Economical and practical micro DC air pump motor for automobile

Abstract

The invention relates to an economical and practical micro DC air pump motor for an automobile. The economical and practical micro DC air pump motor for the automobile comprises a micro motor body, L-shaped plug-in sheets and a filter capacitor, wherein the micro motor body is provided with power supply blade terminals; the L-shaped plug-in sheets are arranged on the power supply blade terminals in a spot welding mode; the filter capacitor is directly arranged between the L-shaped plug-in sheets in a spot welding and straddling mode through electrical pins. Because the filter capacitor is directly arranged between the power supply blade terminals in a spot welding and straddling mode, a traditional special electrical circuit board for the filter capacitor is omitted; consequently, the length of the motor is effectively reduced, the size of the motor is effectively reduced, the product structure and production process are simplified, the production cost of the motor is lowered beneficially, and use convenience is enhanced; moreover, by the adoption of the temperature-resistant and shock-resistant spot welding process, welding spots of the motor can be effectively prevented from ageing, loosening and even falling off in the using process, long-term operating stability and reliability of the motor are guaranteed beneficially, safety operation and reduction of maintenance cost of the automobile provided with the micro DC air pump motor are also facilitated, and the economical and practical micro DC air pump motor is an ideal upgraded product of an existing micro DC air pump motor for the automobile.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to an economical and practical miniature DC air pump motor for automobiles. Background technique [0002] At present, the working current of the rotor in the micro DC motor used for driving the air pump of the automobile engine is introduced by the power supply lug protruding from the motor end cover, and obtained through the contact transmission between the brush and the commutator fixedly arranged on the motor brush holder. When working, electric sparks will be generated between the contacts, resulting in the generation of electromagnetic waves that will interfere with the normal operation of other electrical appliances. At present, the method of setting ground capacitance inside the micro motor is generally used to suppress it, but due to the limitation of the internal space of the motor, Therefore, the general capacity is relatively small, the suppression effect is poor, and ...

AI Technical Summary

Problems solved by technology

Since the special electrical circuit board needs to be artificially processed and installed, it involves some additional production costs and production processes; the air pump motor after the additional special electrical circuit board is generally relatively long overall, and needs to occupy a large space for use. It is inconvenient to use it in a tight space, especially in a compact space; the filter capacitor and the electrical circuit board are fixedly installed by the conventional soldering process. The air pump motor works in a harsh environment with relatively high temperature and frequent vibration for a long time. The solder joints are easy to age, loosen, or even fall off, which will affect the reliability of the product and even affect the safe operation of the car; in addition, the automotive micro DC Although the air pump motor is only an inconspicuous small and cheap part in the car, it plays an important role in the normal operation of the car. In view of the objective quality and working life of the current traditional products, it becomes a must in every maintenance process of the car. The first part to be replaced, so the replacement is frequent, the amount of use is large, and it is discarded at will without maintenance, which not only increases the maintenance cost, but also produces a serious waste of resources

Therefore, the current structure of the automotive micro DC air pump motor generally has many disadvantages such as unreasonable structure, relatively complicated production process, relatively high product cost and use cost, and difficulty in guaranteeing work reliability and service life. , practicability and safety of automobile operation, it is unsatisfactory

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