CN107317206B - A kind of aerospace high-speed cable assemblies attachment method - Google Patents
A kind of aerospace high-speed cable assemblies attachment method Download PDFInfo
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- CN107317206B CN107317206B CN201710382636.0A CN201710382636A CN107317206B CN 107317206 B CN107317206 B CN 107317206B CN 201710382636 A CN201710382636 A CN 201710382636A CN 107317206 B CN107317206 B CN 107317206B
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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
- H01R43/048—Crimping apparatus or processes
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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
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- Manufacturing & Machinery (AREA)
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Abstract
The invention discloses a kind of aerospace high-speed cable assemblies attachment methods, include the following steps: the structure size according to aerospace gigabit star quad stranding data conductor and insulation module, process shielding braid casing；It is mounted in insulation module after conducting wire is crimped with contact；Conducting wire and insulation module are mounted in shielding braid casing；By conductor shielding braiding layer and ground line riveting on shielding braid casing；The installation of shielding braid casing in the housing, then by ground line is crimped in ground slot；After conducting wire is packed into electric connector, solidification is potted using casting glue.By conducting wire riveting in shielding braid casing one end, the other end is sleeved on insulation module and installs in the housing the present invention, and it is larger to solve the problems, such as that tradition dress connection mode shields discontinuous and crosstalk；By casting glue cured barrier braided sleeving and electric connector, reach CA cable assembly insulation effect most preferably and met the requirement of aerospace environmental applications, compensates for the defect that tradition dress connection mode transmission rate is low and stability is poor.
Description
Technical field
The present invention relates to a kind of aerospace high-speed cable assemblies attachment methods, are particularly suitable for TLK2711 type high speed cable group
Part belongs to aerospace high speed cable interconnection technique field.
Background technique
Aerospace CA cable assembly is the important component of spacecraft, in recent years, spaceborne electronic device quantity and day
All to increase, the electric connector of high integration is also to emerge one after another, and aerospace CA cable assembly prolonged application impacts in the big temperature difference, is high-strength
It spends in the environment of irradiation, just more stringent requirements are proposed for the attaching to aerospace CA cable assembly and its vacuum encapsulation effect for this.
With the continuous promotion of satellite data capacity and information processing rate, the biography of used data cable component
Defeated rate requirement is higher and higher, and the stability requirement of transmission performance is more and more harsh.In the attaching of routine data CA cable assembly
In the process, the transmission performance quality problems as caused by the needle of signal wire center are more and more prominent.
The dress connection mode that conventional gigabit star quad stranding data conductor is connected using CAT6 gauge wire with RJ-45 electric connector,
The shortcomings that this dress connection mode is that shielding is discontinuous or continuity is easy to loosen, and electric connector shielding protection is not comprehensive, anti-interference
Ability is poor, does not meet the high requirement of the Flouride-resistani acid phesphatase of aerospace environment and spacecraft, anti-interference grade.
The bonding of existing aerospace shielded cable generallys use and draws a conducting wire outside rectangular electric connector and be electrically connected
Connect the connected dress connection mode of device shell, the defect of this dress connection mode be in high frequency signal transmission, conducting wire and electric connector
Junction can generate severe signal crosstalk.
Summary of the invention
Technology of the invention solves the problems, such as: overcome the deficiencies in the prior art, and the present invention provides a kind of aerospace high speed electricity
Cable assembly attachment method, by by aerospace gigabit star quad stranding data conductor riveting in shielding braid casing one end, by shielding braid set
The pipe other end is sleeved on electric connector insulation module and is mounted in electric connector housing, realizes shielding continuously and reduces
It is larger to solve the problems, such as that tradition dress connection mode shields discontinuous and crosstalk for crosstalk；Pass through casting glue cured barrier braided sleeving
And electric connector, reach CA cable assembly insulation effect most preferably and met aerospace machinery and thermal environment application requirement, compensates for biography
The bulk cargo connection defect that mode transmission rate is low and stability is poor.
The technical solution of the invention is as follows:
A kind of aerospace high-speed cable assemblies attachment method, includes the following steps:
Step 1: according to the structure ruler of the structure size of aerospace gigabit star quad stranding data conductor and electric connector insulation module
It is very little, process shielding braid casing；
Step 2: aerospace gigabit star quad stranding data conductor is crimped with contact, then the contact after crimping is mounted on electricity
In connector insulation module；
Step 3: aerospace gigabit star quad stranding data conductor and electric connector insulation module are mounted in shielding braid casing；
Step 4: by aerospace gigabit star quad stranding data conductor screening braid and ground line riveting on shielding braid casing；
Step 5: the shielding braid casing after riveting is mounted in metal housing of electric connector, then wire crimp will be grounded
In electric connector ground slot；
Step 6: after aerospace gigabit star quad stranding data conductor is packed into electric connector, solidification is potted using casting glue.
In a kind of above-mentioned aerospace high-speed cable assemblies attachment method, in the step 1, shielding braid casing is by thickness
Degree is the copper foil punch forming of 0.1mm, and shielding braid casing one end is circle interface, and the minimum diameter of circle interface is than aerospace thousand
Big 0.5~the 1mm of outer diameter of million star quad stranding data conductors, the shielding braid casing other end are square interface, and square interface is most
Big 0.1~the 0.2mm of side length of small side ratio electric connector insulation module.
In a kind of above-mentioned aerospace high-speed cable assemblies attachment method, in the step 2, to aerospace gigabit star quad stranding number
End processing is carried out according to conducting wire, turns down aerospace gigabit star quad stranding data conductor screening braid, using Press Plier by aerospace gigabit star
Hank number is crimped according to conducting wire core wire with contact.
In a kind of above-mentioned aerospace high-speed cable assemblies attachment method, in the step 3, shielding braid casing one end
Inner wall is fitted closely with electric connector insulation module.
In a kind of above-mentioned aerospace high-speed cable assemblies attachment method, in the step 4, riveter or riveting are utilized
Pincers are by aerospace gigabit star quad stranding data conductor screening braid and are grounded riveting in shielding braid casing one end, for sharing aerospace
The stress that gigabit star quad stranding data conductor and contact are born.
It, will ground connection using punching press pincers in the step 5 in a kind of above-mentioned aerospace high-speed cable assemblies attachment method
Line is pressed into electric connector ground slot, and ground line and shielding braid casing are electrically connected with metal housing of electric connector.
In a kind of above-mentioned aerospace high-speed cable assemblies attachment method, in the step 6, casting glue is normal temperature cure
Epoxy glue, casting glue include matrix and curing agent；The model STYCAST2651MM of casting glue, the model of curing agent
The weight ratio of CATALYST9, casting glue and curing agent is 100:7, after matrix and curing agent are mixed evenly in one direction,
Deaeration under conditions of vacuum degree is less than 3.4KPa, inclined heated plate are no more than 20 minutes.
In a kind of above-mentioned aerospace high-speed cable assemblies attachment method, in the step 6, using syringe by encapsulating
Glue is steadily slowly injected into from electric connector line outlet, stops injection after reaching the marginal position of line outlet, and will with dehydrated alcohol
Residue glue other than aerospace gigabit star quad stranding data conductor and electric connector encapsulation cavity is cleaned out, after encapsulating by electric connector into
Row normal temperature cure 16~24 hours, the shore hardness D range after encapsulating adhesive curing was 80~100, operating temperature range is -55~
+ 125 DEG C, under vacuum condition total mass loss TML less than 1.0%, can to coagulate volatile matter CVCM not small less than 0.1%, tensile strength
In 45MPa.
It further include step 7, to by being electrically connected after encapsulating in a kind of above-mentioned aerospace high-speed cable assemblies attachment method
The contact for connecing device connects the cable to be formed and carries out electric performance test:
If the conducting resistance between the shielding of the electric connector of connection, between contact is not more than 3 Ω, CA cable assembly shielding is outer
The insulation resistance of shell and aerospace gigabit star quad stranding data conductor signaling point is not less than 200M Ω under the conditions of 250V, Difference signal pair it
Between crosstalk under the conditions of 1.5GHz less than 10%, impedance value fluctuation range then fills joint lattice less than 15%；
If the conducting resistance between the shielding of the electric connector of connection, between contact is greater than 3 Ω, CA cable assembly shields shell
It is less than 200M Ω under the conditions of 250V with the insulation resistance of aerospace gigabit star quad stranding data conductor signaling point, is gone here and there between Difference signal pair
It disturbs not less than 10% under the conditions of 1.5GHz, impedance value fluctuation range is not less than 15%, then replaces electric connector and re-start dress
Connection.
In a kind of above-mentioned aerospace high-speed cable assemblies attachment method, the step 7 tests the case where filling joint lattice
Under, further include step 8, vibration and thermal cycling test, vibration are carried out to the cable that the contact by the electric connector after dress connection is formed
It is checked with being seen in vitro after the completion of thermal cycling test to the encapsulating of electric connector, and the electrical property of cable is surveyed again
Examination.
Compared with the prior art, the invention has the advantages that:
[1] method that the present invention uses riveting shielded tube connecting wire screening braid and square type electric connector, overcomes
There are the problems such as shielding is discontinuous or shielding loosens in conventional gigabit star quad stranding data conductor and RJ-45 electric connector, solve space
The bonding processing mode of boat square type differential electrical connector has that crosstalk is larger, has reached spacecraft cable system
Flouride-resistani acid phesphatase, jamproof requirement realize shielding and continuously join with electromagnetic protection, the dress for improving traditional aerospace cable shield processing
Method improves the reliability of aerospace high-speed cable assemblies.
[2] shielding braid casing one end of the invention be circle, be convenient for connecting wire braiding layer, shielding braid casing it is another
One end is square, and convenient for connecting the metal shell of electric connector, is improved the assembly efficiency of staff, is simplified aerospace height
The attaching process of fast cable.
[3] present invention carries out riveting by riveter or riveting pincers, being capable of quickly and effectively connecting wire braiding layer and screen
Braided sleeving is covered, so that the shielding continuity of electric connector meets design requirement, and vacuum is carried out to casting glue before encapsulating
Bubble removing can more efficiently remove the bubble in casting glue, so that the insulating properties of electric connector meets design requirement.
[4] logic smoothness of the present invention, clear thinking, design rationally, step simplify, those skilled in the art are according to the present invention
The step of tested, can fast and accurately attaching aerospace high-speed cable assemblies, reduce loss, saved the time, have
Wide market application prospect.
[5] aerospace gigabit star quad stranding data conductor, contact and ground line of the invention are conventional hardware, standard is reliable,
Convenient for disassembly and assembly, flexible choice significantly reduces the life of aerospace high-speed cable assemblies without special and easy to repair and replacement
Cost is produced, is conducive to technical staff and improves raising.
Detailed description of the invention
Fig. 1 is flow chart of the invention
Fig. 2 is the structure chart of aerospace gigabit star quad stranding data conductor
Fig. 3 is the structure chart of micro- square type differential electrical connector
Fig. 4 is structure chart of the invention
Fig. 5 is thermal cycling test temperature profile of the present invention
Wherein: 1 aerospace gigabit star quad stranding data conductor；2 electric connectors；3 shielding braid casings；4 contacts；5 ground lines；6
Casting glue；601 matrixes；602 curing agent；
Specific embodiment
For make technical solution of the present invention more be illustrated, with reference to the accompanying drawing explanation and specific embodiment to the present invention make into
The description of one step:
As shown in figures 1-4, a kind of aerospace high-speed cable assemblies attachment method, includes the following steps:
Step 1: according to the structure ruler of 2 insulation module of structure size and electric connector of aerospace gigabit star quad stranding data conductor 1
It is very little, process shielding braid casing 3；
Step 2: aerospace gigabit star quad stranding data conductor 1 is crimped with contact 4, then the contact 4 after crimping is mounted on
In 2 insulation module of electric connector；
Step 3: aerospace gigabit star quad stranding data conductor 1 and 2 insulation module of electric connector are mounted on shielding braid casing 3
In；
Step 4: by 1 screening braid of aerospace gigabit star quad stranding data conductor and 5 rivetings of ground line in shielding braid casing 3
On；
Step 5: the shielding braid casing 3 after riveting is mounted in 2 metal shell of electric connector, then will 5 pressure of ground line
It connects in 2 ground slot of electric connector；
Step 6: it after aerospace gigabit star quad stranding data conductor 1 is packed into electric connector 2, is potted using casting glue 6 solid
Change.
Preferably, in step 1, shielding braid casing 3 is by the copper foil punch forming with a thickness of 0.1mm, shielding braid casing
3 one end are circle interface, and the minimum diameter of circle interface is 0.5~1mm bigger than the outer diameter of aerospace gigabit star quad stranding data conductor 1, screen
It covers 3 other end of braided sleeving and is square interface, the side length of minimum 2 insulation module of side ratio electric connector of square interface is big
0.1~0.2mm.
Preferably, in step 2, end processing is carried out to aerospace gigabit star quad stranding data conductor 1, turns down aerospace gigabit star quad stranding
1 screening braid of data conductor is crimped 1 core wire of aerospace gigabit star quad stranding data conductor with contact 4 using Press Plier.
Preferably, in step 3,3 one end inner wall of shielding braid casing is fitted closely with 2 insulation module of electric connector.
Preferably, in step 4, using riveter or riveting pincers by 1 screening braid of aerospace gigabit star quad stranding data conductor and
5 rivetings are grounded in 3 one end of shielding braid casing, for sharing aerospace gigabit star quad stranding data conductor 1 and what contact 4 was born answers
Power, it is ensured that the CA cable assembly after assembling is in complicated aerospace environment, and 1 core wire of aerospace gigabit star quad stranding data conductor and contact 4 are not
Easy fracture, reduction are reprocessed, so that product quality is effectively improved, in addition, the method for riveting shielding braid casing 3 is compared to routine
Kinking and the shielding processing method for welding silver-plated light, it is simpler, convenient for operation, save working time.
Preferably, the cross section of shielded tube 2 is hexagon after riveting.
Preferably, in step 5, ground line 5 is pressed into 2 ground slot of electric connector using punching press pincers, ground line 5 and screen
It covers braided sleeving 3 to be electrically connected with 2 metal shell of electric connector, this shielding processing of body contact twice mode is compared to routine
One time body contact shielding processing mode is safer, more reliable and more stable in aerospace mechanical environment, uses in an electric connector 2
Multiple shielding braid casings 3 can preferably protect signal interference-free, and signal cross-talk is small, and the irradiation behaviour of resistance to aerospace is strong.
Preferably, in step 6, casting glue 6 is normal-temperature curing epoxy glue, and casting glue 6 includes matrix 601 and curing agent
602；The model STYCAST2651MM of casting glue 6, the model CATALYST9 of curing agent 602, casting glue 6 and curing agent
602 weight ratio be 100:7, will after 6 each component of casting glue according to the ratio precise be packed into container in, with glass bar by glue with
Certain speed is stirred along direction clockwise or counterclockwise, avoids air from being mixed into glue as far as possible, small in vacuum degree
The deaeration under conditions of 3.4KPa, until glue bubble-free escapes, inclined heated plate is no more than 20 minutes.
Preferably, in step 6, casting glue 6 is steadily slowly injected into from 2 line outlet of electric connector using syringe, as far as possible
It avoids generating or squeezing into bubble, leaves the time for the automatic exclusion of bubble, stop injection after reaching the marginal position of line outlet, and
The residue glue other than aerospace gigabit star quad stranding data conductor 1 and 2 encapsulation cavity of electric connector is cleaned out with dehydrated alcohol, encapsulating finishes
Electric connector 2 is placed according to predetermined position and direction afterwards, uncured glue is avoided to flow backwards, then carry out normal temperature cure 16~
It 24 hours, can also be heating and curing, 45 DEG C of times that are heating and curing are 4~6 hours, and 65 DEG C of times that are heating and curing are 1~2 small
When.Shore hardness D range after casting glue 6 solidifies is 80~100, and operating temperature range is -55~+125 DEG C, under vacuum condition
Total mass loss TML less than 1.0%, volatile matter CVCM can be coagulated less than 0.1%, tensile strength not less than 45MPa.
Preferably, further include step 7, the cable formed is connected to the contact by the electric connector 2 after encapsulating and is carried out electrically
It can test:
If the conducting resistance between the shielding of the electric connector 2 of connection, between contact is not more than 3 Ω, CA cable assembly shielding
The insulation resistance of shell and 1 signaling point of aerospace gigabit star quad stranding data conductor is not less than 200M Ω, differential signal under the conditions of 250V
Less than 10% under the conditions of 1.5GHz, impedance value fluctuation range then fills joint lattice less than 15% for crosstalk between；
If the conducting resistance between the shielding of the electric connector of connection, between contact is greater than 3 Ω, CA cable assembly shields shell
It is less than 200M Ω under the conditions of 250V with the insulation resistance of 1 signaling point of aerospace gigabit star quad stranding data conductor, between Difference signal pair
Crosstalk is not less than 10% under the conditions of 1.5GHz, and impedance value fluctuation range is not less than 15%, then replaces electric connector 2 and re-start
Dress connection.
When actual test, electric performance test is carried out according to following technical requirements for testpieces:
The first, checking is carried out to cable, contact conducting resistance should be less than 1 Ω.
The second, in Insulation Resistance Tester measurement same cable mutually between disjunct contact, these contacts and all
Between plug-in unit shell associated therewith and they shielding contact between insulation resistance whether meet index request, just
Under normal environmental condition, insulation resistance should meet the requirement of 250V/200M Ω.
Third, with vector network analyzer to crossfire value is tested between each group signal in cable.
Test result: qualified.
It preferably, further include step 8, to by the electric connector 2 after dress connection in the case where step 7 test dress joint lattice
The cable that is formed of contact carry out vibration test and thermal cycling test, to electric connector after the completion of vibration test and thermal cycling test
2 encapsulating is seen checked in vitro, and is tested again the electrical property of cable.
Sine vibration test:
10~200Hz of frequency range, acceleration: 147m/s2 (15g), in three mutually perpendicular directions, to each side
To retest 2 times, sweep speed 2oct/min.
Table 1
Random experiment is carried out in three mutually perpendicular directions, each random experiment time is 2min.
Impact test:
Table 2
As shown in figure 5, every group of test carries out 6.5 circulations altogether in thermal cycling test ,+125~-65 DEG C are a circulation.
When actual test, appearance, electrical property inspection are carried out to the testpieces for completing environmental test, as a result as follows:
Well-tended appearance and electric performance test result qualification.
The experiment results proved present invention can effectively ensure shielding protection, and ground connection property is good, and crosstalk is small, anti-interference ability
By force.
The present invention can be applied to micro- square type or micro- round differential electrical connector and the dress of shielding difference cable joins.
The content being not described in detail in description of the invention is known to the skilled person technology.
Claims (9)
1. a kind of aerospace high-speed cable assemblies attachment method, characterized by the following steps:
Step 1: according to the structure ruler of the structure size of aerospace gigabit star quad stranding data conductor (1) and electric connector (2) insulation module
It is very little, it processes shielding braid casing (3)；
Step 2: aerospace gigabit star quad stranding data conductor (1) is crimped with contact (4), then the contact (4) after crimping is installed
In electric connector (2) insulation module；
Step 3: aerospace gigabit star quad stranding data conductor (1) and electric connector (2) insulation module are mounted on shielding braid casing
(3) in；
Step 4: by aerospace gigabit star quad stranding data conductor (1) screening braid and ground line (5) riveting in shielding braid casing
(3) on；
Step 5: the shielding braid casing (3) after riveting is mounted in electric connector (2) metal shell, then will be grounded (5)
It is crimped in electric connector (2) ground slot；
Step 6: it after aerospace gigabit star quad stranding data conductor (1) is packed into electric connector (2), is potted using casting glue (6) solid
Change；
In the step 1, shielding braid casing (3) is by the copper foil punch forming with a thickness of 0.1mm, shielding braid casing (3) one
End is circle interface, and the minimum diameter of circle interface is 0.5~1mm bigger than the outer diameter of aerospace gigabit star quad stranding data conductor (1), shielding
Braided sleeving (3) other end is square interface, the side length of minimum side ratio electric connector (2) insulation module of square interface
Big 0.1~0.2mm.
2. a kind of aerospace high-speed cable assemblies attachment method according to claim 1, it is characterised in that: the step 2
In, end processing is carried out to aerospace gigabit star quad stranding data conductor (1), turns down aerospace gigabit star quad stranding data conductor (1) shielding braid
Layer, is crimped aerospace gigabit star quad stranding data conductor (1) core wire with contact (4) using Press Plier.
3. a kind of aerospace high-speed cable assemblies attachment method according to claim 1, it is characterised in that: the step 3
In, shielding braid casing (3) one end inner wall is fitted closely with electric connector (2) insulation module.
4. a kind of aerospace high-speed cable assemblies attachment method according to claim 1, it is characterised in that: the step 4
In, aerospace gigabit star quad stranding data conductor (1) screening braid and ground line (5) riveting are being shielded using riveter or riveting pincers
Braided sleeving (3) one end, for sharing the stress of aerospace gigabit star quad stranding data conductor (1) and contact (4) receiving.
5. a kind of aerospace high-speed cable assemblies attachment method according to claim 1, it is characterised in that: the step 5
In, ground line (5) is pressed into electric connector (2) ground slot using punching press pincers, (5) is grounded and shielding braid casing (3) is equal
It is electrically connected with electric connector (2) metal shell.
6. a kind of aerospace high-speed cable assemblies attachment method according to claim 1, it is characterised in that: the step 6
In, casting glue (6) is normal-temperature curing epoxy glue, and casting glue (6) includes matrix and curing agent；The model of casting glue (6)
STYCAST2651MM, the model CATALYST9 of curing agent, the weight ratio of casting glue (6) and curing agent are 100:7, matrix and
After curing agent is mixed evenly in one direction, deaeration under conditions of vacuum degree is less than 3.4KPa, inclined heated plate is no more than
20 minutes.
7. a kind of aerospace high-speed cable assemblies attachment method according to claim 1, it is characterised in that: the step 6
In, casting glue (6) is steadily slowly injected into from electric connector (2) line outlet using syringe, reaches the marginal position of line outlet
Stop injection afterwards, and with dehydrated alcohol by the residue glue other than aerospace gigabit star quad stranding data conductor (1) and electric connector (2) encapsulation cavity
Clean out, after encapsulating by electric connector (2) carry out normal temperature cure 16~24 hours, casting glue (6) solidify after shore
Hardness D range is 80~100, and operating temperature range is -55~+125 DEG C, and total mass loss TML is less than under vacuum condition
1.0%, volatile matter CVCM can be coagulated less than 0.1%, tensile strength not less than 45MPa.
8. a kind of aerospace high-speed cable assemblies attachment method according to claim 1, it is characterised in that: further include step
Seven, the cable formed is connected to the contact by the electric connector (2) after encapsulating carries out electric performance test:
If the conducting resistance between the shielding of the electric connector (2) of connection, between contact is not more than 3 Ω, CA cable assembly shielding is outer
The insulation resistance of shell and aerospace gigabit star quad stranding data conductor (1) signaling point is not less than 200M Ω, differential signal under the conditions of 250V
Less than 10% under the conditions of 1.5GHz, impedance value fluctuation range then fills joint lattice less than 15% for crosstalk between；
If the conducting resistance between the shielding of the electric connector of connection, between contact is greater than 3 Ω, CA cable assembly shields shell and space
The insulation resistance of boat gigabit star quad stranding data conductor (1) signaling point is less than 200M Ω under the conditions of 250V, goes here and there between Difference signal pair
It disturbs not less than 10% under the conditions of 1.5GHz, impedance value fluctuation range is not less than 15%, then replaces electric connector (2) and re-start
Dress connection.
9. a kind of aerospace high-speed cable assemblies attachment method according to claim 8, it is characterised in that: the step 7 is surveyed
It further include step 8 in the case that lattice are combined in trial assembly, the cable formed to the contact by the electric connector (2) after dress connection shakes
Dynamic and thermal cycling test is seen the encapsulating of electric connector (2) in vitro after the completion of vibration and thermal cycling test and is checked, and to electricity
The electrical property of cable is tested again.
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| CN112563841B (en) * | 2020-11-11 | 2022-06-28 | 中国航天时代电子有限公司 | 6.25Gbps coaxial structure differential data cable assembly for aerospace |
| CN112490813B (en) * | 2020-11-24 | 2024-05-28 | 成都圣世达科技有限公司 | Preparation method of TCC (TCC) group mode filter electric connector and TCC group mode filter electric connector |
| CN113346300A (en) * | 2021-04-29 | 2021-09-03 | 北京卫星制造厂有限公司 | Aerospace cable assembly protection device and preparation method thereof |
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| US9065205B2 (en) * | 2011-08-11 | 2015-06-23 | Apple Inc. | Connector insert having a cable crimp portion with protrusions and a receptacle having label in the front |
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|---|---|---|---|---|
| CN106169677A (en) * | 2015-05-20 | 2016-11-30 | 德尔福技术有限公司 | Shielded cable assembly |
| CN105261913A (en) * | 2015-10-30 | 2016-01-20 | 北京卫星制造厂 | Tail-cover-free embedding process of electric connector and testing method |
| CN205452624U (en) * | 2016-01-08 | 2016-08-10 | 沈阳兴华航空电器有限责任公司 | Rectangular electric connector plug |
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