阅读说明：本技术 一种防水耐高温的电缆 (Waterproof high temperature resistant cable ) 是由 不公告发明人 于 2019-10-20 设计创作，主要内容包括：本发明公开了一种防水耐高温的电缆,包括保护套、防水层、第一导热层、第一半导电屏蔽层、填充层、电缆体、支撑片、第二导热层、保护圈、导热片和第二半导电屏蔽层,第一半导电屏蔽层和第二半导电屏蔽层之间设置有填充层,且填充层内等距安装有电缆体,电缆体贯穿填充层,此电缆防水耐高温效果较好,通过在填充层内部设置多个支撑片,加强了电缆内部的支撑强度,防止内部线缆因长期使用出现变形情况,通过导热片不仅起到了较好的散热效果,而且导热片也能够起到较好的支撑效果,将导热片与支撑片沿周向交错分布设置,使导热片与支撑片共同作用加强了对整个电缆的支撑,延长了线缆的使用寿命,降低了报废率。(The invention discloses a waterproof high-temperature-resistant cable, which comprises a protective sleeve, a waterproof layer, a first heat conduction layer, a first semiconductive shielding layer, a filling layer, a cable body, a supporting sheet, a second heat conduction layer, a protective ring, a heat conduction sheet and a second semiconductive shielding layer, wherein the filling layer is arranged between the first semiconductive shielding layer and the second semiconductive shielding layer, the cable body is arranged in the filling layer at equal intervals, the cable body penetrates through the filling layer, the waterproof high-temperature-resistant effect of the cable is better, the supporting strength in the cable is enhanced by arranging a plurality of supporting sheets in the filling layer, the deformation of an inner cable caused by long-term use is prevented, the heat conduction sheet not only plays a better heat dissipation effect, but also can play a better supporting effect, the heat conduction sheet and the supporting sheet are distributed in a staggered mode along the circumferential direction, so that the heat conduction sheet and the supporting sheet jointly act to strengthen the support of the whole cable, the service life of the cable is prolonged, and the rejection rate is reduced.)

1. The utility model provides a waterproof high temperature resistance cable, includes protective sheath (1), waterproof layer (2), first heat-conducting layer (3), first semiconductive shield layer (4), filling layer (5), the electric wire body (6), backing sheet (7), second heat-conducting layer (8), guard circle (9), conducting strip (11) and second semiconductive shield layer (14), its characterized in that: a filling layer (5) is arranged between the first semi-conductive shielding layer (4) and the second semi-conductive shielding layer (14), the wire bodies (6) are arranged in the filling layer (5) at equal intervals, the wire bodies (6) penetrate through the filling layer (5), a support sheet (7) is arranged at the middle position of the area between two adjacent wire bodies (6) in the filling layer (5), the support sheet (7) is fixedly connected with the first semi-conductive shielding layer (4) and the second semi-conductive shielding layer (14) respectively, the inner wall of the second semi-conductive shielding layer (14) is fixedly connected with a second heat conduction layer (8), the inner wall of the second heat conduction layer (8) is fixedly connected with a protection ring (9), radiating holes (10) are formed in the inner wall of the protection ring (9) at equal intervals, the first heat conduction layer (3) is fixedly connected with the outer side of the first semi-conductive shielding layer (4), and the outside fixedly connected with waterproof layer (2) of first heat-conducting layer (3), the outside fixedly connected with protective sheath (1) of waterproof layer (2), the outside equidistance fixedly connected with conducting strip (11) of first heat-conducting layer (3), and conducting strip (11) run through waterproof layer (2) and protective sheath (1).

2. The waterproof high-temperature-resistant cable according to claim 1, wherein: air holes (12) are formed in the protective ring (9), the air holes (12) are communicated with the outside, and the second heat conduction layer (8) is communicated with the inside of the air holes (12) through the heat dissipation holes (10).

3. The waterproof high-temperature-resistant cable according to claim 1, wherein: the supporting sheets (7) and the heat conducting sheets (11) are distributed in a staggered mode along the circumferential direction.

4. The waterproof high-temperature-resistant cable according to claim 2, wherein: the section of the heat dissipation hole (10) is in a trapezoid structure, and the diameter of the heat dissipation hole (10) at one end of the air hole (12) is larger than that of the heat dissipation hole (10) at one end of the second heat conduction layer (8).

5. The waterproof high-temperature-resistant cable according to claim 1, wherein: the protective sleeve (1) is a metal ceramic lining composite layer.

6. The waterproof high-temperature-resistant cable according to claim 1, wherein: the outer side of the protective sleeve (1) is fixedly connected with a fireproof layer (13), and the heat conducting fins (11) penetrate through the fireproof layer (13).

Technical Field

The invention relates to the technical field of cables, in particular to a waterproof high-temperature-resistant cable.

Background

The cable is a material used for electric power, electricity and related transmission purposes, the cable needs to be protected in the using process of the cable, the sheath is an insulation protection heat-shrinkable sleeve commonly used on the cable, the main material of the product is PE, and the product has a heat-shrinkable function through two processes of irradiation crosslinking and heating expansion.

Present cable is whole to set up comparatively fixed rigid plate, and waterproof, the fireproof effect is relatively poor, thereby the cable easily fires in high temperature environment and causes the conflagration phenomenon, and present cable holistic support intensity is not enough, leads to its life shorter, has increased the manufacturing cost of cable, and the disability rate increases, for this reason, we provide a waterproof high temperature resistant cable.

Disclosure of Invention

The invention aims to provide a waterproof high-temperature-resistant cable to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a waterproof high-temperature-resistant cable comprises a protective sleeve, a waterproof layer, a first heat conduction layer, a first semiconductive shielding layer, a filling layer, wire bodies, a supporting sheet, a second heat conduction layer, a protecting ring, heat conduction sheets and a second semiconductive shielding layer, wherein the filling layer is arranged between the first semiconductive shielding layer and the second semiconductive shielding layer, the wire bodies are arranged in the filling layer at equal intervals, the wire bodies penetrate through the filling layer, the supporting sheet is arranged at the middle position of the area between two adjacent wire bodies in the filling layer and is respectively fixedly connected with the first semiconductive shielding layer and the second semiconductive shielding layer, the inner wall of the second semiconductive shielding layer is fixedly connected with the second heat conduction layer, the inner wall of the second heat conduction layer is fixedly connected with the protecting ring, heat dissipation holes are formed in the inner wall of the protecting ring at equal intervals, and the first heat conduction layer is fixedly connected with the outer side of the first semiconductive, and the outside fixedly connected with waterproof layer of first heat-conducting layer, the outside fixedly connected with protective sheath of waterproof layer, the outside equidistance fixedly connected with conducting strip of first heat-conducting layer, and the conducting strip runs through waterproof layer and protective sheath.

Preferably, an air hole is formed in the protective ring and communicated with the outside, and the second heat conduction layer is communicated with the inside of the air hole through the heat dissipation hole.

Preferably, the support sheets and the heat-conducting sheets are distributed in a staggered manner along the circumferential direction.

Preferably, the cross section of the heat dissipation hole is in a trapezoidal structure, and the diameter of the heat dissipation hole at one end of the air hole is larger than that of the heat dissipation hole at one end of the second heat conduction layer.

Preferably, the protective sleeve is a metal ceramic lining composite layer.

Preferably, the outer side of the protective sleeve is fixedly connected with a fireproof layer, and the heat conducting fins penetrate through the fireproof layer.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can play a role in protecting the wire body by arranging the filling layer at the periphery of the wire body, the first semi-conductive shielding layer and the second semi-conductive shielding layer can achieve better shielding effect, avoid the phenomenon of local discharge of the wire core, by arranging the first heat conduction layer, the first heat conduction layer conducts the heat generated by the wire core to the heat conduction sheet, the heat conduction sheet conducts the heat to the outside, and the better heat conduction effect is achieved, by arranging the second heat conduction layer, the second heat conduction layer conducts a large amount of heat and discharges the heat into the ventilation holes through the heat dissipation holes, and then arrange to the external world, when the cable heat was too high, let in the cold gas through the bleeder vent of cable one end, make the cold gas dispel the heat to the second heat-conducting layer, make the other end discharge of the gas in the bleeder vent through the cable, realize rapid cooling's effect, the effectual condition of avoiding the cable to fire.

2. The waterproof layer has a good waterproof effect, the influence of rainwater on the inside of the cable in rainy days is avoided, the fireproof layer has a good fireproof effect, the plurality of support sheets are arranged in the filling layer, the support strength in the cable is enhanced, the deformation of the cable in the cable due to long-term use is prevented, the heat conducting sheets have a good heat dissipation effect and can also have a good support effect, the heat conducting sheets and the support sheets are distributed in a staggered mode along the circumferential direction, the support of the whole cable is enhanced under the combined action of the heat conducting sheets and the support sheets, the service life of the cable is prolonged, and the rejection rate is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a protective sleeve; 2. a waterproof layer; 3. a first thermally conductive layer; 4. a first semiconducting shield layer; 5. a filling layer; 6. a wire body; 7. a support sheet; 8. a second thermally conductive layer; 9. a guard ring; 10. heat dissipation holes; 11. a heat conductive sheet; 12. air holes are formed; 13. a fire barrier layer; 14. a second semiconductive shield layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a waterproof high-temperature-resistant cable comprises a protective sleeve 1, a waterproof layer 2, a first heat conduction layer 3, a first semiconductive shielding layer 4, a filling layer 5, a wire body 6, a support sheet 7, a second heat conduction layer 8, a protective ring 9, a heat conduction sheet 11 and a second semiconductive shielding layer 14, wherein the filling layer 5 is arranged between the first semiconductive shielding layer 4 and the second semiconductive shielding layer 14, wire bodies 6 are arranged in the filling layer 5 at equal intervals, the filling layer 5 is arranged on the periphery of the wire body 6 to play a role of protecting the wire body 6, the wire body 6 penetrates through the filling layer 5, the support sheet 7 is arranged in the middle position of an area between two adjacent wire bodies 6 in the filling layer 5, the support sheet 7 is fixedly connected with the first semiconductive shielding layer 4 and the second semiconductive shielding layer 14 respectively, and a better shielding effect can be achieved by arranging the first semiconductive shielding layer 4 and the second semiconductive shielding layer 14, avoid the electric wire body 6 to generate the partial discharge phenomenon, the inner wall of the second semi-conductive shielding layer 14 is fixedly connected with a second heat conduction layer 8, the inner wall of the second heat conduction layer 8 is fixedly connected with a protection ring 9, the second heat conduction layer 8 conducts a large amount of heat and discharges the heat into a vent hole 12 through a heat dissipation hole 10 so as to discharge the heat to the outside, the inner wall of the protection ring 9 is equidistantly provided with heat dissipation holes 10, the outer side of the first semi-conductive shielding layer 4 is fixedly connected with a first heat conduction layer 3, the outer side of the first heat conduction layer 3 is fixedly connected with a waterproof layer 2, a better waterproof effect is achieved through the waterproof layer 2, the influence of rainwater on the inside of the cable in rainy days is avoided, the outer side of the waterproof layer 2 is fixedly connected with a protective sleeve 1, the outer side of the first heat conduction layer 3 is equidistantly fixedly connected with heat, through having set up first heat-conducting layer 3, first heat-conducting layer 3 causes conducting strip 11 with the heat conduction that the sinle silk produced, conducting strip 11 conducts the heat to the outside, play better heat conduction effect, when the cable heat is too high, can let in the cold gas through bleeder vent 12 of cable one end, make the cold gas dispel the heat to second heat-conducting layer 8, make the other end discharge that the gas in the bleeder vent 12 passes through the cable, realize rapid cooling's effect, the effectual condition of easily burning of cable of having avoided.

An air hole 12 is formed in the protective ring 9, the air hole 12 is communicated with the outside, and the second heat conduction layer 8 is communicated with the inside of the air hole 12 through the heat dissipation hole 10, so that the cable can be rapidly cooled.

The supporting sheets 7 and the heat conducting sheets 11 are distributed in a staggered mode along the circumferential direction, the supporting of the whole cable is strengthened through the combined action of the supporting sheets 7 and the heat conducting sheets 11, and the service life of the cable is prolonged.

The section of the heat dissipation hole 10 is in a trapezoid structure, and the diameter of the heat dissipation hole 10 at one end of the air hole 12 is larger than that of the heat dissipation hole 10 at one end of the second heat conduction layer 8, so that quick heat dissipation is facilitated.

The protective sleeve 1 is a metal ceramic lining composite layer, so that the corrosion resistance is high, and the flame retardant property of the power cable is effectively improved.

The outside fixedly connected with flame retardant coating 13 of protective sheath 1, conducting strip 11 run through flame retardant coating 13, set up flame retardant coating 13 in the protective sheath 1 outside, play better fire prevention effect, avoided the condition that the cable was easily fired in the past.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.