CN104618009A - Optical fiber tandem connection device hot backup protection system - Google Patents
Optical fiber tandem connection device hot backup protection system Download PDFInfo
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- CN104618009A CN104618009A CN201510082010.9A CN201510082010A CN104618009A CN 104618009 A CN104618009 A CN 104618009A CN 201510082010 A CN201510082010 A CN 201510082010A CN 104618009 A CN104618009 A CN 104618009A
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Abstract
The invention discloses an optical fiber tandem connection device hot backup protection system. An optical switch switching unit comprises a driving circuit and four groups of optical switches. A liquid crystal display unit is connected onto a control processing unit. The input end of the control processing unit is connected with a fault uploading communication interface of protected devices, namely two servers with optical fiber link interfaces, and the output end of the control processing unit is connected with four groups of optical switches through a driving circuit. A common optical interface of the two groups of optical switches is connected with the input end and the output end of optical signals of a first network node, a common optical interface of the other two groups of optical switches is connected with the input end and the output end of optical signals of a second network node, first optical interfaces of the four groups of optical switches are connected with a first server, and second optical interfaces of the four groups of optical switches are connected with a second server. When the optical device has faults, the system can be switched to the system of the standby optical device, and the whole network is not affected.
Description
Technical field
The present invention relates to optical communication field, be specifically related to a kind of optical fiber serial connection equipment Hot Spare protection system.
Background technology
Optical-fiber network application develops rapidly, and the pressure that the Internet is faced is also increasing, and backbone network deployment scheme is varied, also more sophisticated, and the multiple deployment way of Network Security Device also changes into gradually and transfers Serial Control to by bypass intervention before.Therefore, when apparatus for network node fault, need the response to network node device fault order automatically of a kind of energy, and be switched to rapidly the system of backup network node device, ensure whole network equipment normal transmission.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of optical fiber serial connection equipment Hot Spare protection system, and it when protecting light device self to break down, be switched to rapidly light device for subsequent use, ensureing that whole network is unaffected.
For solving the problem, the present invention is achieved by the following technical solutions:
A kind of optical fiber serial connection equipment Hot Spare protection system, the liquid crystal display comprising power supply unit and be connected with power supply unit, controlled processing unit and optical switch switch unit; Optical switch switch unit comprises drive circuit and 4 groups of optical switches; Liquid crystal display is connected on controlled processing unit; The input of controlled processing unit is connected with protected equipment i.e. 2 fault upload communication interfaces with the server of optical fiber link interface, and the output of controlled processing unit is connected through the control end of drive circuit with 4 groups of optical switches.The shared optical interface of 2 groups of optical switches is connected with light signal output end with the optical signal input of first network node respectively, the shared optical interface of another 2 groups of optical switches is connected with light signal output end with the optical signal input of second network node respectively, first optical interface of 4 groups of optical switches is all connected with first server, and the second optical interface of 4 groups of optical switches is all connected with second server.
In such scheme, power supply unit is made up of voltage stabilizing chip U1, electric capacity C1 and pi-network; 3rd pin of voltage stabilizing chip U1, as the input of power supply unit, is connected with externally fed; The 1st pin ground connection of voltage stabilizing chip U1; One end of electric capacity C1 is connected with the 3rd pin of voltage stabilizing chip U1, and the other end is connected with the 1st pin of voltage stabilizing chip U1; 2nd pin of voltage stabilizing chip U1, after pi-network, forms the output of power supply unit, and is connected with optical switch switch unit with liquid crystal display, controlled processing unit.
In such scheme, pi-network is made up of electric capacity C2, C3 and inductance L 1; Wherein one end of inductance L 1 is divided into 2 tunnels, and a road connects the 2nd pin of voltage stabilizing chip U1, and another road is through electric capacity C2 ground connection; The other end of inductance L 1 is also divided into 2 tunnels, and a road forms the output of pi-network and power supply unit, and another road is through electric capacity C3 ground connection.
In such scheme, the output of power supply unit, after a power detecting diode D1, is connected with optical switch switch unit with liquid crystal display, controlled processing unit.
In such scheme, controlled processing unit is made up of single-chip microcomputer U4, reset circuit, crystal oscillating circuit, enable resistance R10 and burning program interface J1; Reset circuit comprises resistance R9 and electric capacity C7; One end of the 4th pin contact resistance R9 of single-chip microcomputer U4 and the negative electrode of electric capacity C7; The other end ground connection of resistance R9, the anode of electric capacity C7 connects the output of power supply unit; Crystal oscillating circuit comprises crystal oscillator Y1 and electric capacity C8, C9; 15th pin of single-chip microcomputer U4 is connected with one end of electric capacity C8 with one end of crystal oscillator Y1, and the 14th pin of single-chip microcomputer U4 is connected with one end of electric capacity C9 with the other end of crystal oscillator Y1; The equal ground connection of the other end of electric capacity C8 and C9; 29th pin of single-chip microcomputer U4 is connected with one end of enable resistance R10, and the enable other end of resistance R10 is connected with the output of power supply unit; The 1-4 pin of single-chip microcomputer U4 connects the 3-6 pin of burning program interface J1 respectively; 23rd and 24 pins of single-chip microcomputer U4 connect the control end of drive circuit respectively; The 5th of the U4 of single-chip microcomputer is connected with server with 7 pins.
In such scheme, display unit is by Liquid Crystal Module U3, and triode Q3 and resistance R6-R8 forms; The 1st pin ground connection of Liquid Crystal Module U3,2nd pin connects the output of power supply unit, 3rd pin is connected with the 16th pin by resistance R6,4-6 pin is connected with the 18-20 pin of single-chip microcomputer U4 respectively, 7-14 pin is connected with the 30-37 pin of single-chip microcomputer U4 respectively, and the emitter of the 15th pin connecting triode Q3 is connected; The collector electrode of triode Q3 is connected with the output of power supply unit through resistance R7; The base stage of triode Q3 is connected with the 21st pin of single-chip microcomputer U4 through resistance R8.
In such scheme, drive circuit is by triode Q2, and diode D3, electric capacity C4 and resistance R4 form; The anode of diode D3 is connected with the earth terminal of optical switch with the emitter of triode Q2; The negative electrode of triode D3 and triode D4 connects the output of power supply unit; The base stage of triode Q2 is connected with one end of resistance R4 with one end of electric capacity C4, the other end ground connection of electric capacity C4, and the other end of resistance R4 forms the control end of drive circuit.
Compared with prior art; the present invention can the fault of Real-Time Monitoring first server and second server report; realize server failure intelligence to switch; complete light path control; can be used for protection light device when self breaks down, be switched to rapidly the system of light device for subsequent use, ensure that whole network is unaffected; and it is little to have insertion loss, the features such as switch speed is fast.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of optical fiber serial connection equipment Hot Spare protection system.
Fig. 2 is the schematic diagram of power supply unit in Fig. 1.
Fig. 3 is the schematic diagram of optical switch switch unit in Fig. 1.
Fig. 4 is the schematic diagram of display unit in Fig. 1.
Fig. 5 is the schematic diagram of controlled processing unit in Fig. 1.
Embodiment
A kind of optical fiber serial connection equipment Hot Spare protection system, as shown in Figure 1, the liquid crystal display comprising power supply unit and be connected with power supply unit, controlled processing unit and optical switch switch unit.Optical switch switch unit comprises drive circuit and 4 groups of optical switches.Liquid crystal display is connected on controlled processing unit.The input of controlled processing unit is connected with protected equipment i.e. 2 fault upload communication interfaces with the server of optical fiber link interface, and the output of controlled processing unit is connected through the control end of drive circuit with 4 groups of optical switches.
For the light path connected mode of above-mentioned 4 groups of optical switches, wherein the shared optical interface of 2 groups of optical switches is connected with light signal output end with the optical signal input of first network node respectively, the shared optical interface of another 2 groups of optical switches is connected with light signal output end with the optical signal input of second network node respectively, first optical interface of 4 groups of optical switches is all connected with first server, and the second optical interface of 4 groups of optical switches is all connected with second server.That is:
The optical signal input of first network node A is connected with the shared optical interface of the first optical switch, and the second optical interface of the first optical switch is connected with the light signal output end of second server, and the first optical interface of the first optical switch is connected with the output of first server.
The light signal output end of first network node A is connected with the shared optical interface of the second optical switch, and the second optical interface of the second optical switch is connected with the optical signal input of second server, and the first optical interface of the second optical switch is connected with the input of first server.
The optical signal input of second network Node B is connected with the shared optical interface of the 3rd optical switch, and the second optical interface of the 3rd optical switch is connected with the light signal output end of second server, and the first optical interface of the 3rd optical switch is connected with the output of first server.
The light signal output end of second network Node B is connected with the shared optical interface of the 4th optical switch, and the second optical interface of the 4th optical switch is connected with the optical signal input of second server, and the first optical interface of the 4th optical switch is connected with the input of first server.
Power supply unit is made up of voltage stabilizing chip U1, electric capacity C1-C3 and inductance L 1.The VIN pin of voltage stabilizing chip U1 is as the input VIN of power supply unit, and this input VIN is connected with externally fed.The GND pin ground connection of voltage stabilizing chip U1.One end of electric capacity C1 is connected with the VIN pin of voltage stabilizing chip U1, and the other end is connected with the GND pin of voltage stabilizing chip U1.The VOUT pin of voltage stabilizing chip U1 is after pi-network, form the output VCC of power supply unit, this output VCC through power detecting diode D1 or directly and to be intrasystemly respectively connected with optical switch switch unit with unit and liquid crystal display, controlled processing unit.Above-mentioned pi-network is made up of electric capacity C2, C3 and inductance L 1.Wherein one end of inductance L 1 is divided into 2 tunnels, and a road connects the VOUT pin of voltage stabilizing chip U1, and another road is through electric capacity C2 ground connection; The other end of inductance L 1 is also divided into 2 tunnels, and a road forms output VCC, and another road is through electric capacity C3 ground connection.See Fig. 2.
According to the number of the number determination drive circuit of the inner integrated optical switch of optical switch U2.When optical switch U2 inside is integrated with 4 groups of optical switches, now only need 1 drive circuit can form optical switch switch unit; When optical switch U2 inside is integrated with 2 groups of optical switches, now need 2 drive circuits can form optical switch switch unit; When optical switch U2 inside is integrated with 1 group of optical switch, now need 4 drive circuits can form optical switch switch unit.
In the present invention in preferred embodiment, optical switch U2 is integrated with 2 groups of optical switches, namely the 3rd and 8 pins of optical switch U2 form 2 shared optical interfaces of optical switch switch unit, 2nd and 6 pins of optical switch U2 form 2 the second optical interfaces of optical switch switch unit, 4th and 7 pins of optical switch U2 form 2 normally closed optical interfaces of optical switch switch unit, now, optical switch switch unit is made up of 2 drive circuits and 2 optical switch U2.Drive circuit is by triode Q2, Q3, and diode D3, D4, electric capacity C4, C5 and resistance R4, R5 form.1st and 10 pins of optical switch U2 meet the output VCC of power supply unit simultaneously.5th pin of optical switch U2 is connected with the emitter of triode Q2 with the anode of diode D3.6th pin of optical switch U2 is connected with the emitter of triode Q3 with the anode of diode D4.The negative electrode of triode D3 and triode D4 meets the output VCC of power supply unit simultaneously.The base stage of triode Q2 is connected with one end of resistance R4 with one end of electric capacity C4, the other end ground connection of electric capacity C4, and the other end of resistance R4 is connected with the 23rd pin of single-chip microcomputer U4.The base stage of triode Q3 is connected with one end of resistance R5 with one end of electric capacity C5, the other end ground connection of electric capacity C5, and the other end of resistance R5 is connected with the 24th pin of single-chip microcomputer U4.23rd and 24 pins of single-chip microcomputer U4 are by providing 01 level, and driven optical switch switches, and enters main road state A.23rd and 24 pins of single-chip microcomputer U4 are by providing 10 level, and driven optical switch switches, and enters bypass condition B.Send control command by single-chip microcomputer U4, reach the object that driven optical switch switches.See Fig. 3.
Display unit is by Liquid Crystal Module U3, and triode Q3 and resistance R6-R8 forms.The 1st pin ground connection of Liquid Crystal Module U3,2nd pin meets the output VCC of power supply unit, 3rd pin is connected with the 16th pin by resistance R6,4-6 pin is connected with the 18-20 pin of single-chip microcomputer U4 respectively, 7-14 pin is connected with the 30-37 pin of single-chip microcomputer U4 respectively, and the emitter of the 15th pin connecting triode Q3 is connected.The collector electrode of triode Q3 is connected with the output VCC of power supply unit through resistance R7.The base stage of triode Q3 is connected with the 21st pin of single-chip microcomputer U4 through resistance R8.Resistance R7, R8 and triode Q3 form LCD backlight control circuit together.Single-chip microcomputer U4 the 21st pin export high level time, triode Q3 ends, LCD backlight without power supply, liquid crystal entry of backlight state; During the 21st pin output low level of single-chip microcomputer U4, triode Q3 conducting, LCD backlight has power supply, and liquid crystal enters normal display state.Whether control by controlling to reach accurate liquid crystal display.See Fig. 4.
Controlled processing unit is made up of single-chip microcomputer U4, reset circuit, crystal oscillating circuit, enable resistance R10 and burning program interface J1.Reset circuit comprises resistance R9 and electric capacity C7.One end of the 4th pin contact resistance R9 of single-chip microcomputer U4 and the negative electrode of electric capacity C7.The other end ground connection of resistance R9, the anode of electric capacity C7 meets the output VCC of power supply unit.Reset circuit provides electrification reset level to single-chip microcomputer U4, makes monolithic processor resetting.Crystal oscillating circuit comprises crystal oscillator Y1 and electric capacity C8, C9.15th pin of single-chip microcomputer U4 is connected with one end of electric capacity C8 with one end of crystal oscillator Y1, and the 14th pin of single-chip microcomputer U4 is connected with one end of electric capacity C9 with the other end of crystal oscillator Y1.The equal ground connection of the other end of electric capacity C8 and C9.Crystal oscillating circuit provides clock signal.29th pin of single-chip microcomputer U4 is connected with one end of enable resistance R10, and the other end of enable resistance R10 is connected with the output VCC of power supply unit.The 1-4 pin of single-chip microcomputer U4 connects the 3-6 pin of burning program interface J1 respectively, and burning program interface J1 provides burning program interface for single-chip microcomputer U4.23rd and 24 pins of single-chip microcomputer U4 meet control end ctl 1 and the ctl2 of optical switch switch unit respectively.The 5th of the U4 of single-chip microcomputer is connected with the corresponding RS232 serial ports of protected equipment with 7 pins, completes and communicates with the serial ports RS232 of protected equipment.See Fig. 5.
The fault upload communication interface of 2 servers is made up of serial ports RS232 communication interface, makes controlled processing unit and protected equipment and carry out standard RS232 between first server with second server to communicate.After system electrification, all parts is started working, the malfunction that controlled processing unit is uploaded by RS232 interface and agreement Real-Time Monitoring first server and second server.When first server equipment faults itself time, first server transmits <SENT_DEVICE1_ERROR> order by RS232 communication interface to controlled processing unit, after controlled processing unit receives the faulting instruction that first server reports, by former link switching to second server link (in Fig. 1 light path shown in solid line), and reply <SENT_DEVICE1_OK> is carried out to first server.When second server equipment faults itself time, second server transmits <SENT_DEVICE2_ERROR> order by RS232 communication interface to controlled processing unit, after controlled processing unit receives the faulting instruction that second server reports, by former link switching to first server link (in Fig. 1 light path shown in dotted line), and reply <SENT_DEVICE2_OK> is carried out to second server.
Operation principle of the present invention is: the malfunction that controlled processing unit Real-Time Monitoring first server and second server are uploaded, if receive the fault-signal that first server reports, then be switched to second server state immediately, in second server access link, and report to the police; If otherwise receive the fault-signal that second server reports, be then switched to first server state immediately, in first server access link, and report to the police.
Claims (7)
1. an optical fiber serial connection equipment Hot Spare protection system, is characterized in that: the liquid crystal display comprising power supply unit and be connected with power supply unit, controlled processing unit and optical switch switch unit; Optical switch switch unit comprises drive circuit and 4 groups of optical switches; Liquid crystal display is connected on controlled processing unit; The input of controlled processing unit is connected with protected equipment i.e. 2 fault upload communication interfaces with the server of optical fiber link interface, and the output of controlled processing unit is connected through the control end of drive circuit with 4 groups of optical switches; Wherein the shared optical interface of 2 groups of optical switches is connected with light signal output end with the optical signal input of first network node respectively, the shared optical interface of another 2 groups of optical switches is connected with light signal output end with the optical signal input of second network node respectively, first optical interface of 4 groups of optical switches is all connected with first server, and the second optical interface of 4 groups of optical switches is all connected with second server.
2. a kind of optical fiber serial connection equipment Hot Spare protection system according to claim 1, is characterized in that: power supply unit is made up of voltage stabilizing chip U1, electric capacity C1 and pi-network; 3rd pin of voltage stabilizing chip U1, as the input of power supply unit, is connected with externally fed; The 1st pin ground connection of voltage stabilizing chip U1; One end of electric capacity C1 is connected with the 3rd pin of voltage stabilizing chip U1, and the other end is connected with the 1st pin of voltage stabilizing chip U1; 2nd pin of voltage stabilizing chip U1, after pi-network, forms the output of power supply unit, and is connected with optical switch switch unit with liquid crystal display, controlled processing unit.
3. a kind of optical fiber serial connection equipment Hot Spare protection system according to claim 2, is characterized in that: pi-network is made up of electric capacity C2, C3 and inductance L 1; Wherein one end of inductance L 1 is divided into 2 tunnels, and a road connects the 2nd pin of voltage stabilizing chip U1, and another road is through electric capacity C2 ground connection; The other end of inductance L 1 is also divided into 2 tunnels, and a road forms the output of pi-network and power supply unit, and another road is through electric capacity C3 ground connection.
4. a kind of optical fiber serial connection equipment Hot Spare protection system according to Claims 2 or 3; it is characterized in that: the output of power supply unit after a power detecting diode D1, then is connected with optical switch switch unit with liquid crystal display, controlled processing unit.
5. a kind of optical fiber serial connection equipment Hot Spare protection system according to claim 1 and 2, is characterized in that: controlled processing unit is made up of single-chip microcomputer U4, reset circuit, crystal oscillating circuit, enable resistance R10 and burning program interface J1; Reset circuit comprises resistance R9 and electric capacity C7; One end of the 4th pin contact resistance R9 of single-chip microcomputer U4 and the negative electrode of electric capacity C7; The other end ground connection of resistance R9, the anode of electric capacity C7 connects the output of power supply unit; Crystal oscillating circuit comprises crystal oscillator Y1 and electric capacity C8, C9; 15th pin of single-chip microcomputer U4 is connected with one end of electric capacity C8 with one end of crystal oscillator Y1, and the 14th pin of single-chip microcomputer U4 is connected with one end of electric capacity C9 with the other end of crystal oscillator Y1; The equal ground connection of the other end of electric capacity C8 and C9; 29th pin of single-chip microcomputer U4 is connected with one end of enable resistance R10, and the enable other end of resistance R10 is connected with the output of power supply unit; The 1-4 pin of single-chip microcomputer U4 connects the 3-6 pin of burning program interface J1 respectively; 23rd and 24 pins of single-chip microcomputer U4 connect the control end of drive circuit respectively; The 5th of the U4 of single-chip microcomputer is connected with server with 7 pins.
6. a kind of optical fiber serial connection equipment Hot Spare protection system according to claim 5, is characterized in that: display unit is by Liquid Crystal Module U3, and triode Q3 and resistance R6-R8 forms; The 1st pin ground connection of Liquid Crystal Module U3,2nd pin connects the output of power supply unit, 3rd pin is connected with the 16th pin by resistance R6,4-6 pin is connected with the 18-20 pin of single-chip microcomputer U4 respectively, 7-14 pin is connected with the 30-37 pin of single-chip microcomputer U4 respectively, and the emitter of the 15th pin connecting triode Q3 is connected; The collector electrode of triode Q3 is connected with the output of power supply unit through resistance R7; The base stage of triode Q3 is connected with the 21st pin of single-chip microcomputer U4 through resistance R8.
7. a kind of optical fiber serial connection equipment Hot Spare protection system according to claim 1 and 2, is characterized in that: drive circuit is by triode Q2, and diode D3, electric capacity C4 and resistance R4 form; The anode of diode D3 is connected with the earth terminal of optical switch with the emitter of triode Q2; The negative electrode of triode D3 and triode D4 connects the output of power supply unit; The base stage of triode Q2 is connected with one end of resistance R4 with one end of electric capacity C4, the other end ground connection of electric capacity C4, and the other end of resistance R4 forms the control end of drive circuit.
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| CN201510082010.9A CN104618009A (en) | 2015-02-15 | 2015-02-15 | Optical fiber tandem connection device hot backup protection system |
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| CN201510082010.9A CN104618009A (en) | 2015-02-15 | 2015-02-15 | Optical fiber tandem connection device hot backup protection system |
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