CN219477792U

CN219477792U - Compact integrated motor

Info

Publication number: CN219477792U
Application number: CN202221238894.4U
Authority: CN
Inventors: 胡曙辉; 毛家慧
Original assignee: Ningbo Huayuan Machinery Technology Co ltd
Current assignee: Ningbo Huayuan Machinery Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2023-08-04
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to the field of motors and discloses a compact integrated motor which comprises a shell, a stator assembly and a rotor assembly, wherein the stator assembly and the rotor assembly are arranged in the shell, an expansion shell is arranged on the side face of the shell in an extending mode, a control board is arranged in the shell and comprises a power module, the power module is arranged in the expansion shell, a heat dissipation structure is arranged on the outer wall of the expansion shell, opposite to the power module, the stator assembly and the rotor assembly in the motor are distributed in a staggered mode, and therefore heating interference of the stator assembly and the rotor assembly can be avoided, and heat dissipation efficiency of the power module is effectively improved.

Description

Compact integrated motor

Technical Field

The utility model relates to the field of motors, in particular to a compact integrated motor.

Background

The existing permanent magnet motor controller is generally arranged outside the motor and is formed by connecting the controllers in series through a circuit, so that the size is large, the controller and the motor are arranged in a split mode, and the installation is inconvenient.

For the above reasons, chinese patent publication No. CN210111892U discloses a drive control apparatus, an integrated motor, and an automation control system, in which the drive control apparatus is connected with a motor body back and forth to form an integrated motor, and the drive control apparatus includes a circuit board including a drive control circuit and an I/O connection unit connected with the drive control circuit.

In the in-service use, the power module that possesses on the drive control circuit can rise temperature fast when the motor is running, and the rotor subassembly of motor is when rotating, and stator subassembly and rotor subassembly can generate heat equally, adopts the mode of connection around above-mentioned, can seriously influence power module's radiating efficiency, leads to the mainboard to have higher risk of burning out.

Disclosure of Invention

Aiming at the defects of poor heat dissipation and easy burnout of the circuit board arranged at the rear end of the motor in the prior art, the utility model provides the compact integrated motor capable of effectively improving the heat dissipation efficiency of the circuit board.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

the utility model provides a compact integral type motor, includes casing and built-in stator module and the rotor subassembly in the casing, and the casing side extends has an expansion shell, is provided with a control panel in the casing, and the control panel includes power module, and power module is located expansion shell, is provided with heat radiation structure in being right power module department on expansion shell outer wall.

By adopting the scheme, the shell extends to be provided with the expansion shell, the power module of the control panel is distributed at the expansion shell, so that the power module is staggered with the stator assembly and the rotor assembly, the heat of the stator assembly and the rotor assembly is not directly conducted to the power module, the heat of the power module is directly emitted by the heat radiation structure on the expansion shell, the heat radiation efficiency of the power module can be effectively improved, and the influence of heat generation of the stator assembly and the rotor assembly on the power module is avoided.

Preferably, the heat dissipation structure comprises a plurality of heat dissipation fins protruding from the outer wall of the expansion shell at positions opposite to the power module.

By adopting the scheme, the heat dissipation fins can increase the contact area with air, so that heat dissipation is accelerated.

Preferably, the inner wall of the expansion shell is convexly provided with a heat conduction block attached to the power module.

By adopting the scheme, the heat conducting block is attached to the power module, so that heat conduction can be accelerated, heat on the power module is rapidly conducted from the heat conducting block to the heat radiating fins, and the heat radiating efficiency is improved.

Preferably, the outer wall of the expansion shell is recessed towards the power module, the heat dissipation fins are arranged in the grooves, and the end parts of the heat dissipation fins are flush with the outer wall of the expansion shell.

By adopting the scheme, the radiating fins are arranged in the grooves, the end parts of the radiating fins are flush with the outer wall of the expansion shell, the lines are smooth and attractive, and objects or people are prevented from being scratched.

Preferably, the casing comprises a front casing and a rear cover, the front casing comprises a main casing for accommodating the stator assembly and the rotor assembly and an expansion casing extending outwards from one side of the main casing, and the front casing, the control board and the rear cover are fixedly connected through screws.

By adopting the scheme, after the front shell, the control panel and the rear cover are fixed by the screws, the control panel can be limited to move.

The utility model has the remarkable technical effects due to the adoption of the technical scheme: the shell body side is extended and is provided with the expansion shell, distributes the power module of control panel in expansion shell department, makes power module and stator module and rotor subassembly stagger, and stator module and rotor subassembly's heat can not direct conduction to power module department, and power module's heat is direct to be distributed by the heat radiation structure on the expansion shell, and above-mentioned setting can effectively improve power module's radiating efficiency, avoids stator module and rotor subassembly to generate heat to power module's influence.

Drawings

Fig. 1 is a split view of a compact integrated motor of the present embodiment;

fig. 2 is a front view of a compact integrated motor of the present embodiment;

FIG. 3 is a cross-sectional view of A-A of FIG. 2;

fig. 4 is a cross-sectional view of B-B of fig. 2.

The names of the parts indicated by the numerical reference numerals in the above drawings are as follows: 1. a front shell; 101. a main housing; 102. expanding the shell; 1021. a groove; 2. a rear cover; 3. a control board; 301. a power module; 4. radiating fins; 5. a heat conduction block; 6. a stator assembly; 7. a permanent magnet; 8. a rotating shaft.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Examples

The utility model provides a compact integral type motor, refer to the fig. 1 and show, including the casing and set up stator module 6 and the rotor subassembly in the casing, the casing is whole to be made by metal, be convenient for dispel the heat, the casing includes preceding shell 1, preceding shell 1 is fixed with the main casing 101 of stator module 6 and the expansion shell 102 that extends perpendicularly in main casing 101 one side after including the uplift, expansion shell 102 thickness is less than main casing 101 thickness, stator module 6 internal rotation is provided with the rotor subassembly, the rotor subassembly includes pivot 8 and fixes the permanent magnet 7 on pivot 8, the one end of pivot 8 extends outside the main casing 101.

The casing still includes the back lid 2 that can seal whole preceding shell 1, be provided with the control panel 3 of steerable rotor subassembly rotational speed, direction of rotation in the casing, control panel 3 is current control panel 3, this scheme does not make the improvement to it, preceding shell 1, control panel 3 and back lid 2 pass through the fix with screw, specifically, preceding shell 1 and control panel 3's four corners department is provided with the through-hole, back lid 2's four corners department is provided with the screw hole, screw pass behind the through-hole on preceding lid and the control panel 3 with the screw hole close-fitting of back lid 2.

In order to avoid the influence of heat emitted by the stator assembly 6 and the rotor assembly on the control board 3 when the motor operates, referring to fig. 1 and 4, components including the power module 301 on the control board 3 are distributed on the expansion shell 102, wherein the power module 301 is distributed at the center of the expansion shell 102, so that the components are completely staggered with the stator assembly 6 and the rotor assembly, a fit clearance exists between one end of the rotating shaft 8, which is positioned in the front shell 1, and the control board 3, and a heat dissipation structure is arranged on the outer wall of the expansion shell 102 at the position opposite to the power module 301 for rapid heat dissipation of the power module 301, thereby avoiding burning of the control board 3.

Referring to fig. 2-3, the heat dissipation structure includes a recess 1021 concavely disposed on the outer wall of the expansion shell 102 toward the power module 301, a plurality of protruding heat dissipation fins 4 are distributed at intervals at the bottom of the recess 1021, one end of each heat dissipation fin 4 away from the recess 1021 is flush with the outer wall of the expansion shell 102, so that the heat dissipation area is increased, the attractiveness is maintained, the heat dissipation fins 4 are prevented from protruding to scratch articles or human bodies, in order to further increase the heat dissipation performance, a heat conduction block 5 attached to the power module 301 is protruding on the inner wall of the expansion shell 102, and after the power module 301 heats, heat is directly conducted to the expansion shell 102 through the heat conduction block 5 and then dissipated through the heat dissipation fins 4.

The improved scheme distributes components of the control board 3 in the expansion shell 102, is separated from the stator assembly 6 and the rotor assembly, avoids the adverse effect of heating of the stator assembly 6 and the rotor assembly on the control board 3, and can effectively radiate heat generated by the power module 301 due to the heat radiation structure arranged on the expansion shell 102 and has attractive appearance.

Claims

1. A compact integrated motor comprising a housing and a stator assembly (6) and a rotor assembly built into the housing, characterized in that: an expansion shell (102) extends from the side face of the shell, a control board (3) is arranged in the shell, the control board (3) comprises a power module (301), the power module (301) is located in the expansion shell (102), and a heat dissipation structure is arranged on the outer wall of the expansion shell (102) at a position opposite to the power module (301).

2. A compact integrated motor as recited in claim 1, characterised in that: the heat dissipation structure comprises a plurality of heat dissipation fins (4) which are convexly arranged on the outer wall of the expansion shell (102) at positions opposite to the power module (301).

3. A compact integrated motor as recited in claim 2, characterised in that: the inner wall of the expansion shell (102) is convexly provided with a heat conduction block (5) which is attached to the power module (301).

4. A compact integrated motor as recited in claim 2, characterised in that: the outer wall of the expansion shell (102) is recessed with a groove (1021) towards the direction of the power module (301), and the heat dissipation fins (4) are arranged in the groove (1021) and the end parts of the heat dissipation fins are flush with the outer wall of the expansion shell (102).

5. A compact integrated motor as recited in claim 1, characterised in that: the shell comprises a front shell (1) and a rear cover (2), wherein the front shell (1) comprises a main shell (101) for accommodating a stator assembly (6) and a rotor assembly and an expansion shell (102) extending outwards from one side of the main shell (101), and the front shell (1), the control panel (3) and the rear cover (2) are fixedly connected through screws.