CN213339815U

CN213339815U - High-temperature-resistant and high-tensile-strength cable

Info

Publication number: CN213339815U
Application number: CN202022352902.5U
Authority: CN
Inventors: 池利利; 康敏华
Original assignee: Zhejiang Huapu Cable Co ltd
Current assignee: Zhejiang Huapu Cable Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-01
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a high temperature resistant, high tensile cable, including outer protective layer, inner protective layer, insulating layer, vacuum insulation board, filling layer, wire, the inner wall fixedly connected with inner protective layer of outer protective layer, the inner wall fixedly connected with insulating layer of inner protective layer, the inside of insulating layer is provided with the cooling tube, the inner wall fixedly connected with vacuum insulation board of insulating layer, the inner wall fixedly connected with filling layer of vacuum insulation board, the wired protective layer of inside fixed connection of filling layer. Through the vacuum heat insulating board that sets up, be a component that is formed by filling core and vacuum protection top layer complex, consequently it avoids the heat transfer that the air convection arouses effectively, consequently coefficient of heat conductivity can reduce substantially and combine outside outer protective layer and insulating layer, and the cooling tube that sets up plays radiating effect moreover, and work is difficult impaired in high temperature environment, and multiple high temperature resistant protection and heat dissipation make the high temperature resistance of cable can the reinforce.

Description

High-temperature-resistant and high-tensile-strength cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to high temperature resistant, high tensile cable.

Background

Conventional wire cables are typically rope-like cables made by stranding several or several groups of wires, each group of wires being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering, the cables being used primarily for connecting electrical circuits and appliances. The cable is made by adding insulation, shielding, cabling and protective layer by layer on the periphery of the conductor from the beginning of conductor processing, and the more complicated the product structure, the more layers are superposed.

When the cable is used, on one hand, due to long-time use, the cable core can generate a large amount of heat which can be transferred to an external protective layer, but if the temperature of the internal cable core is too high and heat cannot be dissipated timely, the transmission efficiency of the cable can be caused, even the internal structure of the cable can be damaged, and the cable in the prior art has poor heat dissipation and insufficient strength; on the other hand, the environment of some thermal equipment in special industries is relatively severe, particularly the environment temperature is ultrahigh, even reaches 500 ℃, and the working state of the cable directly determines the safety performance of the matched thermal equipment by testing the matched cable in such a high-temperature environment. At present, the commercial high-temperature-resistant cable adopts fluorine-containing thermoplastic as an insulating layer, and because of the limitation of the property of an insulating material, the ultimate temperature resistance index of the manufactured high-temperature-resistant cable can only reach 250 ℃, has a certain difference with the matching requirement, and can be safely used only by adding a cooling measure when the commercial high-temperature-resistant cable is used; in addition, the tensile property of the cable in the existing market is poor, and the cable cannot meet the requirements of all aspects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant, high tensile cable to propose current cable in the use in solving above-mentioned background art, can not give off or external environment high temperature can not insulate against heat and cable tensile property is poor owing to use the cable core for a long time, thereby lead to cable life low, can not safe handling under the high temperature environment and the problem that appears disconnected core in tensile distortion in the construction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant, high tensile cable, includes outer protective layer, inner protective layer, insulating layer, vacuum insulation board, filling layer, wire, the inner wall fixedly connected with inner protective layer of outer protective layer, the inner wall fixedly connected with insulating layer of inner protective layer, the inside of insulating layer is provided with the cooling tube, the inner wall fixedly connected with vacuum insulation board of insulating layer, the inner wall fixedly connected with filling layer of vacuum insulation board, the inside fixedly connected with line protective layer of filling layer, the inner wall fixedly connected with insulating layer of line protective layer, the wire is cup jointed to the inside of insulating layer.

Preferably, a cooling pipe is arranged inside the filling layer, and a coolant is arranged inside the cooling pipe.

Preferably, the wire comprises nickel-plated copper and a bulletproof wire, and the wire is wound by the nickel-plated copper and the bulletproof wire.

Preferably, the material of the outer protective layer is ceramic fiber.

Preferably, the material of the inner protective layer is a rubber composite material.

Preferably, the material of the filling layer is heat-conducting carbon fiber.

Preferably, the material of the insulating layer is glass fiber.

Preferably, the material of the thread protecting layer is a mineral material.

Preferably, the material of the heat insulation layer is aerogel felt.

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

1. the vacuum heat insulation plate is a member formed by compounding a filling core material and a vacuum protection surface layer, therefore, the cable effectively avoids heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced, the high temperature resistance of the cable is improved, and the outer protective layer and the heat insulation layer are combined, the outer protective layer is made of ceramic fiber materials, it is characterized in that the fibrous light refractory material has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small specific heat, mechanical vibration resistance and the like, the aerogel felt material is characterized by low heat conductivity coefficient, certain tensile strength and compressive strength, and the arranged radiating pipe plays a role in radiating so that the cable can resist high temperature, the cable is not easy to damage when working in a high-temperature environment, and the high-temperature resistance of the cable is high due to multiple high-temperature-resistant protection and heat dissipation, and the cable can be normally used in the high-temperature environment.

2. Through the filling layer that sets up, this kind of carbon fiber of heat conduction carbon fiber can exceed copper at the ascending coefficient of heat conductivity of fibre direction, can reach 700W mk the highest, good mechanical properties has simultaneously, electric conductive property and excellent heat conduction and radiation heat-sinking capability, the cable is used for a long time, the cable core can produce a large amount of heats, outside protective layer can be transmitted to these heats, and then absorbed the heat by the filling layer, and the cooling tube coolant that the filling layer inside set up has fine cooling effect, make the cable use the inside temperature stability for a long time, ensure the efficiency that the cable used.

3. Through the bulletproof wire that sets up, bulletproof wire is mainly made by polyaryl fiber, and tensile strength is high, the moisture absorption, and the size is stable, and is heat-resisting good, wear-resisting, resistant cutting, acid-resistant, shock-resistant, fire resistance is excellent, combines bulletproof wire and nickel-plated copper's winding structure, combines insulating layer aerogel felt material to have certain tensile and compressive strength for the holistic tensile property of cable is strong.

Drawings

Fig. 1 is a schematic view of the structure of the main view direction of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of 2-a of the present invention.

In the figure: 1. an outer protective layer; 2. an inner protective layer; 3. a thermal insulation layer; 4. a radiating pipe; 5. a vacuum insulation panel; 6. a filling layer; 7. a cooling pipe; 8. a wire; 801. plating nickel and copper; 802. anti-stretch yarn; 9. a coolant; 10. an insulating layer; 11. and a line protection layer.

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 first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high temperature resistant, high tensile cable, including outer protective layer 1, inner protective layer 2, insulating layer 3, vacuum insulation board 5, filling layer 6, wire 8, outer protective layer 1's inner wall fixedly connected with inner protective layer 2, inner wall fixedly connected with insulating layer 3 of inner protective layer 2, the inside of insulating layer 3 is provided with cooling tube 4, the inner wall fixedly connected with vacuum insulation board 5 of insulating layer 3, the inner wall fixedly connected with filling layer 6 of vacuum insulation board 5, the wired protective layer 11 of inside fixed connection of filling layer 6, the inner wall fixedly connected with insulating layer 10 of line protective layer 11, wire 8 is cup jointed to the inside of insulating layer 10.

In the embodiment, the vacuum heat insulation board 5 is a component formed by compounding a filling core material and a vacuum protection surface layer, so that the heat transfer caused by air convection is effectively avoided, the heat conductivity coefficient can be greatly reduced, the high temperature resistance of the cable is improved, the external outer protection layer 1 and the heat insulation layer 3 are combined, the outer protection layer 1 is made of ceramic fiber materials, the fiber-shaped light refractory material is characterized by having the advantages of light weight, high temperature resistance, good thermal stability, low heat conductivity, small specific heat, mechanical vibration resistance and the like, the heat insulation layer 3 is made of aerogel felt materials, the aerogel felt materials are characterized by low heat conductivity coefficient, certain tensile strength and compressive strength, the arranged radiating pipe 4 plays a role in radiating, the cable can resist high temperature, the cable is not easy to damage in high-temperature environment, and the high temperature resistance of the cable is strong due to multiple high temperature resistance protection and radiating, can be normally used in high-temperature environment.

Example two:

as shown in fig. 1-3, on the basis of the first embodiment, the utility model provides a technical solution: the inside of filling layer 6 is provided with cooling pipe 7, and the inside of cooling pipe 7 is provided with coolant 9.

In this embodiment, filling layer 6 is heat conduction carbon fiber material, the thermal conductivity coefficient of this kind of carbon fiber of heat conduction carbon fiber on the fibre direction can exceed copper, can reach 700W mk the highest, good mechanical properties has simultaneously, electric conductive property and excellent heat conduction and radiation heat-sinking capability, the cable is used for a long time, the cable core can produce a large amount of heats, these heats can be given the outside protective layer, and then by filling layer 6 absorbed heat, and 7 coolants 9 of cooling pipe of 6 inside settings of filling layer have fine cooling effect, make the cable use inside temperature stability for a long time, ensure the efficiency that the cable used.

Example three:

as shown in fig. 1-3, on the basis of the first embodiment and the second embodiment, the utility model provides a technical solution: the wire 8 includes nickel-plated copper 801 and a bulletproof wire 802, and the wire 8 is wound from the nickel-plated copper 801 and the bulletproof wire 802.

In this embodiment, the bulletproof wire 802 is mainly made of polyaryl fiber, and has high tensile strength, moisture absorption, stable size, good heat resistance, wear resistance, cutting resistance, acid resistance, impact resistance and excellent flame resistance, and the winding structure of the bulletproof wire 802 and the nickel-plated copper 801 is combined with the thermal insulation layer 3, so that the aerogel felt material has certain tensile strength and compressive strength, and the tensile property of the whole cable is strong.

The utility model discloses a theory of operation and use flow: when the cable is used for a long time, the heat that 8 leads produced can transmit filling layer 6 through insulating layer 10 and line protective layer 11, filling layer 6 absorbs the heat, the inside heat of filling layer 6 can carry out effectual cooling through the cooling pipe 7 coolant 9 that sets up, make the cable use inside temperature stable for a long time, ensure the efficiency that the cable used, and outside temperature can be by outer protective layer 1, insulating layer 3 and cooling tube 4 protection are thermal-insulated and the heat dissipation, inside outside temperature can be cut apart by vacuum insulation board 5 and is blocked, ensure to be able to normal use under high temperature environment, in addition, prevent the winding structure of bullet silk 802 and nickel-plated copper 801, combine the material performance of insulating layer 3, the aerogel felt material has certain tensile and compressive strength, make the holistic tensile property of cable strong.

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. The utility model provides a high temperature resistant, high tensile cable, includes outer protective layer (1), inner protective layer (2), insulating layer (3), vacuum insulation board (5), filling layer (6), wire (8), its characterized in that: the inner wall fixedly connected with inner protective layer (2) of outer protective layer (1), inner wall fixedly connected with insulating layer (3) of inner protective layer (2), the inside of insulating layer (3) is provided with cooling tube (4), the inner wall fixedly connected with vacuum insulation board (5) of insulating layer (3), the inner wall fixedly connected with filling layer (6) of vacuum insulation board (5), the inside fixed connection of filling layer (6) has wired protective layer (11), the inner wall fixedly connected with insulating layer (10) of line protective layer (11), wire (8) are cup jointed to the inside of insulating layer (10).

2. A high temperature resistant, high tensile cable according to claim 1, wherein: the cooling pipe (7) is arranged inside the filling layer (6), and the coolant (9) is arranged inside the cooling pipe (7).

3. A high temperature resistant, high tensile cable according to claim 1, wherein: the lead (8) comprises nickel-plated copper (801) and a bulletproof wire (802), and the lead (8) is formed by winding the nickel-plated copper (801) and the bulletproof wire (802).

4. A high temperature resistant, high tensile cable according to claim 1, wherein: the outer protection layer (1) is made of ceramic fibers.

5. A high temperature resistant, high tensile cable according to claim 1, wherein: the inner protection layer (2) is made of a rubber composite material.

6. A high temperature resistant, high tensile cable according to claim 1, wherein: the material of the filling layer (6) is heat-conducting carbon fiber.

7. A high temperature resistant, high tensile cable according to claim 1, wherein: the insulating layer (10) is made of glass fiber.

8. A high temperature resistant, high tensile cable according to claim 1, wherein: the wire protective layer (11) is made of mineral materials.

9. A high temperature resistant, high tensile cable according to claim 1, wherein: the heat insulation layer (3) is made of aerogel felt.