CN214796841U - Low-temperature-resistant high-frequency signal transmission special cable for equipment - Google Patents
Low-temperature-resistant high-frequency signal transmission special cable for equipment Download PDFInfo
- Publication number
- CN214796841U CN214796841U CN202120638080.9U CN202120638080U CN214796841U CN 214796841 U CN214796841 U CN 214796841U CN 202120638080 U CN202120638080 U CN 202120638080U CN 214796841 U CN214796841 U CN 214796841U
- Authority
- CN
- China
- Prior art keywords
- cable
- halogen
- conductor
- free
- temperature
- 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.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model provides a low temperature resistant high frequency signal transmission special type cable for equipment which the structure is: a cable core (5) is formed by twisting a plurality of wire cores (3) and hemp ropes (4); a halogen-free tape layer (6) and an outer sheath (7) are sequentially wrapped outside the cable core (5); the wire core is formed by a conductor (1) wrapped with an insulating layer (2); the conductor is a category 5 flex-resistant copper conductor meeting IEC60228 requirements; the conductor is formed by twisting a plurality of thin copper wires; the insulating layer is made of tensile silicon rubber insulating material; the halogen-free belt layer (6) is formed by overlapping and wrapping halogen-free belts; the outer sheath is made of polyurethane sheath material. The cable has the characteristics of good tensile property, low temperature resistance, oil resistance, wear resistance, excellent acid resistance, alkali resistance, corrosion resistance, high flexibility, high-frequency signal transmission and the like.
Description
Technical Field
The utility model relates to an equipment is with low temperature resistant high frequency signal transmission special type cable, in particular to equipment is with low temperature resistant high frequency signal transmission special type cable belongs to cable technical field.
Background
In some high-cold and high-altitude areas or some ultralow-temperature environments, the conventional low-temperature-resistant cable can only reach-40 ℃, the use requirement cannot be met, and the cable in the extremely low-temperature environment is accompanied with a complex working environment, such as large mechanical equipment used outdoors, and most of the cables are in a heavy oil pollution environment when in use; the cable is often dragged, and under the condition of extremely low temperature, the cable is required to have excellent wear resistance and better tensile property; to meet the installation requirements, the cable also needs high flexibility; meanwhile, in order to make the operation of large mechanical equipment more stable, the cable also needs high-frequency signal transmission performance.
Based on the extreme environmental limitation, the cable is required to have excellent low temperature resistance (-60 ℃), wear resistance, oil resistance and certain tensile property, and also needs to have the functions/performance characteristics of acid resistance, alkali resistance, corrosion resistance, high flexibility, high-frequency signal transmission and the like. This makes the overall design of the cable very difficult.
Disclosure of Invention
The utility model aims at providing an equipment is with low temperature resistant high frequency signal transmission special type cable, it not only requires to have good electrical property, oil resistance, low temperature resistant performance and excellent acidproof, alkali-proof, corrosion-resistant, high softness, characteristics such as high frequency signal transmission, has excellent wear resistance simultaneously. In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a low temperature resistant high frequency signal transmission special type cable for equipment, this special type cable's external diameter scope is 11 ~ 15mm, and its structure is:
a cable core 5 is formed by twisting a plurality of wire cores 3 and hemp ropes 4, and the twisting pitch-diameter ratio is 6-8 times; the cable core 5 is sequentially wrapped with a halogen-free tape layer 6 and an outer sheath 7;
the wire core is composed of a conductor 1 wrapped with an insulating layer 2; the conductor is a category 5 flex-resistant copper conductor meeting IEC60228 requirements; the conductor is formed by twisting a plurality of thin copper wires, and the twisting pitch diameter ratio is 12-16 times; the diameter range of the thin copper wire is 0.193 mm-phi 0.243 mm;
the insulating layer is made of tensile silicon rubber insulating materials, and the nominal thickness range of the insulating layer is 1.0-1.3 mm;
the strand number range of the hemp rope is 8-10 strands, and the diameter range of the hemp rope is 1.5-1.8 mm; they are located in the gaps between the individual cores;
the hemp rope fills gaps between cable cores, the tensile strength of the cable is increased, and the flexibility of the cable is enhanced. In addition, the hemp rope has the characteristic of moisture resistance, and has a certain auxiliary heat dissipation effect under a specific working condition. Compared with other filling materials, the hemp rope has the advantages of large tensile strength and large temperature resistance range, and the whole hemp rope can be free of broken ends and joints in the processing process due to the characteristics of the hemp rope.
The halogen-free belt layer 6 is formed by overlapping and wrapping halogen-free belts, the nominal thickness range of the halogen-free belts is 0.15-0.25 mm, and the overlapping rate is not less than 25%;
the outer sheath is made of polyurethane sheath materials, and the nominal thickness range of the outer sheath is 1.8-2.2 mm.
Further:
the insulating layer 2 is formed by extruding tensile type silicon rubber insulating material (such as a mark 357), and the nominal thickness of the insulating layer is 1.2 mm.
The nominal thickness of the halogen-free tape (the specific optional type of the halogen-free tape is low-smoke halogen-free flame retardant tape) of the halogen-free tape layer is 0.2mm, and the overlapping rate is 28-35%.
The outer sheath 7 is formed by extruding polyurethane sheath material (such as 58888), and the nominal thickness of the outer sheath is 2.0 mm.
The principle and effect of the technical scheme are explained as follows:
the conductor is a category 5 bare copper conductor, and the specific structure of the conductor has higher flexibility, so that the bending radius of the cable is greatly reduced; the insulation is made of a tensile silicon rubber insulation material with a specific thickness, has excellent electrical performance and mechanical performance, has excellent ageing resistance, and greatly prolongs the service life of the cable; the outer sheath is made of polyurethane sheath material with a specific thickness, and has excellent wear resistance, low temperature resistance and oil resistance; meanwhile, the cable also has the performances of acid resistance, alkali resistance, corrosion resistance, high flexibility, high-frequency signal transmission and the like.
The cable adopting the structure has excellent low temperature resistance, can be used in extreme weather and environment at minus 60 ℃, and is suitable for high altitude and alpine regions.
The cable has good oil resistance and high flexibility, can be installed in heavy oil polluted environments and narrow areas, has excellent wear resistance and certain tensile property, can withstand dragging and long-term friction, and is suitable for being used in complex environments.
Drawings
Fig. 1 is a schematic view of the radial cross section structure of the present invention.
In the figure: 1. conductor, 2, insulating layer, 3, sinle silk, 4, hemp rope, 5, cable core, 6, no halogen tape layer, 7, oversheath.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
With reference to figure 1 of the drawings,
the utility model provides a low temperature resistant high frequency signal transmission special type cable for equipment, this special type cable's external diameter scope is 11 ~ 15mm, and its structure is:
a plurality of cables (4 in the embodiment) are twisted, the cable core 5 is formed by twisting the cable core 3 and the hemp rope 4, and the twisting pitch-diameter ratio is 6-8 times; the cable core 5 is sequentially wrapped with a halogen-free tape layer 6 and an outer sheath 7;
the wire core is composed of a conductor 1 wrapped with an insulating layer 2; the conductor is a category 5 flex-resistant copper conductor meeting IEC60228 requirements; the conductor is formed by twisting a plurality of thin copper wires, and the twisting pitch diameter ratio is 12-16 times; the diameter range of the thin copper wire is phi 0.193 mm-phi 0.243 mm;
the insulating layer is made of tensile silicon rubber insulating materials, and the nominal thickness range of the insulating layer is 1.0-1.3 mm;
the strand number range of the hemp rope is 8-10 strands, and the diameter range of the hemp rope is 1.5-1.8 mm; they are located in the gaps between the individual cores;
the halogen-free belt layer 6 is formed by overlapping and wrapping halogen-free belts, the nominal thickness range of the halogen-free belts is 0.15-0.25 mm, and the overlapping rate is not less than 25%;
the outer sheath is made of polyurethane sheath materials, and the nominal thickness range of the outer sheath is 1.8-2.2 mm.
The outer diameter of the lower part is 12mm, and the cross-sectional area of the conductor is 2.5mm2The four-core cable of (2) is exemplified and explained:
the insulating layer 2 is formed by extruding tensile type silicon rubber insulating material (the mark is 357), and the nominal thickness of the insulating layer is 1.2 mm.
The nominal thickness of the halogen-free tape (the specific optional type of the halogen-free tape is low-smoke halogen-free flame retardant tape) of the halogen-free tape layer 6 is 0.2mm, and the overlapping rate is 28-35%.
The outer sheath 7 is formed by extruding polyurethane sheath material (No. 58888), and the nominal thickness of the outer sheath is 2.0 mm.
The number of the hemp rope strands is 8, the diameter of the hemp rope strands is 1.5mm, so that the cable has good tensile property and is round.
In the manufacturing process of the cable, the insulating layer 2 adopts a thin-wall extrusion process structure, the cover overlapping rate of the halogen-free belt is preferably 28-35%, and the requirements of small thickness and high mechanical performance are met; the polyurethane sheath material has the characteristics of low temperature resistance, wear resistance, oil resistance and the like, so that the cable product has better low temperature resistance, oil resistance and wear resistance.
The cable also has the characteristics of excellent acid resistance, alkali resistance, corrosion resistance, high flexibility, high-frequency signal transmission and the like.
The performance of the cable of the present example was tested as follows:
has good mechanical property, and the insulating tensile strength is more than or equal to 12.5N/mm2The elongation at break is more than or equal to 500 percent; the tensile strength of the sheath is more than or equal to 45.0N/mm2And the elongation at break is more than or equal to 600 percent.
Has high flexibility and bending radius not less than 6D (D is the diameter of the cable).
The cable has good wear resistance, the cable is scraped and ground in the length direction of the cable at the temperature of 20 +/-5 ℃, the scraping and grinding device scrapes and grinds 100000 times at the frequency of 55 +/-5 times/min, and the electrical performance of the cable is good.
Has excellent low temperature resistance, and the outer sheath stretches at the low temperature of minus 60 ℃ for 16h and the low temperature is more than or equal to 110 percent.
The oil-resistant rubber has excellent oil resistance, the outer sheath of the oil-resistant rubber is immersed in IRM902 oil at 100 ℃ for 24 hours, and the change rate of the tensile strength and the change rate of the elongation at break of the oil-resistant rubber do not exceed 30 percent.
The present invention is not limited to the above embodiments, and all technical solutions formed by equivalent or equivalent replacement fall into the protection scope claimed in the present invention.
Claims (7)
1. The utility model provides a low temperature resistant high frequency signal transmission special type cable for equipment, the external diameter scope of characterized by cable is 11 ~ 15mm, and the structure of cable is: a cable core (5) is formed by twisting a plurality of wire cores (3) and hemp ropes (4), and the twisting pitch-diameter ratio is 6-8 times; a halogen-free tape layer (6) and an outer sheath (7) are sequentially wrapped outside the cable core (5);
the wire core is formed by a conductor (1) wrapped with an insulating layer (2); the conductor is a category 5 flex-resistant copper conductor meeting IEC60228 requirements; the conductor is formed by twisting a plurality of thin copper wires, and the twisting pitch diameter ratio is 12-16 times; the diameter range of the thin copper wire is phi 0.193 mm-phi 0.243 mm;
the insulating layer is made of tensile silicon rubber insulating materials, and the nominal thickness range of the insulating layer is 1.0-1.3 mm;
the strand number range of the hemp rope is 8-10 strands, and the diameter range of the hemp rope is 1.5-1.8 mm; they are located in the gaps between the individual cores;
the halogen-free belt layer (6) is formed by overlapping and wrapping halogen-free belts, the nominal thickness range of the halogen-free belts is 0.15-0.25 mm, and the overlapping rate is not less than 25%;
the outer sheath is made of polyurethane sheath materials, and the nominal thickness range of the outer sheath is 1.8-2.2 mm.
2. The special cable for transmitting low-temperature-resistant high-frequency signals for equipment according to claim 1, wherein: the covering rate of the halogen-free belt layer (6) is 28-35%.
3. The special cable for transmitting low-temperature-resistant high-frequency signals for equipment according to claim 1, wherein: the cross-sectional area of the conductor is 2.5mm2The number of the wire cores is four, and the outer diameter of the cable is 12 mm.
4. The special cable for transmitting low-temperature-resistant high-frequency signals for equipment according to claim 3, wherein: the insulating layer (2) is formed by extruding tensile type silicon rubber insulating materials, and the nominal thickness of the insulating layer is 1.2 mm.
5. The special cable for transmitting low-temperature-resistant high-frequency signals for equipment according to claim 3, wherein: the halogen-free tape of the halogen-free tape layer (6) is a low-smoke halogen-free flame-retardant tape with the nominal thickness of 0.2 mm.
6. The special cable for transmitting low-temperature-resistant high-frequency signals for equipment according to claim 3, wherein: the outer sheath (7) is formed by extruding polyurethane sheath material, and the nominal thickness of the outer sheath is 2.0 mm.
7. The special cable for transmitting low-temperature-resistant high-frequency signals for equipment according to claim 3, wherein: the number of the hemp rope strands is 8, and the diameter is 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120638080.9U CN214796841U (en) | 2021-03-30 | 2021-03-30 | Low-temperature-resistant high-frequency signal transmission special cable for equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120638080.9U CN214796841U (en) | 2021-03-30 | 2021-03-30 | Low-temperature-resistant high-frequency signal transmission special cable for equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214796841U true CN214796841U (en) | 2021-11-19 |
Family
ID=78667644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120638080.9U Active CN214796841U (en) | 2021-03-30 | 2021-03-30 | Low-temperature-resistant high-frequency signal transmission special cable for equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214796841U (en) |
-
2021
- 2021-03-30 CN CN202120638080.9U patent/CN214796841U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202473308U (en) | Acid and alkali-resistant oil-resistant ultraviolet-resistant moisture-proof environment-friendly type flat drag cable | |
| CN202601310U (en) | High-frequency communication cable | |
| CN202042220U (en) | Flat tensile tear-resistant multifunctional soft cable for drag chain | |
| CN214796841U (en) | Low-temperature-resistant high-frequency signal transmission special cable for equipment | |
| CN112885517A (en) | Power, control and communication integrated photoelectric composite coal mining machine cable | |
| CN212434282U (en) | Low-temperature-resistant high-flexibility special cable | |
| CN201075313Y (en) | High flexible control cable for numerical control machine drag chain system | |
| CN214336377U (en) | Special shielded waterproof flexible cable | |
| CN103606409A (en) | Flame-retardant high temperature resistance anti-bending soft type control cable | |
| CN213781631U (en) | High-flexibility oil-resistant tensile control cable | |
| CN201336163Y (en) | Anti-torsion environment-resisting reinforced type soft cable used for engineering and machinery | |
| CN108648876B (en) | Soil restoration cable and production process | |
| CN209912606U (en) | High flame-retardant waterproof control cable | |
| CN2824244Y (en) | Measuring controlling cable for oil and gas pipeline explosion-proof | |
| CN210182088U (en) | Anti-interference heat-resistant control cable matched with electrical equipment | |
| CN111009348A (en) | Watertight load-bearing comprehensive special-shaped flat cable and production method thereof | |
| CN216161472U (en) | Control cable for KCEU low-temperature-resistant hydrolysis-resistant tow chain | |
| CN106328258A (en) | Waterproof low-voltage cable | |
| CN113380442B (en) | Special line for robot | |
| CN212181983U (en) | Special shielding signal cable with tensile protection function | |
| CN211455333U (en) | Mobile drag chain cable | |
| CN220420275U (en) | High-temperature-resistant multi-core flexible cable with temperature measurement function for connecting oil well heating pump | |
| CN219085681U (en) | High-flexibility special cable for coating production line | |
| CN220208567U (en) | Teflon high-temperature multi-strand flexible conductor | |
| CN219202795U (en) | Multi-core soft conductor non-sheath cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |