CN219610089U

CN219610089U - High temperature resistant motor lead-out wire and motor

Info

Publication number: CN219610089U
Application number: CN202320436010.4U
Authority: CN
Inventors: 赵凯斌; 任金玲
Original assignee: Xinhongye Technology Hunan Co ltd
Current assignee: Xinhongye Technology Hunan Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-29
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a high temperature resistant motor outgoing line, comprising: the cable comprises a central conductor and an insulating layer coated on the outer side of the central conductor, wherein a wrapping layer is arranged between the central conductor and the insulating layer, the wrapping layer is tightly coated on the central conductor, and the insulating layer is tightly coated on the outer side surface of the wrapping layer. The utility model improves the overall high temperature resistance and high temperature bending cracking resistance of the cable, reduces the bending stress of the cable and prolongs the service life.

Description

High temperature resistant motor lead-out wire and motor

Technical Field

The utility model relates to the technical field of cables, in particular to a high-temperature-resistant motor outgoing line.

Background

Motors are used in various fields of people's production and life to convert electrical energy into mechanical energy. The lead-out wire system of the motor is a critical structure of the motor, and the quality of the lead-out wire system directly affects the normal use of the motor. The motor lead-out wire material in the current market mainly uses 5 types of conductor structures and XLPE materials at 125 ℃, the hardness of insulating materials is about 90A, conductors and whole wires are hard, bending performance is poor, the existing structure cannot meet the requirement of the use of the cable in the bending process of extremely small space in a long-term high-temperature environment, and the problems of low temperature resistance level, poor paint dipping resistance and short service life exist.

Disclosure of Invention

The utility model aims to provide a high-temperature-resistant motor outgoing line, which improves the overall high temperature resistance and high-temperature bending cracking resistance of a cable, reduces the bending stress of the cable and prolongs the service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high temperature resistant motor lead-out wire comprising: the cable comprises a central conductor and an insulating layer coated on the outer side of the central conductor, wherein a wrapping layer is arranged between the central conductor and the insulating layer, the wrapping layer is tightly coated on the central conductor, and the insulating layer is tightly coated on the outer side surface of the wrapping layer.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the wrapping layer is obtained by tightly wrapping the wrapping band on the central conductor.

2. In the scheme, the wrapping belt is PTFE wrapping belt.

3. In the scheme, the central conductor is formed by twisting a plurality of conductor cores.

4. In the scheme, filling lines are arranged at gaps among the plurality of conductor cores.

5. In the above scheme, the filling thread is a fiber thread or a cotton thread.

The motor also provides a motor which comprises the motor outgoing line.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the high-temperature-resistant motor lead-out wire, the wrapping layer is arranged between the central conductor and the insulating layer, the wrapping layer is tightly wrapped on the central conductor, the insulating layer is tightly wrapped on the outer side surface of the wrapping layer, and the high-temperature-resistant wrapping layer and the high-temperature-resistant insulating layer are arranged to form a double-layer insulating structure, so that the overall high-temperature resistance and high-temperature bending cracking resistance of the cable are improved, the bending stress of the cable is reduced, and the service life of the cable is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a high temperature resistant motor lead-out wire according to the present utility model.

In the above figures: 1. a center conductor; 2. an insulating layer; 3. wrapping the layer; 4. a conductor core; 5. filling the line.

Detailed Description

The present patent will be further understood by the specific examples given below, which are not intended to be limiting.

Example 1: a high temperature resistant motor lead-out wire comprising: the cable comprises a central conductor 1 and an insulating layer 2 coated on the outer side of the central conductor 1, wherein a wrapping layer 3 is arranged between the central conductor 1 and the insulating layer 2, the wrapping layer 3 is tightly coated on the central conductor 1, and the insulating layer 2 is tightly coated on the outer side surface of the wrapping layer 3.

The wrapping layer 3 is obtained by tightly wrapping a wrapping tape on the central conductor 1; the wrapping tape is PTFE wrapping tape.

Example 2: a high temperature resistant motor lead-out wire comprising: the cable comprises a central conductor 1 and an insulating layer 2 coated on the outer side of the central conductor 1, wherein a wrapping layer 3 is arranged between the central conductor 1 and the insulating layer 2, the wrapping layer 3 is tightly coated on the central conductor 1, and the insulating layer 2 is tightly coated on the outer side surface of the wrapping layer 3.

The central conductor 1 is formed by twisting a plurality of conductor cores 4; filling wires 5 are arranged at gaps among the plurality of conductor cores 4; the filling wire 5 is cotton, and can fill the gaps between the conductor cores to ensure the rounding of the cable and improve the tolerance of the cable in the use environment of minimum space bending, increase the tensile breaking force of the cable, buffer the cable when the cable is bent, reduce the tensile force on the conductor cores and further improve the bending resistance of the cable.

Example 3: an electric motor, the lead-out wire of which comprises: the cable comprises a central conductor 1 and an insulating layer 2 coated on the outer side of the central conductor 1, wherein a wrapping layer 3 is arranged between the central conductor 1 and the insulating layer 2, the wrapping layer 3 is tightly coated on the central conductor 1, and the insulating layer 2 is tightly coated on the outer side surface of the wrapping layer 3.

The central conductor 1 is formed by twisting a plurality of conductor cores 4; filling wires 5 are arranged at gaps among the plurality of conductor cores 4; the filling line 5 is a fiber line; the insulating layer 2 is a polyolefin insulating layer, adopts novel low-smoke halogen-free cross-linked polyolefin material with the temperature resistance grade of 150 ℃, has the hardness of 80+/-2A, the elongation at break of more than 400 percent and the tensile strength of more than 12MPa, has the performances of paint dipping resistance and solvent resistance, high-temperature bending cracking resistance, good high-temperature pressure performance and improves the breakdown voltage resistance of products.

When the high-temperature-resistant motor lead-out wire is adopted, the cable is simple in structure, novel in material and convenient in production process, has the advantages of high temperature resistance, paint solvent resistance, halogen-free flame retardance, high temperature pressure resistance, high temperature resistance, cracking resistance, prolonged service life of the cable and the like, and is widely applied to the motor lead-out wire, the temperature resistance level of the product reaches 150 ℃, the pressure resistance level can reach 1500V/AC, and the service life exceeds 25 years.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A high temperature resistant motor lead-out wire comprising: the center conductor (1) and cladding in insulating layer (2) in the outside of center conductor (1), its characterized in that: a wrapping layer (3) is arranged between the central conductor (1) and the insulating layer (2), the wrapping layer (3) is tightly wrapped on the central conductor (1), and the insulating layer (2) is tightly wrapped on the outer side surface of the wrapping layer (3).

2. The high temperature resistant motor lead-out wire according to claim 1, wherein: the wrapping layer (3) is obtained by tightly wrapping the wrapping belt on the central conductor (1).

3. The high temperature resistant motor lead-out wire according to claim 2, wherein: the wrapping belt is PTFE wrapping belt.

4. The high temperature resistant motor lead-out wire according to claim 1, wherein: the central conductor (1) is formed by twisting a plurality of conductor cores (4).

5. The high temperature resistant motor lead-out wire according to claim 4, wherein: and filling wires (5) are arranged at gaps among the plurality of conductor cores (4).

6. The high temperature resistant motor lead-out wire according to claim 5, wherein: the filling thread (5) is a fiber thread or a cotton thread.

7. An electric motor, characterized in that: a motor outlet according to any one of claims 1 to 6.