CN216390645U

CN216390645U - Motor with EMC anti-interference module

Info

Publication number: CN216390645U
Application number: CN202123193306.8U
Authority: CN
Inventors: 兰军; 庞红刚
Original assignee: Yuyao Chili Micro Motor Co ltd
Current assignee: Yuyao Chili Motor Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-26
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a motor with an EMC anti-interference module, which comprises a motor body, wherein a motor base is arranged on one side of the motor body, the EMC anti-interference module is fixedly arranged on the motor base, a rotating shaft is arranged inside the motor body, a radiating fan is arranged outside the rotating shaft, and a cleaning assembly for scraping deposited dust in a radiating area of the motor body is arranged on one side of the radiating fan.

Description

Motor with EMC anti-interference module

Technical Field

The utility model relates to the technical field of anti-interference motors, in particular to a motor with an EMC anti-interference module.

Background

At present, the market already has an EMC anti-interference motor model which passes the electromagnetic radiation certification. The motor can produce a large amount of heats at the in-process of operation, common motor heat dissipation method dispels the heat through self radiator fan, however, radiator fan is carrying out radiating in-process to the motor, if the motor is in work in dustproof great environment, inside dust in the outside air can get into the motor along with the heat dissipation air current, along with the increase of motor live time, the dust also can be more and more in the inside of motor, the radiating effect that finally probably makes the motor is relatively poor, shorten motor life, do not have the problem of interference killing feature simultaneously.

A circuit structure, a motor and an air conditioner for restraining EMC as disclosed in Chinese utility model patent CN 210693701U. The circuit structure for suppressing the EMC is arranged in a motor, the motor comprises a stator core with a winding, a control board positioned in the middle of the stator core and a direct-current power supply positioned on the control board, the circuit structure for suppressing the EMC is positioned on the control board and comprises a conducting strip and a Y capacitor, a first pin of the Y capacitor is connected with a negative electrode of the direct-current power supply, a second pin of the Y capacitor is connected with a first end of the conducting strip, and a second end of the conducting strip is connected with the stator core; the motor of this structure does not have good radiating effect, and the anti-interference effect is relatively poor simultaneously.

SUMMERY OF THE UTILITY MODEL

First, technical problem to be solved

The utility model provides a motor with an EMC anti-interference module aiming at the defects in the prior art, and solves the problems that the motor in the prior art is poor in heat dissipation effect, short in service life and free of anti-interference capability.

Second, technical scheme

In order to solve the technical problem, the utility model provides a motor with an EMC anti-interference module, which comprises a motor body, wherein a motor base is arranged on one side of the motor body, the EMC anti-interference module is fixedly arranged on the motor base, a rotating shaft is arranged inside the motor body, a cooling fan is arranged outside the rotating shaft, and a cleaning assembly for scraping off accumulated dust in a heat dissipation area of the motor body is arranged on one side of the cooling fan.

Preferably, the clearance subassembly is including being located the radiating louvre of the inside power supply machine during operation of motor body, and the outside of pivot is equipped with the pole of scraping off that scrapes off the dust on louvre surface.

Preferably, the outside of the motor body is provided with a sliding assembly for increasing the heat dissipation area of the motor, the sliding assembly comprises a sliding cylinder, and the inside of the motor body is provided with a through hole for discharging heat inside the motor body.

Preferably, the inside of a sliding cylinder is provided with a reciprocating assembly which enables the sliding cylinder to perform reciprocating motion, the reciprocating assembly comprises a fixing sleeve positioned on one side of a scraping rod, one side of the fixing sleeve is provided with a supporting stop block, a spring is arranged between the supporting stop block and the scraping rod, the inside of the sliding cylinder is provided with a curved groove for supporting the sliding stop block, one side of the sliding cylinder is provided with a second fixing block, one side of the second fixing block is provided with a telescopic rod, and one side of the telescopic rod is provided with a first fixing block.

Preferably, when the abutting block slides to the other end of the curved groove, the abutting block abuts against the sliding cylinder and generates vibration.

Third, beneficial effect

Compared with the prior art, when the motor works, the rotating shaft of the motor drives the scraping rod to rotate on the surface of the heat dissipation hole, the rotation of the scraping rod drives the abutting block at one side of the scraping rod to slide in the curved groove, so that the sliding cylinder reciprocates outside the motor body, compared with the prior art, when the heat dissipation fan dissipates heat of the motor, if the motor works in a high-dust environment, dust in outside air enters the motor along with heat dissipation airflow, the dust is accumulated more and more in the motor along with the increase of the service time of the motor, the heat dissipation effect of the motor is poor, and the service life of the motor is shortened, the utility model utilizes the mutual cooperation of the cleaning component and the sliding component, when the heat dissipation area of the motor is cleaned, the integral heat dissipation area of the motor is also enlarged, and when the motor works, the dust on the surface can be automatically cleaned, the heat dissipation fault of the motor caused by dust deposition is reduced, and the service life of the motor is prolonged.

Drawings

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

FIG. 2 is a cross-sectional view of the reciprocating assembly of the present invention;

FIG. 3 is an enlarged view of the structure of area A of FIG. 2 according to the present invention;

FIG. 4 is a cross-sectional view of the reciprocating assembly of the present invention;

FIG. 5 is a side view of the structure of the present invention;

FIG. 6 is a cross-sectional view of another embodiment of the present invention.

In the figure: 1 is a motor body; 2 is a motor base; 3 is a rotating shaft; 4 is a cleaning component; 5 is a sliding component; 6 is a reciprocating component; 7 is a heat radiation fan; 8 is an anti-interference module; 9 is a connecting plate; 91 is a dust collecting part; 10 is a screw hole; 41 is a heat dissipation hole; 42 is a scraping rod; 51 is a sliding cylinder; 52 is a through hole; 61 is a fixed sleeve; 62 is a stop block; 63 is a spring; a first fixed block 64; 65 is a telescopic rod; 66 is a fixed block II; 67 are curved grooves.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Example 1:

as shown in fig. 1 to 6, the motor with the EMC anti-interference module of this embodiment, including motor body 1, one side of motor body 1 is equipped with motor base 2, one side and motor body 1 fixed connection of motor base 2, motor body 1's inside is equipped with pivot 3, pivot 3's outside is equipped with radiator fan 7, radiator fan 7 and pivot 3 fixed connection, one side of radiator fan 7 is equipped with clearance subassembly 4 that scrapes off the deposition in motor body 1 heat dissipation region, in the in-process of motor body 1 work, usable clearance subassembly 4 is automatic to carry out effective clearance to motor heat dissipation region, the probability of the motor heat dissipation trouble that has reduced because of the deposition and takes place, the motor life of extension.

Clearance subassembly 4 is including being located the radiating louvre 41 of 1 inside power supply machine during operation of motor body, and the outside of pivot 3 is equipped with scrapes off the pole 42 that scrapes off the dust on louvre 41 surface, scrapes off

pole

42 and 3 fixed connection of pivot, and when motor body 1 began the during operation, the pivot 3 of motor self will drive and scrape off pole 42 and effectively clean the remaining deposition in louvre 41 surface, has guaranteed the normal heat dissipation of motor.

The outside of motor body 1 is equipped with increase motor heat dissipation area's sliding assembly 5, sliding assembly 5 includes sliding barrel 51, sliding barrel 51 and motor body 1 sliding connection, motor body 1's inside is equipped with a plurality of power supply 1 inside heat exhaust's of being central symmetric distribution through-hole 52, sliding barrel 51 is at gliding in-process, will lose the sheltering from to through-hole 52, the inside heat accessible of motor this moment a plurality of through-holes 52 and louvre 41 give off to the external world jointly, further strengthen motor body 1's radiating effect, extension motor life.

The reciprocating component 6 which enables the sliding cylinder 51 to reciprocate is arranged inside the sliding cylinder 51, the reciprocating component 6 comprises a fixing sleeve 61 positioned on one side of a scraping rod 42, one side of the fixing sleeve 61 is fixedly connected with the scraping rod 42, one side of the fixing sleeve 61 is provided with a resisting block 62, the resisting block 62 is slidably connected with the fixing sleeve 61, a spring 63 is arranged between the resisting block 62 and the scraping rod 42, two ends of the spring 63 are respectively fixedly connected with the resisting block 62 and the scraping rod 42, a curved groove 67 for the resisting block 62 to slide is arranged inside the sliding cylinder 51, one side of the sliding cylinder 51 is provided with a fixing block II 66, one side of the fixing block II 66 is fixedly connected with the sliding cylinder 51, one side of the fixing block II 66 is provided with a telescopic rod 65, one side of the telescopic rod 65 is provided with a fixing block I64, one side of the fixing block I64 is fixedly connected with the motor body 1, and two ends of the fixing block 65 are respectively fixedly connected with the fixing block I64 and the fixing block II 66, in the process that the scraping rod 42 rotates along with the rotating shaft 3, the abutting block 62 on one side of the scraping rod 42 slides in the curved groove 67, because the curved groove 67 is spiral, the sliding cylinder 51 slides to one side far away from the motor body 1 in the sliding process of the abutting block 62, at this time, the sliding cylinder 51 loses shielding of the through hole 52, the motor can radiate heat to the outside through the through hole 52, when the abutting block 62 slides to the other end of the curved groove 67, one side of the curved groove 67 abuts against the inclined plane part of the abutting block 62, under the action of the spring 63, the abutting block 62 retracts to the inside of the fixed sleeve 61, at this time, the telescopic rod 65 can pull the sliding cylinder 51 to the original position and shield the through hole 52 again, in this process, the sliding cylinder 51 can scrape off dust on the surface of the through hole 52, and when the sliding cylinder 51 returns to the original position, the abutting block 62 returns to the inside of the curved groove 67 again, and the sliding cylinder 51 is urged to slide again, so that the integration of the motor dust cleaning function and the heat dissipation function is realized.

When the stopping block 62 slides to the other end of the curved groove 67, the stopping block 62 stops against the sliding cylinder 51 and generates vibration, and the generated vibration can partially stick and leave the heat dissipation hole 41 to shake to the ground, thereby being more beneficial to the maintenance of the motor.

Referring to fig. 6, the motor base 2 is fixedly provided with an EMC anti-interference module 8, which includes a common mode filter circuit, and the structure and the operation mechanism of the EMC anti-interference module are not repeated in this application, and the EMC anti-interference module 8 is set to the motor base from the original built-in position of the rear cover of the motor, so that the motor does not interfere with other devices, and is not affected by other devices.

Example 2:

compare in embodiment 1, in this embodiment, as shown in fig. 6, one side of motor base 2 is equipped with connecting plate 9, one side and the motor base 2 fixed connection of connecting plate 9, connecting plate 9 is including the collection grey portion 91 that is located motor body 1 one side, the molding of collection grey portion 91 is the cambered surface, more conveniently collect the dust that drops on one side of the motor, be favorable to the daily maintenance to the motor, one side of connecting plate 9 is equipped with a plurality of screw 10 that are the fixed of the auxiliary motor body 1 of equidistance distribution, a plurality of screw 10 are more convenient to motor body 1's installation, the suitability of equipment has been improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. An electric machine with an EMC anti-jamming module, characterized in that: the motor with the EMC anti-interference module comprises a motor body (1), one side of the motor body (1) is provided with a motor base (2), the motor base (2) is fixedly provided with the EMC anti-interference module (8), the inside of the motor body (1) is provided with a rotating shaft (3), the outside of the rotating shaft (3) is provided with a cooling fan (7), and one side of the cooling fan (7) is provided with a cleaning assembly (4) for scraping off accumulated dust in a heat dissipation area of the motor body (1).

2. An electric machine with EMC interference rejection module according to claim 1, wherein: clearance subassembly (4) are including being located radiating louvre (41) of motor body (1) inside power supply machine during operation, the outside of pivot (3) is equipped with scrapes off pole (42) that scrape off the dust on louvre (41) surface.

3. An electric machine with EMC interference rejection module according to claim 1, wherein: the motor is characterized in that a sliding assembly (5) for increasing the heat dissipation area of the motor is arranged outside the motor body (1), the sliding assembly (5) comprises a sliding barrel (51), and a through hole (52) for discharging heat inside the motor body (1) is formed inside the motor body (1).

4. An electric machine with an EMC interference rejection module according to claim 3, wherein: the inside of sliding barrel (51) is equipped with and makes sliding barrel (51) carry out reciprocating motion's reciprocal subassembly (6), reciprocal subassembly (6) is including fixed cover (61) that is located scraping pole (42) one side, one side of fixed cover (61) is equipped with supports dog (62), it is equipped with spring (63) to support between dog (62) and the scraping pole (42), the inside of sliding barrel (51) is equipped with and supplies to support gliding curved type groove (67) of dog (62), one side of sliding barrel (51) is equipped with two (66) of fixed block, one side of two (66) of fixed block is equipped with telescopic link (65), one side of telescopic link (65) is equipped with fixed block (64).

5. An electric machine with an EMC interference rejection module according to claim 4, wherein: when the resisting block (62) slides to the other end of the curved groove (67), the resisting block (62) resists against the sliding cylinder (51) and generates vibration.

6. An electric machine with EMC interference rejection module according to claim 1, wherein: one side of motor base (2) is equipped with connecting plate (9), connecting plate (9) are including album grey portion (91) that are located motor body (1) one side, one side of connecting plate (9) is equipped with fixed screw (10) of auxiliary motor body (1).