CN217008690U - High-temperature-resistant oxidation-resistant bare braided shielding flexible cable - Google Patents
High-temperature-resistant oxidation-resistant bare braided shielding flexible cable Download PDFInfo
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- CN217008690U CN217008690U CN202220718659.0U CN202220718659U CN217008690U CN 217008690 U CN217008690 U CN 217008690U CN 202220718659 U CN202220718659 U CN 202220718659U CN 217008690 U CN217008690 U CN 217008690U
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Abstract
The utility model discloses a high-temperature-resistant and oxidation-resistant bare braided shielding flexible cable which comprises a copper wire conductor (1), an insulating layer (2) and a braided layer (3), wherein the insulating layer (2) is coated on the outer side of the copper wire conductor (1), the braided layer (3) is arranged on the outer side of the insulating layer (2), the braided layer (3) is formed by braiding copper wires (31), and a tin layer (32) is arranged on the surface of the copper wires (31). The high-temperature-resistant and oxidation-resistant bare braided shielding flexible cable disclosed by the utility model has the advantages of good high-temperature resistance, good flexibility and the like.
Description
Technical Field
The utility model relates to the field of wires and cables, in particular to a high-temperature-resistant and oxidation-resistant naked braided shielding flexible cable.
Background
Along with the common application of the existing automation equipment, the places with electromagnetic wave interference are more and more, and the application of the naked braided shielding flexible cable with electromagnetic wave interference resistance is wider, so the requirement on the capability of resisting the external electromagnetic interference of the cable is higher and higher, the environmental temperature of some places is high, the cable is required to have high temperature resistance, and the increase of the running cost of the equipment caused by frequently replacing the cable is avoided.
The traditional braided shielding flexible cable mostly adopts copper conductor transposition, common insulation, and bare copper wire braided shielding, and the cable can not better solve high temperature resistant, anti-oxidant performance to lead to the cable to reduce at long-term operation's in-process performance, can not well use and change the cable, both influenced the work efficiency of equipment, increased the use cost of equipment again.
Therefore, there is a need for a bare braided shielding flexible cable with high temperature resistance, oxidation resistance and long service life.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the inventor of the present invention has conducted an intensive study, and designs a high temperature resistant and oxidation resistant bare braided shielding flexible cable, which includes a copper wire conductor 1, an insulating layer 2 and a braided layer 3, wherein the insulating layer 2 is coated on the outer side of the copper wire conductor 1, the braided layer 3 is arranged on the outer side of the insulating layer 2, further, the braided layer 3 is braided by a copper wire 31, and a tin layer 32 is arranged on the surface of the copper wire 31.
Preferably, the braided layer 3 is formed by braiding at least two copper wires 31, and the braided copper wires 31 cover 70% -90% of the surface area of the insulating layer.
Preferably, the diameter of the copper wire 31 is 0.15-0.2 mm, and the thickness of the tin layer 32 is 0.65 μm.
In a preferred embodiment, the strand pitch ratio of the copper wire conductor 1 is 15 to 20 times.
In a preferred embodiment, the copper wire conductor 1 may have a plurality of copper wire conductors 1, each copper wire conductor 1 is coated with an insulating layer 2 to form a plurality of insulating layers, and a braided layer 3 wraps the insulating layers 2.
In a preferred embodiment, the pitch ratio of the plurality of copper wire conductors 1 is 10 to 15 times.
According to the utility model, the insulating layer 2 is a polytetrafluoroethylene insulating layer.
In a preferred embodiment, the thickness of the insulating layer 2 is 0.4 mm.
The high-temperature-resistant antioxidant bare braided shielding flexible cable provided by the utility model has the following beneficial effects:
(1) the high temperature resistance is excellent;
(2) the cable has good flexibility and wide application range.
Drawings
Fig. 1 is a schematic structural view illustrating a high temperature resistant and oxidation resistant bare braided shielding flexible cable according to a preferred embodiment of the present invention;
fig. 2 shows a schematic structural diagram of copper wires in a braided layer of a high-temperature-resistant oxidation-resistant bare braided shielding flexible cable according to a preferred embodiment of the utility model.
The reference numbers illustrate:
1-a copper wire conductor;
2-an insulating layer;
3-weaving layer;
31-copper wire;
32-tin layer 32.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The features and advantages of the present invention will become more apparent from the description.
In which, although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The utility model provides a high-temperature-resistant and oxidation-resistant bare braided shielding flexible cable which comprises a copper wire conductor 1, an insulating layer 2 and a braided layer 3, wherein the insulating layer 2 is coated on the outer side of the copper wire conductor 1, the braided layer 3 is arranged on the outer side of the insulating layer 2, as shown in figure 1, the braided layer 3 is braided by a copper wire 31, and a tin layer 32 is arranged on the surface of the copper wire 31 as shown in figure 2.
Traditional naked braided shield flexible cable, oxidation resistance is not enough, and especially under high temperature environment, the weaving layer exposes in the air for a long time, and is easily oxidized, leads to weaving layer intensity to reduce to influence shielding performance.
Further, according to the utility model, the surface of the copper wire 31 of the braided layer 3 is plated with tin, so that the oxidation resistance of the braided layer is improved, a high-temperature environment is not needed, and the defect of copper wire oxidation after long-term use is overcome.
The braided layer 3 is formed by braiding at least two copper wires 31, the copper wires 31 cover 70% -90% of the surface area of the insulating layer, the coverage rate is too low, the supporting force of the insulating layer is insufficient, the protection force on the insulating layer is reduced, and after the coverage rate exceeds 90%, the overall flexibility of the cable can be obviously reduced, so that the bending radius of the cable is increased. .
Preferably, the diameter of the copper wire 31 is 0.15mm, the thickness of the tin layer 32 is 0.65 μm, and by the design, on the basis of improving the high temperature resistance of the cable, the bending radius of the cable can reach 4D or below, so that the application scene of the cable is greatly improved.
Furthermore, the strand pitch ratio of the copper wire conductor 1 is 15-20 times, and the elongation of the cable is further improved.
In a preferred embodiment, the copper wire conductor 1 may have a plurality of copper wire conductors 1, each copper wire conductor 1 is coated with an insulating layer 2 to form a plurality of insulating layers, and a braided layer 3 wraps the insulating layers 2, as shown in fig. 1.
More preferably, the pitch ratio of the plurality of copper wire conductors 1 is 10 to 15 times, and preferably 12 times, so as to improve the flexibility of the cable.
According to a preferred embodiment of the utility model, the insulating layer 2 is a teflon insulating layer.
The polytetrafluoroethylene insulating material has good high temperature resistance, the polytetrafluoroethylene has good high temperature resistance, the long-term use temperature is 260 ℃, compared with materials such as crosslinked polyethylene (the working temperature is 90 ℃), polyvinyl chloride (the working temperature is 70 ℃) and the like, the long-term operation temperature of the cable is greatly improved, and the requirements of the use environment can be completely met.
In a preferred embodiment, the thickness of the insulating layer 2 is 0.4mm, and the insulating layer with the thickness not only ensures the insulating property of the cable at high temperature, but also does not damage the flexibility of the cable, so that the comprehensive performance of the cable is better.
The present invention has been described above in connection with preferred embodiments, which are exemplary only and illustrative. On the basis of the above, the utility model can be subjected to various substitutions and modifications, and the substitutions and the modifications are all within the protection scope of the utility model.
Claims (8)
1. A high-temperature-resistant oxidation-resistant bare braided shielding flexible cable comprises a copper wire conductor (1), an insulating layer (2) and a braided layer (3), wherein the insulating layer (2) is coated on the outer side of the copper wire conductor (1), the braided layer (3) is arranged on the outer side of the insulating layer (2),
the braided layer (3) is formed by braiding copper wires (31), and a tin layer (32) is arranged on the surfaces of the copper wires (31).
2. The high temperature resistant oxidation resistant bare braided shielding flexible cable according to claim 1,
the braided layer (3) is formed by braiding at least two copper wires (31), and the braided copper wires (31) cover 70% -90% of the surface area of the insulating layer.
3. The high temperature resistant oxidation resistant bare braided shielding flexible cable according to claim 1,
the diameter of the copper wire (31) is 0.15mm, and the thickness of the tin layer (32) is 0.65 mu m.
4. The high temperature resistant oxidation resistant bare braided shielding flexible cable according to claim 1,
the strand pitch ratio of the copper wire conductor (1) is 15-20 times.
5. The high temperature resistant oxidation resistant bare braided shielding flexible cable according to claim 1,
copper wire conductor (1) can have a plurality ofly, thereby every copper wire conductor (1) outside all wraps up has insulating layer (2) and forms a plurality of insulating layers, and one deck weaving layer (3) wraps up a plurality of insulating layers (2).
6. The high temperature resistant oxidation resistant bare braided shielded flexible cable according to claim 5,
the pitch ratio of the plurality of copper wire conductors (1) is 10-15 times.
7. The high temperature resistant oxidation resistant bare braided shielding flexible cable according to claim 1,
the insulating layer (2) is a polytetrafluoroethylene insulating layer.
8. The high temperature resistant oxidation resistant bare braided shielding flexible cable according to claim 7,
the thickness of the insulating layer (2) is 0.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220718659.0U CN217008690U (en) | 2022-03-30 | 2022-03-30 | High-temperature-resistant oxidation-resistant bare braided shielding flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220718659.0U CN217008690U (en) | 2022-03-30 | 2022-03-30 | High-temperature-resistant oxidation-resistant bare braided shielding flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217008690U true CN217008690U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220718659.0U Active CN217008690U (en) | 2022-03-30 | 2022-03-30 | High-temperature-resistant oxidation-resistant bare braided shielding flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217008690U (en) |
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2022
- 2022-03-30 CN CN202220718659.0U patent/CN217008690U/en active Active
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