CN213043563U

CN213043563U - Motor intelligent control structure that flexibility is high

Info

Publication number: CN213043563U
Application number: CN202022178361.9U
Authority: CN
Inventors: 肖桂平
Original assignee: Jiangsu Rong Daxing Electric Co ltd
Current assignee: Jiangsu Rong Daxing Electric Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-04-23
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a motor intelligent control structure that flexibility is high relates to motor technical field, for solving the current inconvenient problem of motor control positive and negative rotation. The motor comprises a junction box, a connecting wire is arranged between the junction box and the control box, a first switch button is arranged on one side of the front end of the control box, a second switch button is arranged in the middle of the front end of the control box, a third switch button is arranged on the other side of the front end of the control box, a rear end of the motor is provided with a rear cover of the motor, an electromagnetic brake mechanism is installed at one end of the rear cover of the motor, and a thermal relay, a first alternating current contactor, a second alternating current contactor, a circuit breaker and a wiring terminal row are installed inside the control box.

Description

Motor intelligent control structure that flexibility is high

Technical Field

The utility model relates to a motor technical field specifically is a motor intelligent control structure that flexibility is high.

Background

An electric motor is a device that converts electrical energy into mechanical energy. It mainly comprises an electromagnet winding or distributed stator winding for generating a magnetic field and a rotating armature or rotor. The rotating magnetic field is generated by the electrified coil and acts on the rotor to form magnetoelectric power rotating torque. The motor in the power system is mainly an alternating current motor which can be a synchronous motor or an asynchronous motor, the motor mainly comprises a stator and a rotor, and the forced movement direction of an electrified lead in a magnetic field is related to the current direction and the magnetic induction line direction. The working principle is that the magnetic field acts on the current to rotate the motor. In many occasions, the motor is required to move in forward and backward directions, such as forward or backward control of a machine tool workbench, forward and backward rotation control of a main shaft of a universal milling machine, ascending and descending control of a motor and a crane, and the like.

However, the existing motor is inconvenient to control forward and reverse rotation, so that the existing requirements are not met, and an intelligent control structure of the motor with high flexibility is provided for the existing motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor intelligent control structure that flexibility is high to solve the current motor control inconvenient problem of just reversing that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a motor intelligent control structure that flexibility is high, includes motor and control box, the motor includes the terminal box, be provided with the connecting wire between terminal box and the control box, one side of control box front end is provided with first shift knob, the centre of control box front end is provided with second shift knob, the opposite side of control box front end is provided with the third shift knob, the rear end of motor is provided with lid behind the motor, electromagnetic brake mechanism is installed to the one end of lid behind the motor.

Preferably, the control box is internally provided with a thermal relay, a first alternating current contactor, a second alternating current contactor, a circuit breaker and a wiring terminal block.

Preferably, the motor comprises a motor spindle, an electromagnet is installed at one end of a motor rear cover, a brake plate is arranged on the inner side of the electromagnetic brake mechanism, a clamping groove is formed in one end of the brake plate, and a spring is installed between the brake plate and the electromagnetic brake mechanism.

Preferably, curb plate is all installed at the inboard upper and lower both ends of electromagnetic brake mechanism, install the direction slide bar between curb plate and the electromagnetic brake mechanism, and direction slide bar and curb plate and the equal fixed connection of electromagnetic brake mechanism.

Preferably, the spring is connected with the brake plate and the electromagnetic brake mechanism through screws.

Preferably, the motor rear cover is connected with the electromagnetic brake mechanism through a screw.

Preferably, the control box is connected with the thermal relay, the first alternating current contactor, the second alternating current contactor, the circuit breaker and the wiring terminal strip through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a press first shift knob, V looks after the normally closed contact of second shift knob, the normally closed contact of second AC contactor, the coil that receives first AC contactor gets electric, first AC contactor actuation, the motor power switch-on, the motor corotation this moment, when pressing second shift knob, V looks after the normally closed contact of first shift knob, the normally closed contact of first AC contactor, the coil that has received the second AC contactor gets electric, first AC contactor actuation, the motor reversal this moment, when pressing third shift knob, whole control circuit loses electricity, first AC contactor and second AC contactor contact reset, the motor loses electricity and stops rotating, three control button arranges the front end of control box respectively, easy operation, it is convenient to the positive and negative rotation control of motor, and pass through the connecting wire between motor and the control box and be connected, the control box is movable, and the flexibility in the use process is improved.

2. The utility model discloses an it is also corresponding to get electricity at motor circular telegram during operation electro-magnet, there is the repulsion between electro-magnet and the braking vane this moment, the spring is compressed, contactless between braking vane and the electro-magnet, be in the state of keeping away from, the electro-magnet is also corresponding when the motor loses the electricity and loses the electricity, repulsion between electro-magnet and the braking vane disappears this moment, the spring is kick-backed and is reset by self elastic action, thereby promote the braking vane and be close to towards the electro-magnet, draw-in groove with braking vane one end and the main shaft contact of motor, because there is frictional force when main shaft and draw-in groove contact, so can reduce the inertia of motor stop work time main shaft, realize the quick spacing braking to the main shaft.

Drawings

FIG. 1 is a schematic diagram of the operation of the control box of the present invention;

fig. 2 is a schematic structural view of the electromagnetic brake mechanism of the present invention;

fig. 3 is a front view of the motor and control box of the present invention.

In the figure: 1. an electric motor; 2. a junction box; 3. a control box; 4. a connecting wire; 5. a first switch button; 6. a second switch button; 7. a third switch button; 8. a motor rear cover; 9. an electromagnetic brake mechanism; 10. a thermal relay; 11. a first AC contactor; 12. a second AC contactor; 13. a circuit breaker; 14. a terminal block; 15. a motor spindle; 16. an electromagnet; 17. a brake plate; 18. a card slot; 19. a spring; 20. a side plate; 21. and guiding the sliding rod.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a high motor intelligent control structure of flexibility, including motor 1 and control box 3, motor 1 includes terminal box 2, be provided with connecting wire 4 between terminal box 2 and the control box 3, one side of control box 3 front end is provided with first shift knob 5, the centre of control box 3 front end is provided with second shift knob 6, the opposite side of control box 3 front end is provided with third shift knob 7, the rear end of motor 1 is provided with motor back cover 8, the electromagnetic brake mechanism 9 is installed to one end of motor back cover 8, press first shift knob 8, V looks via the normally closed contact of second shift knob 6, after the normally closed contact of second ac contactor 12, receive the coil of first ac contactor 11 and get electric, first ac contactor 11 actuation, motor 1 power switch-on, motor 1 corotation this moment, when pressing second shift knob 6, V looks via the normally closed contact of first shift knob 5, After the normally closed contact of the first alternating current contactor 11 is connected, the coil of the second alternating current contactor 12 is electrified, the first alternating current contactor 11 is closed, the motor 1 rotates reversely at the moment, when the third switch button 7 is pressed, the whole control circuit is electrified, the contacts of the first alternating current contactor 11 and the second alternating current contactor 12 are reset, and the motor 1 is electrified and stops rotating.

Further, a thermal relay 10, a first ac contactor 11, a second ac contactor 12, a circuit breaker 13, and a terminal block 14 are installed inside the control box 3, and the motor 1 is rapidly controlled by a control circuit.

Further, the motor 1 comprises a motor main shaft 15, an electromagnet 16 is installed at one end of a motor rear cover 8, a brake plate 17 is arranged on the inner side of the electromagnetic brake mechanism 9, a clamping groove 18 is arranged at one end of the brake plate 17, a spring 19 is installed between the brake plate 17 and the electromagnetic brake mechanism 9, the electromagnet 16 is correspondingly electrified when the motor 1 is electrified to work, at the moment, a repulsive force exists between the electromagnet 16 and the brake plate 17, the brake plate 17 is extruded by the repulsive force, the spring 19 is compressed, the brake plate 17 is not contacted with the electromagnet 16 and is in a far away state, when the motor 1 is electrified, the electromagnet 16 is correspondingly electrified, at the moment, the repulsive force between the electromagnet 16 and the brake plate 17 disappears, the spring 19 rebounds and resets under the action of self elastic force, so that the brake plate 17 is pushed to approach towards the electromagnet 16, the clamping groove 18 at one end of the brake plate 17 is contacted with the motor, therefore, the inertia of the motor main shaft 15 can be reduced when the motor 1 stops working, and the motor main shaft 15 can be quickly limited and braked, so that the working quality of the motor 1 is improved.

Further, the upper end and the lower end of the inner side of the electromagnetic brake mechanism 9 are respectively provided with a side plate 20, a guide slide rod 21 is arranged between the side plate 20 and the electromagnetic brake mechanism 9, the guide slide rod 21 is fixedly connected with the side plate 20 and the electromagnetic brake mechanism 9, and the guide slide rod 21 plays a role in guiding.

Furthermore, the spring 19, the brake plate 17 and the electromagnetic brake mechanism 9 are connected through screws, so that the connection mode is simple and the assembly and disassembly are convenient.

Further, the motor rear cover 8 is connected with the electromagnetic brake mechanism 9 through screws, and the electromagnetic brake mechanism 9 is convenient to maintain.

Furthermore, the control box 3, the thermal relay 10, the first alternating current contactor 11, the second alternating current contactor 12, the circuit breaker 13 and the wiring terminal strip 14 are connected through screws, so that the connection mode is simple, and the assembly and disassembly are convenient.

The working principle is as follows: when the electric motor is used, the first switch button 5 is pressed, the coil of the first alternating current contactor 11 is electrified after the V phase passes through the normally closed contact of the second switch button 6 and the normally closed contact of the second alternating current contactor 12, the first alternating current contactor 11 is attracted, the power supply of the electric motor 1 is switched on, the electric motor 1 rotates forwards, when the second switch button 6 is pressed, the V phase passes through the normally closed contact of the first switch button 5 and the normally closed contact of the first alternating current contactor 11, the coil of the second alternating current contactor 12 is electrified, the first alternating current contactor 11 is attracted, the electric motor 1 rotates backwards, when the third switch button 7 is pressed, the whole control circuit is electrified, the contacts of the first alternating current contactor 11 and the second alternating current contactor 12 are reset, the electric motor 1 is electrified to stop rotating, when the electric motor 1 is electrified to work, the electromagnet 16 is correspondingly electrified, and at the moment, repulsion force exists between the electromagnet 16 and the brake plate 17, the repulsion extrudes the brake plate 17, the spring 19 is compressed, the brake plate 17 is not contacted with the electromagnet 16 and is in a far away state, when the motor 1 is in a power failure state, the electromagnet 16 is correspondingly in a power failure state, at the moment, the repulsion between the electromagnet 16 and the brake plate 17 disappears, the spring 19 rebounds and resets under the action of self elasticity, so that the brake plate 17 is pushed to approach towards the electromagnet 16, the clamping groove 18 at one end of the brake plate 17 is contacted with the motor spindle 15, and because the motor spindle 15 is in contact with the clamping groove 18, friction force exists, the inertia of the motor spindle 15 can be reduced when the motor 1 stops working, the quick limiting brake of the motor spindle 15 is realized, the working quality of the motor 1 is improved, and the first switch button 5, the second switch button 6 and the third switch button 7 are respectively arranged at the front end of the control box 3, the operation is simple, and, and the motor 1 is connected with the control box 3 through the connecting wire 4, and the control box 3 can move, so that the flexibility in the use process is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a motor intelligent control structure that flexibility is high, includes motor (1) and control box (3), its characterized in that: the motor (1) comprises a junction box (2), a connecting wire (4) is arranged between the junction box (2) and the control box (3), a first switch button (5) is arranged on one side of the front end of the control box (3), a second switch button (6) is arranged in the middle of the front end of the control box (3), a third switch button (7) is arranged on the other side of the front end of the control box (3), a motor rear cover (8) is arranged at the rear end of the motor (1), and an electromagnetic brake mechanism (9) is installed at one end of the motor rear cover (8).

2. A flexible intelligent control structure for motors, according to claim 1, characterized in that: the internal installation of control box (3) has thermorelay (10), first ac contactor (11), second ac contactor (12), circuit breaker (13) and binding post row (14).

3. A flexible intelligent control structure for motors, according to claim 1, characterized in that: the motor (1) comprises a motor main shaft (15), an electromagnet (16) is installed at one end of a motor rear cover (8), a brake plate (17) is arranged on the inner side of the electromagnetic brake mechanism (9), a clamping groove (18) is formed in one end of the brake plate (17), and a spring (19) is installed between the brake plate (17) and the electromagnetic brake mechanism (9).

4. A flexible intelligent control structure for motors, according to claim 1, characterized in that: curb plate (20) are all installed at the upper and lower both ends of electromagnetic brake mechanism (9) inboard, install direction slide bar (21) between curb plate (20) and electromagnetic brake mechanism (9), and direction slide bar (21) and curb plate (20) and the equal fixed connection of electromagnetic brake mechanism (9).

5. A flexible intelligent control structure for motors, according to claim 3, characterized in that: the spring (19) is connected with the brake plate (17) and the electromagnetic brake mechanism (9) through screws.

6. A flexible intelligent control structure for motors, according to claim 1, characterized in that: the motor rear cover (8) is connected with the electromagnetic brake mechanism (9) through a screw.

7. A flexible intelligent control structure for motors according to claim 2, characterized in that: the control box (3) is connected with the thermal relay (10), the first alternating current contactor (11), the second alternating current contactor (12), the circuit breaker (13) and the wiring terminal row (14) through screws.