CN209627384U - A kind of system for realizing remote POE transmission - Google Patents
A kind of system for realizing remote POE transmission Download PDFInfo
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- CN209627384U CN209627384U CN201920584643.3U CN201920584643U CN209627384U CN 209627384 U CN209627384 U CN 209627384U CN 201920584643 U CN201920584643 U CN 201920584643U CN 209627384 U CN209627384 U CN 209627384U
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Abstract
The utility model relates to POE transmission technique field, a kind of system for realizing remote POE transmission is referred in particular to, the method includes the steps a:PSE equipment to send the reference clock signal of PSE device to PD equipment；Step b:PD equipment compares reference itself clock signal with the clock signal received, obtains comparing result；Step c: according to comparing result, PSE device be delayed and send data or PD equipment with the clock signal after delay to the reference clock signal of itself carrying out delay to the reference clock signal of itself and with the clock signal reception data after delay.It is synchronous that the utility model enables PSE device be able to maintain with PD equipment, thus generation the case where prevent packet loss.
Description
Technical field
The utility model relates to POE transmission technique field, refer in particular to a kind of be for realizing remote POE transmission
System.
Background technique
Existing PSE device and the transmission range of PD equipment room only have 100 meters, when the distance of PSE device and PD equipment room
It, will there is a situation where data packetloss when more than 100 meters.When this causes user to establish new Ethernet system, it is necessary in advance
Consider the placement location of PD equipment, in order to avoid the hypertelorism of PSE device and PD equipment room.
Summary of the invention
The utility model provides a kind of system for realizing remote POE transmission for problem of the prior art, can
The case where preventing data packetloss generation.
The utility model adopts the following technical solution: a kind of system for realizing the above method, including PSE device and PD
Equipment, PSE device include ethernet switching module U1, first for caching the data-signal that ethernet switching module U1 is exported
Data storage module U11 and for the first data storage module U11 provide reference clock signal the first clock module Y5；
PD equipment includes Ethernet receiving module U5, the second data storage module U4 and is used to provide to the second data storage module U4
Second clock the module Y1, Ethernet receiving module U5 of reference clock signal are used to receive the second data storage module U4 output
Data-signal；The first data storage module U11 is equipped with clock transmission unit, the first clock delay unit and data and sends
Unit, the second data storage module U4 are equipped with clock comparison unit, second clock delay unit and data receipt unit,
Data transmission unit is used to for the data-signal in the first data storage module U11 being sent to data receipt unit, and clock is sent
The clock that unit is used to for the reference clock signal of the first data storage module U11 being sent to the second data storage module U4 compares
Unit, clock comparison unit are used to believe the reference clock of received reference clock signal and the second data storage module U4
It number compares and comparing result is sent to the first clock delay unit and second clock delay unit, when clock comparison unit
When the reference clock signal frequency received is higher than the reference clock signal frequency of the second data storage module U4, the first clock prolongs
Shi Danyuan is delayed to the clock signal of data transmission unit, when the reference clock signal frequency that clock comparison unit receives
When reference clock lower than the second data storage module U4, second clock delay unit to the clock signal of data receipt unit into
Line delay.
Preferably, the first data storage module U11 is additionally provided with low pressure difference linear voltage regulator, data transmission unit is logical
It crosses low pressure difference linear voltage regulator and the data-signal in the first data storage module U11 is sent to data receipt unit.
Preferably, the PSE device further includes voltage transformation module U9, external power supply by voltage transformation module U9 to
Ethernet switching module U1 power supply.
Preferably, the PSE device further includes Power over Ethernet module U10 and first network transformer X1, the PD
Equipment further includes the second network transformer X10, and Power over Ethernet module U10 is used for the electric power signal of external power supply
Reason, first network transformer X1 are used for electric power signal that Power over Ethernet module U10 is exported to be transmitted to the second network transformation
Data-signal in device X10, the first data storage module U11 passes sequentially through first network transformer X1 and the second network transformer
Enter the second data storage module U4 after X10.
Preferably, the PD equipment further includes rectifier module D 13, rectifier module D 13 is used for the second network transformer
The electric power signal of X10 output is rectified.
Preferably, the PD equipment further includes current-sharing module U2, what current-sharing module U2 was used to export rectifier module D 13
Electric power signal is flowed
The utility model has the beneficial effects that long distance transmission will lead to clock and PD used in PSE device transmission data
Clock used in equipment reception data is asynchronous, and the clock when clock when PSE device transmission is received from PD equipment is different
When step, clock signal used in data is sent to PSE device or PD equipment receives clock signal used in data and is delayed, from
And enable PSE device synchronous with the holding of PD equipment, and then generation the case where prevent packet loss.
Detailed description of the invention
Fig. 1 is the circuit diagram of the ethernet switching module U1 of the utility model.
Fig. 2 is the circuit diagram of the first data storage module U11 of the utility model.
Fig. 3 is the circuit diagram of the first clock module Y5 of the utility model.
Fig. 4 is the circuit diagram of the too net receiving module U5 of the utility model.
Fig. 5 is the circuit diagram of the second data storage module U4 of the utility model.
Fig. 6 is the circuit diagram of the second clock module Y1 of the utility model.
Fig. 7 is the circuit diagram of the voltage transformation module U9 of the utility model.
Fig. 8 is the circuit diagram of the too net power supply module U10 of the utility model.
Fig. 9 is the circuit diagram of the first network transformer X1 of the utility model.
Figure 10 is the peripheral circuit diagram of the first network transformer X1 of the utility model.
Figure 11 is the circuit diagram of the second network transformer X10 of the utility model.
Figure 12 is the peripheral circuit diagram of the second network transformer X10 of the utility model.
Figure 13 is the circuit diagram of the rectifier module D 13 of the utility model.
Figure 14 is the circuit diagram of the current-sharing module U2 of the utility model.
Figure 15 is first data storage module of the utility model and the functional block diagram of the second data storage module.
Appended drawing reference are as follows: 1, clock transmission unit；2, the first clock delay unit；3, data transmission unit；4, clock pair
Compare unit；5, second clock delay unit；6, data receipt unit；7, low pressure difference linear voltage regulator.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.The utility model is carried out below in conjunction with attached drawing
Detailed description.
As shown in Fig. 1 to Fig. 6 and Figure 15, it is a kind of for realizing remote POE transmission system, including PSE device and
PD equipment, PSE device include ethernet switching module U1, data-signal for caching ethernet switching module U1 output the
One data storage module U11 and for the first data storage module U11 provide reference clock signal the first clock module
Y5；PD equipment includes Ethernet receiving module U5, the second data storage module U4 and is used for the second data storage module U4
Second clock the module Y1, Ethernet receiving module U5 for providing reference clock signal are defeated for receiving the second data storage module U4
Data-signal out；The first data storage module U11 is equipped with clock transmission unit 1, the first clock delay unit 2 and number
According to transmission unit 3, the second data storage module U4 is equipped with clock comparison unit 4, second clock delay unit 5 and data
Receiving unit 6, data transmission unit 3 are used to the data-signal in the first data storage module U11 being sent to data receiver list
Member 6, clock transmission unit 1 are used to the reference clock signal of the first data storage module U11 being sent to the second data storage mould
The clock comparison unit 4 of block U4, clock comparison unit 4 are used for received reference clock signal and the second data storage mould
The reference clock signal of block U4 compares and comparing result is sent to the first clock delay unit 2 and second clock delay list
Member 5, when reference clock of the reference clock signal frequency that clock comparison unit 4 receives higher than the second data storage module U4 is believed
When number frequency, the first clock delay unit 2 is delayed to the clock signal of data transmission unit 3, when clock comparison unit 4 connects
When the reference clock signal frequency received is lower than the reference clock signal frequency of the second data storage module U4, second clock delay
Unit 5 is delayed to the clock signal of data receipt unit 6.
When long distance transmission, the unstable factor in route increases, and the timing of the data after route is often partially
From the timing by the data before route.In the present embodiment, reference clock signal that the clock comparison unit 4 of PD equipment receives
For clock signal of the reference clock signal in PSE device after deviateing.The reference clock letter that clock comparison unit 4 is received
It number is compared with the reference clock signal of PD equipment, the timing and PD equipment that PD equipment reference clock signal can be obtained receive
Deviation between the timing of the data-signal arrived.After must deviating, result is fed back to PSE device by clock comparison unit 4, when PD is set
When the clock signal frequency that standby clock comparison unit 4 receives is higher than the reference clock signal of PD equipment itself, show that data pass through
After line transmission, the transmission speed of data is faster than the reception speed of PD equipment, and the first clock delay unit 2 sets PSE at this time
Standby reference clock is delayed and second clock delay unit 5 is not delayed to the reference clock of PD equipment, and data are sent
Unit 3 sends data-signal with the clock signal after delay, is equivalent to the transmission speed for slowing down data, so that the transmission speed of data
Degree can receive speed sync with the data receipt unit 6 of PD equipment.When the clock letter that the clock comparison unit 4 of PD equipment receives
When number frequency is lower than the reference clock signal of PD equipment itself, after showing data via line transmission, the transmission speed of data is slow
In the reception speed of the data receipt unit 6 of PD equipment, second clock delay unit 5 carries out the reference clock of PD equipment at this time
It is delayed and the first clock delay unit 2 is not delayed to the reference clock of PSE device, after the delay of data receipt unit 6
Clock signal receives data-signal, the speed for slowing down the reception data of data receipt unit 6 of PD equipment is equivalent to, so that number
According to transmission speed can with the data receipt unit 6 of PD equipment receive speed sync.
As shown in figure 15, the first data storage module U11 is additionally provided with low pressure difference linear voltage regulator 7, and data send single
Data-signal in first data storage module U11 is sent to data receipt unit 6 by low pressure difference linear voltage regulator 7 by member 3,
The case where reducing the pressure drop in transmission process using low pressure difference linear voltage regulator 7, further prevent data packetloss generation.
As shown in fig. 7, the PSE device further includes voltage transformation module U9, external power supply passes through voltage transformation module U9
It powers to ethernet switching module U1, external power supply is enabled to be adapted to too net Switching Module.
As shown in Fig. 8 to Figure 12, the PSE device further includes Power over Ethernet module U10 and first network transformer X1,
The PD equipment further includes the second network transformer X10, Power over Ethernet module U10 be used for the electric power signal of external power supply into
Row processing, first network transformer X1 are used for electric power signal that Power over Ethernet module U10 is exported to be transmitted to the second network
Data-signal in transformer X10, the first data storage module U11 passes sequentially through first network transformer X1 and the second network becomes
Enter the second data storage module U4 after depressor X10.The electric power that first network transformer X1 exports Power over Ethernet module U10
Signal and the data-signal of ethernet switching module U1 output are integrated, to utilize cable simultaneous transmission electric power signal sum number
It is believed that number.Electric power signal and data-signal, which reach PD equipment, to be had, and the second network transformer X10 can be respectively by electric power signal and data
Signal output, to realize the separation of electric power signal and data-signal.
As shown in figure 13, the PD equipment further includes rectifier module D 13, and rectifier module D 13 is used for the second network transformation
The electric power signal of device X10 output is rectified, and later follow-up equipment uses.
As shown in figure 14, the PD equipment further includes current-sharing module U2, and current-sharing module U2 is used to export rectifier module D 13
Electric power signal flowed, when it is subsequent there is multiple equipment to need to be powered when, flowed using current-sharing module U2, guarantee
Each road output is balanced.
The above is only the utility model preferred embodiment, is not made in any form to the utility model
Limitation, although the utility model is disclosed as above with preferred embodiment, is not intended to limit the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, makes when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, but it is all without departing from the content of the technical scheme of the utility model, foundation
The utility model technology refers to any simple modification, equivalent change and modification to the above embodiments, belongs to practical
In the range of new technique scheme.
Claims (6)
1. a kind of system for realizing remote POE transmission, it is characterised in that: including PSE device and PD equipment, PSE device
First data storage module of the data-signal including ethernet switching module U1, for caching ethernet switching module U1 output
U11 and for the first data storage module U11 provide reference clock signal the first clock module Y5；
PD equipment includes Ethernet receiving module U5, the second data storage module U4 and is used for the second data storage module U4
Second clock the module Y1, Ethernet receiving module U5 for providing reference clock signal are defeated for receiving the second data storage module U4
Data-signal out；The first data storage module U11 be equipped with clock transmission unit (1), the first clock delay unit (2) with
And data transmission unit (3), the second data storage module U4 are equipped with clock comparison unit (4), second clock delay unit
(5) and data receipt unit (6), data transmission unit (3) are used to send out the data-signal in the first data storage module U11
It send to data receipt unit (6), clock transmission unit (1) is used to send out the reference clock signal of the first data storage module U11
It send to the clock comparison unit (4) of the second data storage module U4, when clock comparison unit (4) is used for received benchmark
The reference clock signal of clock signal and the second data storage module U4, which compare and comparing result are sent to the first clock, to be prolonged
Shi Danyuan (2) and second clock delay unit (5), when the reference clock signal frequency that clock comparison unit (4) receives is higher than
When the reference clock signal frequency of the second data storage module U4, the first clock delay unit (2) is to data transmission unit (3)
Clock signal is delayed, when the reference clock signal frequency that clock comparison unit (4) receives is lower than the second data storage mould
When the reference clock signal frequency of block U4, second clock delay unit (5) prolongs the clock signal of data receipt unit (6)
When.
2. a kind of system for realizing remote POE transmission according to claim 1, it is characterised in that: described first
Data storage module U11 is additionally provided with low pressure difference linear voltage regulator (7), and data transmission unit (3) passes through low pressure difference linear voltage regulator
(7) data-signal in the first data storage module U11 is sent to data receipt unit (6).
3. a kind of system for realizing remote POE transmission according to claim 1, it is characterised in that: the PSE is set
Standby further includes voltage transformation module U9, and external power supply is powered by voltage transformation module U9 to ethernet switching module U1.
4. a kind of system for realizing remote POE transmission according to claim 1, it is characterised in that: the PSE is set
Standby further includes Power over Ethernet module U10 and first network transformer X1, and the PD equipment further includes the second network transformer
For handling the electric power signal of external power supply, first network transformer X1 is used for will by X10, Power over Ethernet module U10
The electric power signal of Power over Ethernet module U10 output is to be transmitted to the second network transformer X10, the first data storage module U11
In data-signal pass sequentially through and enter the second data storage module after first network transformer X1 and the second network transformer X10
U4。
5. a kind of system for realizing remote POE transmission according to claim 4, it is characterised in that: the PD is set
Standby further includes rectifier module D 13, and rectifier module D 13 is for rectifying the second network transformer X10 electric power signal exported.
6. a kind of system for realizing remote POE transmission according to claim 5, it is characterised in that: the PD is set
Standby further includes current-sharing module U2, and the electric power signal that current-sharing module U2 is used to export rectifier module D 13 is flowed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920584643.3U CN209627384U (en) | 2019-04-25 | 2019-04-25 | A kind of system for realizing remote POE transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920584643.3U CN209627384U (en) | 2019-04-25 | 2019-04-25 | A kind of system for realizing remote POE transmission |
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| Publication Number | Publication Date |
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| CN209627384U true CN209627384U (en) | 2019-11-12 |
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ID=68459084
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920584643.3U Active CN209627384U (en) | 2019-04-25 | 2019-04-25 | A kind of system for realizing remote POE transmission |
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| CN (1) | CN209627384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061796A (en) * | 2019-04-25 | 2019-07-26 | 广东优力普物联科技有限公司 | A kind of method and system for realizing remote POE transmission |
| CN110061796B (en) * | 2019-04-25 | 2024-05-14 | 广东优力普物联科技有限公司 | Method and system for realizing remote POE transmission |
-
2019
- 2019-04-25 CN CN201920584643.3U patent/CN209627384U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061796A (en) * | 2019-04-25 | 2019-07-26 | 广东优力普物联科技有限公司 | A kind of method and system for realizing remote POE transmission |
| CN110061796B (en) * | 2019-04-25 | 2024-05-14 | 广东优力普物联科技有限公司 | Method and system for realizing remote POE transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: System for realizing long-distance POE transmission Effective date of registration: 20200515 Granted publication date: 20191112 Pledgee: China Everbright Bank Limited by Share Ltd. Dongguan branch Pledgor: GUANGDONG UNIPOE IOT TECHNOLOGY Co.,Ltd. Registration number: Y2020980002257 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220805 Granted publication date: 20191112 Pledgee: China Everbright Bank Limited by Share Ltd. Dongguan branch Pledgor: GUANGDONG UNIPOE IOT TECHNOLOGY Co.,Ltd. Registration number: Y2020980002257 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |