CN212785117U

CN212785117U - Energy-saving permanent magnet brushless direct current motor

Info

Publication number: CN212785117U
Application number: CN202021920933.XU
Authority: CN
Inventors: 陶亚君; 缪海波
Original assignee: Changzhou Baiyuan Motor Co ltd
Current assignee: Changzhou Baiyuan Motor Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-03-23
Anticipated expiration: 2030-09-07

Abstract

The utility model relates to a brushless DC motor technical field just discloses an energy-conserving permanent magnetism brushless DC motor, which comprises a housin, the inside fixed mounting of casing has two dust collars of bilateral symmetry distribution, left side the inside fixed mounting of dust collar has the output shaft with right side dust collar fixed connection, the outside fixed mounting of output shaft has the collar, the outside fixed mounting of collar has the rotor, the outside fixed mounting of rotor has the coil, the inside fixed mounting of casing has the bearing of bilateral symmetry distribution. This energy-conserving permanent magnetism brushless DC motor possesses advantages such as two output and radiating effect are good, has solved prior art, and brushless DC motor most only has an output shaft, when two loads in step are driven to needs and rotate, needs two motors or other transmission structure to realize, and it is very inconvenient to use, and current brushless DC motor radiating efficiency is extremely low simultaneously, influences the problem that the motor used.

Description

Energy-saving permanent magnet brushless direct current motor

Technical Field

The utility model relates to a brushless DC motor technical field specifically is an energy-conserving permanent magnetism brushless DC motor.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product, the brushless motor refers to a motor without a brush and a commutator (or a collecting ring), also called a commutator-free motor, and as early as the birth of the nineteenth century, the generated practical motor is in a brushless form, namely an alternating current squirrel-cage asynchronous motor, the motor is widely applied, however, the asynchronous motor has many defects which cannot be overcome, so that the motor technology is slowly developed, and transistors are born in the middle of the last century, therefore, the direct current brushless motor adopting a transistor commutation circuit to replace the brush and the commutator is just in due course, the novel brushless direct current motor is called an electronic commutation type direct current motor, and the defects of the first-generation brushless motor are overcome.

In the prior art, most of brushless direct current motors only have one output shaft, when two loads in synchronization are driven to rotate by needs, two motors or other transmission structures are needed to realize the brushless direct current motors, the brushless direct current motors are very inconvenient to use, and meanwhile, the current brushless direct current motors are extremely low in heat dissipation efficiency and influence the use of the motors, so that the energy-saving permanent magnet brushless direct current motors are provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides an energy-conserving permanent magnetism brushless DC motor possesses two outputs and radiating effect advantage such as good, has solved prior art, and brushless DC motor most only has an output shaft, when needs drive two synchronous loads and rotate, needs two motors or other transmission structure to realize, and it is very inconvenient to use, and current brushless DC motor radiating efficiency is extremely low simultaneously, influences the problem that the motor used.

(II) technical scheme

For realizing the good purpose of above-mentioned two outputs and radiating effect, the utility model provides a following technical scheme: an energy-saving permanent magnet brushless direct current motor comprises a shell, wherein two dustproof rings which are bilaterally symmetrically distributed are fixedly installed inside the shell, an output shaft fixedly connected with the dustproof ring on the right side is fixedly installed inside the dustproof ring on the left side, a mounting ring is fixedly installed on the outer side of the output shaft, a rotor is fixedly installed on the outer side of the mounting ring, a coil is fixedly installed on the outer side of the rotor, bearings which are bilaterally symmetrically distributed are fixedly installed inside the shell, a commutator is fixedly installed inside the shell, a sliding ring is movably installed inside the shell, a heat dissipation cavity is formed inside the shell, a cooling fin is fixedly installed inside the heat dissipation cavity, a handle is fixedly installed at the top of the shell, a fan is fixedly installed inside the handle, and a net pipe which is positioned on the right side of the fan is fixedly installed, two stators which are symmetrically distributed in the front and the back are fixedly arranged in the shell.

Preferably, both ends all run through and extend to the outside of casing about the output shaft, and two bearings all with output shaft fixed connection.

Preferably, the two bearings are located on opposite sides of the two dustproof rings and are movably connected with the two dustproof rings respectively.

Preferably, the top of the heat dissipation cavity penetrates through and extends to the inside of the handle, and the heat dissipation cavity is respectively communicated with two ends of the net tube.

Preferably, a partition board is fixedly installed inside the net pipe and is positioned on the right side of the fan.

Preferably, the position of the slip ring and the position of the commutator are distributed in bilateral symmetry, and the slip ring and the commutator are both positioned on opposite sides of the two bearings.

(III) advantageous effects

Compared with the prior art, the utility model provides an energy-conserving permanent magnetism brushless DC motor possesses following beneficial effect:

this energy-conserving permanent magnetism brushless DC motor, the electric current passes through in the leading-in coil of commutator, make the rotor rotate in the inboard of two stators after the coil circular telegram, the rotor rotates and drives the output shaft and rotate in the inside of two bearings, the both ends of output shaft all extend to the outside of casing, need not transmission structure or a plurality of motor, can realize driving two synchronous loads and rotate, the fan rotates and drives the inside air current in heat dissipation chamber and carry out the circulation replacement, the air current passes through the network management on baffle right side and gets into, the air current circulation is through fin and heat dissipation chamber, finally discharge the air current from the left network management of baffle under the effect of fan, discharge the heat, promote the radiating effect of casing, two output and the good mesh of radiating effect have been reached.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a left side sectional view of the heat dissipation cavity structure of the present invention.

In the figure: 1. a housing; 2. a dust ring; 3. an output shaft; 4. a bearing; 5. a heat dissipation cavity; 6. a stator; 7. a mounting ring; 8. a rotor; 9. a heat sink; 10. a slip ring; 11. a commutator; 12. a coil; 13. a fan; 14. network management; 15. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: an energy-saving permanent magnet brushless direct current motor comprises a shell 1, two dustproof rings 2 which are bilaterally symmetrically distributed are fixedly installed inside the shell 1, an output shaft 3 which is fixedly connected with the dustproof ring 2 on the right side is fixedly installed inside the dustproof ring 2 on the left side, a mounting ring 7 is fixedly installed outside the output shaft 3, a rotor 8 is fixedly installed outside the mounting ring 7, a coil 12 is fixedly installed outside the rotor 8, bearings 4 which are bilaterally symmetrically distributed are fixedly installed inside the shell 1, the left end and the right end of the output shaft 3 penetrate through and extend to the outside of the shell 1, the two bearings 4 are fixedly connected with the output shaft 3, the two bearings 4 are positioned on the opposite sides of the two dustproof rings 2, the two bearings 4 are respectively movably connected with the two dustproof rings 2, a commutator 11 is fixedly installed inside the shell 1, a sliding ring 10 is movably installed inside the shell 1, a heat dissipation cavity 5 is formed inside the shell 1, the inside of the heat dissipation cavity 5 is fixedly provided with a heat radiation fin 9, the top of the shell 1 is fixedly provided with a handle 15, the inside of the handle 15 is fixedly provided with a fan 13, the model of the fan 13 can be DXW1688-12130, the top of the heat dissipation cavity 5 penetrates through and extends to the inside of the handle 15, the heat dissipation cavity 5 is respectively communicated with two ends of a mesh tube 14, the inside of the handle 15 is fixedly provided with a mesh tube 14 positioned at the right side of the fan 13, the inside of the mesh tube 14 is fixedly provided with a partition plate positioned at the right side of the fan 13, the inside of the shell 1 is fixedly provided with two stators 6 which are symmetrically distributed from front to back, the position of the slip ring 10 and the position of the commutator 11 are symmetrically distributed from left to right, the slip ring 10 and the commutator 11 are positioned at the opposite sides of the two bearings 4, current is led into the coil 12 through the commutator 11, rotor 8 rotates and drives output shaft 3 and rotates in the inside of two bearings 4, the both ends of output shaft 3 all extend to the outside of casing 1, need not drive structure or a plurality of motor, can realize driving two synchronous loads and rotate, fan 13 rotates and drives the inside air current in heat dissipation chamber 5 and carry out the circulation replacement, the air current passes through the net pipe 14 on baffle right side and gets into, the air current circulates through fin 9 and heat dissipation chamber 5, finally discharge the air current from the left net pipe 14 of baffle under fan 13's effect, discharge the heat, promote the radiating effect of casing 1, two output and the good mesh of radiating effect have been reached.

To sum up, in the energy-saving permanent magnet brushless dc motor, current is led into the coil 12 through the commutator 11, the coil 12 is electrified to enable the rotor 8 to rotate at the inner sides of the two stators 6, the rotor 8 rotates to drive the output shaft 3 to rotate inside the two bearings 4, both ends of the output shaft 3 extend to the outside of the housing 1, no transmission structure or multiple motors are needed, two loads which are synchronous can be driven to rotate, the fan 13 rotates to drive the airflow inside the heat dissipation cavity 5 to perform circulation replacement, the airflow enters through the network tube 14 at the right side of the partition plate, the airflow circulates through the heat dissipation fins 9 and the heat dissipation cavity 5, and finally the airflow is discharged from the network tube 14 at the left side of the partition plate under the action of the fan 13 to discharge heat, thereby promoting the heat dissipation effect of the housing 1, achieving the purpose of good heat dissipation effect at two output ends, and solving the problem that in the prior art, most of the brushless, when two loads in synchronization need to be driven to rotate, two motors or other transmission structures are needed to realize, the use is very inconvenient, and meanwhile, the heat dissipation efficiency of the existing brushless direct current motor is extremely low, so that the use of the motor is influenced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an energy-conserving permanent magnetism brushless DC motor, includes casing (1), its characterized in that: the anti-theft device is characterized in that two dust rings (2) which are distributed in bilateral symmetry are fixedly mounted inside the shell (1), the left side is characterized in that an output shaft (3) fixedly connected with the right dust ring (2) is fixedly mounted inside the dust ring (2), a mounting ring (7) is fixedly mounted outside the output shaft (3), a rotor (8) is fixedly mounted outside the mounting ring (7), a coil (12) is fixedly mounted outside the rotor (8), bearings (4) which are distributed in bilateral symmetry are fixedly mounted inside the shell (1), a commutator (11) is fixedly mounted inside the shell (1), a slip ring (10) is movably mounted inside the shell (1), a heat dissipation cavity (5) is formed inside the shell (1), cooling fins (9) are fixedly mounted inside the heat dissipation cavity (5), and a handle (15) is fixedly mounted at the top of the shell (1), the fan (13) is fixedly installed in the handle (15), the net pipe (14) located on the right side of the fan (13) is fixedly installed in the handle (15), and the two stators (6) which are symmetrically distributed in the front and the back are fixedly installed in the shell (1).

2. An energy-saving permanent magnet brushless dc motor according to claim 1, characterized in that: the left end and the right end of the output shaft (3) penetrate through and extend to the outer side of the shell (1), and the two bearings (4) are fixedly connected with the output shaft (3).

3. An energy-saving permanent magnet brushless dc motor according to claim 1, characterized in that: two bearing (4) all are located the relative one side of two dust collars (2), and two bearing (4) respectively with two dust collars (2) swing joint.

4. An energy-saving permanent magnet brushless dc motor according to claim 1, characterized in that: the top of the heat dissipation cavity (5) penetrates through and extends into the handle (15), and the heat dissipation cavity (5) is respectively communicated with two ends of the net pipe (14).

5. An energy-saving permanent magnet brushless dc motor according to claim 1, characterized in that: the inside fixed mounting of network management (14) has the baffle, and the baffle is located the right side of fan (13).

6. An energy-saving permanent magnet brushless dc motor according to claim 1, characterized in that: the position of the slip ring (10) and the position of the commutator (11) are distributed in bilateral symmetry, and the slip ring (10) and the commutator (11) are both positioned on the opposite sides of the two bearings (4).