CN104142186B - Remote fiber cable temperature detection alarm system - Google Patents
Remote fiber cable temperature detection alarm system Download PDFInfo
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- CN104142186B CN104142186B CN201410322402.3A CN201410322402A CN104142186B CN 104142186 B CN104142186 B CN 104142186B CN 201410322402 A CN201410322402 A CN 201410322402A CN 104142186 B CN104142186 B CN 104142186B
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Abstract
A kind of remote fiber cable temperature detection alarm system and method provided by the invention, if monitored cable breaks down, trouble point temperature raises, can cause optical signal attenuation in the transmitting procedure of temperature sensing optical cable excessive, finally cause the improper significantly decline of receipts light luminous power gathering at the light signal output end of temperature sensing optical cable, by monitoring the data cases of luminous luminous power and receipts light luminous power, judge whether monitored cable exists fault, to laser instrument, sensitization mail and signal processing technology require lower, later maintenance technology is simple, useful life is long, monitoring distance is long and cost is lower, be convenient to promote the use of.
Description
Technical field
The present invention relates to power cable thermometry field, specifically, the present invention relates to a kind of remote fiber cable temperature detection alarm system and method.
Background technology
Along with the carrying out of China's city integrated planning and construction, urban inner overhead transmission line is progressively replaced by power cable. Power cable is to lay by the mode of direct-burried, trombone slide or pipeline substantially, national grid 5OOKV cable all adopts tunnel to lay, the main system of laying of 66KV-220KV cable is tunnel and comb, the main system of laying of 10KV-35KV cable is comb and direct-burried, this has just caused being difficult to the ruuning situation of power cable to carry out walkaround inspection directly perceived, and the fault of emerged in operation is also difficult to monitoring and location. Power cable generally all can be accompanied by the rising of local temperature before breaking down and in fault, temperature is the important parameter of reaction power cable ruuning situation, therefore be monitoring power cable ruuning situation to the temperature monitoring of power cable, ensure the important means of power cable safe operation.
Temperature of Power Cables monitoring method conventional in prior art has: temperature sensing cable formula temp measuring system, mainly temperature sensing cable is laid on to tested power cable surface, in the time that temperature exceedes critical temperature value, temperature sensing cable short circuit, send temperature alarming information, but its monitoring distance is short, is subject to electromagnetic interference, system installation and maintenance work inconvenience, equipment is fragile; Temperature sensor temp measuring system, mainly lay thermistor equitemperature sensor in the power cable position of needs monitoring, by temperature sensor, the temperature of power cable is carried out to branch monitoring, but each temperature sensor needs separate cabling in this system, wiring complexity, and it is easily affected by environment, and function needs frequent verification, system link is many, and later maintenance amount is large; Cable duct temperature smog warning system, mainly lays temperature and smoke alarm unit at cable duct to emphasis monitored area, and it can only alleviate the effect of accident scope after power cable catches fire, and can not fundamentally prevent, reduce the generation of the fire incident of power cable; The temperature-measuring system of distributed fibers based on Raman scattering rising in recent years, use the carrier of optical fiber as transmission and transducing signal, effectively having overcome power system medium-high magnetic field disturbs, utilize sensing and the transmitting medium of optical fiber as temperature information, can measure along the variations in temperature on fiber lengths. Temperature-measuring system of distributed fibers based on Raman scattering need to be monitored stokes light and the anti-Stokes light reflecting and is isolated, because the signal strength signal intensity of stokes light and anti-Stokes light is faint, cause this system to be had relatively high expectations to laser instrument, sensor devices and signal processing technology, later maintenance technical sophistication, Acceptable life is relatively short, price is higher, and monitoring distance is short etc., greatly limits promoting the use of of it.
Summary of the invention
For this reason, technical problem to be solved by this invention is that the existing temperature-measuring system of distributed fibers based on Raman scattering has relatively high expectations to laser instrument, sensor devices and signal processing technology, later maintenance technical sophistication, Acceptable life is relatively short, price is higher, monitoring distance is short etc., greatly limits promoting the use of of it, thereby proposes a kind of remote fiber cable temperature detection alarm system and method.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of remote fiber cable temperature detection alarm system, comprising: temperature sensing optical cable, cable temperature alarm, server and monitor terminal, wherein:
Temperature sensing optical cable, described temperature sensing optical cable and monitored cable lay jointly, and every complete path channels that needs the described temperature sensing optical cable formation of monitoring to have optical signal input and light signal output end, and described temperature sensing optical cable raises fibre loss occurs with temperature;
Cable temperature alarm comprises:
Control module, for controlling optical module, communication module and alarm module;
Optical module, comprises light transmitting terminal and optical receiving end, and described smooth transmitting terminal is connected with described optical signal input, and the instruction that receives described control module is sent optical signal to described optical signal input; Described optical receiving end is connected with described light signal output end, for receiving the optical signal of described light signal output end output; Simultaneously, optical module receives the luminous luminous power of optical signal that the instruction acquisition of described control module sends to described optical signal input and the receipts light luminous power of the optical signal of described light signal output end output, and by the luminous luminous power gathering with receive light luminous power data and be sent to control module;
Communication module, the instruction that receives described control module by described luminous luminous power and described receipts light luminous power data upload to server;
Alarm module, receives the alarm command that control module sends, and monitored cable is reported to the police;
Working power, for giving described cable temperature alarm power supply;
Server, store and judge described luminous luminous power and receive light luminous power data, in described server, store described luminous luminous power and described receipts light luminous power data and the matching relationship that whether sends alarm command, if do not meet preset alarm condition, do not send alarm command, if meet preset alarm condition, alarm command be sent to monitor terminal and be sent to described control module by described communication module;
Monitor terminal, the alarm command that reception server sends, reports to the police to monitored cable.
Described a kind of remote fiber cable temperature detection alarm system, described temperature sensing optical cable is parallel with described monitored cable and closely lay.
Described a kind of remote fiber cable temperature detection alarm system, described temperature sensing optical cable and described monitored cable are repeatedly parallel and closely lay back and forth according to demand.
Described a kind of remote fiber cable temperature detection alarm system, also comprises optical time domain reflectometer, after breaking down at monitored cable, determines the particular location breaking down.
Described a kind of remote fiber cable temperature detection alarm system, described working power is transformer power taking and memory module, is arranged at the periphery of monitored cable, for from monitored cable power taking and changed into direct current energy storage.
Described a kind of remote fiber cable temperature detection alarm system, described communication module is wireless communication module.
Described a kind of remote fiber cable temperature detection alarm system, described alarm module is sound and light alarm module, for sending sound and light alarm signal.
A kind of remote fiber cable temperature detection alarm method, comprises the steps:
S01: temperature sensing optical cable and monitored cable are laid jointly, and every complete path channels that needs the described temperature sensing optical cable formation of monitoring to there is optical signal input and light signal output end, described temperature sensing optical cable raises fibre loss occurs with temperature;
S02: the interval scheduled time is sent optical signal to described optical signal input, described optical signal is after described temperature sensing optical cable transmission, in described light signal output end output; Gather the receipts light luminous power of the luminous luminous power of the optical signal sending to described optical signal input and the optical signal of described light signal output end output;
S03: by the described luminous luminous power collecting and described receipts light luminous power data upload to server;
S04: server stores also judges described luminous luminous power and receives light luminous power data, in described server, store described luminous luminous power and described receipts light luminous power data and the matching relationship that whether sends alarm command, if do not meet preset alarm condition, do not send alarm command, if meet preset alarm condition, alarm command is sent to the control module of monitor terminal and cable temperature alarm;
S05: monitor terminal receives the alarm command that described server sends, and monitored cable is reported to the police; Meanwhile, warning device receives the alarm command that described control module sends, and monitored cable is reported to the police.
A kind of described remote fiber cable temperature detection alarm method, temperature sensing optical cable described in described step S01 is parallel with described monitored cable and closely lay.
A kind of described remote fiber cable temperature detection alarm method, described temperature sensing optical cable and described monitored cable are repeatedly parallel and closely lay back and forth as required.
A kind of described remote fiber cable temperature detection alarm method, after step S05, also comprises that breakdown maintenance personnel utilize optical time domain reflectometer to determine the step of the particular location breaking down.
A kind of described remote fiber cable temperature detection alarm method, also comprises: in said process, power by working power.
A kind of described remote fiber cable temperature detection alarm method, the periphery that is also included in monitored cable arranges transformer, thereby from monitored cable power taking and changed into the step of direct current energy storage as working power.
A kind of described remote fiber cable temperature detection alarm method, described step S03 be specially the mode that adopts radio communication by the described luminous luminous power collecting and described receipts light luminous power data upload to server.
A kind of described remote fiber cable temperature detection alarm method, is characterized in that, in described step S05, warning device adopts the mode of sound and light alarm to report to the police to monitored cable.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) a kind of remote fiber cable temperature detection alarm system and method provided by the invention, temperature sensing optical cable and monitored cable are laid jointly, and every needs the described temperature sensing optical cable of monitoring to form the complete path channels with optical signal input and light signal output end, optical signal input to temperature sensing optical cable sends optical signal, the receipts light luminous power of the optical signal of the luminous luminous power of optical signal that collection is sent to the optical signal input of temperature sensing optical cable and the output of the light signal output end of temperature sensing optical cable also uploads onto the server, server stores also judges described luminous luminous power and receipts light luminous power data, if meet preset alarm condition, alarm command is sent to monitor terminal and control module, and alarm command is sent to warning device by control module, monitor terminal and warning device receive alarm command, and monitored cable is reported to the police. a kind of remote fiber cable temperature detection alarm system and method provided by the invention, if monitored cable breaks down, trouble point temperature raises, can cause optical signal attenuation in the transmitting procedure of temperature sensing optical cable excessive, finally cause the improper significantly decline of receipts light luminous power gathering at the light signal output end of temperature sensing optical cable, by monitoring the data cases of luminous luminous power and receipts light luminous power, judge whether monitored cable exists fault, to laser instrument, sensitization mail and signal processing technology require lower, later maintenance technology is simple, useful life is long, monitoring distance is long and cost is lower, be convenient to promote the use of.
(2) a kind of remote fiber cable temperature detection alarm system and method provided by the invention, by parallel with monitored cable temperature sensing optical cable and closely lay, make the variations in temperature of temperature sensing optical cable and the variations in temperature of monitored cable keep as much as possible consistent, the accuracy that has ensured monitoring has facilitated later use optical time domain reflectometer to position trouble point simultaneously; Temperature sensing optical cable and monitored cable is repeatedly parallel and closely lay back and forth as required, be convenient to the monitoring requirements of the cable that meets different thicknesses degree.
(3) a kind of remote fiber cable temperature detection alarm system and method provided by the invention, after monitoring cable and breaking down, breakdown maintenance personnel carry optical time domain reflectometer, determine the particular location breaking down, make the location of trouble point convenient and accurate, meanwhile, due to only after monitored cable breaks down, just need to use optical time domain reflectometer accurately to locate, save cost.
(4) a kind of remote fiber cable temperature detection alarm system and method provided by the invention, by being arranged at the transformer of monitored cable periphery, thereby from monitored cable power taking and changed into direct current energy storage and use as working power, without peripheral hardware working power, facilitate use.
(5) a kind of remote fiber cable temperature detection alarm system and method provided by the invention, the mode of employing radio communication is by the luminous luminous power collecting and receive light luminous power data upload to server, has reduced the loaded down with trivial details of wiring.
(6) a kind of remote fiber cable temperature detection alarm system and method provided by the invention, adopts the mode of sound and light alarm to report to the police to monitored cable, makes to report to the police more eye-catching and is easy to find, is convenient to breakdown maintenance personnel and finds.
Brief description of the drawings
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structured flowchart of a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention;
Fig. 2 is the cable fault location OTDR resolution chart of a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention;
Fig. 3 is the normal cable OTDR test curve of a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention;
Fig. 4 is the OTDR test curve that the cable of a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention exists focus;
Fig. 5 is a kind of cable fault of remote fiber cable temperature detection alarm system the OTDR test curve of temperature sensing optical cable interruption of one embodiment of the invention;
Fig. 6 is the structured flowchart of the cable temperature alarm of a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention;
Fig. 7 is the flow chart of a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention.
Detailed description of the invention
Embodiment 1
Shown in Figure 1, as a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention, comprising: temperature sensing optical cable, cable temperature alarm, server and monitor terminal, wherein:
Temperature sensing optical cable, described temperature sensing optical cable and monitored cable lay jointly, and every complete path channels that needs the described temperature sensing optical cable formation of monitoring to have optical signal input and light signal output end, and described temperature sensing optical cable raises fibre loss occurs with temperature. Temperature sensing optical cable can be thermally sensitive special optical cable, can be also the ordinary optical cable of additional temperature-sensitive physical device, needs to meet the rising along with temperature, and the flexibility that temperature-sensitive physical device causes optical cable changes, thereby causes the loss that bends of described optical cable. Temperature sensing optical cable can be placed on monitored cable, also can be built in monitored cable, be that temperature sensing optical cable has been laid on cable inside when power cable is produced, by the optical fiber at one end of temperature sensing optical cable or two ends is carried out to welding according to demand, can form in monitoring side complete path channels.
Cable temperature alarm comprises:
Control module, for controlling optical module, communication module and alarm module; Control module sends instruction to optical module, makes the optical module interval scheduled time send optical signal, and gathers luminous luminous power and receive light luminous power data; Control module sends instruction to communication module, makes communication module complete the transmission of data; Control module sends instruction to alarm module, and alarm module is reported to the police to monitored cable.
Optical module, comprises light transmitting terminal and optical receiving end, and described smooth transmitting terminal is connected with described optical signal input, and the instruction that receives described control module is sent optical signal to described optical signal input; Described optical receiving end is connected with described light signal output end, for receiving the optical signal of described light signal output end output; Simultaneously, optical module receives the luminous luminous power of optical signal that the instruction acquisition of described control module sends to described optical signal input and the receipts light luminous power of the optical signal of described light signal output end output, and by the luminous luminous power gathering with receive light luminous power data and be sent to control module;
Communication module, the instruction that receives described control module by described luminous luminous power and described receipts light luminous power data upload to server;
Alarm module, accepts the alarm command that control module sends, and monitored cable is reported to the police;
Working power, for giving described cable temperature alarm power supply.
Server, store and judge described luminous luminous power and receive light luminous power data, in described server, store described luminous luminous power and described receipts light luminous power data and the matching relationship that whether sends alarm command, if do not meet preset alarm condition, do not send alarm command, if meet preset alarm condition, alarm command be sent to monitor terminal and be sent to described control module by described communication module;
Monitor terminal, the alarm command that reception server sends, reports to the police to monitored cable. Monitor terminal can be the equipment such as mobile phone or display screen, the alarm command sending for reception server, be convenient to the ruuning situation that cable monitor staff learns monitored cable whenever and wherever possible, monitor terminal can write to server the information such as default alert if simultaneously.
A kind of remote fiber cable temperature detection alarm system provided by the invention, if monitored cable breaks down, trouble point temperature raises, can cause optical signal attenuation in the transmitting procedure of temperature sensing optical cable excessive, finally cause the improper significantly decline of receipts light luminous power gathering at the light signal output end of temperature sensing optical cable, by monitoring the data cases of luminous luminous power and receipts light luminous power, judge whether monitored cable exists fault, to laser instrument, sensitization mail and signal processing technology require lower, later maintenance technology is simple, useful life is long, monitoring distance is long and cost is lower, be convenient to promote the use of.
Embodiment 2
As a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention, on the basis of above-described embodiment 1, described temperature sensing optical cable is parallel with described monitored cable and closely lay, make the variations in temperature of temperature sensing optical cable and the variations in temperature of monitored cable keep as much as possible consistent, the accuracy that has ensured monitoring has facilitated later use optical time domain reflectometer to position trouble point simultaneously.
Described temperature sensing optical cable and described monitored cable are repeatedly parallel and closely lay back and forth according to demand, can lay many temperature sensing optical cables monitored cable surface is parallel according to the fineness of monitored cable and different monitoring requirements, meet multiple demand, easy to use. By at one end or two ends carry out welding processing to different temperature sensing optical cables or with the optical fiber of bar temperature sensing optical cable according to demand, can form a complete path channels.
Embodiment 3
As a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention, on the basis of above-described embodiment 2, also comprise optical time domain reflectometer, after breaking down at monitored cable, determine the particular location breaking down. After monitoring cable and breaking down, breakdown maintenance personnel carry optical time domain reflectometer and reach the spot, the alarm signal of sending according to cable temperature alarm, find out doubtful failure cable, the optical signal input of temperature sensing optical cable jointly laying with doubtful failure cable and the optical module of light signal output end and cable temperature alarm are disconnected, test this light path with optical time domain reflectometer simultaneously.
As a kind of specific implementation, as shown in Figure 2, the cable fault that lays mode for single-circuit temperature sensing optical cable is located OTDR resolution chart, under its typical non-failure conditions, OTDR curve as shown in Figure 3, in figure B point by a small margin step to decline be that the splice loss, splice attenuation of two temperature sensing optical cable correspondences being ordered at b in due to Fig. 2 causes, C point peak value is because temperature sensing optical cable end points causes the Fresnel reflection of light; When cable d point in Fig. 2 breaks down, while causing excess Temperature, can cause the loss of this point to increase, being reacted on OTDR curve is exactly that a step by a relatively large margin declines, as shown in D point in Fig. 4 curve; When the d point of cable in Fig. 2 suffers outside destroy etc., while causing temperature sensing optical cable to interrupt, its reaction is exactly that optical signal interrupts at OTDR curve, as shown in D point in Fig. 5 curve; So, can obtain the distance and position information of improper attenuation point by the OTDR curve of tested temperature sensing optical cable, carry out failure judgement point position in conjunction with cable length simultaneously, can find trouble point and it is processed.
A kind of remote fiber cable temperature detection alarm system that the present embodiment provides, makes the location of trouble point convenient and accurate, meanwhile, due to only after monitored cable breaks down, just need to use optical time domain reflectometer accurately to locate, and has saved cost.
Embodiment 4
As a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention, on the basis of the arbitrary embodiment of above-mentioned 1-3, described working power is transformer power taking and memory module, be arranged at the periphery of monitored cable, for from monitored cable power taking and changed into direct current energy storage.
As other implementations, described working power can be the lead-acid accumulator satisfying condition or directly change common civil power into satisfy condition direct current, all can realize the function of described working power.
A kind of remote fiber cable temperature detection alarm system that the present embodiment provides, as working power, easy to use without external device.
Embodiment 5
As a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention, on the basis of the arbitrary embodiment of above-mentioned 1-4, described communication module is wireless communication module.
As specific implementation, described wireless communication module can be GPRS communication module, 3G communication module, 4G communication module etc., as long as can realize the luminous luminous power that luminous power acquisition module is sent and the function of receiving light luminous power data and uploading onto the server.
A kind of remote fiber cable temperature detection alarm system that the present embodiment provides, by the luminous luminous power collecting with receive light luminous power data upload to server, has reduced the loaded down with trivial details of wiring by wireless communication module.
Embodiment 6
As a kind of remote fiber cable temperature detection alarm system of one embodiment of the invention, on the basis of the arbitrary embodiment of above-mentioned 1-5, described alarm module is sound and light alarm module, be used for sending sound and light alarm signal, make to report to the police more eye-catching and be easy to find, being convenient to breakdown maintenance personnel and finding.
As the concrete occupation mode of one, shown in Figure 6, the control module of described cable temperature alarm can be MCU, described cable temperature alarm can also have button and display, and button is closed alarm signal after reaching the spot for troubleshooting personnel, display can show the real time temperature situation of current cable, described communication module comprises wire communication module and wireless communication module, and two kinds of communication modes are set, easy to use.
Embodiment 7
Shown in Figure 7, as a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention, comprise the steps:
S01: temperature sensing optical cable and monitored cable are laid jointly, and every complete path channels that needs the described temperature sensing optical cable formation of monitoring to there is optical signal input and light signal output end, described temperature sensing optical cable raises fibre loss occurs with temperature. Temperature sensing optical cable can be thermally sensitive special optical cable, can be also the ordinary optical cable of additional temperature-sensitive physical device, needs to meet the rising along with temperature, and the flexibility that temperature-sensitive physical device causes optical cable changes, thereby causes the loss that bends of described optical cable. Temperature sensing optical cable can be placed on monitored cable, also can be built in monitored cable, be that temperature sensing optical cable has been laid on cable inside when power cable is produced, by the optical fiber at one end of temperature sensing optical cable or two ends is carried out to welding according to demand, can form in monitoring side complete path channels.
S02: the interval scheduled time is sent optical signal to described optical signal input, described optical signal is after described temperature sensing optical cable transmission, in described light signal output end output; Gather the receipts light luminous power of the luminous luminous power of the optical signal sending to described optical signal input and the optical signal of described light signal output end output.
S03: by the described luminous luminous power collecting and described receipts light luminous power data upload to server.
S04: server stores also judges described luminous luminous power and receives light luminous power data, in described server, store described luminous luminous power and described receipts light luminous power data and the matching relationship that whether sends alarm command, if do not meet preset alarm condition, do not send alarm command, if meet preset alarm condition, alarm command is sent to the control module of monitor terminal and cable temperature alarm.
S05: monitor terminal receives the alarm command that described server sends, and monitored cable is reported to the police; Meanwhile, warning device receives the alarm command that described control module sends, and monitored cable is reported to the police.
A kind of remote fiber cable temperature detection alarm method provided by the invention, if monitored cable breaks down, trouble point temperature raises, can cause optical signal attenuation in the transmitting procedure of temperature sensing optical cable excessive, finally cause the improper significantly decline of receipts light luminous power gathering at the light signal output end of temperature sensing optical cable, by monitoring the data cases of luminous luminous power and receipts light luminous power, judge whether monitored cable exists fault, to laser instrument, sensitization mail and signal processing technology require lower, later maintenance technology is simple, useful life is long, monitoring distance is long and cost is lower, be convenient to promote the use of.
Embodiment 8
As a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention, on the basis of above-described embodiment 7, temperature sensing optical cable described in described step S01 is parallel with described monitored cable and closely lay, make the variations in temperature of temperature sensing optical cable and the variations in temperature of monitored cable keep as much as possible consistent, the accuracy that has ensured monitoring has facilitated later use optical time domain reflectometer to position trouble point simultaneously.
Described temperature sensing optical cable and described monitored cable are repeatedly parallel and closely lay back and forth according to demand, can lay many temperature sensing optical cables monitored cable surface is parallel according to the fineness of monitored cable and different monitoring requirements, meet multiple demand, easy to use. By at one end or two ends carry out welding processing to different temperature sensing optical cables or with the optical fiber of bar temperature sensing optical cable according to demand, can form a complete path channels.
Embodiment 9
As a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention, on the basis of above-described embodiment 8, after step S05, also comprise that breakdown maintenance personnel utilize optical time domain reflectometer to determine the step of the particular location breaking down. After monitoring cable and breaking down, maintenance personal carries optical time domain reflectometer and reaches the spot, the alarm signal of sending according to cable temperature alarm, find out doubtful failure cable, the optical signal input of temperature sensing optical cable jointly laying with doubtful failure cable and the optical module of light signal output end and cable temperature alarm are disconnected, test this light path with optical time domain reflectometer simultaneously.
A kind of remote fiber cable temperature detection alarm method that the present embodiment provides, makes the location of trouble point convenient and accurate, meanwhile, due to only after monitored cable breaks down, just need to use optical time domain reflectometer accurately to locate, and has saved cost.
Embodiment 10
As a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention, on the basis of the arbitrary embodiment of above-mentioned 7-9, be that the said equipment in the method is powered by working power.
Embodiment 11
As a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention, on the basis of above-described embodiment 10, the periphery that is also included in monitored cable arranges transformer, thereby from monitored cable power taking and changed into the step of direct current energy storage as working power.
As other implementations, described working power can be the lead-acid accumulator satisfying condition or directly change common civil power into satisfy condition direct current, all can realize the function of described working power.
A kind of remote fiber cable temperature detection alarm method that the present embodiment provides, provides working power by transformer being set in the periphery of monitored cable, without external device, easy to use.
Embodiment 12
As a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention, on the basis of the arbitrary embodiment of above-mentioned 7-11, described step S03 be specially the mode that adopts radio communication by the described luminous luminous power collecting and described receipts light luminous power data upload to server.
As specific implementation, described communication can be GPRS communication, 3G communication, 4G communication etc., as long as can realize the luminous luminous power collecting and the function of receiving light luminous power data and uploading onto the server.
A kind of remote fiber cable temperature detection alarm method that the present embodiment provides, the mode by radio communication is by the luminous luminous power collecting and receive light luminous power data upload to server, has reduced the loaded down with trivial details of wiring.
Embodiment 13
As a kind of remote fiber cable temperature detection alarm method of one embodiment of the invention, on the basis of the arbitrary embodiment of above-mentioned 7-12, described step S05 specifically adopts the mode of sound and light alarm to report to the police to monitored cable, this kind of alarm method makes to report to the police more eye-catching and is easy to find, is convenient to breakdown maintenance personnel and finds.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also giving exhaustive to all embodiments. And the apparent variation of being extended out thus or variation are still among the protection domain in the invention.
Claims (7)
1. a remote fiber cable temperature detection alarm system, is characterized in that, comprising: temperature sensing optical cable,Cable temperature alarm, server and monitor terminal, wherein:
Temperature sensing optical cable, described temperature sensing optical cable and monitored cable lay jointly, and every need monitoring described inTemperature sensing optical cable forms the complete path channels with optical signal input and light signal output end, described senseTemperature optical cable raises fibre loss occurs with temperature;
Cable temperature alarm further comprises: control module, optical module, communication module, alarm moduleAnd working power, wherein:
Control module, for controlling optical module, communication module and alarm module;
Optical module, comprises light transmitting terminal and optical receiving end, and described smooth transmitting terminal and described optical signal are defeatedEnter end and be connected, the instruction that receives described control module is sent optical signal to described optical signal input; DescribedOptical receiving end is connected with described light signal output end, for receiving the light letter of described light signal output end outputNumber; Meanwhile, optical module receives that the instruction acquisition of described control module sends to described optical signal inputThe receipts light luminous power of the optical signal of the luminous luminous power of optical signal and the output of described light signal output end, and willThe luminous luminous power gathering and receipts light luminous power data are sent to control module;
Communication module, receives the instruction of described control module by described luminous luminous power and described receipts lightLuminous power data upload is to server;
Alarm module, receives the alarm command that control module sends, and monitored cable is reported to the police;
Working power, for giving described cable temperature alarm power supply;
Server, stores and judges described luminous luminous power and receive light luminous power data, in described serverStore described luminous luminous power and described receipts light luminous power data and whether send mating of alarm commandRelation, if do not meet preset alarm condition, does not send alarm command, if meet preset alarm condition,Alarm command be sent to monitor terminal and be sent to described control module by described communication module;
Monitor terminal, the alarm command that reception server sends, reports to the police to monitored cable.
2. a kind of remote fiber cable temperature detection alarm system according to claim 1, its featureBe, described temperature sensing optical cable is parallel with described monitored cable and closely lay.
3. a kind of remote fiber cable temperature detection alarm system according to claim 2, its spyLevy and be, described temperature sensing optical cable and described monitored cable parallel and tight cloth back and forth repeatedly according to demandPut.
4. a kind of remote fiber cable temperature detection alarm system according to claim 3, its featureBe, also comprise optical time domain reflectometer, after breaking down at monitored cable, determine and break downParticular location.
5. according to the arbitrary described a kind of remote fiber cable temperature detection alarm system of claim 1-4,It is characterized in that, described working power is transformer power taking and memory module, is arranged at monitored cablePeriphery, for from monitored cable power taking and changed into direct current energy storage.
6. according to the arbitrary described a kind of remote fiber cable temperature detection alarm system of claim 1-4,It is characterized in that, described communication module is wireless communication module.
7. according to the arbitrary described a kind of remote fiber cable temperature detection alarm system of claim 1-4,It is characterized in that, described alarm module is sound and light alarm module, for sending sound and light alarm signal.
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| CN201610111973.1A CN105758552B (en) | 2014-07-08 | 2014-07-08 | A kind of remote fiber cable temperature detection alarm method |
| CN201410322402.3A CN104142186B (en) | 2014-07-08 | 2014-07-08 | Remote fiber cable temperature detection alarm system |
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| CN201410322402.3A CN104142186B (en) | 2014-07-08 | 2014-07-08 | Remote fiber cable temperature detection alarm system |
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| CN104964761A (en) * | 2015-01-14 | 2015-10-07 | 四川安普光控科技有限公司 | Super-dense sampling high-precision fiber temperature measurement system |
| CN105450296A (en) * | 2015-12-30 | 2016-03-30 | 桂林创研科技有限公司 | Optical fiber monitoring system |
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| CN103226045A (en) * | 2012-01-30 | 2013-07-31 | 上海市电力公司 | Method for monitoring temperature of power transmission and transformation system based on optical cable sense communication technology |
| CN202485830U (en) * | 2012-01-30 | 2012-10-10 | 上海市电力公司 | Temperature monitoring and alarm device for power distribution and transformation system |
| CN203376077U (en) * | 2013-01-06 | 2014-01-01 | 王学伟 | Extra-high voltage power cable detection apparatus with temperature detection and alarm functions |
| CN203337270U (en) * | 2013-06-25 | 2013-12-11 | 天津泺佳科技有限公司 | Cable temperature measuring system |
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