CN117373742A - Communication shielding twisted pair for airborne early warning electronic radar - Google Patents
Communication shielding twisted pair for airborne early warning electronic radar Download PDFInfo
- Publication number
- CN117373742A CN117373742A CN202311421999.2A CN202311421999A CN117373742A CN 117373742 A CN117373742 A CN 117373742A CN 202311421999 A CN202311421999 A CN 202311421999A CN 117373742 A CN117373742 A CN 117373742A
- Authority
- CN
- China
- Prior art keywords
- communication
- twisted pair
- early warning
- warning electronic
- electronic radar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 38
- 238000004804 winding Methods 0.000 claims abstract description 23
- 238000002955 isolation Methods 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 21
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000620 organic polymer Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 230000017105 transposition Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000004038 photonic crystal Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010618 wire wrap Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/002—Pair constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/08—Screens specially adapted for reducing cross-talk
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Communication Cables (AREA)
Abstract
The invention relates to the technical field of communication cables, in particular to a communication shielding twisted pair for an airborne early warning electronic radar, which comprises an isolation positioning framework and two wire cores distributed along the axis direction of the isolation positioning framework in a surrounding way, wherein the two wire cores and the isolation positioning framework jointly form a communication conductor, an outer shielding layer is coated on the outer part of the communication conductor, an insulating layer is coated on the outer part of the outer shielding layer, a flame-retardant layer is coated on the outer part of the insulating layer, and a wear-resistant sheath is coated on the outer part of the flame-retardant layer. The invention provides a communication shielding twisted pair for an airborne early warning electronic radar, which is characterized in that two cable cores are twisted around an isolation positioning framework with a lateral winding clamping seat by arranging the isolation positioning framework, so that the two cable cores are twisted into a double twisted pair and are not contacted with each other, the conductors can generate heat to cause mutual influence, and different electromagnetic waves can also generate interference to a communication cable, so that the data transmission of the communication cable is unstable.
Description
Technical Field
The invention relates to the technical field of communication cables, in particular to a communication shielding twisted pair for an onboard early warning electronic radar.
Background
At present, the phenomenon that a cable core is short-circuited or broken due to extrusion or crushing of external force often occurs in the wiring process of the communication cable, and the communication cable has low mechanical strength and poor capability of resisting external signal interference.
Chinese patent CN201720710934.3 discloses a photonic crystal shielded data bus network cable for aviation, which consists of a cable core and a sheath wrapped outside the cable core, wherein the cable core comprises at least one pair of twisted pairs; the method is characterized in that: a photonic crystal shielding layer is further arranged between the cable core and the sheath in a spaced mode, the photonic crystal shielding layer comprises at least one layer of photonic crystal, and each layer of photonic crystal consists of an intermediate medium substrate and printed film circuits distributed on two sides. The cable discloses that 4 pairs of twisted pairs in the cable core are separated by arranging a cross in the cable core, so that the mechanical strength of the communication cable is improved.
However, in practical use, the twisted pair is usually formed by twisting two conductors, and when in operation, the conductors generate heat to cause mutual influence, and different electromagnetic waves can be generated to generate interference on the communication cable, so that data transmission of the communication cable is unstable.
Disclosure of Invention
In order to solve the technical problems, the invention provides a communication shielding twisted pair for an onboard early warning electronic radar.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
the communication shielding twisted pair for the airborne early warning electronic radar comprises an isolation positioning framework, two wire cores which are circumferentially twisted along the axis direction of the isolation positioning framework, wherein the two wire cores and the isolation positioning framework jointly form a communication conductor, an outer shielding layer is coated outside the communication conductor, an insulating layer is coated outside the outer shielding layer, a flame retardant layer is coated outside the insulating layer, and a wear-resistant sheath is coated outside the flame retardant layer.
Preferably, both wire cores comprise a cable core and an inner shielding layer coated outside the cable core.
Preferably, the isolation positioning framework is made of an organic polymer rubber plastic material with a wave absorber on the surface.
Preferably, the isolation positioning framework comprises a main framework distributed along the axis direction of the cable body, and two groups of lateral cloth winding clamping seats arranged at two same sides of the main framework, wherein each group of lateral cloth winding clamping seats comprises a plurality of lateral cloth winding clamping seats and is distributed along the axis direction of the cable body.
Preferably, the main framework and the lateral cloth winding clamping seat are of flat sheet structures.
Preferably, the lateral cloth winding clamping seat is slidably mounted on the same side end of the main framework.
Preferably, the lateral cloth winding clamping seat is provided with a clamping groove.
Preferably, the groove walls and the groove bottoms at the two sides of the clamping groove are subjected to rounding treatment.
Preferably, the inner shielding layer is formed by wrapping silver-plated copper alloy wires.
Preferably, the outer shielding layer is composed of nickel plated copper alloy wire wrap.
The beneficial effects of the invention are as follows:
the invention provides a communication shielding twisted pair for an airborne early warning electronic radar, which is characterized in that two cable cores are twisted around an isolation positioning framework with a lateral winding clamping seat by arranging the isolation positioning framework, so that the two cable cores are twisted into a double twisted pair and are not contacted with each other, the conductors can generate heat to cause mutual influence, and different electromagnetic waves can also generate interference to a communication cable, so that the data transmission of the communication cable is unstable.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of an axial structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the axial structure of the isolating and positioning skeleton of the present invention;
FIG. 4 is a schematic side view of the isolating and positioning skeleton of the present invention.
In the figure:
1. a cable core; 2. an inner shielding layer; 3. isolating and positioning the framework; 31. a main skeleton; 32. a lateral cloth winding clamping seat; 33. a clamping groove; 4. an outer shielding layer; 5. an insulating layer; 6. a flame retardant layer; 7. wear resistant sheath.
Detailed Description
In order that the manner in which the invention is attained, as well as the features and advantages thereof, will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.
As shown in fig. 1 and 2, the communication shielding twisted pair for the airborne early warning electronic radar mainly comprises two wire cores, an isolation positioning framework 3, an outer shielding layer 4, an insulating layer 5, a flame retardant layer 6 and a wear-resistant sheath 7.
The two wire cores are circumferentially stranded along the axis direction of the isolation positioning framework 3, the stranded wire cores and the isolation positioning framework 3 jointly form a communication conductor, and the outer shielding layer 4 is coated outside the communication conductor to play a role in shielding external interference signals; the insulating layer 5 is coated outside the outer shielding layer 4 and plays a role in insulation; the flame-retardant layer 6 is coated outside the insulating layer 5 and plays a role in flame retardance and fire prevention; the wear-resistant sheath 7 is coated outside the flame-retardant layer 6 and plays a role in protecting the internal structure of the cable.
As a further improvement of the present embodiment, both wire cores include a cable core 1, and an inner shielding layer 2 that is wrapped outside the cable core 1. The inner shielding layer 2 plays a role in shielding interference signals emitted between two wire cores.
As shown in fig. 3 and 4. As a further improvement of the embodiment, the isolating and positioning framework 3 is made of an organic polymer rubber plastic material with a wave absorber on the surface.
Further, the isolation positioning framework 3 comprises a main framework 31 distributed along the axis direction of the cable body, and two groups of lateral cloth winding clamping seats 32 arranged at two same sides of the main framework 31, wherein each group of lateral cloth winding clamping seats 32 comprises a plurality of lateral cloth winding clamping seats 32 and is distributed along the axis direction of the cable body. The main frame 31 and the lateral cloth winding clamping seat 32 are both in flat sheet structures.
The lateral cloth winding clamping seat 32 is slidably mounted on the same side end of the main framework 31, so that the distance between two adjacent lateral cloth winding clamping seats 32 can be adjusted, and the purpose of adjusting the twisting form of two wire cores is achieved.
As a further improvement of this embodiment, the lateral cloth winding clamping seat 32 is provided with a clamping groove 33, and the groove walls and the groove bottoms on both sides of the clamping groove 33 are rounded to avoid scraping the wire core epidermis.
As a further improvement of the present embodiment, the inner shielding layer 2 is composed of a silver-plated copper alloy wire wrapped.
As a further improvement of the present embodiment, the outer shielding layer 4 is composed of nickel-plated copper alloy wire wrap.
When the wire core shielding device is used, two wire cores are twisted around the lateral cloth winding clamping seats 32 distributed up and down on the isolation positioning framework 3, and when the wire core shielding device works, the inner shielding layers 2 are shielded from each other, and the isolation positioning framework 3 isolates heat generated by the two wire cores.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Communication shielding twisted pair for airborne early warning electronic radar, which is characterized in that: including keep apart location skeleton (3), follow keep apart two sinle silk of location skeleton (3) axis direction surrounding the transposition, two sinle silks with keep apart location skeleton (3) constitute the communication conductor jointly, the outside cladding of communication conductor has outer shielding layer (4), the outside cladding of outer shielding layer (4) has insulating layer (5), the outside cladding of insulating layer (5) has flame retardant coating (6), the outside cladding of flame retardant coating (6) has wear-resisting sheath (7).
2. The communication shielded twisted pair for an onboard early warning electronic radar of claim 1, wherein: both wire cores comprise a cable core (1) and an inner shielding layer (2) coated outside the cable core (1).
3. The communication shielded twisted pair for an onboard early warning electronic radar of claim 1, wherein: the isolation positioning framework (3) is made of an organic polymer rubber plastic material with a wave absorber on the surface.
4. The communication shielded twisted pair for an onboard early warning electronic radar of claim 1, wherein: the isolation positioning framework (3) comprises a main framework (31) distributed along the axis direction of the cable body, and two groups of lateral cloth winding clamping seats (32) arranged at two same sides of the main framework (31), wherein each group of lateral cloth winding clamping seats (32) comprises a plurality of lateral cloth winding clamping seats (32) and distributed along the axis direction of the cable body.
5. The communication shielded twisted pair for an onboard early warning electronic radar of claim 4, wherein: the main framework (31) and the lateral cloth winding clamping seat (32) are of flat sheet structures.
6. The communication shielded twisted pair for an onboard early warning electronic radar of claim 4, wherein: the lateral cloth winding clamping seat (32) is slidably arranged on the same side end of the main framework (31).
7. The communication shielded twisted pair for an onboard early warning electronic radar of claim 4, wherein: a clamping groove (33) is formed in the lateral cloth winding clamping seat (32).
8. The communication shielded twisted pair for an onboard early warning electronic radar of claim 7, wherein: both side groove walls and groove bottoms of the clamping groove (33) are subjected to rounding treatment.
9. The communication shielded twisted pair for an onboard early warning electronic radar of claim 2, wherein: the inner shielding layer (2) is formed by wrapping silver-plated copper alloy wires.
10. The communication shielded twisted pair for an onboard early warning electronic radar of claim 1, wherein: the outer shielding layer (4) is formed by wrapping nickel-plated copper alloy wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311421999.2A CN117373742A (en) | 2023-10-30 | 2023-10-30 | Communication shielding twisted pair for airborne early warning electronic radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311421999.2A CN117373742A (en) | 2023-10-30 | 2023-10-30 | Communication shielding twisted pair for airborne early warning electronic radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117373742A true CN117373742A (en) | 2024-01-09 |
Family
ID=89405616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311421999.2A Pending CN117373742A (en) | 2023-10-30 | 2023-10-30 | Communication shielding twisted pair for airborne early warning electronic radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117373742A (en) |
-
2023
- 2023-10-30 CN CN202311421999.2A patent/CN117373742A/en active Pending
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