CN112769016A - Assembly process of branch cable assembly for near space aircraft - Google Patents
Assembly process of branch cable assembly for near space aircraft Download PDFInfo
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- CN112769016A CN112769016A CN202011610682.XA CN202011610682A CN112769016A CN 112769016 A CN112769016 A CN 112769016A CN 202011610682 A CN202011610682 A CN 202011610682A CN 112769016 A CN112769016 A CN 112769016A
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- branch
- shielding
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- connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a process for assembling a branch cable assembly for an adjacent space aircraft, which particularly relates to the technical field of cables and comprises the following steps: step S1: selecting a corresponding high-low temperature resistant lightweight data communication cable and a connector; step S2: the connector tail adopts a secondary glue filling process; performing secondary silica gel filling connection between the tail part of the connector and the cable; step S3: the branch position is subjected to double-layer 360-degree shielding treatment in a transitional overlapping mode, and then the end of the branch bundle electromagnetic shielding net is subjected to bundling treatment by aramid fiber wires; step S4: winding the semi-conductive cloth after the connector is shielded and pressed; step S5: and opening mold shrink sleeves are adopted at the branch parts for thermal shrinkage and waterproof treatment. According to the assembly process of the branch cable assembly for the near-space aircraft, the branch position is subjected to double-layer 360-degree shielding treatment, and a transition lap joint mode is adopted, so that no gap is reserved between the branch electromagnetic shielding net and the main electromagnetic shielding net, 360-degree shielding is guaranteed, and the shielding capacity of the cable assembly can be improved.
Description
Technical Field
The invention relates to the technical field of wire cables, in particular to a process for assembling a branch cable assembly for an adjacent space aircraft.
Background
With the research and development of near space aircrafts in recent years in China, how to ensure the aircrafts to fly in high-speed and high-altitude environments is important, and with the increase of functions of mobile equipment, a large number of sensors and control components are needed to monitor and control the equipment, so that a large number of various signals and control lines need to be arranged on a mobile platform. Scattered and disordered multi-strand wire harnesses can influence the maintenance and fault detection of equipment. Therefore, some integrated complex wiring harness is needed to meet the transmission requirements of power, signals, control and other signals.
At present, the assembly, sealing, water proofing and moisture proofing performance of communication cable components is poor, and the whole communication cable is heavy.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, embodiments of the present invention provide a process for assembling a branch cable assembly for an adjacent space aircraft, and the technical problem to be solved by the present invention is: the prior communication cable components are poor in waterproof and moistureproof performance in assembly and sealing.
In order to achieve the purpose, the invention provides the following technical scheme: a process for assembling a branch cable assembly for an adjacent space aircraft comprises the following steps:
step S1: selecting a corresponding high-low temperature resistant lightweight data communication cable and a connector;
step S2: the connector tail adopts a secondary glue filling process; performing secondary silica gel filling connection between the tail part of the connector and the cable;
step S3: the branch position is subjected to double-layer 360-degree shielding treatment in a transitional overlapping mode, and then the end of the branch bundle electromagnetic shielding net is subjected to bundling treatment by aramid fiber wires;
step S4: winding the semi-conductive cloth after the connector is shielded and pressed;
step S5: and opening mold shrink sleeves are adopted at the branch parts for thermal shrinkage and waterproof treatment.
Preferably, in step S1, a high/low temperature resistant lightweight data communication cable is used; the requirement of high-speed communication is met by adopting a silver-plated conductor, and compared with a common communication cable, the communication cable is lighter by 50% by adopting fluoropolymer insulation and a sheath, so that the requirement of light weight is met.
Preferably, in the step S2, silica gel is poured for the second time, so as to achieve the waterproof and moistureproof effects and meet the IP68 protection requirements.
Preferably, in step S3, the branch is subjected to double-layer 360-degree shielding treatment in a transition lap joint manner, and then the ends of the branch bundle electromagnetic shielding nets are bundled by aramid fiber wires, so that no gap is left between the branch electromagnetic shielding net and the main electromagnetic shielding net, and 360-degree shielding is ensured, and the connection is reliable.
Preferably, in step S4, the connector is wound with the semi-conductive cloth after being crimped with the shield, and the shield wire is wound with the semi-conductive cloth after being crimped with the connector to form a double-layer shield, thereby more effectively ensuring the shielding firmness and shielding effect of the whole assembly.
Preferably, in step S5, the branch is heat-shrunk by an open mold shrink sleeve and is subjected to waterproof treatment, and after the shielding net is treated, the outside is heat-shrunk by a bifurcated mold shrink sleeve and a heat-shrinkable sheath or by a metal cross four-way joint and a corrugated pipe, so as to prevent moisture from entering.
The invention has the technical effects and advantages that:
according to the assembly process of the branch cable assembly for the near space aircraft, the branch position is subjected to double-layer 360-degree shielding treatment, a transition lap joint mode is adopted, then the end of the branch bundle electromagnetic shielding net is bundled by the aramid fiber line, so that no gap is left between the branch electromagnetic shielding net and the main electromagnetic shielding net, and 360-degree shielding is guaranteed. The shielding capacity of the cable assembly can be improved, particularly the anti-electromagnetic interference performance of the bifurcation is improved, 360-degree protection binding is carried out by lapping and using aramid fiber lines, the reliable connection of the anti-electromagnetic shielding nets of all parts in a repeated vibration environment can be ensured, and the continuity of the anti-electromagnetic shielding nets is ensured; the branch is subjected to thermal shrinkage by an opening film shrinkage sleeve and waterproof treatment, and after the shielding net is treated, the outside is subjected to thermal shrinkage treatment by matching a bifurcated film shrinkage sleeve and a thermal shrinkage sheath or matching treatment of a metal cross four-way pipe and a corrugated pipe so as to prevent moisture from entering; the whole weight is light by adopting the high and low temperature resistant light data communication cable.
Drawings
Fig. 1 is a schematic structural diagram of a branch cable according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a process for assembling a branch cable assembly for an adjacent space aircraft comprises the following steps:
step S1: selecting a corresponding high-low temperature resistant lightweight data communication cable and a connector;
step S2: the connector tail adopts a secondary glue filling process; performing secondary silica gel filling connection between the tail part of the connector and the cable;
step S3: the branch position is subjected to double-layer 360-degree shielding treatment in a transitional overlapping mode, and then the end of the branch bundle electromagnetic shielding net is subjected to bundling treatment by aramid fiber wires;
step S4: winding the semi-conductive cloth after the connector is shielded and pressed;
step S5: and opening mold shrink sleeves are adopted at the branch parts for thermal shrinkage and waterproof treatment.
In the step S1, a high/low temperature resistant lightweight data communication cable is used; the requirement of high-speed communication is met by adopting a silver-plated conductor, and compared with a common communication cable, the communication cable is lighter by 50% by adopting fluoropolymer insulation and a sheath, so that the requirement of light weight is met.
In the step S2, silica gel is poured for the second time, so that the waterproof and moistureproof effects are achieved, and the IP68 protection is met.
In the step S3, the branch is subjected to double-layer 360-degree shielding treatment in a transition lap joint manner, and then the ends of the branch bundle electromagnetic shielding nets are bundled by aramid fiber wires, so that no gap is left between the branch electromagnetic shielding nets and the main electromagnetic shielding nets, 360-degree shielding is guaranteed, and connection is reliable.
In the step S4, the semi-conductive cloth is wound after the connector is subjected to shielding crimping, and the semi-conductive cloth is wound after the shielding wire is subjected to shielding crimping to form a double-layer shielding, so that the shielding firmness and the shielding effect of the whole assembly are more effectively guaranteed.
In the step S5, the branch is heat-shrunk by an open mold shrink sleeve and is subjected to waterproof treatment, and after the shielding net treatment is completed, the outside is subjected to heat-shrinking treatment by matching a bifurcated mold shrink sleeve and a heat-shrinkable sheath or matching a metal cross four-way pipe and a corrugated pipe so as to prevent moisture from entering.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. A process for assembling a branch cable assembly for an adjacent space aircraft is characterized in that: the method comprises the following steps:
step S1: selecting a corresponding high-low temperature resistant lightweight data communication cable and a connector;
step S2: the connector tail adopts a secondary glue filling process; performing secondary silica gel filling connection between the tail part of the connector and the cable;
step S3: the branch position is subjected to double-layer 360-degree shielding treatment in a transitional overlapping mode, and then the end of the branch bundle electromagnetic shielding net is subjected to bundling treatment by aramid fiber wires;
step S4: winding the semi-conductive cloth after the connector is shielded and pressed;
step S5: and opening mold shrink sleeves are adopted at the branch parts for thermal shrinkage and waterproof treatment.
2. The process of assembling a drop cable assembly for an adjacent space aircraft as claimed in claim 1, wherein: in the step S1, a high/low temperature resistant lightweight data communication cable is used; the requirement of high-speed communication is met by adopting a silver-plated conductor, and compared with a common communication cable, the communication cable is lighter by 50% by adopting fluoropolymer insulation and a sheath, so that the requirement of light weight is met.
3. The process of assembling a drop cable assembly for an adjacent space aircraft as claimed in claim 1, wherein: in the step S2, silica gel is poured for the second time, so that the waterproof and moistureproof effects are achieved, and the IP68 protection is met.
4. The process of assembling a drop cable assembly for an adjacent space aircraft as claimed in claim 1, wherein: in the step S3, the branch is subjected to double-layer 360-degree shielding treatment in a transition lap joint manner, and then the ends of the branch bundle electromagnetic shielding nets are bundled by aramid fiber wires, so that no gap is left between the branch electromagnetic shielding nets and the main electromagnetic shielding nets, 360-degree shielding is guaranteed, and connection is reliable.
5. The process of assembling a drop cable assembly for an adjacent space aircraft as claimed in claim 1, wherein: in the step S4, the semi-conductive cloth is wound after the connector is subjected to shielding crimping, and the semi-conductive cloth is wound after the shielding wire is subjected to shielding crimping to form a double-layer shielding, so that the shielding firmness and the shielding effect of the whole assembly are more effectively guaranteed.
6. The process of assembling a drop cable assembly for an adjacent space aircraft as claimed in claim 1, wherein: in the step S5, the branch is heat-shrunk by an open mold shrink sleeve and is subjected to waterproof treatment, and after the shielding net treatment is completed, the outside is subjected to heat-shrinking treatment by matching a bifurcated mold shrink sleeve and a heat-shrinkable sheath or matching a metal cross four-way pipe and a corrugated pipe so as to prevent moisture from entering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610682.XA CN112769016A (en) | 2020-12-30 | 2020-12-30 | Assembly process of branch cable assembly for near space aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610682.XA CN112769016A (en) | 2020-12-30 | 2020-12-30 | Assembly process of branch cable assembly for near space aircraft |
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| Publication Number | Publication Date |
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| CN112769016A true CN112769016A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011610682.XA Pending CN112769016A (en) | 2020-12-30 | 2020-12-30 | Assembly process of branch cable assembly for near space aircraft |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982872A (en) * | 2011-09-07 | 2013-03-20 | 住友电装株式会社 | Connector-connecting terminal treatment structure for shielded wires and method of producing connector-connecting terminal treatment structure for shielded wires |
| CN204962132U (en) * | 2015-09-29 | 2016-01-13 | 江阴市东昊不锈钢管有限公司 | Multifunctional stainless steel tube connector |
| CN105304175A (en) * | 2015-11-18 | 2016-02-03 | 安徽宏源特种电缆集团有限公司 | Brach shielding processing structure of wire harness network of vehicle-mounted chassis and processing method |
| DE102015003061A1 (en) * | 2015-03-10 | 2016-09-15 | Sumitomo Wiring Systems, Ltd. | Shielded wiring, shielding member and method of making shielded wiring |
| CN110517810A (en) * | 2019-07-15 | 2019-11-29 | 北京航天发射技术研究所 | A kind of the special purpose vehicle chassis harness and its manufacture craft of permanent protective property energy |
| CN111509525A (en) * | 2020-04-20 | 2020-08-07 | 沈阳兴华航空电器有限责任公司 | Filling and sealing method for improving filling and sealing assembly reliability of armored cable connector |
-
2020
- 2020-12-30 CN CN202011610682.XA patent/CN112769016A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982872A (en) * | 2011-09-07 | 2013-03-20 | 住友电装株式会社 | Connector-connecting terminal treatment structure for shielded wires and method of producing connector-connecting terminal treatment structure for shielded wires |
| DE102015003061A1 (en) * | 2015-03-10 | 2016-09-15 | Sumitomo Wiring Systems, Ltd. | Shielded wiring, shielding member and method of making shielded wiring |
| CN204962132U (en) * | 2015-09-29 | 2016-01-13 | 江阴市东昊不锈钢管有限公司 | Multifunctional stainless steel tube connector |
| CN105304175A (en) * | 2015-11-18 | 2016-02-03 | 安徽宏源特种电缆集团有限公司 | Brach shielding processing structure of wire harness network of vehicle-mounted chassis and processing method |
| CN110517810A (en) * | 2019-07-15 | 2019-11-29 | 北京航天发射技术研究所 | A kind of the special purpose vehicle chassis harness and its manufacture craft of permanent protective property energy |
| CN111509525A (en) * | 2020-04-20 | 2020-08-07 | 沈阳兴华航空电器有限责任公司 | Filling and sealing method for improving filling and sealing assembly reliability of armored cable connector |
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Application publication date: 20210507 |
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| RJ01 | Rejection of invention patent application after publication |