Wheel hub motor and control method thereof
A technology of hub motor and control method, which is applied in the direction of electronic commutation motor control, control system, synchronous motor with stationary armature and rotating magnet, etc., which can solve the problems of increasing processing difficulty, weak anti-interference ability, and installation of position detection device Limited space and other issues, to save cost and installation space, strong impact and oil pollution resistance, and improve rapid response
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Example Embodiment
[0063] Example one
[0064] figure 1 It is a schematic diagram of the overall structure of an in-wheel motor with an external opposite side according to the first embodiment of the present invention, figure 2 It is a schematic diagram of the three-dimensional structure of a hub motor with an external opposite side according to an embodiment of the present invention. Such as figure 1 And combine figure 2 As shown, the present invention provides a hub motor, including a motor shaft 1 and a stator 2 fixed thereon. The stator 2 is sheathed with a rotor housing 3, and the front and rear ends of the rotor housing 3 pass through a rotor end cover 4 and a bearing, respectively. 5 is rotatably fixed on the motor shaft 1, the outer side of the rotor end cover 4 at the rear end is connected with the hub brake assembly 9, and the rotor housing 3 is connected with the hub 6. The corresponding position of the in-wheel motor is provided with a position detection device. The position detection...
Example Embodiment
[0074] Example two
[0075] Figure 5 It is a cross-sectional view of the overall structure of the external hub motor on the same side of the second embodiment of the present invention; Image 6 It is a schematic diagram of the three-dimensional structure of an external hub motor on the same side in the second embodiment of the present invention. Such as Figure 5 And combine Image 6 As shown, in this embodiment, the position detection device and the servo controller 18 are arranged on the same side of the stator 2, and the servo controller 18 is fixed on the opposite side of the stator 2 where the hub brake assembly 9 is installed. The mounting holes on the PCB board of the servo controller 18 and the threaded holes on the chassis 20 are fixed by screws; the magnetic steel ring 11 in the position detection device is inside the motor rotor end cover 4 on the opposite side of the mounting hub brake assembly 9 The stepped part is clearance fit and fixed; the Hall PCB board 102 wit...
Example Embodiment
[0118] Example three
[0119] Picture 12 It is a schematic diagram of the overall structure of the built-in hub motor in the third embodiment of the present invention; Figure 13 This is the assembly diagram of the built-in hub motor in the third embodiment of the present invention. Such as Picture 12 And combine Figure 13 As shown, in the hub motor of this embodiment, the servo controller 18 is arranged in the inner cavity of the motor, and the servo controller 18 is equipped with a hub brake through the mounting hole on the servo controller PCB board and the stator bracket 22 The threaded holes on the opposite side of the assembly 9 are positioned and locked on the stator support 22 by screws. The outer cover is provided with a rotor end cover 4.
[0120] Such as Picture 12 And combine figure 1 , Figure 5 As shown, the built-in structure of the controller in this embodiment is compared with the external structure in the first and second embodiments. The servo controller 18 i...
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