CN201749724U - Cable for resisting termites - Google Patents
Cable for resisting termites Download PDFInfo
- Publication number
- CN201749724U CN201749724U CN2010202777924U CN201020277792U CN201749724U CN 201749724 U CN201749724 U CN 201749724U CN 2010202777924 U CN2010202777924 U CN 2010202777924U CN 201020277792 U CN201020277792 U CN 201020277792U CN 201749724 U CN201749724 U CN 201749724U
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- cable
- termites
- resisting
- termite
- protective jacket
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Abstract
The utility model discloses a cable for resisting termites. The cable structure sequentially comprises a conductor (1), a conductor shield layer (2), an insulating layer (3), an insulating shield layer (4), a nylon protective jacket (5), a polyvinyl chloride (PVC) inner protective jacket (6), a steel-tape armouring (7) and an outer protective jacket (8) from the inside to the outside. The cable is additionally provided with a layer of nylon protective jacket (5) on the basis of the general cable structure; the outer protective jacket (8) is made of high-density polyethylene material for resisting termites; and the cable for resisting termites has favorable effect for resisting the termites, excellent electrical performance, corrosion resistance and long service life. The cable is suitable for zones containing more termites and has favorable social benefit and economic benefit.
Description
Technical field
The utility model relates to a kind of power cable with termite-proof function, belongs to the cable technology field.
Background technology
Termite is the insect that a kind of vitality is strong, destructive power is strong.More than ten power cables inside the province such as Guangdong, Yunnan, Fujian are subjected to the threat of ant evil always, have caused considerable damage to China's transmission of electricity cause.The direct-burried high-tension cable is in the dark moist environment for a long time, meets becoming of termite life habit dark, that become wet, is beneficial to the growth of termite and nests; In the cable construction process, contain wooden impurity such as grass roots in the backfill soil, provide abundant food source to termite; The working temperature of cable is generally 60～90 ℃, and the soil moisture of cable periphery also raises synchronously, meets the thermotactic life habit of termite, and the termite around the easier attraction is to the cable trough growth and breeding.After termite gnaws through the arrival metallic sheath to cable jacket, the formic acid of termite secretion quickens the oxidation of metallic sheath, the just easier infringement that causes termite, just cause cable insulation to make moist after metallic sheath is destroyed, meeting acceleration dendroid wears out and causes dielectric strength to reduce under electric field action, causes single-line to ground fault when serious.
At present existing a lot of termite-proof cable products, all adopt toward the protective cover material the inside and add anti-termite agent, though control termites is had certain effect, anti-termite agent all has toxicity usually, can cause environmental pollution, and the insulation property that medicine also can damage sheath are added in the sheath material the inside.
Summary of the invention
Serious at China's termite damage, the normal operation of cable is on the hazard, and domestic termite-proof cable product great majority all adopt the medicine anti-termite agent, not only environment are polluted, and the performance of cable is also brought influence, the utility model provides a kind of termite-proof cable, adopt stiff materials as cable cover(ing), termite can't be chewed sting, thereby reach the destruction that prevents the cable that termite is right preferably under the prerequisite free from environmental pollution, termite-proof effect is fine, and electric property is superior.
To achieve these goals, the utility model adopts following technical scheme: this construction of cable is followed successively by conductor, conductor shield, insulating barrier, insulation screen, nylon sheath wire, PVC inner sheath, steel-tape armouring and high density polyethylene (HDPE) oversheath from inside to outside.
The utlity model has following advantage: owing to adopted nylon sheath wire, steel-tape armouring and high density polyethylene (HDPE) oversheath to realize termite-proof function, and do not have to use the medicine of anti-ant, reach the purpose of environmental protection; Be applicable to the buried cable of power cable and other special purposes, this cable is termite-proof effective, produces easily, and it is low to lay difficulty, has good social benefit and economic benefit; Increase nylon sheath wire on the basis of the common electric power construction of cable, and the material of oversheath is designed to the hard high-density polyethylene material of material, its hardness can reach more than the Shao Shi D70, and is termite-proof respond well.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1 conductor, 2 conductor shields, 3 insulating barriers, 4 insulation screens, 5 nylon sheath wires, 6PVC inner sheath, 7 steel-tape armourings, 8 oversheaths.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, this construction of cable be followed successively by from inside to outside that conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, nylon protect 5, PVC inner sheath 6, steel-tape armouring 7 and high density polyethylene (HDPE) oversheath 8.
During production, conductor 1 adopts that copper wire is stranded to form, and conductor shield 2, insulating barrier 3, insulation screen 4 adopt three-layer co-extruded, the insulation screen 4 outer one deck nylon sheath wires 5 that extrude, extrude PVC sheath 6 again, PVC sheath 6 outer wrapped steel-tape armourings 7 extrude high density polyethylene (HDPE) outer jacket 8 at last.
Claims (3)
1. termite-proof cable, it is characterized in that: this construction of cable is followed successively by conductor (1), conductor shield (2), insulating barrier (3), insulation screen (4), nylon sheath wire (5), PVC inner sheath (6), steel-tape armouring (7), oversheath (8) from inside to outside.
2. a kind of termite-proof cable according to claim 1 is characterized in that: insulation screen (4) is outer to extrude one deck nylon sheath wire (5), and the material of nylon sheath wire (5) is a nylon 12.
3. a kind of termite-proof cable according to claim 1 is characterized in that: oversheath (8) is to be made by high-density polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202777924U CN201749724U (en) | 2010-07-30 | 2010-07-30 | Cable for resisting termites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202777924U CN201749724U (en) | 2010-07-30 | 2010-07-30 | Cable for resisting termites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749724U true CN201749724U (en) | 2011-02-16 |
Family
ID=43584397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202777924U Expired - Fee Related CN201749724U (en) | 2010-07-30 | 2010-07-30 | Cable for resisting termites |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201749724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637477A (en) * | 2012-04-11 | 2012-08-15 | 无锡市海盛德电器有限公司 | 1E-level K3-type electric wire and cable for mouse-and-ant-proof nuclear power station |
| CN103247374A (en) * | 2013-04-12 | 2013-08-14 | 王小平 | Ratproof and ant-prevention communication cable |
-
2010
- 2010-07-30 CN CN2010202777924U patent/CN201749724U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637477A (en) * | 2012-04-11 | 2012-08-15 | 无锡市海盛德电器有限公司 | 1E-level K3-type electric wire and cable for mouse-and-ant-proof nuclear power station |
| CN103247374A (en) * | 2013-04-12 | 2013-08-14 | 王小平 | Ratproof and ant-prevention communication cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130730 |