CN102035614A - Transmitting end-based fault monitoring device - Google Patents
Transmitting end-based fault monitoring device Download PDFInfo
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- CN102035614A CN102035614A CN2009101788213A CN200910178821A CN102035614A CN 102035614 A CN102035614 A CN 102035614A CN 2009101788213 A CN2009101788213 A CN 2009101788213A CN 200910178821 A CN200910178821 A CN 200910178821A CN 102035614 A CN102035614 A CN 102035614A
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Abstract
The invention discloses a transmitting end-based fault monitoring device. The fault monitoring device is connected with the transmitting end of a series system electrical interface. The fault monitoring device comprises an open circuit fault monitoring circuit for monitoring the fault state of the series system electrical interface due to open circuit and a short circuit fault monitoring circuit for monitoring the fault state of the series system electrical interface due to short circuit. According to the technical scheme provided by the invention, the fault monitoring device solves the problem of certain difficulty in actual fault examination because the transmitting end equipment in the related technology cannot directly detect the fault and only can judge the fault by indirectly depending on back insert alarm of receiving end equipment, further can realize on-line monitoring of the fault based on the transmitting end, is convenient for interface alarm analysis, and reduces resource consumption.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of fault monitoring device based on transmitting terminal.
Background technology
At communication technical field, regular meeting uses serial system electrical interface, relates to a large amount of interface butt joint and alert analysis and handles.No matter be beginning or plant maintenance, the interface alert analysis is handled and has all been expended the lot of manpower and material resources resource.
With the E1 electrical interface is example, and the main alarm that relates to comprises: dropout (LOS), OOF (LOF), alarm indication signal (AIS), remote alarm index signal (RAI or RDI).Wherein, each warning relation specifically can be referring to Fig. 1.
Each concerns schematic diagram between mainly alarming to Fig. 1 for serial system interface.Shown in the top diagrammatic sketch among Fig. 1, equipment B detects signal LOS or the LOF from C, sends signal AIS to device A afterwards, and equipment B sends signal RDI to equipment C.So that equipment C is known the signal that the abnormal receiving equipment C of equipment B sends.In like manner, shown in the following diagrammatic sketch among Fig. 1, equipment B detects signal LOS or the LOF from A, sends signal RDI to device A, so that device A is known the signal that the abnormal receiving equipment A of equipment B sends.
Obviously, dropout (LOS) is meant when receiving device does not detect signal, receiving device self is complained to dropout (LOS) alarm, and one of reason that causes this alarm is exactly that transmission path opens circuit, transmission path short circuit, the output of the fault of making a start no signal, impedance do not match etc.Yet in the existing system, the equal failed call of standard is made a start and is directly monitored this type of fault both at home and abroad, the also equal secundum legem equipment of known main flow producer, sending ending equipment can't directly be found out this type of fault, can only rely on returning of receiving device to insert alarm indirectly judges, promptly passing through back slotting remote alarm index signal (RAI or RDI) judges, as shown in Figure 1, under unavoidable situation, need do the loopback of software or hardware in many places such as transmission equipment, DDF framves, to confirm the reason of fault, this will inevitably cause certain difficulty to the physical fault investigation.
Summary of the invention
Can't directly find out fault at sending ending equipment in the correlation technique, can only rely on returning of receiving device to insert alarm indirectly judges, cause the physical fault investigation to produce the problem of certain difficulty and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of improved fault monitoring device and method based on transmitting terminal, one of to address the above problem at least.
According to the present invention, provide a kind of fault monitoring device based on transmitting terminal.
According to the fault monitoring device based on transmitting terminal of the present invention, be connected with the transmitting terminal of serial system electrical interface, this fault monitoring device comprises: the open fault observation circuit is used to monitor serial system electrical interface because of the malfunction former thereby that cause of opening a way; The short trouble observation circuit is used to monitor the malfunction that serial system electrical interface is former because of short circuit thereby cause.
By the present invention, a kind of fault monitoring device based on transmitting terminal is provided, monitor serial system electrical interface and reduce state because of open a way transmitting terminal output voltage amplitude lifting state or transmitting terminal output voltage amplitude former because of short circuit thereby that cause former thereby that cause, solve in the correlation technique sending ending equipment and can't directly find out fault, can only rely on returning of receiving device to insert alarm indirectly judges, cause the physical fault investigation to produce the problem of certain difficulty, and then can realize the on-line monitoring of fault based on transmitting terminal, the Convenient interface alert analysis reduces resource cost.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Each concerns schematic diagram between mainly alarming to Fig. 1 for serial system interface;
Fig. 2 is the communication system architecture figure that comprises fault monitoring device according to the embodiment of the invention;
Fig. 3 is according to the preferred embodiment of the invention based on the structural representation of the fault monitoring device of transmitting terminal;
Fig. 4 is for comprising the structural representation of the communication system of fault monitoring device according to the preferred embodiment of the invention.
Embodiment
Functional overview
Consider that sending ending equipment can't directly be found out fault in the correlation technique, can only rely on returning of receiving device to insert alarm indirectly judges, cause the physical fault investigation to produce the problem of certain difficulty, the embodiment of the invention provides a kind of fault monitoring device based on transmitting terminal, this fault monitoring device is connected with the transmitting terminal of serial system electrical interface, at the on-line monitoring of transmitting terminal realization to fault.Wherein, this fault monitoring device comprises: the open fault observation circuit is used to monitor the state of serial system electrical interface because of open a way former thereby the transmitting terminal output voltage amplitude lifting that causes; The short trouble observation circuit is used to monitor the state that serial system electrical interface is former because of short circuit thereby transmitting terminal output voltage amplitude that cause reduces.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Device embodiment
According to the embodiment of the invention, provide a kind of fault monitoring device based on transmitting terminal.
In order clearly to describe the present invention, at first comprise the communication system architecture of fault monitoring device in conjunction with Fig. 2 introduction.
Fig. 2 is the communication system architecture figure that comprises fault monitoring device according to the embodiment of the invention.As shown in Figure 2, communication system architecture comprises: the sending ending equipment 2 of fault monitoring device 1, serial system electrical interface, the receiving device 3 of serial system electrical interface, wherein, this fault monitoring device 1 is connected with the sending ending equipment 2 of serial system electrical interface, fault monitoring device 1 can be used at transmitting terminal serial system electrical interface being monitored in real time, fault monitoring device 1 is a kind of on-Line Monitor Device, it is the part of interface circuit, in the monitoring fault and when providing faulty indication, the normal use that this monitoring device can docking port has any impact.
Preferably, fault monitoring device 1 may further include: open fault observation circuit 10, short trouble observation circuit 12, and wherein, open fault observation circuit 10 is used to monitor serial system electrical interface because of the malfunction former thereby that cause of opening a way; Short trouble observation circuit 12 is used to monitor the malfunction that serial system electrical interface is former because of short circuit thereby cause.
Open fault observation circuit and short trouble observation circuit include: electric voltage observation circuit; Wherein, the electric voltage observation circuit that the open fault observation circuit comprises is used to monitor the state of serial system electrical interface because of open a way former thereby the transmitting terminal output voltage amplitude lifting that causes; The electric voltage observation circuit that the short trouble observation circuit comprises is used to monitor the state that serial system electrical interface is former because of short circuit thereby transmitting terminal output voltage amplitude that cause reduces.
Preferably, electric voltage observation circuit comprises: at least two divider resistances are used for the transmitting terminal output voltage is carried out dividing potential drop; At least one input resistance is used at least two divider resistance voltage after partial are inputed to the base stage of triode; Triode is used for realizing conducting or non-conduction state according to the input voltage of base stage.
Preferably, different in the electric voltage observation circuit of open fault observation circuit with the resistance of resistance on the correspondence position in the electric voltage observation circuit of short trouble observation circuit.
Preferably, at least two divider resistances all adopt a kilo-ohm level resistance.
Preferably, above-mentioned open fault observation circuit 10 and short trouble observation circuit 12 include: indicating member is used for producing indication information according to the malfunction of serial system electrical interface.
Preferably, open fault observation circuit 10 comprises an indicating member, is used for producing indication information according to the open fault state of serial system electrical interface.The short trouble observation circuit also comprises an indicating member, is used for producing indication information according to the short trouble state of serial system electrical interface.
In specific implementation process, preferably, the circuit structure of open fault observation circuit 10 and the indicating member correspondence that short trouble observation circuit 12 comprises can be identical, also can be different.For example, if adopt identical circuit structure, indicating member can comprise: the state display module, one or more current-limiting resistances, direct voltage source, wherein, the state display module is used to show the state information of serial system electrical interface, wherein, this state information comprises: normal state information, open circuit or short-circuit condition information; One or more current-limiting resistances, direct voltage source are used under the situation of triode conducting, form the loop with state display module, triode, to indicate the state of serial system electrical interface.
Preferably, the state display module includes but not limited to: light-emitting diode.Where necessary, can also adopt logic chip etc.
Fig. 3 is according to the preferred embodiment of the invention based on the structural representation of the fault monitoring device of transmitting terminal.As shown in Figure 3, according to the preferred embodiment of the invention based on the fault monitoring device of transmitting terminal can be for the open fault observation circuit, also can be the short trouble observation circuit, above-mentioned two circuit can adopt identical circuit structure, below are that example is described in detail with the open fault observation circuit.
For example, employing circuit structure as shown in Figure 3.This open fault circuit comprises: indicating member and electric voltage observation circuit, wherein, indicating member comprises following components and parts: a light-emitting diode D1, current-limiting resistance R7, a current source V2.Electric voltage observation circuit comprises: divider resistance R4, R5, input resistance R6, a triode Q1.
Wherein, the open circuit voltage observation circuit is used to monitor the voltage lifting of making a start that causes because of open circuit.During the transmission path open circuit, have total reflection, one times of the about lifting of the voltage that the high resistant pattern of making a start is measured, the open circuit voltage observation circuit is monitored based on this.The open circuit voltage observation circuit places the transformer secondary output position of making a start.Originating terminal signal is controlled ground level and the emitter of triode Q1 after resistance R 4, R5 dividing potential drop, the turn-on threshold of utilizing triode is as monitoring the foundation of whether opening a way.During the transmission path open circuit, about one times of the voltage amplitude lifting of making a start, as can be known non-constant according to HDB3 coding and transmission signal clock cycle with respect to the line reflection time, make a start and one short period of every interval the about one times positive level of amplitude lifting to occur, triode G1 stage (having certain periodicity) conducting; Transmission path just often, the voltage amplitude of making a start is normal, triode G1 not conducting always this moment; In addition, transmission path does not match and causes reflex time, also may cause the voltage amplitude lifting, and then triode G1 conducting.When introducing observation circuit, exceed standard in order not cause the impedance variation of making a start, the resistance of aforementioned resistance should be enough big, and as for system impedance is 75 Europe, requiring the system impedance scope is 75 ± 3 Europe, so R4, R5 should select the resistance of kilo-ohm level.
Preferably, after the divider resistance of the open circuit voltage observation circuit that above-mentioned practice mode is described is made suitable modification, can be used for the short-circuit voltage monitoring of situations such as transmission path short circuit.The resistance that is about to R4, R5 is allocated.When transmission path, local terminal equipment and the equal fault-free of opposite equip., promptly make a start voltage just often, the interim conducting of triode; When reasons such as transmission path short circuit cause making a start the voltage amplitude reduction, triode not conducting always.In addition, transmission path does not match and causes reflex time, also may cause voltage amplitude to reduce, and then not conducting of triode G1.
Preferably, indicating circuit is used for fault is provided information.Indicating circuit and open circuit (or short circuit) electric voltage observation circuit is associated by triode Q1.Indicating circuit places the transformer secondary output position of making a start.During triode G1 conducting, direct voltage source V2, current-limiting resistance R7, Light-Emitting Diode D1, the loop conducting that triode G1 forms, diode is lighted; Not conducting of triode G1, direct voltage source V2, current-limiting resistance R7, Light-Emitting Diode D1, the not conducting of loop that triode G1 forms, diode is not lighted.Open circuit or short-circuit voltage observation circuit can cooperate different indicating circuits to use.In addition, Light-Emitting Diode D1 only is a kind of display format, also can not use Light-Emitting Diode, and use other modes to realize, for example, logic chip.
Fig. 4 is for comprising the structural representation of the communication system of fault monitoring device according to the preferred embodiment of the invention.As shown in Figure 4, this communication system only shows a set of fault testing circuit, in specific implementation process, in order to monitor open circuit or short-circuit condition, need be (as shown in Figure 4 at the transmitting terminal of serial system electrical interface, transmitting terminal comprises following components and parts: current source V1, resistance R 1, R2, and transformer TX1) connect two set of fault testing circuits, a cover is the short trouble observation circuit for open fault observation circuit, a cover.Wherein, failure detector circuit can repeat no more referring to the description among Fig. 3 herein.
In sum, by the above embodiment of the present invention, the fault monitoring device scheme based on transmitting terminal that provides can realize the on-line monitoring of fault based on transmitting terminal, has made things convenient for the interface alert analysis to handle, and has reduced human and material resources and has expended.And this scheme realize simple, be easy to use, can not increase too many cost and development difficulty.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the fault monitoring device based on transmitting terminal is characterized in that, described fault monitoring device is connected with the transmitting terminal of serial system electrical interface, and described fault monitoring device comprises:
The open fault observation circuit is used to monitor described serial system electrical interface because of the malfunction former thereby that cause of opening a way;
The short trouble observation circuit is used to monitor the malfunction that described serial system electrical interface is former because of short circuit thereby cause.
2. device according to claim 1 is characterized in that, described open fault observation circuit and described short trouble observation circuit include: electric voltage observation circuit; Wherein,
The electric voltage observation circuit that described open fault observation circuit comprises is used to monitor the state of described serial system electrical interface because of open a way former thereby the transmitting terminal output voltage amplitude lifting that causes;
The electric voltage observation circuit that described short trouble observation circuit comprises is used to monitor the state that described serial system electrical interface is former because of short circuit thereby transmitting terminal output voltage amplitude that cause reduces.
3. device according to claim 2 is characterized in that, described electric voltage observation circuit comprises:
At least two divider resistances are used for described transmitting terminal output voltage is carried out dividing potential drop;
At least one input resistance is used for described at least two divider resistance voltage after partial are inputed to the base stage of triode;
Described triode is used for realizing conducting or non-conduction state according to the input voltage of base stage.
4. device according to claim 3 is characterized in that,
Different in the electric voltage observation circuit of described open fault observation circuit with the resistance of resistance on the correspondence position in the electric voltage observation circuit of described short trouble observation circuit.
5. device according to claim 4 is characterized in that,
Described at least two divider resistances all adopt a kilo-ohm level resistance.
6. according to each described device in the claim 3 to 5, it is characterized in that described open fault observation circuit and described short trouble observation circuit all also comprise:
Indicating member is connected by described triode with described electric voltage observation circuit, is used for producing indication information according to the malfunction of described serial system electrical interface.
7. device according to claim 6 is characterized in that,
Described indicating member comprises: state display module, one or more current-limiting resistances, triode, direct voltage source; Wherein,
Described state display module is used to show the state information of described serial system electrical interface, and wherein, described state information comprises: normal state information, open circuit or short-circuit condition information;
Described one or more current-limiting resistance, described direct voltage source are used under the situation of described triode conducting, form the loop with described state display module, described triode, to indicate the state of described serial system electrical interface.
8. device according to claim 7 is characterized in that,
Described state display module comprises: light-emitting diode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910178821.3A CN102035614B (en) | 2009-09-27 | 2009-09-27 | Transmitting end-based fault monitoring device |
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| CN200910178821.3A CN102035614B (en) | 2009-09-27 | 2009-09-27 | Transmitting end-based fault monitoring device |
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| CN102035614A true CN102035614A (en) | 2011-04-27 |
| CN102035614B CN102035614B (en) | 2014-12-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108375180A (en) * | 2018-03-14 | 2018-08-07 | 珠海格力电器股份有限公司 | A kind of interface duplex system and method for air-conditioner controller |
| CN109459635A (en) * | 2018-11-09 | 2019-03-12 | 杭州妙娱科技有限公司 | Reality-virtualizing game equipment fault monitoring method and device |
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| CN2453616Y (en) * | 2000-11-21 | 2001-10-10 | 张斌 | Means for automatic monitoring fault of program control telephone communication network |
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| CN102035614B (en) | 2014-12-10 |
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