CN211150173U

CN211150173U - Power cable with waterproof property and corrosion resistance

Info

Publication number: CN211150173U
Application number: CN201922435427.5U
Authority: CN
Inventors: 茆成彦; 张艳艳; 陈锡勇; 吴英; 李程; 高春明
Original assignee: JIANGSU RUNHUA CABLE SHAREHOLDING CO Ltd
Current assignee: JIANGSU RUNHUA CABLE SHAREHOLDING CO Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-31
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a power cable with waterproof and corrosion resistant properties, which belongs to the technical field of power cables and comprises conductors, wherein the conductors comprise three groups with the same structure size, the outer wall of each conductor is sleeved with a conductor insulating layer, the outer wall of the conductor insulating layer is sleeved with a conductor shielding layer, the outer wall of the conductor shielding layer is sleeved with an inner protective layer, the outer wall of the inner protective layer is sleeved with a waterproof layer, the outer wall of the waterproof layer is sleeved with a shielding layer, the outer wall of the shielding layer is sleeved with a protective layer, the outer wall of the protective layer is sleeved with an outer protective layer, the waterproof property of the cable is improved through the waterproof layer and a filling layer in the device, water is prevented from permeating into the power cable, the corrosion resistant effect of the power cable is ensured by the outer protective layer, the service life and the use effect of the power cable are prolonged, the inner cavity of the outer protective layer forms a cavity, and the distortion resistance and the pressure resistance of the power cable are improved.

Description

Power cable with waterproof property and corrosion resistance

Technical Field

The utility model relates to a power cable technical field specifically is a corrosion-resistant power cable of waterproof nature.

Background

The power cable is used for transmitting and distributing electric energy, and the conventional power cable is influenced by an outdoor environment in an outdoor use process, however, if the waterproof and corrosion-resistant performance of the cable is poor, the power cable is easily damaged, and the normal work of the power cable is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a have waterproof nature corrosion-resistant power cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power cable with waterproof nature is corrosion-resistant, includes the conductor, the conductor has three groups that the structure size is the same, conductor outer wall has cup jointed conductor insulation layer, conductor insulation layer outer wall has cup jointed conductor shielding layer, three groups conductor shielding layer outer wall has cup jointed interior sheath, interior sheath outer wall has cup jointed the waterproof layer, the waterproof layer outer wall has cup jointed the shielding layer, the shielding layer outer wall has cup jointed the protective layer, the protective layer outer wall has cup jointed the outer jacket.

Preferably, the outer jacket comprises two sets of jacket layers, connecting blocks are uniformly arranged between the two sets of jacket layers, and the inner side of the jacket layer is sleeved on the outer wall of the protective layer.

Preferably, the protective layer comprises an inner layer sleeved on the outer wall of the shielding layer, and the outer layer is sleeved on the outer wall of the inner layer.

Preferably, the inner cavity of the connecting block is provided with a hole, and the inner cavity of the hole is inserted with a reinforcing rib.

Preferably, a filling layer is arranged between the inner protection layer and the three groups of conductor shielding layers, and the filling layer is a waterproof filling layer.

Preferably, the number of the connecting blocks is twelve, and the twelve groups of connecting blocks are arranged in an annular array.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the waterproof performance of the cable is improved through the waterproof layer and the filling layer in the device, water is prevented from permeating into the power cable, the corrosion resistance effect of the power cable is guaranteed through the outer protective layer, the service life and the use effect of the power cable are prolonged, and the normal work of the power cable is guaranteed;

2. separate two sets of jacket layers through the connecting block, make outer jacket inner chamber vacuole formation, increase power cable's resistant distortion performance and compressive capacity to the strengthening rib has increased power cable's intensity, guarantees power cable's life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the protective layer structure of the present invention.

In the figure: 1. a conductor; 2. a conductor insulation layer; 3. a conductor shield layer; 4. an inner protective layer; 5. a filling layer; 6. a waterproof layer; 7. a shielding layer; 8. a protective layer; 81. an outer layer; 82. an inner layer; 9. an outer jacket; 91. a jacket layer; 92. reinforcing ribs; 93. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a waterproof and corrosion-resistant power cable, see fig. 1, comprising a conductor 1;

referring to fig. 1, the conductors 1 have three groups with the same structure size, the outer wall of the conductor 1 is sleeved with a conductor insulating layer 2, the conductor insulating layer 2 is made of silicon rubber, the outer wall of the conductor insulating layer 2 is sleeved with a conductor shielding layer 3, and the conductor shielding layer 3 is woven by copper wires, so that the conductor 1 is prevented from being influenced by the outside or the conductor 1 is prevented from influencing the outside;

referring to fig. 1, an inner sheath 4 is sleeved on the outer wall of a three-group conductor shielding layer 3, the inner sheath 4 is made of a halogen-free low-smoke flame retardant material, a waterproof layer 6 is sleeved on the outer wall of the inner sheath 4, and the waterproof layer 6 is formed by longitudinally wrapping an aluminum-plastic composite tape, so that the inside of the power cable is protected, external water is prevented from permeating into the inside of the power cable, and the normal work of the power cable is ensured;

referring to fig. 1, a shielding layer 7 is sleeved on the outer wall of a waterproof layer 6, the shielding layer 7 is a metal mesh woven by copper wires, the anti-interference capability of the power cable is improved, and the normal work of the power cable is ensured, a protective layer 8 is sleeved on the outer wall of the shielding layer 7, an outer protective layer 9 is sleeved on the outer wall of the protective layer 8, the outer protective layer 9 is made of halogen-free slurry-resistant thermosetting polyolefin, the outer protective layer 9 and the inner protective layer 4 have the characteristics of good waterproof and flame-retardant effects, corrosion resistance and long service life, the waterproof and corrosion-resistant effects of the power cable are ensured, and the layers of the power cable are fixedly connected;

referring to fig. 1, the outer sheath 9 includes two sheath layers 91, connection blocks 93 are uniformly arranged between the two sheath layers 91, the connection blocks 93 are fixedly connected to the two sheath layers 91, the sheath layers 91 and the connection blocks 93 are made of the same material as the outer sheath 9, the inner sheath layer 91 is sleeved on the outer wall of the protective layer 8, and the two sheath layers 91 are separated by the connection blocks 93, so that a cavity is formed in the inner cavity of the outer sheath 9, the distortion resistance and the compression resistance of the power cable are improved, and the use effect of the power cable is improved;

referring to fig. 2, the protective layer 8 includes an inner layer 82 sleeved on the outer wall of the shielding layer 7, the inner layer 82 is formed by wrapping a buffering water-blocking tape material, an outer layer 81 is sleeved on the outer wall of the inner layer 82, and the outer layer 81 is formed by wrapping a non-woven fabric material, so as to protect the inside of the power cable and ensure the service life of the power cable;

referring to fig. 1, an inner cavity of the connecting block 93 is provided with an opening, a reinforcing rib 92 is inserted into the inner cavity of the opening, and the connecting block 93 and the reinforcing rib 92 are arranged along the length direction of the power cable, so that the overall strength and the anti-distortion capability of the power cable are improved, the probability of damage of the power cable is reduced, and the service life of the power cable is ensured;

referring to fig. 1, a filling layer 5 is arranged between the inner sheath layer 4 and the three groups of conductor shielding layers 3, the filling layer 5 is a waterproof filling layer, and the filling layer 5 is water-blocking fiber paste, so that the conductors 1 are protected and isolated, external moisture can be effectively prevented from entering, and the normal operation of the power cable is ensured;

referring to fig. 1, the number of the connecting blocks 93 is twelve, and the twelve connecting blocks 93 are arranged in an annular array, so that the connecting area between the two sets of jacket layers 91 is increased, and the stability of the connection between the two sets of jacket layers 91 is ensured.

The working principle is as follows: interior sheath 4 inside packing has filling layer 5, separates conductor 1, protects power cable inside, avoids inside the water infiltration power cable to waterproof layer 6 protects power cable from the outside, further increases power cable's waterproof performance, guarantees power cable normal work, and outer jacket 9 lives power cable whole parcel, reduces power cable emergence corruption's probability, increases power cable's life.

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.

Claims

1. A power cable with water resistance and corrosion resistance, comprising a conductor (1), characterized in that: conductor (1) has the same three groups of structure size, conductor (1) outer wall has cup jointed conductor insulation layer (2), conductor insulation layer (2) outer wall has cup jointed conductor shielding layer (3), three groups conductor shielding layer (3) outer wall has cup jointed interior sheath (4), interior sheath (4) outer wall has cup jointed waterproof layer (6), waterproof layer (6) outer wall has cup jointed shielding layer (7), protective layer (8) have cup jointed protective layer (7) outer wall, protective layer (8) outer wall has cup jointed outer jacket (9).

2. A waterproof corrosion-resistant electric power cable according to claim 1, characterized in that: the outer jacket (9) comprises two sets of jacket layers (91), a connecting block (93) is uniformly arranged between the two sets of jacket layers (91), and the jacket layers (91) are sleeved on the outer wall of the protective layer (8).

3. A waterproof corrosion-resistant electric power cable according to claim 1, characterized in that: the protective layer (8) comprises an inner layer (82) sleeved on the outer wall of the shielding layer (7), and the outer wall of the inner layer (82) is sleeved with an outer layer (81).

4. A waterproof corrosion-resistant electric power cable according to claim 2, characterized in that: the inner cavity of the connecting block (93) is provided with an opening, and a reinforcing rib (92) is inserted into the inner cavity of the opening.

5. A waterproof corrosion-resistant electric power cable according to claim 1, characterized in that: be provided with filling layer (5) between interior sheath (4) and three group conductor shielding layer (3), and filling layer (5) are waterproof filling layer.

6. A waterproof corrosion-resistant electric power cable according to claim 2, characterized in that: the number of the connecting blocks (93) is twelve, and the twelve groups of connecting blocks (93) are arranged in an annular array.