CN212484989U

CN212484989U - Cable for aerospace aircraft

Info

Publication number: CN212484989U
Application number: CN202021582995.4U
Authority: CN
Inventors: 袁天恩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-02-05
Anticipated expiration: 2030-08-03

Abstract

The utility model belongs to the technical field of aerospace craft, and discloses a cable for aerospace craft, comprising a sheath, wherein a radio frequency wire is arranged in the middle of the inside of the sheath, and one side of the inside of the sheath, which is close to the radio frequency wire, is connected with a power control wire, a first insulating sleeve is arranged on the outer wall of the power control wire, a second insulating sleeve is connected with the outer wall of the radio frequency wire, and a reinforcing sleeve is sleeved on the outer wall of the sheath, the utility model can enhance the protective effect of the sheath on the power control wire and the radio frequency wire through the reinforcing sleeve, and can play the role of buffering and energy dissipation when the cable is extruded by external force through the matching of a cavity groove and a spring, thereby further protecting the power control wire and the radio frequency wire, and in addition, the power control wire can be limited and fixed through the matching of a fixing strip and a limiting groove, thereby preventing the power control wire from generating larger dislocation, the safety of the device is greatly improved.

Description

Cable for aerospace aircraft

Technical Field

The utility model belongs to the technical field of the aerospace vehicle, concretely relates to cable for aerospace vehicle.

Background

Aviation refers to the navigation activity of an aircraft in the earth atmosphere, aerospace refers to the navigation activity of an aircraft in the space outside the atmosphere, and the aerospace greatly changes the structure of transportation, and the aerospace aircraft is an instrument flying object which is manufactured by human beings, can fly off the ground, is controlled by the human beings and flies in the atmosphere or the space (space) outside the atmosphere, is called an aircraft flying in the atmosphere, and is called a spacecraft flying in the space.

In chinese patent No. CN201620605300.7, a cable for aerospace craft is disclosed, the device is through combining power cable, control cable and radio frequency coaxial cable together, thereby can avoid electric power, control, repeated laying of radio frequency coaxial unit circuit, the laying line area of cable has been greatly reduced, laying time and laying space have been saved, but the device still has more defects when in actual use, for example, the compressive property of combination cable is relatively poor, it is difficult to bear great pressure, when receiving external effect, great dislocation offset easily occurs between cables, and the magnetic field between external magnetic field and the cable easily interferes with each other, thereby affecting the stability of signal transmission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable for aerospace craft to the tensile compressive property of the cable that provides in solving above-mentioned background art is relatively poor, and easily receives the problem of magnetic field interference.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable for aerospace craft, includes the sheath, install the radio frequency wire in the middle of the inside of sheath, and one side that the inside of sheath is close to the radio frequency wire is connected with the electric control wire, first insulation cover is installed to the outer wall of electric control wire, the outer wall connection of radio frequency wire has the second insulation cover, the outer wall cover of sheath is equipped with the uide bushing, install the tensile layer between the inner wall of uide bushing and the outer wall of sheath, and seted up the chamber groove between the inside and the outside of uide bushing, the internally mounted in chamber groove has the spring, one side that the inner wall of sheath is close to the electric control wire is connected with the fixed strip, the fixed strip is kept away from the one end of sheath inner wall and.

Preferably, a third protective layer is installed on the outer wall of the second insulating sleeve, the outer wall of the first insulating sleeve is connected with the second protective layer, and a first protective layer is installed between the inner wall of the reinforcing sleeve and the outer wall of the tensile layer.

Preferably, the power control wires comprise power wires and control wires, and the inside of the sheath is filled with a filling layer.

Preferably, the outer wall of the reinforcing sleeve is provided with a waterproof membrane, and the outer wall of the waterproof membrane is provided with a diversion trench.

Preferably, the power control wires are distributed annularly with the radio frequency wire as a center, and the intervals between two adjacent power control wires are equal.

Preferably, the fixing strip is rectangular, and the outer diameter of the sheath is smaller than that of the reinforcing sleeve.

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

(1) the utility model discloses a protective effect of sheath to electric control wire and radio frequency wire can be strengthened to the uide bushing, through the cooperation of chamber groove and spring, can play the effect of buffering energy dissipation when the cable receives external force extrusion to further protect electric control wire and radio frequency wire, in addition, through the cooperation of fixed strip and spacing groove, can carry out spacing fixed to electric control wire, thereby can prevent that electric control wire from taking place great dislocation skew, improved the security of device greatly.

(2) The utility model discloses a cooperation of second protective layer and third protective layer can strengthen the interference killing feature of electric control wire and radio frequency wire respectively, can prevent the interference of external magnetic field to inside cable simultaneously through first protective layer to further reinforcing the shielding interference killing feature of electric control wire and radio frequency wire, improved signal transmission's stability.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a sheath; 2. a reinforcing sleeve; 3. a spring; 4. a cavity groove; 5. a fixing strip; 6. a limiting groove; 7. a tensile layer; 8. a first protective layer; 9. a second protective layer; 10. a third protective layer; 11. a power control wire; 12. a radio frequency wire; 13. a first insulating sleeve; 14. a second insulating sleeve; 15. and (5) filling the 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.

Referring to fig. 1-3, the present invention provides the following technical solutions: a cable for an aerospace craft comprises a sheath 1, a radio frequency wire 12 is installed in the middle of the inside of the sheath 1, a power control wire 11 is connected to one side, close to the radio frequency wire 12, of the inside of the sheath 1, a first insulating sleeve 13 is installed on the outer wall of the power control wire 11, a second insulating sleeve 14 is connected to the outer wall of the radio frequency wire 12, a reinforcing sleeve 2 is sleeved on the outer wall of the sheath 1, a tensile layer 7 is installed between the inner wall of the reinforcing sleeve 2 and the outer wall of the sheath 1, the tensile performance of the cable can be improved through the tensile layer 7, a cavity groove 4 is formed between the inside and the outside of the reinforcing sleeve 2, a spring 3 is installed inside the cavity groove 4, a fixing strip 5 is connected to one side, close to the power control wire 11, of the inner wall of the sheath 1, a limiting groove 6 is formed in one end, far away from the inner wall of the sheath 1, of the fixing strip 5, and the reinforcing, simultaneously under the cooperation of chamber groove 4 and spring 3, can play the effect of buffering energy dissipation when the cable receives external force extrusion to further protect electric control wire 11 and radio frequency wire 12, in addition, through the cooperation of fixed strip 5 and spacing groove 6, can carry out spacing fixed to electric control wire 11, thereby can prevent that electric control wire 11 from taking place great dislocation skew, improved the security of device greatly.

Further, third protective layer 10 is installed to the outer wall of second insulating cover 14, the outer wall connection of first insulating cover 13 has second protective layer 9, install first protective layer 8 between the inner wall of reinforcement sleeve 2 and the outer wall of tensile layer 7, first protective layer 8, second protective layer 9 and third protective layer 10 are made by passing through aluminium zinc alloy foil, can strengthen the interference killing feature of electric control wire 11 and radio frequency wire 12 respectively through second protective layer 9 and third protective layer 10, and can prevent the interference of external magnetic field to internal cable through first protective layer 8, thereby further strengthened the shielding interference killing feature of electric control wire 11 and radio frequency wire 12, signal transmission's stability has been improved.

Furthermore, the power control lead 11 comprises a power lead and a control lead, a filling layer 15 is filled in the sheath 1, and the filling layer 15 is made of waterproof cable paste, so that the waterproof performance of the cable can be improved.

Specifically, the water proof membrane has been seted up to the outer wall of uide bushing 2, and the water proof membrane has waterproof effect to can avoid external rainwater infiltration uide bushing 2's inside as far as possible, and the guiding gutter has been seted up to the outer wall of water proof membrane.

Specifically, the power control wires 11 are distributed in a ring shape with the radio frequency wire 12 as a center, and the intervals between two adjacent power control wires 11 are equal.

Specifically, the fixing strip 5 is rectangular, the fixing strip 5 has a limiting effect, and the outer diameter of the sheath 1 is smaller than that of the reinforcing sleeve 2.

The utility model discloses a theory of operation and use flow: when the utility model is used, the protective effect of the sheath 1 to the electric control lead 11 and the radio frequency lead 12 can be enhanced by arranging the reinforcing sleeve 2 outside the sheath 1, the anti-interference performance of the electric control lead 11 and the radio frequency lead 12 can be respectively enhanced by the second protective layer 9 and the third protective layer 10, and the interference of the external magnetic field to the internal cable can be prevented by the first protective layer 8, thereby further enhancing the shielding anti-interference capability of the electric control lead 11 and the radio frequency lead 12, improving the stability of signal transmission, and simultaneously playing the role of buffering and energy dissipation when the cable is extruded by external force under the matching of the cavity groove 4 and the spring 3, thereby further protecting the electric control lead 11 and the radio frequency lead 12, in addition, the electric control lead 11 can be limited and fixed by the matching of the fixing strip 5 and the limiting groove 6, thereby preventing the electric control lead 11 from generating larger dislocation offset, the safety of the device is greatly improved.

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 cable for an aerospace vehicle, characterized in that: comprises a sheath (1), a radio frequency lead (12) is arranged in the middle of the inside of the sheath (1), and one side of the inside of the sheath (1) close to the radio frequency conducting wire (12) is connected with a power control conducting wire (11), a first insulating sleeve (13) is arranged on the outer wall of the power control lead (11), a second insulating sleeve (14) is connected with the outer wall of the radio frequency lead (12), the outer wall of the sheath (1) is sleeved with a reinforcing sleeve (2), a tensile layer (7) is arranged between the inner wall of the reinforcing sleeve (2) and the outer wall of the sheath (1), and a cavity groove (4) is arranged between the inside and the outside of the reinforcing sleeve (2), a spring (3) is arranged in the cavity groove (4), one side of the inner wall of the sheath (1) close to the electric control lead (11) is connected with a fixed strip (5), and a limiting groove (6) is formed in one end, far away from the inner wall of the sheath (1), of the fixing strip (5).

2. An aerospace vehicle cable according to claim 1, wherein: third protective layer (10) are installed to the outer wall of second insulating cover (14), the outer wall of first insulating cover (13) is connected with second protective layer (9), install first protective layer (8) between the inner wall of strengthening cover (2) and the outer wall of tensile layer (7).

3. An aerospace vehicle cable according to claim 1, wherein: the power control wire (11) comprises a power wire and a control wire, and the inside of the sheath (1) is filled with a filling layer (15).

4. An aerospace vehicle cable according to claim 1, wherein: the outer wall of the reinforcing sleeve (2) is provided with a waterproof membrane, and the outer wall of the waterproof membrane is provided with a diversion trench.

5. An aerospace vehicle cable according to claim 1, wherein: the power control wires (11) are annularly distributed by taking the radio frequency wire (12) as a center, and the intervals of two adjacent power control wires (11) are equal.

6. An aerospace vehicle cable according to claim 1, wherein: the fixing strip (5) is rectangular, and the outer diameter of the sheath (1) is smaller than that of the reinforcing sleeve (2).