Integrated component, motor controller and powertrain

By designing integrated components that integrate housing and capacitance core, the existing motor controller has solved the problem of many parts and low integration, and the miniaturization and compactness of the motor controller have been achieved.

CN117279258BActive Publication Date: 2025-05-20HUAWEI DIGITAL POWER TECH CO LTD
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Patent Information

Application Number
CN202311134498.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-31
Publication Date
2025-05-20
Estimated Expiration
2043-08-31

AI Technical Summary

Technical Problem

The existing motor controller has a large number of parts and low integration, resulting in complex assembly and poor compactness, which makes the motor controller larger in size.

Method used

Design an integrated assembly, including an integrated housing and a capacitive core, accommodates the circuit board and liquid-cooled radiator through a compact layout of fixed and support columns, improving integration and compactness.

Benefits of technology

By reducing the number of parts and increasing the integration, the motor controller is miniaturized, the assembly process is simplified, and the overall compactness is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117279258B_ABST
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Abstract

An integrated component, a motor controller and a powertrain are provided in an embodiment of the present application. The integrated component includes an integrated housing and a capacitor core, the integrated housing is used to accommodate the capacitor core, the integrated housing includes a first surface and a second surface opposite to each other along a first direction, the first surface includes two rows of fixed columns and two rows of supporting columns, each row of fixed columns includes a plurality of fixed columns, and each row of supporting columns includes a plurality of supporting columns. Along the second direction, a plurality of fixed columns in each row of fixed columns are arranged at intervals, and a plurality of supporting columns in each row of supporting columns are arranged at intervals. Along the third direction, two rows of supporting columns are arranged at intervals, and two rows of fixed columns are arranged at intervals between the two rows of supporting columns. The integrated component provided in the present application has a high degree of integration and strong compactness, and can reduce the components of the motor controller, thereby reducing the volume of the motor controller.
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Claims

1. An integrated component for a motor controller, characterized in that: The integrated component includes an integrated housing and a capacitor core, the integrated housing is used to accommodate the capacitor core, the integrated housing includes a first surface and a second surface opposite to each other along a first direction, the capacitor core is accommodated in a cavity formed by the first surface and the second surface, the first surface includes two rows of fixing columns and two rows of supporting columns, each row of the fixing columns includes a plurality of fixing columns, the plurality of fixing columns are integratedly designed on the first surface, each row of the supporting columns includes a plurality of supporting columns, and the ends of the plurality of supporting columns are plug-in structures, wherein: Along the second direction, the plurality of fixing columns in each row of the fixing columns are arranged at intervals, and the plurality of supporting columns in each row of the supporting columns are arranged at intervals; Along the third direction, the two rows of support columns are arranged at intervals, and the two rows of fixing columns are arranged at intervals between the two rows of support columns.

2. The integrated assembly according to claim 1, characterized in that: The first surface includes a row of Hall cores, and the row of Hall cores includes a plurality of Hall cores, wherein: Along the second direction, the plurality of Hall cores are arranged at intervals, and each Hall core is arranged between two adjacent support pillars.

3. The integrated assembly according to claim 2, characterized in that: The first surface includes a plurality of mounting grooves, the plurality of mounting grooves are arranged at intervals along the second direction, and each of the mounting grooves is used to mount one of the Hall cores.

4. The integrated assembly according to claim 3, characterized in that: The integrated component includes a plurality of copper busbar connectors, each of which is used to electrically connect a power module, and each of the Hall cores includes a core through hole, each of which is used to penetrate a copper busbar connector along the third direction.

5. The integrated component according to any one of claims 1 to 4, characterized in that: The second surface comprises a filter cavity, the filter cavity is used to accommodate a filter, and an opening of the filter cavity faces along the first direction.

6. A motor controller, characterized in that: The motor controller comprises a liquid cooling radiator, a plurality of power modules and an integrated assembly as claimed in any one of claims 1 to 5, each of the power modules comprises at least one power tube, each of the power tubes is electrically connected to the capacitor core, and the integrated housing comprises two cooling liquid through holes, wherein: Along the first direction, the two coolant through holes respectively penetrate the integrated housing; Along the second direction, the two cooling liquid through holes are arranged at intervals.

7. The motor controller according to claim 6, characterized in that: The liquid cooling radiator and the integrated housing are stacked and arranged along a first direction; Along the second direction, the distance between the two cooling liquid through holes is smaller than the length of the liquid cooling radiator; Along the third direction, the diameter of each of the cooling liquid through holes is smaller than the width of the liquid cooling radiator.

8. The motor controller according to claim 7, characterized in that: Each of the power modules includes a plurality of DC power input terminals, each of the DC power input terminals is used to electrically connect one of the power tubes and the capacitor core, and the plurality of DC power input terminals are arranged in sequence along one side of the liquid-cooled radiator.

9. The motor controller according to claim 7, characterized in that: The motor controller includes a circuit board, which is used to control the operation of the power tubes in the multiple power modules. The circuit board includes an isolation belt, multiple power tube signal terminal connection areas and a power supply circuit component installation area, a control circuit component and a control signal interface installation area, wherein: Along the first direction, the multiple power modules are stacked and arranged on the circuit board respectively; Along the second direction, the power supply circuit component installation area, the control circuit component, and the control signal interface installation area are sequentially spaced and distributed, and the multiple power tube signal terminal connection areas are sequentially spaced and distributed; Along the third direction, the plurality of power tube signal terminal connection areas are distributed on one side of the isolation zone, and the power supply circuit component installation area, the control circuit component, and the control signal interface installation area are distributed on the other side of the isolation zone.

10. The motor controller according to claim 9, characterized in that: The motor controller includes an upper shell and a lower shell. The liquid-cooled radiator and the integrated component are stacked between the upper shell and the lower shell along the first direction. The lower shell includes two coolant channels, and the two coolant channels are respectively used to connect the two coolant through holes.

11. The motor controller according to claim 10, characterized in that: The lower housing includes two coolant openings, each of which is used to communicate with one of the coolant through holes, and each of the coolant openings is oriented along the first direction, wherein: Along the second direction, the distance between the two cooling liquid openings is smaller than the length of the liquid cooling radiator; Along the third direction, a diameter of each of the coolant openings is smaller than a width of the liquid-cooled radiator.

12. The motor controller according to claim 11, characterized in that: The lower shell includes two coolant interfaces, each of which is used to connect to a coolant opening through a coolant channel, each of the coolant openings is oriented along the third direction, and the spacing between the two coolant openings along the second direction is less than the length of the liquid-cooled radiator.

13. The motor controller according to claim 10, characterized in that: The upper housing includes a control signal connector mounting hole and a plurality of DC connector mounting holes, wherein: The control signal connector mounting hole is used to mount a control signal connector, the control signal connector is used to receive a control signal, and the opening of the signal connector faces along the second direction; The plurality of DC connector mounting holes are respectively used to mount a plurality of DC connectors, the opening directions of the plurality of DC connector mounting holes include at least one of the first direction and the second direction, and the plurality of DC connectors are respectively used to transmit direct current.

14. A powertrain, characterized in that: The powertrain includes a motor and a motor controller as described in any one of claims 6 to 13, and the motor controller is used to drive the motor.

Citation Information

Patent Citations

  • Motor controller and vehicle with same

    CN115250590A

  • Dual-motor controller, power module thereof and electric vehicle

    CN216252565U