CN213092841U

CN213092841U - Environment-friendly ratproof cable

Info

Publication number: CN213092841U
Application number: CN202022069645.4U
Authority: CN
Inventors: 徐楠; 郑光泽; 徐杰克
Original assignee: Zhejiang Jiaze Cable Co ltd
Current assignee: Zhejiang Jiaze Cable Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-04-30
Anticipated expiration: 2030-09-19

Abstract

The application relates to the technical field of cables, and discloses an environment-friendly protection against rodents cable, and it includes the sinle silk, the outside of sinle silk has set gradually PVC insulating layer, tinned copper wire shielding layer, aramid fiber layer, metal inoxidizing coating, inner sheath, capsaicin coating and oversheath. The application has the effect of good rat bite resistance.

Description

Environment-friendly ratproof cable

Technical Field

The application relates to the technical field of cables, in particular to an environment-friendly ratproof cable.

Background

The cable is an insulated conductor formed by arranging one or more mutually insulated conducting wires in a sealed sheath, and a protective covering layer can be added outside the insulated conductor for transmitting and distributing electric energy or transmitting electric signals, so that the cable is widely applied to detection of medical treatment, industrial production, transportation, building engineering and facilities, modern agriculture and scientific research, engineering equipment or military facilities, space and ocean.

The mouse is used as a rodent with strong fecundity and vitality and widely inhabits places such as cable tunnels, grooves, vertical shafts, underground civil air defense engineering and the like, but the traditional cable has poor mouse bite resistance, and the cable is easy to be bitten by the mouse to generate damage in different degrees, so that the situations of power failure, communication interruption and the like are caused, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the rat bite resistance of the cable, the application provides an environment-friendly rat-proof cable.

The application provides an environment-friendly protection against rodents cable adopts following technical scheme:

the utility model provides an environment-friendly protection against rodents cable, includes the sinle silk, the outside of sinle silk has set gradually PVC insulating layer, tinned copper wire shielding layer, aramid fiber layer, metal inoxidizing coating, inner sheath, capsaicin coating and oversheath.

By adopting the technical scheme, when the wire core transmits signals, the PVC insulating layer wrapped on the outer side of the wire core plays a role in electric shock protection; the tinned copper wire shielding layer can shield the interference of electromagnetic waves outside the cable to signals, and is favorable for stable transmission of the signals. The outer sheath is located the outside of cable, plays the effect of protection its inboard each layer, and after the outer sheath was bitten by the mouse, capsaicin coating can produce strong stimulation to the mouse, and then orders about the mouse to give up to bite and eat. After the outer sheath is bitten by the mouse, the inner sheath can contact with the outside and ensure the protection effect of the cable.

When the stimulation of the capsaicin coating is weakened due to long-term exposure, the inner sheath can be bitten by mice to be damaged, and the metal protective layer is not easy to be bitten by mice due to the characteristics of high hardness and strength, so that the protective effect is good. Aramid fiber has the superhigh strength, high temperature resistance, acid and alkali corrosion resistance and insulating good advantage, aramid fiber layer sets up the inboard at the metal inoxidizing coating, the insulating properties of cable has not only been improved, and when the metal inoxidizing coating because of exposing in the air for a long time corrosion damage, aramid fiber layer is because its superhigh strength can be able to bear or endure that the ability that the mouse was stung is strong, can effectively protect tinned copper wire shielding layer not destroyed, the structural strength of cable is high, the anti mouse is stung can be good, long service life, need not frequently to change the cable for the orderly operation of guarantee circuit, energy saving and environmental protection.

Preferably, the metal protective layer is a low alloy steel strip.

By adopting the technical scheme, the low alloy steel is prepared by adding one or more alloy elements into steel in an intentional manner on the basis of carbon steel in order to improve one or more properties of the steel, wherein the low alloy steel is called as low alloy steel when the total alloy content is less than 5 percent, and has the advantages of high strength and good corrosion resistance. The metal protective layer is made of low-alloy steel strips, so that the metal protective layer has a good mouse bite resistance effect, is not easy to damage when being bitten by a mouse, has good corrosion resistance, is not easy to corrode and damage when being used, and has a good protective effect.

Preferably, a plurality of anti-biting teeth are continuously distributed on the outer surface of the metal protective layer along the circumferential direction, and one end, far away from the metal protective layer, of each anti-biting tooth is a sharp portion.

Through adopting above-mentioned technical scheme, sharp-pointed anti-bite tooth can be when the mouse gnaws and stings the metal protection layer the amazing oral cavity of mouse, has increased the surface thickness of metal protection layer, has improved the structural strength and the protective effect of metal protection layer. And prevent stinging the tooth and being provided with a plurality ofly along the circumference of metal inoxidizing coating for no matter the mouse gnaws the cable from which direction and all can receive the guard action of metal inoxidizing coating, the protecting effect is good.

Preferably, the anti-biting teeth and the metal protective layer are integrally formed.

By adopting the technical scheme, the anti-biting teeth and the metal protective layer are high in connection strength and convenient to process.

Preferably, a wear-resistant layer is arranged between the metal protective layer and the inner sheath.

Through adopting above-mentioned technical scheme, the inner sheath is bitten the back by the mouse, and the wearing layer can contact with the tooth of mouse, plays the effect of protection metal protection layer, has further improved the anti-bite of cable. And the wear-resisting layer has good wear resistance and strong capability of resisting the gnawing of mice.

Preferably, the wear-resistant layer is a PTFE wrapping tape.

Through adopting above-mentioned technical scheme, the PTFE material has extremely low coefficient of friction, good wearability and fabulous chemical stability, and the wearing layer adopts this material to make not only has the advantage that the wearability is good, can also effectively protect the metal inoxidizing coating not corroded, has prolonged the life of metal inoxidizing coating.

Preferably, the wire core comprises a plurality of tinned copper wires stranded with each other.

Through adopting above-mentioned technical scheme, the copper line has good electric conductivity and heat conductivity, has strengthened the corrosion resisting ability of copper line on the one hand at the surface tin-plating of copper line, and on the other hand has improved the weldability of copper line and the barrier effect between copper line and the PVC insulating layer for the PVC insulating layer is difficult for sticking.

Preferably, the inner sheath is a PVC sheath.

Through adopting above-mentioned technical scheme, the PVC sheath has fire-retardant, chemical resistance is high, mechanical strength and the good advantage of electrical insulation nature, plays the effect of protection wearing layer.

Preferably, the outer sheath is a ceramic silicon rubber sheath.

By adopting the technical scheme, the ceramic silicon rubber has the characteristics of excellent fire resistance, flame retardance, low smoke, no toxicity and the like, residues after combustion are hard ceramic shells, and hard shells are not melted and do not drip in a fire environment. The outer sheath is made of the material and plays a role in protecting the inner sheath, so that the heat resistance and the flame retardance of the cable are improved, and the service life of the cable is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the outer sheath is bitten and damaged by a mouse, the capsaicin coating can stimulate the mouse, and then the mouse is driven to give up biting; after the irritation of the capsaicin coating is weakened, a mouse bites the inner sheath and contacts with the wear-resistant layer, and the wear-resistant layer has good wear resistance, so that the biting of the mouse can be effectively resisted, and a secondary protection effect is achieved; after the wear-resistant layer is damaged, the metal protective layer plays a role in protecting for three times, the aramid fiber layer plays a role in protecting for four times, so that a mouse cannot easily bite the wire core, and the cable is good in mouse bite resistance and long in service life;

2. the anti-biting teeth are firstly contacted with the mouse when the mouse bites the metal protective layer, so that the effect of stimulating the mouth of the mouse is achieved, the thickness and the structural strength of the metal protective layer are increased, and the protective effect of the metal protective layer is improved;

3. the inner sheath adopts PVC to make, not only has the advantage that mechanical strength is high, and is good to the protective effect of wearing layer, still has fire-retardant and insulating good effect, has improved the fire-retardant and insulating properties of cable.

Drawings

Fig. 1 is a schematic cross-sectional view of an embodiment of the present application.

Description of reference numerals: 1. a wire core; 2. a PVC insulating layer; 3. a tinned copper wire shielding layer; 4. an aramid fiber layer; 5. a metal protective layer; 51. preventing teeth from being bitten; 6. a wear layer; 7. an inner sheath; 8. a capsaicin coating; 9. an outer sheath.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses an environment-friendly ratproof cable. Referring to fig. 1, environment-friendly protection against rodents cable includes sinle silk 1, and sinle silk 1 includes many tinned wire of intertwisting each other, has the advantage that the heat and electricity conductivity is good, corrosion resisting capability is strong. The outside of sinle silk 1 has set gradually PVC insulating layer 2, tinned copper wire shielding layer 3, aramid fiber layer 4, metal inoxidizing coating 5, wearing layer 6, inner sheath 7, capsaicin coating 8 and oversheath 9.

Referring to fig. 1, the PVC insulating layer 2 is made of PVC material, has the advantages of good flame retardancy, high chemical resistance and good electrical insulation, plays a role of isolating and protecting the wire core 1, avoids electric shock accidents, and enhances the flame retardancy of the cable, so that the wire core 1 is not easy to spread when the fire is on fire due to factors such as short circuit.

Referring to fig. 1, the tinned copper wire shielding layer 3 is formed by weaving tinned copper wires, has the advantages of good shielding property and corrosion resistance, can effectively shield the interference of external electromagnetic waves to signals, and is stable in signal transmission.

Referring to fig. 1, the aramid fiber layer 4 is made of aramid fiber material, has excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight and the like, and improves the structural strength and the acid and alkali resistance of the cable.

Referring to fig. 1, the metal protective layer 5 is made of a low-alloy steel strip, has the advantages of high strength and good corrosion resistance, can effectively resist the biting of mice, and has a good protective effect on the aramid fiber layer 4 and the inner layers thereof. The surface of metal inoxidizing coating 5 has a plurality of teeth 51 of preventing stinging along circumference integrated into one piece, and the one end that metal inoxidizing coating 5 was kept away from to teeth 51 of preventing stinging is most advanced, has not only increased metal inoxidizing coating 5's structural strength, still plays the effect that the mouse of stinging metal inoxidizing coating 5 was gnawed in the stimulation, and the protecting effect is good.

Referring to fig. 1, the wear-resistant layer 6 is made of PTFE material, has a very low friction coefficient, good wear resistance and excellent chemical stability, and is disposed on the outer side of the metal protective layer 5 to protect the metal protective layer 5, so that the metal protective layer 5 is not easily corroded.

Referring to fig. 1, the inner sheath 7 is made of soft PVC material, and plays a role in protecting the wear-resistant layer 6, and has good tensile deformability, so that the cable is not easily damaged during moving.

Referring to fig. 1, a capsaicin coating 8 is formed by coating capsaicin, which is an active ingredient of capsicum, which is irritant to mammals including human beings and causes burning sensation in the mouth, and after the outer sheath 9 is bitten by a mouse, the capsaicin coating 8 strongly stimulates the mouse, thereby driving the mouse to give up biting.

Referring to fig. 1, the outer sheath 9 is a ceramic silicone rubber sheath for isolating and protecting the capsaicin coating 8, so that the irritation of the capsaicin coating 8 is not easily reduced. The outer sheath 9 is made of the materials, has the characteristics of excellent fire resistance, flame retardance, low smoke, no toxicity and the like, and residues after combustion are hard ceramic shells which are not melted and dropped in a fire environment and have good environmental protection property, good heat resistance and flame retardance of the cable and long service life.

The implementation principle of the environment-friendly ratproof cable in the embodiment of the application is as follows: after the outer sheath 9 is bitten and damaged by a mouse, the capsaicin coating 8 can stimulate the mouse and play a role in protection, so that the mouse gives up biting. After the irritation of the capsaicin coating 8 is weakened, a mouse can bite the inner sheath 7 and contact the wear-resistant layer 6, and the wear-resistant layer 6 can effectively resist the biting of the mouse, so that the secondary protection effect is achieved. After the wear-resistant layer 6 is damaged, the metal protective layer 5 plays a role of three-time protection, and the anti-biting teeth 51 on the surface of the metal protective layer can stimulate mice again; the aramid fiber layer 4 plays a role in four-time protection, so that the wire core 1 is not easy to be bitten by a mouse. The outer side of the wire core 1 is provided with a multilayer protection structure, and the cable is good in mouse bite resistance and long in service life.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an environment-friendly protection against rodents cable, includes sinle silk (1), its characterized in that: the outer side of the wire core (1) is sequentially provided with a PVC insulating layer (2), a tinned copper wire shielding layer (3), an aramid fiber layer (4), a metal protective layer (5), an inner sheath (7), a capsaicin coating (8) and an outer sheath (9).

2. The environment-friendly ratproof cable of claim 1, wherein: the metal protective layer (5) is a low alloy steel strip.

3. The environment-friendly ratproof cable of claim 2, wherein: the outer surface of metal inoxidizing coating (5) has a plurality of teeth (51) of preventing stinging along circumference continuous distribution, the one end that metal inoxidizing coating (5) were kept away from in teeth (51) of preventing stinging is sharp portion.

4. The environment-friendly ratproof cable according to claim 3, wherein: the anti-biting teeth (51) and the metal protective layer (5) are integrally formed.

5. The environment-friendly ratproof cable of claim 1, wherein: and a wear-resistant layer (6) is arranged between the metal protective layer (5) and the inner sheath (7).

6. The environment-friendly ratproof cable according to claim 5, wherein: the wear-resistant layer (6) is a PTFE lapped tape.

7. The environment-friendly ratproof cable of claim 1, wherein: the wire core (1) comprises a plurality of tinned copper wires which are mutually stranded.

8. The environment-friendly ratproof cable of claim 1, wherein: the inner sheath (7) is a PVC sheath.

9. The environment-friendly ratproof cable according to claim 8, wherein: the outer sheath (9) is a ceramic silicon rubber sheath.