CN218729938U - Special cable for liquid cooling lightweight variable frequency speed control motor - Google Patents
Special cable for liquid cooling lightweight variable frequency speed control motor Download PDFInfo
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- CN218729938U CN218729938U CN202222477897.XU CN202222477897U CN218729938U CN 218729938 U CN218729938 U CN 218729938U CN 202222477897 U CN202222477897 U CN 202222477897U CN 218729938 U CN218729938 U CN 218729938U
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Abstract
A liquid cooling lightweight cable special for a variable frequency speed regulating motor is characterized by comprising a cable core, a liquid cooling pipe, a wrapping belt, a copper strip and an outer sheath; the cable core comprises three phase lines and three zero lines, the phase lines are mutually twisted and are arranged in the center of the cable core in a bundled mode, the zero line is arranged on the outer side of the phase lines, and the zero line is uniformly twisted on the outer side of the phase lines in a winding mode. The insulating material is a polypropylene insulating material which has smaller specific gravity and higher volume resistivity and can effectively reduce the thickness of the insulating layer; the liquid cooling unit is added in the cable structure, so that heat generated during operation of the conductor can be absorbed, the sectional area of the copper conductor is reduced while the use requirement is met, the weight of the cable is reduced, the light weight of the cable is realized, the light weight of the variable-frequency speed regulating motor is further realized, the electromagnetic compatibility of the cable is good, the production cost is reduced, and the popularization and application value is achieved.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a liquid cooling lightweight variable frequency speed motor special cable.
Background
At present, the variable-frequency speed regulating motor is widely applied to industries such as metallurgy, mines, metal processing, chemical engineering, railways and the like; with the development of the variable-frequency speed-regulating transmission technology, the requirements on a power distribution system of a variable-frequency speed-regulating motor are higher and higher, and because the variable-frequency speed-regulating motor is generally arranged on a moving carrier, the requirement on the light weight of the variable-frequency speed-regulating motor is higher and higher on the premise that the variable-frequency speed-regulating motor meets the performance requirements of the carrier in order to reduce the load of the carrier.
The existing cable special for the variable-frequency speed-regulating motor is mainly used for a cable for connecting a variable-frequency power supply and the variable-frequency motor and a power transmission and distribution line with rated voltage of 1KV or below for transmitting electric energy. Because the quality of the cable accounts for a large part of the proportion in the variable-frequency speed regulating motor device, and the traditional cable structure leads to the heavy overall quality of the variable-frequency speed regulating motor due to the heavy cable, and the requirement of light weight of the variable-frequency motor cannot be met.
Disclosure of Invention
The utility model provides a liquid cooling lightweight variable frequency speed motor private cable, the whole quality of cable is light, uses on variable frequency speed motor, can the whole quality of effectual reduction motor, satisfies lightweight operation requirement, and the electromagnetic compatibility of cable is good, simple structure, low in production cost, the availability factor is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a liquid cooling lightweight cable special for a variable frequency speed regulating motor is characterized by comprising a cable core, a liquid cooling pipe, a wrapping belt, a copper strip and an outer sheath; the cable core comprises three phase lines and three zero lines, the phase lines are mutually twisted and are arranged in the center of the cable core in a bundled mode, the zero line is arranged on the outer side of the phase lines, the zero line is uniformly wound and twisted on the outer side of the phase lines, a phase line insulating layer is arranged outside each phase line, a zero line insulating layer is arranged outside each zero line, and the phase line insulating layer and the zero line insulating layer are both made of polypropylene materials; the cable core outside evenly around the hank have a plurality of liquid cooling pipes, the liquid cooling pipe be used for absorbing the cable core phase line and the heat that the zero line working process produced, liquid cooling outside of tubes be equipped with in proper order band, copper strips and oversheath.
The further scheme is as follows: for the cable appearance surface even, round, the liquid cooling pipe have 6, set up respectively in the recess between cable core surface phase line and zero line.
The further scheme is as follows: the thickness of the copper strip is 0.1mm, the copper strip is wound outside the wrapping tape in an overlapping mode, the overlapping rate is larger than 15%, and the copper strip plays a good role in shielding surrounding electromagnetic fields.
The further scheme is as follows: the liquid cooling pipe is a hollow pipe formed by low-smoke halogen-free thermoplastic material extrusion molding, has stronger mechanical strength and is not easy to deform.
The utility model has the advantages that: the insulating material is a polypropylene insulating material which has smaller specific gravity and higher volume resistivity and can effectively reduce the thickness of the insulating layer; the liquid cooling unit is added in the cable structure, so that heat generated during operation of the conductor can be absorbed, the sectional area of the copper conductor is reduced while the use requirement is met, the weight of the cable is reduced, the light weight of the cable is realized, the light weight of the variable-frequency speed regulating motor is further realized, the electromagnetic compatibility of the cable is good, the production cost is reduced, and the popularization and application value is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1, the special cable for the liquid-cooled lightweight variable-frequency speed-regulating motor comprises a cable core, a liquid-cooled pipe 5, a wrapping belt 6, a copper belt 7 and an outer sheath 8; the cable core comprises three phase lines 1 and three zero lines 2, the phase lines 1 are mutually twisted and are arranged in the center of the cable core in a bundled mode, the zero line 2 is arranged on the outer side of the phase line 1, the zero line 2 is uniformly wound and twisted on the outer side of the phase line 1, a phase line insulating layer 3 is arranged outside each phase line 1, a zero line insulating layer 4 is arranged outside each zero line 2, and the phase line insulating layer 3 and the zero line insulating layer 4 are both made of polypropylene materials; the cable core outside evenly around the hank have a plurality of liquid cooling pipes 5, liquid cooling pipe 5 be used for absorbing the cable core phase line 1 and the heat that produces in the 2 working processes of zero line, 5 outsides of liquid cooling pipe be equipped with in proper order band 6, copper strips 7 and oversheath 8.
For the cable appearance surface is even, round, liquid cooling pipe 5 have 6, set up respectively in the recess between cable core surface phase line 1 and zero line 2.
The copper strip 7 is 0.1mm thick, is wound outside the wrapping tape in an overlapping mode, has an overlapping rate of more than 15 percent and plays a good role in shielding surrounding electromagnetic fields.
The liquid cooling pipe 5 is a hollow pipe formed by extrusion molding of low-smoke halogen-free thermoplastic materials, has strong mechanical strength and is not easy to deform.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A liquid cooling lightweight cable special for a variable frequency speed regulating motor is characterized by comprising a cable core, a liquid cooling pipe, a wrapping belt, a copper strip and an outer sheath; the cable core comprises three phase lines and three zero lines, the phase lines are mutually twisted and are arranged in the center of the cable core in a bundled mode, the zero line is arranged on the outer side of the phase lines, the zero line is uniformly wound and twisted on the outer side of the phase lines, a phase line insulating layer is arranged outside each phase line, a zero line insulating layer is arranged outside each zero line, and the phase line insulating layer and the zero line insulating layer are both made of polypropylene materials; the cable core outside evenly around the hank have a plurality of liquid cooling pipes, the liquid cooling pipe be used for absorbing the cable core phase line and the heat that the zero line working process produced, the liquid cooling outside of tubes be equipped with in proper order band, copper strips and oversheath.
2. The special cable for the liquid-cooled lightweight variable-frequency speed-regulating motor as claimed in claim 1, wherein 6 liquid-cooled tubes are respectively arranged in a groove between the phase line and the zero line on the outer surface of the cable core.
3. The special cable for the liquid-cooled light-weight variable-frequency speed-regulating motor as claimed in claim 1 or 2, wherein the copper strip is 0.1mm thick, is wound outside the wrapping tape in an overlapping manner, and has an overlapping rate of more than 15%.
4. The special cable for the liquid-cooled light-weight variable-frequency speed-regulating motor as claimed in claim 1 or 2, wherein the liquid-cooled tube is a hollow tube formed by low-smoke halogen-free thermoplastic material extrusion molding.
5. The cable as claimed in claim 3, wherein the liquid-cooled tube is a hollow tube formed by extrusion molding of low-smoke halogen-free thermoplastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477897.XU CN218729938U (en) | 2022-09-20 | 2022-09-20 | Special cable for liquid cooling lightweight variable frequency speed control motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477897.XU CN218729938U (en) | 2022-09-20 | 2022-09-20 | Special cable for liquid cooling lightweight variable frequency speed control motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218729938U true CN218729938U (en) | 2023-03-24 |
Family
ID=85636232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222477897.XU Active CN218729938U (en) | 2022-09-20 | 2022-09-20 | Special cable for liquid cooling lightweight variable frequency speed control motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218729938U (en) |
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2022
- 2022-09-20 CN CN202222477897.XU patent/CN218729938U/en active Active
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