CN213904982U

CN213904982U - High-temperature-resistant shielding control cable

Info

Publication number: CN213904982U
Application number: CN202022625881.XU
Authority: CN
Inventors: 薛培东
Original assignee: Shanghai Panda Electric Wire Co ltd; Shanghai Panda Special Wire Co ltd; Shanghai Yu'an Special Wire Co ltd; Shanghai Panda Wire & Cable Co ltd
Current assignee: Shanghai Panda Electric Wire Co ltd; Shanghai Panda Special Wire Co ltd; Shanghai Yu'an Special Wire Co ltd; Shanghai Panda Wire & Cable Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-06
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a high temperature resistant shielding control cable, including oversheath, cable core, the inner wall of oversheath is equipped with multiunit heat conduction strip through seting up the C-shaped groove, the oversheath inner wall of heat conduction strip inboard is equipped with metallic shield net, the inside insulating layer that is equipped with of oversheath that heat conduction strip one side was kept away from to metallic shield net, the inner wall of insulating layer is equipped with flexible supporter through seting up the annular passage, the insulating layer is close to flexible supporter one side inner wall and is equipped with the inner sheath, the inner chamber middle part of inner sheath is equipped with the earth connection through the sheath, be equipped with the inorganic fiber filling layer between the inner sheath in the cable core outside and the earth connection. The utility model discloses utilize the heat conducting strip between oversheath and the metallic shield net to derive the heat that the cable produced fast, guarantee when can effectively strengthen the thermal conductivity reliably that the shielding, and be equipped with the flexible supporter between insulating layer and the inner sheath, avoid strikeing the influence when strengthening compressive property and connect the electric performance, excellent in use effect.

Description

High-temperature-resistant shielding control cable

Technical Field

The utility model relates to the technical field of cables, specifically a high temperature resistant shielding control cable.

Background

A cable is an electrical energy or signal transmission device, typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, each group being insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. The existing control cable is mostly a single-core wire, and the high temperature resistance and other treatments during use are mostly directly finished by an external sheath, so that the safety is influenced, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant shielding control cable to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant shielding control cable, includes oversheath, cable core, the inner wall of oversheath is provided with multiunit heat conduction strip through seting up C-shaped groove is fixed, the fixed metallic shield net that is provided with of oversheath inner wall of heat conduction strip inboard, the inside fixed insulating layer that is provided with of oversheath that heat conduction strip one side was kept away from to the metallic shield net, the inner wall of insulating layer is provided with flexible supporter through seting up the annular passage is fixed, the insulating layer is close to the fixed inner sheath that is provided with of flexible supporter one side inner wall, the inner chamber middle part of inner sheath is provided with the earth connection through the sheath is fixed, the cable core is the fixed inner sheath inner chamber that sets up in the earth connection outside of annular form, the fixed inorganic fiber filling layer that is provided with between the inner sheath in the cable core outside and the earth connection.

Preferably, the outer sheath and the inner sheath are both made of polyvinyl chloride materials, and the thickness of the outer sheath is 2 times of that of the inner sheath.

Preferably, the heat conducting strips are made of aluminum alloy, at least six groups of heat conducting strips are arranged on the inner wall of the outer sheath, and the air cooling plate is connected to the outside of the interface.

Preferably, the metal shielding net is formed by cross weaving of tinned copper wires, and a fire-resistant mica tape is further arranged between the metal shielding net and the insulating layer.

Preferably, the inner material of the insulating layer is fluoroplastic, and the filler material in the inorganic fiber filler layer is glass fiber.

Preferably, the cable core is formed by twisting six multi-core tinned copper wires or bare copper wires, and the wire core diameter of the grounding wire is larger than the diameter of each copper core in the cable core.

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

1. the inner wall of the outer sheath is provided with a heat conducting strip through the arrangement of the C-shaped groove, an air cooling plate is externally connected to the joint, the inner wall of the outer sheath on the inner side of the heat conducting strip is provided with a metal shielding net, shielding reliability is guaranteed while the heat conducting performance can be effectively enhanced, a flexible supporting body is arranged between the insulating layer and the inner sheath, impact influence on the electricity connection performance is avoided while the voltage resistance is enhanced, and the using effect is good.

2. Be equipped with fire resistant mica tape between metallic shield net and insulating layer, avoid the heat to gather to produce the spark and influence cable safety when guaranteeing heat dispersion, the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. an outer sheath; 2. a cable core; 3. a heat conducting strip; 4. a metal shielding mesh; 5. An insulating layer; 6. a flexible support; 7. an inner sheath; 8. a ground line; 9. an inorganic fiber filler layer; 10. fire-resistant mica tape.

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.

Referring to FIG. 1 and FIG. 2, fig. 3, in the embodiment of the utility model, a high temperature resistant shielding control cable, including oversheath 1, cable core 2, the inner wall of oversheath 1 is provided with multiunit heat conduction strip 3 through seting up the fixed C-shaped groove, the fixed metallic shield net 4 that is provided with of oversheath 1 inner wall of the inboard of heat conduction strip 3, the inside fixed insulating layer 5 that is provided with of oversheath 1 that the metallic shield net 4 keeps away from heat conduction strip 3 one side, the inner wall of insulating layer 5 is through seting up annular channel fixed flexible supporter 6 that is provided with, the inner wall is fixed and is provided with inner sheath 7 on the side that insulating layer 5 is close to flexible supporter 6, the inner chamber middle part of inner sheath 7 is provided with earth connection 8 through the sheath is fixed, cable core 2 is the fixed inner sheath 7 inner chamber that sets up in the earth connection 8 outside that appears the ring form, fixed inorganic fiber filling layer 9 that is provided with between inner sheath 7 and the earth connection 8 outside cable core 2; the outer sheath 1 and the inner sheath 7 are both made of polyvinyl chloride materials, the pipe thickness of the outer sheath 1 is 2 times of that of the inner sheath 7, and the protection performance is guaranteed; the heat conducting strips 3 are made of aluminum alloy, at least six groups of heat conducting strips 3 are arranged on the inner wall of the outer sheath 1, and an air cooling plate is externally connected to an interface, so that the heat dissipation performance is enhanced; the metal shielding net 4 is formed by crosswise weaving tinned copper wires, and a fire-resistant mica tape 10 is arranged between the metal shielding net 4 and the insulating layer 5; the inner material of the insulating layer 5 is fluoroplastic, and the filling material in the inorganic fiber filling layer 9 is glass fiber, so that the damage of a single-stranded wire core to influence the overall use of the cable is avoided; the cable core 2 is formed by twisting six strands of multi-core tinned copper wires or bare copper wires, and the wire core diameter of the grounding wire 8 is larger than that of each strand of copper core in the cable core 2, so that the power connection capacity of the cable is effectively enhanced.

The utility model discloses a theory of operation and use flow: utilize heat conduction strip 3 to derive the heat that produces after the inside long-time operation of cable fast by the kneck in order to guarantee the security during the use, and adopt double-deck sheath, flexible supporter 6 and inorganic fiber filling layer 9 to constitute solid construction, guarantee refractiveness through fire-resistant mica tape 10 when reinforcing crushing resistance, excellent in use effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high temperature resistant shielding control cable, includes oversheath (1), cable core (2), its characterized in that: the inner wall of the outer sheath (1) is fixedly provided with a plurality of groups of heat conducting strips (3) through arranging C-shaped grooves, the inner wall of the outer sheath (1) at the inner side of the heat conducting strip (3) is fixedly provided with a metal shielding net (4), an insulating layer (5) is fixedly arranged in the outer sheath (1) at one side of the metal shielding net (4) far away from the heat conducting strip (3), the inner wall of the insulating layer (5) is fixedly provided with a flexible supporting body (6) by arranging an annular channel, an inner sheath (7) is fixedly arranged on the inner wall of one side of the insulating layer (5) close to the flexible supporting body (6), the middle part of the inner cavity of the inner sheath (7) is fixedly provided with a grounding wire (8) through a sheath, the cable core (2) is fixedly arranged in the inner cavity of the inner sheath (7) outside the grounding wire (8) in a ring shape, and an inorganic fiber filling layer (9) is fixedly arranged between the inner sheath (7) on the outer side of the cable core (2) and the grounding wire (8).

2. The high temperature resistant shielded control cable of claim 1, wherein: the outer sheath (1) and the inner sheath (7) are both made of polyvinyl chloride materials, and the pipe thickness of the outer sheath (1) is 2 times of that of the inner sheath (7).

3. The high temperature resistant shielded control cable of claim 1, wherein: the heat conducting strips (3) are made of aluminum alloy materials, at least six groups of heat conducting strips (3) are arranged on the inner wall of the outer sheath (1), and an air cooling plate is connected to the outside of the interface.

4. The high temperature resistant shielded control cable of claim 1, wherein: the metal shielding net (4) is formed by cross weaving of tinned copper wires, and a fire-resistant mica tape (10) is further arranged between the metal shielding net (4) and the insulating layer (5).

5. The high temperature resistant shielded control cable of claim 1, wherein: the inner material of the insulating layer (5) is fluoroplastic, and the filling material in the inorganic fiber filling layer (9) is glass fiber.

6. The high temperature resistant shielded control cable of claim 1, wherein: the cable core (2) is formed by twisting six strands of multi-core tinned copper wires or bare copper wires, and the wire core diameter of the grounding wire (8) is larger than the diameter of each strand of copper core in the cable core (2).