CN208128265U - A kind of Power over Ethernet apparatus and system - Google Patents
A kind of Power over Ethernet apparatus and system Download PDFInfo
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- CN208128265U CN208128265U CN201820508200.1U CN201820508200U CN208128265U CN 208128265 U CN208128265 U CN 208128265U CN 201820508200 U CN201820508200 U CN 201820508200U CN 208128265 U CN208128265 U CN 208128265U
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Abstract
The utility model discloses a kind of Power over Ethernet apparatus and systems can receive the power supply of Power over Ethernet POE equipment, while reducing power loss to realize while terminal is communicated with network communication equipment.A kind of Power over Ethernet device provided by the utility model, the device include:First network interface connects network communication equipment;Second network interface connects terminal device;Third network interface connects POE equipment;Wherein, it is connected directly by the first network interface and second network interface, second network interface is connected directly with the third network interface, while communicating terminal device with network communication equipment, can receive the power supply of POE equipment;Or, the device further includes the network transformer being connected respectively with the first network interface, the second network interface and third network interface, while communicating terminal device with network communication equipment, the power supply of POE equipment can be received.
Description
Technical field
The utility model relates to electroporation field more particularly to a kind of Power over Ethernet apparatus and systems.
Background technique
As technology develops, Power over Ethernet (Power Over Ethernet, POE) is used as a kind of convenient and fast supplier of electricity
Formula is applied on more and more terminal devices, supports the Ethernet switch of POE function, can be same by multiple ports
When supplying power for outside, and terminal device no longer needs external power supply, and to reach, connection is simpler, power management is more easily imitated
Fruit.It is powered by POE, the power supply of terminal device and data transmission are all carried out by cable, and each terminal equipment need to only be laid with one
Root cable, it is no longer necessary to which additional to be laid with power supply line or provide power supply adaptor, terminal device is connected to by a cable
The POE equipment such as POE interchanger of local side.However, often requiring to use debugging in installation, debugging, maintenance terminal equipment and setting
Standby, commissioning device connects terminal device by cable and checks image or data, to confirm the working condition of terminal device.And
When commissioning device and terminal device carry out network communication, need to disconnect the connection with POE equipment, so that terminal device loses POE
Power supply, can not work normally.
Utility model content
The utility model embodiment provides a kind of Power over Ethernet apparatus and system, to realize in terminal and network communication
While equipment communicates, the power supply of POE equipment can be received, while reducing power loss.
The utility model embodiment provides a kind of Power over Ethernet device, which includes:
First network interface connects network communication equipment;
Second network interface connects terminal device;
Third network interface connects Power over Ethernet POE equipment;
Wherein, it is connected directly by the first network interface and second network interface, second network interface
It is connected directly with the third network interface, while communicating terminal device with network communication equipment, POE equipment can be received
Power supply;
Or, the device further include respectively with the first network interface, the second network interface and third network interface phase
Network transformer even while communicating terminal device with network communication equipment, can receive the power supply of POE equipment.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by will connect network communication equipment first
Network interface is connected directly with the second network interface for connecting terminal device, to carry out network communication, and will connect POE equipment
Third network interface is connected directly with the second network interface, to carry out POE power supply, or, by by three network interfaces and network
Transformer is connected, to realize while terminal device is communicated with network communication equipment, can receive the confession of POE equipment
Electricity, simultaneously as power consumed by network transformer or three network interfaces is smaller, to reduce power loss.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, when the network communication equipment
When traffic rate is 100,000,000 and 100,000,000 or less, it is connected directly by the first network interface and second network interface, institute
The second network interface is stated to be connected directly with the third network interface, while communicating terminal device with network communication equipment,
It can receive the power supply of POE equipment.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by traffic rate be 100,000,000 and 100,000,000 with
When lower, the first network interface for connecting network communication equipment is connected directly with the second network interface for connecting terminal device, with
Network communication is carried out, and the third network interface for connecting POE equipment is connected directly with the second network interface, to carry out POE confession
Electricity can receive the power supply of POE equipment to realize while terminal device is communicated with network communication equipment, another
Aspect, the power consumed by network interface is connected directly is smaller, reduces power loss.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, the first network interface, second
Network interface respectively includes eight pins;
The first network interface is connected directly with second network interface, is specifically included:
First pin of the first network interface is connected with the first pin of second network interface;
Second pin of the first network interface is connected with the second pin of second network interface;
The third pin of the first network interface is connected with the third pin of second network interface;
6th pin of the first network interface is connected with the 6th pin of second network interface.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by by the first and second of first network interface,
Three, six pins are connected with first, second and third, six pins of the second network interface respectively, to make network communication equipment by second
First, second and third, six pins and terminal device of network interface carry out network communication, and the remaining 4th in the second network interface,
Five, seven, eight pins can carry out POE and separate the circuit that terminal device is communicated with network communication equipment for electrical connection, and eventually
End equipment receives the circuit of the power supply of POE equipment, thus while realizing that terminal device is communicated with network communication equipment, Neng Goujie
It is powered by POE equipment.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, the third network interface include
Eight pins;
Second network interface is connected directly with the third network interface, is specifically included:
The first pin, the second pin, the 4th pin and the 5th pin of the third network interface are connected with each other, and with institute
The 4th pin and the 5th pin for stating the second network interface are connected;
Third pin, the 6th pin, the 7th pin and the 8th pin of the third network interface are connected with each other, and with institute
The 7th pin and the 8th pin for stating the second network interface are connected.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by by the first and second of third network interface,
Four, five pins are connected with fourth, fifth pin of the second network interface respectively, and by the third of third network interface, six, seven, eight
Pin is connected with the seven, the eight pins of the second network interface respectively, thus make POE equipment by the second network interface the 4th,
Five, seven, eight pins carry out POE power supply to terminal device, and remaining first, second and third, six pins can be into the second network interface
Row network communication, separated terminal device receive POE equipment power supply circuit and terminal device and network communication equipment carry out
The circuit of communication, so that the power supply of POE equipment can be received while realizing that terminal device is communicated with network communication equipment.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, when the network communication equipment
When traffic rate is gigabit and gigabit or less, the device further include respectively with the first network interface, the second network interface with
And the network transformer that third network interface is connected, while communicating terminal device with network communication equipment, POE can be received
Equipment power supply.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by traffic rate be gigabit and gigabit with
When lower, first network interface, the second network interface and third network interface are connected with network transformer respectively, to realize
While terminal device is communicated with network communication equipment, the power supply of POE equipment can be received, on the other hand, due to network
Power consumed by transformer is smaller, therefore reduces power loss.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, the first network interface include
Eight pins;
The network transformer includes 24 pins;Wherein, the first pin~12nd of the network transformer
Pin is primary coil pin, and the tenth three-prong~the 24th pin is secondary coil pin;
Wherein, the first pin of the first network interface is connected with the second pin of the network transformer;
Second pin of the first network interface is connected with the third pin of the network transformer;
The third pin of the first network interface is connected with the 5th pin of the network transformer;
4th pin of shown first network interface is connected with the 6th pin of the network transformer;
5th pin of the first network interface is connected with the 8th pin of the network transformer;
6th pin of the first network interface is connected with the 9th pin of the network transformer;
7th pin of the first network interface is connected with the 11st pin of the network transformer;
8th pin of the first network interface is connected with the 12nd pin of the network transformer.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by will connect network communication equipment first
Network interface is connected to the primary coil pin in network transformer, so that the second network interface for connecting terminal device be connected
When secondary coil pin into network transformer, since network signal is ac signal, to realize network communication equipment
It is communicated by network transformer with terminal device.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, second network interface include
Eight pins;
Wherein, the first pin of second network interface is connected with the 20th three-prong of the network transformer;
Second pin of second network interface is connected with the 22nd pin of the network transformer;
The third pin of second network interface is connected with the 20th pin of the network transformer;
4th pin of second network interface is connected with the 19th pin of the network transformer;
5th pin of second network interface is connected with the 17th pin of the network transformer;
6th pin of second network interface is connected with the 16th pin of the network transformer;
7th pin of second network interface is connected with the 14th pin of the network transformer;
8th pin of second network interface is connected with the tenth three-prong of the network transformer.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by the second network that will connect terminal device
Interface is connected to the secondary coil pin in network transformer, so that the first network interface for connecting network communication equipment be connected
When primary coil pin into network transformer, since network signal is ac signal, so that network communication equipment
It is communicated by network transformer with terminal device, on the other hand, the third network interface for connecting POE equipment is accessed into network
Remaining secondary coil pin in transformer, what it is due to POE electrical transfer is direct current, so that POE equipment passes through network transformation
Device is powered terminal device, to can receive POE equipment while realizing that terminal device is communicated with network communication equipment
Power supply.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, the third network interface include
Eight pins;
Wherein, the first pin of the third network interface is connected with each other with the second pin, and with the network transformer
The 24th pin be connected;
The third pin of the third network interface is connected with each other with the 4th pin, and second with the network transformer
11 pins are connected;
5th pin of the third network interface is connected with each other with the 6th pin, and the with the network transformer the tenth
Eight pins are connected;
7th pin of the third network interface is connected with each other with the 8th pin, and the with the network transformer the tenth
Five pins are connected.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by the third network that will connect POE equipment
Interface is connected to the secondary coil pin in network transformer, so that the second network interface for connecting terminal device is connected to net
When secondary coil pin in network transformer, what it is due to POE electrical transfer is direct current, to realize that POE equipment passes through network
Transformer is powered terminal device.
Optionally, above-mentioned Power over Ethernet device provided by the embodiment of the utility model, the first network interface, second
Network interface and third network interface are RJ45 network interface.
Above-mentioned Power over Ethernet device provided by the embodiment of the utility model, uses the standard wiring side of RJ45 network interface
Formula carries out network communication and POE powers.
Correspondingly, the utility model embodiment provides a kind of Power over Ethernet system, including any of the above-described ether
Net power supply unit and POE equipment.
Above-mentioned Power over Ethernet system provided by the embodiment of the utility model, including any of the above-described Power over Ethernet
Device and POE equipment can also include network communication equipment and terminal device, to keep network communication equipment and terminal device logical
While crossing Power over Ethernet device and communicated, terminal device can receive the confession of POE equipment by Power over Ethernet device
Electricity.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is to realize the principle signal for receiving the power supply of POE equipment while terminal is communicated with commissioning device in the prior art
Figure;
Fig. 2 is the structural schematic diagram of POE transparent transmission interchanger in the prior art;
Fig. 3 is that (traffic rate exists a kind of structural schematic diagram of Power over Ethernet device provided by the embodiment of the utility model
100000000 and 100,000,000 or less);
Fig. 4 is that (traffic rate exists a kind of structural schematic diagram of Power over Ethernet device provided by the embodiment of the utility model
Below gigabit and gigabit);
Fig. 5 is the pin schematic diagram of RJ45 network interface;
Fig. 6 is that (traffic rate exists a kind of circuit diagram of Power over Ethernet device provided by the embodiment of the utility model
100000000 and 100,000,000 or less);
Fig. 7 is that (traffic rate exists a kind of circuit diagram of Power over Ethernet device provided by the embodiment of the utility model
Below gigabit and gigabit);
Fig. 8 is the structural representation of network transformer in a kind of Power over Ethernet device provided by the embodiment of the utility model
Figure.
Specific embodiment
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be described in further detail, it is clear that described embodiment is only the utility model a part of the embodiment, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
All other embodiment obtained is put, is fallen within the protection scope of the utility model.
As shown in Figure 1, terminal device 02 passes through cable and Power over Ethernet (Power Over Ethernet, POE) equipment
03 is connected, and receives the power supply of POE equipment, and in terminal device operation, it is often necessary to commissioning device 21 is connected with terminal device 02
It is debugged, since commissioning device 21 and terminal device 02 may need to carry out network communication by cable, it is therefore desirable to disconnect
The connection of terminal device 02 and POE equipment 03, terminal device 02 loses POE power supply at this time, it is therefore desirable to additionally increase external electrical
Source 25 powers to terminal device 02.
On the other hand, as shown in Fig. 2, powering if not adding external power supply to terminal device 02, need to increase POE transparent transmission
Interchanger 022, and terminal device 02, commissioning device 21, POE equipment 03 are connected with POE transparent transmission interchanger 022 respectively, it is described
POE transparent transmission interchanger 022 includes:Network interface A, network interface B, network interface C and POE power supply processing module 22, network are handed over
Block 23, power conversion module 24 are changed the mold, implementing circuit is more complex, simultaneously because functional module itself needs to power, therefore power
It is lost larger.
As shown in Figure 3, Figure 4, the utility model embodiment provides a kind of Power over Ethernet device 011, which includes:The
One network interface R1, the second network interface R2 and third network interface R3.
Wherein, a kind of implementation, as shown in Figure 3:
First network interface R1 is connected between network communication equipment 01 and the second network interface R2;
Second network interface R2 is connected between terminal device 02 and first network interface R1, while being connected to terminal and setting
Between standby 02 and third network interface R3;
Third network interface R3 is connected between POE equipment 03 and the second network interface R2;
To be connected directly by the first network interface R1 and the second network interface R2, so that terminal device
02 can be communicated with network communication equipment 01, while pass through the second network interface R2 and the third network interface R3
It is connected directly, allows terminal device 02 to receive the power supply of POE equipment 03, to make terminal device 02 and network communication equipment 01
While communication, the power supply of POE equipment 03 can be received;
Another implementation, as shown in figure 4, the device further include respectively with the first network interface R1, second
Network interface R2 and third network interface R3 connected network transformer T1, wherein
First network interface R1, is connected between network communication equipment 01 and network transformer T1;
Second network interface R2, is connected between terminal device 02 and network transformer T1;
Third network interface R3, is connected between POE equipment 03 and network transformer T1;
To allow terminal device 02 to pass through the second network interface R2, network transformer T1 and first network interface R1
Communicated with network communication equipment 01, terminal device 02 can also be allow by the second network interface R2, network transformer T1 and
Third network interface R3 receives the power supply of POE equipment 03, thus while communicating terminal device 02 with network communication equipment 01, energy
Enough receive the power supply of POE equipment 03.
Optionally, in above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, the terminal device 02
It can be any terminal device with network communicating function, the alternatively referred to as network terminal, such as can be web camera.
Optionally, in above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, the network communication is set
Standby 01 can be any equipment with network communicating function, which needs to be communicated with terminal device 02, such as can be with
For the commissioning device debugged to terminal device 02.
As it can be seen that as shown in figure 3, above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, by that will connect
The first network interface R1 of network communication equipment 01 is connected directly with the second network interface R2 for connecting terminal device 02, to carry out
Network communication, and the third network interface R3 and the second network interface R2 that connect POE equipment 03 are connected directly, to carry out POE
Power supply.Alternatively, as shown in figure 4, by the way that three network interfaces (R1, R2, R3) are connected with network transformer T1, to realize
While terminal device 02 is communicated with network communication equipment 01, the power supply of POE equipment 03 can be received, simultaneously as net
Power consumed by network transformer T1 or three network interfaces (R1, R2, R3) is smaller, to reduce power loss.
Optionally, in above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, the first network is connect
Mouth R1, the second network interface R2 and third network interface R3 for example can be RJ45 network interface.
As shown in figure 5, RJ45 network interface includes eight pins (pin), it is followed successively by what ieee standard defined from top to bottom
DAT+ pin, DAT- pin, DBR+ pin, DC+ pin, DC- pin, DBR- pin, DD+ pin, DD- pin, wherein Fig. 5
In number on the right side of each pin be the pin number, when carrying out network communication using RJ45 network interface or POE powers,
Each pin definitions are as shown in table 1:
Pin numbering and title | Gigabit Ethernet | 100 m ethernet | POE power supply |
1DAT+ | First group of data transmit-receive-is just | Data transmission-is just | One-A grades of POE mode-positive/negative grade |
2DAT- | First group of data transmit-receive-is negative | Data send-bear | One-A grades of POE mode-positive/negative grade |
3DBR+ | Second group of data transmit-receive-is just | Data receiver-is just | POE mode one-B grades-positive negative grade |
6DBR- | Second group of data transmit-receive-is negative | Data receiver-is negative | POE mode one-B grades-positive negative grade |
4DC+ | Third group data transmit-receive-is just | It does not use | POE mode two-anode |
5DC- | Third group data transmit-receive-is negative | It does not use | POE mode two-anode |
7DD+ | 4th group of data transmit-receive-is just | It does not use | POE two-cathode of mode |
8DD- | 4th group of data transmit-receive-is negative | It does not use | POE two-cathode of mode |
Table 1
Each pin of RJ45 network interface is connected to a circuit (alternatively referred to as core), can by the circuit into
The transmission of row data or signal.
Such as table 1, that is to say, that when network communication equipment 01 and terminal device 02 using gigabit and the following Ethernet of gigabit into
When row communication, can eight pins of the first network interface R1 (RJ45 network interface) of connection network communication equipment 01 all with
The the second network interface R2 for connecting terminal device 02 is connected, and carries out data transmit-receive by four groups of circuits;When network communication equipment 01
It, can be the first of connection network communication equipment 01 when being communicated with terminal device 02 using 100,000,000 and 100,000,000 or less Ethernets
First, second and third, six pins of network interface R1 (RJ45 network interface) and the second network interface R2 phase for connecting terminal device 02
Even, data transmit-receive is carried out by two groups of circuits.
On the other hand, when POE equipment 03 is powered terminal device 02, there are two types of the powering modes of POE, works as POE
It, can be the third network interface R3 of connection POE equipment 03 when 03 use pattern a pair of terminal device 02 of equipment is powered
First, second and third, six pins of (RJ45 network interface) are connected with the second network interface R2 for connecting terminal device 02;When POE is set
It, can be the third network interface R3 (RJ45 of connection POE equipment 03 when standby 03 use pattern two is powered terminal device 02
Network interface) fourth, fifth, seven, eight pins and connect terminal device 02 the second network interface R2 be connected.
Optionally, in above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, POE equipment 03 can be with
An optional mode is powered terminal device 02 from two modes, and terminal device 02 can support any mould in both of which
The POE of formula powers.
Optionally, as shown in figure 3, in a kind of possible embodiment, it is provided by the embodiment of the utility model it is above-mentioned with
Too net power supply unit 011 passes through first network when the traffic rate of the network communication equipment 01 is 100,000,000 and 100,000,000 or less
Interface R1 is connected directly with the second network interface R2, to carry out network communication, the second network interface R2 and third network interface R3
It is connected directly, to carry out POE power supply, while communicating terminal device 02 with network communication equipment 01, POE equipment can be received
03 power supply.
Optionally, when it is implemented, as shown in fig. 6, being filled in above-mentioned Power over Ethernet provided by the embodiment of the utility model
It sets in 011, the first network interface R1 of connection network communication equipment 01 includes eight pins, and R1_1~R1_8 is first in Fig. 6
Second network interface R2 of the number of eight pins of network interface R1, connection terminal device 02 includes eight pins, in Fig. 6
R2_1~R2_8 is the number of eight pins of the second network interface R2;
First network interface R1 is connected directly with the second network interface R2, is specifically included:
The first pin R2_1 of the first pin R1_1 and the second network interface R2 of first network interface R1 are connected;
The second pin R2_2 of the second pin R1_2 and the second network interface R2 of first network interface R1 are connected;
The third pin R1_3 of first network interface R1 is connected with the third pin R2_3 of the second network interface R2;
The 6th pin R1_6 of first network interface R1 is connected with the 6th pin R2_6 of the second network interface R2.
It wherein, for example can be RJ45 network interface referring to table 1 and Fig. 5, the first pin R1_1 of first network interface R1
Pin DAT+, as data send anode, the second pin R1_2 of first network interface R1 for example can be RJ45 network
The pin DAT- of interface, the cathode sent as data;The third pin R1_3 of first network interface R1 for example can be RJ45
The pin DBR+ of network interface, as the anode of data receiver, the 6th pin R1_6 of first network interface R1 for example can be
The pin DBR- of RJ45 network interface, as the cathode of data receiver, by first, second and third, six pins of first network interface R1
Correspondence is connect with first, second and third, six pins of the second network interface R2, then network communication equipment 01 passes through first network interface
The the first pin R1_1 and the second pin R1_2 of R1 sends the data to terminal device 02, passes through the third of first network interface R1
The data that pin R1_3 and the 6th pin R1_6 receiving terminal apparatus 02 are sent, so that network communication equipment 01 can be with end
End equipment 02 carries out network communication.
Optionally, when it is implemented, as shown in fig. 6, being filled in above-mentioned Power over Ethernet provided by the embodiment of the utility model
It sets in 011, the third network interface R3 of connection POE equipment 03 includes eight pins, and R3_1~R3_8 is that third network connects in Fig. 6
The number of eight pins of mouth R3;
Second network interface R2 is connected directly with third network interface R3, is specifically included:
The first pin R3_1, the second pin R3_2, the 4th pin R3_4 and the 5th pin R3_5 of third network interface R3
It is connected with each other, and is connected with the 4th pin R2_4 of the second network interface R2 and the 5th pin R2_5;
Third pin R3_3, the 6th pin R3_6, the 7th pin R3_7 and the 8th pin R3_8 of third network interface R3
It is connected with each other, and is connected with the 7th pin R2_7 of the second network interface R2 and the 8th pin R2_8.
Wherein, there are two types of powering modes for the powering mode of POE, referring to table 1 and Fig. 5, the first pipe of third network interface R3
Foot R3_1 can be for example the pin DAT+ of RJ45 network interface, the anode (or cathode) that the A grade as POE mode one is powered,
The second pin R3_2 of third network interface R3 for example can be the pin DAT-, the A as POE mode one of RJ45 network interface
The anode (or cathode) of grade power supply, the third pin R3_3 of third network interface R3 for example can be the pin of RJ45 network interface
DBR+, the cathode (or anode) that the B grade as POE mode one is powered, the 6th pin R3_6 of third network interface R3 for example may be used
The pin DBR- for thinking RJ45 network interface, the cathode (or anode) that the B grade as POE mode one is powered;Third network interface
The 4th pin R3_4 of R3 for example can be the pin DC+ of RJ45 network interface, as the anode of POE mode two, third network
The 5th pin R3_5 of interface R3 for example can be the pin DC- of RJ45 network interface, as the anode of POE mode two, third
The 7th pin R3_7 of network interface R3 for example can be the pin DD+ of RJ45 network interface, as the cathode of POE mode two,
The 8th pin R3_8 of third network interface R3 for example can be the pin DD- of RJ45 network interface, as the negative of POE mode two
Pole.
By the way that the first pin R3_1 of third network interface R3, the second pin R3_2, the 4th pin R3_4 and the 5th are managed
Foot R3_5 is connected with each other, and is connected with the 4th pin R2_4 of the second network interface R2 and the 5th pin R2_5;By third network
Third pin R3_3, the 6th pin R3_6, the 7th pin R3_7 and the 8th pin R3_8 of interface R3 is connected with each other, and with second
The 7th pin R2_7 of network interface R2 and the 8th pin R2_8 is connected, then when 03 use pattern a pair of terminal device of POE equipment
02 when being powered, and the first pin R3_1, the second pin R3_2 for connecting the third network interface R3 of POE equipment 03 are connected with each other
Positive (or cathode) is formed, is corresponded to and the 4th pin R2_4, the 5th pin of the second network interface R2 for connecting terminal device 02
R2_5 is connected, and third pin R3_3, the 6th pin R3_6 for connecting the third network interface R3 of POE equipment 03 are connected with each other to be formed
Cathode (or anode), corresponds to and the 7th pin R2_7, the 8th pin R2_8 of the second network interface R2 for connecting terminal device 02
Be connected, using mode one POE equipment 03 by first, second and third, six pins of third network interface R3 to terminal device 02 into
Row power supply;When 03 use pattern two of POE equipment is powered terminal device 02, the third network of connection POE equipment 03 is connect
The 4th pin R3_4, the 5th pin R3_5 of mouthful R3 is connected with each other and to form anode, corresponding with the second net for connecting terminal device 02
The 4th pin R2_4, the 5th pin R2_5 of network interface R2 is connected, and connects the 7th pipe of the third network interface R3 of POE equipment 03
Foot R3_7, the 8th pin R3_8 are connected with each other to form cathode, corresponding the with the second network interface R2 for connecting terminal device 02
Seven pin R2_7, the 8th pin R2_8 be connected, using mode two POE equipment 03 by third network interface R3 fourth, fifth,
Seven, eight pin termination equipment 02 are powered, from regardless of 03 use pattern one of POE equipment or mode two to terminal device 02
It is powered, terminal device 02 can receive the power supply of POE equipment 03.
In conclusion above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, when the network communication is set
When standby 01 traffic rate is 100,000,000 and 100,000,000 or less, by by first, second and third, six pins of first network interface R1 and the
First, second and third, six pins of two network interface R2 are connected, make network communication equipment 01 by the second network interface R2 first,
Two, three, six pins are communicated with terminal device 02, and by by first and second, four, five pins of third network interface R3 respectively with
Fourth, fifth pin of second network interface R2 is connected, by the third of third network interface R3, six, seven, eight pins respectively with second
The seven, the eight pins of network interface R2 are connected, and POE equipment 03 is made to pass through fourth, fifth, seven, eight pins of the second network interface R2
POE power supply is carried out to terminal device 02, to separate circuit and terminal that terminal device 02 receives the power supply of POE equipment 03
The circuit that equipment 02 is communicated with network communication equipment 01, to realize what terminal device 02 was communicated with network communication equipment 01
Meanwhile, it is capable to receive the power supply of POE equipment 03, on the other hand, due to terminal device 02 and network communication equipment 01 and POE equipment 03
It is communicated and is powered in such a way that network interface is connected directly, and power consumed by network interface is smaller, therefore reduces
Power loss.
Optionally, as shown in figure 4, in a kind of possible embodiment, it is provided by the embodiment of the utility model it is above-mentioned with
Too net power supply unit 011, when the traffic rate of the network communication equipment 01 is gigabit and gigabit or less, which further includes
The network transformer T1 being connected respectively with the first network interface R1, the second network interface R2 and third network interface R3,
While communicating terminal device 02 with network communication equipment 01, the power supply of POE equipment 03 can be received.
Optionally, when it is implemented, as shown in fig. 7, being filled in above-mentioned Power over Ethernet provided by the embodiment of the utility model
It sets in 011, the first network interface R1 of connection network communication equipment 01 includes eight pins, and R1_1~R1_8 is first in Fig. 7
The number of eight pins of network interface R1;
Network transformer T1 includes 24 pins, and T1_1~T1_24 is 24 of network transformer T1 in Fig. 7
The number of pin, wherein (i.e. network becomes the first pin T1_12 of pin T1_1~the 12nd of the network transformer T1 in Fig. 7
Pin on the left of depressor T1) it can be for example primary coil pin, the tenth pin T1_24 of three-prong T1_13~the 24th is (i.e.
Pin in Fig. 7 on the right side of network transformer T1) it for example can be secondary coil pin;
Wherein, it when the traffic rate of network communication equipment 01 is gigabit and gigabit or less, needs first network interface
Eight pins of R1 are all connected with the second network interface R2 for connecting terminal device 02, on provided by the embodiment of the utility model
It states in Power over Ethernet device 011, eight pins of first network interface R1 can be connected to the primary of network transformer T1
On coil pin.
Specifically, the second pin T1_2 of the first pin R1_1 and network transformer T1 of first network interface R1 are connected;
The third pin T1_3 of the second pin R1_2 and the network transformer T1 of first network interface R1 are connected;
The third pin R1_3 of the first network interface R1 is connected with the 5th pin T1_5 of the network transformer T1;
The 4th pin R1_4 of shown first network interface R1 is connected with the 6th pin T1_6 of the network transformer T1;
The 5th pin R1_5 of the first network interface R1 is connected with the 8th pin T1_8 of the network transformer T1;
The 6th pin R1_6 of the first network interface R1 is connected with the 9th pin T1_9 of the network transformer T1;
The 11st pin T1_11 phase of the 7th pin R1_7 and the network transformer T1 of the first network interface R1
Even;
The 12nd pin T1_12 phase of the 8th pin R1_8 and the network transformer TQ of the first network interface R1
Even.
It wherein, for example can be RJ45 network interface referring to table 1 and Fig. 5, the first pin R1_1 of first network interface R1
Pin DAT+, as the anode of first group of data transmit-receive circuit, the second pin R1_2 of first network interface R1 for example can be with
Cathode for the pin DAT- of RJ45 network interface, as first group of data transmit-receive circuit;The third pipe of first network interface R1
Foot R1_3 for example can be the pin DBR+ of RJ45 network interface, as the anode of second group of data transmit-receive circuit, first network
The 6th pin R1_6 of interface R1 for example can be the pin DBR- of RJ45 network interface, as second group of data transmit-receive circuit
Cathode;The 4th pin R1_4 of first network interface R1 for example can be the pin DC+ of RJ45 network interface, as third group number
According to the anode of transmission circuit, the 5th pin R1_5 of first network interface R1 for example can be the pin DC- of RJ45 network interface,
Cathode as third group data transmit-receive circuit;The 7th pin R1_7 of first network interface R1 can for example connect for RJ45 network
Mouthful pin DD+, as the anode of the 4th group of data transmit-receive circuit, the 8th pin R1_8 of first network interface R1 for example can be with
Cathode for the pin DD- of RJ45 network interface, as the 4th group of data transmit-receive circuit.By eight pipes of first network interface R1
Foot is connect with the primary coil pin of network transformer T1, so that network communication equipment 01 can pass through four groups of data transmit-receives
Circuit (any two groups of circuits send data, are left two groups of circuits and receive data), is communicated with terminal device 02.
Optionally, as shown in fig. 7, when it is implemented, being filled in above-mentioned Power over Ethernet provided by the embodiment of the utility model
It sets in 011, the second network interface R2 of connection terminal device 02 includes eight pins, and R2_1~R2_8 is the second network in Fig. 7
The number of eight pins of interface R2;
Correspondingly, when the traffic rate of network communication equipment 01 is gigabit and gigabit or less, connection terminal can be set
Eight pins of standby 02 the second network interface R2 are connected on the secondary coil pin of network transformer T1.
Specifically, the 20th three-prong T1_23 of the first pin R2_1 and network transformer T1 of the second network interface R2
It is connected;
The second pin R2_2 of second network interface R2 is connected with the 22nd pin T1_22 of network transformer T1;
The 20th pin T1_20 of the third pin R2_3 and network transformer T1 of second network interface R2 are connected;
The 4th pin R2_4 of second network interface R2 is connected with the 19th pin T1_19 of network transformer T1;
The 5th pin R2_5 of second network interface R2 is connected with the 17th pin T1_17 of network transformer T1;
The 6th pin R2_6 of second network interface R2 is connected with the 16th pin T1_16 of network transformer T1;
The 7th pin R2_7 of second network interface R2 is connected with the 14th pin T1_14 of network transformer T1;
The 8th pin R2_8 of second network interface R2 is connected with the tenth three-prong T1_13 of network transformer T1.
Referring to Fig. 7, Fig. 8,4 road network transforming circuits are included at least in network transformer T1, in the utility model specification
For including the network transformer T1 of 4 road network transforming circuits.Wherein, Fig. 8 is the first road network transforming circuit 701 in Fig. 7
Partial enlarged view.Referring to Fig. 8, each road network transforming circuit by the vertical transformer in the left side and the right transverse direction co-mode coil
Composition.
Referring back to Fig. 8, by taking the first road network transforming circuit 701 as an example, vertical transformer includes network transformer T1
The first primary coil PC1, the first pin T1_1 and third pin T1_3 between second pin T1_2 and the first pin T1_1 it
Between the second primary coil PC2 and network transformer T1 the 20th three-prong T1_23 and the 24th pin T1_24 it
Between the first secondary coil SC1, the second subprime coil between the 24th pin T1_24 and the 22nd pin T1_22
SC2, and the magnetic core (two vertical lines between primary coil and secondary coil) among primary coil and secondary coil.Together
It manages, the transformer structure having the same in other three road networks transforming circuits.The characteristic of transformer is that ac signal can be with
By electromagnetic induction principle between primary coil and secondary coil transmitted in both directions, and DC signal can not primary coil with
It is transmitted between secondary coil.
To in above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, with the first road network transformation
For circuit 701, the first pin R1_1 and network transformer T1 of the first network interface R1 of network communication equipment 01 will be connected
The second pin T1_2 (primary coil pin) be connected, the second pin R1_2's and network transformer T1 of first network interface R1
Third pin T1_3 (primary coil pin) is connected, and will connect the first pin of the second network interface R2 of terminal device 02
R2_1 is connected with the 20th three-prong T1_23 (secondary coil pin) of network transformer T1, and the second of the second network interface R2
Pin R2_2 is connected with the 22nd pin T1_22 (secondary coil pin) of network transformer T1, since network signal is to hand over
Galvanic electricity signal, the network signal known to electromagnetic induction principle can transmit between primary coil and secondary coil, i.e., network is logical
The network signal that letter equipment 03 is sent can be transferred to terminal device 02 by primary coil and secondary coil, and similarly, other three
Road network transforming circuit uses same connection type, so that network communication equipment 01 can pass through first network interface
R1, network transformer T1, the second network interface R2 are communicated with terminal device 02.
Optionally, when it is implemented, as shown in fig. 7, being filled in above-mentioned Power over Ethernet provided by the embodiment of the utility model
It sets in 011, the third network interface R3 of connection POE equipment 03 includes eight pins, and R3_1~R3_8 is that third network connects in Fig. 7
The number of eight pins of mouth R3;
Wherein, in order to enable terminal device 02 receives the power supply of POE equipment 03, third network interface interface R3 can be connected to
The secondary coil pin of network transformer T1.
Specifically, the first pin R3_1 of third network interface R3 and the second pin R3_2 is connected with each other, and with it is described
The 24th pin T1_24 of network transformer T1 is connected;
The third pin R3_3 and the 4th pin R3_4 of the third network interface R3 is connected with each other, and becomes with the network
The 21st pin T1_21 of depressor T1 is connected;
The 5th pin R3_5 and the 6th pin R3_6 of the third network interface R3 is connected with each other, and becomes with the network
The 18th pin T1_18 of depressor T1 is connected;
The 7th pin R3_7 and the 8th pin R3_8 of the third network interface R3 is connected with each other, and becomes with the network
The 15th pin T1_15 of depressor T1 is connected.
Wherein, the powering mode of POE is there are two types of powering mode, when 03 use pattern a pair of terminal device 02 of POE equipment into
When row power supply, power supply is exported by first, second and third, six pins of third network interface R3;When 03 use pattern two of POE equipment
When being powered to terminal device 02, power supply, third network are exported by fourth, fifth, seven, eight pins of third network interface R3
Eight pins of interface R3 are as defined above.
Specifically, referring to Fig. 8, in above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, with first
For road network transforming circuit 701, the first pin R3_1 and the second pin of the third network interface R3 of POE equipment 03 will be connected
R3_2 is connected with each other, and is connected to the 24th pin T1_24 (secondary coil pin) of network transformer T1, and connection terminal is set
The 20th three-prong T1_23 (secondary coil of the first pin R2_1 and network transformer T1 of standby 02 the second network interface R2
Pin) it is connected, the 22nd pin T1_22 of the second pin R2_2 and network transformer T1 of the second network interface R2 are (secondary
Coil pin) it is connected, since POE power supply is a kind of direct current supply mode, the electric current that the POE known to electromagnetic induction principle powers is not
It can be propagated between primary coil and secondary coil, and the electric current for the power supply that POE equipment 03 exports can pass through network transformer
The 24th pin T1_24 (secondary coil pin) of T1 flows into two secondary coils (SC1 and SC2), then by with first grade
The 20th three-prong T1_23 for the network transformer T1 that coil SC1 connects flows into the second network being connected with terminal device 02 and connects
The first pin R2_1 of mouth R2 is flowed by the 22nd pin T1_22 of the network transformer T1 to connect with second subprime coil SC2
Enter the second pin R2_2 for the second network interface R2 being connected with terminal device 02, similarly, other pipes of third network interface R3
Foot also uses same connection type so that POE equipment 03 can by third network interface R3, network transformer T1,
Second network interface R2 is powered terminal device 02.Simultaneously as primary coil and/or secondary coil are an inductance,
Therefore almost without generation power consumption when direct current passes through primary coil and/or secondary coil, therefore reduce power loss.
In conclusion above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, when the network communication is set
When standby 01 traffic rate is gigabit and gigabit or less, pass through the first network interface R1's that will be connected with network communication equipment 01
Eight pins are connected with eight primary coil pins of network transformer T1, the second network interface being connected with terminal device 02
The third net that eight pins of R2 are connected with eight secondary coil pins of network transformer T1, and will be connected with POE equipment 03
Eight pins of network interface R3 are connected with four secondary coil pins of network transformer T1, according to electromagnetic induction principle make for
The network signal of ac signal can be in transmitted in both directions in primary coil and secondary coil, so that network communication equipment 01 can be with
It is communicated with terminal device 02, and is that the POE supply current of direct current will not transmit in primary coil and secondary coil, and
Can by secondary coil flow into the second network interface R2 fourth, fifth, seven, eight pins, thus separated POE equipment 03 output to
Network transmission signal between the current signal and network communication equipment 01 and terminal device 02 of the POE power supply of terminal device 02,
While to realize that terminal device 02 is communicated with network communication equipment 01, the power supply of POE equipment 03 can be received, on the other hand,
The power as consumed by network transformer T1 is smaller, reduces power loss.
Optionally, in above-mentioned Power over Ethernet device 011 provided by the embodiment of the utility model, three networks are connect
Remaining each pin for not connecting any equipment of mouth and network transformer T1 may be at floating;Certainly, remaining each pipe
Foot can also be connected with reserved connectivity port, for carrying out signal transmission with external circuit, it is not limited here.
Correspondingly, as shown in Figure 3, Figure 4, the utility model embodiment provides a kind of Power over Ethernet system, including above-mentioned
Any the Power over Ethernet device 011 and POE equipment 03 can also include terminal device 02 and network communication equipment 01.
In conclusion above-mentioned Power over Ethernet device provided by the embodiment of the utility model, by the way that network communication will be connected
The first network interface of equipment is connected directly with the second network interface for connecting terminal device, to carry out network communication, and will be even
The third network interface and the second network interface for connecing POE equipment are connected directly, to carry out POE power supply, or, by by three networks
Interface is connected with network transformer, to realize while terminal device is communicated with network communication equipment, can receive
The power supply of POE equipment, simultaneously as power consumed by network transformer or three network interfaces is smaller, to reduce power
Loss.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of Power over Ethernet device, which is characterized in that the device includes:
First network interface connects network communication equipment;
Second network interface connects terminal device;
Third network interface connects Power over Ethernet POE equipment;
Wherein, it is connected directly by the first network interface and second network interface, second network interface and institute
It states third network interface to be connected directly, while communicating terminal device with network communication equipment, the confession of POE equipment can be received
Electricity;
Or, the device further includes being connected respectively with the first network interface, the second network interface and third network interface
Network transformer while communicating terminal device with network communication equipment, can receive the power supply of POE equipment.
2. device as described in claim 1, which is characterized in that when the traffic rate of the network communication equipment is 100,000,000 and hundred
It when million or less, is connected directly by the first network interface and second network interface, second network interface and institute
It states third network interface to be connected directly, while communicating terminal device with network communication equipment, the confession of POE equipment can be received
Electricity.
3. device as claimed in claim 2, which is characterized in that the first network interface, the second network interface respectively include
Eight pins;
The first network interface is connected directly with second network interface, is specifically included:
First pin of the first network interface is connected with the first pin of second network interface;
Second pin of the first network interface is connected with the second pin of second network interface;
The third pin of the first network interface is connected with the third pin of second network interface;
6th pin of the first network interface is connected with the 6th pin of second network interface.
4. device as claimed in claim 3, which is characterized in that the third network interface includes eight pins;
Second network interface is connected directly with the third network interface, is specifically included:
The first pin, the second pin, the 4th pin and the 5th pin of the third network interface are connected with each other, and with described
4th pin of two network interfaces and the 5th pin are connected;
Third pin, the 6th pin, the 7th pin and the 8th pin of the third network interface are connected with each other, and with described
7th pin of two network interfaces and the 8th pin are connected.
5. device as described in claim 1, which is characterized in that when the traffic rate of the network communication equipment is gigabit and thousand
When million or less, which further includes being connected respectively with the first network interface, the second network interface and third network interface
Network transformer, while communicating terminal device with network communication equipment, can receive POE equipment power supply.
6. device as claimed in claim 5, which is characterized in that the first network interface includes eight pins;
The network transformer includes 24 pins;Wherein, the first pin of the network transformer~the 12nd pin
For primary coil pin, the tenth three-prong~the 24th pin is secondary coil pin;
Wherein, the first pin of the first network interface is connected with the second pin of the network transformer;
Second pin of the first network interface is connected with the third pin of the network transformer;
The third pin of the first network interface is connected with the 5th pin of the network transformer;
4th pin of shown first network interface is connected with the 6th pin of the network transformer;
5th pin of the first network interface is connected with the 8th pin of the network transformer;
6th pin of the first network interface is connected with the 9th pin of the network transformer;
7th pin of the first network interface is connected with the 11st pin of the network transformer;
8th pin of the first network interface is connected with the 12nd pin of the network transformer.
7. device as claimed in claim 6, which is characterized in that second network interface includes eight pins;
Wherein, the first pin of second network interface is connected with the 20th three-prong of the network transformer;
Second pin of second network interface is connected with the 22nd pin of the network transformer;
The third pin of second network interface is connected with the 20th pin of the network transformer;
4th pin of second network interface is connected with the 19th pin of the network transformer;
5th pin of second network interface is connected with the 17th pin of the network transformer;
6th pin of second network interface is connected with the 16th pin of the network transformer;
7th pin of second network interface is connected with the 14th pin of the network transformer;
8th pin of second network interface is connected with the tenth three-prong of the network transformer.
8. device as claimed in claim 6, which is characterized in that the third network interface includes eight pins;
Wherein, the first pin of the third network interface is connected with each other with the second pin, and with the network transformer
24 pins are connected;
The third pin of the third network interface is connected with each other with the 4th pin, and the with the network transformer the 21st
Pin is connected;
5th pin of the third network interface is connected with each other with the 6th pin, and the 18th pipe with the network transformer
Foot is connected;
7th pin of the third network interface is connected with each other with the 8th pin, and the 15th pipe with the network transformer
Foot is connected.
9. device as described in claim 1, which is characterized in that the first network interface, the second network interface and third
Network interface is RJ45 network interface.
10. a kind of Power over Ethernet system, which is characterized in that filled including Power over Ethernet according to any one of claims 1 to 9
It sets and POE equipment.
Priority Applications (1)
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CN201820508200.1U CN208128265U (en) | 2018-04-11 | 2018-04-11 | A kind of Power over Ethernet apparatus and system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820508200.1U CN208128265U (en) | 2018-04-11 | 2018-04-11 | A kind of Power over Ethernet apparatus and system |
Publications (1)
Publication Number | Publication Date |
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CN208128265U true CN208128265U (en) | 2018-11-20 |
Family
ID=64191077
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CN201820508200.1U Expired - Fee Related CN208128265U (en) | 2018-04-11 | 2018-04-11 | A kind of Power over Ethernet apparatus and system |
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CN (1) | CN208128265U (en) |
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2018
- 2018-04-11 CN CN201820508200.1U patent/CN208128265U/en not_active Expired - Fee Related
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