CN211720432U

CN211720432U - Structure of built-in controller in oil injection type motor

Info

Publication number: CN211720432U
Application number: CN202020494039.4U
Authority: CN
Inventors: 顾挺
Original assignee: ZHANGJIAGANG CASS SEMICONDUCTOR CO Ltd; Zhangjiagang Kaicheng Software Technology Co ltd; Jiangsu Xiechang Electronic Technology Co ltd
Current assignee: ZHANGJIAGANG CASS SEMICONDUCTOR CO Ltd; Zhangjiagang Kaicheng Software Technology Co ltd; Jiangsu Xiechang Electronic Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-10-20
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a structure of built-in controller in oiling formula motor, including motor shaft, casing, side cover, aluminum support and silicon steel sheet, casing and side cover enclose into quick-witted chamber, are provided with the oil filler point to the machine intracavity oiling on the side cover, are provided with the sealing plug on the oil filler point, and aluminum support is the tube-shape, and the motor shaft stretches into in the quick-witted chamber and rotates the assembly through bearing and aluminum support, and the silicon steel sheet forms the stator on being fixed in aluminum support's the outer fringe wall, and the controller is fixed in on the aluminum support and places in the quick-witted chamber in. The motor is integrated with the controller, saves the whole vehicle space, avoids complex whole vehicle wiring harness, can meet the setting requirement by adopting a mode of bridging a plurality of PCB boards according to the size of the inner space, and adopts heat-dissipating oily liquid to dissipate heat, so that the heat dissipation effect is obvious, and the stability of the whole vehicle in the driving process is improved.

Description

Structure of built-in controller in oil injection type motor

Technical Field

The utility model relates to a motor structure especially relates to a structure of built-in controller in oiling formula motor.

Background

The electric vehicle is a vehicle which takes a battery as an energy source, converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. Nowadays, an electric vehicle has become a main vehicle for people to travel in short distance, and an electric vehicle controller is one of important parts of the electric vehicle. At present, when an electric vehicle controller is used, the temperature of the controller rises rapidly, heat is difficult to dissipate rapidly, when the power of the electric vehicle controller reaches a certain rated value, the power of the electric vehicle controller can only be limited in a lower range due to the limitation of the temperature, the larger the output power of the controller is, the faster the electric vehicle controller generates heat, the lower the stability of the electric vehicle controller after the controller generates heat, electronic components inside the controller are easy to damage due to poor heat dissipation performance, in addition, most electric vehicle controllers of manufacturers are provided with a controller box independently to place the electric vehicle controller, the space of the whole vehicle is occupied, and complicated wiring harness operation of the whole vehicle is inconvenient, so that the problem is urgently solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of built-in controller in oiling formula motor to solve current electric vehicle controller and occupy that the whole car space is big, whole car pencil is loaded down with trivial details, the poor scheduling problem of heat dissipation ability.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a structure of built-in controller in oiling formula motor, it includes the motor shaft, a housing, the side cover, aluminium support and silicon steel sheet, the casing encloses into quick-witted chamber with the side cover, be provided with the oil filler point to the machine intracavity oiling on the side cover, be provided with the sealing plug on the oil filler point, aluminium support is the tube-shape, the motor shaft stretches into in the machine chamber and rotates the assembly through bearing and aluminium support, the silicon steel sheet forms the stator on being fixed in aluminium support's the outer fringe wall, the controller is fixed in on the aluminium support and place in the machine chamber.

The controller comprises a housing, a first PCB, a first heat dissipation aluminum substrate and an aluminum plate, the housing and the aluminum support enclose a controller cavity, a functional component and a first power MOS tube are arranged on the first PCB, a heat dissipation surface of the first power MOS tube is attached to the first heat dissipation aluminum substrate, the first heat dissipation aluminum substrate is attached to the aluminum plate, the aluminum plate is attached to the inner surface of the aluminum support, and the housing, the first PCB, the first heat dissipation aluminum substrate, the aluminum plate and the aluminum support are sequentially fixed through bolts.

The controller further comprises a second PCB which is limited by the size of the cavity space of the controller and located outside the aluminum support, a second power MOS tube is arranged on one surface of the second PCB, which faces the aluminum support, a second heat dissipation aluminum substrate is attached to the heat dissipation surface of the second power MOS tube and provided with the second heat dissipation aluminum substrate, the second heat dissipation aluminum substrate is attached to the outer surface of the aluminum support, and the second PCB is fixedly connected with the aluminum support through a bolt.

The first PCB is provided with a conductive copper column, the conductive copper column penetrates through the aluminum support and is electrically connected with the second PCB, an insulating partition plate is arranged between the second PCB and the aluminum support, an insulating column is arranged on the insulating partition plate corresponding to the conductive copper column, and the insulating column is sleeved outside the conductive copper column and is separated from the aluminum support.

The outer surface of the aluminum support is provided with a concave cavity, and the second PCB, the second power MOS tube and the second heat dissipation aluminum substrate are located in the concave cavity and do not exceed the outer end plane of the aluminum support.

Wherein, press from both sides between casing and the side cover and be equipped with the sealing washer to link firmly through the bolt.

To sum up, the beneficial effects of the utility model are that, compared with the prior art, the structure of built-in controller in the oiling motor places the motor in the controller integrative, has saved whole car space, stops loaded down with trivial details whole car pencil, and according to the inner space size, can adopt the mode of polylith PCB board bridging to satisfy the needs of setting up to adopt the oily liquid of heat dissipation to dispel the heat, the radiating effect is obvious, has improved the stability of whole car driving in-process.

Drawings

Fig. 1 is a first external view of a structure of a built-in controller in an oil injection type motor according to an embodiment of the present invention;

fig. 2 is a second external view of the structure of the built-in controller in the oiling motor according to the embodiment of the present invention;

fig. 3 is an exploded schematic view of a structure of a built-in controller in an oil injection type motor according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a controller in a structure of a built-in controller in an oil injection type motor according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present embodiment provides a structure of a built-in controller in an oiling motor, which includes a motor shaft 1, a casing, an edge cover 2, an aluminum bracket 3, and a silicon steel sheet 4.

The machine cavity is enclosed by the machine shell and the side cover 2, and a sealing ring is clamped between the machine shell and the side cover 2 and is fixedly connected through a bolt. An oil filling hole 5 for filling oil into the machine cavity is formed in the side cover 2, and a sealing plug is arranged on the oil filling hole 5.

The aluminum support 3 is in a cylindrical shape, the motor shaft 1 extends into the machine cavity and is rotatably assembled with the aluminum support 3 through a bearing, the silicon steel sheet 4 is fixed on the outer edge wall of the aluminum support 3 to form a stator, and the controller is fixed on the aluminum support 3 and is arranged in the machine cavity. The motor is in the form of an inner stator and an outer rotor, a rotor winding is arranged on a machine shell, and a motor shaft 1 rotates together with an edge cover 2 and the machine shell.

The controller includes housing 6, first PCB board 7, first heat dissipation aluminium base board 8 and aluminum plate 9, housing 6 encloses synthetic controller chamber with aluminium support 3, be provided with function components and parts 10 and first power MOS pipe 11 on the first PCB board 7, the cooling surface of first power MOS pipe 11 pastes with first heat dissipation aluminium base board 8 and pastes, first heat dissipation aluminium base board 8 pastes with aluminum plate 9 and pastes, aluminum plate 9 pastes with the internal surface of aluminium support 3 again and pastes, housing 6, first PCB board 7, first heat dissipation aluminium base board 8, aluminum plate 9, aluminium support 3 loops through the bolt fastening.

The controller further comprises a second PCB 12 limited by the size of the cavity space of the controller, the second PCB 12 is located outside the aluminum support 3, a second power MOS tube 13 is arranged on one surface, facing the aluminum support 3, of the second PCB 12, a second heat dissipation aluminum substrate 14 is attached to the heat dissipation surface of the second power MOS tube 13, the second heat dissipation aluminum substrate 14 is attached to the outer surface of the aluminum support 3, and the second PCB 12 is fixedly connected with the aluminum support 3 through bolts.

The first PCB 7 is provided with a conductive copper column 15, the conductive copper column 15 penetrates through the aluminum support 3 and is electrically connected with the second PCB 12, an insulating partition plate 16 is arranged between the second PCB 12 and the aluminum support 3, an insulating column 17 is arranged on the insulating partition plate 16 corresponding to the conductive copper column 15, the insulating column 17 is sleeved outside the conductive copper column 15 and is separated from the aluminum support 3, and the insulating partition plate 16 is provided with a yielding hole 18 allowing the second heat-dissipation aluminum substrate 14 to penetrate through.

A concave cavity 19 is arranged on the outer surface of the aluminum support 3, and the second PCB 12, the second power MOS transistor 13 and the second heat dissipation aluminum substrate 14 are located in the concave cavity 19 and do not exceed the outer end plane of the aluminum support 3.

The MOS tube can be fixed by welding, operated by adopting a tin furnace tool clamp, directly pasted on an aluminum substrate and conducted through a bridging circuit or in other implementation forms.

To sum up, this structure of built-in controller in oiling motor places the motor in the controller integrative, has saved whole car space, stops loaded down with trivial details whole car pencil, and according to the inner space size, can adopt the mode of polylith PCB board bridging to satisfy the needs of setting up to adopt heat dissipation oily liquid to dispel the heat, the radiating effect is obvious, has improved the stability of whole car driving in-process.

The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a structure of built-in controller in oiling formula motor, a serial communication port, including motor shaft, casing, side cover, aluminum support and silicon steel sheet, the casing with the side cover encloses into quick-witted chamber, be provided with the oil filler point to the machine intracavity oiling on the side cover, be provided with the sealing plug on the oil filler point, aluminum support is the tube-shape, the motor shaft stretch into in the machine chamber and through the bearing with aluminum support rotating assembly, the silicon steel sheet is fixed in form the stator on aluminum support's the outer fringe wall, the controller is fixed in place in the machine chamber on the aluminum support.

2. The structure of the built-in controller in the oiling motor according to claim 1, wherein: the controller includes housing, first PCB board, the aluminium base board of first heat dissipation and aluminum plate, the housing with the aluminium support encloses synthetic controller chamber, be provided with function components and parts and first power MOS pipe on the first PCB board, the cooling surface of first power MOS pipe with the aluminium base board of first heat dissipation pastes and leans on, the aluminium base board of first heat dissipation with aluminum plate pastes and leans on, aluminum plate again with the internal surface of aluminium support pastes and leans on, housing, first PCB board, the aluminium base board of first heat dissipation, aluminum plate, aluminium support loop through the bolt fastening.

3. The structure of the built-in controller in the oiling motor according to claim 2, wherein: the controller further comprises a second PCB (printed circuit board) limited by the size of the cavity space of the controller, the second PCB is located outside the aluminum support, a second power MOS (metal oxide semiconductor) tube is arranged on one surface of the second PCB, facing the aluminum support, a second heat dissipation aluminum substrate is attached to the heat dissipation surface of the second power MOS tube, the second heat dissipation aluminum substrate is attached to the outer surface of the aluminum support, and the second PCB is fixedly connected with the aluminum support through a bolt.

4. The structure of the built-in controller in the oiling motor according to claim 3, wherein: be provided with electrically conductive copper post on the first PCB board, electrically conductive copper post passes aluminium support and with second PCB board electricity is connected, the second PCB board with be provided with insulating barrier between the aluminium support, correspond on the insulating barrier electrically conductive copper post is provided with insulating post, insulating post cover is established outside the electrically conductive copper post, with it with aluminium support separates.

5. The structure of the built-in controller in the oiling motor according to claim 3, wherein: and a concave cavity is formed in the outer surface of the aluminum support, and the second PCB, the second power MOS tube and the second heat dissipation aluminum substrate are positioned in the concave cavity and do not exceed the outer end plane of the aluminum support.

6. The structure of the built-in controller in the oiling motor according to claim 1, wherein: and a sealing ring is clamped between the shell and the side cover and is fixedly connected through a bolt.