High-heat-resistance polyester enameled round copper wire for motor

Abstract

The utility model discloses a high-heat-resistance polyester enameled copper round wire for a motor, which comprises a conductor, an insulating layer and a heat-resistant layer connected to the outer wall of the circumference of the insulating layer, and further comprises a flame-retardant mechanism arranged on the outer wall of the heat-resistant layer, a first flame-retardant layer connected to the outer wall of the circumference of the heat-resistant layer, and a second flame-retardant layer connected to the outer wall of the circumference of the heat-resistant layer. A third flame-retardant layer is fixed to the circumferential outer wall of the first flame-retardant layer, a second flame-retardant layer is connected to the circumferential outer wall of the third flame-retardant layer, and fixing grooves are formed in the circumferential outer wall of the first flame-retardant layer and the circumferential inner wall of the second flame-retardant layer. The high-heat-resistance polyester enameled copper round wire for the motor has the effects of improving the flame retardance, the wear resistance and the use safety of the wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to the polyester enameled copper round wire field especially relates to a kind of polyester enameled copper round wire for high heat resistance motor. BACKGROUND

[0002] Polyester enameled copper round wire is a kind of wire rod widely used in electrical field, mainly by copper round wire as conductor, and a layer of polyester paint is coated on its outer layer as insulating layer.This wire rod combines the high conductivity of copper and the excellent insulating property of polyester paint, and is therefore widely used in various motors, electrical appliances and electronic equipment.

[0003] The patent document with application No.201721053552.4 discloses a kind of anti-static polyester enameled copper round wire, including anti-static casing, enameled copper round wire main body and shielding tube, the anti-static casing is sleeved in enameled copper round wire main body rear end face, the anti-static casing includes second shell, the second shell inner end is sleeved with insulating layer, the insulating layer lower end is provided with communicating groove.

[0004] But traditional polyester enameled copper round wire for high heat resistance motor, the effect of flame retardation is not good, short-circuit combustion is prone to occur in the process of motor operation, and enameled wire wear resistance is poor, is prone to wear under the action of external friction or mechanical stress, leading to insulating layer damage or conductor exposure, and then shortening the service life of enameled wire, causing great threat to motor equipment and surrounding environment. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of polyester enameled copper round wire for high heat resistance motor, to solve the effect of flame retardation is not good, short-circuit combustion is prone to occur in the process of motor operation, and enameled wire wear resistance is poor, is prone to wear under the action of external friction or mechanical stress, leading to insulating layer damage or conductor exposure, and then shortening the service life of enameled wire, causing great threat to motor equipment and surrounding environment.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of polyester enameled copper round wire for high heat resistance motor, including conductor, insulating layer and the heat-resistant layer being connected on the circumference outer wall of the insulating layer, still include:

[0008] The fireproof mechanism is arranged on the outer wall of the heat-resistant layer, a first fireproof layer is connected to the outer wall of the heat-resistant layer, a third fireproof layer is fixed to the outer wall of the first fireproof layer, a second fireproof layer is connected to the outer wall of the third fireproof layer, a fixing groove is formed in the outer wall of the first fireproof layer and the inner wall of the second fireproof layer, and a fixing strip is connected to the inner wall and the outer wall of the third fireproof layer and is clamped to the inner wall of the fixing groove.

[0009] The wear-resistant mechanism is arranged on the outer wall of the second fireproof layer.

[0010] In the case, the fireproof mechanism is composed of the first fireproof layer, the second fireproof layer and the third fireproof layer, forming a multi-layer fireproof structure, which can more effectively prevent the spread of fire and improve the fireproof performance of the electric wire.

[0011] In a preferred embodiment, the fixing strip and the third fireproof layer are used in cooperation, and the fixing strip and the third fireproof layer are both made of carbon fiber.

[0012] The fixing strip and the third fireproof layer are connected in cooperation and cross each other to form a three-dimensional support structure, and the support structure made of carbon fiber tightly connects the first fireproof layer and the second fireproof layer together, and this laying mode enables the carbon fiber to more effectively bear stress and pressure from all directions, further improving the mechanical strength of the electric wire.

[0013] In a preferred embodiment, the wear-resistant mechanism includes a first wear-resistant layer, the first wear-resistant layer has a net-like structure, and a second wear-resistant layer is connected to the inner wall of the first wear-resistant layer, and the inner wall of the second wear-resistant layer is connected to the outer wall of the second fireproof layer.

[0014] The double-layer structure of the first wear-resistant layer and the second wear-resistant layer can significantly improve the wear-resistant performance of the electric wire, reduce damage of the electric wire caused by external friction and wear, and thus prolong the service life of the electric wire.

[0015] As can be seen from the above, a high-heat-resistant polyester enameled round copper wire for motors includes a conductor, an insulating layer, and a heat-resistant layer connected to the circumferential outer wall of the insulating layer. It also includes: a flame-retardant mechanism: the flame-retardant mechanism is arranged on the outer wall of the heat-resistant layer, a first flame-retardant layer is connected to the circumferential outer wall of the heat-resistant layer, a third flame-retardant layer is fixed to the circumferential outer wall of the first flame-retardant layer, a second flame-retardant layer is connected to the circumferential outer wall of the third flame-retardant layer, a fixing groove is formed on the circumferential outer wall of the first flame-retardant layer and the circumferential inner wall of the second flame-retardant layer, and fixing strips are connected to the circumferential inner wall and the circumferential outer wall of the third flame-retardant layer, and the fixing strips are clipped onto the inner wall of the fixing groove; and a wear-resistant mechanism: the wear-resistant mechanism is arranged on the circumferential outer wall of the second flame-retardant layer. The high-heat-resistant polyester enameled round copper wire for motors provided by this utility model has the technical effect of improving the flame retardancy, wear resistance, and safety of use of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a polyester enameled round copper wire for high heat-resistant motors proposed in the utility model.

[0017] Figure 2 The utility model shows a schematic cross-sectional structure of a polyester enameled round copper wire for high heat-resistant motors.

[0018] Figure 3 This is a schematic diagram of the partial structure of a polyester enameled round copper wire for high heat-resistant motors proposed by the utility model.

[0019] In the accompanying drawings: 1. conductor; 2. first wear-resistant layer; 3. insulating layer; 4. heat-resistant layer; 5. first flame-retardant layer; 6. second flame-retardant layer; 7. third flame-retardant layer; 8. second wear-resistant layer. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application generally described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work fall within the scope of protection of the present application.

[0021] The utility model discloses a polyester enameled copper round wire for high heat resistance motor mainly applied to the scene of poor flame -retardant effect, short -circuit combustion easily occurring in the motor operation process, and the enameled wire abrasion resistance is poor, and easily abrades under the action of external friction or mechanical stress, causes the insulating layer breakage or conductor exposure, and then shortens the service life of enameled wire, causes the great threat of motor equipment and surrounding environment.

[0022] Referring to Figure 1 , Figure 2 and Figure 3 , a polyester enameled copper round wire for high heat resistance motor, comprising a conductor 1, an insulating layer 3 and a heat -resistant layer 4 connected on the circumference outer wall of the insulating layer 3, further comprising:

[0023] Flame -retardant mechanism: flame -retardant mechanism sets up on the outer wall of heat -resistant layer 4, and the circumference outer wall of heat -resistant layer 4 is connected with first flame -retardant layer 5, and the circumference outer wall of first flame -retardant layer 5 is fixed with third flame -retardant layer 7, and the circumference outer wall of third flame -retardant layer 7 is connected with second flame -retardant layer 6, and the circumference outer wall of first flame -retardant layer 5 and the circumference inner wall of second flame -retardant layer 6 are all opened with fixed groove, and the circumference inner wall and circumference outer wall of third flame -retardant layer 7 are all connected with fixed strip, and fixed strip is clamped on the inner wall of fixed groove;

[0024] Wear -resisting mechanism: wear -resisting mechanism sets up on the circumference outer wall of second flame -retardant layer 6.

[0025] In the specific embodiment, the flame -retardant mechanism is composed of first flame -retardant layer 5, second flame -retardant layer 6 and third flame -retardant layer 7, forms multilayer flame -retardant structure, more effectively prevents the spread of flame, improves the flame -retardant performance of electric wire, and through the clamping of fixed strip on the inner wall of fixed groove, the close connection between each flame -retardant layer is ensured, and the looseness or separation between flame -retardant layers is prevented, so that the durability and stability of flame -retardant effect are ensured.

[0026] Referring to Figure 3 , in a preferred embodiment, the fixed strip and the third flame -retardant layer 7 are used in cooperation, and the fixed strip and the third flame -retardant layer 7 are both made of carbon fiber.

[0027] The fixed strip and the third flame -retardant layer 7 are cross -linked in cooperation and form a three -dimensional support structure, and the support structure made of carbon fiber tightly connects first flame -retardant layer 5 and second flame -retardant layer 6 together, and this laying mode makes carbon fiber more effectively bear stress and pressure from all directions, further improves the mechanical strength of electric wire, carbon fiber itself is not easy to burn, and forms carbonized layer when burning, insulates oxygen and heat, and has certain flame -retardant effect.

[0028] Referring to Figure 2 and Figure 3In a preferred embodiment, the first flame retardant layer 5 and the second flame retardant layer 6 are both made of inorganic flame retardant materials. Inorganic flame retardant materials have high flame retardant properties, can effectively prevent the spread of flames, and reduce the harm of fire to the motor and the surrounding environment.

[0029] Reference Figure 1 and Figure 2 In a preferred embodiment, the wear-resistant structure includes a first wear-resistant layer 2, the first wear-resistant layer 2 has a mesh structure, and the second wear-resistant layer 8 is connected to the circumferential inner wall of the first wear-resistant layer 2, and the circumferential inner wall of the second wear-resistant layer 8 is connected to the circumferential outer wall of the second flame retardant layer 6.

[0030] The double-layer structure design of the first wear-resistant layer 2 and the second wear-resistant layer 8 can significantly improve the wear resistance of the wire, reduce the damage to the wire caused by external friction and wear, and thus extend the service life of the wire. The first wear-resistant layer 2 adopts a mesh structure design, which not only increases the surface area of ​​the wear-resistant layer and improves the wear resistance, but also has good flexibility and adaptability, can adapt to various complex installation and operation environments, and ensure the stable operation of the wire.

[0031] Reference Figure 1 In a preferred embodiment, the first wear-resistant layer 2 is made of nylon and the second wear-resistant layer 8 is made of polyurethane. Both polyurethane and nylon have good wear resistance. Using these two materials as wear-resistant layers can significantly reduce the wear of the wires and extend their service life.

[0032] Reference Figure 2 In a preferred embodiment, the conductor 1 is made of electrolytic copper, which has extremely high electrical conductivity, can ensure the efficiency of current transmission inside the motor, reduce energy loss, and improve the operating efficiency of the motor.

[0033] Reference Figure 1 In a preferred embodiment, the insulating layer 3 is made of polyester paint coating, and the heat-resistant layer 4 is made of high-temperature resistant rubber. As an insulating material, the polyester paint coating has excellent insulation performance, which can effectively prevent current leakage and ensure the safety of motor operation. The heat-resistant layer 4 is made of high-temperature resistant rubber, which further improves the heat resistance of the entire wire and the durability of the wire.

[0034] Working principle: when using, the conductor 1 made of electrolytic copper ensures efficient transmission of current, the polyester paint coating as an insulating layer 3 effectively prevents current leakage, ensures the safe operation of the motor, the heat-resistant layer 4 is made of high-temperature-resistant rubber, which improves the heat resistance of the wire, the first fire-retardant layer 5, the second fire-retardant layer 6, the third fire-retardant layer 7 and the fixing strip made of carbon fiber improve the fire-retardant performance and stability of the wire, the wear-resistant mechanism enhances the wear resistance of the wire, prolongs the service life, these characteristics make the wire can work stably in high temperature, flammable and other harsh environments, ensure the reliable operation of the motor.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical scheme and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. A polyester enameled copper round wire for a high heat-resistant motor, comprising a conductor (1), an insulating layer (3), and a heat-resistant layer (4) connected to the outer circumferential wall of the insulating layer (3), characterized in that: Also includes: Flame retardant mechanism: the flame retardant mechanism is arranged on the outer wall of the heat-resistant layer (4), the first flame retardant layer (5) is connected to the circumferential outer wall of the heat-resistant layer (4), the third flame retardant layer (7) is fixed to the circumferential outer wall of the first flame retardant layer (5), the second flame retardant layer (6) is connected to the circumferential outer wall of the third flame retardant layer (7), fixing grooves are provided on the circumferential outer wall of the first flame retardant layer (5) and the circumferential inner wall of the second flame retardant layer (6), fixing strips are connected to the circumferential inner wall and the circumferential outer wall of the third flame retardant layer (7), and the fixing strips are clamped on the inner wall of the fixing groove; Wear-resistant mechanism: the wear-resistant mechanism is arranged on the circumferential outer wall of the second flame-retardant layer (6).

2. The polyester enameled round copper wire for high heat resistance motor according to claim 1, characterized in that: The fixing strip and the third flame retardant layer (7) are used in combination, and both the fixing strip and the third flame retardant layer (7) are made of carbon fiber.

3. The high heat-resistant polyester enameled round copper wire for motors according to claim 2, characterized in that: The first flame retardant layer (5) and the second flame retardant layer (6) are both made of inorganic flame retardant material.

4. The polyester enameled round copper wire for high heat resistance motor according to claim 1, characterized in that: The wear-resistant structure comprises a first wear-resistant layer (2), the first wear-resistant layer (2) is in a mesh structure, and a second wear-resistant layer (8) is connected to the upper wall of the circumferential inner wall of the first wear-resistant layer (2), and the circumferential inner wall of the second wear-resistant layer (8) is connected to the circumferential outer wall of the second flame-retardant layer (6).

5. The polyester enameled round copper wire for high heat resistance motor according to claim 4, characterized in that: The first wear-resistant layer (2) is made of nylon, and the second wear-resistant layer (8) is made of polyurethane.

6. The polyester enameled round copper wire for high heat resistance motor according to claim 5, characterized in that: The conductor (1) is made of electrolytic copper.

7. The polyester enameled round copper wire for high heat resistance motor according to claim 1, characterized in that: The insulating layer (3) is made of polyester paint coating, and the heat-resistant layer (4) is made of high-temperature resistant rubber.

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