CN201118303Y

CN201118303Y - An electromotor using aluminum enamelled wire winding

Info

Publication number: CN201118303Y
Application number: CNU2007201920406U
Authority: CN
Inventors: 张祥飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-07
Filing date: 2007-11-07
Publication date: 2008-09-17
Anticipated expiration: 2017-11-07

Abstract

A motor which adopts aluminum enameled wire winding comprises an aluminum enameled wire winding and a copper lead wire. One end of the aluminum enameled wire is winded on one end of the copper lead wire after paint removal is welded with a thinning layer on the outside. A heat shrinkable tube is sleeved on the outside of the layer of the insulating material. The utility model has the advantages that: 1. the layer of the insulating material coated on the surface of the welded joint between the copper conductor and the aluminum conductor can prevent the corrosion of the external air and vapor, prevent the oxidation of the surface of the welded joint and assure the conductive property of the motor. 2. The heat shrinkable tube on the outside of the layer of the insulating material closely enwraps on the surface of the welded joint after heat shrinkage, which can play the role of protection, effectively prevent the welded joint from being hurt by external force such as collision force in winding, and at the same time prevent the corrosion of the air and the vapor, thus enhancing the service life of the product.

Description

A kind of motor that adopts the aluminium enamel-covered wire winding

Technical field

The utility model relates to a kind of motor.

Background technology

Because the copper valency is surging, motor also sharp rises with copper enamelled wire price, many motor manufacturing enterprise has adopted aluminium enamel-covered wire to come the instead of copper enamelled wire, but because the connecting line of motor is necessary for copper cash, because the fusion temperature difference between copper and the aluminium, be difficult for welding, the connection difficult problem of copper aluminum conductor therefore thereupon occurred.

At present being connected between copper cash and aluminum steel adopts crimping or clinching method to carry out usually; Also having heating tools such as adopting electric iron to carry out scolding tin handles.Adopt crimping and clinching method to handle, can't solve the problem of oxidation of material junction.Heating tools such as employing electric iron carry out scolding tin to be handled, because the fusing point difference of aluminum bronze, rosin joint or dry joint phenomenon very easily appear in temperature drift or the welding quality that all has a strong impact on the low side; And the exposed part of the aluminum conductor joint that depainting is handled is difficult to all seal, and still there is oxidation hidden danger in the aluminum conductor of exposed section, finally influences welding quality and useful life.

Adopt the thermofussion welding method, scolding tin can better encapsulate welding point, and relative useful life is much longer, if but damaged by external force, or the thermal expansion that temperature rise causes in using also may make the welding point spalling; Above-mentioned influence can make the easy oxidation of defect again, and then influences the useful life of motor.

Summary of the invention

Technical problem to be solved in the utility model is for the above-mentioned deficiency that overcomes prior art provides a kind of motor that adopts the aluminium enamel-covered wire winding, make that its copper cash and aluminum steel junction are protected better, aluminum steel is difficult for oxidation and good product quality, life-span long.

The utility model solves the problems of the technologies described above the technical scheme that is adopted:

A kind of motor that adopts the aluminium enamel-covered wire winding, comprise aluminium enamel-covered wire winding and copper lead wire, it is characterized in that: the end behind the described aluminium enamel-covered wire depainting is on copper lead wire one end and outside weld one tin layer, the tin layer has an insulation coating outward, puts thermal contraction casing tube outside insulation coating.

Compared with prior art, advantage of the present utility model is:

1, copper, aluminum conductor welding point surface scribble insulation coating, can prevent the erosion of outside air, steam etc., prevent the oxidation on welding point surface well, guarantee the electric conductivity of motor.

2, insulation coating tyre thermal contraction casing tube, after thermal contraction, tightly be wrapped in the welding point surface, can play protective action, can effectively prevent external force such as welding point is collided damage in winding is tied up, further prevent simultaneously the erosion of air and steam etc., thereby improve the useful life of product.

Description of drawings

Fig. 1 is the structural representation at winding joint place of the motor of the utility model embodiment.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

The agent structure of motor of the present utility model is identical with existing motor, and just its winding that adopts is an aluminium enamel-covered wire, junction such as Fig. 1 of its aluminium enamel-covered wire and copper connecting line.

As shown in Figure 1, aluminium enamel-covered wire 1 uniform winding behind the described depainting is on copper connecting line 2 and outside weld one tin layer 6, and tin layer 6 surface are outer to be coated with an insulation coating 4, puts thermal contraction casing tube 3 outside insulation coating 4.

Above-mentioned thermal contraction casing tube 3 can be the PVC heat-shrinkable tube.

During assembling motor, when copper, aluminum conductor welding, earlier aluminium enamel-covered wire one end depainting is made it exposed, then with the terminals of exposed aluminium enamel-covered wire part uniform winding at the copper connecting line, be coated with the coating of last layer insulation more outside, outside insulation coating, put the PVC heat-shrinkable tube of corresponding internal diameter after the curing again, with hair dryer or warm equipment heating and make its contraction, pvc pipe after the contraction tightly is wrapped in the welding point outside, the external force damage can be prevented well, the erosion of air and steam etc. can also be prevented.

Claims

1, a kind of motor that adopts the aluminium enamel-covered wire winding, comprise aluminium enamel-covered wire winding and copper lead wire, it is characterized in that: the end behind the described aluminium enamel-covered wire depainting is on copper lead wire one end and outside weld one tin layer, the tin layer has an insulation coating outward, puts thermal contraction casing tube outside insulation coating.

2, the motor of employing aluminium enamel-covered wire winding as claimed in claim 1 is characterized in that: described thermal contraction casing tube is the PVC thermal contraction casing tube.