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Electric device, electric vehicle and method for driving and braking electric device and electric vehicle and extending ranges of electric device and electric vehicle

A technology of electric devices and electric vehicles, which is applied in the direction of electric vehicles, power devices, control drives, etc., to achieve the effects of simple structure, short mileage and diversified combinations

Inactive Publication Date: 2016-10-05
刘粤荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects of the internal structure of the existing DC motor for electric vehicles, provide an internal structure different from the traditional design, and at the same time change the direct current into a sequence of alternating non-energized directions through the power modulator Current power supply scheme, simple structure, large torque, and easy process

Method used

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  • Electric device, electric vehicle and method for driving and braking electric device and electric vehicle and extending ranges of electric device and electric vehicle
  • Electric device, electric vehicle and method for driving and braking electric device and electric vehicle and extending ranges of electric device and electric vehicle
  • Electric device, electric vehicle and method for driving and braking electric device and electric vehicle and extending ranges of electric device and electric vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0094] A kind of electric device is arranged on the two-wheeled vehicle of rear wheel, and the partial structure of matching vehicle frame 4 is as follows Figure 1d As shown, the circumference of the wheel is 1000mm, and the battery pack 8b is a 24V12Ah lithium iron phosphate battery installed inside the frame. The rotating body 6 of the electric device is an annular titanium-aluminum alloy ring with a rotating shaft and a circumference of 100mm. The coaxial 7 in the rotating body is equipped with a disc with a fixed shaft. The external mechanical parameters of the fixed shaft of the disc refer to the supporting two wheels. The data design of the car is used to replace the fixed wheel shaft of the conventional two-wheeled vehicle and installed. A stator unit 3a is installed on the disk; a deceleration / torque conversion device 2 composed of several gears is arranged on the outside of the rotating body. The swivel body is installed at the center of the shaft, and the reduction ...

Embodiment 2

[0102] An electromagnetic braking function is added to the electric device of embodiment 1.

[0103] The electromagnetic braking device 9b of the electric vehicle is a ten-stage rheostat, and the power modulator increases the braking signal input terminal 1e to be electrically connected to the electromagnetic braking device; when the electromagnetic braking device is manually controlled to send a braking signal, the power modulator cuts off T 1 corresponding to the timing current, start T 2 Time domain power supply, the power supply time domain is set as the time period when the sensing unit 3c senses the rotor unit 3b around the axis to the position where θ is from 30 degrees to θ is 0.

[0104] The brake current output by the power modulator corresponds to the ten-level resistance of the electromagnetic braking device 9b, which is set to ten-level intensity. The set output current intensity is: the first level is 5A, the last level is 16A, and the ten-level current is set on...

Embodiment 3

[0107] The braking logic of the electric device in Embodiment 2 is further optimized as follows: the power modulator starts T 2 While powering up in the time domain, the T 0 part of the time-domain operating logic is switched synchronously for power-up, the T 0 Part of the time domain value and (T 1 +T 2 ) are equal, T 0 The moment of energization starts when θ is 0; the power modulator starts at this T 0 The current intensity output in part of the time domain is related to T 2 Same time domain.

[0108] In this embodiment, the braking energization of the windings of the stator unit increases the time domain in which the rotor unit and the stator unit are in a state of separation, and strengthens the effect of electromagnetic force braking. The braking energization time domain can also be briefly set corresponding to the periodic sequence T as: at (T 1 +T 2 +T 0 ) sequence, the first 1 / 3 time domain is powered off, and then the 2 / 3 time domain is powered on. The afor...

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Abstract

The invention discloses an electric device and an electric vehicle. The electric device comprises a power modulator, a driving control device, stator unit, at least four permanent magnet rotor units and a rotator. The rotator is an annular mechanical ring with a driving shaft, and the rotor units with identical magnetic pole directions are arranged on the rotator at intervals; the stator unit is provided with at least one fixed position, the fixed positions of the stator unit are close to the rotator, and periodic relative air gaps between the stator unit and the rotor units are not larger than 70 mm; electromagnetic poles of the stator units are opposite to magnetic poles, which move to face the stator units, of the rotor units; instructions of users can be acquired by the power modulator via the driving control device / an electromagnetic braking device, and time-sequence currents can be correspondingly outputted by the power modulator, so that the electric device can be driven / braked. The electric vehicle comprises a frame, battery packs and at least one wheel and is provided with at least one electric device. Electric energy can be supplemented to the storage battery pack by a range extending system in set logic states.

Description

technical field [0001] The invention relates to the field of electric vehicle and its power supply power design, in particular to a mechanical structure of an electric device, a method for designing a sequential current for driving and braking, and a method for extending the range of the electric vehicle. Background technique [0002] The current mainstream of the domestic electric bicycle market is to use electric wheels. This type of electric wheel actually deforms the motor traditionally arranged on the shaft into the hub. The hot spot in the electric vehicle industry is the development of passenger hub motors, also known as in-wheel motors, whose biggest feature is the integration of power, transmission and braking devices into the hub; Beyond the hub body (generally including hub motors, brake discs, brake calipers, active suspension motors, suspensions, shock absorbing springs, etc.), its technical significance is very limited, and the existing motors are far from meet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M6/65B60L15/00B60K7/00
Inventor 刘粤荣李德伦
Owner 刘粤荣
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