CN111162836A - Connection detection and troubleshooting method of optical fiber vibration detection system - Google Patents
Connection detection and troubleshooting method of optical fiber vibration detection system Download PDFInfo
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- CN111162836A CN111162836A CN201911316569.8A CN201911316569A CN111162836A CN 111162836 A CN111162836 A CN 111162836A CN 201911316569 A CN201911316569 A CN 201911316569A CN 111162836 A CN111162836 A CN 111162836A
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- optical fiber
- connection
- detection system
- vibration detection
- fiber vibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- 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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
Abstract
The invention discloses a connection detection and troubleshooting method of an optical fiber vibration detection system, which comprises the following steps: checking basic operation conditions of the optical fiber vibration detection system, including the operation reliability of power modules of various hardware devices, connecting lines among the devices and an industrial personal computer; when the basic operation condition of the system is detected normally, carrying out a field knocking experiment; observing the response of a monitoring platform positioned on the industrial personal computer during a field knocking experiment, and judging whether hardware equipment and connection thereof have problems or not according to the response; when the hardware equipment and the connection thereof have problems, the root cause of the abnormality of the hardware system is further determined by combining the lamp flash condition of the signal acquisition equipment and the monitoring result of the optical power meter. The invention has very important significance in the aspect of security system research based on optical fiber interference, and solves the problem that the connection is complex and the connection and the fault troubleshooting are difficult to rapidly detect due to the optical fiber vibration detection system.
Description
Technical Field
The invention relates to the technical field of security and protection system research based on optical fiber interference, in particular to a connection detection and fault troubleshooting method of an optical fiber vibration detection system.
Background
With the acceleration of urban construction development speed, people pay more and more attention to public safety problems, and perimeter security plays an important role therein. The perimeter security protection is separated from the external environment by dividing the boundary of the area needing protection. Perimeter security is widely applied to various important places such as petroleum pipelines, residential districts, military bases, electric power construction and the like.
For the perimeter security system, at present, infrared correlation, laser correlation, optical fiber vibration, etc. are mainly included. The optical fiber vibration detection technology has the advantages of light weight, small size, electromagnetic interference resistance and the like, and is widely applied to the aspect of perimeter security systems by virtue of the advantages. However, the optical fiber vibration detection system may cause a series of problems during installation and actual operation, such as damage to hardware equipment, connection failure between the hardware equipment, connection error of the hardware equipment, and the like. In order to ensure the safety and reliability of the optical fiber vibration detection system, the connection and troubleshooting of the optical fiber vibration detection system are required. However, since the optical fiber vibration detection system is composed of a plurality of hardware devices, the connection between the hardware devices is complicated, and it is difficult to determine the root cause of a fault in the hardware system. At present, no method flow related to hardware connection and troubleshooting of the optical fiber vibration monitoring system exists. Therefore, it is necessary to research the troubleshooting steps of the optical fiber vibration detection system, so as to improve the efficiency and accuracy of finding faults and reduce the troubleshooting time. Therefore, a method for connection detection and troubleshooting of an optical fiber vibration detection system is urgently needed.
Disclosure of Invention
The invention aims to solve the problem that the connection of an optical fiber vibration detection system is complex and the connection and the troubleshooting are difficult to rapidly detect in the prior art, and provides a connection detection and troubleshooting method of the optical fiber vibration detection system, wherein the detection method comprises the operation reliability of a power module of each hardware device, a connecting line between devices and an industrial personal computer by checking the operation basic conditions of the optical fiber vibration detection system; when the basic operation condition of the system is detected normally, carrying out a field knocking experiment; observing the response of a monitoring platform positioned on the industrial personal computer during a field knocking experiment, and judging whether hardware equipment and connection thereof have problems or not according to the response; when the hardware equipment and the connection thereof have problems, the root cause of the abnormality of the hardware system is further determined by combining the lamp flash condition of the signal acquisition equipment and the monitoring result of the optical power meter.
The purpose of the invention can be achieved by adopting the following technical scheme:
a connection detection and troubleshooting method of an optical fiber vibration detection system is characterized in that the optical fiber vibration detection system is formed by sequentially connecting an industrial personal computer, an exchanger, signal acquisition equipment, an optical cable transfer box and a defense area through electric connection lines, wherein the industrial personal computer is used for processing and storing vibration signal data and providing a running environment for a monitoring platform; the switch is used for transmitting signal data between the industrial personal computer and the signal acquisition equipment; the signal acquisition equipment is used for acquiring vibration signal data in real time and converting optical signals into electric signals; the optical cable transfer box is used for connecting the signal acquisition equipment with a defense area optical cable; the defense area divides the monitoring range into a plurality of individual units through the defense area dividing packets to realize vibration invasion positioning, and the detection method comprises the following steps:
s1, checking basic operation conditions of the optical fiber vibration detection system, including the operation reliability of power modules of various hardware devices, connecting lines among the devices and an industrial personal computer;
s2, when the optical fiber vibration detection system runs normally, carrying out a field knocking experiment;
s3, observing the response of a monitoring platform positioned on an industrial personal computer during a field knocking experiment, and judging whether the hardware equipment and the connection thereof have problems or not according to the response;
s4, when the hardware equipment and the connection thereof have problems, the optical fiber vibration detection system is further checked by combining the light flash condition of the signal acquisition equipment and the monitoring result of the optical power meter.
Further, in step S1, detecting whether the operation indicator of each hardware device indicates that the device is in a normal operation state, reconnecting or replacing the power connection line of the hardware device, where the operation indicator indicates that the hardware device is abnormal, and if the abnormality still exists after reconnecting or replacing the power connection line of the hardware device, determining that the corresponding hardware device has a fault.
Further, in step S1, it is detected whether there is a damage trace in each connection line between the hardware devices, if there is a damage trace, a part of the damaged connection line of the hardware devices is replaced in time, and it is detected whether the connection ports of each connection line and the hardware devices are firm and not loose, and the part of the loose connection lines of the hardware devices should be loosened one by one and reconnected.
Further, in step S1, by detecting whether the monitoring platform located in the industrial personal computer has the function of updating the vibration signal data in real time, if the monitoring platform has the function of updating the vibration signal data in real time, the industrial personal computer is in a normal operating state, otherwise, the industrial personal computer is in a fault state.
Further, in step S2, when the basic operation condition of the optical fiber vibration detection system is detected normally, a hammer is used to beat or manually beat each defense area in the optical fiber vibration detection system to perform a field beating experiment, so as to simulate the intrusion of a vibration signal, the hammer should beat the distance of 10cm to 50cm from the vibration optical cable, and the manual beating can directly act on the surface of the vibration optical cable.
Further, in step S3, while performing the field knock experiment, observing and recording the response of the monitoring platform, if the response corresponds to the actual vibration intrusion experiment, the optical fiber vibration detection system operates normally, otherwise, the hardware device and the connection thereof of the optical fiber vibration detection system have a fault problem, where the response of the monitoring platform includes the vibration intrusion alarm amount, the vibration intrusion time, and the vibration signal waveform.
Further, in step S4, if there is a problem in the hardware device and the connection thereof of the optical fiber vibration detection system, observing a flashing condition of the signal acquisition device and determining a hardware device fault area according to the flashing condition; if the light of the signal acquisition equipment does not flash, the signal acquisition equipment has a fault; if the signal acquisition equipment flashes, the corresponding situation of a flash prevention area is taken as a criterion for further judgment; if the light part of the signal acquisition equipment does not flash, the light power detection result is used as a criterion for further judgment.
Further, the further judgment with the lamp flashover area corresponding condition as a criterion is as follows: the lamp condition of dodging is only the switch trouble with the corresponding sign in defence area, and the lamp condition of dodging and the corresponding sign in defence area have the optical cable transfer box wiring to connect the reverse condition, and the switch trouble.
Further, the further determination with the optical power detection result as a criterion is as follows: the optical power meter is used for detecting the wiring of the optical cable transfer box, the fault is represented to be located in each defense area when the wiring of the optical cable transfer box is normal, and the fault is represented to be located in the optical cable transfer box when the wiring of the optical cable transfer box is abnormal.
Compared with the prior art, the invention has the following advantages and effects:
the invention combines the field knock experiment and the hardware response of the optical fiber vibration detection system to quickly detect connection and troubleshoot faults, and realizes the detection of the hardware connection and the troubleshooting of the hardware faults under the situation that the connection of the optical fiber vibration detection system is complex. The invention has wide application range and is suitable for detecting the hardware connection and troubleshooting of the security system based on optical fiber interference.
Drawings
FIG. 1 is a detection flow chart of a connection detection and troubleshooting method of an optical fiber vibration detection system disclosed by the present invention;
FIG. 2 is a connection diagram of the components of the optical fiber vibration detection system in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The embodiment discloses a connection detection and troubleshooting method of an optical fiber vibration detection system. The detection method comprises the steps of checking the basic operation conditions of the optical fiber vibration detection system, developing a field knocking experiment, observing and judging the response of a monitoring platform, and observing and judging the light flash condition of the signal acquisition equipment and the monitoring result of the optical power meter.
The method comprises the following specific steps:
s1, checking basic operation conditions of the optical fiber vibration detection system, including the operation reliability of power modules of various hardware devices, connecting lines among the devices and an industrial personal computer;
as shown in fig. 2, the optical fiber vibration detection system is formed by sequentially connecting an industrial personal computer, an exchanger, signal acquisition equipment, an optical cable transfer box and a defense area through electric connection lines, wherein the industrial personal computer is used for processing and storing vibration signal data and providing a running environment for a monitoring platform; the switch is used for transmitting signal data between the industrial personal computer and the signal acquisition equipment; the signal acquisition equipment is used for acquiring vibration signal data in real time and converting optical signals into electric signals; the optical cable transfer box is used for connecting the signal acquisition equipment with a defense area optical cable; the defense area divides the monitoring range into a plurality of individual units by the defense area division packet, and vibration invasion positioning is realized.
The working indicator lamps of the hardware devices indicate that the devices are in working states, the hardware devices displaying abnormal conditions to the working indicator lamps are reconnected or replaced by the power supply connecting lines of the hardware devices, and if the abnormal conditions still exist after the power supply connecting lines of the hardware devices are reconnected or replaced, the corresponding hardware devices have faults.
The connecting lines between the hardware equipment are not damaged, partial damaged connecting lines of the hardware equipment are replaced in time, meanwhile, the connecting ports of the connecting lines and the hardware equipment are firm and not loosened, and the connecting lines of the partial loosened hardware equipment are loosened one by one and reconnected.
And a monitoring platform positioned on the industrial personal computer is required to run normally and has the function of updating the vibration signal data in real time, otherwise, the industrial personal computer is in a fault state.
S2, when the optical fiber vibration detection system runs normally, carrying out a field knocking experiment;
in the step S2, when the system operation basic condition is detected normally, a hammer strike or a manual tap is used to perform a field strike experiment on each defense area of the optical fiber vibration detection system, so as to simulate the intrusion of a vibration signal, the hammer strike should be spaced from the vibration optical cable by a distance of 10cm to 50cm, and the manual tap can directly act on the surface of the vibration optical cable.
S3, observing the response of a monitoring platform positioned on an industrial personal computer during a field knocking experiment, and judging whether the hardware equipment and the connection thereof have problems or not according to the response;
in step S3, when the field knock experiment is performed, the response of the monitoring platform should be observed and recorded, if the response corresponds to the actual vibration intrusion experiment, the optical fiber vibration detection system operates normally, otherwise, the hardware device and the connection thereof of the optical fiber vibration detection system have a fault problem, wherein the response of the monitoring platform includes the vibration intrusion alarm amount, the vibration intrusion time, the vibration signal waveform, and the like.
S4, when the hardware equipment and the connection thereof have problems, further determining the root cause of the abnormality of the hardware system by combining the light flash condition of the signal acquisition equipment and the monitoring result of the optical power meter;
in step S4, if there is a problem with the hardware device and the connection of the optical fiber vibration detection system, the flashing condition of the signal acquisition device is observed and the failure area of the hardware device is determined according to the flashing condition. If the light of the signal acquisition equipment does not flash, the signal acquisition equipment has a fault.
If the signal acquisition equipment flashes, the corresponding situation of the flash defense area is taken as a criterion for further judgment: the lamp condition of dodging is only the switch trouble with the corresponding sign in defence area, and the lamp condition of dodging and the corresponding sign in defence area have the optical cable transfer box wiring to connect the reverse condition, and the switch trouble.
If the flashing part of the light part of the signal acquisition equipment does not flash, the light power detection result is taken as a criterion for further judgment: the optical power meter is used for detecting the wiring of the optical cable transfer box, the fault is represented to be located in each defense area when the wiring of the optical cable transfer box is normal, and the fault is represented to be located in the optical cable transfer box when the wiring of the optical cable transfer box is abnormal.
In conclusion, the present embodiment combines the field knock experiment and the fast detection connection and troubleshooting of the hardware response of the optical fiber vibration detection system, and solves the problem that the connection of the optical fiber vibration detection system is complex and the connection and troubleshooting are difficult to fast detect. The connection detection and troubleshooting method of the optical fiber vibration detection system has wide practical application range and is suitable for detection of security system hardware connection and troubleshooting based on optical fiber interference.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (9)
1. A connection detection and troubleshooting method of an optical fiber vibration detection system is characterized in that the optical fiber vibration detection system is formed by sequentially connecting an industrial personal computer, an exchanger, signal acquisition equipment, an optical cable transfer box and a defense area through electric connection lines, wherein the industrial personal computer is used for processing and storing vibration signal data and providing a running environment for a monitoring platform; the switch is used for transmitting signal data between the industrial personal computer and the signal acquisition equipment; the signal acquisition equipment is used for acquiring vibration signal data in real time and converting optical signals into electric signals; the optical cable transfer box is used for connecting the signal acquisition equipment with a defense area optical cable; the defense area divides a monitoring range into a plurality of individual units through the defense area division packet to realize vibration invasion positioning, and is characterized in that the detection method comprises the following steps:
s1, checking basic operation conditions of the optical fiber vibration detection system, including the operation reliability of power modules of various hardware devices, connecting lines among the devices and an industrial personal computer;
s2, when the optical fiber vibration detection system runs normally, carrying out a field knocking experiment;
s3, observing the response of a monitoring platform positioned on an industrial personal computer during a field knocking experiment, and judging whether the hardware equipment and the connection thereof have problems or not according to the response;
s4, when the hardware equipment and the connection thereof have problems, the optical fiber vibration detection system is further checked by combining the light flash condition of the signal acquisition equipment and the monitoring result of the optical power meter.
2. The connection detection and troubleshooting method of an optical fiber vibration detection system of claim 1 wherein, in step S1, detecting whether the operation indicator of each hardware device indicates that the device is in a normal operation state, reconnecting or replacing the power connection line of the hardware device indicating an abnormality to the operation indicator, and if the abnormality still exists after reconnecting or replacing the power connection line of the hardware device, determining that the corresponding hardware device has a fault.
3. The connection detecting and troubleshooting method of claim 1 wherein in step S1, detecting whether there is a damage trace on each connection line between hardware devices, if there is a damage trace, replacing a part of the damaged connection line of hardware devices in time, and detecting whether the connection ports of each connection line and hardware devices are firm and not loose, and if there is a part of the loose connection line of hardware devices, the connection lines should be loosened and reconnected one by one.
4. The connection detection and troubleshooting method of an optical fiber vibration detection system of claim 1 wherein in step S1, by detecting whether a monitoring platform located on the industrial personal computer has a function of updating vibration signal data in real time, if so, the industrial personal computer is in a normal operating state, otherwise, the industrial personal computer is in a fault state.
5. The method as claimed in claim 1, wherein in step S2, when the basic condition of the optical fiber vibration detection system is detected to be normal, the on-site tapping experiment is performed by tapping with a hammer or manually tapping each defense area of the optical fiber vibration detection system to simulate the intrusion of the vibration signal, the tapping with the hammer should be separated from the vibration optical cable by a distance of 10cm to 50cm, and the manual tapping can directly act on the surface of the vibration optical cable.
6. The method as claimed in claim 1, wherein in step S3, the on-site knock test is performed while observing and recording the response of the monitoring platform, and if the response corresponds to the actual vibration intrusion test, the optical fiber vibration detection system operates normally, otherwise the hardware device and the connection of the optical fiber vibration detection system have a fault, wherein the response of the monitoring platform includes the number of vibration intrusion alarms, the vibration intrusion time and the vibration signal waveform.
7. The connection detection and troubleshooting method of an optical fiber vibration detection system of claim 1 wherein, in step S4, if there is a failure problem in the hardware device and its connection of the optical fiber vibration detection system, the flashing condition of the signal acquisition device is observed and the failure area of the hardware device is determined according to the flashing condition; if the light of the signal acquisition equipment does not flash, the signal acquisition equipment has a fault; if the signal acquisition equipment flashes, the corresponding situation of a flash prevention area is taken as a criterion for further judgment; if the light part of the signal acquisition equipment does not flash, the light power detection result is used as a criterion for further judgment.
8. The connection detection and troubleshooting method of an optical fiber vibration detection system as recited in claim 7, characterized in that said further judgment with the lamp flashover area correspondence as a criterion is as follows: the lamp condition of dodging is only the switch trouble with the corresponding sign in defence area, and the lamp condition of dodging and the corresponding sign in defence area have the optical cable transfer box wiring to connect the reverse condition, and the switch trouble.
9. The connection detection and troubleshooting method of an optical fiber vibration detection system as recited in claim 7, wherein the further determination with the optical power detection result as a criterion is as follows: the optical power meter is used for detecting the wiring of the optical cable transfer box, the fault is represented to be located in each defense area when the wiring of the optical cable transfer box is normal, and the fault is represented to be located in the optical cable transfer box when the wiring of the optical cable transfer box is abnormal.
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| CN106652285A (en) * | 2016-10-18 | 2017-05-10 | 上海广拓信息技术有限公司 | Distributed multi-defence-area vibration optical fiber perimeter alarm system and perimeter monitoring method |
| US20180080812A1 (en) * | 2017-07-25 | 2018-03-22 | University Of Electronic Science And Technology Of China | Distributed optical fiber sensing signal processing method for safety monitoring of underground pipe network |
| CN108509850A (en) * | 2018-02-24 | 2018-09-07 | 华南理工大学 | A kind of invasion signal Recognition Algorithm based on distribution type fiber-optic system |
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