CN216122260U

CN216122260U - Durable brushless motor controller

Info

Publication number: CN216122260U
Application number: CN202121859158.6U
Authority: CN
Inventors: 诸葛旻月
Original assignee: Nanjing Jinglian Electronic Technology Co ltd
Current assignee: Nanjing Jinglian Electronic Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-22
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a durable brushless motor controller, which relates to the technical field of brushless motors and comprises a shell, a front end cover and a rear end cover, wherein the surface of one side, positioned inside the shell, of the rear end cover is fixedly connected with a damping base, a mounting plate is movably connected with the damping base through a connecting rod, and the middle part of the other side of the mounting plate is fixedly connected with a controller. When the brushless motor vibrates during working, the vibration amplitude between the mounting plate and the vibration damping base is buffered under the action of the connecting rod and the spring, so that the vibration sense of the controller is relieved, the controller is stably fixed on one side of the mounting plate, meanwhile, the vibration damping pads and the spring are arranged at the two ends of the mounting plate, the mounting plate is prevented from vibrating up and down due to vibration, the stability of the controller is further improved, the controller is prevented from being damaged by vibration, and the service life of the controller is prolonged.

Description

Durable brushless motor controller

Technical Field

The utility model relates to the technical field of brushless motors, in particular to a durable brushless motor controller.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of heavy load under the condition of frequency conversion and speed regulation, and oscillation and step-out can not be generated when the load suddenly changes. The permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron (Nd-Fe-B) material with high magnetic energy level. Therefore, the volume of the rare earth permanent magnet brushless motor is reduced by one machine seat number compared with that of a same-capacity three-phase asynchronous motor. The prior art direct current brushless motor system includes direct current brushless motor body and controller, and the controller is with installing two kinds of modes of direct current brushless motor body: one is external, namely the controller and the direct current brushless motor body are separately installed; the other type is built-in type, and the controller is arranged in the direct current brushless motor body.

The existing brushless motor can generate certain vibration due to high-speed rotation between a stator and a rotor when in work, so that an internal controller vibrates, certain influence is caused on the controller under a long-term working state, the controller can fall off when the controller is serious, and the service life of the controller is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a durable brushless motor controller, which solves the problems that the existing brushless motor provided by the background art can generate certain vibration due to high-speed rotation between a stator and a rotor when in work, so that the internal controller vibrates, certain influence is caused on the controller under a long-term working state, and the controller can fall off when serious, thereby damaging the controller and influencing the service life of the controller.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

a durable brushless motor controller comprises a shell, a front end cover and a rear end cover, wherein one end of the shell is fixedly connected with the front end cover, the other end of the shell is fixedly connected with the rear end cover, a partition plate is fixedly arranged at one end, close to the rear end cover, inside the shell, a damping base is fixedly connected to one side surface of the rear end cover, positioned inside the shell, two end surfaces of the damping base are fixedly connected with a second connecting block, one end of the second connecting block is movably connected with a connecting rod, one end, far away from the second connecting block, of the connecting rod is fixedly connected with a first connecting block, the first connecting block is fixedly arranged in the middle of one side of a mounting plate, the mounting plate is movably connected with the damping base through the connecting rod, a controller is fixedly connected to the middle of the other side of the mounting plate, a chute is arranged at the position of four corners of one side of the damping base, and the bottom end of the first connecting block is slidably connected with the chute, one side four corners of vibration damping mount is located the first spring of below fixedly connected with of spout, the one end of first spring and a side surface looks butt of mounting panel, the inside surface of shell is close to three one end fixedly connected with fixed plates, the bottom fixedly connected with second spring of fixed plate, the one end and the connecting block fixed connection of second spring.

Preferably, the inside of shell is provided with the stator, the inside of stator is provided with first rotor, permanent magnet steel and second rotor, the inside one end of stator is provided with first rotor, the middle part of the inside stator of stator is provided with permanent magnet steel, the inside other end of stator is provided with the second rotor, the both sides surface of first rotor respectively with a side surface looks butt of first rotor and permanent magnet steel, the opposite side surface of first rotor is provided with the bearing, the internal rotation of bearing is connected with the pivot.

Preferably, the outside surface of rear end cap is seted up flutedly, the louvre has been seted up to one side of recess, a side surface of louvre is provided with waterproof ventilated membrane, a side surface of waterproof ventilated membrane is provided with the dust screen, just waterproof ventilated membrane and dust screen all imbed the inside of connecting at the recess.

Preferably, the number of the first connecting blocks and the second connecting blocks is multiple, the positions of the first connecting blocks and the positions of the second connecting blocks correspond to each other, and the first connecting blocks are fixedly connected with the second connecting blocks through connecting rods.

Preferably, one end of the rotating shaft penetrates through the front end cover and extends to one side of the outer portion of the front end cover, and the other end of the rotating shaft penetrates through the first rotor, the permanent magnetic steel and the second rotor and is fixedly connected with the first rotor, the permanent magnetic steel and the second rotor.

Preferably, a plurality of threading holes are formed in the surface of the outer edge of the partition plate, and the partition plate is made of glass fiber heat insulation materials.

Compared with the prior art, the utility model provides a durable brushless motor controller, which has the following beneficial effects:

1. when the brushless motor vibrates during working, the vibration amplitude between the mounting plate and the vibration damping base is buffered under the action of the connecting rod and the spring, so that the vibration sense of the controller is relieved, the controller is stably fixed on one side of the mounting plate, meanwhile, the vibration damping pads and the spring are arranged at the two ends of the mounting plate, the mounting plate is prevented from vibrating up and down due to vibration, the stability of the controller is further improved, the controller is prevented from being damaged by vibration, and the service life of the controller is prolonged.

2. According to the controller, the waterproof breathable film and the dustproof net are additionally arranged at the heat dissipation holes, so that the waterproof breathable film prevents water from entering the controller from the heat dissipation holes, the water controller is prevented from being short-circuited by rainwater, the smooth operation is influenced, dust is prevented from entering the controller from the heat dissipation holes by the dustproof net, the controller is prevented from being corroded by the dust, the safety of the controller is ensured, and the service life of the controller is further prolonged.

Drawings

FIG. 1 is a schematic diagram of a durable brushless motor controller according to the present invention;

FIG. 2 is a schematic view of the shock mount structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

the reference numbers in the figures are:

1. a housing; 2. a front end cover; 3. a rear end cap; 4. a stator; 5. a first rotor; 6. permanent magnetic steel; 7. a second rotor; 8. a bearing; 9. a rotating shaft; 10. a partition plate; 11. heat dissipation holes; 12. a waterproof breathable film; 13. a dust screen; 14. a damping mount; 15. mounting a plate; 16. a controller; 17. a fixing plate; 18. a first connection block; 19. a second connecting block; 20. a connecting rod; 21. a chute; 22. a first spring; 23. a second spring; 24. connecting blocks; 25. a shock-absorbing pad.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, a durable brushless motor controller comprises a housing 1, a front end cover 2 and a rear end cover 3, wherein one end of the housing 1 is fixedly connected with the front end cover 2, the other end of the housing 1 is fixedly connected with the rear end cover 3, a partition plate 10 is fixedly arranged at one end of the interior of the housing 1 close to the rear end cover 3, a shock absorption base 14 is fixedly connected with the surface of one side of the rear end cover 3 positioned in the housing 1, second connecting blocks 19 are fixedly connected with the surfaces of two ends of the shock absorption base 14, one end of each second connecting block 19 is movably connected with a connecting rod 20, one end of each connecting rod 20 far away from the corresponding second connecting block 19 is fixedly connected with a first connecting block 18, the first connecting block 18 is fixedly arranged in the middle of one side of a mounting plate 15, the mounting plate 15 is movably connected with the shock absorption base 14 through the connecting rods 20, a controller 16 is fixedly connected with the middle of the other side of the mounting plate 15, and four corners of one side of the shock absorption base 14 are provided with sliding grooves 21, bottom and the spout 21 sliding connection of first connecting block 18, one side four corners of vibration damping mount 14 is located the first spring 22 of below fixedly connected with of spout 21, the one end of first spring 22 and one side surface looks butt of mounting panel 15, the inside surface of shell 1 is close to three one end fixedly connected with fixed plate 17, the bottom fixedly connected with second spring 23 of fixed plate 17, the one end and the connecting block 24 fixed connection of second spring 23, the surface adhesion of connecting block 24 is connected with the shock pad 25, a side surface and the mounting panel 15 looks butt of shock pad 25.

Specifically, the inside of shell 1 is provided with stator 4, the inside of stator 4 is provided with first rotor 5, permanent magnet steel 6 and second rotor 7, the inside one end of stator 4 is provided with first rotor 5, the middle part of the inside stator 4 of stator 4 is provided with permanent magnet steel 6, the inside other end of stator 4 is provided with second rotor 7, the both sides surface of first rotor 5 respectively with a side surface looks butt of first rotor 5 and permanent magnet steel 6, the opposite side surface of first rotor 5 is provided with bearing 8, bearing 8's internal rotation is connected with pivot 9.

Specifically, the outside surface of rear end housing 3 is seted up flutedly, and louvre 11 has been seted up to one side of recess, and a side surface of louvre 11 is provided with waterproof ventilated membrane 12, and a side surface of waterproof ventilated membrane 12 is provided with dust screen 13, and the inside at the recess is connected in the equal embedding of waterproof ventilated membrane 12 and dust screen 13.

Specifically, the number of the first connecting blocks 18 and the second connecting blocks 19 is plural, and the positions of the first connecting blocks 18 and the second connecting blocks 19 correspond to each other, and the first connecting blocks 18 are fixedly connected with the second connecting blocks 19 through the connecting rods 20.

Specifically, one end of the rotating shaft 9 penetrates through the front end cover 2 and extends to one side of the outside of the front end cover 2, and the other end of the rotating shaft 9 penetrates through the first rotor 5, the permanent magnetic steel 6 and the second rotor 7 and is fixedly connected with the first rotor 5, the permanent magnetic steel 6 and the second rotor 7.

Specifically, a plurality of through wires holes have been seted up along the surface outward of division board 10, and a plurality of through wires holes are used for electric connection between built-in controller 14's wire and the stator 4, and division board 10 adopts the thermal-insulated material of glass fiber, and the division board 10 of thermal-insulated material prevents that the heat that produces between stator 4 and the rotor from dispelling to controller 16 around, avoids giving controller 16 inside extra heat burden that increases.

The working principle and the using process of the utility model are as follows: after the utility model is installed, when the brushless motor is used without errors after inspection, when the brushless motor works to generate vibration, the vibration amplitude between the mounting plate 15 and the damping base 14 is buffered under the action of the connecting rod 20 and the first spring 22, so that the vibration sense of the controller 16 is relieved, the controller 16 is stably fixed on one side of the mounting plate 15, meanwhile, the damping pads 25 and the second springs 23 are arranged at the two ends of the mounting plate 15, the mounting plate 15 is prevented from vibrating up and down due to vibration, the stability of the controller 16 is further improved, the controller 16 is prevented from being damaged by vibration, the service life of the controller 16 is further prolonged, water and dust are prevented from entering the controller 16 from the heat dissipation holes 11 under the action of the waterproof breathable film 12 and the dustproof net 13, the water controller 16 is prevented from being short-circuited by rainwater, the controller 16 is prevented from being corroded by dust, and the safety of the controller 1 is ensured, thereby further increasing the useful life of the controller 16.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a durability brushless motor controller, includes shell (1), front end housing (2) and rear end housing (3), its characterized in that: the one end fixedly connected with front end housing (2) of shell (1), the other end fixedly connected with rear end cap (3) of shell (1), the inside of shell (1) is close to rear end cap (3) one end fixed mounting and has division board (10), one side fixed surface that rear end cap (3) is located shell (1) inside is connected with vibration damping mount (14), the both ends fixed surface of vibration damping mount (14) is connected with second connecting block (19), the one end swing joint of second connecting block (19) has connecting rod (20), the one end that second connecting block (19) was kept away from in connecting rod (20) is connected with first connecting block (18) fixed connection, first connecting block (18) fixed mounting is in one side middle part of mounting panel (15), mounting panel (15) are through connecting rod (20) and vibration damping mount (14) swing joint, the opposite side middle part fixedly connected with controller (16) of mounting panel (15), spout (21) have been seted up to one side four corners position department of vibration damping mount (14), the bottom and spout (21) sliding connection of first connecting block (18), one side four corners of vibration damping mount (14) is located the first spring (22) of below fixedly connected with of spout (21), the one end of first spring (22) and a side surface looks butt of mounting panel (15), the inside surface of shell (1) is close to three one end fixedly connected with fixed plate (17), the bottom fixedly connected with second spring (23) of fixed plate (17), the one end and the connecting block (24) fixed connection of second spring (23), the surface adhesion of connecting block (24) is connected with shock pad (25), a side surface and mounting panel (15) looks butt of shock pad (25).

2. A robust brushless motor controller as recited in claim 1, wherein: the inside of shell (1) is provided with stator (4), the inside of stator (4) is provided with first rotor (5), permanent magnet steel (6) and second rotor (7), the inside one end of stator (4) is provided with first rotor (5), the middle part of inside stator (4) of stator (4) is provided with permanent magnet steel (6), the inside other end of stator (4) is provided with second rotor (7), the both sides surface of first rotor (5) respectively with a side surface looks butt of first rotor (5) and permanent magnet steel (6), the opposite side surface of first rotor (5) is provided with bearing (8), the internal rotation of bearing (8) is connected with pivot (9).

3. A robust brushless motor controller as recited in claim 1, wherein: the outer side surface of rear end cover (3) is seted up flutedly, louvre (11) have been seted up to one side of recess, a side surface of louvre (11) is provided with waterproof ventilated membrane (12), a side surface of waterproof ventilated membrane (12) is provided with dust screen (13), just waterproof ventilated membrane (12) and dust screen (13) all imbed the inside of connecting at the recess.

4. A robust brushless motor controller as recited in claim 1, wherein: the number of the first connecting blocks (18) and the second connecting blocks (19) is multiple, the positions of the first connecting blocks (18) and the positions of the second connecting blocks (19) correspond to each other, and the first connecting blocks (18) are fixedly connected with the second connecting blocks (19) through connecting rods (20).

5. A robust brushless motor controller as recited in claim 2, wherein: the one end of pivot (9) runs through front end housing (2) and extends to the outside one side of front end housing (2), the other end of pivot (9) runs through first rotor (5), permanent magnet steel (6), second rotor (7) and with first rotor (5), permanent magnet steel (6), second rotor (7) fixed connection.

6. A robust brushless motor controller as recited in claim 1, wherein: the outer edge surface of the partition plate (10) is provided with a plurality of threading holes, and the partition plate (10) is made of glass fiber heat insulation materials.