CN208477322U - POE network interface expanded circuit, repeater and network monitoring system - Google Patents
POE network interface expanded circuit, repeater and network monitoring system Download PDFInfo
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- CN208477322U CN208477322U CN201821005086.7U CN201821005086U CN208477322U CN 208477322 U CN208477322 U CN 208477322U CN 201821005086 U CN201821005086 U CN 201821005086U CN 208477322 U CN208477322 U CN 208477322U
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Abstract
The utility model belongs to Ethernet communication technology field, provides a kind of POE network interface expanded circuit, POE repeater and POE network monitoring system；The POE network interface expanded circuit includes: signal input port, signal conversion module, signal management module, signal transmission module and signal output module, wherein signal input port accesses POE signal；POE signal is converted to electric power signal and network signal by signal conversion module；Signal management module is managed control to electric power signal, and is managed control to network signal according to multi-channel network rate configuration signal；Signal output module is powered on according to electric power signal realization, and realizes network rate configuration according to network signal；Due to including multiple signal output ports in signal output module, it can solve the problem of in traditional technology that POE network interface circuit can not output multi-channel signal of communication, flexibility simultaneously be low and its narrow scope of application by the utility model.
Description
Technical field
The utility model belongs to Ethernet communication technology field more particularly to a kind of POE network interface expanded circuit, POE
Repeater and POE network monitoring system.
Background technique
The quality and rate transmitted in a network with the fast development that modern network communicates, technical staff for data are wanted
Ask also higher and higher, POE (Power Over Ethernet, Power over Ethernet) be used as a kind of local area network power supply system, by with
Too net transmission technology can be realized the quick transmission of data between terminal devices, and POE Transmission system utilizes ether network mark
Quasi- agreement substantially increases the compatibility between Ethernet Transmission system and terminal device；Based on above-mentioned Ethernet Transmission system
Many merits, POE Transmission system is widely used in network communication technology field, and brings to user good
Good usage experience sense.
In POE Transmission system, need to realize by POE network interface circuit between signal terminal and mobile device
The transmission of signal of communication, but POE network interface circuit has only included an input terminal and an output end in traditional technology, it should
POE network interface can only use the signal transfer mode of single-input single-output；If needing to drive simultaneously in actual application
When multiple mobile devices work, then in traditional technology POE Transmission system can only by increase multiple POE network interface circuits come
Simultaneous transmission multichannel communication multiple telecommunication signal；Therefore POE network interface circuit can not be compatible with output multi-channel communication letter simultaneously in traditional technology
Number, flexibility is extremely low, and then leads in signals transmission that wiring cost is higher, can not generally use.
Utility model content
The utility model provides a kind of POE network interface expanded circuit, POE repeater and POE network monitoring system, it is intended to
Solving POE network interface circuit in traditional technology, can not to be compatible with output multi-channel signal of communication, flexibility simultaneously low, and then leads to letter
The wiring of number Transmission system is excessively complicated, can not blanket problem.
The utility model first aspect provides a kind of POE network interface expanded circuit, comprising:
Access the signal input port of POE signal；
It is connect with the signal input port, the signal that the POE signal is converted to electric power signal and network signal is turned
Change the mold block；
It is connect with the signal conversion module, control is managed to the electric power signal, according to N road network rate configuration
Signal is managed the signal management module of control to the network signal；
It is connect with the signal management module, transmits the signal transmission module of the electric power signal and the network signal；
And
It is connect with the signal transmission module, is powered on according to electric power signal realization, realized according to the network signal
The signal output module of network rate configuration；
Wherein, the signal output module includes N number of signal output port, and the N is just whole more than or equal to 2
Number.
In one of them embodiment, the signal input port is the port RJ45, and the signal output port is
The port RJ45.
In one of them embodiment, the signal conversion module includes a network transformer.
In one of them embodiment, the signal transmission module includes N number of network transformer, wherein described in each
Network transformer connects one to one with signal output port described in each.
In one of them embodiment, the signal management module includes:
It is connect with the signal conversion module, the detection classification for being configured to be managed the electric power signal control is single
Member；With
It connect with the signal conversion module, the network signal is carried out according to the N road network rate configuration signal
Manage the network data management unit of control.
In one of them embodiment, the detection stage unit includes:
It is connect with the signal conversion module, the rectifier bridge that the polarity of voltage of the electric power signal is configured；With
It is connect with the rectifier bridge, it then follows IEEE802.3af agreement or IEEE802.3at agreement are to the electric power signal
The logic control circuit for being detected, being classified and being powered on.
In one of them embodiment, the network data management unit includes:
It connect with the signal conversion module, the network signal is carried out according to the N road network rate configuration signal
The conversion chip of management and distribution；
Wherein, the conversion chip includes:
It is connect with the signal conversion module, accesses the signal of communication input pin of the network signal；
It is connect with the signal transmission module, exports the signal of communication output pin of the network signal, and
Access the configuration signal input tube foot of the network rate configuration signal.
In one of them embodiment, the network data management unit further include:
Generate the rate selection module of the road N selection signal；With
It is connected between the rate selection module and the configuration signal input tube foot, according to the road N selection signal
Generate the memory module of the N road network rate configuration signal；
Wherein, the rate selection module includes N number of toggle switch, and the memory module includes N number of EEPROM, each
The toggle switch connects one to one with EEPROM described in each.
The utility model second aspect provides a kind of POE repeater, including POE network interface as described above extension electricity
Road.
The utility model third aspect provides a kind of POE network monitoring system, comprising: POE interchanger, multiple POE networks
Video camera and POE repeater as described above, the POE interchanger connect the POE network shooting by the POE repeater
Machine；
Wherein, POE network video signal is passed through the POE repeater transmission to the multiple POE by the POE interchanger
Web camera, the POE web camera carry out video according to the POE network video signal and show.
In above-mentioned POE network interface expanded circuit, signal input port accesses POE signal, and signal conversion module is by POE
Signal is converted to electric power signal and network signal, after signal management module is managed control to electric power signal and network signal,
It is exported by signal transmission module to signal output module；Since signal output module includes multiple signal output ports, wherein
Power on operation can be carried out to signal output port by electric power signal to pass through to realize multiple signal output ports while charge
Multi-channel network rate configuration signal can the network rate respectively to multiple signal output ports configure, multiple signals at this time
Output port and extraneous terminal device realize communication connection, and POE network interface expanded circuit can be simultaneously by multichannel communication multiple telecommunication
Signal is transmitted to extraneous terminal device, compatible extremely strong, scalability with higher；Therefore the POE network in the utility model
Interface can be compatible with output multi-channel signal of communication simultaneously, and flexibility is high, greatly simplifie the circuit structure of signal transmission system,
Adaptation range is extremely wide, and output multi-channel communication letter can not be compatible with simultaneously by efficiently solving POE network interface electric current in traditional technology
Number, compatibility is low, and then the problem for causing the wiring of signal transmission system excessively complicated.
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 described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, for those skilled in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of function structure chart of POE network interface expanded circuit provided by the embodiment of the utility model；
Fig. 2 is the function structure chart of another kind POE network interface expanded circuit provided by the embodiment of the utility model；
Fig. 3 is a kind of function structure chart for detecting stage unit provided by the embodiment of the utility model；
Fig. 4 is a kind of circuit structure diagram of rectifier bridge provided by the embodiment of the utility model；
Fig. 5 is a kind of circuit structure diagram of logic control circuit provided by the embodiment of the utility model；
Fig. 6 is the mount structure figure of RTL8309N provided by the embodiment of the utility model a kind of；
Fig. 7 is the function structure chart of another kind POE network interface expanded circuit provided by the embodiment of the utility model；
Fig. 8 is a kind of function structure chart of POE repeater provided by the embodiment of the utility model；
Fig. 9 is a kind of function structure chart of POE network monitoring system provided by the embodiment of the utility model；
Figure 10 is a kind of function structure chart of POE system provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the modular structure of POE network interface expanded circuit 10 provided by the embodiment of the utility model, in order to just
In explanation, part relevant to the utility model embodiment is illustrated only, details are as follows:
As shown in Figure 1, POE network interface expanded circuit 10 includes signal input port 101, signal conversion module 102, letter
Number management module 103, signal transmission module 104 and signal output module 105；Wherein, signal input port 101 accesses POE
Signal；Wherein POE signal meets Ethernet transport protocol, and POE signal includes: communication data, interface configuration and audio-video number
According to etc. information, and then the functions such as data communication can be realized by POE signal；Signal conversion module 102 and signal input port 101
Connection, when POE signal is transmitted to signal conversion module 102 by signal input port 101, signal conversion module 102 believes POE
Number electric power signal and network signal are converted to, since signal conversion module 102 there is power and energy and signal to distribute signal
Function, therefore POE signal is converted to two kinds of signals with different circuit functions by signal conversion module 102: electric power signal and
Network signal, electric power signal and network signal can realize the circuit function of Various Complex in POE network interface expanded circuit 10
Can, the POE network interface extension 10 facilitated in the utility model embodiment can be realized the output of multichannel communication multiple telecommunication signal compatibility
Function.
Signal conversion module 102 is connect with signal management module 103, and signal conversion module 102 is by electric power signal and network
Signal is transmitted to signal management module 103, and signal management module 103 is managed control, signal management module to electric power signal
103 are managed control to network signal according to N road network rate configuration signal；Specifically, in signal conversion module 102,
It can be increased the electricity characteristic of electric power signal, and then 103 institute of signal management module by being managed control for electric power signal
The electric power signal of output has stronger upper Electricity Functional, to drive corresponding electric power component to act；Wherein network rate configures
Signal is used for regulating networks transmission rate, when signal management module 103 accesses N road network rate configuration signal, signal management mould
After block 103 is managed control to network signal according to N road network rate configuration signal, which includes network rate
Configuration information, and then the transmission rate of signal can be adjusted by the network signal, thus 103 energy of signal management module
Enough signal output speeds for adjusting POE network interface expanded circuit 10 according to actual needs, to be useful in different POE transmission systems
In system, practicability is extremely strong.
Signal transmission module 104 is connect with signal management module 103, and signal transmission module 104 can be realized different circuits
Signal transmitting between module, therefore that electric power signal and network signal be rapidly transmitted to signal is defeated for signal transmission module 104
Module 105 out, and pass through signal output module 1051 and can guarantee the quality of electric power signal and network signal, it avoids generating signal
Distortion, enables signals to rapidly be transmitted in POE network interface expanded circuit 10, further simplifies its circuit structure；
Signal output module 105 is connect with signal transmission module 104, and signal transmission module 104 transmits electric power signal and network signal
To signal output module 105, signal output module 105 realizes that itself is powered on according to electric power signal, and signal output module 105
The network rate configuration of itself is realized according to network signal, and then when signal output module 105 is by power on operation and network speed
After rate configuration operation, multichannel communication multiple telecommunication signal can be transmitted to extraneous terminal device by signal output module 105, and then be realized
Communication between POE network interface expanded circuit 10 and extraneous terminal device interconnects.
Wherein, signal output module 105 includes N number of signal output port, since each signal output port can be defeated
Signal of communication all the way out, after being powered on according to electric power signal to each signal output port, N number of signal output port is simultaneously
Electrification, and N number of signal output port carries out network rate configuration according to network signal, for example, the network of signal output port
Rate is arranged to 10MB or 100MB；Then N number of signal output port can be communicated with specific network rate output multi-channel and be believed
Number, so that POE network interface expanded circuit 10 realizes the signal transmission function of single input and multi-output in the utility model embodiment
Can, flexibility is high.
It should be noted that the POE network interface expanded circuit 10 in the utility model embodiment, signal management module
After 103 are managed control to network signal according to N road network rate configuration signal, N number of letter is controlled respectively by network signal
The network rate of number output port, thus, can be to the net of N number of signal output port by N road network rate configuration signal
Network rate is indirectly controlled, specifically, each road network rate configuration signal respectively corresponds one signal output port of control
Network rate, then each signal output port can be according to each road network rate configuration in N number of signal output port
Signal can be configured to different network rates, such as the module knot of the POE network interface expanded circuit 10 in conjunction with shown in attached drawing 1
Structure, in N number of signal output port, first signal output port 1051 can configure signal according to first via network rate will be certainly
The network rate of body is configured to 10MB, second signal output port 1052 according to the second road network rate configuration signal by itself
Network rate be configured to 100MB, and so on, so that N number of signal be exported indirectly by N road network rate configuration signal
Port is configured to different network rates, and signal output module 105 is with the compatible output road the N signal of communication of different network rates；
Therefore POE network interface expanded circuit 10 can communicate interconnection with different types of extraneous terminal device realization, and can basis
Actual needs sets the network rate of each signal output port, and then N number of signal output port can be with different networks
Rate-compatible exports the road N signal of communication, expansible strong, can be widely applicable in different types of signal transmission system.
It should be noted that the N is the positive integer more than or equal to 2, those skilled in the art can arbitrarily shift to an earlier date
The specific value of N is set, for example, N=2 or N=3 etc..
In the utility model embodiment, POE signal, signal conversion module 102 can access by signal input port 101
POE signal is converted into electric power signal and network signal, further, when signal management module 103 carries out pipe to electric power signal
After reason controls, and signal management module 103 is managed control to network signal according to N road network rate configuration signal, lead to
The power on operation of N number of signal output port can be realized by crossing the electric power signal, and it is defeated that N number of signal can be respectively configured by network signal
The network rate of exit port, then N number of signal output port can be with the compatible output road the N communication letter of different network transmission speeds
Number, flexibility is higher；Therefore POE network interface expanded circuit 10 realizes " an input multi output " in the utility model embodiment
Signal transfer functions, simplify the wire structures of circuit, reduce the practical application cost of circuit；And it is exported in above-mentioned signal
In module 105, the number of signal output port can be according to needing to be configured, then POE network interface expanded circuit 10 is exportable
The signal of communication of different numbers, flexibility with higher, scalability is extremely strong, and the scope of application is wider；Efficiently solve biography
POE network interface circuit only includes an output end in system technology, can only realize the signal transfer functions of " one output of an input ",
Compatible type and flexibility are all relatively low, so cause the wire structures of signal transmission system it is excessively complicated, can not be blanket
Problem.
As a preferred embodiment, in above-mentioned POE network interface expanded circuit 10, signal input port 101
For the port RJ45, signal output port 1051,1052 ... 105N-1,105N are the port RJ45；It should be noted that the port RJ45
It can be interconnected from different extraneous communication cables, network transmission speed can also be configured according to control signal, anti-interference
Ability is stronger, and manufacturing cost is lower, therefore the port RJ45 can be realized preferable signal conversion and transmission in ethernet networks
Function；It should be noted that not constituted special to the utility model technology since this is only one of embodiment
The restriction of sign, in addition to this, signal input port 101 and signal output port 1051,1052 ... 105N-1,105N can also be
Other communication interfaces, such as RS485 interface and RS232 interface.
As an alternative embodiment, signal conversion module 102 includes a network transformer, specifically, network becomes
Depressor has signal transmission, impedance matching, waveform reparation, signal noise inhibition and high-voltage isolating in signal transmission system
The effects of, therefore POE signal can be converted to by electric power signal and network signal by network transformer, to realize semiotic function
The effect of conversion.
As a kind of specific embodiment, Fig. 2 shows POE network interface provided by the embodiment of the utility model extensions
Another modular structure of circuit 10, as shown in Fig. 2, signal transmission module 104 include N number of network transformer, wherein each
Network transformer connects one to one with each signal output port；Specifically, working as signal in signal transmission module 104
Electric power signal and network signal are transmitted to signal transmission module 104 by management module 103, since each network transformer is distinguished
It is correspondingly connected with each signal output port, for example, first network transformer 1041 and first signal output port
1051 connections, second network transformer 1042 are connect with second signal output port 1052, and so on, and then each
Electric power signal and network signal are transmitted in a signal output port by network transformer respectively, to export to each signal
Port carries out network rate configuration operation and power on operation, and compatibility is stronger.
As shown in Fig. 2, signal management module 103 includes detecting stage unit 1031 and network data management unit 1032,
Wherein detection stage unit 1031 is connect with signal conversion module 102, and electric power signal is transmitted to detection by signal conversion module 102
Stage unit 1031, detection stage unit 1031 are managed control to electric power signal, electric power signal are made to have upper Electricity Functional, into
And multiple signal output ports in signal output module 105 can be made to realize power on operation by electric power signal；Network data management
Unit 1032 is connect with signal conversion module 102, and network signal is transmitted to network data management unit by signal conversion module 102
1032, network data management unit 1032 is managed control to network signal according to N road network rate configuration signal, to make
The network signal that network data management unit 1032 is exported has network rate regulatory function, when multiple signal output ports connect
When entering the network signal, multiple signal output ports are configured with different network rates by the network signal.
As a kind of specific embodiment, Fig. 3 shows detection stage unit provided by the embodiment of the utility model
1031 modular structure, as shown in figure 3, detection stage unit 1031 includes rectifier bridge 301 and logic control circuit 302, wherein
Rectifier bridge 301 is connect with signal conversion module 102, and electric power signal is transmitted to rectifier bridge 301 by signal conversion module 102, due to
Rectifier bridge 301, which has, adjusts polarity of voltage and amplitude effect, therefore rectifier bridge 301 matches the polarity of voltage of electric power signal
It sets, to enhance the quality of electric power signal, avoids extraneous interference signal, the signal for enabling electric power signal to meet Ethernet passes
Defeated standard；As an alternative embodiment, Fig. 4 shows the circuit of rectifier bridge 301 provided by the embodiment of the utility model
Structure, as shown in figure 4, rectifier bridge 301 includes multiple diodes, when the voltage input end Vin of rectifier bridge 301 accesses electric power signal
When, it is rectified and is modulated by multiple diode pair electric power signals, to change the polarity of voltage of electric power signal, rectifier bridge 301
Voltage output end Vout electric power signal is transmitted to logic control circuit 302, so that the detection stage unit 1031 can be right
Electric power signal carries out further signal processing.
As shown in figure 3, logic control circuit 302 is connect with rectifier bridge 301, since rectifier bridge 301 believes electric power
Number polarity of voltage configured, then logic control circuit 302 can follow IEEE802.3af agreement or IEEE802.3at association
View detects electric power signal, is classified and power on operation；Wherein IEEE802.3af agreement and IEEE802.3at agreement are
The puppy parc of POE system in actual application in this field, in IEEE802.3at agreement, electric power signal has more
Strong power, transmission range is also farther, has higher transmission rate；In IEEE802.3af agreement, electric power signal is in ether
There is higher compatibility, electric power signal can independently complete detection, be classified with power on operation in net signal transmission system.
Specifically, in above-mentioned logic control circuit 302, described to carry out detection to electric power signal include: that electric power is believed
Number amplitude detected, and then be in electronic component under rated operation by electric power signal, so that POE network connects
Port expansion circuit 10 being capable of safe and stable operation；It is described to electric power signal carry out classification include: be less than the preset time in it is right
The power of electric power signal is classified, so that electric power signal keeps power consumption appropriate；It is described that power on operation is carried out to electric power signal
Include: the electric power attribute for enhancing the electric power signal, the realization of other electric power components is powered on to have by the electric power signal
Function；Thus, when logic control circuit 302 follows IEEE8023.3af agreement or IEEE802.3at agreement successively
After being detected, be classified and being powered on to electric power signal, which can be realized in ethernet signal Transmission system and powers on
Function, then by the electric power signal can make multiple signal output ports simultaneously it is electric, to drive the extension of POE network interface electric
It is communicatively coupled between road 10 and extraneous terminal device.
As an alternative embodiment, Fig. 5 shows logic control circuit 302 provided by the embodiment of the utility model
Circuit structure pass through Fig. 5 as shown in figure 5, logic control circuit 302 includes: resistance, capacitor, MOSFET and diode etc.
Shown in electronic component can be realized detection, classification and power on operation for electric power signal, when logic control electricity
When road 302 exports the electric power signal, multiple signal output ports can be made by the electric power signal while being obtained electric；It is said
Bright, particular circuit configurations illustrated in fig. 5 are only a reality of logic control circuit 302 in the utility model embodiment
Example is applied, the technology limiting for logic control circuit 302 in the utility model embodiment is not constituted；Those skilled in the art
Existing Ethernet logic controller can be used in traditional technology to implement the logic control circuit 302 in the present embodiment, to this
Without limitation.
In the modular structure for detecting stage unit 1031 provided by the utility model embodiment, pass through rectifier bridge 301
Electric power signal can be configured, in logic control circuit 302, electric power signal passes sequentially through detection, is classified and powers on behaviour
After work, when multiple signal output ports access the electric power signal, multiple signal output ports can be made by the electric power signal
Can simultaneously it is electric, and then ensure that above-mentioned POE network interface expanded circuit 10 can be simultaneous by multiple signal output ports
Hold output multi-channel signal of communication；And according to the circuit structure of detection stage unit 1031, detected in the utility model embodiment
The circuit structure of stage unit 1031 is relatively simple, is easily achieved, and can be realized more complicated signal processing function, greatly
Reduce the electrical structure of signal transmission system.
As a kind of specific embodiment, network data management unit 1032 includes conversion chip, wherein conversion chip with
Signal conversion module 102 connects, and network signal is transmitted to conversion chip by signal conversion module 102, and conversion chip is according to N road network
Network rate configuration signal is managed and distributes to network signal, when conversion chip exports network signal, the network signal pair
Has the function of network rate adjusting in signal output port；Therefore in the utility model embodiment, conversion chip is according to the road N
After network rate configures signal to network signal progress function setting, make network signal that there is network rate regulatory function, operation
Process is easy.
Specifically, in the utility model embodiment, conversion chip includes: that signal of communication input pin, signal of communication are defeated
Pin and configuration signal input tube foot out, wherein signal of communication input pin is connect with signal conversion module 102, can access
Network signal；Signal of communication output pin is connect with signal transmission module 104, and signal of communication output pin exports network signal
To signal transmission module 104, specifically, signal of communication exports after network signal is managed and is distributed by conversion chip
Network signal is transmitted to multiple signal output ports by signal transmission module 104 by pin, and then realizes and signal is exported
The network rate of port configures operation；It configures signal input tube foot access network rate and configures signal, as described above, passing through the net
Network rate configuration signal can indirectly control the network rate of each signal output port.
As an alternative embodiment, the model of the conversion chip are as follows: RTL8309M, RTL8309N or
RTL8305N；Illustratively, in the utility model embodiment, the model RTL8309N of conversion chip, wherein Fig. 6 is shown
The mount structure of RTL8309N chip provided by the embodiment of the utility model, as shown in Figure 6, wherein RTL8309N chip leads to
Interrogating pin RXIP0 and RXIIN0 is the signal of communication input pin, for accessing network signal；The communication of RTL8309N chip
Pin TXON0 and TXOP0 are the signal of communication output pin, for exporting network signal；The communication pipe of RTL8309N chip
Foot SCL/MDC and SDA/MDIO are the configuration signal input tube foot, for accessing network rate configuration signal；Therefore, at this
In network data management unit 1032 provided by utility model embodiment, network signal is managed by conversion chip and
Distribution, greatly simplifies circuit structure, and then signal output port in the utility model embodiment is promoted to set with extraneous terminal
Multipath signal propagation process is realized between standby.
As a kind of specific embodiment, Fig. 7 shows POE network interface extension provided by the embodiment of the utility model
Another modular structure of circuit 10, compared to the modular structure of POE network interface expanded circuit 10 shown in Fig. 2, Fig. 7
Shown in POE network interface expanded circuit 10 further include rate selection module 701 and memory module 702；Wherein, rate is selected
The road N selection signal can be generated by selecting module 701, which includes the mode selecting information of network rate, and technical staff can
Through-rate selecting module 701 selects the mode of network rate, and then the network for adjusting POE network interface expanded circuit 10 passes
Defeated rate enhances the practicability of POE network interface expanded circuit 10 in the utility model embodiment；Memory module 702 connects
Between rate selection module 701 and the configuration signal input tube foot of conversion chip, when rate selection module 701 selects the road N
When signal is transmitted to memory module 702, memory module 702 generates N road network rate configuration signal according to the road N selection signal；It is logical
The network rate that network rate configuration signal is capable of adjustment signal port is crossed, therefore when memory module 702 matches N road network rate
When confidence number is transmitted to conversion chip, conversion chip is managed to network signal and distributes operation, and then realizes to N number of signal
The network rate of output port is configured respectively, and POE network interface expanded circuit 10 can be compatible with the output road N signal of communication.
Specifically, memory module 702 includes N number of as shown in fig. 7, rate selection module 701 includes N number of toggle switch
(Electrically Erasable Programmable Read Only Memory, band electric erazable programmable are read-only by EEPROM
Memory), and each toggle switch connects one to one with each EEPROM, to pass through a toggle switch for one
Road selection signal is transmitted in an EEPROM；For example, the modular structure of POE network interface expanded circuit 10 out shown in Fig. 7
In, first toggle switch 7011 is connect with first EEPROM7021, and first toggle switch 7011 selects the first via
It selects signal and is transmitted to first EEPROM7021；Second toggle switch 7012 is connect with second EEPROM7022, and the
Second tunnel selection signal is transmitted to second EEPROM7022 by two toggle switch 7012, and so on, so that N number of dial-up is opened
The road N selection signal is transmitted in N number of EEPROM by pass；EEPROM can be handled and be stored to selection signal, memory module
N road network rate configuration signal can be transmitted to conversion chip by 702；As described above, technical staff is opened by each dial-up
The mode that network rate may be selected is closed, if change the mode of network rate in a toggle switch, corresponding EEPROM root
Network rate is generated according to selection signal and configures signal, signal is configured by the network rate, each signal output end is adjusted
The network rate of mouth；Further, since rate selection module 701 includes N number of toggle switch, by adjusting N number of dial-up respectively
The state of switch can change the road N selection signal respectively, and it is defeated that N number of EEPROM according to the road N selection signal respectively corresponds setting signal
Out in module 105 N number of signal output port network rate；Therefore it in the utility model embodiment, is opened by a dial-up
The network rate for respectively corresponding one signal output port of configuration is closed, if the state of N number of toggle switch is not identical, then N number of
The network rate of signal output port is not also identical, such as 10MB or 100MB etc.；POE network interface expanded circuit 10 can
The road N signal of communication is transmitted in terminal device with different network rates simultaneously, with the different demands of adaptive technique personnel, pole
The earth improves the scope of application of POE network interface expanded circuit 10 in the utility model embodiment, and scalability is extremely strong.
According to the modular structure of above-mentioned POE network interface expanded circuit 10 shown in Fig. 7, the selection of technical staff's through-rate
N number of toggle switch is the mode that network rate may be selected in module 701, when rate selection module 701 transmits the road N selection signal
When to memory module 702, N number of EEPROM generates N road network rate configuration signal according to the road N selection signal in memory module 702,
And then after signal management module 103 is managed control to network signal according to N road network rate configuration signal, pass through the network
Signal is the network rate that can control N number of signal output port；Therefore, it in rate selection module 701, is dialled whenever changing one
When the state of code switch, then the network rate of a corresponding signal output port can also change in signal output module 105
Become；So through-rate selecting module 701 and memory module 702, which can be realized, exports signal N number of in signal output module 105
The network rate of port is configured respectively, and POE network interface expanded circuit 10 can be defeated simultaneously by N number of signal output port
The road N signal of communication out, compatibility is stronger, and circuit structure is relatively simple, has wider adaptation range.
Fig. 8 shows the modular structure of POE repeater 80 provided by the embodiment of the utility model, as shown in figure 8, in POE
Include POE network interface expanded circuit 10 as described above after device 80；The wherein inside of the POE network interface expanded circuit 10
Structure and its working principle can refer to the embodiment of above-mentioned Fig. 1-Fig. 7, will not be described in great detail herein；In in conjunction with documented by above
Hold, when the access POE signal of POE network interface expanded circuit 10, was waited by being converted and being managed control to the POE signal
Journey realizes power on operation and the network rate configuration behaviour of multiple signal output ports by electric power signal and network signal respectively
Make, POE network interface expanded circuit 10 can be realized the signal transmission function of " single input and multi-output " in the utility model embodiment
Energy；Therefore in POE repeater 80 out shown in Fig. 8, POE repeater 80 output multi-channel signal of communication, POE can relay simultaneously
Device 80 can carry out communication connection with multiple mobile terminals simultaneously, and the internal circuit configuration of POE repeater 80 is simple, flexible
Property is higher, significantly reduces the engineer application cost of POE Transmission system；To the POE relaying in the utility model embodiment
Device 80 can be compatible with output multi-channel signal of communication, be particularly suitable for over long distances and in the signal transmission system of multinode, effectively
Solve traditional repeater in POE signal transmission system can only external terminal device, poor compatibility, a flexibility it is low,
And it can not blanket problem.
Fig. 9 shows the modular structure of POE network monitoring system 90 provided by the embodiment of the utility model, as shown in figure 9,
POE network monitoring system 90 includes POE interchanger 901, multiple POE web cameras 9021,9022 ... 902N and institute as above
The POE repeater 80 stated, wherein POE interchanger 901 connects POE web camera by POE repeater 80；POE interchanger 901 will
POE network video signal is by POE repeater transmission to multiple POE web cameras, then POE web camera is according to POE net
Network vision signal carries out video and shows；Referring to the embodiment of POE repeater 80 in attached drawing 8, POE repeater 80 can be compatible with output
Multiple signals, therefore in the POE network monitoring system 90 provided in the utility model embodiment, POE repeater 80 can
By POE network video signal simultaneous transmission into multiple POE web cameras, and then can be same by POE network video signal
When drive multiple POE web cameras to carry out videos to show that flexibility is higher, technical staff passes through multiple POE web cameras
Clearer image can be obtained, there is higher user experience sense, reduce the cost of network monitoring；To in this reality
With in new embodiment, POE network video monitor and control system 90 can connect multiple POE web cameras by POE repeater 80, into
And multiple web cameras are able to carry out video and show, significantly reduce industrial manufacturing cost, bring well to technical staff
Usage experience sense, can be widely used in the every field such as network video security protection, Long Range Ethernet transmission of video；Effectively
Ground solve in traditional technology can only be driven by a POE repeater in POE network monitoring system a web camera into
Row video is shown, if connect multiple POE web cameras, needs to be equipped with multiple POE repeaters simultaneously, and wiring cost is higher,
The problem that usage experience sense is poor and flexibility is lower.
Figure 10 shows the modular structure of POE system 100 provided by the embodiment of the utility model, as shown in Figure 10, POE system
System 100 includes that power supply 1001, power supply unit 1002 and power receiving equipment 1003, wherein power supply 1001 and power supply unit 1002 connect
It connects, electric energy is transmitted to power supply unit 1002 by power supply 1001, and power supply unit 1002 includes POE repeater 80 as described above, is needed
It is noted that the modular structure and its working principle of POE repeater 80 can refer to the implementation of outgoing trunk circuit 80 shown in attached drawing 8
Example, will not be described in great detail herein；Power supply unit 1002 and power receiving equipment 1003 pass through the progress data communication of POE repeater 80；As above
Described, repeater 80 can be realized the function of " single input and multi-output ", therefore power supply unit 1002 can be simultaneously by multi-channel network
Signal and multichannel data signal are transmitted in power receiving equipment 1003, and the POE system 100 in the utility model embodiment can be extensive
Ground improves the applicable generality of ethernet network system suitable for the unlike signals Transmission system such as long range and multinode,
Significantly reduce cost；POE system narrow scope of application in traditional technology is efficiently solved, it is more superfluous in engineer application
Miscellaneous problem.
It should be noted that, in this document, the words of such as multiple and multichannel etc refer to the quantity greater than 1, such as the
One and second etc relational terms are used merely to distinguish an entity with another entity, and not necessarily require or
Imply that there are any actual relationship or orders between these entities.And the terms "include", "comprise" or any
Other variants are intended to non-exclusive inclusion so that include product or the structure of a series of elements intrinsic want
Element.In the absence of more restrictions, the element limited by sentence " including ... " or " including ... ", it is not excluded that
There is also other elements in process, method, article or terminal device including the element.In addition, herein, it is " big
In ", " being less than ", " being more than " etc. be interpreted as not including this number；" more than ", " following ", " within " etc. be interpreted as including this number.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of POE network interface expanded circuit characterized by comprising
Access the signal input port of POE signal；
It is connect with the signal input port, the POE signal is converted to the signal modulus of conversion of electric power signal and network signal
Block；
It is connect with the signal conversion module, control is managed to the electric power signal, according to N road network rate configuration signal
The signal management module of control is managed to the network signal；
It is connect with the signal management module, transmits the signal transmission module of the electric power signal and the network signal；And
It connect with the signal transmission module, is powered on according to electric power signal realization, network is realized according to the network signal
The signal output module of rate configuration；
Wherein, the signal output module includes N number of signal output port, and the N is the positive integer more than or equal to 2.
2. POE network interface expanded circuit according to claim 1, which is characterized in that the signal input port is
The port RJ45, the signal output port are the port RJ45.
3. POE network interface expanded circuit according to claim 1, which is characterized in that the signal conversion module includes
One network transformer.
4. POE network interface expanded circuit according to claim 1, which is characterized in that the signal transmission module includes N
A network transformer, wherein each described network transformer connects one to one with signal output port described in each.
5. POE network interface expanded circuit according to claim 1, which is characterized in that the signal management module includes:
It is connect with the signal conversion module, is configured to be managed the electric power signal detection stage unit of control；With
It connect with the signal conversion module, the network signal is managed according to the N road network rate configuration signal
The network data management unit of control.
6. POE network interface expanded circuit according to claim 5, which is characterized in that the detection stage unit includes:
It is connect with the signal conversion module, the rectifier bridge that the polarity of voltage of the electric power signal is configured；With
It is connect with the rectifier bridge, it then follows IEEE802.3af agreement or IEEE802.3at agreement carry out the electric power signal
The logic control circuit for detecting, being classified and powering on.
7. POE network interface expanded circuit according to claim 5 or 6, which is characterized in that the network data management list
Member includes:
It connect with the signal conversion module, the network signal is managed according to the N road network rate configuration signal
With the conversion chip of distribution；
Wherein, the conversion chip includes:
It is connect with the signal conversion module, accesses the signal of communication input pin of the network signal；
It is connect with the signal transmission module, exports the signal of communication output pin of the network signal, and
Access the configuration signal input tube foot of the network rate configuration signal.
8. POE network interface expanded circuit according to claim 7, which is characterized in that the network data management unit
Further include:
Generate the rate selection module of the road N selection signal；With
It is connected between the rate selection module and the configuration signal input tube foot, is generated according to the road N selection signal
The memory module of the N road network rate configuration signal；
Wherein, the rate selection module includes N number of toggle switch, and the memory module includes N number of EEPROM, described in each
Toggle switch connects one to one with EEPROM described in each.
9. a kind of POE repeater, which is characterized in that including the described in any item POE network interface extension electricity of such as claim 1-8
Road.
10. a kind of POE network monitoring system characterized by comprising POE interchanger, multiple POE web cameras and such as
POE repeater as claimed in claim 9, the POE interchanger connect the POE web camera by the POE repeater；
Wherein, POE network video signal is passed through the POE repeater transmission to the multiple POE network by the POE interchanger
Video camera, the POE web camera carry out video according to the POE network video signal and show.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821005086.7U CN208477322U (en) | 2018-06-27 | 2018-06-27 | POE network interface expanded circuit, repeater and network monitoring system |
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|---|---|---|---|
| CN201821005086.7U CN208477322U (en) | 2018-06-27 | 2018-06-27 | POE network interface expanded circuit, repeater and network monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811114A (en) * | 2020-06-04 | 2020-10-23 | 福州宇泽机电工程有限公司 | Energy-saving air conditioner intelligent control system |
| CN114039802A (en) * | 2021-09-18 | 2022-02-11 | 深圳市联洲国际技术有限公司 | Data processing method, expansion circuit, system, device and storage medium |
| CN114422279A (en) * | 2021-12-07 | 2022-04-29 | 成都市联洲国际技术有限公司 | Expansion circuit, system, data processing method, and computer storage medium |
-
2018
- 2018-06-27 CN CN201821005086.7U patent/CN208477322U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811114A (en) * | 2020-06-04 | 2020-10-23 | 福州宇泽机电工程有限公司 | Energy-saving air conditioner intelligent control system |
| CN114039802A (en) * | 2021-09-18 | 2022-02-11 | 深圳市联洲国际技术有限公司 | Data processing method, expansion circuit, system, device and storage medium |
| CN114422279A (en) * | 2021-12-07 | 2022-04-29 | 成都市联洲国际技术有限公司 | Expansion circuit, system, data processing method, and computer storage medium |
| CN114422279B (en) * | 2021-12-07 | 2023-07-18 | 成都市联洲国际技术有限公司 | Expansion circuit, system, data processing method and computer storage medium |
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