CN218648692U

CN218648692U - High-efficient radiating low noise motor

Info

Publication number: CN218648692U
Application number: CN202222246617.4U
Authority: CN
Inventors: 王运帅; 徐桂冰
Original assignee: Suzhou Jinzhongwei Technology Co ltd
Current assignee: Suzhou Jinzhongwei Technology Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-03-17
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to a high-efficient radiating low noise motor, which comprises an upper bracket, stator module, the brush subassembly, the rotor subassembly, aviation baffle and reducing gear box, the reducing gear box includes the radiator-hood body, the downside at the rotor subassembly is connected to the radiator-hood body, the internal radiator fan that is provided with of radiator-hood, the thermovent of intercommunication stator module's inner chamber is seted up to the upside of the radiator-hood body, radiator fan is connected with the rotor shaft of rotor subassembly, radiator fan includes the connection pad, go up radiator blade and lower radiator blade, the connection pad is connected with the rotor shaft, it connects the upper surface at the connection pad to go up radiator blade, lower radiator blade connects the lower surface at the connection pad. The beneficial effects of the utility model are that: compared with the traditional external centrifugal fan, the built-in heat dissipation fan has the advantages that the noise is relieved, and the built-in heat dissipation fan is safer for operators; the cooling fan comprises an upper cooling blade and a lower cooling blade, so that the rotor can dissipate heat conveniently on one hand, and the reduction gearbox can dissipate heat conveniently on the other hand.

Description

High-efficient radiating low noise motor

Technical Field

The utility model relates to a motor processing technology field, specific be a high-efficient radiating low noise motor.

Background

An electric machine is a device that converts electrical energy into mechanical energy. The electromagnetic power generating device utilizes an electrified coil to generate a rotating magnetic field and acts on a rotor to form magnetoelectric power rotating torque. The motors are classified into dc motors and ac motors according to the power sources used, and most of the motors in the power system are ac motors, which may be synchronous motors or asynchronous motors. The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in the magnetic field is related to the current direction and the magnetic induction line direction. The working principle of the motor is that the magnetic field exerts force on current to rotate the motor. In the heat dissipation process of a general motor, an external centrifugal fan is adopted for heat dissipation, so that the noise generated in the heat dissipation process is large, and the general internal fan adopts single fan blades, so that the motor body and the reduction gearbox are inconvenient to dissipate heat at the same time, and the heat dissipation effect is poor.

Disclosure of Invention

In order to overcome at least partial defect among the prior art, the embodiment of the utility model provides a high-efficient radiating low noise motor, simple structure, convenient to use can improve the radiating effect of motor.

The utility model relates to a high-efficient radiating low noise motor, including upper bracket, stator module, brush subassembly, rotor subassembly, aviation baffle and reducing gear box, the upper end of rotor subassembly with the upper bracket is connected, the stator module encircles the setting of rotor subassembly, be provided with the aviation baffle between stator module and the rotor subassembly, 2U-shaped structures are formed in the bending of aviation baffle both sides, form the direction passageway that is used for leading the air current in the U-shaped structure, the brush subassembly is connected in the upper bracket inboard, the reducing gear box is connected in the downside of stator module;

the reduction gearbox comprises a heat dissipation cover body, the heat dissipation cover body is connected to the lower side of the rotor assembly, a heat dissipation fan is arranged in the heat dissipation cover body, a heat dissipation opening communicated with the inner cavity of the stator assembly is formed in the upper side of the heat dissipation cover body, the heat dissipation fan is connected with the rotor shaft of the rotor assembly, the heat dissipation fan comprises a connecting disc, an upper heat dissipation blade and a lower heat dissipation blade, the connecting disc is connected with the rotor shaft, the upper heat dissipation blade is connected to the upper surface of the connecting disc, and the lower heat dissipation blade is connected to the lower surface of the connecting disc.

Further, the inner cavity of the heat dissipation cover body is provided with an arc-shaped air guide structure, and the side surface of the heat dissipation cover body is provided with an air outlet.

Furthermore, the upper bracket is connected with an upper support bearing, and the upper end of the rotor shaft is connected with the upper support bearing.

Further, the bottom of the heat dissipation cover body is connected with a lower support bearing, the lower end of the rotor shaft is connected with the lower support bearing, and the lower support bearing is located below the heat dissipation fan.

Furthermore, a first connecting cylinder with a threaded hole inside is connected to the side face of the heat dissipation cover body, a second connecting cylinder with a through hole inside is connected to the outer side of the stator assembly, a connecting bolt penetrates through the second connecting cylinder, and the lower end of the connecting bolt is in threaded connection with the first connecting cylinder.

Furthermore, the quantity of aviation baffle is 2, 2 the deflector is the axisymmetric setting along the axis of rotor subassembly.

Furthermore, the quantity of brush subassembly is 2, 2 the brush subassembly is followed the axis symmetry of upper bracket sets up.

Further, the upper support bearing and the lower support bearing are both roller bearings.

The utility model discloses an useful part lies in: compared with the traditional external centrifugal fan, the built-in heat dissipation fan has the advantages that noise is relieved, and the built-in heat dissipation fan is safer for operators; the cooling fan comprises an upper cooling blade and a lower cooling blade, so that the rotor can be cooled conveniently, the reduction gearbox can be cooled conveniently, and the designed motor has better running condition under the same motor configuration; the built-in cooling fan is adopted, so that the manufacturing difficulty of the tool is low, and the cost is low;

the motor adopts the air that the aviation baffle got into to lead, can improve the probability that the air current passed between rotor subassembly and the stator module for the air current absorbs rotor subassembly or stator module's heat more easily, with the maximization of motor radiating effect.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a low-noise motor with efficient heat dissipation.

Fig. 2 is a schematic structural diagram of the heat dissipation cover body.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a high-efficient radiating low noise motor in a preferred embodiment, including upper bracket 1, stator module 2, brush component 3, rotor subassembly 4, aviation baffle 5 and reducing gear box 6, the upper end of rotor subassembly 4 is connected with upper bracket 1, stator module 2 encircles rotor subassembly 4 sets up, be provided with aviation baffle 5 between stator module 2 and the rotor subassembly 4, aviation baffle 5 both sides are bent and are formed 2U-shaped structures 51, form the direction passageway 52 that is used for leading the air current in the U-shaped structure 51, brush component 3 is connected in the upper bracket 1 inboard, reducing gear box 6 is connected in the downside of stator module 2; the motor adopts the air that aviation baffle 5 got into to lead, can improve the probability that the air current passed from between rotor subassembly 4 and stator module 2 for the air current absorbs rotor subassembly 4 or stator module 2's heat more easily, with the motor radiating effect maximize.

The reduction gearbox 6 comprises a heat dissipation cover body 7, the heat dissipation cover body 7 is connected to the lower side of the rotor assembly 4, a heat dissipation fan 8 is arranged in the heat dissipation cover body 7, a heat dissipation port communicated with the inner cavity of the stator assembly 2 is formed in the upper side of the heat dissipation cover body 7, the heat dissipation fan 8 is connected with the rotor shaft 41 of the rotor assembly 4, the heat dissipation fan 8 comprises a connecting disc 81, an upper heat dissipation blade 82 and a lower heat dissipation blade 83, the connecting disc 81 is connected with the rotor shaft 41, the upper heat dissipation blade 82 is connected to the upper surface of the connecting disc 81, and the lower heat dissipation blade 83 is connected to the lower surface of the connecting disc 81. The built-in heat dissipation fan 8 is adopted, compared with the traditional external centrifugal fan, the noise is relieved, and the fan is safer for operators; the cooling fan 8 comprises an upper cooling blade 82 and a lower cooling blade 83, so that the rotor can be cooled conveniently on one hand, and the reduction gearbox 6 can be cooled conveniently on the other hand, and the running condition of the designed motor is better under the same motor configuration; and adopt built-in radiator fan 8, the preparation degree of difficulty of frock is lower, and the cost is also lower.

In the above embodiment, the inner cavity of the heat dissipation cover 7 is provided with an arc-shaped air guiding structure 71, and the side surface of the heat dissipation cover 7 is provided with an air outlet 72. An arc-shaped air guide structure 71 is arranged in a heat dissipation cover body 7 of the reduction gearbox 6, and a single air outlet 72 is formed by matching the air guide plate 5 with the arc-shaped air guide structure 71, so that the heat of the motor is discharged at the maximum efficiency; and the arrangement of the arc-shaped air guide structure 71 can obviously reduce the noise generated by the air flow.

In the above embodiment, in order to provide effective support for the rotor shaft 41 and reduce the possibility of noise generation or damage during the rotation of the rotor shaft 41, the upper bracket 1 is connected with an upper support bearing, and the upper end of the rotor shaft 41 is connected with the upper support bearing. The bottom of the heat dissipation cover body 7 is connected with a lower support bearing, the lower end of the rotor shaft 41 is connected with the lower support bearing, and the lower support bearing is located below the heat dissipation fan 8. In an actual implementation process, the upper support bearing and the lower support bearing are both roller bearings.

In the above embodiment, the first connection tube 71 having a threaded hole therein is connected to the side surface of the heat dissipating cover 7, the second connection tube 21 having a through hole therein is connected to the outside of the stator assembly 2, the connection bolt (not shown) is inserted into the second connection tube 21, and the lower end of the connection bolt is screwed to the first connection tube 71.

In the above embodiment, the number of the air deflectors 5 is 2, and the 2 air deflectors 5 are arranged axially symmetrically along the central axis of the rotor assembly 4.

In the above embodiment, the number of the brush assemblies 3 is 2, and 2 brush assemblies 3 are symmetrically arranged along the central axis of the upper bracket 1.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be changes in the specific embodiments and the application range, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a high-efficient radiating low noise motor which characterized in that: the wind power generator comprises an upper support, a stator assembly, a brush assembly, a rotor assembly, a wind deflector and a reduction gearbox, wherein the upper end of the rotor assembly is connected with the upper support, the stator assembly is arranged around the rotor assembly, the wind deflector is arranged between the stator assembly and the rotor assembly, two sides of the wind deflector are bent to form 2U-shaped structures, a guide channel for guiding airflow is formed in each U-shaped structure, the brush assembly is connected to the inner side of the upper support, and the reduction gearbox is connected to the lower side of the stator assembly;

the reduction box comprises a heat dissipation cover body, the heat dissipation cover body is connected to the lower side of the rotor assembly, a heat dissipation fan is arranged in the heat dissipation cover body, a heat dissipation opening communicated with the inner cavity of the stator assembly is formed in the upper side of the heat dissipation cover body, the heat dissipation fan is connected with the rotor shaft of the rotor assembly, the heat dissipation fan comprises a connecting disc, an upper heat dissipation blade and a lower heat dissipation blade, the connecting disc is connected with the rotor shaft, the upper heat dissipation blade is connected to the upper surface of the connecting disc, and the lower heat dissipation blade is connected to the lower surface of the connecting disc.

2. The efficient heat dissipation low noise motor of claim 1, wherein: the inner chamber of the heat dissipation cover body is provided with an arc-shaped air guide structure, and the side surface of the heat dissipation cover body is provided with an air outlet.

3. The efficient heat dissipating, low noise motor of claim 1, wherein: the upper bracket is connected with an upper support bearing, and the upper end of the rotor shaft is connected with the upper support bearing.

4. A high efficiency heat dissipating, low noise electric motor as claimed in claim 3, wherein: the bottom of the heat dissipation cover body is connected with a lower supporting bearing, the lower end of the rotor shaft is connected with the lower supporting bearing, and the lower supporting bearing is located below the heat dissipation fan.

5. The efficient heat dissipation low noise motor of claim 1, wherein: the side face of the heat dissipation cover body is connected with a first connecting cylinder with a threaded hole inside, the outer side of the stator assembly is connected with a second connecting cylinder with a through hole inside, a connecting bolt penetrates through the second connecting cylinder, and the lower end of the connecting bolt is in threaded connection with the first connecting cylinder.

6. The efficient heat dissipation low noise motor of claim 1, wherein: the number of the air deflectors is 2, and the 2 air deflectors are arranged in an axisymmetric mode along the central axis of the rotor assembly.

7. The efficient heat dissipating, low noise motor of claim 1, wherein: the quantity of brush subassembly is 2, 2 the brush subassembly is followed the axis symmetry of upper bracket sets up.

8. A high efficiency heat dissipating, low noise electric motor as claimed in claim 4, wherein: the upper support bearing and the lower support bearing are both roller bearings.