CN220208608U - Cable with improved cable tension - Google Patents
Cable with improved cable tension Download PDFInfo
- Publication number
- CN220208608U CN220208608U CN202321787309.0U CN202321787309U CN220208608U CN 220208608 U CN220208608 U CN 220208608U CN 202321787309 U CN202321787309 U CN 202321787309U CN 220208608 U CN220208608 U CN 220208608U
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- Prior art keywords
- cable
- optical fiber
- layer
- fiber layer
- insulating
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Links
- 239000013307 optical fiber Substances 0.000 claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 3
- 230000003287 optical effect Effects 0.000 abstract description 11
- 239000000835 fiber Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012795 verification Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model discloses a cable, which relates to the technical field of cables and comprises a wire core, an insulating heat-insulating layer, an optical fiber layer and an outer sheath, wherein the wire core, the insulating heat-insulating layer, the optical fiber layer and the outer sheath are of the same length, the insulating heat-insulating layer is fixedly wrapped outside the wire core, the optical fiber layer is fixedly arranged outside the insulating heat-insulating layer, the outer sheath is fixedly wrapped outside the optical fiber layer, the wire core is used for transmitting electric signals, and the optical fiber layer can transmit visible light. Through setting up the optic fibre layer, need not to pull down cable both ends, can adopt alone can be at the one end of cable with visible light irradiation optic fibre layer, another person can confirm its both ends for same cable according to the optical signal that looks into at the other end of cable to realize accurate wiring, it makes the check-up of cable simple and convenient, labour saving and time saving improves check-up work efficiency, and when can't transmit optical signal through the optical fibre layer damage, can in time change the processing to the cable, avoid latent problem to take place, guarantee equipment operation security.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a cable.
Background
The cable is used as a current channel, so that the electric signals are orderly transmitted in the circuit and play an irreplaceable role in the whole loop. A large number of cables are needed in newly-built power plants and substations to construct various loops, realize various functions and further ensure the safe and effective operation of the whole system.
The general cable is laid by installer first, then whether the correct pair of both ends of every cable has been checked by the debugging personnel, but because the cable quantity is too huge, can not have cable both ends wiring mistake in the wiring process, and the debugging personnel is for checking whether every cable wiring is accurate need pull down the both ends of every cable that installs and check through check-up equipment under the current circumstances, and the dismantlement process leads to wasting time and energy, delays equipment operation time limit even, and because the cable wears to establish the process and can appear the damage condition of scratching, its inconvenience is found, brings the risk for equipment operation after the future.
Disclosure of Invention
The utility model aims to provide a cable so as to solve the problems in the prior art, simplify and facilitate the cable verification, save time and labor, improve the verification work efficiency and ensure the equipment operation safety.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a cable which comprises a wire core, an insulating heat-insulating layer, an optical fiber layer and an outer sheath, wherein the wire core, the insulating heat-insulating layer, the optical fiber layer and the outer sheath are of the same length, the insulating heat-insulating layer is fixedly wrapped outside the wire core, the optical fiber layer is fixedly arranged outside the insulating heat-insulating layer, the outer sheath is fixedly wrapped outside the optical fiber layer, the wire core is used for transmitting electric signals, and the optical fiber layer can transmit visible light.
Preferably, the wire core is made of pure copper.
Preferably, the sectional area of the wire core is 10-25 mm 2 。
Preferably, the thickness of the insulating layer is 0.18-0.22 mm.
Preferably, the insulating layer is made of crosslinked polyethylene.
Preferably, the optical fiber layer is formed by twisting single-mode optical fibers and winding the single-mode optical fibers on the circumferential side wall of the insulating layer.
Preferably, the thickness of the optical fiber layer is 0.9-1.1 mm.
Preferably, the thickness of the outer sheath is 0.18-0.22 mm.
Preferably, the outer sheath is made of polyvinyl chloride.
Compared with the prior art, the utility model has the following technical effects:
according to the cable provided by the utility model, through arranging the optical fiber layers, when a debugger confirms two ends of the same cable, the two ends of the cable do not need to be detached, one person can use visible light to irradiate the optical fiber layers at one end of the cable, and the other person can confirm that the optical fiber layers are two ends of the same cable according to the optical signals which are observed at the other end of the cable, so that accurate wiring is realized, the cable is simple and convenient to check, time and labor are saved, the checking work efficiency is improved, and when the two ends of the cable are confirmed through the optical fiber layers, the cable breakage condition can be confirmed, namely, if the cable is not broken or broken to an outer sheath or a part of the optical fiber layers, and the optical signals can still be received, the cable can still be continuously used under the protection of the insulating and heat-insulating layer; if the cable is used for completely damaging the optical fiber layer and even deeply constructing the inner structure, the optical signal cannot be normally transmitted, and the cable needs to be replaced in time at the moment, so that potential problems are avoided, and the operation safety of equipment is ensured.
Furthermore, the wire core is made of pure copper, so that the wire has excellent conductivity and low resistivity, and can effectively transmit electric signals.
Further, the core cross-sectional area can select cores with different cross-sectional areas according to the requirements of different flow capacity, so that the daily use requirement is met.
Further, the thickness of the insulating layer is set to be 0.18-0.22 mm, the thickness of the cable can be ensured, the insulating layer can realize electric isolation between the wire core and the outside, the personal safety during operation is ensured, and the heat generated by the wire core is isolated.
Furthermore, the insulating and heat-insulating layer is made of crosslinked polyethylene, so that the heat resistance and the insulating effect are good, and the insulating and heat-insulating effect of the wire core can be ensured.
Further, the optical fiber layer is formed by twisting and winding the single-mode optical fiber on the circumferential side wall of the insulating layer, and the single-mode optical fiber can be circumferentially wrapped on the insulating layer to form a layer, so that the insulating layer can be uniformly wrapped by the optical fiber layer, and the insulating layer is easy to obtain and convenient to process and manufacture.
Further, the thickness of the optical fiber layer is set to be 0.9-1.1 mm, and the thickness is large, so that reliable verification can be provided for debugging personnel.
Furthermore, the outer sheath is 0.18-0.22 mm thick, which can ensure that the cable is laid and the outside is not damaged in daily operation.
Further, the outer sheath is made of polyvinyl chloride, so that the cost is low, the flexibility is good, the fireproof and oil-proof effects can be achieved, and the inner optical fiber layer can be effectively protected from being damaged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a cable provided by the utility model;
fig. 2 is a schematic diagram of an internal structure of the cable according to the present utility model.
In the figure: 100-cables; 1-a wire core; 2-an insulating layer; 3-an optical fiber layer; 4-an outer sheath.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a cable, which solves the problems existing in the prior art, ensures that the cable is simple and convenient to check, saves time and labor, improves the checking work efficiency and ensures the operation safety of equipment.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The embodiment provides a cable 100, as shown in fig. 1 and 2, including a wire core 1, an insulating and heat-insulating layer 2, an optical fiber layer 3 and an outer sheath 4 with the same length, the insulating and heat-insulating layer 2 is fixedly wrapped outside the wire core 1, the optical fiber layer 3 is fixedly arranged outside the insulating and heat-insulating layer 2, the outer sheath 4 is fixedly wrapped outside the optical fiber layer 3, the wire core 1 is used for transmitting electric signals, and the optical fiber layer 3 can transmit visible light. By arranging the optical fiber layer 3, when a debugger confirms two ends of the same cable 100, the debugger does not need to detach the two ends of the cable 100, one person can irradiate the optical fiber layer 3 with visible light at one end of the cable 100, and the other person can confirm that the optical fiber layer is two ends of the same cable 100 according to the optical signal which is observed at the other end of the cable 100, so that accurate wiring is realized, the verification of the cable 100 is simple and convenient, time and labor are saved, the verification work efficiency is improved, and when the two ends of the cable 100 are confirmed through the optical fiber layer 3, the cable breakage condition can be confirmed, namely, if the cable 100 is not broken or broken to the outer sheath 4 or part of the optical fiber layer 3, the optical signal can still be received, and the cable 100 can still be continuously used under the protection of the insulating and heat-insulating layer 2; if the cable 100 breaks all the optical fiber layers 3 and even the deeper internal structure, the optical signal cannot be normally transmitted, and at this time, the cable 100 needs to be replaced in time, so that the potential problem is avoided, and the operation safety of the equipment is ensured.
Specifically, the special laser emitting device emits the optical signal, the optical signal reaches the other end of the optical fiber layer 3 of the cable 100 through total internal reflection in the optical fiber layer 3, and the optical signal is received by a worker through diffuse reflection of light, so that the two ends of the cable 100 do not need to be detached.
Specifically, the diameter of the cable 100 of the present embodiment may be 6.36mm, and the length thereof may be manufactured according to practical needs.
Specifically, the cable 100 in this embodiment can form a systematic and general cable 100 that satisfies most of installation and debugging requirements, and is better applied to field practice.
In an alternative of this embodiment, the core 1 is preferably made of pure copper. The wire core 1 is made of pure copper, has excellent conductivity and low resistivity, and can effectively transmit electric signals.
In the alternative of this embodiment, it is preferable that the cross-sectional area of the wire core 1 is 10 to 25mm 2 . The cross section area of the wire core 1 can select the wire cores 1 with different cross sections according to the requirements of different flowing capacity, so that the daily use requirement is met.
In the alternative of this embodiment, the thickness of the insulating layer 2 is preferably 0.18 to 0.22mm, and specifically, the thickness of the insulating layer 2 is preferably 0.2mm. The thickness of the insulating layer 2 is set to be 0.18-0.22 mm, which can ensure a certain thickness degree of the cable 100, and the insulating layer 2 can realize electric isolation between the wire core 1 and the outside, ensure personal safety during operation and isolate heat generated by the wire core 1.
In an alternative of this embodiment, the insulating layer 2 is preferably made of crosslinked polyethylene. The insulating layer 2 is made of crosslinked polyethylene, has good heat resistance and insulating effect, and can ensure the insulating effect of the wire core 1.
In the alternative of this embodiment, preferably, the optical fiber layer 3 is formed by twisting and winding a single-mode fiber around the circumferential side wall of the insulating layer 2, and specifically, the optical fiber layer 3 is a g.652 conventional single-mode fiber. The optical fiber layer 3 is formed by twisting and winding a single-mode optical fiber on the circumferential side wall of the insulating layer 2, and can be circumferentially wrapped on the insulating layer 2 to form a layer, so that the insulating layer 2 can be uniformly wrapped by the optical fiber layer 3, and the insulating layer is easy to obtain and convenient to process and manufacture.
In the alternative of this embodiment, the thickness of the optical fiber layer 3 is preferably 0.9 to 1.1mm, and specifically, the thickness of the optical fiber layer 3 is preferably 1mm. The thickness of the optical fiber layer 3 is set to be 0.9-1.1 mm, and the thickness is large, so that reliable verification can be provided for debugging personnel.
In the alternative of this embodiment, the thickness of the outer sheath 4 is preferably 0.18 to 0.22mm, and in particular, the thickness of the outer sheath 4 is preferably 0.2mm. The outer sheath 4 has a thickness of 0.18-0.22 mm, which can ensure that the cable 100 is not damaged from the outside during laying and daily operation.
In an alternative of this embodiment, the outer sheath 4 is preferably made of polyvinyl chloride. The outer sheath 4 is made of polyvinyl chloride, has low cost and good flexibility, can prevent fire and oil, and can effectively protect the inner optical fiber layer 3 from being damaged.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (9)
1. A cable, characterized in that: including core, insulating thermal insulation layer, optical fiber layer and the oversheath of equal length, insulating thermal insulation layer is fixed to be wrapped up in the core is outside, the optical fiber layer is fixed to be set up insulating thermal insulation layer is outside, the oversheath is fixed to be wrapped up in the optical fiber layer is outside, the core is used for transmitting the signal of telecommunication, the optical fiber layer can transmit visible light.
2. The cable of claim 1, wherein: the wire core is made of pure copper.
3. The cable of claim 1, wherein: the section area of the wire core is 10-25 mm 2 。
4. The cable of claim 1, wherein: the thickness of the insulating layer is 0.18-0.22 mm.
5. The cable of claim 1, wherein: the insulating layer is made of crosslinked polyethylene.
6. The cable of claim 1, wherein: the optical fiber layer is formed by twisting single-mode optical fibers and winding the single-mode optical fibers on the circumferential side wall of the insulating layer.
7. The cable of claim 1, wherein: the thickness of the optical fiber layer is 0.9-1.1 mm.
8. The cable of claim 1, wherein: the thickness of the outer sheath is 0.18-0.22 mm.
9. The cable of claim 1, wherein: the outer sheath is made of polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787309.0U CN220208608U (en) | 2023-07-10 | 2023-07-10 | Cable with improved cable tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787309.0U CN220208608U (en) | 2023-07-10 | 2023-07-10 | Cable with improved cable tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220208608U true CN220208608U (en) | 2023-12-19 |
Family
ID=89151189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321787309.0U Active CN220208608U (en) | 2023-07-10 | 2023-07-10 | Cable with improved cable tension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220208608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117936182A (en) * | 2024-03-22 | 2024-04-26 | 常熟闪通电力科技有限公司 | Power cable, photoelectric hybrid optical cable, butterfly-shaped optical cable and optical fiber ribbon optical cable |
-
2023
- 2023-07-10 CN CN202321787309.0U patent/CN220208608U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117936182A (en) * | 2024-03-22 | 2024-04-26 | 常熟闪通电力科技有限公司 | Power cable, photoelectric hybrid optical cable, butterfly-shaped optical cable and optical fiber ribbon optical cable |
| CN117936182B (en) * | 2024-03-22 | 2024-05-17 | 常熟闪通电力科技有限公司 | Power cable, photoelectric hybrid optical cable, butterfly-shaped optical cable and optical fiber ribbon optical cable |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |