CN208368192U - Shielded cable side by side - Google Patents
Shielded cable side by side Download PDFInfo
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- CN208368192U CN208368192U CN201820684728.4U CN201820684728U CN208368192U CN 208368192 U CN208368192 U CN 208368192U CN 201820684728 U CN201820684728 U CN 201820684728U CN 208368192 U CN208368192 U CN 208368192U
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Abstract
This application discloses a kind of shielded cables side by side, comprising: coaxial line and twisted pair, the coaxial line are fixedly connected with the twisted pair.Coaxial line and twisted pair are bonded together by technical solution provided by the present application, side by side cabling, so that whole line footpath is become smaller, weight saving.
Description
Technical field
The present disclosure relates generally to cable fields, particularly relate to a kind of Shielded Twisted Pair.
Background technique
Traditional CAN node or RS485 node need two twisted pairs to shield cabling when communicating, the power supply of node needs another
Add the parallel cabling of two cablings.Two pairs of twisted pairs are set i.e. in a shielding cavity, and in actual use, a pair of of twisted pair is made
For communication line, another pair twisted pair is as power supply line.Two pairs of twisted pairs are all walked in a shielding cavity, when power supply has fluctuation
When, the electromagnetic field around power supply line changes, and easily generates interference to communication line；And when external equipment has high-current supply to need
When asking, inner strands meeting overstriking, whole line footpath or very big, and also weight increases very much.
Utility model content
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of novel shielded cable side by side.
The utility model provides a kind of shielded cable side by side, coaxial line and twisted pair, the coaxial line and the twisted pair
It is fixedly connected.
Preferably, the coaxial line includes: coaxial inner core, the inner insulating layer for coating the coaxial inner core, coats in described
The external insulation layer of the coaxial outer core and cladding of the insulating layer coaxial outer core.
Preferably, the coaxial inner core is tin plating copper core；And/or
The coaxial outer core is tin plating copper core；And/or
The inner insulating layer is silicone insulation layer；And/or
The external insulation layer is silicone insulation layer.
Preferably, shielded cable further includes the shielded layer for coating the twisted pair and the outer guarantor for coating the shielded layer side by side
Sheath, the coaxial line are fixedly connected with the external protection being arranged on the outside of the twisted pair.
Preferably, the shielded layer includes the metal screen layer being arranged on the inside of the external protection, the metallic shield
Layer coats the twisted pair.
Preferably, the shielded layer further includes the braiding being arranged between the metal screen layer and the external protection
Layer.
Preferably, the braiding layer is tincopper fuse wire braided armor.
Preferably, the metal screen layer is aluminium foil layer.
Preferably, the twisted pair includes two twisted core wires, and the core wire includes tinned wird and the cladding plating
The polyvinyl fluoride sheath of tin copper wire；And/or
The external protection is heat plasticity polyurethane elastic rubber layer.
Preferably, the coaxial line is fixedly connected by adhesive with the external protection being arranged on the outside of the twisted pair；
Or,
The coaxial line is fixedly connected by dowel with the external protection being arranged on the outside of the twisted pair.
Coaxial line and twisted pair are bonded together by technical solution provided by the present application, side by side cabling, become whole line footpath
It is small, weight saving；The electromagnetic field that power supply cabling externally emits can be eliminated, the interference problem to communication line is solved.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of shielded cable side by side provided by the embodiment of the utility model.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.It further needs exist for illustrating
, part relevant to utility model is illustrated only for ease of description, in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, the utility model provides a kind of shielded cable side by side, comprising: coaxial line 1 and twisted pair 2, coaxially
Line 1 is fixedly connected with twisted pair 2.
Coaxial line 1 and twisted pair 2 connect into an entirety in the present embodiment, coaxial line 1 and twisted pair 2 cabling side by side, whole
Body line footpath is reduced, weight saving.The present embodiment replaces a pair in two pairs of twisted pairs that existing Shielded Twisted Pair is included
It is changed to coaxial line, the electromagnetic field that power supply line externally emits in actual use can be eliminated, solves the interference problem to communication line.
Further, coaxial line 1 includes: coaxial inner core 10, the inner insulating layer 11 of the coaxial inner core 10 of cladding, cladding interior insulation
The coaxial outer core 12 of layer 11 and the external insulation layer 13 for coating coaxial outer core 12.
For example, coaxial line 1 is used as power supply line, coaxial inner core 10 is positive pole, and coaxial outer core 12 is negative for power supply
Pole, inner insulating layer keep apart coaxial inner core and coaxial outer core, and external insulation layer plays the performance of insulation.
For another example, coaxial line 1 is regard as signal wire in use, coaxial outer core 12 is ground wire, coaxial inner core 10 is signal wire, can
To provide dual shield protection to signal wire.
Further, coaxial inner core 10 be tin plating copper core, high temperature resistant anti-oxidant compared to copper core, corrosion-resistant, humidity,
More conducively electric current transmits, and greatly prolongs service life；And/or
Coaxial outer core 12 is tin plating copper core, high temperature resistant anti-oxidant compared to copper core, corrosion-resistant, humidity, more conducively electric current
Transmission, greatly prolongs service life；And/or
Inner insulating layer 11 is silicone insulation layer, has good heat resistance, inoxidizability, electric insulating quality and resistance to electric leakage
Performance, provide good insulation performance between the two in coaxial outer core and coaxial inner core；And/or
External insulation layer 13 is that silicone insulation layer has good heat resistance, inoxidizability, electric insulating quality and resistance to electric leakage
Performance, good insulation protection is formed to coaxial outer core.
Further, shielded cable side by side provided in this embodiment further includes the shielded layer 3 and cladding screen for coating twisted pair 2
The external protection 4 of layer 3 is covered, coaxial line 1 is fixedly connected with the external protection 4 that 2 outside of twisted pair is arranged in.It is double in the present embodiment
Twisted wire 2, the shielded layer 3 for coating twisted pair 2 and the external protection 4 for coating shielded layer 3 constitute twisted pair part.
Further, shielded layer 3 includes the metal screen layer 31 that 4 inside of external protection is arranged in, and metal screen layer 31 wraps
Twisted pair 2 is covered, the problem of shielding external electromagnetic interference well is played.
Further, shielded layer 3 further includes the braiding layer 32 being arranged between metal screen layer 31 and external protection 4.With
Braiding layer 32 and the metal screen layer 31 that 32 inside of braiding layer is arranged in constitute double-layer shielding structure, and it is outer further to promote shielding
The performance of portion's electromagnetic interference.
Further, braiding layer 32 is tincopper fuse wire braided armor.Braiding layer can for aluminium wire braiding layer, copper-wire braided layer,
Tincopper fuse wire braided armor, compared to aluminium wire braiding layer, copper-wire braided layer, braiding layer is preferably tinned copper wire braiding in the application
Layer, improve intensity, it is not oxidizable, corrosion-resistant, improve solderability, reliability, have good electrical insulation capability, heat resistance and
Certain mechanical strength.
Further, metal screen layer 31 is aluminium foil layer, not only plays the function of shielding external electromagnetic field interference, but also can be kept away
The burr for exempting from tincopper fuse wire braided armor punctures the core wire in twisted pair, plays a certain protective role.
Further, twisted pair 2 includes two twisted core wires 21, and core wire includes tinned wird and cladding tinned wird
Polyvinyl fluoride (PVC) sheath.Core wire is formed using PVC sheath package tinned wird, tinned wird is anti-oxidant, high temperature resistant, corrosion resistant
Erosion, humidity, PVC sheath have the advantages that strong compressive resistance, corrosion-resistant, insect-pest, fire-retardant, insulation, also have soft, thickness
It is thin, easily cut pliable advantage；And/or
External protection is heat plasticity polyurethane elastic rubber (TPU) layer, has good heat resistance, cold resistance, oil resistivity
And air-tightness, high mechanical strength, play good support, protective effect.
Further, coaxial line is fixedly connected by adhesive with the external protection being arranged on the outside of twisted pair；Alternatively, same
Axis is fixedly connected by dowel with the external protection being arranged on the outside of twisted pair.Adhesive or dowel are illustrated as in Fig. 1
Connection structure 5 have that structurally reasonable, manufacturing process is simple, assembly for fixing both coaxial line 1 and twisted pair 2
Conveniently, the advantages that service performance is reliable.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature any
Other technical solutions of combination and formation.Such as features described above and (but being not limited to) disclosed herein have similar functions
Technical characteristic is replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of shielded cable side by side characterized by comprising coaxial line and twisted pair, the coaxial line and the twisted pair
It is fixedly connected.
2. shielded cable side by side according to claim 1, which is characterized in that the coaxial line includes: coaxial inner core, cladding
The external insulation of the inner insulating layer of the coaxial inner core, the coaxial outer core of the cladding inner insulating layer and the cladding coaxial outer core
Layer.
3. shielded cable side by side according to claim 2, which is characterized in that
The coaxial inner core is tin plating copper core；And/or
The coaxial outer core is tin plating copper core；And/or
The inner insulating layer is silicone insulation layer；And/or
The external insulation layer is silicone insulation layer.
4. shielded cable side by side according to claim 1, which is characterized in that further include the shielded layer for coating the twisted pair
With the external protection for coating the shielded layer, the coaxial line and the fixed company of the external protection being arranged on the outside of the twisted pair
It connects.
5. shielded cable side by side according to claim 4, which is characterized in that the shielded layer includes being arranged in the outer guarantor
Metal screen layer on the inside of sheath, the metal screen layer coat the twisted pair.
6. shielded cable side by side according to claim 5, which is characterized in that the shielded layer further includes being arranged in the gold
Belong to the braiding layer between shielded layer and the external protection.
7. shielded cable side by side according to claim 6, which is characterized in that the braiding layer is tincopper fuse wire braided armor.
8. according to the described in any item shielded cables side by side of claim 5-7, which is characterized in that the metal screen layer is aluminium foil
Layer.
9. according to the described in any item shielded cables side by side of claim 4-7, which is characterized in that
The twisted pair includes two twisted core wires, and the core wire includes tinned wird and the poly- fluorine for coating the tinned wird
Ethylene sheath；And/or
The external protection is heat plasticity polyurethane elastic rubber layer.
10. according to the described in any item shielded cables side by side of claim 4-7, which is characterized in that the coaxial line passes through bonding
Agent is fixedly connected with the external protection being arranged on the outside of the twisted pair；Or,
The coaxial line is fixedly connected by dowel with the external protection being arranged on the outside of the twisted pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684728.4U CN208368192U (en) | 2018-05-09 | 2018-05-09 | Shielded cable side by side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820684728.4U CN208368192U (en) | 2018-05-09 | 2018-05-09 | Shielded cable side by side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208368192U true CN208368192U (en) | 2019-01-11 |
Family
ID=64934441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820684728.4U Active CN208368192U (en) | 2018-05-09 | 2018-05-09 | Shielded cable side by side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208368192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874287A (en) * | 2019-02-21 | 2019-06-11 | 东莞市雷兹盾电子材料有限公司 | A kind of metal knitted type electric silica gel casing and preparation method thereof |
-
2018
- 2018-05-09 CN CN201820684728.4U patent/CN208368192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874287A (en) * | 2019-02-21 | 2019-06-11 | 东莞市雷兹盾电子材料有限公司 | A kind of metal knitted type electric silica gel casing and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210723 Address after: 518063 5th floor, block B, building 1, software industry base, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Fengyi Technology (Shenzhen) Co.,Ltd. Address before: 518061 Intersection of Xuefu Road (south) and Baishi Road (east) in Nanshan District, Shenzhen City, Guangdong Province, 6-13 floors, Block B, Shenzhen Software Industry Base Patentee before: SF TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |