CN219066449U

CN219066449U - Low-temperature-resistant three-core cable

Info

Publication number: CN219066449U
Application number: CN202223158050.1U
Authority: CN
Inventors: 李春辉; 张奇
Original assignee: Wuxi Guanghuan Cable Co ltd
Current assignee: Wuxi Guanghuan Cable Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-23
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a low-temperature-resistant three-core cable, which comprises a cold-proof sheath, wherein an armor layer is attached to the inner wall of the cold-proof sheath, a cable sleeve is attached to the inner wall of the armor layer, an inner sheath is attached to the inner wall of the cable sleeve, an outer shielding layer is attached to the inner wall of the inner sheath, a cable core is arranged in the outer shielding layer, the outer surface of the cable core is coated with a conductor shield, the outer surface of the conductor shield is coated with a conductor insulation, the outer surface of the conductor insulation is coated with the cold-proof shield, and three filling layers are attached between the opposite sides of the cold-proof shield and the outer shielding layer. This low temperature resistant three-core cable through being provided with winter protection sheath and winter protection shielding, has reached the purpose that improves the cold resistance of three-core cable, can improve the work efficiency of three-core cable under low temperature environment, has satisfied user's demand.

Description

Low-temperature-resistant three-core cable

Technical Field

The utility model relates to the technical field of three-core cables, in particular to a low-temperature-resistant three-core cable.

Background

The cable is used for transmitting electromagnetic energy information and realizing wire products for electromagnetic energy conversion, the cable is generally a rope-like cable formed by twisting several or several groups of wires, each group of wires are mutually insulated and are often twisted around a center, the whole outside is covered with a high-insulation covering layer, and the cable is erected in the air or is installed under the ground and water for telecommunication or power transmission and can be divided into a single-core cable, a two-core cable, a three-core cable and a multi-core cable according to the inner wire core.

According to the low-temperature-resistant three-core super-flexible cable provided by the publication No. CN212230106U, the low-temperature-resistant three-core super-flexible cable is beneficial to strengthening the low temperature resistance of the three-core cable by arranging the heat insulation layer and the heat insulation filler, and the heat insulation layer is matched with the heat insulation filler, so that the low temperature resistance is better during use, the working efficiency of the three-core cable in a low-temperature environment can be improved, but the insulation cover and the sheath coating adopted by the low-temperature-resistant three-core super-flexible cable are not cold-resistant, the cold resistance of the three-core cable can be reduced, the three-core cable is not beneficial to being used in a cold area, and the problem is solved by the low-temperature-resistant three-core cable.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a low-temperature-resistant three-core cable, which has the advantage of low temperature resistance, and solves the problems that the insulating sheath and the sheath coating of the low-temperature-resistant three-core super-flexible cable have no cold resistance, so that the cold resistance of the three-core cable is reduced, and the three-core cable is not beneficial to being used in a cold area.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low temperature resistant three-core cable, includes the winter protection sheath, the inner wall of winter protection sheath is attached with the armor, the inner wall of armor is attached with the cable cover, the inner wall of cable cover is attached with the inner sheath, the inner wall of inner sheath is attached with the outer shielding layer, the inside of outer shielding layer is provided with the cable core, the surface cladding of cable core has the conductor shielding, the surface cladding of conductor shielding has the conductor insulation, the surface cladding of conductor insulation has the winter protection shielding, be provided with three filling layer between the opposite one side of winter protection shielding and outer shielding layer, three transverse buffering has all been seted up to the inside of filling layer, three two vertical buffering have all been seted up to the inside of filling layer.

Further, the cold-proof sheath is a polyvinyl chloride sheath.

Further, the armor layer is galvanized steel wire braided armor.

Further, the cable sleeve is a silica gel cable sleeve.

Further, the outer shielding layer and the conductor shielding are both aluminum-plastic composite tape shielding.

Further, the cold-proof shielding is EPR insulating rubber.

Further, the filling layer is damping rubber.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this low temperature resistant three-core cable through being provided with winter protection sheath and winter protection shielding, has reached the purpose that improves the cold resistance of three-core cable, can improve the work efficiency of three-core cable under low temperature environment, has satisfied user's demand, through setting up the filling layer, plays the effect of supporting three-core cable inner sheath, can increase the compressive resistance of cable, effectively improves the pliability and the traction capability of cable.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

fig. 3 is a front cross-sectional view of a structural filler layer of the present utility model.

In the figure: 1 cold-proof sheath, 2 armor layer, 3 cable sleeve, 4 inner sheath, 5 outer shielding layer, 6 filling layer, 7 horizontal buffer, 8 vertical buffer, 9 cable core, 10 conductor shield, 11 conductor insulation, 12 cold-proof shield.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a low temperature resistant three-core cable in this embodiment includes a cold-proof sheath 1, the cold-proof sheath 1 is a polyvinyl chloride sheath, an armor layer 2 is attached to the inner wall of the cold-proof sheath 1, electromagnetic shielding is performed on the three-core cable, the armor layer 2 is galvanized steel wire braided armor, a cable cover 3 is attached to the inner wall of the armor layer 2, flexibility of the cable is not affected while cold resistance is achieved, the cable cover 3 is a silica gel cable cover, an inner sheath 4 is attached to the inner wall of the cable cover 3, and an outer shielding layer 5 is attached to the inner wall of the inner sheath 4.

In this embodiment, the inside of outer shielding layer 5 is provided with cable core 9, transmission electromagnetic energy information, the surface cladding of cable core 9 has conductor shielding 10, carry out electromagnetic shield outer shielding layer 5 and conductor shielding 10 to cable core 9 and be the compound area shielding of plastic-aluminum, the surface cladding of conductor shielding 10 has conductor insulation 11, carry out the insulation to cable core 9, the surface cladding of conductor insulation 11 has winter protection shielding 12, winter protection shielding 12 is the EPR insulation rubber who adds cold-resistant plasticizer, be adhered to three filling layer 6 between the opposite one side of winter protection shielding 12 and outer shielding layer 5, support and cushion three core cable, filling layer 6 is damping rubber, horizontal buffering 7 has all been seted up to the inside of three filling layer 6, two vertical buffering 8 have all been seted up to the inside of three filling layer 6.

Specifically, improve the cold resistance of cable core 9 through winter protection sheath 1 and winter protection shielding 12, electromagnetic influence between three groups of cable cores 9 can be reduced through armor 2, outer shielding layer 5, conductor shielding 10 and winter protection shielding 12, play the effect of insulating protection to cable core 9 through conductor insulation 11, support cable core 9 through filling layer 6, can improve the work efficiency of three-core cable under low temperature environment, the demand of user has been satisfied, the compressive resistance of increase cable, effectively improve the pliability and the traction capability of cable.

The working principle of the embodiment is as follows:

this low temperature resistant three-core cable improves the cold resistance of cable core 9 through winter protection sheath 1 and winter protection shielding 12, can still normally work in order degree below zero, can reduce the electromagnetic influence between three group's cable cores 9 through armor 2, outer shielding layer 5, conductor shielding 10 and winter protection shielding 12, plays the effect of insulating protection to cable core 9 through conductor insulation 11 to can avoid the erosion of water to cable core 9, support cable core 9 through filling layer 6, can be at the compressive resistance that increases the cable, improve the traction ability of cable.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a low temperature resistant three-core cable, includes winter protection sheath (1), its characterized in that: the inner wall of winter protection sheath (1) is attached with armor (2), the inner wall of armor (2) is attached with cable cover (3), the inner wall of cable cover (3) is attached with inner sheath (4), the inner wall of inner sheath (4) is attached with outer shielding layer (5), the inside of outer shielding layer (5) is provided with cable core (9), the surface cladding of cable core (9) has conductor shield (10), the surface cladding of conductor shield (10) has conductor insulation (11), the surface cladding of conductor insulation (11) has winter protection shielding (12), be provided with three filling layer (6) between the opposite one side of winter protection shielding (12) and outer shielding layer (5), three transverse buffer (7) have all been seted up to the inside of filling layer (6), two vertical buffer (8) have all been seted up to the inside of filling layer (6).

2. A low temperature resistant three-core cable according to claim 1, wherein: the cold-proof sheath (1) is a polyvinyl chloride sheath.

3. A low temperature resistant three-core cable according to claim 1, wherein: the armor layer (2) is galvanized steel wire braided armor.

4. A low temperature resistant three-core cable according to claim 1, wherein: the cable sleeve (3) is a silica gel cable sleeve.

5. A low temperature resistant three-core cable according to claim 1, wherein: the outer shielding layer (5) and the conductor shielding layer (10) are both aluminum-plastic composite belt shielding.

6. A low temperature resistant three-core cable according to claim 1, wherein: the cold-proof shielding (12) is EPR insulating rubber.

7. A low temperature resistant three-core cable according to claim 1, wherein: the filling layer (6) is made of shock-absorbing rubber.