CN216564834U

CN216564834U - BLDC integral type motor that clothing dryer was used with automatically cooling effect

Info

Publication number: CN216564834U
Application number: CN202122487077.4U
Authority: CN
Inventors: 江林飞; 孙豪远; 章冬冬
Original assignee: Zhejiang Yongchang Electric Corp
Current assignee: Zhejiang Yongchang Electric Corp
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-05-17
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to the field of motors, in particular to a BLDC integrated motor for a clothes dryer with an automatic cooling effect, which comprises a BLDC motor body, wherein a motor driver is fixedly connected to the rear side of the BLDC motor body, a fan blade is arranged on the rear side of the motor driver and is fixed on a motor shaft of the BLDC motor body, the fan blade is assembled on a shaft behind the driver on the premise of not influencing an installation structure, and when the motor rotates, the fan blade and the motor shaft rotate together to form a condensing fan without being additionally connected with a power supply, so that the temperature rise of the motor and the driver can be greatly reduced, the cost of the motor and the driver can be effectively reduced, further, the air flow is accelerated in the clothes dryer and the inside of the clothes dryer, the temperature rise of other parts except the motor in the clothes dryer is reduced, and the service life and the quality of the clothes dryer are integrally improved.

Description

BLDC integral type motor that clothing dryer was used with automatically cooling effect

Technical Field

The utility model relates to the field of motors, in particular to a BLDC integrated motor with an automatic cooling effect for a clothes dryer.

Background

Some clothes dryers use induction motor or BLDC motor at present, the BLDC motor is brushless direct current motor, this motor has replaced mechanical commutator with electronic commutator, the magnetic field that the stator produced has the same frequency with the magnetic field that the rotor produced, it is high to have power density, high efficiency, start moment is big, overload capacity is strong, advantages such as speed governing is convenient, become mainstream customer's preference gradually, when using on the clothes dryer, the driver mainly adopts external or split type structure (and motor and driver separately assemble, separately fixed), this leads to occupation space big, high cost, the installation is inconvenient, when adopting driver and motor integral type, because all produce the power loss formation heat on motor and the driver, lead to the temperature rise of motor and driver all very high, need increase very much the cost and just can realize.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a BLDC integrated motor for a clothes dryer with an automatic cooling effect, which solves the problems in the prior art, and is characterized in that a fan blade is assembled on a shaft behind a driver on the premise of not influencing the installation structure, and when the motor rotates, the fan blade and a motor shaft rotate together to form a condensing fan without being additionally connected with a power supply, so that the temperature rise of the motor and the driver can be greatly reduced, the cost of the motor and the driver can be effectively reduced, further, the air flow is accelerated in the clothes dryer and the dryer, the temperature rise of other parts in the clothes dryer except the motor is reduced, and the service life and the quality of the clothes dryer are integrally improved.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a BLDC integral type motor that clothing dryer was used with automatically cooling effect, includes the BLDC motor body, the rear side fixedly connected with motor drive of BLDC motor body, motor drive's rear side is provided with the fan blade, and the fan blade is fixed on the motor shaft of BLDC motor body.

Preferably, the BLDC motor body includes a stator assembly, a rotor assembly, a front end cover, and a rear end cover, wherein the front end cover and the rear end cover are fixed together by bolts.

Preferably, the fan blade comprises a circular sheet, a mounting pipe penetrates through the center of the circular sheet, a plurality of blades are fixed on the circular sheet around the center of the circle, and a plurality of air inlets are formed in the blades.

Preferably, the mounting tube is fixed to the motor shaft and a first cushion is fixed to a rear end portion thereof.

Preferably, a second shock pad is fixed at the front end of the front end cover.

Preferably, the motor driver comprises a mounting seat and a driver body fixedly mounted in the mounting seat, and the mounting seat and the rear end cover are fixed together through bolts.

Preferably, the mounting seat is provided with a radiator.

Preferably, the front end cover and the rear end cover are provided with heat dissipation holes.

(III) advantageous effects

The utility model aims to provide a BLDC integrated motor for a clothes dryer with an automatic cooling effect, which is characterized in that a fan blade is assembled on a shaft behind a driver on the premise of not influencing an installation structure, when the motor rotates, the fan blade and a motor shaft rotate together to form a condensing fan, and no additional power supply is needed, so that the temperature rise of the motor and the driver can be greatly reduced, the cost of the motor and the driver can be effectively reduced, further, the air flow is accelerated in the clothes dryer and the dryer, the temperature rise of other parts except the motor in the clothes dryer is reduced, and the service life and the quality of the clothes dryer are integrally improved.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is an exploded view of a BLDC motor body according to the present invention.

Fig. 3 is an overall schematic view of the fan blade of the present invention.

Fig. 4 is a schematic view of an air inlet on the fan blade of the present invention.

Fig. 5 is a schematic view of a blade on the fan blade of the present invention.

Fig. 6 is an overall schematic view of the motor driver of the present invention.

In the figure: the motor comprises a 1-BLDC motor body, a 2-motor driver, a 3-fan blade, a 4-motor shaft, a 5-stator assembly, a 6-rotor assembly, a 7-front end cover, an 8-rear end cover, a 9-circular sheet, a 10-circular sheet, a 11-blade, a 12-air inlet, a 13-first shock pad, a 14-second shock pad, a 15-mounting seat, a 16-driver body and a 17-radiator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 6 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 embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a technical scheme that: a BLDC integral motor with automatic cooling effect for clothes dryer, including BLDC motor body 1, the rear side of BLDC motor body 1 connects with the motor driver 2 fixedly, the rear side of the motor driver 2 has blades 3, the blades 3 are fixed on motor shaft 4 of BLDC motor body 1, use the integral installation of BLDC motor body 1 and motor driver 2, thus has solved the large space occupation that the external activity split type installation of motor driver 2 produces, with high costs, the installation is inconvenient, etc., but this integral installation because BLDC motor body 1 and motor driver 2 produce the power loss and form the heat, cause the temperature rise of motor and driver very high, need increase many costs to realize, under the prerequisite that does not influence the mounting structure, equip a blade 3 on motor shaft 4 behind motor driver 2, when motor shaft 4 rotates, rotate together with motor shaft 4, form a condensing fan, need not connect the power in addition, the temperature rise of reduction BLDC motor body 1 that can be by a wide margin and motor driver 2 to can effectual reduction BLDC motor body 1 and motor driver 2's cost, further, accelerate the air flow in the clothes dryer, reduce the temperature rise of other spare parts in the clothes dryer except BLDC motor body 1 and motor driver 2, the life-span and the quality of whole improvement clothes dryer.

The BLDC motor body 1 includes a stator assembly 5, a rotor assembly 6, a front cover 7, and a rear cover 8, wherein the front cover 7 and the rear cover 8 are fixed together by bolts.

The fan blade 3 comprises a circular sheet 9, a mounting pipe 10 penetrates through the center of circle of the circular sheet 9, a plurality of blades 11 are fixed on the circular sheet 9 around the center of circle, a plurality of air inlets 12 are formed in the blades, the fan blade 3 is mounted on the motor shaft 4, the rear surface of the motor driver 2 is used as a protective cover of the motor driver 2 when the motor shaft 4 does not rotate, the motor shaft 4 rotates together with the motor shaft 4 after rotating to form a condensing fan, heat is dissipated to the motor driver 2, the BLDC motor body 1 and other parts in the clothes dryer, meanwhile, air flow formed by rotation of the fan blows away sundries such as lint generated in the clothes dryer, and the sundries are not applied to the motor and the driving part.

The mounting pipe 10 is fixed on the motor shaft 4 and has a first vibration absorbing pad 13 fixed to a rear end portion thereof, and the first vibration absorbing pad 13 is provided to absorb vibration generated when the BLDC motor body 1 and the motor driver 2 are operated.

The front end of the front end cover 7 is fixed with a second shock-absorbing pad 14, and the second shock-absorbing pad 14 is arranged to further alleviate the shock generated by the BLDC motor body 1 and the motor driver 2 during operation.

The motor driver 2 comprises a mounting seat 15 and a driver body 16 fixedly mounted in the mounting seat 15, and the mounting seat 15 and the rear end cover 8 are fixed together through bolts.

The mounting seat 15 is provided with a radiator 17, a large amount of heat generated by the motor driver 2 during operation is transferred to the radiator 17, and the radiator 17 can timely dissipate the heat, so that a good heat dissipation function is achieved.

The front end cover 7 and the rear end cover 8 are provided with heat dissipation holes, and the heat dissipation holes can timely dissipate heat generated in the operation process of the BLDC motor body 1.

The working principle is as follows: the utility model adopts the integral installation of the BLDC motor body 1 and the motor driver 2, thus solving the problems of large occupied space, high cost, inconvenient installation and the like caused by the external movable split installation of the motor driver 2, but the integral installation can be realized by increasing a lot of cost because the temperature rise of the motor and the driver is very high because the BLDC motor body 1 and the motor driver 2 generate heat due to power loss, and under the premise of not influencing the installation structure, a fan blade 3 is assembled on a motor shaft 4 behind the motor driver 2, the motor shaft 4 is used as a protective cover of the motor driver 2 when not rotating, the motor shaft 4 rotates and then rotates together with the motor shaft 4 to form a condensing fan to dissipate heat of the motor driver 2, the BLDC motor body 1 and other parts in the clothes dryer, and simultaneously, the air flow formed by the rotation of the motor driver and the BLDC motor body 1, the fan blade 3 does not need to be connected with an additional power supply, can greatly reduce the temperature rise of the BLDC motor body 1 and the motor driver 2, thereby effectively reducing the cost of the BLDC motor body 1 and the motor driver 2, further, accelerates the air flow in the clothes dryer, reduces the temperature rise of other parts except the BLDC motor body 1 and the motor driver 2 in the clothes dryer, integrally improves the service life and the quality of the clothes dryer, can relieve the vibration generated when the BLDC motor body 1 and the motor driver 2 operate by arranging the first shock absorption pad 13 and the second shock absorption pad 14, is provided with the radiator 17 on the mounting seat 15, a large amount of heat generated when the motor driver 2 operates is transferred to the radiator 17, and the radiator 17 can timely dissipate the heat, thereby achieving a good heat dissipation function, the front end cover 7 and the rear end cover 8 are provided with heat dissipation holes, and the heat dissipation holes can dissipate heat generated by the BLDC motor body 1 in the running process in time.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a BLDC integral type motor that clothes dryer used with automatically cooling effect, its characterized in that, includes BLDC motor body (1), the rear side fixedly connected with motor drive (2) of BLDC motor body (1), the rear side of motor drive (2) is provided with fan blade (3), fan blade (3) are fixed on motor shaft (4) of BLDC motor body (1).

2. The BLDC integrated motor for a clothes dryer with an automatic cooling effect according to claim 1, wherein the BLDC motor body (1) comprises a stator assembly (5), a rotor assembly (6), a front cover (7), and a rear cover (8), wherein the front cover (7) and the rear cover (8) are fixed together by bolts.

3. The BLDC integrated motor for the clothes dryer with the automatic cooling effect according to claim 1, wherein the fan blades (3) comprise circular sheets (9), a mounting pipe (10) penetrates through the circle centers of the circular sheets (9), a plurality of blades (11) are fixed on the circular sheets (9) around the circle centers, and a plurality of air inlets (12) are formed in the blades.

4. The BLDC integrated motor for a clothes dryer with an automatic cooling effect as set forth in claim 3, wherein said mounting tube (10) is fixed to said motor shaft (4) and a first damper pad (13) is fixed to a rear end portion thereof.

5. The BLDC integrated motor for a clothes dryer with an automatic cooling effect as claimed in claim 2, wherein a second vibration-damping pad (14) is fixed to a front end of said front cover (7).

6. The BLDC integrated motor for a clothes dryer with an automatic cooling effect as claimed in claim 2, wherein said motor driver (2) comprises a mounting seat (15) and a driver body (16) fixedly installed in said mounting seat (15), said mounting seat (15) and said rear end cap (8) being fixed together by bolts.

7. The BLDC integrated motor for a clothes dryer with an automatic cooling effect as set forth in claim 6, wherein a heat sink (17) is provided on the mounting seat (15).

8. The BLDC integrated motor for a clothes dryer having an automatic cooling effect according to claim 2, wherein the front cover (7) and the rear cover (8) are provided with heat dissipation holes.