CN216252375U

CN216252375U - Permanent magnet direct current refrigerator compressor motor

Info

Publication number: CN216252375U
Application number: CN202122948299.1U
Authority: CN
Inventors: 冯杜龙; 何炎; 罗丁开; 陈岳峰
Original assignee: Anhui Guangbo Electromechanical Manufacturing Co ltd
Current assignee: Anhui Guangbo Electromechanical Manufacturing Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a permanent magnet direct current refrigerator compressor motor which comprises an installation base, a rotor, a first heat dissipation mechanism and a second heat dissipation mechanism, wherein the installation base is provided with a first heat dissipation plate; installing a base: a cylinder body is arranged in the middle of the upper surface of the cylinder body, an opening at the upper end of the cylinder body is fixedly connected with a sealing ring through a bolt, two symmetrically distributed stators are arranged at the upper end of the inner arc surface of the cylinder body, and stator windings are arranged in notches formed in the inner arc surface of each stator; a rotor: including permanent magnet, rotor winding and pivot, the pivot passes through the bearing and rotates to be connected between installation base and seal ring, and the permanent magnet sets up in the extrados upper end of pivot, and the permanent magnet cooperates the installation with stator winding, and the inside of permanent magnet is equipped with rotor winding: first heat dissipation mechanism: the upper end and the lower end of the cylinder body are provided with a plurality of grooves; the second heat dissipation mechanism: the permanent magnet direct current refrigerator compressor motor is arranged at the lower end of the rotating shaft, the cooling efficiency of the motor can be improved, and the service life of the motor is prolonged.

Description

Permanent magnet direct current refrigerator compressor motor

Technical Field

The utility model relates to the technical field of motors, in particular to a permanent magnet direct current refrigerator compressor motor.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction, the motor mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, the permanent magnet direct current motor is a direct current motor for establishing a magnetic field by using a permanent magnet and is widely applied to industries such as automobiles, motorcycles, hand dryers, electric bicycles, storage battery vehicles, ships, aviation, machines and the like, a refrigerator compressor usually uses the permanent magnet direct current motor as a power source, a rotor of the permanent magnet direct current motor is adhered with a magnetized permanent magnet, the rotor is rotated by an interactive magnetic field generated by the stator during working, the permanent magnet direct current refrigerator compressor motor in the prior art generally utilizes radiating holes in a cylinder body to radiate heat, the radiating efficiency is low, and a proper operation place cannot be provided for internal components.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects and provide a permanent magnet direct current refrigerator compressor motor, which can prolong the service life of the motor and effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a permanent magnet direct current refrigerator compressor motor comprises an installation base, a rotor, a first heat dissipation mechanism and a second heat dissipation mechanism;

installing a base: a cylinder body is arranged in the middle of the upper surface of the cylinder body, an opening at the upper end of the cylinder body is fixedly connected with a sealing ring through a bolt, two symmetrically distributed stators are arranged at the upper end of the inner arc surface of the cylinder body, and stator windings are arranged in notches formed in the inner arc surface of each stator;

a rotor: including permanent magnet, rotor winding and pivot, the pivot passes through the bearing and rotates to be connected between installation base and seal ring, and the permanent magnet sets up in the extrados upper end of pivot, and the permanent magnet cooperates the installation with stator winding, and the inside of permanent magnet is equipped with rotor winding:

first heat dissipation mechanism: the upper end and the lower end of the cylinder body are provided with a plurality of grooves;

the second heat dissipation mechanism: set up in the lower extreme of pivot, the intrados lower extreme of the outer end of second heat dissipation mechanism and cylinder body rotates and is connected, can utilize the rotation of motor shaft self to accelerate the speed of the inside cooling of motor, improves the efficiency of motor self cooling, provides a suitable operation place for the internals, improves the life of motor.

Furthermore, first heat dissipation mechanism includes louvre and dust filtration cotton ring, the louvre evenly sets up in the upper and lower both ends of cylinder body, and the dust filtration cotton ring sets up both ends about the intrados of cylinder body respectively, and the dust filtration cotton ring corresponds with the louvre position at upper and lower both ends respectively, is convenient for the heat dissipation of motor self.

Further, the second heat dissipation mechanism includes drive gear, round bar and driven gear, drive gear sets up in the lower extreme of pivot, and round bar quantity is three, and three round bar all rotates through the bearing to be connected in the intrados lower extreme of cylinder body, and driven gear sets up respectively in the inboard end of round bar and goes out, and driven gear all is connected with drive gear meshing, drives other parts and moves.

Further, the second heat dissipation mechanism further comprises fan blades, wherein the fan blades are respectively arranged in the middle of the outer arc surface of the round rod, and the fan blades correspond to the heat dissipation holes in the lower end of the round rod in position and further dissipate heat to the motor.

Furthermore, still include the rotation stopping draw-in groove, the rotation stopping draw-in groove is seted up in the extrados upper end of pivot, is convenient for external device's connection.

Furthermore, still include first mounting hole, first mounting hole sets up respectively in the upper surface four corners department of installation base, the installation of the motor of being convenient for.

Further, still include the square frame seat, the outside upper end of cylinder body is located to the square frame seat cover, and the second mounting hole has all been seted up to the upper surface four corners department of square frame seat, makes things convenient for the motor to install at different mounted positions.

Compared with the prior art, the utility model has the beneficial effects that: this permanent magnetism direct current refrigerator compressor motor has following benefit:

the motor is fixed at the mounting position in the refrigerator through the first mounting hole or the second mounting hole, an external power supply supplies power to the stator, the stator winding generates a magnetic field and generates an interactive magnetic field with the permanent magnet and the rotor winding, so that the rotating shaft rotates, the motor starts to work, the rotating shaft drives the transmission gear to rotate, the transmission gear drives the round rod to rotate through the driven gear, thereby realizing the rotation of the fan blades, the fan blades guide the peripheral airflow to be discharged out of the cylinder body from the lower radiating holes through the rotation, the external cold air enters the cylinder body through the upper radiating holes, the dust filtering cotton ring can prevent dust from entering the cylinder body, the cooling operation inside the motor is realized through the circulation of air, the rotation of the motor rotating shaft can be utilized to accelerate the cooling speed inside the motor, the cooling efficiency of the motor is improved, a suitable operation place is provided for internal components, 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 schematic diagram of the explosive structure of the present invention.

In the figure: the device comprises a mounting base 1, a cylinder body 2, a sealing ring 3, a stator 4, a stator winding 5, a rotor 6, a permanent magnet 61, a rotor winding 62, a rotating shaft 63, a first heat dissipation mechanism 7, heat dissipation holes 71, a dust filtration cotton ring 72, a second heat dissipation mechanism 8, a transmission gear 81, fan blades 82, a round rod 83, a driven gear 84, a first mounting hole 9, a square frame seat 10, a second mounting hole 11 and a rotation stopping clamping groove 12.

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. 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.

Referring to fig. 1-2, the present embodiment provides a technical solution: a permanent magnet direct current refrigerator compressor motor comprises a mounting base 1, a rotor 6, a first heat dissipation mechanism 7 and a second heat dissipation mechanism 8;

installing a base 1: the mounting base 1 provides a mounting place for other components, a cylinder body 2 is arranged in the middle of the upper surface of the mounting base, the cylinder body 2 protects the internal components and facilitates mounting of the other components, an opening at the upper end of the cylinder body 2 is fixedly connected with a seal ring 3 through a bolt, two stators 4 which are symmetrically distributed are arranged at the upper end of an inner arc surface of the cylinder body 2, stator windings 5 are arranged in notches formed in the inner arc surface of the stators 4, the mounting base further comprises first mounting holes 9, the first mounting holes 9 are respectively formed in four corners of the upper surface of the mounting base 1, the mounting base further comprises a square frame base 10, the square frame base 10 is sleeved on the upper end of the outer portion of the cylinder body 2, the four corners of the upper surface of the square frame base 10 are respectively provided with second mounting holes 11, and the mounting position of the motor in the refrigerator is fixed through the first mounting holes 9 or the second mounting holes 11;

and (6) a rotor: rotor 6 realizes the work of motor with the stator cooperation, including permanent magnet 61, rotor winding 62 and pivot 63, pivot 63 passes through the bearing and rotates to be connected between installation base 1 and seal ring 3, permanent magnet 61 sets up in the extrados upper end of pivot 63, permanent magnet 61 and the cooperation installation of stator winding 5, the inside of permanent magnet 61 is equipped with rotor winding 62, still include the card slot 12 that splines, spline card slot 12 is seted up in the extrados upper end of pivot 63, external power source gives the power supply of stator 4, stator winding 5 produces the magnetic field, produce mutual magnetic field with permanent magnet 61 and rotor winding 62, with this make pivot 63 rotate, the motor begins work:

first heat dissipation mechanism 7: the first heat dissipation mechanism 7 is convenient for heat dissipation operation of the motor and is arranged at the upper end and the lower end of the cylinder body 2, the first heat dissipation mechanism 7 comprises heat dissipation holes 71 and dust filtration cotton rings 72, the heat dissipation holes 71 are uniformly arranged at the upper end and the lower end of the cylinder body 2, the dust filtration cotton rings 72 are respectively arranged at the upper end and the lower end of the inner cambered surface of the cylinder body 2, and the dust filtration cotton rings 72 respectively correspond to the heat dissipation holes 71 at the upper end and the lower end;

second heat dissipation mechanism 8: the second heat dissipation mechanism 8 further improves the heat dissipation operation of the motor, and is arranged at the lower end of the rotating shaft 63, the outer end of the second heat dissipation mechanism 8 is rotatably connected with the lower end of the inner arc surface of the cylinder body 2, the second heat dissipation mechanism 8 comprises a transmission gear 81, circular rods 83 and a driven gear 84, the transmission gear 81 is arranged at the lower end of the rotating shaft 63, the number of the circular rods 83 is three, the three circular rods 83 are rotatably connected with the lower end of the inner arc surface of the cylinder body 2 through bearings, the driven gears 84 are respectively arranged at the inner ends of the circular rods 83, the driven gears 84 are respectively engaged with the transmission gear 81, the second heat dissipation mechanism 8 further comprises fan blades 82, the fan blades 82 are respectively arranged at the middle part of the outer arc surface of the circular rods 83, the fan blades 82 correspond to the heat dissipation holes 71 at the lower end, the rotating shaft 63 drives the transmission gear 81 to rotate, the transmission gear 81 drives the circular rods 83 to rotate through the driven gears 84, so as to further realize the rotation of the fan blades 82, the fan blades 82 guide surrounding airflow to be discharged out of the cylinder body 2 from the lower radiating holes 71 through rotation, outside cold air enters the cylinder body 2 through the upper radiating holes 71, and the dust filtering cotton rings 72 can prevent dust from entering the cylinder body 2, so that the cooling operation inside the motor is realized through air circulation.

The working principle of the permanent magnet direct current refrigerator compressor motor provided by the utility model is as follows: the motor is fixed at the mounting position in the refrigerator through the first mounting hole 9 or the second mounting hole 11, an external power supply supplies power to the stator 4, the stator winding 5 generates a magnetic field, an interaction magnetic field is generated between the stator winding 5 and the permanent magnet 61 and the rotor winding 62, so that the rotating shaft 63 rotates, the motor starts to work, the rotating shaft 63 drives the transmission gear 81 to rotate, the transmission gear 81 drives the round rod 83 to rotate through the driven gear 84, further, the rotation of the fan blade 82 is realized, the fan blade 82 guides surrounding airflow to be discharged out of the cylinder body 2 from the heat dissipation holes 71 below through rotation, outside cold air enters the cylinder body 2 through the heat dissipation holes 71 above, the dust filtering cotton ring 72 can prevent dust from entering the cylinder body 2, and accordingly, the cooling operation in the motor is realized through the circulation of air.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a permanent magnetism direct current refrigerator compressor motor which characterized in that: comprises a mounting base (1), a rotor (6), a first heat dissipation mechanism (7) and a second heat dissipation mechanism (8);

mounting base (1): a cylinder body (2) is arranged in the middle of the upper surface of the cylinder body, an opening at the upper end of the cylinder body (2) is fixedly connected with a seal ring (3) through a bolt, two symmetrically distributed stators (4) are arranged at the upper end of an inner arc surface of the cylinder body (2), and stator windings (5) are arranged in notches formed in the inner arc surface of the stators (4);

rotor (6): including permanent magnet (61), rotor winding (62) and pivot (63), pivot (63) are rotated through the bearing and are connected between installation base (1) and seal ring (3), and permanent magnet (61) set up in the extrados upper end of pivot (63), and permanent magnet (61) and stator winding (5) cooperation installation, the inside of permanent magnet (61) is equipped with rotor winding (62):

first heat dissipation mechanism (7): are arranged at the upper end and the lower end of the cylinder body (2);

second heat dissipation mechanism (8): the outer end of the second heat dissipation mechanism (8) is rotatably connected with the lower end of the inner arc surface of the cylinder body (2).

2. The compressor motor of the permanent magnet direct current refrigerator according to claim 1, wherein: the first heat dissipation mechanism (7) comprises heat dissipation holes (71) and dust filtration cotton rings (72), the heat dissipation holes (71) are uniformly formed in the upper end and the lower end of the cylinder body (2), the dust filtration cotton rings (72) are respectively arranged at the upper end and the lower end of the inner arc surface of the cylinder body (2), and the dust filtration cotton rings (72) respectively correspond to the positions of the heat dissipation holes (71) at the upper end and the lower end.

3. The compressor motor of the permanent magnet direct current refrigerator according to claim 2, wherein: the second heat dissipation mechanism (8) comprises a transmission gear (81), round rods (83) and driven gears (84), the transmission gear (81) is arranged at the lower end of the rotating shaft (63), the number of the round rods (83) is three, the three round rods (83) are connected to the lower end of the inner arc surface of the cylinder body (2) through bearings in a rotating mode, the driven gears (84) are arranged at the ends of the inner sides of the round rods (83) respectively, and the driven gears (84) are connected with the transmission gear (81) in a meshing mode.

4. The compressor motor of the permanent magnet direct current refrigerator according to claim 3, wherein: the second heat dissipation mechanism (8) further comprises fan blades (82), the fan blades (82) are respectively arranged in the middle of the outer arc surface of the round rod (83), and the positions of the fan blades (82) correspond to the positions of the heat dissipation holes (71) at the lower end.

5. The compressor motor of the permanent magnet direct current refrigerator according to claim 1, wherein: the anti-rotation device is characterized by further comprising an anti-rotation clamping groove (12), wherein the anti-rotation clamping groove (12) is formed in the upper end of the outer arc surface of the rotating shaft (63).

6. The compressor motor of the permanent magnet direct current refrigerator according to claim 1, wherein: the mounting structure is characterized by further comprising first mounting holes (9), wherein the first mounting holes (9) are respectively formed in four corners of the upper surface of the mounting base (1).

7. The compressor motor of the permanent magnet direct current refrigerator according to claim 1, wherein: the cylinder body is characterized by further comprising a square frame base (10), wherein the square frame base (10) is sleeved at the upper end of the outside of the cylinder body (2), and the four corners of the upper surface of the square frame base (10) are provided with second mounting holes (11).