CN102879876A - Sensing optical cable for monitoring cable - Google Patents
Sensing optical cable for monitoring cable Download PDFInfo
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- CN102879876A CN102879876A CN2012103198871A CN201210319887A CN102879876A CN 102879876 A CN102879876 A CN 102879876A CN 2012103198871 A CN2012103198871 A CN 2012103198871A CN 201210319887 A CN201210319887 A CN 201210319887A CN 102879876 A CN102879876 A CN 102879876A
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Abstract
The invention relates to a signal transmission medium, in particular to a sensing optical cable which can quickly monitor a temperature situation of the whole cable and a vibration situation of an environment surrounding the cable in real time when the cable has abnormal heat and is abnormally vibrated. A polymer sheath has a flat structure; due to the flat structure, a sensing optical fiber can be well matched with the cable to be detected; four optical fibers, namely a temperature detection optical fiber, two communication optical fibers and a vibration detection optical fiber, are sequentially arranged in the polymer sheath; a Kelvar aramid yarn and a metal helical bushing wrap each optical fiber and protect each optical fiber; and a metal reinforcement rib is arranged in the middle of the sensing optical cable, so that the mechanical property of the sensing optical cable can be well guaranteed. By the technical scheme, the sensing optical cable is simple in structure, small in size and easy to mount and cannot be influenced by electromagnetic interference; the detection speed is high; the detection information dynamic range is large; and the detection sensitivity is high.
Description
Technical field
The present invention relates to a kind of transmission signal vector, especially relate to a kind of in cable abnormal heat and when vibration, the sensing optic cable of can be in real time rapidly the vibration state of the temperature regime of whole piece cable and cable surrounding enviroment being monitored.
Background technology
In today of human stepped into information society, people require further urgent to the extraction of information, processing, transmission and comprehensive etc.As the function element of information extraction, sensor is more and more close with human relation.Sensor technology is the important component part of modern information technologies, also is one of core technology that represents the national science and technology competitive power.
Power industry is the basic industries of national economic development, and very important status is arranged in the development of the national economy.Developing rapidly along with China's economy in recent years, demand to electric power increases day by day, grade of rated voltage and the rated current of electric system all are greatly improved, by the key power network development of the 220KV of the eighties key electrical network of 500KV up till now, expectation is along with the construction of the large capacity step hydropower stations such as Jinsha jiang River, and China will occur carrying out the conveying of electric power by the transmission line of electricity of extra-high voltage 1200 KV.The rated voltage of the power transmission and transforming equipment in the electric system correspondingly and rated current all will improve thereupon, therefore, must research and development novel high-tension apparatus is in order to the situation of monitoring cable, therefore Fibre Optical Sensor is exactly one of them, the development of the sensing optic cable of cable monitoring usefulness is just become a thing highly significant.
The sensing optic cable of prior art is comprised of sheath, reinforcing sleeve, packed layer, sensor fibre etc., its structure is that sensor fibre wraps packed layer, reinforcing sleeve, sheath outward successively, and the making material that packed layer, reinforcing sleeve, sheath adopt is respectively: it is HF549-45 high flame resistance, low smoke bittern-free flame-proof material that Kev draws (Kevlar) to spin the model that synthetic fibre yarn, stainless-steel tube, U.S. SpeChen company produce.Its principle of work is: survey heat (abnormal heat that comprises the situations such as breaking out of fire) data by the sensor fibre that is arranged in the packed layer, then thermal data is transferred to the data processing host that is arranged in the sensing chamber, thereby realizes the safety monitoring to the scene.
Defective and deficiency that the sensing optic cable of prior art is applied in the existence in the cable security monitoring are as follows:
1, complex structure, it is slower that heat is delivered to sensing optic cable inside by the sensing optic cable outside, thereby cause monitoring reaction speed slow;
2, sheath does not adopt heat-conducting insulation material and its sensing optic cable not to be close to cable, and heat-transfer rate is slow.
Summary of the invention
Technical matters to be solved by this invention provides a kind of overcome defective and the deficiency of sensing optic cable to cable monitoring time the in the prior art, the sensing optic cable that can monitor the situation of whole piece cable rapidly in real time.
The technical solution adopted for the present invention to solve the technical problems is: a kind of cable monitoring sensor optical cable, its polymer jacket are a flat structure, and this flat structure is so that the external diameter tight connecting of described cable monitoring sensor optical cable and cable under test; Be sequentially with tactic following four optical fiber in its polymer jacket:
Be used for monitoring the temperature sensing optical fiber of described cable under test temperature;
The first communication optical fiber, the second communication optical fiber that are used for transmission information;
Vibration detecting optical fiber for the Vibration Condition of monitoring described cable monitoring sensor optical cable surrounding enviroment.
Be provided with a metal reinforcing in the middle of described the first communication optical fiber and the second communication optical fiber, can well guarantee the mechanical property of sensing optic cable;
On temperature sensing optical fiber and vibration detecting optical fiber, smear respectively responsive to temperature oil and vibration sensing oil, to improve detector response time and the responsiveness of temperature sensing optical fiber and vibration detecting optical fiber;
Wherein, described polymer jacket adopts heat-conducting insulation material.
Wherein, the outside of described temperature sensing optical fiber, the first communication optical fiber, the second communication optical fiber and vibration detecting optical fiber has all wrapped Kev and draws and spin synthetic fibre yarn and metal spiral sleeve.
The invention has the beneficial effects as follows: adopt the cable monitoring sensor optical cable of such scheme, it is simple in structure, and volume is little, is not subjected to electromagnetic interference (EMI), installs easily; And speed of detection is fast, and the detection information dynamic range is large, and detection sensitivity is high.
Description of drawings
Fig. 1 is the cross-sectional structure synoptic diagram of cable monitoring sensor optical cable embodiment one provided by the invention.
Fig. 2 is the cross-sectional structure synoptic diagram of cable monitoring sensor optical cable embodiment two provided by the invention.
Fig. 3 is the cross-sectional structure synoptic diagram of cable monitoring sensor optical cable embodiment three provided by the invention.
The parts that each Reference numeral represents in the accompanying drawing are as follows:
1: polymer jacket; 2: metal spiral sleeve; 3: Kev draws and spins the synthetic fibre yarn; 4: temperature sensing optical fiber;
5: the first communication optical fibers; 6: the second communication optical fibers; 7: vibration detecting optical fiber; 8: metal reinforcing.
Embodiment
Fig. 1 is the cross-sectional structure synoptic diagram of cable monitoring sensor optical cable embodiment one provided by the invention.
As shown in Figure 1, its polymer jacket 1 of cable monitoring sensor optical cable provided by the invention is a flat structure, and this flat structure is so that the external diameter tight connecting of described cable monitoring sensor optical cable and cable under test; Be sequentially with tactic following four optical fiber in its polymer jacket 1:
Be used for monitoring the temperature sensing optical fiber 4 of described cable under test temperature;
The first communication optical fiber 5, the second communication optical fiber 6 that are used for transmission information;
Vibration detecting optical fiber 7 for the Vibration Condition of monitoring described cable monitoring sensor optical cable surrounding enviroment.
Fig. 2 is the cross-sectional structure synoptic diagram of cable monitoring sensor optical cable embodiment two provided by the invention.
As shown in Figure 2, be provided with a metal reinforcing 8 in the middle of the first communication optical fiber 5 and the second communication optical fiber 6, this metal reinforcing 8 can well guarantee the mechanical property of sensing optic cable;
In the specific implementation, on temperature sensing optical fiber 4 and vibration detecting optical fiber 7, smear respectively responsive to temperature oil and vibration sensing oil, to improve detector response time and the responsiveness of temperature sensing optical fiber 4 and vibration detecting optical fiber 7.
In addition, described polymer jacket 1 adopts heat-conducting insulation material, so that cable monitoring sensor cable can well fit with cable to be monitored, so that the heat-transfer rate quickening.
Fig. 3 is the cross-sectional structure synoptic diagram of cable monitoring sensor optical cable embodiment three provided by the invention.
As shown in Figure 3, the outside of described temperature sensing optical fiber 4, the first communication optical fiber 5, the second communication optical fiber 6 and vibration detecting optical fiber 7 has all wrapped Kev and draws and spin synthetic fibre yarn 3 and metal spiral sleeve 2.This Kev draws and spins synthetic fibre yarn 3 and metal spiral sleeve 2 can well be protected cable monitoring sensor optical cable.
During concrete the application, cable monitoring sensor optical cable of the present invention bondage on the cable that needs are surveyed, is made the polymer jacket 1 and cable under test tight connecting of the flat structure of sensing optic cable.When there was abnormal vibrations the working site of cable under test, vibration detecting optical fiber 7 was transferred to the optical fibre vibration sensor main frame with vibration signal by the first telecommunication optical fiber 5 and second communication optical fiber 6, thereby can monitor the illegal stealing for cable.
When there is temperature anomaly the working site of cable under test, temperature sensing optical fiber 4 is transferred to the fibre optic temperature sensor main frame with temperature signal by the first telecommunication optical fiber 5 and second communication optical fiber 6, thereby real time temperature that can monitoring cable is for the management such as current-carrying capacity of cable increase-volume provide corresponding cable temperature data.
Implement the present invention, the beneficial effect that has is as follows:
Cable monitoring sensor optical cable volume of the present invention is little, is not subjected to electromagnetic interference (EMI), installs easily;
The information dynamic range of the detection of cable monitoring sensor optical cable of the present invention is large, and detection sensitivity is high.
Above-described embodiment just lists expressivity principle of the present invention and effect is described, but not is used for restriction the present invention.Any personnel that are familiar with technique all can without departing from the spirit and scope of the present invention, make amendment to above-described embodiment.Therefore, the scope of the present invention should be listed such as claims.
Claims (5)
1. cable monitoring sensor optical cable, it is characterized in that: the polymer jacket of described sensing optic cable is a flat structure, this flat structure is so that the external diameter tight connecting of described cable monitoring sensor optical cable and cable under test; Be sequentially with tactic following four optical fiber in the described polymer jacket:
Be used for monitoring the temperature sensing optical fiber of described cable under test temperature;
The first communication optical fiber, the second communication optical fiber that are used for transmission information;
Vibration detecting optical fiber for the Vibration Condition of monitoring described cable monitoring sensor optical cable surrounding enviroment.
2. a kind of cable monitoring sensor optical cable according to claim 1 is characterized in that: be provided with a metal reinforcing in the middle of described the first communication optical fiber and the second communication optical fiber.
3. a kind of cable monitoring sensor optical cable according to claim 2 is characterized in that: be coated with respectively responsive to temperature oil and vibration sensing oil on described temperature sensing optical fiber and the vibration detecting optical fiber.
4. a kind of cable monitoring sensor optical cable according to claim 3 is characterized in that: described polymer jacket employing heat-conducting insulation material.
5. each described a kind of cable monitoring sensor optical cable in 4 according to claim 1 is characterized in that: the outside of described temperature sensing optical fiber, the first communication optical fiber, the second communication optical fiber and vibration detecting optical fiber has all wrapped Kev and has drawn and spin synthetic fibre yarn and metal spiral sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103198871A CN102879876A (en) | 2012-09-03 | 2012-09-03 | Sensing optical cable for monitoring cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103198871A CN102879876A (en) | 2012-09-03 | 2012-09-03 | Sensing optical cable for monitoring cable |
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| CN102879876A true CN102879876A (en) | 2013-01-16 |
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| CN2012103198871A Pending CN102879876A (en) | 2012-09-03 | 2012-09-03 | Sensing optical cable for monitoring cable |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106408822A (en) * | 2016-11-25 | 2017-02-15 | 同方威视技术股份有限公司 | Vibration sensing optical cable used for perimeter surface and perimeter security system |
| CN106764454A (en) * | 2017-01-25 | 2017-05-31 | 山西科达自控股份有限公司 | Distribution type fiber-optic band and distributing optical fiber sensing pipe network monitoring device |
| US20190033125A1 (en) * | 2017-05-31 | 2019-01-31 | Corning Research & Development Corporation | Strain sensing optical cable with acoustic impedance matched layers |
| CN110146126A (en) * | 2019-05-10 | 2019-08-20 | 深圳供电局有限公司 | Cable connector stability monitoring method and cable connector monitor system |
| CN111127793A (en) * | 2019-12-25 | 2020-05-08 | 深圳供电局有限公司 | Cable anti-theft monitoring method and system, computer readable storage medium |
| CN111141412A (en) * | 2019-12-25 | 2020-05-12 | 深圳供电局有限公司 | Cable temperature and anti-theft dual-monitoring method and system and readable storage medium |
Citations (4)
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| CN1737629A (en) * | 2004-08-20 | 2006-02-22 | 中国石油天然气集团公司 | Cabling construction of distributed optical fibre sensor |
| US20070237448A1 (en) * | 2006-04-06 | 2007-10-11 | Honda Motor Co., Ltd. | Method for inspecting peeling in adhesive joint |
| CN101251633A (en) * | 2008-01-08 | 2008-08-27 | 上海华魏自动化设备有限公司 | Cable safety sensing optic cable |
| CN201917698U (en) * | 2011-01-19 | 2011-08-03 | 江苏通光信息有限公司 | Security protection communication guard optical cable with loose optical fiber and tight optical fiber mixed together |
-
2012
- 2012-09-03 CN CN2012103198871A patent/CN102879876A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737629A (en) * | 2004-08-20 | 2006-02-22 | 中国石油天然气集团公司 | Cabling construction of distributed optical fibre sensor |
| US20070237448A1 (en) * | 2006-04-06 | 2007-10-11 | Honda Motor Co., Ltd. | Method for inspecting peeling in adhesive joint |
| CN101251633A (en) * | 2008-01-08 | 2008-08-27 | 上海华魏自动化设备有限公司 | Cable safety sensing optic cable |
| CN201917698U (en) * | 2011-01-19 | 2011-08-03 | 江苏通光信息有限公司 | Security protection communication guard optical cable with loose optical fiber and tight optical fiber mixed together |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106408822A (en) * | 2016-11-25 | 2017-02-15 | 同方威视技术股份有限公司 | Vibration sensing optical cable used for perimeter surface and perimeter security system |
| CN106764454A (en) * | 2017-01-25 | 2017-05-31 | 山西科达自控股份有限公司 | Distribution type fiber-optic band and distributing optical fiber sensing pipe network monitoring device |
| CN106764454B (en) * | 2017-01-25 | 2020-06-23 | 山西科达自控股份有限公司 | Distributed optical fiber ribbon and distributed optical fiber sensing pipe network monitoring device |
| US20190033125A1 (en) * | 2017-05-31 | 2019-01-31 | Corning Research & Development Corporation | Strain sensing optical cable with acoustic impedance matched layers |
| US10684162B2 (en) * | 2017-05-31 | 2020-06-16 | Corning Research & Development Corporation | Strain sensing optical cable with acoustic impedance matched layers |
| CN110146126A (en) * | 2019-05-10 | 2019-08-20 | 深圳供电局有限公司 | Cable connector stability monitoring method and cable connector monitor system |
| CN111127793A (en) * | 2019-12-25 | 2020-05-08 | 深圳供电局有限公司 | Cable anti-theft monitoring method and system, computer readable storage medium |
| CN111141412A (en) * | 2019-12-25 | 2020-05-12 | 深圳供电局有限公司 | Cable temperature and anti-theft dual-monitoring method and system and readable storage medium |
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Application publication date: 20130116 |