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Motor and control device thereof

A technology for controlling devices and rotating electrical machines, applied in electromechanical devices, connecting with control/driving circuits, electrical components, etc., can solve problems such as difficulty in solving the strength, and achieve the effects of improving cost performance, suppressing reflected waves, and reducing labor costs.

Inactive Publication Date: 2013-12-04
北京睿德昂林新能源技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this scheme, the three-phase line of the rotor is connected to the driver, and the driver is on the rotating body, and the strength becomes a difficult problem during high-speed operation.

Method used

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  • Motor and control device thereof
  • Motor and control device thereof
  • Motor and control device thereof

Examples

Experimental program
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Embodiment Construction

[0031] Embodiments of the present invention will be described below with reference to the drawings.

[0032] In this embodiment, the motor and its control device are composed of 9 parts: 1. Stator assembly, 2. Rotor assembly, 3. Rear end cover assembly, 4. Cylindrical cavity base, 5. Capacitor assembly, 6. Outlet assembly , 7. Power semiconductor device module, 8. Control board assembly, 9. Cover assembly.

[0033] The basic principle of the motor and its control device is: after the external DC power supply enters the control device, the control board component analyzes the external control command to form a weak current command, which is amplified by the power device to form a three-phase AC current that drives the motor, and the motor converts electrical energy into mechanical energy. , the motor rotor position and the AC current value are used as feedback to participate in the closed-loop operation.

[0034] The motor and its control device are structurally integrated and...

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Abstract

Provided is a motor and a control device thereof. The motor is provided with a stator assembly 1 provided with a cooling duct in the inside, a rotor assembly 2, a coaxially installed rotary transformer stator 31, a rotary motor provided with a rear end cover assembly 3 of at least one motor winding outgoing line window 321 along the axial direction and a control device installed at the non-shaft output end of the rotary motor and extending along the axial direction. The control device is composed of a column-shaped cavity base body 4 provided with a water inlet 44 communicated with a power device module cooling cavity, a semi-arc column-shaped capacitor assembly 5 installed in the column-shaped cavity base body 4, a semi-arc column outgoing line assembly 6 including two current sensor assemblies 62 embedded in the inside, a power semiconductor device module 7 installed between the capacitor assembly 5 and the outgoing line assembly 6, a control board assembly 8 installed above the capacitor assembly 5 and the outgoing line assembly 6, an annular groove installed on the outer side of the column-shaped cavity base body 4 and provided with an installing O-shaped ring 91 on one side, an end cover 91 provided with at least one bus fastening port 921 provided with inner threads and a cover body assembly 9 of an air communicating device 94.

Description

Technical field [0001] The invention relates to a motor and its control device, in particular to a motor with a current conversion device and its control device. Background technique [0002] Miniaturization and high energy density of motors and their control devices are effective means to improve cost performance. [0003] At present, the commonly used medium and high-power motors and their control devices adopt a split structure. The motor and the controller are separated in space. The strong electrical connection between the two, the control of the weak electrical connection and the connection of the cooling channel require additional components. , high cost and many failure points. [0004] The utility model with the application number 201020510225.9 records the integrated motor and controller assembly. The controller is arranged on the upper part of the motor in the radial direction and is mechanically connected and fixed by the shock absorber and the motor. The liqui...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/20H02K5/04H02K11/00H05K7/20H02K11/30H02K11/33
Inventor 杨玉春谷孝娟王国强
Owner 北京睿德昂林新能源技术有限公司
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