CN103560827A - Fault detection method and device - Google Patents
Fault detection method and device Download PDFInfo
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- CN103560827A CN103560827A CN201310493805.XA CN201310493805A CN103560827A CN 103560827 A CN103560827 A CN 103560827A CN 201310493805 A CN201310493805 A CN 201310493805A CN 103560827 A CN103560827 A CN 103560827A
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Abstract
The invention discloses a fault detection method and device, and belongs to the technical field of communication. The fault detection method is applied to combined wave and partial wave systems and includes the steps of obtaining receiving light power of at least one receiving light module and at least two kinds of light power in sending light power, sending total light power and receiving total light power of at least one sending light module in the light signal transmitting process, respectively judging whether the obtained various kinds of light power are normal when a fault happens, and determining the position where a fault point is located according to the judging results of the various kinds of light power. When the fault happens, the fault detection method can be used for determining the position where the fault point is located by judging whether the obtained various kinds of light power are normal, solves the problem that passive components can not carry out fault positioning, achieves automation of fault positioning, greatly reduces workload due to the fact that manual detection is not needed, reduces maintenance cost, improves fault removal speed and improves system performance.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of fault detection method and device.
Background technology
In employing, close in the networking of partial wave system, can adopt multichannel WDM(Wavelength Division Multiplexing, wavelength division multiplexing) optical module, pass through MUX(Multiplexing, multiplexer) optical multiplexed signal of different wave length is combined to (closing ripple), and transmit by an optical fiber, again by DEMUX(De Multiplexing, Wave decomposing multiplexer) by the light signal of different wave length in the signal of this transmission separated (partial wave), realized the light signal of different wave length has been coupled to the object of transmitting in same optical fiber.
In realizing process of the present invention, inventor finds that prior art at least exists following problem:
Because MUX and DEMUX are passive, cannot carry out fault location, and because optical module interface is more, the probability that the faults such as interface is dirty, tail optical fiber is aging are occurred is larger, and when breaking down, due to cannot fault location, need each may produce location of fault inspection, complex operation, the overlong time of fixing a breakdown and needing, has affected systematic function.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the present invention provides a kind of fault detection method and device.Described technical scheme is as follows:
First aspect, provides a kind of fault detection method, for closing partial wave system, described in close partial wave system and comprise that at least one sends optical module, at least one receives optical module, multiplexer MUX, Wave decomposing multiplexer DEMUX, described method comprises:
Obtain received optical power, the transmitting optical power of described at least one transmission optical module, the transmission total optical power of described at least one the reception optical module in optical signal transmission process and receive at least two kinds of luminous powers in total optical power;
When breaking down, whether the various luminous powers that get described in judgement are respectively normal;
According to the judged result to described various luminous powers, localization of faults position.
In conjunction with first aspect, in the first of first aspect may implementation, obtain in optical signal transmission process described at least one receive optical module received optical power, described at least one send optical module transmitting optical power, send total optical power and at least two kinds of luminous powers receiving in total optical power comprise:
From the output optical signal of described MUX, separate the first light signal of default splitting ratio;
The luminous power of described the first light signal is retrieved as to described transmission total optical power.
In conjunction with first aspect, in the second of first aspect may implementation, obtain in optical signal transmission process described at least one receive optical module received optical power, described at least one send optical module transmitting optical power, send total optical power and at least two kinds of luminous powers receiving in total optical power comprise:
From the input optical signal of described DEMUX, separate the second light signal of described default splitting ratio;
The luminous power of described the second light signal is retrieved as to described reception total optical power.
In conjunction with first aspect, in the third possibility implementation of first aspect, every kind of luminous power is to there being preset range, and when breaking down, whether the various luminous powers that get described in judgement respectively normally comprise:
When breaking down, whether the various luminous powers that get described in judgement respectively belong to corresponding preset range;
When any luminous power belongs to corresponding preset range, the luminous power that belongs to corresponding preset range described in determining is normal; Or,
When described any luminous power does not belong to corresponding preset range, determine that the luminous power of the preset range that does not belong to corresponding is abnormal.
In conjunction with first aspect, in the 4th kind of possibility implementation of first aspect, according to the judged result to described various luminous powers, localization of faults position comprises:
When determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, localization of faults position; Or,
When definite normal, described reception total optical power of described transmission total optical power is abnormal, determine that described fault point is on the optical fiber between described MUX and described DEMUX; Or,
When determining that normal, the described appointment of described reception total optical power receives that the received optical power of optical module is abnormal and other receive the received optical power of optical modules when normal, determine that described fault point is positioned at described DEMUX and exports the circuit that described appointment receives optical module to, it is any the reception optical module in described at least one reception optical module that described appointment receives optical module; Or,
When a plurality of received optical powers in determining normal, described each received optical power of described reception total optical power are abnormal, determine that described fault point is positioned at the incoming line of described DEMUX.
The 4th kind of possibility implementation in conjunction with first aspect, in the 5th kind of possibility implementation of first aspect, when determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, and localization of faults position comprises:
When determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, by adjustment, send the on off state of optical module, obtain a plurality of transmission total optical powers under different on off states;
When determine a plurality of transmission total optical powers that get when specifying transmission optical module in opening, all a plurality of transmission total optical powers abnormal and that get when described appointment sends optical module in closed condition are all normal, determine that described fault point is positioned at described appointment and sends the circuit that optical module is sent to described MUX, it is any the transmission optical module in described at least one transmission optical module that described appointment sends optical module; Or,
When determining that to send by adjustment a plurality of transmission total optical powers that the on off state of optical module gets all abnormal, determine that described fault point is positioned at the outlet line of described MUX.
Second aspect, provides a kind of failure detector, and described device comprises:
Luminous power acquisition module, for obtain optical signal transmission process described at least one receive optical module received optical power, described at least one send optical module transmitting optical power, send total optical power and receive at least two kinds of luminous powers in total optical power;
Judge module, for when breaking down, whether the various luminous powers that get described in judgement are respectively normal;
Locating module, the judged result for basis to described various luminous powers, localization of faults position.
In conjunction with second aspect, in the first possibility implementation of second aspect, described luminous power acquisition module comprises:
The first spectrophotometric unit, separates the first light signal of presetting splitting ratio for the output optical signal from described MUX;
The first total optical power acquiring unit, for being retrieved as the luminous power of described the first light signal described transmission total optical power.
In conjunction with second aspect, in the second possibility implementation of second aspect, described luminous power acquisition module comprises:
The second spectrophotometric unit, separates the second light signal of described default splitting ratio for the input optical signal from described DEMUX;
The second total optical power acquiring unit, for being retrieved as the luminous power of described the second light signal described reception total optical power.
In conjunction with second aspect, in the third possibility implementation of second aspect, every kind of luminous power is to there being preset range, and described judge module is for when breaking down, and whether the various luminous powers that get described in judgement respectively belong to corresponding preset range; When any luminous power belongs to corresponding preset range, the luminous power that belongs to corresponding preset range described in determining is normal; Or, when described any luminous power does not belong to corresponding preset range, determine that the luminous power of the preset range that does not belong to corresponding is abnormal.
In conjunction with second aspect, in the 4th kind of possibility implementation of second aspect, described locating module comprises:
The first positioning unit, for when determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, localization of faults position; Or,
The second positioning unit, for when definite normal, described reception total optical power of described transmission total optical power is abnormal, determines that described fault point is on the optical fiber between described MUX and described DEMUX; Or,
The 3rd positioning unit, when normal for the received optical power received optical power abnormal and other reception optical modules when normal, the described appointment reception of definite described reception total optical power optical module, determine that described fault point is positioned at described DEMUX and exports the circuit that described appointment receives optical module to, it is any the reception optical module in described at least one reception optical module that described appointment receives optical module; Or,
The 4th positioning unit, for when definite described reception total optical power a plurality of received optical powers normal, described each received optical power are abnormal, determines that described fault point is positioned at the incoming line of described DEMUX.
In conjunction with the 4th kind of possibility implementation of second aspect, in the 5th kind of possibility implementation of second aspect, described the first positioning unit comprises:
Switch is adjusted subelement, for when determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, sends the on off state of optical module by adjustment, obtains a plurality of transmission total optical powers under different on off states;
The first locator unit, for when determine a plurality of transmission total optical powers that get when specifying transmission optical module in opening, all a plurality of transmission total optical powers abnormal and that get when described appointment sends optical module in closed condition are all normal, determine that described fault point is positioned at described appointment and sends the circuit that optical module is sent to described MUX, it is any the transmission optical module in described at least one transmission optical module that described appointment sends optical module; Or,
The second locator unit, for when determining that to send by adjustment a plurality of transmission total optical powers that the on off state of optical module gets all abnormal, determines that described fault point is positioned at the outlet line of described MUX.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The method and apparatus that the embodiment of the present invention provides, when breaking down, whether the various luminous powers that get by judgement are normal, and localization of faults position has solved the problem that inactive component can not carry out fault location, realized the automation of fault location, without manual detection, greatly reduced workload, reduced maintenance cost, and improved fault and got rid of speed, improved systematic function.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of a kind of fault detection method of providing of the embodiment of the present invention;
Fig. 2 is the flow chart of a kind of fault detection method of providing of the embodiment of the present invention;
Fig. 3 be the embodiment of the present invention provide close partial wave system schematic;
Fig. 4 is a kind of failure detector structural representation that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the flow chart of a kind of fault detection method of providing of the embodiment of the present invention, this fault detection method is used for closing partial wave system, this closes partial wave system and comprises that at least one sends optical module, at least one receives optical module, multiplexer MUX, Wave decomposing multiplexer DEMUX, referring to Fig. 1, the method comprises:
101, obtain received optical power, the transmitting optical power of this at least one transmission optical module, the transmission total optical power of this at least one the reception optical module in optical signal transmission process and receive at least two kinds of luminous powers in total optical power;
102,, when breaking down, judge that respectively whether these various luminous powers that get are normal;
103, according to the judged result to these various luminous powers, localization of faults position.
The method that the embodiment of the present invention provides, when breaking down, whether the various luminous powers that get by judgement are normal, and localization of faults position has solved the problem that inactive component can not carry out fault location, realized the automation of fault location, without manual detection, greatly reduced workload, reduced maintenance cost, and improved fault and got rid of speed, improved systematic function.
Alternatively, obtain in optical signal transmission process this at least one receive optical module received optical power, this at least one send optical module transmitting optical power, send total optical power and at least two kinds of luminous powers receiving in total optical power comprise:
From the output optical signal of this MUX, separate the first light signal of default splitting ratio;
The luminous power of this first light signal is retrieved as to this transmission total optical power.
Alternatively, obtain in optical signal transmission process this at least one receive optical module received optical power, this at least one send optical module transmitting optical power, send total optical power and at least two kinds of luminous powers receiving in total optical power comprise:
From the input optical signal of this DEMUX, separate the second light signal of this default splitting ratio;
The luminous power of this second light signal is retrieved as to this reception total optical power.
Alternatively, every kind of luminous power, to there being preset range, when breaking down, judges respectively whether these various luminous powers that get normally comprise:
When breaking down, judge respectively whether these various luminous powers that get belong to corresponding preset range;
When any luminous power belongs to corresponding preset range, determine that this luminous power that belongs to corresponding preset range is normal; Or,
When this any luminous power does not belong to corresponding preset range, determine that the luminous power of the preset range that does not belong to corresponding is abnormal.
Alternatively, according to the judged result to these various luminous powers, localization of faults position comprises:
When determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, localization of faults position; Or,
When determining that this sends that total optical power is normal, this receives total optical power when abnormal, determines that this fault point is on the optical fiber between this MUX and this DEMUX; Or,
When determining that this receives that total optical power is normal, this specifies and receives that the received optical power of optical module is abnormal and other receive the received optical power of optical modules when normal, determine that this fault point is positioned at this DEMUX and exports the circuit that this appointment receives optical module to, this is specified and receives optical module is any the reception optical module in this at least one reception optical module; Or,
When a plurality of received optical powers when determining that this receives that total optical power is normal, in this each received optical power are abnormal, determine that this fault point is positioned at the incoming line of this DEMUX.
Alternatively, when determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, and localization of faults position comprises:
When determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, by adjustment, send the on off state of optical module, obtain a plurality of transmission total optical powers under different on off states;
When determine a plurality of transmission total optical powers that get when specifying transmission optical module in opening, all a plurality of transmission total optical powers abnormal and that get when described appointment sends optical module in closed condition are all normal, determine that described fault point is positioned at described appointment and sends the circuit that optical module is sent to described MUX, it is any the transmission optical module in described at least one transmission optical module that described appointment sends optical module; Or,
When determining that to send by adjustment a plurality of transmission total optical powers that the on off state of optical module gets all abnormal, determine that described fault point is positioned at the outlet line of described MUX.
Above-mentioned all optional technical schemes, can adopt any combination to form optional embodiment of the present invention, and this is no longer going to repeat them.
Fig. 2 is the flow chart of a kind of fault detection method of providing of the embodiment of the present invention, this fault detection method is used for closing partial wave system, this closes partial wave system and comprises that at least one sends optical module, at least one receives optical module, multiplexer MUX, Wave decomposing multiplexer DEMUX, referring to Fig. 2, the method comprises:
201, each that obtain in optical signal transmission process receives the received optical power of optical module and the transmitting optical power of each transmission optical module;
In embodiments of the present invention, in order to carry out fault location when breaking down, can be by obtaining this at least one received optical power that receives optical module, at least two kinds of luminous powers in the transmitting optical power of this at least one transmission optical module, transmission total optical power and reception total optical power, so that whether the luminous power getting by judgement is normal, come localization of faults position.When the luminous power getting is all normal, determine that the circuit between position corresponding to accessed luminous power does not break down, and work as a kind of luminous power getting, occur abnormal, can consider and get the position of abnormal luminous power and other get the position of normal light power, thereby determine this position, fault point, can also, according to the abnormal form of expression of luminous power, predict possible abnormal cause.As, send total optical power normal, but receive total optical power when too low, can determine that this fault point is on the optical fiber between this MUX and this DEMUX, and may be because the reasons such as optical fiber is aging, transmission range is too far away cause fault.
Fig. 3 be the embodiment of the present invention provide close partial wave system schematic, referring to Fig. 3, this fault detection method is applied to close partial wave system, this closes partial wave system and comprises that N sends optical module, N reception optical module, MUX and DEMUX, wherein N is any positive integer, circuit 1-circuit 5 represent respectively corresponding arrow indication particular location place, every two kinds of luminous powers obtain one section of circuit between position.
Referring to Fig. 3, send optical module transmitting optical power reported to CPU(Central Processing Unit, central processing unit) or MPU(Micro Processor Unit, microprocessor), CPU or MPU obtain the transmitting optical power of this transmission optical module; Receive optical module received optical power is reported to CPU or MPU, CPU or MPU obtain the received optical power of this reception optical module.
The embodiment of the present invention be take and obtained received optical power that each transmitting optical power that sends optical module and each receive optical module and describe as example, and in fact, the embodiment of the present invention does not limit specifically obtaining the luminous power of which optical module.
202, the first light signal that separates default splitting ratio from the output optical signal of this MUX, is retrieved as this transmission total optical power by the luminous power of this first light signal;
Wherein, this default splitting ratio can pre-determine according to precision of the intensity of light signal or power detection etc., and the embodiment of the present invention does not limit this.
In embodiments of the present invention, the output optical signal of this MUX refers to that this MUX closes light signal that form, that do not transfer to optical fiber, the as shown in Figure 3 light signal of circuit 2 after ripple.
Preferably, this default splitting ratio is set to 1:100, from the output optical signal of this MUX, separates 1/100 light signal as this first light signal.
Referring to Fig. 3, in this MUX, increase luminous power testing circuit, for obtaining the transmission total optical power of this MUX.First, pass through optical splitter, from the output optical signal of this MUX, separate the first light signal of this default splitting ratio 1/100, and pass through PD(Photo-Diode, photodiode), this first light signal is converted to the signal of telecommunication, again by TIA(Transimpedance amplifier, trans-impedance amplifier), the signal of telecommunication obtaining is carried out to the low noise amplification of some strength, and by field scan power amplifier LA, the power of amplification signal, then pass through A/D(Analog/Digital, analog/digital) transducer, analog electrical signal is converted to digital signal, thereby get the luminous power of this digital signal, the luminous power of this digital signal becomes certain ratio with the luminous power of the output optical signal of this MUX, luminous power that can this digital signal represents this transmission total optical power.
The embodiment of the present invention, by according to this default splitting ratio, separates the first light signal, can guarantee the normal transmission of light signal between this MUX and this DEMUX, has avoided the light splitting impact that transmission causes on signal.
203, from the input optical signal of this DEMUX, separate the second light signal of this default splitting ratio, the luminous power of this second light signal is retrieved as to this reception total optical power;
Wherein, the input optical signal of this DEMUX referred to before this DEMUX partial wave, the light signal of the Optical Fiber Transmission that this DEMUX receives, the as shown in Figure 3 light signal of circuit 4.
Referring to Fig. 3, in this DEMUX, increase luminous power testing circuit, circuit specifically form and function and the luminous power testing circuit in this MUX of each module of comprising similar, do not repeat them here.In addition, Fig. 3 is only the structural representation that has provided luminous power testing circuit, but does not form the restriction to this luminous power testing circuit.
The embodiment of the present invention, by according to this default splitting ratio, separates the second light signal, can guarantee the normal transmission of light signal between this MUX and this DEMUX, the impact of having avoided light splitting to cause the partial wave of this DEMUX.
In step 201-203, the embodiment of the present invention be take and obtained above-mentioned four kinds of luminous powers and describe as example, and in actual applications, may only need to the fault point of some position be detected and be located, can also be according to fault location demand to diverse location, obtain any two or more the luminous power in above-mentioned four kinds of luminous powers.The embodiment of the present invention does not limit obtain at least two kinds of luminous powers.
204,, when breaking down, judge that respectively whether these various luminous powers that get are normal;
Those skilled in the art can be known, when luminous power is too high or too low, show that this luminous power is abnormal, and this luminous power is in normal scope time, show that this luminous power is normal, can preset the normal scope of luminous power, be this preset range, according to this luminous power, whether belong to this preset range, can judge that whether this luminous power is normal.
Wherein, this preset range can be determined according to corresponding device type in advance, or the Location of requirement to luminous power sensitivity, and the embodiment of the present invention does not limit this.
Particularly, this step 204 comprises: when any luminous power belongs to corresponding preset range, determine that this luminous power that belongs to corresponding preset range is normal; Or, when this any luminous power does not belong to corresponding preset range, determine that the luminous power of the preset range that does not belong to corresponding is abnormal.
The transmission total optical power getting of take is example, judge whether this transmission total optical power normally specifically comprises: when this transmission total optical power belongs to preset range corresponding to this transmission total optical power, determine that this transmission total optical power is normal, when this transmission total optical power does not belong to preset range corresponding to this transmission total optical power, determine that this transmission total optical power is abnormal.
205, when determining that this sends that total optical power is normal, this receives total optical power when abnormal, determines that this fault point is on the optical fiber between this MUX and this DEMUX;
Referring to Fig. 3, when determine to send total optical power normal, receive total optical power when abnormal, determine that this fault point, on the optical fiber between this MUX and this DEMUX, that is to say circuit 3.
206, when determining that this receives that total optical power is normal, this specifies and receives that the received optical power of optical module is abnormal and other receive the received optical power of optical modules when normal, determine that this fault point is positioned at this DEMUX and exports the circuit that this appointment receives optical module to, this is specified and receives optical module is any the reception optical module in this at least one reception optical module;
Referring to Fig. 3, when determine receiving abnormal and other the received optical power of total optical power received optical power normal, that receive optical module 1 when normal, determine that this fault point is positioned at this DEMUX and exports the circuit that receives optical module 1 to, that is to say circuit 5.
When 207, a plurality of received optical powers when determining that this receives that total optical power is normal, in this each received optical power are abnormal, determine that this fault point is positioned at the incoming line of this DEMUX;
Referring to Fig. 3, when determining that reception total optical power is normal, when a plurality of received optical powers are abnormal, determine that this fault point is positioned at the incoming line of this DEMUX, that is to say circuit 4.
208, when definite this each transmitting optical power is normal, this sends total optical power when abnormal, sends the on off state of optical module by adjustment, obtains a plurality of transmission total optical powers under different on off states;
In embodiments of the present invention, when definite this each transmitting optical power is normal, this sends total optical power when abnormal, cannot judge is that the transmitting line which sends optical module breaks down, the on off state that can send optical module by repeatedly adjusting each, the on off state that sends optical module while making at every turn to measure is also incomplete same, and obtain the transmission total optical power that each adjusting operation is corresponding, and then can be by the position at contrast localization of faults place.
As shown in Figure 3, can only transmission optical module 1 be adjusted into opening, and transmission optical module 2-N is adjusted into closed condition, obtain one and send total optical power, judge that whether this transmission total optical power obtaining is normal, afterwards, again transmission optical module 2 is adjusted into opening, send optical module 1 and send optical module 3-N and be adjusted into closed condition, obtain another and send total optical power, then judge that whether this transmission total optical power obtaining is normal etc.
209, when determine a plurality of transmission total optical powers that get when specifying transmission optical module in opening, all a plurality of transmission total optical powers abnormal and that get when this appointment sends optical module in closed condition are all normal, determine that this fault point is positioned at this appointment and sends the circuit that optical module is sent to this MUX, this is specified and sends optical module is any the transmission optical module in this at least one transmission optical module;
Referring to Fig. 3, when definite each transmitting optical power is normal, send total optical power when abnormal, can repeatedly adjust the on off state of a plurality of transmission optical modules.If sending optical module 1 in opening, while sending optical module 2 also in opening, the transmission total optical power getting is abnormal, and send optical module 1 in closed condition, while sending optical module 2 in opening, when the transmission total optical power that gets is normal, this fault point may be positioned at and send the circuit that optical module 1 is sent to this MUX, that is to say circuit 1.Further, if when sending optical module 1 in opening, no matter whether other send optical module in opening, a plurality of transmission total optical powers that get are all abnormal, and when sending optical module 1 in closed condition, no matter whether other send optical module in opening, and a plurality of transmission total optical powers that get are all normal, can determine that this fault point is positioned at circuit 1.
210, when determining that to send by adjustment a plurality of transmission total optical powers that the on off state of optical module gets all abnormal, determine that this fault point is positioned at the outlet line of this MUX.
Referring to Fig. 3, when when determining this N the one or more transmission optical modules in transmission optical module in opening, other send optical modules in closed condition, the transmission total optical power getting is all abnormal, determines that this fault point is positioned at the outlet line of this MUX, that is to say circuit 2.
In the embodiment of the present invention, the method also comprises: when definite arbitrary transmitting optical power is abnormal, other transmitting optical powers are normal and transmission total optical power is normal, can determine that this fault point is positioned at the abnormal transmission optical module of this transmitting optical power; Or, when definite arbitrary received optical power is abnormal, other received optical powers are normal and reception total optical power is normal, can determine that this fault point is positioned at abnormal reception optical module of this received optical power etc., does not repeat them here.
The method that the embodiment of the present invention provides, when breaking down, whether the various luminous powers that get by judgement are normal, and localization of faults position has solved the problem that inactive component can not carry out fault location, realized the automation of fault location, without manual detection, greatly reduced workload, reduced maintenance cost, and improved fault and got rid of speed, improved systematic function.
Fig. 4 is a kind of failure detector structural representation that the embodiment of the present invention provides, and referring to Fig. 4, described device comprises: luminous power acquisition module 401, judge module 402, locating module 403,
Wherein, luminous power acquisition module 401 for obtain optical signal transmission process this at least one receive optical module received optical power, this at least one send optical module transmitting optical power, send total optical power and receive at least two kinds of luminous powers in total optical power; Judge module 402 is connected with luminous power acquisition module 401, for when breaking down, judges that respectively whether these various luminous powers that get are normal; Locating module 403 is connected with judge module 402, the judged result for basis to these various luminous powers, localization of faults position.
Alternatively, this luminous power acquisition module 401 comprises:
The first spectrophotometric unit, separates the first light signal of presetting splitting ratio for the output optical signal from this MUX;
The first total optical power acquiring unit, for being retrieved as the luminous power of this first light signal this transmission total optical power.
Alternatively, this luminous power acquisition module 401 comprises:
The second spectrophotometric unit, separates the second light signal of this default splitting ratio for the input optical signal from this DEMUX;
The second total optical power acquiring unit, for being retrieved as the luminous power of this second light signal this reception total optical power.
Alternatively, every kind of luminous power is to there being preset range, and this judge module 402, for when breaking down, judges respectively whether these various luminous powers that get belong to corresponding preset range; When any luminous power belongs to corresponding preset range, determine that this luminous power that belongs to corresponding preset range is normal; Or, when this any luminous power does not belong to corresponding preset range, determine that the luminous power of the preset range that does not belong to corresponding is abnormal.
Alternatively, this locating module 403 comprises:
The first positioning unit, for when definite this each transmitting optical power is normal, this sends total optical power when abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, localization of faults position; Or,
The second positioning unit, for when determining that this sends that total optical power is normal, this receives total optical power when abnormal, determines that this fault point is on the optical fiber between this MUX and this DEMUX; Or,
The 3rd positioning unit, for when determining that this receives that total optical power is normal, this specifies and receives the received optical power received optical power abnormal and other reception optical modules of optical module when normal, determine that this fault point is positioned at this DEMUX and exports the circuit that this appointment receives optical module to, this is specified and receives optical module is any the reception optical module in this at least one reception optical module; Or,
The 4th positioning unit, for when determining that this reception total optical power a plurality of received optical powers normal, this each received optical power are abnormal, determines that this fault point is positioned at the incoming line of this DEMUX.
Alternatively, this first positioning unit comprises:
Switch is adjusted subelement, for when definite this each transmitting optical power normally, this transmission total optical power is when abnormal, sends the on off state of optical module by adjustment, obtains a plurality of transmission total optical powers under different on off states;
The first locator unit, for when determine a plurality of transmission total optical powers that get when specifying transmission optical module in opening, all a plurality of transmission total optical powers abnormal and that get when this appointment sends optical module in closed condition are all normal, determine that this fault point is positioned at this appointment and sends the circuit that optical module is sent to this MUX, this is specified and sends optical module is any the transmission optical module in this at least one transmission optical module; Or,
The second locator unit, for when determining that to send by adjustment a plurality of transmission total optical powers that the on off state of optical module gets all abnormal, determines that this fault point is positioned at the outlet line of this MUX.
It should be noted that, the device that the embodiment of the present invention provides is distributed in and closes in partial wave system, can be fault test set independently, can also be for thering is the functional module of fault detection capability, and the embodiment of the present invention does not limit this.Further, this device can be independent of this and close reflector and the receiver in partial wave system, whether the luminous power with detection reflector and receiver is normal, and localization of faults position, can also be configured in respectively in reflector and receiver, whether the failure detector being configured in reflector is normal for judging the luminous power of reflector, and judged result is reported to CPU or the MPU of reflector, whether the failure detector being configured in receiver is normal for judging the luminous power of receiver, and judged result is reported to CPU or the MPU of receiver, the embodiment of the present invention does not limit this yet.
The device that the embodiment of the present invention provides, when breaking down, whether the various luminous powers that get by judgement are normal, and localization of faults position has solved the problem that inactive component can not carry out fault location, realized the automation of fault location, without manual detection, greatly reduced workload, reduced maintenance cost, and improved fault and got rid of speed, improved systematic function.
It should be noted that: the failure detector that above-described embodiment provides is when fault detect, only the division with above-mentioned each functional module is illustrated, in practical application, can above-mentioned functions be distributed and by different functional modules, completed as required, the internal structure of the equipment of being about to is divided into different functional modules, to complete all or part of function described above.In addition, the failure detector that above-described embodiment provides and fault detection method embodiment belong to same design, and its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a fault detection method, for closing partial wave system, described in close partial wave system and comprise that at least one sends optical module, at least one receives optical module, multiplexer MUX, Wave decomposing multiplexer DEMUX, it is characterized in that, described method comprises:
Obtain received optical power, the transmitting optical power of described at least one transmission optical module, the transmission total optical power of described at least one the reception optical module in optical signal transmission process and receive at least two kinds of luminous powers in total optical power;
When breaking down, whether the various luminous powers that get described in judgement are respectively normal;
According to the judged result to described various luminous powers, localization of faults position.
2. method according to claim 1, it is characterized in that, obtain in optical signal transmission process described at least one receive optical module received optical power, described at least one send optical module transmitting optical power, send total optical power and at least two kinds of luminous powers receiving in total optical power comprise:
From the output optical signal of described MUX, separate the first light signal of default splitting ratio;
The luminous power of described the first light signal is retrieved as to described transmission total optical power.
3. method according to claim 1, it is characterized in that, obtain in optical signal transmission process described at least one receive optical module received optical power, described at least one send optical module transmitting optical power, send total optical power and at least two kinds of luminous powers receiving in total optical power comprise:
From the input optical signal of described DEMUX, separate the second light signal of described default splitting ratio;
The luminous power of described the second light signal is retrieved as to described reception total optical power.
4. method according to claim 1, is characterized in that, every kind of luminous power is to there being preset range, and when breaking down, whether the various luminous powers that get described in judgement respectively normally comprise:
When breaking down, whether the various luminous powers that get described in judgement respectively belong to corresponding preset range;
When any luminous power belongs to corresponding preset range, the luminous power that belongs to corresponding preset range described in determining is normal; Or,
When described any luminous power does not belong to corresponding preset range, determine that the luminous power of the preset range that does not belong to corresponding is abnormal.
5. method according to claim 1, is characterized in that, according to the judged result to described various luminous powers, localization of faults position comprises:
When determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, localization of faults position; Or,
When definite normal, described reception total optical power of described transmission total optical power is abnormal, determine that described fault point is on the optical fiber between described MUX and described DEMUX; Or,
When determining that normal, the described appointment of described reception total optical power receives that the received optical power of optical module is abnormal and other receive the received optical power of optical modules when normal, determine that described fault point is positioned at described DEMUX and exports the circuit that described appointment receives optical module to, it is any the reception optical module in described at least one reception optical module that described appointment receives optical module; Or,
When a plurality of received optical powers in determining normal, described each received optical power of described reception total optical power are abnormal, determine that described fault point is positioned at the incoming line of described DEMUX.
6. method according to claim 5, it is characterized in that, when determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, and localization of faults position comprises:
When determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, by adjustment, send the on off state of optical module, obtain a plurality of transmission total optical powers under different on off states;
When determine a plurality of transmission total optical powers that get when specifying transmission optical module in opening, all a plurality of transmission total optical powers abnormal and that get when described appointment sends optical module in closed condition are all normal, determine that described fault point is positioned at described appointment and sends the circuit that optical module is sent to described MUX, it is any the transmission optical module in described at least one transmission optical module that described appointment sends optical module; Or,
When determining that to send by adjustment a plurality of transmission total optical powers that the on off state of optical module gets all abnormal, determine that described fault point is positioned at the outlet line of described MUX.
7. a failure detector, is characterized in that, described device comprises:
Luminous power acquisition module, for obtain optical signal transmission process described at least one receive optical module received optical power, described at least one send optical module transmitting optical power, send total optical power and receive at least two kinds of luminous powers in total optical power;
Judge module, for when breaking down, whether the various luminous powers that get described in judgement are respectively normal;
Locating module, the judged result for basis to described various luminous powers, localization of faults position.
8. device according to claim 7, is characterized in that, described luminous power acquisition module comprises:
The first spectrophotometric unit, separates the first light signal of presetting splitting ratio for the output optical signal from described MUX;
The first total optical power acquiring unit, for being retrieved as the luminous power of described the first light signal described transmission total optical power.
9. device according to claim 7, is characterized in that, described luminous power acquisition module comprises:
The second spectrophotometric unit, separates the second light signal of described default splitting ratio for the input optical signal from described DEMUX;
The second total optical power acquiring unit, for being retrieved as the luminous power of described the second light signal described reception total optical power.
10. device according to claim 7, is characterized in that, every kind of luminous power is to there being preset range, and described judge module is for when breaking down, and whether the various luminous powers that get described in judgement respectively belong to corresponding preset range; When any luminous power belongs to corresponding preset range, the luminous power that belongs to corresponding preset range described in determining is normal; Or, when described any luminous power does not belong to corresponding preset range, determine that the luminous power of the preset range that does not belong to corresponding is abnormal.
11. devices according to claim 7, is characterized in that, described locating module comprises:
The first positioning unit, for when determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, whether judgement sends by adjustment a plurality of transmission total optical powers that the on off state of optical module gets normal, localization of faults position; Or,
The second positioning unit, for when definite normal, described reception total optical power of described transmission total optical power is abnormal, determines that described fault point is on the optical fiber between described MUX and described DEMUX; Or,
The 3rd positioning unit, when normal for the received optical power received optical power abnormal and other reception optical modules when normal, the described appointment reception of definite described reception total optical power optical module, determine that described fault point is positioned at described DEMUX and exports the circuit that described appointment receives optical module to, it is any the reception optical module in described at least one reception optical module that described appointment receives optical module; Or,
The 4th positioning unit, for when definite described reception total optical power a plurality of received optical powers normal, described each received optical power are abnormal, determines that described fault point is positioned at the incoming line of described DEMUX.
12. devices according to claim 11, is characterized in that, described the first positioning unit comprises:
Switch is adjusted subelement, for when determining that described normal, the described transmission total optical power of each transmitting optical power is abnormal, sends the on off state of optical module by adjustment, obtains a plurality of transmission total optical powers under different on off states;
The first locator unit, for when determine a plurality of transmission total optical powers that get when specifying transmission optical module in opening, all a plurality of transmission total optical powers abnormal and that get when described appointment sends optical module in closed condition are all normal, determine that described fault point is positioned at described appointment and sends the circuit that optical module is sent to described MUX, it is any the transmission optical module in described at least one transmission optical module that described appointment sends optical module; Or,
The second locator unit, for when determining that to send by adjustment a plurality of transmission total optical powers that the on off state of optical module gets all abnormal, determines that described fault point is positioned at the outlet line of described MUX.
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