CN113691308B - Optical module monitoring method - Google Patents
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- CN113691308B CN113691308B CN202111242890.3A CN202111242890A CN113691308B CN 113691308 B CN113691308 B CN 113691308B CN 202111242890 A CN202111242890 A CN 202111242890A CN 113691308 B CN113691308 B CN 113691308B
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- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/073—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an out-of-service signal
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Abstract
The invention discloses an optical module monitoring method, wherein a monitoring module collects monitoring information of at least one optical module, the at least one monitoring module responds to a reading signal of a controller and sends the monitoring information to the controller, a monitoring information input end corresponding to the monitoring module is arranged in the controller, the controller matches a basic reading frequency for each information input end, the corresponding relation between the controller information input end and the reading frequency is put into a basic reading frequency library, the controller analyzes and stores the monitoring information, when the controller monitors an abnormal signal, the abnormal signal is subjected to statistical analysis, and an optical module abnormal data arrangement table is generated. The invention provides an optical module monitoring method for carrying out high-efficiency real-time monitoring on an optical module machine and carrying out statistical analysis on abnormal data of the optical module.
Description
Technical Field
The invention relates to the technical field of optical module monitoring, in particular to an optical module monitoring method.
Background
At present, with the massive application of 5G and the internet of things, the use of optical modules is also increasing, and the stability of the optical modules becomes a focus of attention. At present, the stability of an optical module produced by a plurality of manufacturers cannot be monitored in a closed loop mode, the manufacturers do not collect performance data of the optical module after producing the optical module, do not monitor the optical module in real time to guarantee stable operation of the optical module, and cannot optimize the design scheme of the optical module per se through monitoring data. Manufacturers only perform a few small-range tests before putting on the market, but cannot ensure stable operation of the optical module after leaving the factory, especially, the optical module is used more and more in the future, and it is important to ensure that the absolute number of the abnormity of the optical module is reduced and the performance of the optical module is improved when a large-scale optical module is used.
Disclosure of Invention
The invention provides an optical module monitoring method for carrying out high-efficiency real-time monitoring and optical module abnormal data statistical analysis on an optical module machine, aiming at overcoming the problems that the optical module machine cannot be subjected to high-frequency real-time monitoring and the optical module abnormal data statistical analysis cannot be carried out in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the technical scheme adopted by the invention for solving the technical problems is as follows: a monitoring method for optical modules includes collecting monitoring information of at least one optical module by a monitoring module, sending the monitoring information to a controller by the at least one monitoring module in response to a reading signal of the controller, setting a monitoring information input end corresponding to the monitoring module in the controller, matching a basic reading frequency for each information input end by the controller, putting a corresponding relation between the information input end of the controller and the reading frequency into a basic reading frequency library, analyzing and storing the monitoring information by the controller, and carrying out statistical analysis on abnormal signals when the controller monitors the abnormal signals to generate an abnormal data arrangement table of the optical modules.
The information input ends of the controller are provided with a basic reading frequency, the basic reading frequency is the reading frequency of a reading signal, the controller sets the basic reading frequency for each information input end in advance, the basic reading frequency comprises a high-speed reading frequency, a medium-speed reading frequency and a low-speed reading frequency, different reading frequencies correspond to optical modules of different importance levels, the higher the importance is, the higher the corresponding reading frequency is, and therefore the calculation capacity of the controller can be fully utilized, and the controller allows the reading frequency corresponding to the optical modules to be modified at the later stage.
Preferably, the design scheme information and the unique number information of the optical modules are stored in an identity information storage area in the monitoring module, after an information path is established between a controller monitoring information input end and the monitoring module, the controller reads the design scheme information and the unique number information of the optical modules in the monitoring module, the controller divides an exclusive monitoring storage area for each optical module according to the unique number information, and establishes a corresponding relation among the unique number of the optical module, the basic reading frequency of the controller information input end connected with the monitoring module and the design scheme information of the optical modules and stores the corresponding relation into the exclusive monitoring storage area.
Preferably, a to-be-read area and a storage area are arranged in the monitoring module, the monitoring module places the collected monitoring information in the to-be-read area, after the monitoring module receives a reading signal of the controller, the monitoring module sends all the monitoring information of the to-be-read area to the controller and sends all the monitoring information of the to-be-read area to the storage area for storage, then the monitoring information in the to-be-read area is deleted, and the controller receives the monitoring information of the monitoring module and then stores the monitoring information in the corresponding exclusive monitoring storage area.
Preferably, when the controller monitors that the monitoring information is abnormal, the controller sends abnormal reporting information to the alarm unit, display information in the abnormal information is sent to the display screen, audio information in the abnormal information is sent to the loudspeaker, the abnormal reporting information comprises unique serial number information of the abnormal reporting optical module and abnormal type information, and the abnormal type information is placed in an exclusive storage area corresponding to the unique serial number of the abnormal reporting optical module.
Preferably, the controller performs discrete analysis and trend prediction analysis on the collected monitoring information, sets a discrete threshold value, marks an optical module generating the monitoring information as a discrete quantity excess threshold value when the discrete distribution condition of the monitoring information exceeds the discrete threshold value, and sends alarm information to the alarm unit. If the discrete condition of the monitoring information of the optical module exceeds a discrete threshold value, the quality of the optical module is unstable; the discrete condition is the statistics of the difference value between the monitoring signal and a standard value, and the standard signal can be a first-order signal, a second-order signal and a third-order signal, and can also be an exponential signal, a logarithmic signal or a trigonometric function signal; the trigonometric function signal is a sine signal or a cosine signal; the expected service life of the optical module is predicted by analyzing the trend of the monitoring signal, if the trend of the monitoring signal in the last two years or the last one year conforms to the trend of a first-order power function or an exponential function, the service life and the service time of the optical module can be predicted, and if the trend of the optical module enters a danger threshold area in the calibrated service life of the optical module, the optical module needs to be reminded to be replaced.
Preferably, the controller analyzes abnormal data corresponding to the design scheme of each optical module, generates an abnormal total quantity ranking table according to the design scheme of the optical module and the abnormal quantity ranking table according to the abnormal quantity of each abnormal type; the method comprises the steps that a controller sets an abnormal total amount threshold value, and when the controller detects that the abnormal alarm number corresponding to a design scheme of an optical module exceeds the abnormal total amount threshold value, the controller marks the design scheme of the optical module as total amount abnormal; the controller sets an abnormal threshold value for each abnormal type respectively, and when the controller detects that the quantity of a certain abnormal type of the design scheme of the optical module exceeds the abnormal threshold value of the abnormal type, the controller binds the design scheme of the optical module with item abnormal information, wherein the item abnormal information comprises the abnormal type. According to the abnormal statistical analysis of the optical module, the setting scheme of the optical module can be evaluated comprehensively, meanwhile, a life expectancy schedule and a discrete data schedule can be established according to the result of life expectancy evaluation of the optical module and evaluation of discrete indexes of monitoring signals of the optical module, the design scheme of the optical module can be deeply researched through a large amount of analysis of the optical module, and therefore the absolute quantity of the abnormity of the optical module can be reduced when the future large-scale optical module is applied.
Preferably, the monitoring information includes operating temperature, voltage, bias current, range and resolution of transmitted and received optical power.
Preferably, when the controller monitors that the monitoring information is abnormal, the controller sends abnormal reporting information to the alarm unit, display information in the abnormal information is sent to the display screen, audio information in the abnormal information is sent to the loudspeaker, the abnormal reporting information comprises unique serial number information of the abnormal reporting optical module and abnormal type information, and the abnormal type information is placed in an exclusive storage area corresponding to the unique serial number of the abnormal reporting optical module.
Therefore, the invention has the following beneficial effects: (1) according to the setting scheme, the reading frequency of the monitoring module is not required to be set, when the monitoring module is replaced at the later stage, only the monitoring module needs to be replaced, and the reading frequency of the information input end of the controller is unchanged, so that the original reading speed of the newly replaced monitoring module is still maintained, and the working difficulty is reduced;
(2) sequencing the design scheme of the optical module according to the condition of the monitoring information, so as to realize real-time evaluation of the design scheme of the optical module and make reference for optimization of the design scheme of the optical module;
(3) the information input ends of the controller are provided with a basic reading frequency which is the reading frequency of a reading signal, the controller sets the basic reading frequency for each information input end in advance, the basic reading frequency comprises a high-speed reading frequency, a medium-speed reading frequency and a low-speed reading frequency, the optical modules with different important grades correspond to different reading frequencies, the higher the importance is, the higher the corresponding reading frequency is, so that the calculation power of the controller can be fully utilized, the high-frequency real-time monitoring of the monitoring data of the optical modules can be realized, and the high-frequency monitoring of the counterweight optical modules can be realized.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a memory partition diagram of the present invention;
FIG. 3 is a flow chart of monitoring information delivery according to the present invention;
FIG. 4 is a flow chart illustrating evaluation of a design of an optical module according to the present invention;
FIG. 5 is a flow chart of exception handling according to the present invention;
FIG. 6 is a diagram illustrating a relationship between components of an optical module device according to the present invention;
in the figure: 1. the system comprises a controller, 2, a monitoring module, 3, an alarm unit, 31, a display screen and 32, and a loudspeaker.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
Example (b): a monitoring method for an optical module is disclosed, as shown in FIG. 3, a monitoring module 2 collects monitoring information of at least one optical module, the at least one monitoring module responds to a reading signal of a controller 1 and sends the monitoring information to the controller 1, a monitoring information input end corresponding to the monitoring module 2 is arranged in the controller 1, the controller 1 matches a basic reading frequency for each information input end, the corresponding relation between the controller information input end and the reading frequency is put into a basic reading frequency library, the controller 1 analyzes and stores the monitoring information, when the controller 1 monitors an abnormal signal, the abnormal signal is subjected to statistical analysis, and an optical module abnormal data arrangement table is generated. The monitoring information includes operating temperature, voltage, bias current, range and resolution of transmitted and received optical power.
The monitoring module can collect the monitoring information of one optical module, the monitoring module can also collect the monitoring information of a plurality of optical modules, for example, in a data center or a certain area, the monitoring information of the optical modules is uniformly collected, encrypted and uploaded to the controller by one monitoring module, so the equipment cost can be saved, and the monitoring module can be sent to the controller by wire communication or wireless communication modes such as Ethernet, optical fiber transmission and the like, so the large-scale collection of the monitoring information of the optical modules becomes possible, the monitoring information of the optical modules is only collected in the optical modules or collected in a small range at present, but the collection and analysis of a large amount of monitoring information of the optical modules are not carried out, because the present optical modules have the characteristics of wide dispersion and difficult collection of the monitoring information, the further deep analysis can not be carried out aiming at the design scheme of the optical modules, at present, optical module manufacturers cannot take monitoring data of optical modules produced by themselves, so that the research and development scheme of the optical modules cannot be further optimized, the technical scheme of the application can collect monitoring information of the optical modules in any area covered by a wired network or a wireless network, further collect a large amount of optical module monitoring information, analyze and compare the monitoring information of the optical modules, find out the most suitable optical module design scheme, and is beneficial to optical module designers to deeply understand the design scheme of the optical modules, so that a more solid and powerful reference is provided for standard customization of the optical modules, and the requirements of future high-frequency and high-capacity information transmission times on higher levels of the optical modules are met.
The information input ends of the controller 1 all have a basic reading frequency, the basic reading frequency is a reading frequency of a reading signal, the controller 1 sets the basic reading frequency for each information input end in advance, the basic reading frequency comprises a high-speed reading frequency, a medium-speed reading frequency and a low-speed reading frequency, different reading frequencies correspond to optical modules of different importance levels, the higher the importance is, the higher the corresponding reading frequency is, so that the calculation power of the controller 1 can be fully utilized, and the controller 1 allows the reading frequency corresponding to the optical modules to be modified at a later stage. Through such setting scheme, just need not read the frequency to monitoring module and set up, when changing monitoring module in the later stage, only need with monitoring module change can, the reading frequency of controller information input end is unchangeable, so to the monitoring module who changes newly still keep original reading rate, reduced the work degree of difficulty.
The method comprises the steps that design scheme information and unique number information of optical modules are stored in an identity information storage area in a monitoring module 2, after an information path is established between a monitoring information input end of a controller 1 and the monitoring module 2, the controller 1 reads the design scheme information and the unique number information of the optical modules in the monitoring module 2, the controller 1 divides an exclusive monitoring storage area for each optical module according to the unique number information, and establishes a corresponding relation among the unique numbers of the optical modules, basic reading frequency of an information input end of the controller 1 connected with the monitoring module 2 and the design scheme information of the optical modules and stores the corresponding relation into the exclusive monitoring storage area.
As shown in fig. 2, a to-be-read area and a storage area are provided in the monitoring module 2, the monitoring module 2 places the collected monitoring information in the to-be-read area, after the monitoring module 2 receives a reading signal from the controller 1, the monitoring module 2 sends all the monitoring information in the to-be-read area to the controller 1 and sends all the monitoring information in the to-be-read area to the storage area for storage, then deletes the monitoring information in the to-be-read area, and the controller 1 receives the monitoring information from the monitoring module 2 and stores the monitoring information in the corresponding dedicated monitoring storage area. The monitoring information is placed in the area to be read, the reading speed of the monitoring information can be accelerated, the monitoring delay is reduced, the monitoring data can be rapidly obtained, judgment is made, and loss is reduced.
When the controller 1 monitors that the monitoring information is abnormal, the controller 1 sends abnormal reporting information to the alarm unit, display information in the abnormal information is sent to the display screen, audio information in the abnormal information is sent to the loudspeaker, the abnormal reporting information comprises unique serial number information of the abnormal reporting optical module and abnormal type information, and the abnormal type information is placed in an exclusive storage area corresponding to the unique serial number of the abnormal reporting optical module. The alarm information comprises a video signal and an audio signal for prompting the staff.
The controller 1 performs discrete analysis and trend prediction analysis on the collected monitoring information, the controller 1 sets a discrete threshold value T, the controller uses the working temperature, voltage, bias current, the range of transmitting and receiving optical power and the variance of historical data of resolution as discrete values of the monitoring information, when the discrete values of the monitoring information exceed the discrete threshold value T, the setting of the discrete threshold value T can be set by technicians in the field according to specific conditions, and the controller 1 marks the optical module generating the monitoring information as a discrete quantity super-threshold value and sends alarm information to an alarm unit. If the discrete condition of the monitoring information of the optical module exceeds a discrete threshold value, the quality of the optical module is unstable; in addition, the discrete condition can also be statistics of the difference value between the monitoring signal and a standard value, and the standard signal can be a first-order signal, a second-order signal, a third-order signal, an exponential signal, a logarithmic signal or a trigonometric function signal; the trigonometric function signal is a sine signal or a cosine signal; by analyzing the trend of the monitoring signal, the process of analyzing the trend of the monitoring signal may be: the method comprises the steps of counting the average value of monitoring signals within a period of time r, then representing r on a graph according to the sequence of time, connecting the r with line segments, obtaining a prediction graph of monitoring information, predicting the expected service life of an optical module through the prediction graph, and predicting the service life and service time of the optical module if the trend of the prediction graph of the monitoring signals in the last two years or the last year conforms to a first-order power function trend or an exponential function trend, wherein the trend of the optical module enters a danger threshold region in the rated service life of the optical module, the danger threshold region is 5% of the range of the allowed range boundary of each monitoring information, for example, the working temperature of the optical module is-20 ℃ to 80 ℃, and the danger threshold region is the range of-20 ℃ to-15 ℃ and the range of 75 ℃ to 80 ℃. At this time, the light module needs to be replaced.
The controller 1 analyzes abnormal data corresponding to the design scheme of each optical module, generates an abnormal total quantity ranking table according to the abnormal total quantity of the design scheme of the optical module, and generates an abnormal quantity ranking table of each abnormal type according to the abnormal quantity of each abnormal type of the design scheme of the optical module; the method comprises the steps that a controller 1 sets an abnormal total threshold value, wherein the abnormal total threshold value is the sum of abnormal quantities of the optical module in the range and resolution ratio of 5 monitoring information working temperatures, voltages, bias currents, transmitting and receiving optical powers, and when the controller 1 detects that the abnormal alarm quantity corresponding to the design scheme of the optical module exceeds the abnormal total threshold value, the controller 1 marks the design scheme of the optical module as total quantity abnormal; the controller 1 sets an abnormal threshold value for each abnormal type, when the controller 1 detects that the number of certain abnormal types of the design scheme of the optical module exceeds the abnormal threshold value of the abnormal types, the controller 1 binds the design scheme of the optical module with a piece of abnormal information, and the piece of abnormal information comprises the abnormal types. The method comprises the steps that 5 pieces of monitoring information of an optical module comprise working temperature, voltage, bias current, and the range and resolution of transmitting and receiving optical power, the 5 pieces of monitoring information all have corresponding working intervals, if the number of the collected monitoring information is not in the working intervals, the abnormity can be called to occur, working interval numerical values corresponding to the 5 pieces of monitoring information of the optical module are arranged in a controller, and abnormity statistics can be carried out by comparing whether the collected monitoring information belongs to the working intervals or not. The setting of the working interval can be set by technicians in the field according to different optical modules, the abnormal statistical analysis of the optical modules can be carried out, the setting scheme of the optical modules can be evaluated comprehensively, meanwhile, a life expectancy schedule and a discrete data schedule can also be established according to the result of life expectancy evaluation of the optical modules and the evaluation of discrete indexes of monitoring signals of the optical modules, the design scheme of the optical modules can be deeply researched through carrying out a large amount of analysis on the optical modules, and therefore the reduction of the absolute number of the abnormal optical modules can be possible when the future large-scale optical modules are applied.
As shown in fig. 4, the procedure for the evaluation of the light module design in all aspects is as follows: the controller respectively puts the range and resolution information of voltage, bias current, transmitting and receiving optical power of each optical module into a voltage queue, a current queue, a power queue and a resolution queue, the controller subtracts the ambient temperature from the working temperature to obtain a relative heat dissipation temperature, the controller puts the relative heat dissipation temperature into the temperature queue, the working temperature, the voltage, the bias current, the range and the resolution of the transmitting and receiving optical power of each optical module are all in a binding relation with the optical module, the monitoring information data of the optical modules put into the temperature queue, the voltage queue, the current queue, the power queue and the resolution queue are historical average monitoring information data, the data are sorted in the temperature queue, the voltage queue, the current queue, the power queue and the resolution queue according to the performance, the higher the serial number is, the better the corresponding performance is, if the serial number is in the temperature queue, because the optical module is a heating element, the lower the relative heat dissipation temperature data is, the better the heat dissipation performance is; as shown in fig. 6, the main components of the optical module include a CDR (clock data recovery chip), an LDD (laser modulation driver chip), a TOSA (electrical/optical conversion), a ROSA (optical/electrical conversion), a TIA (transimpedance amplifier), and an MCU (control unit), which are respectively referred to as component 1, component 2, component 3, component 4, component 5, and component 6, each component has a different model, different points exist between different models of each component, which can be different in component structure and different in manufacturer, the design scheme of the optical module is a combination of components 1 to 6 of different models, each component adopted by each optical module is also in a binding relationship with the optical module itself, and each component of each optical module corresponds to 5 pieces of monitoring information through the binding relationship between the optical module and each component and the binding relationship between the optical module and each monitoring information, the 5 monitoring information includes operating temperature, voltage, bias current, range and resolution of transmitted and received optical power. The method comprises the steps of counting average serial number values of 5 pieces of monitoring information of components 1, 2, 3, 4, 5 and 6 of different models, setting a rule of a comparison queue according to each piece of monitoring information of each component, sequencing the components of different models of each component in the comparison queue of each component, for example, setting 5 comparison queues of component 1, namely a temperature comparison queue, a voltage comparison queue, a current comparison queue, a power comparison queue and a resolution comparison queue, and sequencing the average serial number values of relative heat dissipation temperature data of the components 1 of different models in the temperature comparison queue, so that effect sequencing of each model of each component under different pieces of monitoring information is obtained. Through the arrangement, the data of the performance of the components of different models can be acquired, so that a basis is provided for the optimization of the design scheme, and the performance of which component in which design scheme is good can be obtained, so that the more detailed efficacy of each model of each component can be further known, and accurate reference can be made for the formulation of the design scheme.
The invention uses an optical module monitoring system, as shown in fig. 1, which comprises a controller 1, a plurality of monitoring modules 2 for collecting optical module monitoring information and an alarm unit 3, wherein the alarm unit 3 comprises a display screen 31 and a loudspeaker 32, an alarm signal receiving end of the alarm unit 3 is connected with an alarm signal sending end of the controller 1, and a monitoring data input end of the controller 1 is connected with a monitoring information output end of the monitoring module 2.
The above embodiments only exemplify preferred specific technical solutions and technical means, and do not exclude the scope of the claims of the present invention, and other alternatives to the technical means that can solve the technical problems should be understood as the contents of the claims of the present invention.
Claims (3)
1. A monitoring method of an optical module is characterized in that a monitoring module collects monitoring information of at least one optical module, the at least one monitoring module responds to a reading signal of a controller and sends the monitoring information to a controller, a monitoring information input end corresponding to the monitoring module is arranged in the controller, the controller matches a basic reading frequency for each information input end, the corresponding relation between the information input end of the controller and the reading frequency is put into a basic reading frequency library, the controller analyzes and stores the monitoring information, when the controller monitors an abnormal signal, the controller performs statistical analysis on the abnormal signal to generate an abnormal data arrangement table of the optical module;
storing design scheme information and unique number information of an optical module in an identity information storage area in a monitoring module, after an information path is established between a controller monitoring information input end and the monitoring module, reading the design scheme information and the unique number information of the optical module in the monitoring module by a controller, dividing an exclusive monitoring storage area for each optical module by the controller according to the unique number information, establishing a corresponding relation among the unique number of the optical module, the basic reading frequency of the controller information input end connected with the monitoring module and the design scheme information of the optical module, and storing the corresponding relation in the exclusive monitoring storage area;
the monitoring module is internally provided with a to-be-read area and a storage area, the monitoring module places the acquired monitoring information in the to-be-read area, after the monitoring module receives a reading signal of the controller, the monitoring module sends all the monitoring information of the to-be-read area to the controller and sends all the monitoring information of the to-be-read area to the storage area for storage, then the monitoring information in the to-be-read area is deleted, and the controller stores the monitoring information of the monitoring module in a corresponding exclusive monitoring storage area after receiving the monitoring information;
the controller carries out discrete analysis and trend prediction analysis on the collected monitoring information, sets a discrete threshold value, marks an optical module generating the monitoring information as a discrete quantity super-threshold value when the discrete distribution condition of the monitoring information exceeds the discrete threshold value, and sends alarm information to an alarm unit;
the controller analyzes abnormal data corresponding to the design scheme of each optical module, generates an abnormal total quantity arrangement table according to the design scheme of the optical module and the abnormal quantity of each abnormal type according to the abnormal quantity of each abnormal type; the method comprises the steps that a controller sets an abnormal total amount threshold value, and when the controller detects that the abnormal alarm number corresponding to a design scheme of an optical module exceeds the abnormal total amount threshold value, the controller marks the design scheme of the optical module as total amount abnormal; the controller sets an abnormal threshold value for each abnormal type respectively, and when the controller detects that the quantity of a certain abnormal type of the design scheme of the optical module exceeds the abnormal threshold value of the abnormal type, the controller binds the design scheme of the optical module with item abnormal information, wherein the item abnormal information comprises the abnormal type.
2. A method as claimed in claim 1, wherein the monitoring information includes operating temperature, voltage, bias current, range and resolution of transmitted and received optical power.
3. The optical module monitoring method as claimed in claim 1, wherein when the controller monitors that the monitoring information is abnormal, the controller sends an abnormal reporting message to the alarm unit, the display information in the abnormal message is sent to the display screen, the audio information in the abnormal message is sent to the speaker, the abnormal reporting message includes the unique serial number information of the optical module reporting the abnormality and the abnormal type information, and the abnormal type information is placed in the dedicated storage area corresponding to the unique serial number of the optical module reporting the abnormality.
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