CN215009782U

CN215009782U - Motor capable of simultaneously solving heat dissipation of motor interior and drive plate

Info

Publication number: CN215009782U
Application number: CN202121338458.XU
Authority: CN
Inventors: 齐院宁
Original assignee: Dongguan Xiaoqiang Electronic Technology Co ltd
Current assignee: Dongguan Xiaoqiang Electronic Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-03
Anticipated expiration: 2031-06-16

Abstract

The utility model relates to a solve inside and drive plate radiating motor of motor in three-phase motor field, including stator group, rotor shaft core, protecgulum and hou gai, the inside of back lid is equipped with the inner chamber, and the back lid is equipped with the bleeder vent that switches on with the inner chamber, and the inner chamber is equipped with fan impeller, and fan impeller is fixed to penetrate the rear end of rotor shaft core, drives by rotor shaft core and carries out synchronous rotation, and the rear end face fixed mounting of back lid has a drive circuit board, and drive circuit board carries out electric connection with the phase line. Set up dirver circuit board in the rear end face of back lid, effectively reduce the installation space of product, realize motor and drive integration, fan impeller is driven by rotor shaft core and is carried out synchronous rotation, because fan impeller, dirver circuit board and motor are inside on same wind channel, the motor circular telegram during operation, form a large amount of airflows on the wind channel, can solve the inside heat dissipation problem of motor and dirver circuit board simultaneously, improve the whole work efficiency of motor, reduce the heat dissipation cost of other motors, the life of extension motor.

Description

Motor capable of simultaneously solving heat dissipation of motor interior and drive plate

Technical Field

The utility model relates to a three-phase machine field, concretely relates to solve the inside and radiating motor of drive plate of motor simultaneously.

Background

With the development of the industry, the demand of each electric device for the motor is increasing. The whole heat dissipation of motor always is the problem that the motor exists for a long time, motor during operation, the heat can be gathered on motor inside and main control board usually, consideration based on whole cost and the whole volume of product, current motor can not add heat radiation structure in addition, set up the fin through the motor casing outside usually and dispel the heat, this kind of radiating mode radiating effect is relatively poor, can not form heat dissipation channel, the inside heat of motor is difficult to give off outward, the heat is gathered more after the long-term work of motor, thereby influence the normal work of motor, and then shorten the life of motor. In addition, the existing motor main control board and the motor main body belong to two independent parts, so that the space occupied by the whole motor can be increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above defect, provide and solve the inside and the radiating motor of drive plate of motor simultaneously, its radiating effect is good, can dispel the heat to the inside and drive plate of motor simultaneously.

The utility model aims at realizing through the following mode:

the motor comprises a stator group, a rotor shaft core, a front cover and a rear cover, wherein the front cover is installed at the periphery of the front end of the stator group, the rear cover is installed at the periphery of the rear end of the stator group, the stator group is electrically connected with a phase line, the rotor shaft core penetrates through the center of the stator group and is respectively and fixedly installed at the centers of the front cover and the rear cover through bearings, an inner cavity is formed in the rear cover, air holes communicated with the inner cavity are formed in the rear cover, a fan impeller is arranged in the inner cavity and fixedly penetrates into the rear end of the rotor shaft core and is driven by the rotor shaft core to synchronously rotate, a driving circuit board is fixedly installed on the rear end face of the rear cover, and the driving circuit board is electrically connected with the phase line.

In the above description, as a preferable mode, a heat sink is further provided between the rear cover and the driving circuit board, and the heat sink is clamped between the rear cover and the driving circuit board.

In the above description, as a preferable scheme, the rear end face of the rear cover is provided with two or more positioning columns extending vertically backward, the edge of the heat sink is clamped on the positioning columns for fixing, the driving circuit board is provided with positioning holes corresponding to the positioning columns, and the driving circuit board is locked and fixed by screws.

In the above description, as a preferable scheme, the edges of the front cover and the rear cover are respectively provided with more than two connecting holes, and are fixedly connected through bolts which are paired and penetrate through the connecting holes.

In the above description, as a preferred scheme, the outer side surface of the rear cover is provided with a wire protection groove for facilitating orderly arrangement of the phase lines, and the wire protection groove extends to the edge of the driving circuit board. The motor and the driving circuit board are integrated after being welded, compared with the manufacturing mode of a traditional brushless motor external driving board, the manufacturing process of the product can be greatly reduced, so that the manufacturing cost is effectively reduced, meanwhile, the phase lines are orderly arranged along the wire protecting grooves and are finally welded and fixed with the driving circuit board, the reliability and the stability of the motor can be greatly improved, and the packaging, the transportation and the assembly are more convenient.

The utility model discloses produced beneficial effect is: set up dirver circuit board in the rear end face of back lid, effectively reduce the installation space of product, realize motor and drive integration, and simultaneously, fan impeller is driven by rotor shaft core and is carried out synchronous rotation, because fan impeller, dirver circuit board and motor are inside on same wind channel, the motor circular telegram during operation, rotor shaft core drives fan impeller rotatory, form a large amount of airflows on the wind channel, can solve the inside heat dissipation problem who reaches dirver circuit board of motor simultaneously, improve the whole work efficiency of motor, reduce other motor heat dissipation costs, the life of extension motor.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

in the figure, 1 is a front cover, 2 is a rear cover, 3 is a stator group, 4 is a rotor shaft core, 5 is a phase line, 6 is a wire protecting groove, 7 is a positioning column, 8 is a bolt, 9 is a fan impeller, 10 is a driving circuit board, and 11 is a radiating fin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the present embodiment, referring to fig. 1 and fig. 2, a motor for solving heat dissipation inside the motor and a driving board includes a stator assembly 3, a rotor shaft core 4, a front cover 1 and a rear cover 2, where the front cover 1 is installed on the periphery of the front end of the stator assembly 3, the rear cover 2 is installed on the periphery of the rear end of the stator assembly 3, the stator assembly 3 is electrically connected with a phase line 5, and the rotor shaft core 4 penetrates through the center of the stator assembly 3 and is respectively and fixedly installed in the centers of the front cover 1 and the rear cover 2 through bearings. The edges of the front cover 1 and the rear cover 2 are respectively provided with four connecting holes, and the front cover and the rear cover are fixedly connected through bolts 8 which are paired and penetrate through the connecting holes.

The outer side surface of the rear cover 2 is provided with a wire protecting groove 6 which is convenient for the phase lines 5 to be arranged neatly, and the wire protecting groove 6 extends to the edge of the driving circuit board 10. The motor forms an organic whole with dirver circuit board 10 after the welding, compares with the manufacturing approach of the external drive plate of traditional brushless motor, the manufacturing process of the product that can significantly reduce to effectively reduce manufacturing cost, simultaneously, phase line 5 neatly arranges along wire casing 6, welds fixedly with dirver circuit board 10 at last, can improve the reliability and the stability of motor greatly, the packing of being more convenient for, transportation and assembly.

The inside of back lid 2 is equipped with the inner chamber, and back lid 2 is equipped with the bleeder vent that switches on with the inner chamber to be equipped with fan wheel 9 in the inner chamber, fan wheel 9 is fixed to penetrate the rear end of rotor axle core 4, is driven by rotor axle core 4 and carries out synchronous rotation, and the rear end face fixed mounting of back lid 2 has drive circuit board 10, and drive circuit board 10 carries out electric connection with phase line 5. A heat sink 11 is further arranged between the rear cover 2 and the driving circuit board 10, and the heat sink 11 is clamped between the rear cover 2 and the driving circuit board 10. The rear end face of the rear cover 2 is provided with four positioning columns 7 which extend backwards vertically, the edge of the radiating fin 11 is clamped on the positioning columns 7 to be fixed, the driving circuit board 10 is provided with positioning holes corresponding to the positioning columns 7, and the driving circuit board 10 is locked and fixed through screws.

Set up dirver circuit board 10 in the rear end face of back lid 2, effectively reduce the installation space of product, realize motor and drive integration, and simultaneously, fan wheel 9 is driven by rotor shaft core 4 and is carried out synchronous rotation, because fan wheel 9, dirver circuit board 10 and motor are inside on same wind channel, the motor circular telegram during operation, rotor shaft core 4 drives fan wheel 9 rotatory, form a large amount of airflows on the wind channel, can solve the inside heat dissipation problem that reaches dirver circuit board 10 of motor simultaneously, improve the whole work efficiency of motor, reduce other motor heat dissipation costs, the life of extension motor.

The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as the utility model discloses a protection scope.

Claims

1. Solve inside and the radiating motor of drive plate of motor simultaneously, including stator group, rotor shaft core, protecgulum and hou gai, the protecgulum is installed in the front end periphery of stator group, and the back lid is installed in the rear end periphery of stator group, and stator group electric connection has the phase line, and the center of stator group is passed to the rotor shaft core to through the center of bearing difference fixed mounting at protecgulum and back lid, its characterized in that: the inside of back lid is equipped with the inner chamber, and the back lid is equipped with the bleeder vent that switches on with the inner chamber to be equipped with the fan impeller at the inner chamber, the fixed rear end that penetrates rotor shaft core of fan impeller is driven by rotor shaft core and is carried out synchronous rotation, and the rear end face fixed mounting of back lid has drive circuit board, and drive circuit board carries out electric connection with the phase line.

2. The motor of claim 1 for simultaneously solving the problems of heat dissipation inside the motor and the heat dissipation of the driving plate, wherein: and a radiating fin is arranged between the rear cover and the drive circuit board, and the radiating fin is clamped between the rear cover and the drive circuit board.

3. The motor of claim 2 for simultaneously solving the problems of heat dissipation inside the motor and the heat dissipation of the driving plate, wherein: the rear end face of the rear cover is provided with more than two positioning columns which vertically extend backwards, the edges of the radiating fins are clamped on the positioning columns for fixing, and the driving circuit board is provided with positioning holes corresponding to the positioning columns in position and is locked and fixed through screws.

4. The motor for simultaneously solving the problems of heat dissipation inside the motor and the heat dissipation of the driving board according to any one of claims 1 to 3, wherein: the edge of protecgulum and back lid all is equipped with two above connecting holes to carry out fixed connection through the bolt of pairing penetrating the connecting hole.

5. The motor for simultaneously solving the problems of heat dissipation inside the motor and the heat dissipation of the driving board according to any one of claims 1 to 3, wherein: the lateral surface of back lid is equipped with the wire casing of being convenient for the phase line neatly arranges, and the wire casing extends to drive circuit board's edge.