CN205282156U - Waterproof control cable - Google Patents
Waterproof control cable Download PDFInfo
- Publication number
- CN205282156U CN205282156U CN201620027797.9U CN201620027797U CN205282156U CN 205282156 U CN205282156 U CN 205282156U CN 201620027797 U CN201620027797 U CN 201620027797U CN 205282156 U CN205282156 U CN 205282156U
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- China
- Prior art keywords
- layer
- water
- flame
- retardant layer
- water blocking
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- Expired - Fee Related
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Abstract
The utility model discloses a waterproof control cable belongs to electric power cable field, aim at providing one kind at the outmost waterproof control cable that can stop when the gap appearing water to enter into outmost inside, its technical scheme as follows, a waterproof control cable, including conductor, insulating layer, water blocking layer and fire -retardant layer, the insulating layer cladding is on the conductor, the water blocking layer cladding is on the insulating layer, fire -retardant layer cladding is on the water blocking layer, be provided with between water blocking layer and the fire -retardant layer and meet water inflation sealing rod layer, the even cladding in interval of the fire -retardant layer outside has and is used for preventing fire -retardant layer expanded constraint area, the utility model is suitable for a water treatment facilities such as immersible pump, colliery, underwater operation, aquatic scene fiber lamp.
Description
Technical field
The utility model relates to electric power cable field, in particular to a kind of waterproof control cables.
Background technology
Water-proof cable is applicable to submersible pump, colliery, underwater operation, and the water treating equipment such as scape light lamp in water, cable allows the long period to be laid in water environment.
The liquid-tight manner of cable is generally divided into longitudinal waterproof and radial waterproof two kinds. What longitudinal waterproof was generally commonly used has water blocking yarn, water-proofing powder and the band that blocks water, their mechanism that blocks water meets water expandable material containing a kind of in these materials, when moisture is from cable termination or after entering from sheath defect, this kind of material will be met water undergoes rapid expansion and be stoped moisture along cable longitudinally diffusion further, so just achieves the object of the longitudinal waterproof of cable. Radial waterproof then mainly through extruding the nonmetal sheath of HDPE or hot pressing, welding, cold-drawn metal covering mode realize. Cable radial water-resisting depends primarily on sheath material itself, longitudinal water-blocking mainly by the compactness of the construction of cable and material water-proof material (water blocking yarn ointment powder) with the use of.
The water-proof material more than adopted can play certain resistance effect, but adopt vaseline considerably increase the weight of cable and cause the conductivity of cable conductor to decline, the seriously polluted constructional difficulties of butt junction, it is suitable in process repeatedly at cable bent around rear, there is relative shift between the heart yearn of cable and inside and outside screen layer, produce small gap. The attached powder of water-proofing powder is more difficult, adopts and the external diameter of cable can be caused to increase when blocking water band, water blocking yarn, heat radiation difficulty, thus accelerates transmission capacity of cable thermal ageing and restriction cable etc.
Application number be 201520483028.5 Chinese patent disclose a kind of high-performance environment-friendly water-proof cable, it comprises the conductor being positioned at cable center, inner insulating layer is extruded outside conductor, inner acrylic polymer class polymer water blocking layer is extruded outside inner insulating layer, external insulation layer is extruded outside inner acrylic polymer class polymer water blocking layer, extruding outer acrylate copolymer family macromolecule water blocking layer outside external insulation layer, outermost layer extrudes oversheath.
Although above-mentioned this kind of high-performance environment-friendly water-proof cable has the performance of good water-fast, alkali resistant, acid rain preventing, long effect mould proof antibacterial, but such effect is the insulation layer by arranging two layers continuously and water blocking layer to be realized, will cause into water because of the gap of breakage when insulation layer occurs damaged, its moisture enters between water blocking layer and insulation layer, its moisture of long-term use can constantly enter into and cause insulation layer and water blocking layer to damage between insulation layer and water blocking layer, and such water blocking layer does not just have the effect of waterproof.
Practical novel content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of waterproof control cables that water can be stoped when gap occurs in outermost layer to enter into outermost layer inside.
For achieving the above object, the utility model provides following technical scheme: a kind of waterproof control cables, comprise conductor, insulation layer, water blocking layer and flame-retardant layer, described insulation layer is coated on conductor, described water blocking layer is on the insulating layer coated, described flame-retardant layer is coated on water blocking layer, is provided with water expandable waterstop layer between described water blocking layer and flame-retardant layer, and described flame-retardant layer outside spacers is uniformly coated with the restraining for preventing flame-retardant layer from expanding.
The utility model is set to further: be also coated with the clathrum for water expandable waterstop layer is divided into some grid between described water expandable waterstop layer and flame-retardant layer.
The utility model is set to further: described clathrum is woven by nylon material.
The utility model is set to further: described restraining is by fettering adhesive tape and polyethylene antiseptic adhesive tape is formed, and described constraint adhesive tape is wrapped on flame-retardant layer, and described polyethylene antiseptic adhesive tape is coated on constraint adhesive tape.
Compared with prior art, the utility model has following useful effect: can when crack occurs in flame-retardant layer by arranging water expandable waterstop layer between water blocking layer and flame-retardant layer, its water once from crack enter into inner contact with water expandable waterstop layer after its water expandable waterstop layer just can expand crack closure, moisture is made to enter between water blocking layer and flame-retardant layer from crack, thus make that water blocking layer can not be long-term be in moist environment, and the internal layer of flame-retardant layer can not because of moisture by flame-retardant layer support open, simultaneously it is possible to prevent flame-retardant layer on the one hand at the restraining of flame-retardant layer arranged outside and produces distortion, when producing crack and water expandable waterstop layer water-swellable on the other hand at flame-retardant layer, crack can be limited and be made crack can not continue expansion by its restraining.
Accompanying drawing explanation
Fig. 1 is the sectional view of waterproof control cables;
Fig. 2 is the end face structure schematic diagram of waterproof control cables.
In figure, 1, conductor; 2, insulation layer; 3, water blocking layer; 4, flame-retardant layer; 5, water expandable waterstop layer; 6, restraining; 61, adhesive tape is fettered; 62, polyethylene antiseptic adhesive tape; 7, screen layer; 8, clathrum.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of waterproof control cables, comprise conductor 1, insulation layer 2, water blocking layer 3 and flame-retardant layer 4, described insulation layer 2 is coated on conductor 1, described water blocking layer 3 is coated on insulation layer 2, described flame-retardant layer 4 is coated on water blocking layer 3, being provided with water expandable waterstop layer 5 between described water blocking layer 3 and flame-retardant layer 4, described flame-retardant layer 4 outside spacers is uniformly coated with the restraining 6 for preventing flame-retardant layer 4 from expanding.
The clathrum 8 for water expandable waterstop layer 5 being divided into some grid also it is coated with between described water expandable waterstop layer 5 and flame-retardant layer 4.
Described clathrum 8 is woven by nylon material.
Described restraining 6 is made up of constraint adhesive tape 61 and polyethylene antiseptic adhesive tape 62, and described constraint adhesive tape 61 is wrapped on flame-retardant layer 4, and described polyethylene antiseptic adhesive tape 62 is coated on constraint adhesive tape 61.
In the present embodiment, described flame-retardant layer 4 is made up of mica tape, and mica tape is a kind of refractory insulating material, has excellent resistance to elevated temperatures and resistance to flame energy, and has good flexibility. Also being coated with screen layer 7 on described conductor 1, described screen layer 7 is wrapped and become by aluminium foil. Its screen layer 7 can ensure the signal stable transfer of wire.
Can when there is crack in flame-retardant layer 4 by arranging water expandable waterstop layer 5 between water blocking layer 3 and flame-retardant layer 4, its water once from crack enter into inner contact with water expandable waterstop layer 5 after its water expandable waterstop layer 5 just can expand crack closure, moisture cannot be entered between water blocking layer 3 and flame-retardant layer 4 from crack, thus make that water blocking layer 3 can not be long-term be in moist environment, and the internal layer of flame-retardant layer 4 can not because of moisture by flame-retardant layer 4 support open, firmly water expandable waterstop layer 5 can be fixed in clathrum 8 one coated on water expandable waterstop layer 5, by height independent one by one in clathrum 8, water expandable waterstop layer 5 can be limited when water expandable waterstop layer 5 expands on the other hand, thus the expansion preventing water expandable waterstop layer 5 excessive, flame-retardant layer 4 outer felt around constraint adhesive tape 61 flame-retardant layer 4 can be pasted, effectively prevent the diffusion in crack, fettering adhesive tape 61 can also prevent flame-retardant layer 4 because the expansion of inside is by big for the support that flame-retardant layer 4 is radial excessive simultaneously, on constraint adhesive tape 61, coated polyethylene antiseptic adhesive tape 62 can effectively prevent constraint adhesive tape 61 to be corroded aging, result of use and the work-ing life of constraint adhesive tape 61 can also be increased.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification sheets, but as long as being all subject to the protection of patent law in right of the present utility model.
Claims (5)
1. a waterproof control cables, comprise conductor, insulation layer, water blocking layer and flame-retardant layer, described insulation layer is coated on conductor, described water blocking layer is on the insulating layer coated, described flame-retardant layer is coated on water blocking layer, it is characterized in that: be provided with water expandable waterstop layer between described water blocking layer and flame-retardant layer, described flame-retardant layer outside spacers is uniformly coated with the restraining for preventing flame-retardant layer from expanding.
2. a kind of waterproof control cables according to claim 1, is characterized in that: be also coated with the clathrum for water expandable waterstop layer is divided into some grid between described water expandable waterstop layer and flame-retardant layer.
3. a kind of waterproof control cables according to claim 2, is characterized in that: described clathrum is woven by nylon material.
4. a kind of waterproof control cables according to claim 1, is characterized in that: described restraining is by fettering adhesive tape and polyethylene antiseptic adhesive tape is formed, and described constraint adhesive tape is wrapped on flame-retardant layer, and described polyethylene antiseptic adhesive tape is coated on constraint adhesive tape.
5. a kind of waterproof control cables according to claim 1, is characterized in that: described flame-retardant layer is made up of mica tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027797.9U CN205282156U (en) | 2016-01-13 | 2016-01-13 | Waterproof control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027797.9U CN205282156U (en) | 2016-01-13 | 2016-01-13 | Waterproof control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282156U true CN205282156U (en) | 2016-06-01 |
Family
ID=56066708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620027797.9U Expired - Fee Related CN205282156U (en) | 2016-01-13 | 2016-01-13 | Waterproof control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205282156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949993A (en) * | 2019-04-04 | 2019-06-28 | 安徽渡江电缆集团有限公司 | Military base knob mouse bite preventing power cable |
| CN113421707A (en) * | 2021-07-16 | 2021-09-21 | 宇盛电气有限公司 | Power cable and preparation method thereof |
-
2016
- 2016-01-13 CN CN201620027797.9U patent/CN205282156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949993A (en) * | 2019-04-04 | 2019-06-28 | 安徽渡江电缆集团有限公司 | Military base knob mouse bite preventing power cable |
| CN113421707A (en) * | 2021-07-16 | 2021-09-21 | 宇盛电气有限公司 | Power cable and preparation method thereof |
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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: 20160601 Termination date: 20180113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |