CN221575089U - Brushless motor detection device based on Hall sensor - Google Patents

Abstract

The utility model relates to the field of brushless motor detection devices and discloses a brushless motor detection device based on a Hall sensor, which comprises a connecting shaft, wherein a second shell part is fixedly arranged on the side wall of the connecting shaft, a plurality of iron cores are fixedly arranged at the bottom end of the second shell part, coils are fixedly arranged on the side walls of the iron cores, the Hall sensor is fixedly arranged on one side, far away from the second shell part, of the connecting shaft, a lantern ring is fixedly arranged on one side, far away from the Hall sensor, four fan blades are fixedly arranged on the side wall of the lantern ring, and a bearing is fixedly arranged on one side, far away from the Hall sensor, of the lantern ring. According to the utility model, the device performs heat dissipation operation on the brushless motor through the mechanism provided with the heat dissipation holes, the fan blades, the lantern ring and the like, the motor performance is reduced, damaged or even burnt due to overheat of the inner iron core of the brushless motor, and the efficient operation of the device is ensured through the heat dissipation of the inner iron core through the fan blades and the like arranged on the shaft.

Description

Brushless motor detection device based on hall sensor

Technical Field

The utility model relates to the field of brushless motor detection devices, in particular to a brushless motor detection device based on a Hall sensor.

Background

Brushless motor is a special DC motor, its theory of operation is based on permanent magnet synchronous technique. Compared with the traditional brush direct current motor, the brushless motor has the advantages of high efficiency, low energy consumption, low noise, ultra-long service life, high reliability and the like, and is widely applied to various fields such as aeromodelling, electric tools, household appliances, automobiles and the like.

However, the internal iron core of the existing brushless motor can generate heat when in use. Accordingly, a brushless motor detecting device based on a hall sensor is provided by a person skilled in the art to solve the problems set forth in the background art described above.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a brushless motor detection device based on a Hall sensor, which is provided with a mechanism such as a heat dissipation hole, a fan blade, a lantern ring and the like to conduct heat dissipation operation on a brushless motor, wherein the motor performance is reduced, damaged or even burnt due to overheat of an internal iron core of the brushless motor, and the efficient operation of the device is ensured by conducting heat dissipation on the internal iron core through the fan blade and the like arranged on a shaft.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the brushless motor detection device based on the Hall sensor comprises a connecting shaft, and a second shell piece is fixedly arranged on the side wall of the connecting shaft.

Further, a plurality of iron cores are fixedly arranged at the bottom end of the second shell piece;

Through the technical scheme, the magnetic field energy can be transmitted from the stator to the rotor through the action of the iron core, so that the rotor is driven to rotate.

Further, coils are fixedly arranged on the side walls of the iron cores;

By the technical scheme, when current passes through the coil, the coil can generate a magnetic field according to ampere law.

Further, a Hall sensor is fixedly arranged on one side of the connecting shaft far away from the second shell piece;

Through the technical scheme, the Hall sensor has high detection sensitivity to the magnetic field, and can detect very weak magnetic field.

Further, a lantern ring is fixedly arranged on one side of the Hall sensor;

through above-mentioned technical scheme, the setting of lantern ring can support the flabellum.

Further, four fan blades are fixedly arranged on the side wall of the lantern ring;

Through the technical scheme, the fan blades rotate along with the connecting shaft to dissipate heat.

Further, a bearing is fixedly arranged on one side of the lantern ring far away from the Hall sensor;

through above-mentioned technical scheme, the effectual rotation of connecting axle is guaranteed to the bearing.

Further, the side wall of the bearing is fixedly provided with a first shell piece;

through the technical scheme, the first shell piece is arranged to protect the internal components.

The utility model has the following beneficial effects:

1. According to the brushless motor detection device based on the Hall sensor, disclosed by the utility model, the brushless motor is subjected to heat radiation operation by the mechanism such as the heat radiation hole, the fan blade and the lantern ring, the performance of the motor is reduced, the motor is damaged or even burnt due to overheat of the inner iron core of the brushless motor, and the efficient operation of the device is ensured by the fact that the fan blade and the like are arranged on the shaft to radiate the inner iron core.

2. The brushless motor detection device based on the Hall sensor provided by the utility model has the advantages that the Hall sensor can rapidly detect and respond to magnetic field changes, the device is suitable for real-time monitoring and high in control sensitivity, the Hall sensor can detect the magnetic field in the motor, the detection of whether the damage device occurs in the motor is facilitated, and the heat dissipation mechanism is arranged to dissipate the heat of the Hall sensor so as to prevent the detection precision from being influenced by overheat.

Drawings

Fig. 1 is an exploded view of a brushless motor detecting device based on a hall sensor according to the present utility model;

Fig. 2 is an enlarged view of a fan blade axis of the brushless motor detecting device based on the hall sensor according to the present utility model;

fig. 3 is a top view of a brushless motor detecting device based on a hall sensor according to the present utility model;

fig. 4 is a front view of a brushless motor detecting device based on a hall sensor according to the present utility model;

fig. 5 is an isometric view of a second housing member of the hall sensor based brushless motor detection apparatus according to the present utility model.

Legend description:

1. A first housing member; 2. a bearing; 3. a collar; 4. a coil; 5. a heat radiation hole; 6. a connecting shaft; 7. a second housing member; 8. an iron core; 9. a hall sensor; 10. and (3) a fan blade.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other examples, which are obtained by persons of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the present utility model based on the examples herein, and it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present utility model. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1-5, one embodiment provided by the present utility model; the brushless motor detection device based on the Hall sensor comprises a connecting shaft 6, and a second shell piece 7 is fixedly arranged on the side wall of the connecting shaft 6.

The bottom end fixing of second shell piece 7 is provided with a plurality of iron cores 8, the effect of iron cores 8 makes magnetic field energy can be transmitted to the rotor from the stator, thereby drive the rotor to rotate, the lateral wall of a plurality of iron cores 8 is all fixed to be provided with coil 4, when the electric current passes through coil 4, according to ampere's law, coil 4 can produce the magnetic field, the fixed hall sensor 9 that is provided with in one side that the connecting axle 6 kept away from second shell piece 7, hall sensor 9 is very high to the detection sensitivity of magnetic field, very weak magnetic field can be detected, the fixed lantern ring 3 that is provided with in one side of hall sensor 9, the setting of lantern ring 3 can support flabellum 10, the fixed four flabellums 10 that are provided with in lateral wall of lantern ring 3, flabellum 10 rotates along with the connecting axle 6 and dispels the heat, the fixed bearing 2 that is provided with in one side that the lantern ring 3 kept away from hall sensor 9, bearing 2 guarantees the effectual rotation of connecting axle 6, the lateral wall of bearing 2 is fixed be provided with first shell piece 1, the setting of first shell piece 1 is used for protecting inside components and parts.

Working principle: the Hall sensor 9 can rapidly detect and respond to magnetic field changes, the motor is suitable for real-time detection and high in control sensitivity, the Hall sensor 9 can conveniently detect whether the damage device is arranged in the motor in a detection mode through being provided with a heat dissipation mechanism to dissipate heat to the Hall sensor 9 so as to prevent overheat influence detection precision, the motor is subjected to heat dissipation operation through being provided with mechanisms such as a heat dissipation hole 5, a fan blade 10, a lantern ring 3 and the like, the motor performance of the motor can be reduced, the motor is damaged or even burnt due to overheat of an internal iron core 8 of the motor, and the efficient operation of the motor is guaranteed through the fact that the fan blade 10 and the like are arranged on a shaft to dissipate heat to the internal iron core 8.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (5)

1. Brushless motor detection device based on hall sensor, including connecting axle (6), its characterized in that: the side wall of connecting axle (6) is fixed and is provided with second shell piece (7), the bottom mounting of second shell piece (7) is provided with a plurality of iron cores (8), and is a plurality of the lateral wall of iron core (8) is all fixed and is provided with coil (4), one side that connecting axle (6) kept away from second shell piece (7) is fixed and is provided with hall sensor (9).

2. The hall sensor-based brushless motor detection apparatus according to claim 1, wherein: one side of the Hall sensor (9) is fixedly provided with a lantern ring (3).

3. The hall sensor-based brushless motor detection apparatus according to claim 2, wherein: four fan blades (10) are fixedly arranged on the side wall of the lantern ring (3).

4. The hall sensor-based brushless motor detection apparatus according to claim 2, wherein: one side of the lantern ring (3) far away from the Hall sensor (9) is fixedly provided with a bearing (2).

5. The hall sensor-based brushless motor detection apparatus according to claim 4, wherein: the side wall of the bearing (2) is fixedly provided with a first housing part (1).