CN105467875B - A kind of input/output interface and switch remote supervising device - Google Patents
A kind of input/output interface and switch remote supervising device Download PDFInfo
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- CN105467875B CN105467875B CN201510868572.6A CN201510868572A CN105467875B CN 105467875 B CN105467875 B CN 105467875B CN 201510868572 A CN201510868572 A CN 201510868572A CN 105467875 B CN105467875 B CN 105467875B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The present invention provides a kind of input/output interface and switch remote supervising device, and input/output interface includes connected input interface and output interface, and input interface includes：Insulating power supply module；Interface module, it is connected respectively with insulating power supply module and output interface；Interface module includes：Connected the first terminal (J1) and photoelectrical coupler (U2), the first interface of the first terminal (J1) are connected by the first inductance (L2) with photophore one end of photoelectrical coupler (U2)；The second interface of the first terminal (J1) is connected by first resistor (R2) with the output end of insulating power supply module；Light-receiving device one end of photoelectrical coupler (U2) is connected with chip.By the interface, a PC is realized from hardware while monitors more switch functions；Using insulating power supply, antijamming capability, anti-lightning strike, safety and stability are improved, remote monitoring is realized and and is not take up current SWITCH network interface bandwidth.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of input/output interface and switch remote supervising device.
Background technology
Interchanger (Switch) be also switch hub, is a kind of network equipment for being used for electric (light) signal forwarding, it
By being regenerated to information, and designated port is forwarded to after inter-process, possesses automatic addressing ability and exchange
Effect.It can be achieved to provide the pathway for electrical signals exclusively enjoyed for any two network node of access switch.But in LAN,
If thinking remotely to check the information of an interchanger, or remotely the information of one or more interchanger is operated, it is right
It is more inconvenient for network manager.
At present, patent《A kind of exchanger power remote control》(application number：201410286198) one is provided in
Kind exchanger power remote control, including the control of control module, signal emission module, signal receiving module, power switch
Module, control module are connected with control information transmitter module, and power switch control module is connected with signal receiving module, control mould
For block by signal emission module emissioning controling signal, institute's control signal is received by signal receiving module reaches power switch control mould
Block, power switch control module control power supply to open and close according to control signal.This scheme is also realized to the remote of interchanger from hardware
Process control, but complexity density is high, solves the problems, such as but very single, simply realizes the control to exchanger power switch, and
It is unidirectionally controlled, data information transfer to control terminal can not can only be sent out data message at a distance by distant place interchanger by control terminal
Interchanger, and other functions can not be realized, the place for the emergency situations such as equipment is restarted, MAC Address shifts, equipment netting twine is pulled out
Reason.
Prior art realizes the complexity density height to the remote control of interchanger from hardware, solves the problems, such as very single
One, the control to exchanger power switch is simply realized, and be unidirectionally controlled, distant place interchanger can not be by data information transfer
To control terminal, data message can only be sent out by control terminal and give distant place interchanger, and other functions can not be realized, equipment is restarted, MAC
The feedback for the emergency situations such as location is shifted, equipment netting twine is pulled out and processing.
The content of the invention
In view of the above problems, the application describes a kind of input/output interface, including connected input interface and output connect
Mouthful, the input interface includes：
Insulating power supply module, 12V power supplys are switched into 3.3V power supplies；
Interface module, respectively with the insulating power supply module and the output interface phase of another input/output interface
Even, to progress signal transmission between the output interface；
Wherein, the interface module includes：Connected the first terminal J1 and photoelectrical coupler U2, the first terminal J1's
First interface is connected by the first inductance L2 with photophore one end of the photoelectrical coupler U2；The second of the first terminal J1
Interface is connected by first resistor R2 with the output end of the insulating power supply module；Light-receiving device one end of the photoelectrical coupler U2
It is connected with chip.
Preferably, the light-receiving device is connected with one first pull-up resistor R3.
Preferably, the interface module also includes the first antistatic unit, first antistatic unit includes the first electricity
Hold C8 and the second electric capacity C9, one end of the first electric capacity C8 are connected with one end of the second electric capacity C9, first electric capacity
The C8 other end is connected between the first interface of the first terminal J1 and the first inductance L2, the second electric capacity C9's
The other end is connected between the first terminal J1 and the first resistor R2.
Preferably, the insulating power supply module includes the first filter unit, the voltage conversion chip U1 and the being sequentially connected
Two filter units；Wherein, first filter unit is connected with+12V power supplys.
Preferably, the output interface includes Second terminal J2, relay U3, the light emitting diode D1 and three being sequentially connected
Pole pipe Q1；
Wherein, the first interface of the Second terminal J2 and second interface pass through the 3rd inductance L4 and the 4th inductance L3 respectively
It is connected on the stationary contact and movable contact of the relay U3；The diode D1 connects with the iron core of the relay U3；Institute
The positive pole for stating diode D1 is connected with the emitter stage of the triode Q1, and base stage is connected by second resistance R5 with chip, current collection
Pole is grounded.
The one second pull-up resistor R4 preferably, the negative pole of the diode D1 is also connected.
Preferably, the output interface also includes the second antistatic unit, second antistatic unit includes the 3rd electricity
Holding C10 and the 4th electric capacity C11, one end of the 3rd electric capacity C10 is connected with one end of the 4th electric capacity C11, and the described 3rd
The electric capacity C10 other end is connected between the first interface and the 3rd inductance L4 of the Second terminal J2, the 4th electric capacity C11
It is connected between second interface and the 4th inductance L3 of the Second terminal J2.
Present invention also offers a kind of switch remote supervising device, described device includes：
One PC, to carry out remote monitoring to interchanger；
One host exchange, be connected with the PC, to PC and between interchanger carry out signal transmission；
It is some from interchanger, be connected with the host exchange；
Wherein, the host exchange and described it is connected between interchanger by input/output interface.
Preferably, the host exchange includes several described input/output interfaces, it is described to include an institute from interchanger
State input/output interface；The input/output interface from interchanger is corresponding with the input/output interface of the host exchange to be connected
Connect.
Preferably, from the number of interchanger it is 1 described in described switch remote supervising device.
Above-mentioned technical proposal has the following advantages that or beneficial effect：The invention provides a kind of input/output interface, pass through
The interface, a PC is realized from hardware while monitors more switch functions.In addition, circuit is powered with insulating power supply, improve
The antijamming capability of circuit, and data information transfer is two-way, can be actively by number when there is idle or failure from interchanger
It is believed that breath feeds back to host exchange, PC is given, and PC is received after interchanger sends information, can be passed through new control command
Host exchange is sent to from interchanger, and so as to complete the transmitted in both directions of data, and the design of this hardware circuit is to be not take up currently
The network interface bandwidth of interchanger.
Brief description of the drawings
With reference to appended accompanying drawing, more fully to describe embodiments of the invention.However, appended accompanying drawing be merely to illustrate and
Illustrate, and be not meant to limit the scope of the invention.
Fig. 1 is the circuit diagram for isolating power module in a kind of input interface of input/output interface of the present invention；
Fig. 2 is the circuit diagram of interface module in a kind of input interface of input/output interface of the present invention；
Fig. 3 is a kind of circuit diagram of the output interface of input/output interface of the present invention；
Fig. 4 is a kind of structural representation one of switch remote supervising device of the present invention；
Fig. 5 is a kind of structural representation two of switch remote supervising device of the present invention.
Embodiment
Below in conjunction with the accompanying drawings with specific embodiment to a kind of input/output interface of the present invention and switch remote supervising device
It is described in detail.
Embodiment one
A kind of input/output interface, including connected input interface and output interface.Wherein, input interface includes：
Insulating power supply module, 12V power supplys are switched into 3.3V power supplies；
Interface module, respectively the output interface with the insulating power supply module and another input/output interface be connected, use
Signal transmission is carried out between the output interface.
Wherein, as shown in figure 1, the insulating power supply module includes：Pull-up resistor R1, voltage conversion chip U1 first are filtered
Unit and the second filter unit.One end access+12V voltages of the pull-up resistor R1, the CTRL of the other end and the chip U1
The electric capacity C4 of end and ground connection is connected.First filter unit includes inductance L1 and electric capacity C1, C2, C3 of parallel connection, electric capacity
C1 one end accesses+12V voltage, other end ground connection with the pull-up resistor R1.In addition, electric capacity C3 also goes here and there with an inductance L1
Connection.The VIN ends input 12V voltages of the voltage conversion chip U1, VO ends output 3.3V voltages.It is worthy of note that the core
Piece U1 VO ends are also connected with one second filter unit, and second filter unit to the output voltage of the chip U1 entering
Row filtering process.Second filter unit is made up of the electric capacity C6 and C7 of parallel connection.
As shown in Fig. 2 the interface module is anti-quiet including terminal J1 (the first terminal), photoelectrical coupler U2 and first
Electric unit is connected.Wherein, terminal J1 second interface is connected by resistance R2 with second filter unit, and first interface passes through
Inductance L2 (the first inductance) is connected with the photoelectrical coupler U2.It is worthy of note that first antistatic unit includes phase
Electric capacity C8 (the first electric capacity) and C9 (the second electric capacity), electric capacity C8 one end even is connected with electric capacity C9 one end, and electric capacity C8's is another
One end is connected between terminal J1 first interface and inductance L2, the electric capacity C9 other end be connected to terminal J1 second interface and
Between resistance R2 (first resistor).It is worthy of note that photophore one end of the photoelectrical coupler U2 and the inductance L2 phases
Even, light-receiving device one end is connected with chip, to receive and transmit the signal of chip transmission.In addition, the input of the photophore
(GPIO_IN or INPUT_GPIO1) also accesses a pull-up resistor R3.
Insulating power supply module is responsible for 12V power supplys switching to 3.3V power supplies by internal circuit, i.e. VCC33_ in Fig. 1
ISL powers, and the VCC_3V3 power supplies in Fig. 2 circuit are isolation.Two purposes are so done：First, solution is never gone here and there altogether
Problem is disturbed, improves antijamming capability and stability；Second, protect rear end equipment not to be struck by lightning, surge or due to voltage spikes destroy.Every
The first filter unit and pull-up resistor R1 being mainly made up of from power module chip U1, inductance capacitance form, chip U1 VIN
For the 12V voltages of input, VO is the 3.3V voltages of output.Input interface unit is mainly by terminal J1, photoelectrical coupler U2, pull-up
Resistance R3 (the first pull-up resistor) and the first antistatic unit composition.Photoelectrical coupler is to carry out transmitting telecommunication number by medium of light
Device, generally photophore (LED) and light-receiving device (photosensitive semiconductor pipe) are encapsulated in same shell, work as input
Photophore emits beam when holding power up signal, and light-receiving device receives just to produce photoelectric current after light, is flowed out from output end, so as to real
Existing " electricity-light-electricity " conversion, has small volume, long lifespan, contactless, strong antijamming capability, exhausted between output and input
Edge, the advantages that one-way transmission signal.
As shown in figure 3, the output interface includes：Terminal J2 (Second terminal), the second antistatic unit, relay U3,
Light emitting diode D1 and triode Q1.Wherein, terminal J2 is connected with terminal J1, relay U3 by iron core, coil, armature and
Contact reed etc. is formed, and terminal J2 two interfaces are connected with the movable contact and stationary contact of the relay U3 respectively.Described
Two antistatic units are made up of electric capacity C10 (the 3rd electric capacity) and electric capacity C11 (the 4th electric capacity), electric capacity C10 one end and electric capacity C11
One end be connected, the other end of the electric capacity C10 is connected between terminal J2 first interface and inductance L4 (the 3rd inductance), institute
The other end for stating electric capacity C11 is connected between terminal J2 second interface and inductance L3 (the 4th inductance).The light emitting diode
The iron core series connection of relay described in D1, the positive pole of diode are connected with triode Q1 emitter stage, the base stage of the triode Q1
It is connected with resistance R5 one end, the other end of the resistance R5 (second resistance) is the output end (GPIO_ of the output interface
OUT or OUTPUT_GPIO2).The base stage of the triode Q1 is connected by second resistance R5 with chip, to receive, forward institute
State the signal of chip transmission.The negative pole of the diode D1 is also connected one second pull-up resistor R4.
In the present embodiment, if adding certain voltage at coil both ends, certain electric current is will pass through in coil, so as to
Galvanomagnetic-effect is produced, armature will overcome the pulling force of return spring to be drawn to iron core in the presence of electromagnetic attracting force, so as to drive
The movable contact of armature and stationary contact adhesive.After coil blackout, the suction of electromagnetism also disappears therewith, and armature will be in the anti-of spring
Active force returns to original position, movable contact is discharged with stationary contact.So adhesive, release, so as to reach in circuit
Conducting, the purpose of cut-out.
Specifically at work, when to GPIO_OUT high level, PNP type triode Q1 emitter junction is reverse-biased, then triode
Q1 ends, that is, the switch for representing relay does not work as off-state, relay, terminal J2 RELAY_B_P and RELAY_B_N
For open circuit, then the terminal J1 connected by electric wire RELAY_A_P and RELAY_A_N are open circuits, then light emitting diode does not work, light
Electric coupler does not work, and GPIO_IN interfaces keep the high level of acquiescence.When CPU is to GPIO_OUT low levels, triode Q1's
Vc<Vb<Ve, emitter junction positively biased, triode ON, light emitting diode D1 are lighted, and the coil of electromagnetic relay has electric current to flow through, production
Raw galvanomagnetic-effect, armature are drawn to iron core under electromagnetic attracting force, close Fig. 3 repeat circuits U3 pin 3 and 4, i.e. terminal J2
RELAY_B_P and RELAY_B_N closure, then by electric wire connect terminal J1 RELAY_A_P and RELAY_A_N close,
The light emitting diode of optocoupler lights, after light-receiving device (photosensitive semiconductor pipe) receives optical signal, circuit turn-on, and GPIO_IN saltus steps
Into low level.
The input/output interface that the present embodiment proposes, input interface use insulating power supply, improve antijamming capability, lightning protection
Hit, safety and stability.Input interface and output interface are engaged, and realize the transmission of signal between data, and the input is defeated
Outgoing interface stability and security are all higher.
Embodiment two
A kind of input/output interface proposed according to above-described embodiment one, the present embodiment, which proposes one kind, includes the input
The switch remote supervising device of output interface.
A kind of switch remote supervising device, including be sequentially connected a PC, a host exchange and one is from exchange
Machine.Wherein, the host exchange and it is described include an input/output interface from interchanger, and the input of the host exchange connects
Mouthful Ain is connected with described from the output interface Bout of interchanger, and the output interface Aout of the host exchange is with described from exchanging
The input interface Bin of machine is connected.
When there is idle or failure from interchanger, feedback of the information to Ain interfaces, host exchange are received by interface Bout
To after information, PC is informed, control command is transferred to Bin interfaces by PC by the Aout interfaces of host exchange again, so as to realize master
Interchanger is to the remote monitoring from interchanger, and Ain, Bin interface in Fig. 3 both correspond to Fig. 1 and Fig. 2 input interface, and Fig. 3
In Aout, Bout interface both correspond to Fig. 3 output interface, below in conjunction with Fig. 1, Fig. 2 and Fig. 3 to Bout to Ain interfaces
Transmitting procedure provide and explain in detail, and the transmitting procedure of Aout to Bin interfaces is as before.
(1) when CPU is to GPIO_OUT high level, PNP type triode Q1 emitter junction is reverse-biased, then triode Q1 ends,
The switch for representing relay does not work as off-state, relay, and terminal J2 RELAY_B_P and RELAY_B_N are open circuit,
The terminal J1 then connected by electric wire RELAY_A_P and RELAY_A_N is open circuit, then light emitting diode does not work, photoelectric coupling
Device does not work, and GPIO_IN interfaces keep the high level of acquiescence.Now, from the Bout interfaces of interchanger not to host exchange
Ain interfaces send information, and the state is the state from interchanger acquiescence normal operation.
(2) when CPU is to GPIO_OUT low levels, triode Q1 Vc<Vb<Ve, emitter junction positively biased, triode ON,
Light emitting diode D1 is lighted, and the coil of electromagnetic relay has electric current to flow through, and produces galvanomagnetic-effect, and armature is inhaled under electromagnetic attracting force
To iron core, the pin 3 and 4 of Fig. 3 repeat circuits is closed, be i.e. RELAY_B_P and the RELAY_B_N closure of terminal J2, then passed through
The terminal J1 of electric wire connection RELAY_A_P and RELAY_A_N closure, the light emitting diode of optocoupler light, light-receiving device (photosensitive half
Conductor tube) receive optical signal after, circuit turn-on, GPIO_IN saltus steps are into low level.Now, it is complete from the Bout interfaces of interchanger
Send information into the Ain interfaces of host exchange, the state be from interchanger exception when the state that alerts.
(3) when CPU sends the binary signal with ASCII codings to GPIO_OUT, expansible more multi-functional, exchange is electromechanical
Source disconnects, restarted, and realizes the dialogue between interchanger.
The present invention mainly realizes a PC from hardware design while monitors more switch functions, first as Fig. 4 is provided
The FB(flow block) of one PC remote monitoring, one router, illustrate the process of information transmission between master and slave interchanger on the whole,
When there is idle or failure from interchanger, by itself Bout interface by Ain interface of the data information transfer to host exchange,
Host exchange is connected with PC, and PC is learnt from interchanger free time or failure by host exchange, and new command information is just passed through master
The Aout interfaces of interchanger are sent to the Bin interfaces from interchanger, so as to complete once complete bidirectional transfer of information control.But
It should be noted that transmitted in both directions is completed by OUT to IN twice, and OUT to IN process be it is unidirectional irreversible, i.e.,
IN to OUT transmission is infeasible.
Further, since interchanger runs far deeper than one or two in computer room, it is above-mentioned when facing more interchangers
One-to-one pattern remote switch machine monitoring is no longer appropriate for, it is necessary to carries out appropriate extension.As shown in figure 5, the supervising device
Including connected PC and host exchange.Wherein, the host exchange includes some to input interface and output interface,
Every a pair input interfaces and output interface can be connected with one from the output interface and input interface of interchanger.It is simple next
Say, the host exchange can be connected with more from interchanger by input/output interface.I.e. described supervising device includes one
The host exchange of host exchange with multiple interfaces, N platforms with two interfaces, N platforms with two interfaces from group of switches
Into two interfaces of A1in, A1out of host exchange are connected with two interfaces of B1out, B1in of host exchange respectively, complete the
One bidirectional remote monitoring transmission.Process as figure 4, i.e., one-to-one pattern, and A2in, A2out of host exchange two connects
Mouth and two interfaces of B2out, B2in from interchanger, complete second bidirectional remote monitoring transmission.Similarly, host exchange is completed
Transmitted with N platforms bidirectional remote monitoring.
In the present embodiment, realize a PC while manage more switch functions, data message between principal and subordinate's interchanger
Transmitted in both directions monitors.From hardware circuit design, using insulating power supply, antijamming capability, anti-lightning strike, security and stably are improved
Property, realize remote monitoring and and be not take up current SWITCH network interface bandwidth.
The present invention realizes a PC from hardware while monitors more switch functions, and circuit is powered with insulating power supply, carried
The antijamming capability of high circuit, and data information transfer is two-way, when there is idle or failure from interchanger, can actively by
Data message feeds back to host exchange, gives PC, and PC is received after interchanger sends information, can lead to new control command
Cross host exchange to send to from interchanger, so as to complete the transmitted in both directions of data, and the design of this hardware circuit is to be not take up working as
The network interface bandwidth of preceding interchanger.
For a person skilled in the art, after reading described above, various changes and modifications undoubtedly will be evident.
Therefore, appended claims should regard whole variations and modifications of the true intention and scope that cover the present invention as.Weighing
Any and all scope and content of equal value, are all considered as still belonging to the intent and scope of the invention in the range of sharp claim.
Claims (10)
1. a kind of input/output interface, including connected input interface and output interface, it is characterised in that the input interface bag
Include：
Insulating power supply module, 12V power supplys are switched into 3.3V power supplies；
Interface module, respectively the output interface with the insulating power supply module and another input/output interface be connected, use
Signal transmission is carried out between the output interface；
Wherein, the interface module includes：Connected the first terminal (J1) and photoelectrical coupler (U2), the first terminal (J1)
First interface be connected by the first inductance (L2) with photophore one end of the photoelectrical coupler (U2)；The first terminal
(J1) second interface is connected by first resistor (R2) with the output end of the insulating power supply module；The photoelectrical coupler
(U2) light-receiving device one end is connected with chip.
2. input/output interface according to claim 1, it is characterised in that the light-receiving device and one first pull-up resistor
(R3) connect.
3. input/output interface according to claim 2, it is characterised in that the interface module also includes the first antistatic
Unit, first antistatic unit include the first electric capacity (C8) and the second electric capacity (C9), one end of first electric capacity (C8)
It is connected with one end of second electric capacity (C9), the other end of first electric capacity (C8) is connected to the first terminal (J1)
Between first interface and first inductance (L2), the other end of second electric capacity (C9) is connected to the first terminal (J1)
Between the first resistor (R2).
4. input/output interface according to claim 1, it is characterised in that described to include what is be sequentially connected from power module
First filter unit, voltage conversion chip U1 and the second filter unit；Wherein, first filter unit and+12V power supply phases
Even.
5. input/output interface according to claim 1, it is characterised in that the output interface includes the be sequentially connected
Two-terminal (J2), relay (U3), light emitting diode (D1) and triode (Q1)；
Wherein, the first interface of the Second terminal (J2) and second interface pass through the 3rd inductance (L4) and the 4th inductance respectively
(L3) it is connected on the relay (U3) stationary contact and movable contact；The diode (D1) and the iron of the relay (U3)
Core is connected；The positive pole of the diode (D1) is connected with the emitter stage of the triode (Q1), and base stage passes through second resistance (R5)
It is connected with chip, grounded collector.
6. input/output interface according to claim 5, it is characterised in that the negative pole of the diode (D1) also connects one
Second pull-up resistor (R4).
7. input/output interface according to claim 5, it is characterised in that the output interface also includes the second antistatic
Unit, second antistatic unit include the 3rd electric capacity (C10) and the 4th electric capacity (C11), and the one of the 3rd electric capacity (C10)
End is connected with one end of the 4th electric capacity (C11), and the other end of the 3rd electric capacity (C10) is connected to the Second terminal
(J2) between first interface and the 3rd inductance (L4), the 4th electric capacity (C11) is connected to the of the Second terminal (J2)
Between two interfaces and the 4th inductance (L3).
8. a kind of switch remote supervising device, it is characterised in that described device includes：
One PC, to carry out remote monitoring to interchanger；
One host exchange, be connected with the PC, to PC and between interchanger carry out signal transmission；
It is some from interchanger, be connected with the host exchange；
Wherein, the host exchange and it is described between interchanger by claim 1-7 any one of input and output
Interface is connected.
9. switch remote supervising device according to claim 8, it is characterised in that the host exchange includes several
The input/output interface, it is described to include an input/output interface from interchanger；The input and output from interchanger
Interface connection corresponding with the input/output interface of the host exchange.
10. switch remote supervising device according to claim 9, it is characterised in that described to be from the number of interchanger
1。
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| CN201510868572.6A CN105467875B (en) | 2015-11-27 | 2015-11-27 | A kind of input/output interface and switch remote supervising device |
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| CN201510868572.6A CN105467875B (en) | 2015-11-27 | 2015-11-27 | A kind of input/output interface and switch remote supervising device |
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| CN105467875B true CN105467875B (en) | 2018-01-02 |
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|---|---|---|---|---|
| JP4434467B2 (en) * | 2000-11-01 | 2010-03-17 | キヤノン株式会社 | User interface control device |
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| US6295479B1 (en) * | 1998-07-01 | 2001-09-25 | Sony Corporation Of Japan | Focus in/out actions and user action pass-through mechanism for panel subunit |
| EP1195664A1 (en) * | 2000-09-27 | 2002-04-10 | ABB PATENT GmbH | Service system with optimizer |
| CN1567816A (en) * | 2003-06-26 | 2005-01-19 | 烽火通信科技股份有限公司 | A remote power feeding equipment having remote control function |
| CN201365259Y (en) * | 2009-01-14 | 2009-12-16 | 闫军因 | Community management system equipment |
| CN102360205A (en) * | 2011-08-10 | 2012-02-22 | 大连三垒机器股份有限公司 | Electric control system of production line of bellows |
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