CN207819689U - motor - Google Patents

Abstract

The utility model embodiment provides a kind of motor, has：Stator core；Resin enclosure；Circuit board is arranged in resin enclosure, also, there is circuit board ground line pattern, ground line pattern to have notch；Metal bracket is covered in the open side of resin enclosure；And conducting pin, it is in electrical contact with stator core, also, the notch that the ground line pattern of pin and circuit board is connected is in electrical contact, conducting pin is in electrical contact with metal bracket.By the way that the conducting pin with stator core, the ground line pattern of circuit board and metal bracket electrical contact is arranged, the electrical noise generated in motor and bearing galvanic corrosion can be eliminated simultaneously, it ensure that the stabilization of the performance of motor, and, the ground line pattern of conducting pin and circuit board is in electrical contact by notch, can by circuit board from it is lateral or it is oblique be configured in motor, even if in the case where not being put into circuit board above motor, it is also possible that the ground line pattern of conducting pin and circuit board is in electrical contact.

Description

motor

technical field

The utility model relates to the electromechanical field, in particular to a motor.

Background technique

In the prior art, a motor has a housing, and a stator core and a circuit board accommodated in the housing.

It should be noted that the above introduction of the technical background is only for the convenience of a clear and complete description of the technical solution of the present invention, and for the convenience of those skilled in the art to understand. It cannot be considered that the above technical solutions are known to those skilled in the art just because these solutions are described in the background technology part of the present utility model.

Utility model content

However, in the above structure, the static electricity generated inside the motor (such as the circuit board) cannot be discharged, resulting in the generation of electrical noise. In addition, the shaft current of the motor will also cause electric corrosion of the bearing, which affects the performance of the motor.

In order to solve the above problems, the utility model provides a motor, which can eliminate the electric noise and bearing electric corrosion generated in the motor at the same time, so as to ensure the stability of the performance of the motor, and the conduction pin and the ground wire pattern of the circuit board pass through The electrical contact of the notch enables the circuit board to be placed in the motor from a horizontal or oblique direction, and even if the circuit board is not placed from above the motor, the conductive pins can be electrically contacted with the ground pattern of the circuit board.

According to a first aspect of an embodiment of the present invention, there is provided a motor, the motor has: a stator core; a resin case covering the stator core, and the resin case has an opening on one side; a circuit board , which is disposed in the resin case, and the circuit board has a ground pattern, the ground pattern has a gap; a metal bracket, which covers the open side of the resin case; and a conduction pin, It is in electrical contact with the stator core, and the conduction pin is in electrical contact with the notch of the ground pattern of the circuit board, and the conduction pin is in electrical contact with the metal bracket .

According to the second aspect of the embodiment of the present invention, wherein the conduction pin is connected to the notch of the ground pattern of the circuit board through solder.

According to the third aspect of the embodiment of the present invention, wherein, the gap of the ground wire pattern of the circuit board is U-shaped or V-shaped.

According to a fourth aspect of the embodiments of the present invention, wherein the conduction pin is formed by a single component.

According to a fifth aspect of the embodiment of the present utility model, wherein the conduction pin is composed of a plurality of components.

According to a sixth aspect of the embodiment of the present invention, wherein, the conduction pin is connected to the metal bracket through soldering.

The beneficial effect of the embodiment of the utility model is that by setting the conduction pins in electrical contact with the stator core, the ground wire pattern of the circuit board and the metal bracket, the electric noise and bearing electric corrosion generated in the motor can be eliminated at the same time, ensuring The performance of the motor is stabilized, and the conductive pins are in electrical contact with the ground pattern of the circuit board through the gap, and the circuit board can be arranged in the motor from a horizontal or oblique direction, even if the circuit board is not placed from above the motor In some cases, it is also possible to make the conduction pin electrically contact the ground pattern of the circuit board.

Embodiments of the present utility model are disclosed in detail with reference to the following description and drawings. It should be understood that the scope of the embodiments of the present invention is not limited thereby. Embodiments of the invention encompass many changes, modifications and equivalents within the spirit and scope of the appended claims.

Features described and/or illustrated with respect to one embodiment can be used in the same or similar manner in one or more other embodiments, in combination with, or instead of features in other embodiments .

It should be emphasized that the term "comprises/comprises/has" when used herein refers to the presence of a feature, integer, or component, but does not exclude the presence or addition of one or more other features, integers or components.

Description of drawings

From the following detailed description in conjunction with the accompanying drawings, the above and other purposes, features and advantages of the embodiments of the present invention will become more apparent, in the accompanying drawings:

Fig. 1 is the partial sectional view of the motor of the utility model embodiment 1;

Fig. 2 is a top view of the partial structure of the motor of Embodiment 1 of the present utility model.

Detailed ways

The foregoing and other features of the present invention will become apparent from the following description, with reference to the accompanying drawings. In the specification and accompanying drawings, specific embodiments of the present utility model are specifically disclosed, which indicate some embodiments in which the principles of the present utility model can be adopted. It should be understood that the present utility model is not limited to the described embodiments, Instead, it includes all modifications and equivalents falling within the scope of the appended claims.

In the present invention, the direction parallel to the direction extending along the central axis is called "axial direction", and the radial direction centering on the central axis is called "radial direction". It should be noted that the definition of each direction in the utility model is only for the convenience of illustrating the embodiment of the utility model, and does not limit the directions of the motor and the electrical equipment during use and manufacture.

The motor and electrical equipment of the embodiment of the present invention will be described below in conjunction with the accompanying drawings.

Example 1

Embodiment 1 provides a motor. Fig. 1 is a cross-sectional view of the motor of Embodiment 1 of the present utility model, and Fig. 2 is a top view of a part of the structure of the motor of Embodiment 1 of the present utility model.

As shown in Figures 1 and 2, the motor 100 has:

Stator core 110;

a resin case 120 covering the stator core 110, and the resin case 120 has an opening on one side;

A circuit board 130, which is disposed in the resin case 120, and the circuit board 130 has a ground pattern, and the ground pattern has a gap 131;

a metal bracket 140 covering the open side of the resin case 120; and

The conduction pin 150 is in electrical contact with the stator core 110 , and the conduction pin 150 is inserted into the gap 131 of the ground pattern of the circuit board 130 , and the conduction pin 150 is in electrical contact with the metal bracket 140 .

In this way, by setting the conduction pin 150 electrically contacting the stator core 110, the ground wire pattern of the circuit board 130, and the metal bracket 140, the electric noise and bearing electric corrosion generated in the motor can be eliminated at the same time, and the performance of the motor can be guaranteed. Stable, and the conduction pin 150 is in electrical contact with the ground pattern of the circuit board 130 through the gap 131, and the circuit board 130 can be arranged in the motor from a lateral or oblique direction, even if the circuit board is not placed from above the motor Next, it is also possible to make the conduction pin 150 electrically contact with the ground pattern of the circuit board 130 .

In this embodiment, the motor may also have components such as a rotor, a shaft, and a coil, and its specific structure may refer to the prior art.

In this embodiment, the resin case 120 covers the stator core 110 and has an opening on one side. For example, as shown in FIG. 1 , the resin case 120 has an opening 121 on the upper side.

In this embodiment, the circuit board 130 is disposed in the resin case 120 , and the circuit board 130 has a ground pattern for grounding, and the ground pattern has a notch 131 .

In this embodiment, the specific shape of the notch 131 can be determined according to the actual situation, for example, the notch 131 is U-shaped or V-shaped.

In this embodiment, the metal bracket 140 covers the opening side of the resin case 120. For example, as shown in FIG. side.

In this embodiment, the conduction pin 150 is in electrical contact with the stator core 110, and the conduction pin 150 is in electrical contact with the notch 131 of the ground pattern of the circuit board 130, and the conduction pin 150 is in electrical contact with the metal bracket 140. electrical contact.

In this embodiment, for example, the conduction pin 150 may extend in an axial direction (a direction parallel to the axis OO').

In this embodiment, the conduction pin 150 may be composed of a single component, or may be composed of multiple components.

In this embodiment, the conduction pin 150 may be inserted into the stator core 110 to be in electrical contact with the stator core 110 .

In this embodiment, the conduction pin 150 and the notch 131 of the ground pattern of the circuit board 130 can be connected by soldering, so as to realize electrical contact.

In this embodiment, the conduction pin 150 and the metal bracket 140 may be connected by soldering so as to be in electrical contact.

It can be seen from the above-mentioned embodiments that by setting the conduction pins in electrical contact with the stator core, the ground wire pattern of the circuit board, and the metal bracket, the electrical noise generated in the motor and the electric corrosion of the bearing can be eliminated at the same time, and the performance of the motor can be guaranteed. stable, and the conduction pins are in electrical contact with the ground pattern of the circuit board through the gap, and the circuit board can be arranged in the motor from the horizontal or oblique direction, even if the circuit board is not placed from above the motor, The conduction pin can be brought into electrical contact with the ground pattern of the circuit board.

Example 2

Embodiment 2 provides an electrical device. The electrical equipment has a motor, which is as described in Embodiment 1, and will not be repeated here.

It can be seen from the above-mentioned embodiments that by setting the conduction pins in electrical contact with the stator core, the ground wire pattern of the circuit board, and the metal bracket, the electrical noise generated in the motor and the electric corrosion of the bearing can be eliminated at the same time, and the performance of the motor can be guaranteed. stable, and the conduction pins are in electrical contact with the ground pattern of the circuit board through the gap, and the circuit board can be arranged in the motor from the horizontal or oblique direction, even if the circuit board is not placed from above the motor, The conduction pin can be brought into electrical contact with the ground pattern of the circuit board.

In this embodiment, the electrical equipment can be any electrical equipment using motors, for example, the electrical equipment can also be audio equipment, projectors, communication equipment, power supplies, air purifiers, medical equipment, induction cookers, etc. using motors.

The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, indicating the manner in which the principle of the utility model can be adopted. However, it should be understood that the implementation of the present utility model is not limited to the above-mentioned embodiments, but also includes all changes, modifications and equivalents that do not depart from the gist of the present utility model.

Claims (6)

1. a kind of motor, which is characterized in that the motor has：

Stator core；

Resin enclosure covers the stator core, also, the resin enclosure has opening in side；

Circuit board is arranged in the resin enclosure, also, the circuit board has ground line pattern, described ground line pattern tool It is jagged；

Metal bracket is covered in the open side of the resin enclosure；And

Pin is connected, is in electrical contact with the stator core, also, the described ground line chart of the conducting pin and the circuit board The notch of case is in electrical contact, and the conducting pin is in electrical contact with the metal bracket.

2. motor according to claim 1, which is characterized in that

The conducting pin is connect by scolding tin with the notch of the described ground line pattern of the circuit board.

3. motor according to claim 1, which is characterized in that

The notch of the described ground line pattern of the circuit board is U-shaped or V-shaped.

4. motor according to claim 1, which is characterized in that

The conducting pin is made of single component.

5. motor according to claim 1, which is characterized in that

The conducting pin is formed by multiple component combinations.

6. motor according to claim 1, which is characterized in that

The conducting pin is connect with the metal bracket by scolding tin.