CN209785624U - Low-voltage cable with built-in optical fiber - Google Patents
Low-voltage cable with built-in optical fiber Download PDFInfo
- Publication number
- CN209785624U CN209785624U CN201920716999.8U CN201920716999U CN209785624U CN 209785624 U CN209785624 U CN 209785624U CN 201920716999 U CN201920716999 U CN 201920716999U CN 209785624 U CN209785624 U CN 209785624U
- Authority
- CN
- China
- Prior art keywords
- optic fibre
- cable
- layer
- temperature measurement
- optical fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Communication Cables (AREA)
Abstract
The utility model discloses a low tension cable of built-in optic fibre, from interior to exterior has set gradually temperature measurement optic fibre, the lubricating grease layer, conductive protection layer, wire and insulating protective layer, the wire is provided with a plurality of and twists on conductive protection layer, temperature measurement optic fibre can real-time supervision whole low tension cable's operating temperature when using, can in time discover the trouble that the cable exists, temperature measurement optic fibre, lubricating grease layer and conductive protection layer itself also have certain elasticity, can cushion the pressure of external world to whole low tension cable, reduce the trouble that produces because of ambient pressure, the life of extension cable, simultaneously because under the duplicate protection at lubricating grease layer and conductive protection layer, temperature measurement optic fibre long service life, accomplish long-time monitoring cable temperature promptly.
Description
Technical Field
The utility model relates to a wire and cable technical field especially relates to a low tension cable of built-in optic fibre.
Background
Along with the development of economy, domestic consumer's domestic appliance power also is more and more high, and the consumer also more and more pays more attention to the circuit operation safety in the family, and urgent needs one kind when taking place that circuit short circuit catches fire etc. endangers circuit safety, can in time send early warning signal to the consumer, avoids causing bigger loss.
Domestic cable mainly adopts to bury the inside mode of wall body and lays, and it breaks down difficult quilt in time discovery at the operation in-process, and the leading cause that leads to the circuit trouble has: external force damage, overload operation, ambient temperature influence and joint scheduling problem, the reason that the cable broke down is seen in the summary mainly receives external force and temperature influence, through on-line monitoring circuit operating temperature, can in time discover circuit operating fault, domestic present domestic low tension cable generally the price is lower, but all does not have real-time supervision circuit operating temperature's ability.
Therefore, those skilled in the art are devoted to develop a low-voltage cable which can monitor the temperature of the cable on line in real time for a long time, and has good bearing capacity and long service life.
Disclosure of Invention
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a can real-time online long-time supervision cable temperature and bear the weight of good, long service life's low tension cable is provided.
In order to achieve the above object, the utility model provides a low tension cable of built-in optic fibre has set gradually temperature measurement optic fibre, lubricating grease layer, conductive protection layer, wire and insulating protective layer from interior to exterior, the wire is provided with a plurality of and twists and is in on the conductive protection layer.
The conductive protective layer is made of aluminum sheets.
The aluminum sheet is wrapped on the lubricating oil paste layer and welded to form an aluminum tube.
The conducting wire is made of copper wires.
The insulating protective layer is made of polyvinyl chloride.
The temperature measuring optical fiber is made of plastic.
The utility model has the advantages that: the utility model discloses a low tension cable of built-in optic fibre, from interior to exterior has set gradually temperature measurement optic fibre, the lubricating grease layer, conductive protective layer, wire and insulating protective layer, the wire is provided with a plurality of and twists on conductive protective layer, temperature measurement optic fibre can the whole low tension cable's of real-time supervision operating temperature when using, can in time discover the trouble that the cable exists, temperature measurement optic fibre, lubricating grease layer and conductive protective layer itself also have certain elasticity, can cushion the pressure of the external world to whole low tension cable, reduce and produce the trouble because of ambient pressure, the life of extension cable and temperature measurement optic fibre, simultaneously because under the duplicate protection at lubricating grease layer and conductive protective layer, temperature measurement optic fibre long service life, accomplish long-time monitoring cable temperature promptly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in figure 1, a low voltage cable of built-in optic fibre has set gradually temperature measurement optic fibre 1, lubricating grease layer 2, conductive protection layer 3, wire 4 and insulating protective layer 5 from inside to outside, wire 4 is provided with a plurality of and twists on the conductive protection layer 3, and temperature measurement optic fibre 1 can real-time supervision whole low voltage cable's operating temperature when using, can in time discover the trouble that the cable exists, temperature measurement optic fibre 1's material is plastics, and temperature measurement optic fibre 1, lubricating grease layer 2 and conductive protection layer 3 itself also have certain elasticity, can cushion the pressure of outside to whole low voltage cable, reduce the trouble that produces because of external pressure, owing to under lubricating grease layer and conductive protection layer's duplicate protection, temperature measurement optic fibre 1 long service life simultaneously can accomplish long-time monitoring cable temperature.
Meanwhile, the temperature measurement optical fiber is located on the axis layer of the low-voltage cable, the lubricating grease layer 2 reduces friction between the temperature measurement optical fiber 1 and the lead 4, particularly when the whole low-voltage cable is bent, the conductive protection layer 3 can conduct electricity while protecting the temperature measurement optical fiber 1, the conductive load of the lead 4 is shared, the power transmission temperature of the lead 4 is reduced, the fault occurrence rate is reduced, the conductive protection layer 3 can also reduce the pressure of the lead 4 on the temperature measurement optical fiber 1 in the process that the lead 4 is stranded on the temperature measurement optical fiber 1, the temperature measurement optical fiber 1 is prevented from being crushed by the lead 4, the structure is simple, and the protection effect is good.
In this embodiment, the material of conductive protection layer 3 is the aluminum sheet, the aluminum sheet parcel is in on lubricating grease layer 2 and welding formation aluminum pipe, the welding process that its adopted is argon arc welding, the material of wire 4 is the copper wire, the material of insulating protection layer 5 is polyvinyl chloride, the utility model discloses a central line of replacing ordinary cable commonly used is the aluminum pipe, and the inside temperature measurement optic fibre that possesses online temperature measurement ability of placing of aluminum pipe, copper wire are used for electrically conducting, and the central line also can electrically conduct when can protecting temperature measurement optic fibre is done to the aluminum pipe, and the aluminum pipe can also reduce the pressure of cable stranding in-process copper wire, prevents that the copper wire from weighing damage temperature measurement optic fibre, coats lubricated oleamen protection optic fibre on temperature measurement optic fibre, when reducing the temperature measurement optic fibre and remove and the frictional force between the aluminum pipe, avoids damaging temperature measurement optic fibre, prolongs the.
One end of the temperature measuring optical fiber of the utility model is connected with a laser transmitter, the laser transmitter sends a beam of probe light to enter the temperature measuring optical fiber through a modem, the probe light generates spontaneous Raman scattering in the transmission process, the generated backward anti-Stokes light is sensitive to the temperature, namely, the temperature is enhanced along with the increase of the temperature, the optical time domain reflection technology is combined for space positioning, and backward Raman scattering signals are analyzed and compared, temperature information corresponding to any point along the temperature measuring optical fiber can be obtained, so that the temperature change of the low-voltage cable can be accurately measured and positioned, the heating fault point of the low-voltage cable can be judged according to the real-time current-carrying capacity of the low-voltage cable, the heating fault point of the cable is accurately positioned, and the cable quality defect point can be effectively pre-judged so that maintenance personnel can repair and replace the defective cable section in time, and therefore economic loss caused by sudden power failure of the cable is effectively reduced.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. A low-voltage cable with built-in optical fibers is characterized in that: temperature measurement optic fibre (1), lubricating oil cream layer (2), conductive protection layer (3), wire (4) and insulating protective layer (5) have set gradually from inside to outside, wire (4) are provided with a plurality of and twist system and are in on conductive protection layer (3).
2. The optical fiber embedded low voltage cable of claim 1, wherein: the conductive protection layer (3) is made of an aluminum sheet.
3. The optical fiber embedded low voltage cable of claim 2, wherein: the aluminum sheet is wrapped on the lubricating oil paste layer (2) and welded to form an aluminum tube.
4. The optical fiber embedded low voltage cable of claim 1, wherein: the conducting wire (4) is made of copper wires.
5. The optical fiber embedded low voltage cable of claim 1, wherein: the insulating protective layer (5) is made of polyvinyl chloride.
6. The optical fiber embedded low voltage cable of claim 1, wherein: the temperature measuring optical fiber (1) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716999.8U CN209785624U (en) | 2019-05-17 | 2019-05-17 | Low-voltage cable with built-in optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920716999.8U CN209785624U (en) | 2019-05-17 | 2019-05-17 | Low-voltage cable with built-in optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209785624U true CN209785624U (en) | 2019-12-13 |
Family
ID=68805512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920716999.8U Active CN209785624U (en) | 2019-05-17 | 2019-05-17 | Low-voltage cable with built-in optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209785624U (en) |
-
2019
- 2019-05-17 CN CN201920716999.8U patent/CN209785624U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211826315U (en) | Power cable abnormity monitoring system | |
| CN102115991B (en) | Steel wire rope as well as breakage early-warning device and method thereof | |
| CN201868135U (en) | Seabed optical fiber composite high-voltage cable with detecting function | |
| CN102005259A (en) | Submarine optical fiber composite high-voltage cable with detection function | |
| JP2008026218A (en) | Method of testing superconductive cable line | |
| CN104991149A (en) | Single core power cable online state monitoring device and method | |
| CN110031732A (en) | A kind of comprehensive on-line monitoring system of cable sheath | |
| CN111458607A (en) | High-voltage cable sheath grounding circulation on-line monitoring terminal and on-line monitoring system | |
| CN209785624U (en) | Low-voltage cable with built-in optical fiber | |
| CN105895244A (en) | Remote monitoring early-warning through ground wire | |
| CN208953133U (en) | A kind of distributed fiber temperature measuring device | |
| CN104535220B (en) | A kind of electric aerial optical cable distributed on line monitoring device | |
| CN202487277U (en) | Fully water-blocking intelligent ultra-high voltage power cable | |
| CN102636734B (en) | Low-voltage electric fire prevention and detection device | |
| CN211783595U (en) | Real-time monitoring system for transformer | |
| CN109163882A (en) | A kind of detection system and its detection method of the compound carbon-fibre wire defect of optical fiber | |
| CN113405692A (en) | Underground cable temperature measuring device, monitoring system and method | |
| CN114188081A (en) | Smart cable with cable conductivity state fed back in real time | |
| CN210165887U (en) | Generator magnetic pole connecting wire and excitation lead deformation monitoring device | |
| CN219303378U (en) | Automatic electric leakage detection line | |
| CN214096420U (en) | Fluorescent optical fiber temperature measuring probe for plug of ring main unit | |
| CN118074044B (en) | Strain clamp assembly | |
| CN214096386U (en) | Use automatic temperature measuring device on vortex sorter | |
| CN217468064U (en) | Power cable for electrified railway | |
| CN210894812U (en) | Central tube type OPGW optical cable structure with embedded conductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |