CN213935693U

CN213935693U - Branch cable assembly for near space aircraft

Info

Publication number: CN213935693U
Application number: CN202023283793.2U
Authority: CN
Inventors: 李健; 杨小峰; 姜茂盛; 彭达; 汪磊; 高加云; 明观涛
Original assignee: Anhui Hongyuan Special Cable Group Co ltd
Current assignee: Anhui Hongyuan Special Cable Group Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-10
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a close on space aircraft branch cable subassembly, including the communication cable main part, the outside of communication cable main part is provided with multiunit branch, be formed with the branch junction between branch and the communication cable main part, the one end fixedly connected with main connector tail of communication cable main part attaches, branch keeps away from the vice connector tail of one end fixedly connected with of communication cable main part and attaches, the main connector tail attach with between the communication cable main part and vice connector tail attach with branch between all inject silica gel. The utility model discloses a carry out the double-deck shielding net around establishing 360 shielding processing of formation, simultaneously, after communication cable main part and branch connection and main connector tail and vice connector tail attach the crimping, twine the winding of semi-conductive cloth, form double-deck shielding, and sealed glue is injected into in the inside of branching opening mould shrink cover, can prevent the damp gas entering, has greatly improved the security that the cable used.

Description

Branch cable assembly for near space aircraft

Technical Field

The utility model relates to a cable subassembly technical field, concretely relates to approach on branch cable subassembly for space flight ware.

Background

The near space aircraft is an aircraft or a sub-orbital aircraft which can only or continuously fly in the near space for a long time or a hypersonic cruise aircraft which flies in the near space, has the advantages that the aviation and aerospace aircraft do not have, particularly has great development potential in the aspects of communication guarantee, information collection, electronic suppression, early warning, civil use and the like, has the characteristics of quick response, super-strong penetration, flexible maneuver and the like, is a novel concept weapon which has strategic deterrence and actual combat application capability, has important functions for deterring strong enemies, controlling crisis and fighting, is a sharp instrument for competitive development of military major countries such as America and Russia, and along with the research and development of the near space aircraft in recent years in China, how to ensure the aircraft to fly in the high-speed and high-altitude environment is important, along with the increase of the functions of maneuvering equipment, a large number of sensors and control parts are needed to monitor and control the equipment, this requires a large number of various signal and control lines to be provided on the motorized platform. Scattered and disordered multi-strand wire harnesses influence the maintenance and fault detection of equipment, so that integrated comprehensive wire harnesses are needed to meet the transmission requirements of signals such as power, signals and control, but in the existing cable assembly for branching, the shielding effect of a branch joint is poor, the protection strength is not high, and the joint is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a close on space aircraft branch cable subassembly to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: a branch cable assembly for a near space aircraft comprises a communication cable main body, wherein a plurality of groups of branches are arranged outside the communication cable main body, branch joints are formed between the branches and the communication cable main body, one end of the communication cable main body is fixedly connected with a main connector tail, one end of the branch far away from the communication cable main body is fixedly connected with an auxiliary connector tail, silica gel is filled between the main connector tail and the communication cable main body and between the auxiliary connector tail and the branch, a shielding net is arranged outside the joint of the communication cable main body and the branch, the shielding net is fixedly wound outside the joint of the communication cable main body and the branch joints and is provided with double layers, semi-conductive cloth is arranged outside the shielding net and is wound outside the shielding net, and a forked opening mold shrinkage sleeve is arranged outside the semi-conductive cloth, the forked opening mold shrinkage sleeve is sleeved outside the joint of the communication cable main body and the branch through a heat shrinkage process, and sealant is injected into the forked opening mold shrinkage sleeve.

Preferably, the outer part of the joint of the communication cable main body and the main connector tail and the outer part of the joint of the branch and the auxiliary connector tail are both sleeved with a heat-shrinkable protective sleeve.

Preferably, the heat-shrinkable protective sleeve is also injected with sealant.

Preferably, the branch and the communication cable main body are connected by excessive overlap, and aramid fiber wires are arranged around the outside of the shielding net at the joint of the communication cable main body and the branch.

Preferably, the connection part of the main connector tail and the communication cable main body and the connection part of the auxiliary connector tail and the branch are also wound with semi-conductive cloth, and the heat-shrinkable protective sleeve is positioned on the outer side of the semi-conductive cloth.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model connects the main body of the communication cable with the branch in a transition lap joint mode, winds the double-layer shielding net to form 360-degree shielding treatment, then ties up the ends of the branch bundle electromagnetic shielding net by aramid fiber wires to improve the shielding capability of the cable assembly, especially, the anti-electromagnetic interference performance of the bifurcation is improved, and simultaneously, after the communication cable main body is connected with the branch and the main connector tail and the auxiliary connector tail are attached and pressed, the semi-conductive cloth is wound to form double-layer shielding, so that the shielding firmness and the shielding effect of the whole assembly are more effectively ensured, and set up the protection of fork opening mould shrink cover pyrocondensation at the junction of communication cable main part and branch to inject sealed glue into the inside of fork opening mould shrink cover, can prevent the entry of damp and gas, greatly improved the security that the cable used.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of the branch junction structure of the present invention.

Description of reference numerals:

1. a communication cable main body; 2. branching; 3. the main connector is attached at the tail; 4. the auxiliary connector is attached at the tail; 5. a heat-shrinkable protective sleeve; 6. a forked opening die shrink sleeve; 7. a shielding mesh; 8. semi-conductive cloth.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a branch cable assembly for near space aircraft as shown in figures 1-2, which comprises a communication cable main body 1, a plurality of groups of branches 2 are arranged outside the communication cable main body 1, branch junctions are formed between the branches 2 and the communication cable main body 1, one end of the communication cable main body 1 is fixedly connected with a main connector tail attachment 3, one end of the branch 2, which is far away from the communication cable main body 1, is fixedly connected with an auxiliary connector tail attachment 4, silica gel is filled between the main connector tail attachment 3 and the communication cable main body 1 and between the auxiliary connector tail attachment 4 and the branch 2, a shielding net 7 is arranged outside the junction of the communication cable main body 1 and the branch 2, the shielding net 7 is fixedly wound outside the junction of the communication cable main body 1 and the branch 2, the shielding net 7 is provided with double layers, a semi-conductive cloth 8 is arranged outside the shielding net 7, the semi-conductive cloth 8 is wound outside the shielding net 7, a forked opening mold shrinkage sleeve 6 is arranged outside the semi-conductive cloth 8, the forked opening mold shrinkage sleeve 6 is sleeved outside the joint of the communication cable main body 1 and the branch 2 through a thermal shrinkage process, and sealant is injected inside the forked opening mold shrinkage sleeve 6;

further, in the above technical solution, the thermal shrinkage protective sleeve 5 is sleeved on the outside of the connection between the communication cable body 1 and the main connector tail attachment 3 and the outside of the connection between the branch 2 and the auxiliary connector tail attachment 4;

further, in the above technical solution, the inside of the heat-shrinkable protective sleeve 5 is also filled with a sealant;

further, in the above technical solution, the branch 2 and the communication cable main body 1 are connected by overconnection, and an aramid fiber wire is fixedly wound around the outside of the shielding net 7 at the connection of the communication cable main body 1 and the branch 2;

further, in the above technical solution, a semi-conductive cloth 8 is also wound around a connection between the main connector tail 3 and the communication cable main body 1 and a connection between the auxiliary connector tail 4 and the branch 2, and the heat-shrinkable protective sleeve 5 is located outside the semi-conductive cloth 8;

the implementation mode is specifically as follows: the communication cable body 1 adopts a high and low temperature resistant light weight type data communication cable, a 5-core 24AWG, a silver-plated conductor and a shield, an X-ETFE insulation and a sheath are adopted, so that the weight of the cable is light, the weight is reduced by 40% compared with that of a common cable harness, the flexibility of the cable is improved, the bending radius of the cable is reduced, and the cable is more convenient to install, a secondary glue filling process is adopted at the joint of a main connector tail 3 and a secondary connector tail 4, silica gel is secondarily filled between the connector tail and the cable, so that the waterproof and moistureproof effects can be achieved, IP68 protection is met, the joint of the communication cable body 1 and a branch 2 is connected in a transition lap joint mode, a double-layer shielding net 7 is wound to form 360-degree shielding treatment, and then the end of a branch harness electromagnetic shielding net 7 is bundled by using an aramid fiber wire, the branch electromagnetic shielding net and the main electromagnetic shielding net are ensured not to leave a gap, 360-degree shielding is ensured, the shielding capability of a cable assembly is further improved, particularly the anti-electromagnetic interference performance of a branch position is improved, 360-degree protection binding is carried out by adopting lap joint and aramid fiber wires, the anti-electromagnetic shielding nets of all parts can be ensured to be reliably connected under the environment of repeated vibration, the continuity of the anti-electromagnetic shielding nets is ensured, meanwhile, after the communication cable main body 1 is connected with the branch 2 and the main connector tail 3 and the auxiliary connector tail 4 are crimped, semi-conductive cloth 8 is wound to form double-layer shielding, the shielding firmness and the shielding effect of the whole assembly are more effectively ensured, the branch opening mold shrinkage sleeve 6 is arranged at the joint of the communication cable main body 1 and the branch 2 for protection, and sealant is injected into the branch opening mold shrinkage sleeve 6, the split opening membrane shrink sleeve can also be replaced by the matching treatment of a metal cross four-way and a corrugated pipe.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A branch cable assembly for an adjacent space aircraft, comprising a communication cable body (1), characterized in that: a plurality of groups of branches (2) are arranged outside the communication cable main body (1), branch connection parts are formed between the branches (2) and the communication cable main body (1), a main connector tail attachment (3) is fixedly connected to one end of the communication cable main body (1), an auxiliary connector tail attachment (4) is fixedly connected to one end, far away from the communication cable main body (1), of each branch (2), silica gel is filled between the main connector tail attachment (3) and the communication cable main body (1) and between the auxiliary connector tail attachment (4) and the branches (2), a shielding net (7) is arranged outside the connection parts of the communication cable main body (1) and the branches (2), the shielding net (7) is fixedly wound outside the connection parts of the communication cable main body (1) and the branches (2), the shielding net (7) is provided with double layers, and semi-conductive cloth (8) is arranged outside the shielding net (7), the semi-conductive cloth (8) is wound on the outer portion of the shielding net (7), a forked opening mold shrinkage sleeve (6) is arranged on the outer portion of the semi-conductive cloth (8), the forked opening mold shrinkage sleeve (6) is sleeved on the outer portion of the joint of the communication cable main body (1) and the branch (2) through a thermal shrinkage process, and sealant is injected into the forked opening mold shrinkage sleeve (6).

2. The branch cable assembly for an adjacent space aircraft according to claim 1, wherein: the outer part of the joint of the communication cable main body (1) and the main connector tail attachment (3) and the outer part of the joint of the branch (2) and the auxiliary connector tail attachment (4) are both sleeved with a thermal shrinkage protective sleeve (5).

3. The drop cable assembly for an adjacent space aircraft of claim 2, wherein: and sealant is also injected into the heat-shrinkable protective sleeve (5).

4. The branch cable assembly for an adjacent space aircraft according to claim 1, wherein: the branch (2) is connected with the communication cable main body (1) by adopting an excessive overlapping method, and aramid wires are arranged around the outside of the shielding net (7) at the joint of the communication cable main body (1) and the branch (2).

5. The drop cable assembly for an adjacent space aircraft of claim 2, wherein: the junction of the main connector tail (3) and the communication cable main body (1) and the junction of the auxiliary connector tail (4) and the branch (2) are also provided with semi-conductive cloth (8) in a winding mode, and the thermal shrinkage protective sleeve (5) is located on the outer side of the semi-conductive cloth (8).