CN103856338A - Automatic bypass device and method for tandem connection of communication device - Google Patents
Automatic bypass device and method for tandem connection of communication device Download PDFInfo
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- CN103856338A CN103856338A CN201210510388.0A CN201210510388A CN103856338A CN 103856338 A CN103856338 A CN 103856338A CN 201210510388 A CN201210510388 A CN 201210510388A CN 103856338 A CN103856338 A CN 103856338A
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Abstract
The invention discloses an automatic bypass device for tandem connection of a communication device. The communication device is a communication service processing device. The automatic bypass device comprises an automatic bypass unit and a relay, wherein the relay comprises a pair of normally-opened contacts for a bypass and a pair of normally-closed contacts for connecting the communication device into a communication line of a communication network in a tandem mode. The automatic bypass unit is connected with the communication device and the relay, is used for detecting the state of the communication device in real time and controlling the relay to make the communication device bypassed and sending reset signals to the communication device when the communication device is abnormal, and is used for controlling the relay to connect the communication device into the communication line in a tandem mode when the communication device is normal, and then it is maintained that the communication device is switched on and always in the switched-on state, and the network is not affected.
Description
Technical field
The present invention relates to Control on Communication field, relate in particular to a kind of for being connected in series automatic bypass device and the method for communication equipment, specifically, in the time that the communication equipment being connected in series in communication line causes work undesired due to a variety of causes, can identify immediately and auto by pass, continue to keep communication line to connect, to ensure the safe operation of communication network.
Background technology
At present, in order to ensure the normal work of the communication equipment in communication network, when the communication equipment connecting in communication line breaks down, the following three kinds of modes of general employing ensure the safe operation of communication network:
Mode 1: control desk is reported to the police, makes communication line straight-through by network remote control, and remote command makes the processor in this communication equipment send relay closes order, thereby bypasses this serial connection communication equipment;
Mode 2: the processor in communication equipment is found line fault automatically, sends relay closes order, thereby bypasses this serial connection communication equipment, makes communication line straight-through;
Mode 3: communication equipment is carried out to power-off, and after electricity, relay can be automatically closed, thereby bypass this serial connection equipment, makes communication line straight-through.
But, in above-mentioned first method, communication equipment is all connecting control network, once this network interface generation broadcast storm, can cause CPU(processor) high load capacity, and then make CPU receive and process communication data undesired, thereby cause communication disruption, at this moment remote control terminal can because network storm reason cannot send control relay close commands;
In above-mentioned second method, undesired when the processor work in communication equipment, also cannot send the automatic closing relay of instruction, realize communication line straight-through;
In above-mentioned the third method, in the time that the processor work in communication equipment is undesired, recover communication, need manual power-off bypass, the machine room of sending someone is operated a switch, finding that fault all can interrupt to the communication of user in the power-off during this period of time of operating a switch.
Summary of the invention
The object of the present invention is to provide a kind of for being connected in series automatic bypass device and the automatic pass-by method thereof of communication equipment, when the communication equipment connecting in communication line occurs when abnormal, this device of bypass immediately, thereby keep communication line to connect, make communication line always in on-state, and network is not exerted an influence.
The technical scheme that realizes above-mentioned purpose is:
One of the present invention for being connected in series the automatic bypass device of communication equipment, described communication equipment is device for processing communication services, described automatic bypass device comprises auto by pass unit and relay, wherein:
Described relay, comprises a pair of normally opened contact for bypass and a pair of for by the normally-closed contact of the communication line of described communication equipment string access communication network;
Described auto by pass unit, connects respectively described communication equipment and relay, detects in real time the state of described communication equipment, controls described relay by described communication equipment bypass, and send reset signal to described communication equipment in the time that described communication equipment is abnormal; In the time that described communication equipment is normal, controlling described relay is connected in series described communication equipment into communication line.
Above-mentioned for being connected in series the automatic bypass device of communication equipment, wherein, described auto by pass unit judges that by detecting the heartbeat signal of described communication equipment whether described communication equipment is normal; Described communication equipment is by I/O(I/O) port is with specified time interval outputs level signals, realize described heartbeat signal, or described communication equipment is write register manipulation to described auto by pass unit with specified time interval by bus, realizes described heartbeat signal.
Above-mentioned for being connected in series the automatic bypass device of communication equipment, wherein, described auto by pass unit is by CPU(Central Processing Unit, central processing unit), MCU(Micro Control Unit, microprocessor) or PLD(Programmable Logic Device, programmable logic device, as FPGA, CPLD) realize.
Above-mentioned for being connected in series the automatic bypass device of communication equipment, wherein, described bus is parallel bus (the Local Bus of such as PowerPC) or universal serial bus (such as I 2C, SPI etc.).
The automatic pass-by method of the present invention's two the described automatic bypass device based on one of the present invention, comprises the following steps:
Step S1, described communication equipment sends heartbeat signal with specified time interval, and described auto by pass unit receives described heartbeat signal in real time;
Can step S2, detect described auto by pass unit and receive described heartbeat signal, if can, judge that described communication equipment is normal, return to step S1; If can not, judge that described communication equipment is abnormal, enter step S3;
Step S3, described auto by pass unit send relay control signal give described relay, its described a pair of normally-closed contact is opened, described a pair of normally opened contact closure, thereby by described a pair of normally opened contact by described communication equipment bypass;
Step S4, described auto by pass unit sends reset signal to described communication equipment, and communication equipment is resetted, and again sends heartbeat signal;
Can step S5, again detect described auto by pass unit and receive described heartbeat signal, if not, returns to step S4; If can, enter step S6;
Step S6, described auto by pass unit sends relay control signal to described relay, makes its described a pair of normally-closed contact closure, and described a pair of normally opened contact is opened, thereby by described a pair of normally-closed contact, described communication equipment is connected in series into communication line, returns to step S1.
Above-mentioned automatic pass-by method, wherein, described communication equipment passes through I/O port with specified time interval outputs level signals, realize described heartbeat signal, or described communication equipment is write register manipulation to described auto by pass unit with specified time interval by bus, realizes described heartbeat signal.
Above-mentioned automatic pass-by method, wherein, described bus is parallel bus or universal serial bus.
Above-mentioned automatic pass-by method, wherein, described auto by pass unit is realized by CPU, MCU or PLD.
The invention has the beneficial effects as follows: the present invention is with the maximum difference of traditional serial connection communication equipment fault recovery technology: the communication equipment of serial connection occurs when abnormal, bypass serial connection communication equipment in the line, automatically connect the communication line that serial connection communication equipment both sides connect, cannot remote control while having avoided abnormal such as the processor in communication equipment, cannot be from dynamic response, the manual problem such as power-off bypass and cause the interruption to signaling link, make communication line always in on-state, and network is not exerted an influence.Meanwhile, the present invention automatically resets by reset enable signal communication equipment, avoids manual operation, has good implementation, has avoided the potential safety hazard causing due to communication equipment fault completely.
Accompanying drawing explanation
Fig. 1 is the structure chart of one of the present invention's automatic bypass device;
Fig. 2 is the flow chart of the present invention's two automatic pass-by method.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, communication equipment 1 is serially connected in the communication line of communication network, is serially connected between first game method, apparatus 100 and second game's method, apparatus 101, and in the present embodiment, communication equipment 1 is device for processing communication services.
One of the present invention's automatic bypass device 2 comprises auto by pass unit 21 and relay 22, wherein,
Auto by pass unit 21 connects respectively processor 11 and relay 22, auto by pass unit 21 detects the state of communication equipment 1 in real time, being auto by pass unit 21 judges that take the heartbeat signal that can receive communication equipment 1 as standard communication equipment 1 is normal, otherwise judges that communication equipment 1 is abnormal; In the time that communication equipment 1 is abnormal, auto by pass unit 21 control relays 22 are by communication equipment 1 bypass, send relay control signal to relay 22, normally-closed contact B1 and B2 are opened, normally opened contact A1 and A2 closure, thus make the communication line signal of first game method, apparatus 100 directly arrive second game's method, apparatus 101, simultaneously, auto by pass unit 21 sends reset signal to communication equipment 1, and communication equipment 1 is resetted; In the time that communication equipment 1 is normal, auto by pass unit 21 control relays 22 are connected in series communication equipment 1 into communication line, send relay control signal to relay 22, make normally-closed contact B1 and B2 closure, normally opened contact A1 and A2 open, thereby make the communication line signal of first game method, apparatus 100 send to second game's method, apparatus 101 after communication equipment 1 is processed.
In the present embodiment, auto by pass unit 21 is realized by CPU, MCU or PLD, communication equipment 1 passes through its I/O port with specified time interval outputs level signals, realize above-mentioned heartbeat signal, for example: every the high level of one 1 millisecond of output in 2 seconds, then output low level, auto by pass unit 21 within a certain period of time (for example 5 seconds) detects this high level signal, just think communication equipment 1 normal operation, otherwise just think communication equipment 1 operation exception, or, communication equipment 1 is by parallel bus (Local Bus bus etc.) or universal serial bus (I2C bus, spi bus etc.) auto by pass unit 21(is mainly referred to its built-in register) write register manipulation with specified time interval, realize above-mentioned heartbeat signal, for example: by Local Bu s bus, the buses such as I2C bus or SPI, every 2 seconds, the built-in register of auto by pass unit 21 is carried out to write operation, auto by pass unit 21 within a certain period of time (for example 5 seconds) detects that built-in register was write, just think communication equipment 1 normal operation, otherwise just think communication equipment 1 operation exception.
Refer to Fig. 2, the automatic pass-by method of the present invention's two the automatic bypass device based on one of the present invention 2, comprises the following steps:
Step S1, communication equipment 1 sends heartbeat signal with specified time interval, and auto by pass unit 21 receives described heartbeat signal in real time;
Can step S2, detect auto by pass unit 21 and receive described heartbeat signal, if can, judge that communication equipment 1 is normal, return to step S1; If can not, judge that communication equipment 1 is abnormal, enter step S3;
Step S3, auto by pass unit 21 sends relay control signal to relay 22, its a pair of normally-closed contact B1 and B2 are opened, a pair of normally opened contact A1 and A2 closure, thereby by a pair of normally opened contact A1 and A2 by communication equipment 1 bypass, thereby keep communication line to connect, and network is not exerted an influence;
Step S4, auto by pass unit 21 sends reset signal to communication equipment 1, and the place's of making communication equipment 1 resets, and again sends heartbeat signal;
Can step S5, again detect auto by pass unit 21 and receive described heartbeat signal, if not, returns to step S4; If can, enter step S6;
Step S6, auto by pass unit 21 sends relay control signal to relay 22, makes its a pair of normally-closed contact B1 and B2 closure, and a pair of normally opened contact A1 and A2 open, thereby by a pair of normally-closed contact B1 and B2, communication equipment 1 is connected in series into communication line, then returns to step S1.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (8)
1. for being connected in series an automatic bypass device for communication equipment, described communication equipment is device for processing communication services, it is characterized in that, described automatic bypass device comprises auto by pass unit and relay, wherein,
Described relay, comprises a pair of normally opened contact for bypass and a pair of for by the normally-closed contact of the communication line of described communication equipment string access communication network;
Described auto by pass unit, connects respectively described communication equipment and relay, detects in real time the state of described communication equipment, controls described relay by described communication equipment bypass, and send reset signal to described communication equipment in the time that described communication equipment is abnormal; In the time that described communication equipment is normal, controlling described relay is connected in series described communication equipment into communication line.
2. according to claim 1ly it is characterized in that for being connected in series the automatic bypass device of communication equipment, described auto by pass unit judges that by detecting the heartbeat signal of described communication equipment whether described communication equipment is normal; Described communication equipment passes through I/O port with specified time interval outputs level signals, realize described heartbeat signal, or described communication equipment is write register manipulation to described auto by pass unit with specified time interval by bus, realizes described heartbeat signal.
3. according to claim 1 and 2ly it is characterized in that for being connected in series the automatic bypass device of communication equipment, described auto by pass unit is realized by CPU, MCU or PLD.
4. according to claim 2ly it is characterized in that for being connected in series the automatic bypass device of communication equipment, described bus is parallel bus or universal serial bus.
5. the automatic pass-by method based on automatic bypass device described in claim 1, is characterized in that, comprises the following steps:
Step S1, described communication equipment sends heartbeat signal with specified time interval, and described auto by pass unit receives described heartbeat signal in real time;
Can step S2, detect described auto by pass unit and receive described heartbeat signal, if can, judge that described communication equipment is normal, return to step S1; If can not, judge that described communication equipment is abnormal, enter step S3;
Step S3, described auto by pass unit send relay control signal give described relay, its described a pair of normally-closed contact is opened, described a pair of normally opened contact closure, thereby by described a pair of normally opened contact by described communication equipment bypass;
Step S4, described auto by pass unit sends reset signal to described communication equipment, and communication equipment is resetted, and again sends heartbeat signal;
Can step S5, again detect described auto by pass unit and receive described heartbeat signal, if not, returns to step S4; If can, enter step S6;
Step S6, described auto by pass unit sends relay control signal to described relay, makes its described a pair of normally-closed contact closure, and described a pair of normally opened contact is opened, thereby by described a pair of normally-closed contact, described communication equipment is connected in series into communication line, returns to step S1.
6. automatic pass-by method according to claim 5, it is characterized in that, described communication equipment passes through I/O port with specified time interval outputs level signals, realize described heartbeat signal, or described communication equipment is write register manipulation to described auto by pass unit with specified time interval by bus, realizes described heartbeat signal.
7. automatic pass-by method according to claim 6, is characterized in that, described bus is parallel bus or universal serial bus.
8. according to the automatic pass-by method described in claim 5 or 6, it is characterized in that, described auto by pass unit is realized by CPU, MCU or PLD.
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| CN201210510388.0A CN103856338A (en) | 2012-12-03 | 2012-12-03 | Automatic bypass device and method for tandem connection of communication device |
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| CN201210510388.0A CN103856338A (en) | 2012-12-03 | 2012-12-03 | Automatic bypass device and method for tandem connection of communication device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108965314A (en) * | 2018-08-01 | 2018-12-07 | 湖南中云飞华信息技术有限公司 | Network communication device based on Feiteng processor |
| CN111049742A (en) * | 2019-12-17 | 2020-04-21 | 南京南瑞继保电气有限公司 | Telemechanical channel message mirroring device supporting automatic bypass function and control method thereof |
| CN113259183A (en) * | 2021-07-05 | 2021-08-13 | 北京简网科技有限公司 | Network relay control method and device, electronic equipment and storage medium |
| CN114896181A (en) * | 2022-05-06 | 2022-08-12 | 北京乐研科技股份有限公司 | Hardware bypass circuit and method based on prediction classification and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108965314B (en) * | 2018-08-01 | 2021-06-11 | 湖南中易利华信息技术有限公司 | Network communication device based on Feiteng processor |
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| CN113259183A (en) * | 2021-07-05 | 2021-08-13 | 北京简网科技有限公司 | Network relay control method and device, electronic equipment and storage medium |
| CN113259183B (en) * | 2021-07-05 | 2021-09-21 | 北京简网科技有限公司 | Network relay control method and device, electronic equipment and storage medium |
| CN114896181A (en) * | 2022-05-06 | 2022-08-12 | 北京乐研科技股份有限公司 | Hardware bypass circuit and method based on prediction classification and electronic equipment |
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