CN214753055U

CN214753055U - Data transmission cable for aerospace

Info

Publication number: CN214753055U
Application number: CN202121275942.2U
Authority: CN
Inventors: 王泽元; 钱家贵; 张敏; 肖全保
Original assignee: ANHUI HANGTIAN CABLE GROUP CO LTD
Current assignee: ANHUI HANGTIAN CABLE GROUP CO LTD
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-16
Anticipated expiration: 2031-06-08

Abstract

The invention discloses a data transmission cable for aerospace, which belongs to the field of data transmission cables and comprises a plurality of data transmission cable cores, wherein the data transmission cable cores are uniformly and circumferentially distributed on the outer wall of a fixed inner core; the first shock absorption layer is wrapped with a first shielding layer, the first shielding layer is wrapped with a first constant temperature layer, the first constant temperature layer is wrapped with a first heat preservation layer, the first heat preservation layer is wrapped with a waterproof layer, and the waterproof layer is wrapped with a protective layer; the first constant temperature layer is internally provided with a heat conduction pipe, the fixed inner core is in a hollow tubular shape, and a fixed steel wire is arranged in a hollow hole of the fixed inner core; the heat conduction pipe is arranged in the first constant temperature layer and connected with the aerospace data transmission cable in a heat insulation mode on an external cold and heat source, and the problem that the service life of the data transmission cable is unstable in an extreme environment is solved.

Description

Data transmission cable for aerospace

Technical Field

The disclosure belongs to the field of data transmission cables, and particularly relates to a data transmission cable for aerospace.

Background

Cables are generally rope-like cables made by stranding several wires or groups of wires, each group 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, is widely applied to various fields, and relates to various fields of people's life and industrial production, so the using amount of the cable is very large, the requirement on quality is very high, the simple heat preservation measure for the long-time ultralow temperature condition exists in the using environment of the aerospace data transmission cable, the cable cannot be effectively protected, the instability of the service life of the diamagnetic data transmission cable is easily influenced, and the aerospace data transmission cable capable of being connected with a heat source is provided.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, this disclosed aim at provides a data transmission cable for aerospace, has solved among the prior art problem that data transmission cable can't effectively keep warm under the long-time ultra-low temperature environment.

The purpose of the disclosure can be realized by the following technical scheme:

a data transmission cable for aerospace comprises a plurality of data transmission cable cores, wherein the data transmission cable cores are uniformly and circumferentially distributed on the outer wall of a fixed inner core, the outer walls of the fixed inner core and the data transmission cable cores are jointly wrapped with a first buffer layer, and the outer wall of the first buffer layer is wrapped with a first damping layer;

the first shock absorption layer is wrapped with a first shielding layer, the first shielding layer is wrapped with a first constant temperature layer, the first constant temperature layer is wrapped with a first heat preservation layer, the first heat preservation layer is wrapped with a waterproof layer, and the waterproof layer is wrapped with a protective layer;

the first constant temperature layer is internally provided with a heat conduction pipe, the fixed inner core is in a hollow tubular shape, and the fixed inner core adopts a hollow hole and is internally provided with a fixed steel wire.

Further, the heat conductive pipe may be led out of the data transmission cable.

Furthermore, the outer wall of the fixed inner core is provided with heat preservation pipes distributed circumferentially.

Furthermore, the fixed inner core is made of rubber, the first shielding layer is made of aluminum foil, the first shock absorption layer is made of silicon rubber, and the first buffer layer is made of inorganic oxygen-isolating material.

Furthermore, the waterproof layer is made of a PVC hose, the first heat-preservation layer is made of heat-preservation cotton, and the protection layer is made of neoprene.

Further, the material on first constant temperature layer is heat conduction silica gel, the heat pipe is metal collapsible tube, and the heat pipe is the heliciform along cable axis direction and distributes.

Furthermore, the heat preservation pipes and the data transmission cable cores are the same in number and are distributed in a staggered mode in sequence.

Furthermore, the heat preservation pipe adopts the cavity design, is equipped with homothermal insulating oil in the heat preservation pipe.

The beneficial effect of this disclosure:

the heat conduction pipe is arranged in the first constant temperature layer and connected with the aerospace data transmission cable in a heat insulation mode on an external cold and heat source, and the problem that the service life of the data transmission cable is unstable in an extreme environment is solved.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;

fig. 2 is a partial enlarged view of an embodiment of the disclosure.

Detailed Description

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

As shown in fig. 1-2, a data transmission cable for aerospace use includes a plurality of data transmission cable cores 8, the plurality of data transmission cable cores 8 are uniformly and circumferentially distributed on the outer wall of a fixed inner core 7, the outer walls of the fixed inner core 7 and the plurality of data transmission cable cores 8 are jointly wrapped with a first buffer layer 72, and the outer wall of the first buffer layer 72 is wrapped with a first shock-absorbing layer 6; by such a design, the stability of the data transmission cable core 8 against impact can be ensured by the first buffer layer 7 and the first buffer layer 6;

the first damping layer 6 is wrapped with a first shielding layer 5, the first shielding layer 5 is wrapped with a first constant temperature layer 4, the first constant temperature layer 4 is wrapped with a first heat preservation layer 3, the first heat preservation layer 3 is wrapped with a waterproof layer 2, and the waterproof layer 2 is wrapped with a protective layer 1; through the design, the first shielding layer 5 can be utilized to shield external interference signals, and the stability of data transmission is ensured.

The heat conduction pipe is arranged in the first constant temperature layer 4, the fixing inner core 7 is in a hollow tubular shape, the heat conduction can be carried out through the heat conduction pipe through the design, the stability of the data transmission cable is guaranteed, and the fixing inner core 7 is provided with a fixing steel wire 71 in a hollow hole; through so design, can guarantee that data transmission cable has certain support intensity and tensile strength so make things convenient for data transmission cable to fix.

In some disclosures, the heat pipe can be led out of the data transmission cable, and by such design, the heat pipe is ensured to be stable by an external cold source, so as to ensure the temperature of the first constant temperature layer 4 to be stable.

In some disclosures, the outer wall of the fixed inner core 7 is provided with the heat preservation pipes 9 distributed circumferentially, and by means of the design, after energy exchange is performed between the heat preservation pipes 9 and an external cold and heat source, the stability of the temperature in the data transmission cable is ensured.

In some disclosures, the fixed inner core 7 is made of rubber, the first shielding layer 5 is made of aluminum foil, the first shock absorption layer 6 is made of silicon rubber, and the first buffer layer 72 is made of an inorganic oxygen-insulating material.

In some disclosures, the waterproof layer 2 is made of a PVC hose, the first heat-insulating layer 3 is made of heat-insulating cotton, and the protective layer 1 is made of neoprene.

In some disclosures, the material of the first constant temperature layer 4 is heat-conducting silica gel, the heat-conducting pipe is a metal hose, and the heat-conducting pipe is spirally distributed along the axial direction of the cable; by such a design, the total length of the heat conducting pipe per unit length of the axis can be increased, so that the energy exchange can be more rapidly performed.

In some disclosures, the heat preservation pipes 9 and the data transmission cable cores 8 are distributed in the same number in a staggered mode; through the design, the heat preservation pipe 9 and the data transmission cable core 8 can exchange energy better.

In some disclosures, the insulating tube 9 is designed to be hollow, and insulating oil with constant temperature is arranged in the insulating tube 9, so that the insulating oil can be rapidly exchanged with the external environment through the design.

Principle of operation

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.

Claims

1. The aerospace data transmission cable comprises a plurality of data transmission cable cores (8), and is characterized in that the data transmission cable cores (8) are uniformly and circumferentially distributed on the outer wall of a fixed inner core (7), the outer walls of the fixed inner core (7) and the data transmission cable cores (8) are jointly wrapped with a first buffer layer (72), and the outer wall of the first buffer layer (72) is wrapped with a first shock absorption layer (6);

the first damping layer (6) is wrapped with a first shielding layer (5), the first shielding layer (5) is wrapped with a first constant temperature layer (4), the first constant temperature layer (4) is wrapped with a first heat preservation layer (3), the first heat preservation layer (3) is wrapped with a waterproof layer (2), and the waterproof layer (2) is wrapped with a protective layer (1);

the heat conduction pipe is arranged in the first constant temperature layer (4), the fixed inner core (7) is in a hollow tubular shape, and the fixed inner core (7) is provided with a fixed steel wire (71) in a hollow hole.

2. An aerospace data transmission cable according to claim 1, wherein the heat conductive pipe is led out of the data transmission cable.

3. The aerospace data transmission cable of claim 1, wherein the outer wall of the stationary core (7) is provided with circumferentially distributed insulating tubes (9).

4. The aerospace data transmission cable according to claim 1, wherein the fixed inner core (7) is made of rubber, the first shielding layer (5) is made of aluminum foil, the first shock absorption layer (6) is made of silicon rubber, and the first buffer layer (72) is made of an inorganic oxygen-insulating material.

5. The aerospace data transmission cable according to claim 1, wherein the waterproof layer (2) is made of a PVC hose, the first heat-insulating layer (3) is made of heat-insulating cotton, and the protective layer (1) is made of neoprene.

6. The aerospace data transmission cable according to claim 1, wherein the first constant temperature layer (4) is made of heat-conducting silica gel, the heat-conducting pipe is a metal hose, and the heat-conducting pipe is spirally distributed along the axial direction of the cable.

7. The aerospace data transmission cable of claim 3, wherein the heat preservation pipes (9) and the data transmission cable cores (8) are distributed in the same number in a staggered manner.

8. The aerospace data transmission cable of claim 3, wherein the insulating tube (9) is of a hollow design, and the insulating tube (9) is filled with constant-temperature insulating oil.