CN119686141A - High-resistant Wen Zhihui cable strand and manufacturing method thereof - Google Patents
High-resistant Wen Zhihui cable strand and manufacturing method thereof Download PDFInfo
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- CN119686141A CN119686141A CN202411830958.3A CN202411830958A CN119686141A CN 119686141 A CN119686141 A CN 119686141A CN 202411830958 A CN202411830958 A CN 202411830958A CN 119686141 A CN119686141 A CN 119686141A
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Abstract
本发明公开了一种耐高温的智慧索股及其制作方法，属于桥梁结构缆索监测领域，耐高温智慧索股包括中心通长钢丝，中心通长钢丝外周布设有多根外围通长钢丝和至少一根uw光纤光栅智慧线，uw光纤光栅智慧线包括呈索股结构的uw光纤光栅器件，uw光纤光栅器件的两端与外部解调仪相连，通过在耐高温智慧索股设置uw光纤光栅器件且将耐高温智慧索股设置在主缆内部，进而获得主缆内部的温度和湿度数据，并且可以将温度和湿度数据传递至外部解调仪，解调仪感知主缆内部的温度和湿度的空间分布和参数随时间的变化规律，有助于判别主缆内部钢丝锈蚀程度，延长主缆结构和桥梁的使用寿命，达到对缆索进行实时监测的目的。
The invention discloses a high-temperature resistant smart cable strand and a manufacturing method thereof, which belongs to the field of bridge structure cable monitoring. The high-temperature resistant smart cable strand comprises a central full-length steel wire, a plurality of peripheral full-length steel wires and at least one UW fiber grating smart line are arranged on the periphery of the central full-length steel wire, and the UW fiber grating smart line comprises a UW fiber grating device in a cable strand structure, and both ends of the UW fiber grating device are connected to an external demodulator. By arranging the UW fiber grating device on the high-temperature resistant smart cable strand and arranging the high-temperature resistant smart cable strand inside a main cable, the temperature and humidity data inside the main cable are obtained, and the temperature and humidity data can be transmitted to the external demodulator. The demodulator senses the spatial distribution of the temperature and humidity inside the main cable and the law of parameter changes over time, which is helpful to judge the degree of rust of the steel wire inside the main cable, prolong the service life of the main cable structure and the bridge, and achieve the purpose of real-time monitoring of the cable.
Description
Technical Field
The invention relates to the field of bridge structure cable monitoring, in particular to a high-resistant Wen Zhihui cable strand and a manufacturing method thereof.
Background
In the field of civil engineering, bridge structures such as suspension bridges, arch bridges and cable-stayed bridges are used in large numbers as cable structures. The cable structure mainly bears the tensile force. The safety, reliability and durability of the bridge have great influence on the normal use of the bridge structure. The cable structure comprises a stress member, an anchoring member, a protection member, a wind-resistant and vibration-resistant member, a connecting member and the like. The stress member mainly comprises steel wires, steel strands or fiber bundles.
Damage to the cable structure is often its internal rust and wire breakage. Thus, sensing or monitoring internal characteristics of the cable structure is important. The cable structure is generally provided with protective members such as an outer grease layer, an outer cement-based material layer, a wrapped ribbon, a hot extruded PE sheath, and the like, to cope with severe environmental conditions such as vibration, strong wind, high temperature, rain, ice and snow, high salinity, and the like. If the main cable is not opened or the PE sheath is not cut, the rust and wire breakage of the cable structure is difficult to detect at present.
The rust and broken wire detection method of the cable structure comprises nondestructive detection methods such as visual inspection (rust, iron oxide liquid and percolate), a guided wave detection method, an X-ray detection method, an electromagnetic method and an acoustic emission detection method. However, these methods are only passive and cannot be replaced or maintained if the cable is corroded or broken. The method can not sense the inside of the cable structure continuously in real time, and can not evaluate the severity of rust and disease of the steel wire in time.
Disclosure of Invention
The invention provides a high-resistant Wen Zhihui cable and a manufacturing method thereof, which solve the problems that the existing cable structure detection method cannot continuously sense in real time and cannot evaluate rust and damage of steel wires in time.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The invention provides a high-temperature resistant Wen Zhihui cable which is arranged in a main cable in a penetrating manner, wherein the high-temperature resistant smart cable comprises a central through long steel wire, a plurality of peripheral through long steel wires and at least one uw fiber bragg grating smart wire are arranged on the periphery of the central through long steel wire, each uw fiber bragg grating smart wire comprises a uw fiber bragg grating device in a cable strand structure, two ends of each uw fiber bragg grating device are connected with an external demodulator, and each uw fiber bragg grating device is used for monitoring temperature and humidity data in the main cable.
The central through long steel wire and the plurality of peripheral through long steel wires have the functions of protecting longitudinal tension, transverse extrusion force and torsion force born by the uw fiber bragg grating intelligent line, namely, unnecessary damage to the uw fiber bragg grating intelligent line caused by external factors is effectively avoided, and continuity and accuracy of monitoring data are ensured.
The basic principle of the high-temperature-resistant smart cable is that the uw fiber bragg grating device is arranged on the high-temperature-resistant smart cable, the high-temperature-resistant smart cable is arranged inside the main cable, temperature and humidity data inside the main cable are further obtained, the temperature and humidity data can be transmitted to an external demodulator, the spatial distribution of the temperature and the humidity inside the main cable and the change rule of parameters along with time can be perceived, the corrosion degree of steel wires inside the main cable can be judged, the service lives of the main cable structure and a bridge can be prolonged, and the purpose of monitoring the cable in real time can be achieved.
Further, the number of the uw fiber grating smart wires is two, and the uw fiber grating devices in the two uw fiber grating smart wires are respectively a temperature type fiber grating sensor and a humidity type fiber grating sensor. The temperature type fiber bragg grating sensor is used for monitoring temperature parameters of the steel wires in the main cable in real time, and the humidity type fiber bragg grating sensor is used for monitoring humidity parameters of the steel wires in the main cable in real time. By combining the change trend of the temperature parameter and the humidity parameter, the humidity condition in the main cable can be timely estimated, and hidden danger in the main cable can be found as soon as possible.
Further, the uw fiber grating smart wire further comprises metal sleeves sleeved at two ends of the uw fiber grating device, the metal sleeves are fixed with the end parts of the uw fiber grating device in a metal casting mode, and a plurality of first through holes are formed in the pipe walls of the metal sleeves along the length direction of the metal sleeves. The metal sleeve is used for protecting the end part of the uw fiber grating device and avoiding the damage of the high-temperature-resistant smart cable strand in the anchoring process. And the setting of first through-hole is that the environment that the wisdom line of realization uw fiber grating is located keeps the intercommunication with the inside environment of main cable, ensures that air can circulate and heat can smooth and easy transmission for measure the inside temperature and humidity parameter of main cable.
Further, the periphery of the periphery through long steel wires and the uw fiber bragg grating smart wires are wrapped with at least one layer of Kevlar braiding, and the Kevlar braiding realizes that the center through long steel wires, the periphery through long steel wires and the uw fiber bragg grating smart wires form high-resistant Wen Zhihui cable strands. And a plurality of characteristic points are arranged on the middle section of the uw fiber bragg grating device at intervals, the positions corresponding to the characteristic points of the uw fiber bragg grating device are fixed with the central through long steel wire, and the middle section of the uw fiber bragg grating device is in a stress-free state after being fixed.
Considering that the position of the uw fiber bragg grating device cannot be fixed, the metal sleeve is kept hollow, and the uw fiber bragg grating device is guaranteed to be in a stress-free state. In the initial state, the temperature type fiber bragg grating sensor and the humidity type fiber bragg grating sensor are kept in a loose state, but are relatively fixed at certain characteristic points at certain intervals, and the fixing mode is not limited to pasting or binding, so that when the central through long steel wire is stressed, the temperature type fiber bragg grating sensor and the humidity type fiber bragg grating sensor can keep a synchronous micro-deformation state in the metal sleeve, and the internal environment parameters of the main cable can be accurately measured. Meanwhile, when the high-temperature-resistant smart cable strand is specifically arranged, the survival rate of the smart cable strand can be increased by simultaneously arranging a plurality of groups of uw fiber bragg grating devices in a single metal sleeve.
Further, a flow guide pipe is arranged in the metal sleeve, the flow guide pipe is arranged close to the end part of the uw fiber bragg grating device, and the flow guide pipe is communicated with an external cooling circulation device. In the metal casting and fixing process, the temperature of the end part of the uw fiber grating device is reduced to 75-80 ℃ by the honeycomb duct, so that the end part of the uw fiber grating device is prevented from being damaged.
Further, the metal sleeve is made of alloy copper, and a layer of anti-ablation coating is sprayed on the outer surface of the metal sleeve. The anti-ablation coating is a composite material and consists of epoxy resin (phenolic resin), graphite, a modifier, a curing agent, silicon oxide and the like, is a safety measure, and can work if the previous high-temperature-resistant measure fails, and absorbs heat through ablation of the coating to protect an internal uw fiber bragg grating device.
Further, a metal mesh layer is woven on the outer surface of the metal sleeve, the metal mesh layer is a stainless steel wire-shaped braided fabric, and the metal mesh layer is used for flexibly protecting an internal uw fiber bragg grating device and can adapt to deformation of strands in the processing process.
Further, the metal mesh braiding layer is sleeved with a glass fiber sleeve, and the heat transfer process of the high-temperature-resistant smart rope strand is from outside to inside. Asbestos material is the first measure, mainly thermal insulation. However, asbestos materials are very stiff and may fracture when the strands are bent. The glass fiber sleeve is used as a second high temperature prevention measure, can provide certain rigidity and has lighter weight. The process test has found this problem and this new measure.
Further, asbestos is wrapped outside the resin type glass fiber sleeve, and a plurality of second through holes communicated with the first through holes are formed in the ablation-preventing coating, the metal net-shaped woven layer and the glass fiber sleeve.
The invention also provides a manufacturing method of the high-resistant Wen Zhihui cable, which comprises the following steps:
step 1, determining design parameters of a metal sleeve and asbestos;
Step 2, spraying an anti-ablation coating on the metal sleeve;
Step 3, weaving a metal mesh layer on the metal sleeve;
step 4, sleeving a glass fiber sleeve on the metal mesh layer;
step 5, drilling a plurality of first through holes and second through holes by using a drilling device;
Step 6, wrapping a plurality of layers of asbestos outside the metal sleeve;
Step 7, fixing a metal sleeve on the end part of the uw fiber grating device in a metal casting mode, wherein in the casting process, the uw fiber grating device tests the temperature of the surrounding environment in real time, and an external cooling circulation device circularly conveys a cooling medium to the guide pipe to enable the temperature of the end part of the uw fiber grating device to be 75-85 ℃;
And 8, arranging the uw fiber grating smart wire and the peripheral through long steel wire at the periphery of the central through long steel wire, and winding and fixing the uw fiber grating smart wire, the peripheral through long steel wire and the central through long steel wire by using at least one layer of Kevlar braiding to obtain the high-temperature-resistant smart cable strand.
The beneficial effects of the invention are as follows:
1. According to the high-temperature-resistant Wen Zhihui cable disclosed by the invention, the uw fiber bragg grating device is arranged in the high-temperature-resistant smart cable, and the high-temperature-resistant smart cable is arranged in the main cable, so that the state parameters of multiple position points in the main cable are measured, the spatial distribution of the temperature and the humidity in the main cable can be perceived, the change rule of the temperature and the humidity parameters in the cable structure along with time can be perceived, the corrosion degree of steel wires in the main cable can be judged, the service lives of the main cable structure and a bridge can be prolonged, and the purpose of monitoring the cable in real time can be achieved.
2. The high-resistant Wen Zhihui cable provided by the invention can adapt to different areas and climatic conditions, and the end part of the cable can resist the high temperature of 600 ℃ so as to facilitate the on-site hot-cast anchoring construction of a hot-cast anchoring cable system.
3. When the main cable of the suspension bridge is constructed, particularly the reference cable strand, the cable is generally regulated. The high-resistant Wen Zhihui cable provided by the invention can sense the state in the full-time through length range and provide temperature field data for a construction control unit, and the construction control unit can be used for cable line type and sag adjustment during construction, thereby being beneficial to the construction control work of a cable system.
Drawings
FIG. 1 is a schematic cross-sectional view of a high temperature resistant smart strand.
Fig. 2 is a schematic diagram of the opening of a metal sleeve.
FIG. 3 is a schematic cross-sectional view of a flow conduit disposed within a metal sleeve.
FIG. 4 is a schematic view of the longitudinal distribution of the refractory smart strands.
FIG. 5 is a schematic view of a high temperature resistant smart strand disposed inside a main cable.
The cable comprises a high-temperature resistant smart cable strand 1, a main cable 3, a central through long steel wire 4, a peripheral through long steel wire 5, a uw fiber grating smart wire 6, a uw fiber grating device 601, a temperature type fiber grating sensor 602, a humidity type fiber grating sensor 7, a metal sleeve 8, a first through hole 9, kevlar weaving, 10, a honeycomb duct 11, an ablation preventing coating 12, a metal mesh layer 13, a glass fiber sleeve 14 and asbestos.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and all the inventions which make use of the inventive concept are protected by the spirit and scope of the present invention as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1-3, the invention provides a high-temperature resistant Wen Zhihui cable 1, which is arranged inside a main cable 2 in a penetrating manner, wherein the high-temperature resistant Wen Zhihui cable 1 comprises a central through long steel wire 3, a plurality of peripheral through long steel wires 4 and at least one uw fiber bragg grating intelligent line 5 are distributed on the periphery of the central through long steel wire 3, the uw fiber bragg grating intelligent line 5 comprises a uw fiber bragg grating device 6 in a cable structure, two ends of the uw fiber bragg grating device 6 are connected with an external demodulator, and the uw fiber bragg grating device 6 is used for monitoring temperature and humidity data inside the main cable 2.
Specifically, as shown in fig. 1, the number of the uw fiber bragg grating smart wires 5 is two, and the uw fiber bragg grating devices 6 in the two uw fiber bragg grating smart wires 5 are a temperature type fiber bragg grating sensor 601 and a humidity type fiber bragg grating sensor 602 respectively. The temperature type fiber bragg grating sensor 601 is used for monitoring temperature parameters of the steel wires in the main cable 2 in real time, and the humidity type fiber bragg grating sensor 602 is used for monitoring humidity parameters of the steel wires in the main cable 2 in real time. By combining the change trend of the temperature parameter and the humidity parameter, the humidity condition in the main cable 2 can be evaluated in time, and hidden danger in the main cable 2 can be found as soon as possible.
The central through long steel wire 3 and the plurality of peripheral through long steel wires 4 have the functions of protecting longitudinal tension, transverse extrusion force and torsion force borne by the uw fiber bragg grating intelligent line 5, namely, unnecessary damage to the uw fiber bragg grating intelligent line 5 caused by external factors is effectively avoided, and continuity and accuracy of monitoring data are ensured.
As shown in fig. 4 and 5, through setting up uw fiber bragg grating device 6 at high temperature resistant wisdom cable strand 1 and setting up high temperature resistant wisdom cable strand 1 inside main rope 2, high temperature resistant wisdom cable strand 1's arrangement is confirmed according to monitoring demand and spatial location, fig. 4 is just a case demonstration, high temperature resistant wisdom cable strand 1 and then obtain the inside temperature and humidity data of main rope 2, and can transmit temperature and humidity data to outside demodulator, the inside temperature of perceptible main rope 2 and the spatial distribution of humidity and the law of change of parameter along with the time, help judging the inside steel wire corrosion degree of main rope 2, the life of extension main rope 2 structure and bridge reaches the purpose of carrying out real-time supervision to the cable.
As shown in fig. 2 and fig. 3, the uw fiber grating smart wire 5 further includes a metal sleeve 7 sleeved at two ends of the uw fiber grating device 6, the metal sleeve 7 is fixed with an end of the uw fiber grating device 6 in a metal casting manner, and a plurality of first through holes 8 are formed in a wall of the metal sleeve 7 along a length direction of the metal sleeve. The metal sleeve 7 is used for protecting the end part of the uw fiber grating device 6 and preventing the high-temperature-resistant smart cable 1 from being damaged in the anchoring process. The first through hole 8 is configured to enable the environment where the uw fiber bragg grating smart line 5 is located to be communicated with the internal environment of the main cable 2, ensure air circulation and smooth heat transfer, and is used for measuring temperature and humidity parameters in the main cable 2.
The periphery of the periphery through long steel wires 4 and the uw fiber bragg grating smart wires 5 are wrapped with at least one layer of Kevlar braiding 9, and the Kevlar braiding 9 realizes that the center through long steel wires 3, the periphery through long steel wires 4 and the uw fiber bragg grating smart wires 5 comprise forming high-resistant Wen Zhihui cable strands 1. A plurality of characteristic points are arranged on the middle section of the uw fiber bragg grating device 6 at intervals, the positions corresponding to the characteristic points of the uw fiber bragg grating device 6 are fixed with the central through long steel wire 3, and the middle section of the uw fiber bragg grating device 6 is in a stress-free state after being fixed.
Considering that the position of the uw fiber grating device 6 cannot be fixed, the metal sleeve 7 is kept hollow, and the uw fiber grating device 6 is ensured to be in a stress-free state. In the initial state, the temperature-type fiber grating sensor 601 and the humidity-type fiber grating sensor 602 are kept in a loose state, but are relatively fixed at certain characteristic points at certain intervals, and the fixing mode is not limited to pasting or binding, so that when the central through long steel wire 3 is stressed, the temperature-type fiber grating sensor 601 and the humidity-type fiber grating sensor 602 can be kept in a synchronous micro-deformation state in the metal sleeve 7, and the internal environment parameters of the main cable 2 can be accurately measured. Meanwhile, when the high-temperature-resistant smart cable 1 is specifically arranged, the survival rate of the smart cable can be increased by simultaneously arranging a plurality of groups of uw fiber bragg grating devices 6 in a single metal sleeve 7.
The inside of metal sleeve 7 is provided with honeycomb duct 10, honeycomb duct 10 is close to the tip setting of uw fiber bragg grating device 6, honeycomb duct 10 and external cooling circulation device intercommunication. In the metal casting and fixing process, the temperature and the pressure of a cooling medium in the guide pipe 10 are actively controlled, and the guide pipe 10 is used for reducing the temperature of the end part of the uw fiber grating device 6 to 75-85 ℃ so as to avoid damage to the end part of the uw fiber grating device 6.
The metal sleeve 7 is made of alloy copper, and an anti-ablation coating 11 is sprayed on the outer surface of the metal sleeve 7. The anti-ablation coating is a composite material and consists of epoxy resin (phenolic resin), graphite, a modifier, a curing agent, silicon oxide and the like, is a safety measure, and can work if the previous high-temperature-resistant measure fails, and absorbs heat through ablation of the coating to protect an internal uw fiber bragg grating device.
The outer surface of the metal sleeve 7 is braided with a metal mesh layer 12. The metal mesh layer is a stainless steel wire-shaped braided fabric, is used for flexibly protecting the uw fiber grating device 6 inside, and can adapt to deformation of strands in the processing process.
The metal mesh braiding layer is sleeved with a glass fiber sleeve 13. Asbestos 14 is wrapped outside the resin type glass fiber sleeve 13, and a plurality of second through holes communicated with the first through holes 8 are formed in the ablation-preventing coating 11, the metal net-shaped woven layer and the glass fiber sleeve 13. The heat transfer process of the high temperature resistant smart strand is from outside to inside. Asbestos 14 is the first measure, mainly thermal insulation. However, asbestos 14 is very stiff and may break when the strand is bent. The glass fiber sleeve 13 provides a certain rigidity and is light in weight as a second high temperature prevention measure. The process test has found this problem and this new measure.
The invention also provides a manufacturing method of the high-resistant Wen Zhihui cable 1, which comprises the following steps:
Step 1, determining design parameters of the metal sleeve 7 and the asbestos 14, wherein the design parameters can be obtained by carrying out mechanical tests of the metal sleeve 7 and thermal insulation tests of the asbestos 14 in a laboratory, and specifically comprise strength grade, wall thickness, hole diameter and hole column number of the metal sleeve 7, and thickness and layer number of the asbestos 14.
And 2, spraying an anti-ablation coating 11 on the metal sleeve 7 by using an electric spraying tool.
And 3, weaving a metal mesh layer 12 on the metal sleeve 7 by using a braiding wheel.
And 4, sleeving a glass fiber sleeve 13 on the metal mesh layer 12, wherein the glass fiber sleeve 13 can be a graphene glass fiber sleeve.
Step 5, drilling a plurality of first through holes 8 and second through holes by using a drilling device;
Step 6, wrapping a plurality of layers of asbestos 14 outside the metal sleeve 7;
And 7, fixing the metal sleeve 7 at the end part of the uw fiber grating device 6 in a metal casting mode, wherein in the casting process, the uw fiber grating device 6 tests the temperature of the surrounding environment in real time, an external cooling circulation device circulates and conveys cooling medium to the guide pipe 10, so that the temperature of the end part of the uw fiber grating device 6 is 75-85 ℃, after the metal casting is finished, the uw fiber grating intelligent line 5 is obtained, and in the metal casting fixing process, the temperature and the pressure of the cooling medium in the guide pipe 10 are actively controlled, and the guide pipe 10 reduces the temperature of the end part of the uw fiber grating device 6 to 75-85 ℃ to avoid damage to the end part of the uw fiber grating device 6.
And 8, arranging the uw fiber grating smart wire 5 and the peripheral through long steel wire 4 at the periphery of the central through long steel wire 3, and winding and fixing the uw fiber grating smart wire 5, the peripheral through long steel wire 4 and the central through long steel wire 3 by using at least one layer of Kevlar braiding 9 to obtain the high-temperature-resistant smart cable 1. By adopting the method, the uw fiber grating device 6 can be protected by installing the end part of the uw fiber grating device 6 in the metal sleeve 7 and then casting zinc-copper alloy in the metal sleeve 7. Meanwhile, the high-temperature-resistant smart cable 1 has a sensing function, can directly monitor the temperature and humidity in the main cable 2, can be used for adjusting the line type and sag in the main cable 2, can be used for construction control, and is helpful for evaluating the corrosion condition in the main cable 2 during operation.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411830958.3A CN119686141A (en) | 2024-12-12 | 2024-12-12 | High-resistant Wen Zhihui cable strand and manufacturing method thereof |
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| CN202411830958.3A CN119686141A (en) | 2024-12-12 | 2024-12-12 | High-resistant Wen Zhihui cable strand and manufacturing method thereof |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0306204A1 (en) * | 1987-08-27 | 1989-03-08 | AT&T Corp. | Optical fiber cable for use in high temperature contaminating environment |
| KR20090040729A (en) * | 2007-10-22 | 2009-04-27 | (주)지엠지 | Fiber optic sensor |
| CN202401396U (en) * | 2011-09-03 | 2012-08-29 | 江苏法尔胜泓昇集团有限公司 | Intelligent cable capable of sensing internal humidity for bridge |
| CN103438815A (en) * | 2013-08-02 | 2013-12-11 | 东南大学 | Durable and long-scale-distance fiber grating sensor and manufacturing method thereof |
| CN104911933A (en) * | 2015-04-15 | 2015-09-16 | 泰州宏达绳网有限公司 | Flame retardant fireproof cable |
| CN209010975U (en) * | 2018-08-28 | 2019-06-21 | 法尔胜泓昇集团有限公司 | Intelligent cable containing carbon fiber composite material rib |
| KR20200018974A (en) * | 2018-08-13 | 2020-02-21 | 주식회사 포스코 | Apparatus and method for measuring temperature of molten metal |
| CN215007652U (en) * | 2021-02-02 | 2021-12-03 | 浙江万马股份有限公司 | Control cable of easy maintenance of intelligence accuse temperature |
| CN114808700A (en) * | 2022-04-11 | 2022-07-29 | 江苏法尔胜缆索有限公司 | Bridge intelligent cable capable of sensing temperature in cable |
| CN217358614U (en) * | 2022-05-27 | 2022-09-02 | 中交第二航务工程局有限公司 | Digital steel wire for measuring temperature and humidity of cable structure in full range |
| CN116892170A (en) * | 2023-04-23 | 2023-10-17 | 江苏法尔胜缆索有限公司 | General length type multi-parameter self-sensing intelligent cable |
| CN220767714U (en) * | 2023-09-08 | 2024-04-12 | 中交第二航务工程局有限公司 | Parallel steel wire strand with built-in array fiber grating sensor |
-
2024
- 2024-12-12 CN CN202411830958.3A patent/CN119686141A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0306204A1 (en) * | 1987-08-27 | 1989-03-08 | AT&T Corp. | Optical fiber cable for use in high temperature contaminating environment |
| KR20090040729A (en) * | 2007-10-22 | 2009-04-27 | (주)지엠지 | Fiber optic sensor |
| CN202401396U (en) * | 2011-09-03 | 2012-08-29 | 江苏法尔胜泓昇集团有限公司 | Intelligent cable capable of sensing internal humidity for bridge |
| CN103438815A (en) * | 2013-08-02 | 2013-12-11 | 东南大学 | Durable and long-scale-distance fiber grating sensor and manufacturing method thereof |
| CN104911933A (en) * | 2015-04-15 | 2015-09-16 | 泰州宏达绳网有限公司 | Flame retardant fireproof cable |
| KR20200018974A (en) * | 2018-08-13 | 2020-02-21 | 주식회사 포스코 | Apparatus and method for measuring temperature of molten metal |
| CN209010975U (en) * | 2018-08-28 | 2019-06-21 | 法尔胜泓昇集团有限公司 | Intelligent cable containing carbon fiber composite material rib |
| CN215007652U (en) * | 2021-02-02 | 2021-12-03 | 浙江万马股份有限公司 | Control cable of easy maintenance of intelligence accuse temperature |
| CN114808700A (en) * | 2022-04-11 | 2022-07-29 | 江苏法尔胜缆索有限公司 | Bridge intelligent cable capable of sensing temperature in cable |
| CN217358614U (en) * | 2022-05-27 | 2022-09-02 | 中交第二航务工程局有限公司 | Digital steel wire for measuring temperature and humidity of cable structure in full range |
| CN116892170A (en) * | 2023-04-23 | 2023-10-17 | 江苏法尔胜缆索有限公司 | General length type multi-parameter self-sensing intelligent cable |
| CN220767714U (en) * | 2023-09-08 | 2024-04-12 | 中交第二航务工程局有限公司 | Parallel steel wire strand with built-in array fiber grating sensor |
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