CN201387737Y - High current carrying water resistant flexible cable - Google Patents
High current carrying water resistant flexible cable Download PDFInfo
- Publication number
- CN201387737Y CN201387737Y CN200920039411U CN200920039411U CN201387737Y CN 201387737 Y CN201387737 Y CN 201387737Y CN 200920039411 U CN200920039411 U CN 200920039411U CN 200920039411 U CN200920039411 U CN 200920039411U CN 201387737 Y CN201387737 Y CN 201387737Y
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- Prior art keywords
- cable
- water
- layer
- current
- flexible cable
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 34
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 8
- 239000004945 silicone rubber Substances 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 4
- 238000012856 packing Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 239000011810 insulating material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
本实用新型公开了一种高载流耐水软电缆，包括外层设有绝缘层的铜导体构成的缆芯，在缆芯与缆芯之间设有填充层，在填充层外设有绕包层，在绕包层外设有外护套。本实用新型所述高载流耐水软电缆由于采用综合性能优异的硅橡胶绝缘料作为绝缘层，使本电缆的最高长期工作温度提高到200℃，电缆的载流量大大提高，达到普通电缆载流量的1.3－1.7倍，且该电缆的交流电容吸水增值较小，浸入50℃水中后，在第14天末与第1天末相比，交流电容吸水增值小于2％。护套层采用高耐水、高致密性、柔软性能和耐高温性能优异的耐水硅橡胶护套料，成品电缆能顺利通过水压为5000Pa，2hour的径向密封水压试验。
The utility model discloses a high-current-carrying water-resistant soft cable, which comprises a cable core composed of a copper conductor with an insulating layer on the outer layer, a filling layer is arranged between the cable core and a cable core, and a wrapping is arranged outside the filling layer. layer, and an outer sheath is provided outside the wrapping layer. The high-current-carrying water-resistant soft cable described in the utility model adopts the silicone rubber insulating material with excellent comprehensive performance as the insulating layer, so that the maximum long-term working temperature of the cable is increased to 200°C, and the current-carrying capacity of the cable is greatly improved, reaching the current-carrying capacity of ordinary cables. 1.3-1.7 times that of the cable, and the AC capacitance of the cable has a small water absorption value increase. After being immersed in 50°C water, the value of the AC capacitance water absorption increase is less than 2% at the end of the 14th day compared with the end of the first day. The sheath layer is made of water-resistant silicone rubber sheath material with high water resistance, high density, softness and high temperature resistance. The finished cable can successfully pass the radial seal water pressure test with a water pressure of 5000Pa and 2 hours.
Description
技术领域 technical field
本实用新型涉及一种额定电压1.8/3kV及以下的电缆，尤其适用于浸水状态下长期较大容量供电又需频繁移动使用的场所中高载流耐水软电缆。The utility model relates to a cable with a rated voltage of 1.8/3kV and below, which is especially suitable for a high-current-carrying water-resistant flexible cable in a place where long-term large-capacity power supply is immersed in water and needs to be frequently moved.
背景技术 Background technique
目前，耐水电缆多采用普通橡套电缆，使用过程中常出现进水现象，导致绝缘电阻下降，绝缘的交流电容吸水增值明显，显著影响电缆的使用寿命；该类电缆导体的最高长期允许工作温度为90℃：敷设时电缆的允许最小弯曲半径为6倍的电缆外径；电缆载流量较小。这类产品已不能满足苛刻场所条件下要求。At present, ordinary rubber-sheathed cables are mostly used for water-resistant cables, and water ingress often occurs during use, resulting in a decrease in insulation resistance and a significant increase in the value of the insulated AC capacitance, which significantly affects the service life of the cable; the maximum long-term allowable working temperature of this type of cable conductor is 90°C: The allowable minimum bending radius of the cable during laying is 6 times the outer diameter of the cable; the current carrying capacity of the cable is small. Such products can no longer meet the requirements of harsh site conditions.
发明内容 Contents of the invention
发明目的：本实用新型所要解决的技术问题是针对现有技术的不足，提供一种高载流耐水软电缆。Purpose of the invention: The technical problem to be solved by this utility model is to provide a high-current-carrying water-resistant flexible cable for the deficiencies of the prior art.
技术方案：本实用新型公开了一种高载流耐水软电缆，包括外层设有绝缘层的铜导体构成的缆芯，在缆芯与缆芯之间设有填充层，在填充层外设有绕包层，在绕包层外设有外护套。Technical solution: The utility model discloses a high-current-carrying water-resistant flexible cable, which includes a cable core composed of a copper conductor with an insulating layer on the outer layer, a filling layer between the cable core and the cable core, and a There is a wrapping layer, and an outer sheath is arranged outside the wrapping layer.
本实用新型中，优选地，所述绝缘层为硅橡胶绝缘层。In the present invention, preferably, the insulating layer is a silicon rubber insulating layer.
本实用新型中，优选地，所述填充层为硅胶填充绳，且填充时保证硅胶绳填充致密、压实。In the present utility model, preferably, the filling layer is a silica gel filling rope, and the filling of the silica gel rope is ensured to be dense and compacted.
本实用新型中，优选地，所述绕包层为硅胶带绕包层。In the present invention, preferably, the wrapping layer is a wrapping layer of silicone tape.
本实用新型中，优选地，所述外护套为橡胶外护套。In the present utility model, preferably, the outer sheath is a rubber outer sheath.
有益效果：本实用新型所述高载流耐水软电缆由于采用综合性能优异的硅橡胶绝缘料作为绝缘层，使本电缆的最高长期工作温度提高到200℃，电缆的载流量大大提高，达到普通电缆载流量的1.3-1.7倍，且该电缆的交流电容吸水增值较小，浸入50℃水中后，在第14天末与第1天末相比，交流电容吸水增值小于2％。护套层采用高耐水、高致密性、柔软性能和耐高温性能优异的耐水硅橡胶护套料，成品电缆能顺利通过水压为5000Pa，2hour的径向密封水压试验；同时由于填充物采用耐水性能优异的的软性硅胶绳，绕包层采用耐水性能优异的的软性硅胶带，以及填充物致密性填充压实，使本电缆具有更为稳定的耐水性能以及优异的弯曲性能和耐水性能。Beneficial effects: the high-current-carrying water-resistant soft cable described in the utility model adopts the silicone rubber insulating material with excellent comprehensive performance as the insulating layer, so that the maximum long-term working temperature of the cable is increased to 200°C, and the current-carrying capacity of the cable is greatly improved, reaching the common 1.3-1.7 times the ampacity of the cable, and the AC capacitance of the cable has a small water absorption value increase. After being immersed in 50°C water, the AC capacitance water absorption value increase is less than 2% at the end of the 14th day compared with the end of the first day. The sheath layer is made of water-resistant silicone rubber sheath material with high water resistance, high density, softness and high temperature resistance. The finished cable can successfully pass the radial seal water pressure test with a water pressure of 5000Pa and 2 hours; at the same time, because the filler is made of The soft silicone rope with excellent water resistance, the wrapping layer is made of soft silicone belt with excellent water resistance, and the filler is densely filled and compacted, so that the cable has more stable water resistance, excellent bending performance and water resistance performance.
附图说明 Description of drawings
下面结合附图和具体实施方式对本实用新型做更进一步的具体说明，本实用新型的上述和/或其他方面的优点将会变得更加清楚。The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, and the advantages of the above and/or other aspects of the utility model will become clearer.
图示为本实用新型所述电缆的截面示意图。The figure is a schematic cross-sectional view of the cable described in the utility model.
具体实施方式： Detailed ways:
如图所示，本实用新型以额定电压1.8/3kV及以下高载流耐水软电缆三芯电缆为例来说明本实用新型的实施方式：在三根铜导体1上均挤包一层由高耐水性硅橡胶软绝缘料制成的绝缘层2。在各绝缘层2间充填有高耐水性材料制作而成的软性硅胶绳填充层3。在填充层3外围绕包一层由高耐水性材料制成的软性硅胶带绕包层4。在绕包层4上挤包一层由高耐水性、高致密性制作而成的硅橡胶软外护套5。As shown in the figure, the utility model uses a rated voltage of 1.8/3kV and below as an example to illustrate the implementation of the utility model with a high-current-carrying water-resistant flexible cable three-core cable: three
本实用新型提供了一种高载流耐水软电缆的思路及方法，具体实现该技术方案的方法和途径很多，以上所述仅是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本实用新型的保护范围。本实施例中未明确的各组成部份均可用现有技术加以实现。The utility model provides an idea and method for a high-current-carrying water-resistant flexible cable. There are many methods and approaches for realizing the technical solution. The above description is only a preferred embodiment of the utility model. Ordinary technicians can also make some improvements and modifications without departing from the principle of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model. All components that are not specified in this embodiment can be realized by existing technologies.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920039411U CN201387737Y (en) | 2009-04-14 | 2009-04-14 | High current carrying water resistant flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920039411U CN201387737Y (en) | 2009-04-14 | 2009-04-14 | High current carrying water resistant flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201387737Y true CN201387737Y (en) | 2010-01-20 |
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ID=41580278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920039411U Expired - Fee Related CN201387737Y (en) | 2009-04-14 | 2009-04-14 | High current carrying water resistant flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201387737Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002470A (en) * | 2020-08-20 | 2020-11-27 | 安徽华海特种电缆集团有限公司 | Silicon rubber insulation shielding medium-voltage mobile cable |
-
2009
- 2009-04-14 CN CN200920039411U patent/CN201387737Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002470A (en) * | 2020-08-20 | 2020-11-27 | 安徽华海特种电缆集团有限公司 | Silicon rubber insulation shielding medium-voltage mobile cable |
| CN112002470B (en) * | 2020-08-20 | 2021-05-14 | 安徽华海特种电缆集团有限公司 | Wrapping process of silicon rubber insulation shielding medium-voltage mobile cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20150414 |
|
| EXPY | Termination of patent right or utility model |