kind of product
Support two kinds of power supply modes simultaneously；
2, this circuit has foolproof function simultaneously, when being applied to POE by electricity system, in the range of nominal tension, and nothing
Opinion accesses the switch of which kind of powering mode, and this circuit all will not damage；And circuit is in the course of the work, if user changes jumping
Line socket P12 jumps and emits short circuit mode, also will not damage circuit.
3, this current design is ingenious, it is easy to accomplish, safe and stable, comprehensive.
Accompanying drawing explanation
Fig. 1 shows that the POE that is applied to of the present utility model is subject to the structural representation of electricity system.
Fig. 2 shows structural representation of the present utility model.
Fig. 3 shows detailed circuit structure chart of the present utility model.
Detailed description of the invention
As shown in Figures 1 to 3, a kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit, is arranged on POE network
Between socket and power receiving equipment, including: standard supply module, there is the line impedance of conformance with standard agreement, and at input voltage
Turn on more than during setting value, after conducting, the voltage that POE network socket inputs is sent to DC-DC lowering and stabilizing blood pressure module；Nonstandard wire jumper
Module, for carrying out the switching of nonstandard supply line, the voltage of input is sent directly into DC-DC lowering and stabilizing blood pressure module；DC-DC blood pressure lowering
Voltage stabilizing module, for the DC voltage of input is carried out blood pressure lowering, voltage stabilizing, powers to power receiving equipment；Wherein, standard supply module
Input connects POE network socket, and outfan connects the input of DC-DC lowering and stabilizing blood pressure module, DC-DC lowering and stabilizing blood pressure module
Outfan connects power receiving equipment, and nonstandard wire jumper wired in parallel is at standard supply module two ends.
Under standard agreement powering mode: POE switch detects the circuit resistance of the conformance with standard agreement of standard supply module
During anti-value, then can attempt carrying out small area analysis and progressively boost, when supply voltage reaches setting value, standard supply module turns on, POE
Switch stably exports 48～57V voltages, and through standard supply module to DC-DC lowering and stabilizing blood pressure module for power supply, DC-DC blood pressure lowering is steady
Die block is powered for power receiving equipment after lowering and stabilizing blood pressure processes.
Under nonstandard constrained feed pattern: nonstandard wire jumper module turns on, and power supply the most after testing, directly arrives POE by netting twine
Network socket inputs, and the voltage of input is directly by sending into DC-DC lowering and stabilizing blood pressure module, DC-DC after nonstandard wire jumper module
Lowering and stabilizing blood pressure module is powered for power receiving equipment after lowering and stabilizing blood pressure processes.
Concrete, described standard supply module include detection resistance R16 that resistance is 24.9K, divider resistance R14 and R20,
Zener diode D2 and N-channel fet Q1, the resistance of divider resistance R14 and R20 is equal, all selects 51K, selection
The voltage stabilizing value of Zener diode D2 is 27V, and N-channel fet Q1 is CS1N60.Described nonstandard wire jumper module includes one
Individual wire jumper socket P12, two of which pin is connected to standard supply module two ends.Described DC-DC lowering and stabilizing blood pressure module bag
Include LM2596HVT-5.0 voltage stabilizing chip U5, Zener diode D1, inductance L4 and electric capacity C22.Detection resistance R16 is connected in parallel on POE net
The power supply output positive and negative end of network socket, is connected in parallel on detection resistance R16 two ends, dividing potential drop electricity after divider resistance R14 and R20 series connection
Resistance R14 connects the power supply output cathode end of POE network socket, and divider resistance R20 connects the power supply output negative pole of POE network socket
End, Zener diode D2 is located between divider resistance R14 and R20, and Zener diode D2 negative pole connects divider resistance R14, voltage stabilizing
Diode D2 positive pole connects the power supply output of the S pole connection POE network socket of divider resistance R20, N-channel fet Q1
Negative pole end, G pole connect Zener diode D2 negative pole, D pole connects LM2596HVT-as the output negative pole end of standard supply module
The GHD end of 5.0 voltage stabilizing chip U5 and ON/OFF end.The pin 2 of wire jumper socket P12 connects the S pole of Q1, and pin 1 connects the D of Q1
Pole, pin 3 is vacant.The output cathode end of VIN+ end connection standard supply module of LM2596HVT-5.0 voltage stabilizing chip U5, GHD
End and ON/OFF end all also ground connection, FB end connect the positive terminal of power receiving equipment, OUT terminal is just connecting power receiving equipment by inductance L4
Extremely, the negative pole end of Zener diode D1 connects OUT terminal, the D pole of positive terminal connection Q1, and the positive terminal of electric capacity C22 connects inductance
L4, negative pole end connect the D pole of Q1.
Under the standard of the exchanger POE agreement powering mode: P12 wire jumper not short circuit, it is open circuit between pin 1 and pin 2,
After POE switch detects the 24.9k resistance of POE network socket rear end R16, can sound out and be powered, when reaching 27V, D2 leads
Logical, Q1 turns on, and power supply is powered to U5, and the 48V-55 power supply of POE switch can be exported to rear class work after DC-DC converts by U5
Make.Under nonstandard pressure POE powering mode: P12 only need to be by jump cap short circuit pin 1 and pin 2, and front end is transmitted through by netting twine
Come 7-60V power supply directly by P12 turn on power to U5, U5 after DC-DC blood pressure lowering for rear class equipment.Whole circuit is skilful
Make use of switching characteristic and the P12 short circuit power supply mode of Q1, it is achieved that single circuit compatibility standard POE agreement simultaneously is powered wonderfully
With the non-standard POE powering mode of pressure, only need to develop product always can support two kinds of power supply modes simultaneously.
This circuit has foolproof function simultaneously, in the case of P12 short circuit pin 1 and pin 2, and the most nonstandard power taking pattern,
If equipment is accessed standard POE switch by user by mistake, owing to switch detection circuit capacitance-resistance value is much larger than POE consensus standard,
Therefore POE switch will not be powered.In like manner, in the case of P12 not short circuit, i.e. standard power taking pattern, if user is by mistake by equipment
Accessing in constrained feed netting twine, equipment does not turns on work under less than 27V voltage, and during 27V-60V, Q1 turns on, and equipment is normal
Work.Therefore, in the range of nominal tension, no matter accessing the switch of which kind of powering mode, this circuit all will not damage.With
Reason, in the course of the work, if user changes P12, jumping emits short circuit mode to circuit, also will not damage circuit.
Preferably, also include security unit, be arranged between POE network socket and standard supply module.
Described security unit is the electric fuse F1 of 0.5A60V, is connected on the power supply output cathode end line of POE network socket.Permissible
The job security of this circuit each module is effectively ensured.
Preferably, also include filter unit, be arranged on standard supply module and DC-DC lowering and stabilizing blood pressure module
Between.Described filter unit is filter capacitor C20, is connected in parallel between the output both positive and negative polarity of standard supply module.Can be to will
The electric current of input DC-DC lowering and stabilizing blood pressure module filters, and improves the stability of rear class output.
This utility model is safe and stable, comprehensive, integrates standard POE and two kinds of powering modes of nonstandard POE are integrated, simplify
The circuit design of equipment supply module, it is to avoid the equipment of duplication of production difference powered types, the to greatest extent power taking of compatible subscribers
Environment, can be widely applied in the network electronic devices such as Network Smart Card Reader-Writer, router, Smart Home power receiving equipment.
Claims (10)
1. standard POE is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that be arranged on POE network socket
And between power receiving equipment, including:
Standard supply module, has the line impedance of conformance with standard agreement, and the conducting when input voltage is more than setting value, conducting
After by POE network socket input voltage be sent to DC-DC lowering and stabilizing blood pressure module；
Nonstandard wire jumper module, for carrying out the switching of nonstandard supply line, directly directly send the voltage that POE network socket inputs
Enter DC-DC lowering and stabilizing blood pressure module；
DC-DC lowering and stabilizing blood pressure module, for the DC voltage of input is carried out blood pressure lowering, voltage stabilizing, powers to power receiving equipment；
Wherein, the input of standard supply module connects POE network socket, and outfan connects the defeated of DC-DC lowering and stabilizing blood pressure module
Entering end, the outfan of DC-DC lowering and stabilizing blood pressure module connects power receiving equipment, and nonstandard wire jumper wired in parallel is at standard supply module two
End；
Under standard agreement powering mode: nonstandard wire jumper module disconnects, and POE switch detects the conformance with standard of standard supply module
During the line impedance value of agreement, then can attempt carrying out small area analysis and progressively boost, when supply voltage reaches setting value, standard is powered
Module turns on, and POE switch stably exports 48～57V voltages, transfers to DC-DC lowering and stabilizing blood pressure module through standard supply module,
DC-DC lowering and stabilizing blood pressure module is powered for power receiving equipment after lowering and stabilizing blood pressure processes；
Under nonstandard constrained feed pattern: nonstandard wire jumper module turns on, power supply the most after testing, directly arrives POE network by netting twine
Socket inputs, and the voltage of input is directly by sending into DC-DC lowering and stabilizing blood pressure module, DC-DC blood pressure lowering after nonstandard wire jumper module
Voltage stabilizing module is powered for power receiving equipment after lowering and stabilizing blood pressure processes.
Standard POE the most according to claim 1 is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that institute
The standard supply module of stating includes detection resistance R16, divider resistance R14 and R20, Zener diode D2 and the N ditch that resistance is 24.9K
Road fet Q1, detection resistance R16 are connected in parallel on the power supply output positive and negative end of POE network socket, divider resistance R14
Being connected in parallel on detection resistance R16 two ends with R20 after connecting, divider resistance R14 connects the power supply output cathode end of POE network socket,
Divider resistance R20 connect POE network socket power supply output negative pole end, Zener diode D2 be located at divider resistance R14 and R20 it
Between, Zener diode D2 negative pole connects divider resistance R14, and Zener diode D2 positive pole connects divider resistance R20, and N-channel field is imitated
The S pole answering audion Q1 connects the power supply output negative pole end of POE network socket, G pole connects Zener diode D2 negative pole, D pole is made
Output negative pole end for standard supply module connects DC-DC lowering and stabilizing blood pressure module.
Standard POE the most according to claim 1 is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that institute
Stating nonstandard wire jumper module and include a wire jumper socket P12, two of which pin is connected to standard supply module two ends, specifically
It is the pin 2 of the wire jumper socket P12 power supply output negative pole end that connects POE network socket, pin 1 connection standard supply module defeated
Going out negative pole end, the pin 3 of wire jumper socket P12 is vacant.
Standard POE the most according to claim 1 is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that institute
State DC-DC lowering and stabilizing blood pressure module and include LM2596HVT-5.0 voltage stabilizing chip U5, Zener diode D1, inductance L4 and electric capacity C22,
Output cathode end, GHD end and the ON/OFF end of the VIN+ end connection standard supply module of LM2596HVT-5.0 voltage stabilizing chip U5 are equal
The output negative pole end of connection standard supply module ground connection, the FB end connection positive terminal of power receiving equipment, OUT terminal are by inductance L4 even
Connecing the positive terminal of power receiving equipment, the negative pole end of Zener diode D1 connects OUT terminal, the output of positive terminal connection standard supply module
Negative pole end, the positive terminal of electric capacity C22 connects inductance L4, the output negative pole end of negative pole end connection standard supply module.
Standard POE the most according to claim 2 is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that institute
The resistance stating divider resistance R14 and R20 is equal, and the voltage stabilizing value of Zener diode D2 is 27V.
Standard POE the most according to claim 2 is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that institute
Stating N-channel fet Q1 is CS1N60.
7. integrated with forcing nonstandard POE by electricity power circuit according to standard POE described in any one in claim 1～6,
It is characterized in that, also include security unit, be arranged between POE network socket and standard supply module.
Standard POE the most according to claim 7 is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that institute
State the electric fuse F1 that security unit is 0.5A60V, be connected on the power supply output cathode end line of POE network socket.
9. integrated with forcing nonstandard POE by electricity power circuit according to standard POE described in any one in claim 1～6,
It is characterized in that, also include filter unit, be arranged between standard supply module and DC-DC lowering and stabilizing blood pressure module.
Standard POE the most according to claim 9 is integrated with forcing nonstandard POE by electricity power circuit, it is characterised in that
Described filter unit is filter capacitor C20, is connected in parallel between the output both positive and negative polarity of standard supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847313.5U CN205864445U (en) | 2016-08-06 | 2016-08-06 | A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620847313.5U CN205864445U (en) | 2016-08-06 | 2016-08-06 | A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit |
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| Publication Number | Publication Date |
|---|---|
| CN205864445U true CN205864445U (en) | 2017-01-04 |
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ID=57658203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620847313.5U Withdrawn - After Issue CN205864445U (en) | 2016-08-06 | 2016-08-06 | A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN205864445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100858A (en) * | 2016-08-06 | 2016-11-09 | 何明 | A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit |
| CN110113174A (en) * | 2019-03-28 | 2019-08-09 | 普联技术有限公司 | A kind of power over Ethernet device |
-
2016
- 2016-08-06 CN CN201620847313.5U patent/CN205864445U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100858A (en) * | 2016-08-06 | 2016-11-09 | 何明 | A kind of standard POE is integrated with forcing nonstandard POE by electricity power circuit |
| CN106100858B (en) * | 2016-08-06 | 2021-12-17 | 何明 | Standard POE and force non-standard POE integration to receive power supply circuit |
| CN110113174A (en) * | 2019-03-28 | 2019-08-09 | 普联技术有限公司 | A kind of power over Ethernet device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170104 Effective date of abandoning: 20211217 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170104 Effective date of abandoning: 20211217 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |