CN216929811U

CN216929811U - High-torque driving system of direct-current brushless motor

Info

Publication number: CN216929811U
Application number: CN202123408578.5U
Authority: CN
Inventors: 韩正国
Original assignee: Changzhou Hejie Motor Co ltd
Current assignee: Changzhou Hejie Motor Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-08
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of driving systems, and discloses a large-torque driving system of a brushless direct-current motor, which comprises a motor main body, an electronic switch circuit board and a position sensor, wherein a shell is arranged at the top of the motor main body, a clamping mechanism is arranged between two sides of the shell and the motor main body, the electronic switch circuit board is fixedly arranged in the shell, the position sensor is arranged at the top of the electronic switch circuit board, two plug bushes are symmetrically and fixedly arranged at the bottom of the electronic switch circuit board, two plug pins are symmetrically arranged at the top of the motor main body, the tail ends of the two plug pins extend into the shell and are inserted into the plug bushes, a connecting mechanism is arranged between the plug bushes and the plug pins, an opening is arranged at the top of the shell, and a shell cover is arranged at the opening. According to the utility model, the electronic switch circuit board and the position sensor are externally arranged outside the motor main body, so that the disassembly and maintenance of workers are facilitated.

Description

High-torque driving system of direct-current brushless motor

Technical Field

The utility model relates to the technical field of driving systems, in particular to a large-torque driving system of a direct-current brushless motor.

Background

The direct current servo driving system is used for eliminating outer frame interference torque in an inertial instrument, a brush direct current torque motor is used as an actuating mechanism in the existing brush direct current servo driving system, and due to the fact that an electric brush and a commutator exist on a mechanical structure, friction exists when the motor runs, and in the long-time working process, sparking is prone to occurring, so that poor contact of an electric brush assembly is caused, and system working abnormity is caused. Therefore, the non-contact commutation of the motor armature winding current is realized by utilizing an electronic switch circuit board (a position signal preprocessing circuit, a commutation logic processing circuit, a six-path optical coupler and a linear control power driving circuit) and a position sensor (a photoelectric encoder), thereby eliminating the defects of sparking and poor contact of the electric brush of a brushed direct current servo driving system.

However, the existing electronic switch circuit board (a position signal preprocessing circuit, a reversing logic processing circuit, a six-way optical coupler and a linear control power driving circuit) and the position sensor (a photoelectric encoder) are all built-in, so that the electronic switch circuit board is inconvenient for workers to disassemble, assemble and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that an electronic switch circuit board and a position sensor are internally arranged and are inconvenient to maintain in the prior art, and provides a large-torque driving system of a brushless direct current motor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a big moment actuating system of brushless DC motor, includes motor main part, electronic switch circuit board and position sensor, the top of motor main part is equipped with the casing, the both sides of casing with establish clamping mechanism between the motor main part, electronic switch circuit board fixed mounting in the inside of casing, position sensor install in the top of electronic switch circuit board, the fixed two plug bushes that are equipped with of bottom symmetry of electronic switch circuit board, the top symmetry of motor main part is equipped with two and participates in, two the end of participating in extends to the inside of casing and pegs graft with the plug bush and set up, the plug bush with participate in between be equipped with coupling mechanism, the top of casing is equipped with the opening, and the opening part is equipped with the cap.

Preferably, the clamping mechanism comprises an inserting column, an inserting ring, a connecting block, a first spring and a clamping seat, the inserting column is fixedly arranged at the top of the motor main body, the inserting ring is fixedly arranged on the side wall of the shell, the inserting column penetrates through the inside of the inserting ring, a cavity is arranged inside the inserting column, the connecting block is located inside the cavity, the side wall of the connecting block passes through the first spring and is fixedly connected with the side wall of the cavity, the clamping seat is fixedly arranged on one side, away from the first spring, of the connecting block, and one side, away from the clamping seat, of the connecting block extends to the outside of the inserting column and is clamped with the inserting ring.

Preferably, one side of the clamping seat positioned outside the inserting column is arranged by adopting an inclined plane.

Preferably, the connecting mechanism comprises a connecting sheet, a second spring and a connecting line, the connecting line is arranged at the bottom of the electronic switch circuit board, the other end of the connecting line extends to the inside of the plug bush and is fixedly connected with the connecting sheet, the upper side of the connecting sheet is fixedly connected with the inner side wall of the plug bush through the second spring, and the lower side of the connecting sheet is abutted to the top of the plug pin.

Preferably, both sides of the shell cover are provided with screws, and both sides of the shell cover are fixedly arranged at the top of the shell through the screws.

Preferably, a sealing plate is fixedly arranged on the lower surface of the housing cover, and the sealing plate is matched with the inner side wall of the housing.

Preferably, the pins are connected with a wiring circuit inside the motor main body.

Compared with the prior art, the utility model provides a large-torque driving system of a direct-current brushless motor, which has the following beneficial effects:

1. this big moment actuating system of brushless DC motor through the casing that is equipped with, can install electronic switch circuit board and position sensor in the outside of motor main part, through the inserted column and the insert ring that are equipped with, can be with the circuit connection of electronic switch circuit board and the inside circuit of motor main part.

2. The high-torque driving system of the direct-current brushless motor can fixedly install the shell at the top of the motor main body through the inserting column, the inserting ring, the connecting block, the first spring and the clamping seat, and is convenient to detach the shell from the top of the motor main body and maintain elements inside the shell.

3. The direct-current brushless motor large-torque driving system can ensure that the connecting sheet can be communicated with the plug pins for use under the condition that the plug bush and the plug pins are not communicated through the connecting sheet, the second spring and the connecting wire.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the electronic switch circuit board and the position sensor are externally arranged outside the motor main body, so that the disassembly and maintenance of workers are convenient.

Drawings

Fig. 1 is a schematic structural diagram of a large torque driving system of a dc brushless motor according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the device comprises a motor body 1, an electronic switch circuit board 2, a position sensor 3, a shell 4, a plug bush 5, a pin 6, a plug post 7, a plug ring 8, a connecting block 9, a first spring 10, a clamping seat 11, a connecting sheet 12, a second spring 13, a connecting wire 14, a shell cover 15, a screw 16 and a sealing plate 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-2, a large torque driving system of a dc brushless motor, comprising a motor body 1, an electronic switch circuit board 2 and a position sensor 3, wherein a housing 4 is disposed on the top of the motor body 1, a clamping mechanism is disposed between two sides of the housing 4 and the motor body 1, the electronic switch circuit board 2 is fixedly mounted inside the housing 4, the position sensor 3 is mounted on the top of the electronic switch circuit board 2, two plug bushes 5 are symmetrically and fixedly disposed at the bottom of the electronic switch circuit board 2, two pins 6 are symmetrically disposed on the top of the motor body 1, the pins 6 are connected with a wiring circuit inside the motor body 1, the ends of the two pins 6 extend into the housing 4 and are inserted into the plug bushes 5, a connecting mechanism is disposed between the plug bushes 5 and the pins 6, an opening is disposed on the top of the housing 4, a housing cover 15 is disposed at the opening, screws 16 are disposed on two sides of the housing cover 15, the both sides of cap 15 all set up in the top of casing 4 through screw 16 is fixed, and the lower fixed surface of cap 15 is equipped with closing plate 17, and closing plate 17 agrees with the inside wall of casing 4 mutually, unscrews screw 16 and takes off cap 15 from the top of casing 4 to the staff of being convenient for maintains casing 4 is inside.

Example 2

Referring to fig. 3, embodiment 2 is on the basis of embodiment 1, the clamping mechanism includes inserting column 7, insert ring 8, connecting block 9, first spring 10 and cassette 11, insert column 7 and fixedly set up in the top of motor body 1, insert ring 8 and fixedly set up on the lateral wall of casing 4, insert column 7 and pass the inside of inserting ring 8, the inside of inserting column 7 is equipped with the cavity, connecting block 9 is located the inside of cavity, the lateral wall of connecting block 9 passes through the lateral wall fixed connection of first spring 10 with the cavity, cassette 11 is fixed to be set up on the one side that first spring 10 was kept away from to connecting block 9, and one side that cassette 11 kept away from connecting block 9 extends to the outside of inserting column 7 and sets up with inserting ring 8 joint, cassette 11 is located the outside one side of inserting column 7 and adopts the inclined plane setting.

Example 3

Referring to fig. 2, in embodiment 3, on the basis of embodiment 1, the connection mechanism includes a connection piece 12, a second spring 13 and a connection line 14, the connection line 14 is disposed at the bottom of the electronic switch circuit board 2, and the other end of the connection line 14 extends into the plug bush 5 and is fixedly connected with the connection piece 12, the upper side of the connection piece 12 is fixedly connected with the inner side wall of the plug bush 5 through the second spring 13, the lower side of the connection piece 12 abuts against the top of the pin 6, the elastic force of the second spring 13 enables the connection piece 12 to be always in contact with the pin 6, and it can be ensured that the connection piece 12 is connected with the pin 6 for use when the plug bush 5 and the pin 6 are not connected.

In the utility model, during installation, a worker correspondingly inserts the insert rings 8 on two sides of the shell 4 outside the insert column 7, because the insert column 7 is internally provided with the connecting block 9, the first spring 10 and the clamping seat 11, the insert rings 8 can firstly extrude the clamping seat 11 in the inserting process, so that the clamping seat 11 moves to the inside of the insert column 7 and compresses the first spring 10 through the connecting block 9, when the insert rings 8 pass through the clamping seat 11, the clamping seat 11 clamps the insert rings 8 under the elastic action of the first spring 10, and the shell 4 is arranged at the top of the motor main body 1; the casing 4 can make the plug 6 insert in the inside of casing 4 and with the cooperation of pegging graft of corresponding plug bush 5 at the in-process of installation to with the inside circuit connection of electronic switch circuit board 2 and motor body 1, owing to be provided with connection piece 12, second spring 13 and connecting wire 14 in the inside of plug bush 5, the elasticity of second spring 13 makes connection piece 12 contact with plug 6 all the time, can guarantee that plug bush 5 and plug 6 do not have under the condition of switch-on, connection piece 12 can be used with plug 6 switch-on.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A large-torque driving system of a direct-current brushless motor comprises a motor main body (1), an electronic switch circuit board (2) and a position sensor (3), and is characterized in that a shell (4) is arranged at the top of the motor main body (1), clamping mechanisms are arranged between two sides of the shell (4) and the motor main body (1), the electronic switch circuit board (2) is fixedly arranged in the shell (4), the position sensor (3) is arranged at the top of the electronic switch circuit board (2), two plug bushes (5) are symmetrically and fixedly arranged at the bottom of the electronic switch circuit board (2), two plug pins (6) are symmetrically arranged at the top of the motor main body (1), the tail ends of the plug pins (6) extend to the inside of the shell (4) and are inserted into the plug bushes (5), and a connecting mechanism is arranged between the plug bushes (5) and the plug pins (6), an opening is formed in the top of the shell (4), and a shell cover (15) is arranged at the opening.

2. The large-torque driving system of the brushless DC motor according to claim 1, wherein the clamping mechanism comprises an insertion post (7), an insertion ring (8), a connecting block (9), a first spring (10) and a clamping seat (11), the insertion post (7) is fixedly disposed at the top of the motor body (1), the insertion ring (8) is fixedly disposed on the sidewall of the housing (4), the insertion post (7) passes through the inside of the insertion ring (8), a cavity is disposed inside the insertion post (7), the connecting block (9) is disposed inside the cavity, the sidewall of the connecting block (9) is fixedly connected with the sidewall of the cavity through the first spring (10), the clamping seat (11) is fixedly disposed on the side of the connecting block (9) far away from the first spring (10), and the side of the clamping seat (11) far away from the connecting block (9) extends to the outside of the insertion post (7) and is connected with the insertion ring (8) And (4) clamping and connecting.

3. The large-torque driving system of the brushless DC motor according to claim 2, wherein the side of the clamping seat (11) outside the inserting column (7) is inclined.

4. The large-torque driving system of the brushless DC motor according to claim 1, wherein the connecting mechanism comprises a connecting piece (12), a second spring (13) and a connecting wire (14), the connecting wire (14) is disposed at the bottom of the electronic switch circuit board (2), and the other end of the connecting wire (14) extends into the plug bush (5) and is fixedly connected with the connecting piece (12), the upper side of the connecting piece (12) is fixedly connected with the inner side wall of the plug bush (5) through the second spring (13), and the lower side of the connecting piece (12) is disposed against the top of the pin (6).

5. A brushless DC motor high-torque drive system according to claim 1, characterized in that both sides of the housing cover (15) are provided with screws (16), and both sides of the housing cover (15) are fixedly arranged on the top of the housing (4) through the screws (16).

6. A brushless DC motor high-torque drive system according to claim 5, characterized in that a sealing plate (17) is fixed to the lower surface of the housing cover (15), and the sealing plate (17) is engaged with the inner side wall of the housing (4).

7. A large torque drive system of a dc brushless motor according to claim 1, characterized in that the pins (6) are connected to the wiring circuit inside the motor body (1).