CN207602285U - Resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus - Google Patents
Resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus Download PDFInfo
- Publication number
- CN207602285U CN207602285U CN201721631901.6U CN201721631901U CN207602285U CN 207602285 U CN207602285 U CN 207602285U CN 201721631901 U CN201721631901 U CN 201721631901U CN 207602285 U CN207602285 U CN 207602285U
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- Prior art keywords
- data transfer
- speed data
- high speed
- resistance
- silver
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Abstract
A kind of resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus, it is that insulation uses lapping structure, sheath, which uses, squeezes out the star stranded high speed data transfer CAN bus of structure and conducting wire for diagonal composite structure, including the identical insulated conductor of 4 structures diagonally set, it is coated on the silver-coated copper wire woven shield of the individual layer optimization braiding structure outside the identical insulated conductor of 4 structures diagonally set, the perfluoroethylene-propylene restrictive coating being coated on outside silver-coated copper wire woven shield, insulated conductor is made of silver-plated copper conductor wire core and the composite insulation layer outside silver-plated copper conductor wire core, composite insulation layer is by polytetrafluoroethylene film and the Kapton wrapped composite insulation layer formed successively from the inside to the outside.The utility model improves the whole temperature resistant grade of cable while ensure that high impedance, and the complex dielectric constant of cable is small, small, light weight, and attenuation constant is small, meets the needs of the related fields such as space flight and aviation.
Description
Technical field
The utility model is related to a kind of CAN Bus of Data Transmission.Wrapped shape is used more particularly to a kind of high temperature resistant, insulation
Resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus that formula, sheath are used using extrusion form, diagonal conductor combination.
Background technology
The CAN Bus of Data Transmission product applied in aerospace and computer realm at present, relies on import mostly.It should
The application of product can realize a line multi signal high-speed transfer by the difference of transmitting (reception) frequency.
Conducting wire and blank pipe is used to fill star quad stranding composite structure generally, due to it, wire insulation is extrusion form, to ensure height
Characteristic impedance (120 Ω), insulation thickness increase leads to conductive line bends poor performance, stiff not soft, is brought centainly for follow-up Denso
Difficulty.And every cable only has a pair of of signal transmssion line, when needing backup, can only realize two point two-wire by increasing cable radical
Requirement, therefore increase the occupied space and weight of bus.Under conditions of specific high characteristic impedance (120 Ω), also
There is the problems such as complex dielectric constant is big, attenuation constant is big, volume is big, quality weight.
Invention content
Technical problem to be solved in the utility model be to provide a kind of high impedance (120 Ω), complex dielectric constant it is small,
Attenuation constant is small, small, light weight, moderate cost, softness, the low attenuation of two point two-wire high impedance resistance to 260 DEG C of high temperature star quad strandings
Type high speed data transfer CAN bus.
Technical solution is used by the utility model：A kind of resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN is total
Line is the star stranded high speed number that insulation uses lapping structure, sheath to use extrusion structure and conducting wire as diagonal composite structure
According to transmission CAN bus, the identical insulated conductor of 4 structures including diagonally setting is coated on 4 structures diagonally set
The silver-coated copper wire woven shield of individual layer optimization braiding structure outside identical insulated conductor, is coated on the silver-coated copper wire and compiles
The perfluoroethylene-propylene restrictive coating outside shielded layer is knitted, the insulated conductor is by silver-plated copper conductor wire core and around silver-plated copper
Composite insulation layer outside conductor wire core is formed, and the composite insulation layer is by polytetrafluoroethylene film and Kapton
The composite insulation layer of wrapped composition successively from the inside to the outside.
The nominal area of section of the silver-plated copper conductor wire core is 0.2mm2, the outer diameter of the composite insulation layer for 1.5~
1.65mm。
Outer diameter≤5mm of the perfluoroethylene-propylene restrictive coating.
The characteristic impedance of cable is 120 ± 10 Ω.
Mutual capacitance≤5nF/100m of cable.
In 1MHz, attenuation constant≤2.2dB/100m of cable.
In 1MHz, near-end crosstalk attenuation >=40dB of cable.
In 1MHz, structural return loss >=35dB of cable.
Resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus of the utility model, ensure that high impedance (120
While Ω), the whole temperature resistant grade of cable is improved, under the requirement for requiring two point Double wire transmission, the comprehensive of cable is made to be situated between
Electric constant is small, small, light weight, and attenuation constant is small, and extrusion type sheath improves the mechanical and physical performance of product, has soft
Soft, the low attenuating high-speed data transmission of two point two-wire high impedance meets the needs of the related fields such as space flight and aviation.
Description of the drawings
Fig. 1 is the structure diagram of the resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus of the utility model.
In figure
1：Insulated conductor 11：Silver-plated copper conductor wire core
12：Composite insulation layer 2：Silver-coated copper wire woven shield
3：Perfluoroethylene-propylene restrictive coating
Specific embodiment
It is total to resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN of the utility model with reference to embodiment and attached drawing
Line is described in detail.
It sends out shown in Fig. 1, resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus of the utility model, is that insulation uses
Lapping structure, sheath, which use, squeezes out the star stranded high speed data transfer CAN bus of structure and conducting wire for diagonal composite structure,
Including the identical insulated conductor 1 of 4 structures diagonally set, it is coated on the 4 identical insulation of structure diagonally set and leads
The silver-coated copper wire woven shield 2 of individual layer optimization braiding structure outside line 1, is coated on the silver-coated copper wire woven shield 2
External perfluoroethylene-propylene restrictive coating 3, the insulated conductor 1 are by silver-plated copper conductor wire core 11 and around silver-plated copper conduction
Composite insulation layer 12 outside core 11 is formed.The identical insulated conductor 1 of 4 structures is by using the compound exhausted of different colours
Edge layer 12 and distinguish.
The composite insulation layer 12 is from the inside to the outside successively around package by polytetrafluoroethylene film and Kapton
Into composite insulation layer.The nominal area of section of the silver-plated copper conductor wire core 11 is 0.2mm2, the composite insulation layer 12 it is outer
Diameter is 1.5~1.65mm.Outer diameter≤5mm of the perfluoroethylene-propylene restrictive coating 3.
The characteristic impedance of resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus of the utility model is 120 ± 10
Ω；Mutual capacitance≤5nF/100m；In 1MHz, attenuation constant≤2.2dB/100m of cable；In 1MHz, the proximal end of cable
Crosstalk attenuation >=40dB；In 1MHz, structural return loss >=35dB of cable.
The main performance such as following table of resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus of the utility model：
Claims (8)
1. a kind of resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus, which is characterized in that be insulation using lapping structure,
Sheath, which uses, squeezes out the star stranded high speed data transfer CAN bus of structure and conducting wire for diagonal composite structure, including diagonal
The identical insulated conductor (1) of 4 structures of setting, is coated on the identical insulated conductor (1) of 4 structures diagonally set outside
The silver-coated copper wire woven shield (2) of the individual layer optimization braiding structure in portion, is coated on the silver-coated copper wire woven shield (2) outside
The perfluoroethylene-propylene restrictive coating (3) in portion, the insulated conductor (1) are by silver-plated copper conductor wire core (11) and around silver-plated copper
The external composite insulation layer (12) of conductor wire core (11) is formed, the composite insulation layer (12) be by polytetrafluoroethylene film and
The Kapton composite insulation layer of wrapped composition successively from the inside to the outside.
2. resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus according to claim 1, which is characterized in that described
The nominal area of section of silver-plated copper conductor wire core (11) is 0.2mm2, the outer diameter of the composite insulation layer (12) is 1.5~1.65mm.
3. resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus according to claim 1, which is characterized in that described
Outer diameter≤5mm of perfluoroethylene-propylene restrictive coating (3).
4. resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus according to claim 1, which is characterized in that cable
Characteristic impedance be 120 ± 10 Ω.
5. resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus according to claim 1, which is characterized in that cable
Mutual capacitance≤5nF/100m.
6. resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus according to claim 1, which is characterized in that
During 1MHz, attenuation constant≤2.2dB/100m of cable.
7. resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus according to claim 1, which is characterized in that
During 1MHz, near-end crosstalk attenuation >=40dB of cable.
8. resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus according to claim 1, which is characterized in that
During 1MHz, structural return loss >=35dB of cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721631901.6U CN207602285U (en) | 2017-11-29 | 2017-11-29 | Resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721631901.6U CN207602285U (en) | 2017-11-29 | 2017-11-29 | Resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602285U true CN207602285U (en) | 2018-07-10 |
Family
ID=62762708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721631901.6U Expired - Fee Related CN207602285U (en) | 2017-11-29 | 2017-11-29 | Resistance to 260 DEG C of high temperature star stranded high speed data transfer CAN bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602285U (en) |
-
2017
- 2017-11-29 CN CN201721631901.6U patent/CN207602285U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20211129 |