CN207458613U - A kind of anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant - Google Patents
A kind of anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant Download PDFInfo
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- CN207458613U CN207458613U CN201721455861.4U CN201721455861U CN207458613U CN 207458613 U CN207458613 U CN 207458613U CN 201721455861 U CN201721455861 U CN 201721455861U CN 207458613 U CN207458613 U CN 207458613U
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Abstract
The utility model is related to a kind of light-duty anti-interference low voltage frequency converter cables of heat resistant and wear resistant；Including the big insulated wire cores of master and secondary small insulated wire cores；The big insulated wire cores of master are followed successively by leading body, leading body lapping layer and leading body insulating layer from inside to outside；The small insulated wire cores of pair are followed successively by auxiliary-conductor, auxiliary-conductor lapping layer and auxiliary-conductor insulating layer from inside to outside；The big insulated wire cores of master and secondary small insulated wire cores composition cable core；Filling is set between the big insulated wire cores of master and secondary small insulated wire cores；The cable core includes core wrap, liner layer, woven shield, lapped shielding layer and outer jacket successively from inside to outside.The advantages that excellent, high temperature resistant of the conductive energy of the utility model cable, current-carrying capacity is big, resistance to drawing is wear-resisting, light-weight, easy to use, advantages of good shielding performance.It is widely used in the higher place electric power frequency-changing Transmission system of the environment temperatures such as ac rated voltage 0.6/1V and following steel mill, chemical plant, power plant.
Description
Technical field
The utility model is related to technical field of electric wires and cables, more particularly to a kind of anti-interference low pressure of light-duty heat resistant and wear resistant to become
Frequency device cable.
Background technology
With the fast development of converter technique, matched Special cable for frequency converter is employed more and more extensive, makees
For middle converter cable, play an important role to the development of converter technique.The development starting of domestic low voltage frequency converter cable
Later, the technical merit of each producer is irregular, in addition the requirement in recent years to Special cable for frequency converter is higher and higher, causes
Many producers are limited due to technical force, it is impossible to design, produce the low voltage frequency converter private cable product for meeting technology requirement.
Perhaps great producer or company largely use imported product for low voltage frequency converter private cable, however import cable price
Costliness, the production cycle is long, is unfavorable for the development of Chinese converter technique industry.
The content of the invention
For defect in the prior art, the utility model proposes a kind of light-duty anti-interference low pressure of heat resistant and wear resistant to become
Frequency device cable, the excellent, high temperature resistant of the conductive energy of the cable, current-carrying capacity is big, wear-resisting, light-weight, the easy to use, shielding of resistance to drawing
Can be good the advantages that.Be widely used in the environment temperatures such as ac rated voltage 0.6/1V and following steel mill, chemical plant, power plant compared with
High place electric power frequency-changing Transmission system.
To achieve the above object, the utility model proposes a kind of light-duty anti-interference low voltage frequency converter cables of heat resistant and wear resistant；
Including the big insulated wire cores of master and secondary small insulated wire cores；The big insulated wire cores of master be followed successively by from inside to outside leading body, leading body around
Covering and leading body insulating layer；The small insulated wire cores of pair are followed successively by auxiliary-conductor, auxiliary-conductor lapping layer and auxiliary-conductor from inside to outside
Insulating layer；The big insulated wire cores of master and secondary small insulated wire cores composition cable core；The big insulated wire cores of master and secondary small insulated wire cores
Between set filling；The cable core includes core wrap, liner layer, woven shield, lapped shielding layer successively from inside to outside
And outer jacket.
The cable core includes three main big insulated wire cores and three small insulated wire cores of pair；The big insulated wire cores of three masters are in
Ring-type is set, and the small insulated wire cores symmetrical chiasma matching of three pairs is arranged on the outside of three big insulated wire cores of master.
The filling matching is arranged on the high temperature glass fiber rope between three big insulated wire cores of master and three small insulated wire cores of pair.
The leading body and auxiliary-conductor are that annealing copper wire is twisted into.
The leading body lapping layer and auxiliary-conductor lapping layer be on copper conductor longitudinal wrap or wrapped high temperature resistant alkali-free without wax
Glass fiber tape.
The leading body insulating layer and auxiliary-conductor insulating layer are to extrude polytetrafluoroethylene (PTFE) thin insualting material.
Wrapped alkali-free is core wrap without wax glass fiber tape outside the cable core, and thin nylon inner lining is extruded outside cable core band
Layer, the copper free wire that the outer count of nylon inner lining layer is 85% is woven shield, and wrapped soft copper is overlapped again outside woven shield
Band forms lapped shielding layer, extrudes thin nylon sheath wire outside lapped shielding layer again and forms outer jacket.
Advantageous effect：
Compared with the prior art, the beneficial effects of the utility model are embodied in：
1st, longitudinal wrap or wrapped alkali-free without wax glass fiber tape, increase the temperature resistant grade of insulation on conductor.
2nd, insulation uses import polytetrafluoroethylene (PTFE) as insulating materials, has thin, light-weight, the good insulating that insulate, resistance to height
Warm nature, use temperature range are -50 DEG C~250 DEG C.
3rd, shielded layer uses proof copper-wire braided shielded layer and overlapping wrapped copper strips lapped shielding layer group of the count for 85%
Into dual shield, shielding rejection coefficient is excellent, and anti-external world's effect is good, and distorted signals is small, ensures signal transmission quality.
4th, oversheath use nylon sheath wire material, sheath is thin, light-weight, but nylon sheath wire have higher mechanical strength and
Elongation at break can improve the service life of cable.
5th, structure uses the structure of 3+3 cores, and traditional frequency conversion device is with cable mostly using 3+1 structures, and the novel product is by ground wire
Core is divided into 3 cores of small dimension, and cross gap is into symmetrical structure, symmetrical structure strong interference immunity during use.
6th, thin import teflon insulation material and nylon sheath wire is respectively adopted with sheath in insulation, and polytetrafluoroethylene (PTFE) has exhausted
The characteristics of edge thickness is thin, good electric property, nylon sheath wire have the characteristics of wear-resisting, tension, and the product is opposite on material utilization amount
Traditional product dosage is few, has the advantages that light-weight.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model proposes a kind of light-duty anti-interference low voltage frequency converter cables of heat resistant and wear resistant；Including the big insulated wire cores of master
With secondary small insulated wire cores；It is exhausted that the big insulated wire cores of master are followed successively by leading body 1, leading body lapping layer 2 and leading body from inside to outside
Edge layer 3；The small insulated wire cores of pair are followed successively by auxiliary-conductor 4, auxiliary-conductor lapping layer 5 and auxiliary-conductor insulating layer 6 from inside to outside；It is described
Main big insulated wire cores and secondary small insulated wire cores composition cable core；Filling is set between the big insulated wire cores of master and secondary small insulated wire cores
7；The cable core includes core wrap 8, liner layer 9, woven shield 10, lapped shielding layer 11 and outer shield successively from inside to outside
Layer 12.
The cable core includes three main big insulated wire cores and three small insulated wire cores of pair；The big insulated wire cores of three masters are in
Ring-type is set, and the small insulated wire cores symmetrical chiasma matching of three pairs is arranged on the outside of three big insulated wire cores of master.
7 matching of filling is arranged on the high temperature glass between three big insulated wire cores of master and three small insulated wire cores of pair
Rope.
The leading body 1 and auxiliary-conductor 4 are that annealing copper wire is twisted into.
The leading body lapping layer 2 and auxiliary-conductor lapping layer 5 be on copper conductor longitudinal wrap or wrapped high temperature resistant alkali-free without
Wax glass fiber tape.
The leading body insulating layer 3 and auxiliary-conductor insulating layer 6 are to extrude polytetrafluoroethylene (PTFE) thin insualting material.
Wrapped alkali-free is core wrap 8 without wax glass fiber tape outside the cable core, is extruded outside cable core band in thin nylon
Lining 9, the copper free wire that 9 outer count of nylon inner lining layer is 85% are woven shield 10, be overlapped again outside woven shield around
Bag soft copper band forms lapped shielding layer 11, extrudes thin nylon sheath wire outside lapped shielding layer 11 again and forms outer jacket 12.
Leading body 1 and auxiliary-conductor 4 are to be twisted into copper conductor using annealing copper free wire, and conductor layer surface should be bright and clean, hairless
Thorn.
Leading body lapping layer 2 and auxiliary-conductor lapping layer 5 use longitudinal wrap or wrapped high temperature resistant alkali-free without wax glass fiber tape shape
It is wrapped with being convinced into conductor lapping layer, corrugationless.
Polytetrafluoroethylene (PTFE) thin insualting material is extruded on leading body insulating layer 3 and auxiliary-conductor insulating layer 6 and forms insulated wire cores, absolutely
Edge should be smooth.
Filling 7 is formed using non-hygroscopic high temperature glass fiber rope, and filling shall be rounded up.Core wrap 8 is by alkali-free without wax glass
Fiber band is wrapped to be formed, wrapped to answer corrugationless and bottom pour ladle.Liner layer 9 is extruded by thin nylon inner lining layer and formed, and liner layer should be smooth.
Woven shield 10 is cross-woven by anaerobic soft copper silk and is formed, and count is not less than 85%, weaves no hole scar burr.Wrapped screen
It covers layer 11 to be formed by the overlapping of soft copper band is wrapped, wrapped corrugationless.Oversheath 12 is formed by extruding thin nylon sheath wire, oversheath table
It face should be smooth.
The utility model cable is widely used in the rings such as ac rated voltage 0.6/1V and following steel mill, chemical plant, power plant
The higher place electric power frequency-changing Transmission system of border temperature.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant；It is characterized in that：Including the big insulated wire cores of master and pair
Small insulated wire cores；The big insulated wire cores of master are followed successively by leading body, leading body lapping layer and leading body insulating layer from inside to outside；Institute
It states secondary small insulated wire cores and is followed successively by auxiliary-conductor, auxiliary-conductor lapping layer and auxiliary-conductor insulating layer from inside to outside；The big insulated wire of master
Core and secondary small insulated wire cores composition cable core；Filling is set between the big insulated wire cores of master and secondary small insulated wire cores；The cable core
Include core wrap, liner layer, woven shield, lapped shielding layer and outer jacket successively from inside to outside.
2. the anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant according to claim 1；It is characterized in that：The cable
Core includes three main big insulated wire cores and three small insulated wire cores of pair；The big insulated wire cores of three masters are annularly set, three
Secondary small insulated wire cores symmetrical chiasma matching is arranged on the outside of three big insulated wire cores of master.
3. the anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant according to claim 2；It is characterized in that：It is described to fill out
Fill the high temperature glass fiber rope that matching is arranged between three big insulated wire cores of master and three small insulated wire cores of pair.
4. the anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant according to claim 1；It is characterized in that：The master
Conductor and auxiliary-conductor are that annealing copper wire is twisted into.
5. the anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant according to claim 1；It is characterized in that：The master
Conductor lapping layer and auxiliary-conductor lapping layer be on copper conductor longitudinal wrap or wrapped high temperature resistant alkali-free without wax glass fiber tape.
6. the anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant according to claim 1；It is characterized in that：The master
Insulating layer of conductor and auxiliary-conductor insulating layer are to extrude polytetrafluoroethylene (PTFE) thin insualting material.
7. the anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant according to claim 1；It is characterized in that：The cable
Wrapped alkali-free is core wrap without wax glass fiber tape outside core, and thin nylon inner lining layer, nylon inner lining layer are extruded outside cable core band
The copper free wire that outer count is 85% is woven shield, and being overlapped wrapped soft copper band again outside woven shield forms wrapped screen
Layer is covered, thin nylon sheath wire is extruded outside lapped shielding layer again and forms outer jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455861.4U CN207458613U (en) | 2017-11-03 | 2017-11-03 | A kind of anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721455861.4U CN207458613U (en) | 2017-11-03 | 2017-11-03 | A kind of anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458613U true CN207458613U (en) | 2018-06-05 |
Family
ID=62253616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721455861.4U Active CN207458613U (en) | 2017-11-03 | 2017-11-03 | A kind of anti-interference low voltage frequency converter cable of light-duty heat resistant and wear resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207458613U (en) |
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2017
- 2017-11-03 CN CN201721455861.4U patent/CN207458613U/en active Active
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