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Energy resource recycling motor driver and electric vehicle

A motor driver and energy recovery technology, applied in electric vehicles, motors, current collectors, etc., can solve the problems of affecting the driving distance of the battery, complicated circuits, and frequent driver operations.

Inactive Publication Date: 2009-04-22
何伟斌
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing electric vehicles use the electric energy in the battery as the energy source, and the battery can output a large current in the process of going uphill to complete the driving of the vehicle. In the process of braking, a lot of heat is generated on the brake device; in addition, when driving on a flat road, when encountering an emergency or a red light, it is necessary to brake, and these brakes will consume energy; the total weight of the vehicle The size directly affects the driving distance of the battery
[0003] In general, battery-powered electric vehicles generate relatively low voltage when coasting, and cannot directly charge the battery. In the existing patented technology, the voltage is boosted to charge the battery, and a power generator is required. Controller, the efficiency of recycling by this method is extremely low, the circuit is complex, the failure rate is high, the driver needs to operate frequently, and very few can really be used

Method used

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  • Energy resource recycling motor driver and electric vehicle

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Embodiment Construction

[0009] An energy recovery motor driver, including a control circuit installed on a circuit board, a power tube excitation circuit, and a power drive circuit, is characterized in that the motor driver can not only drive the motor to rotate, but also charge the electric energy output by the motor to the battery; The vehicle is equipped with a brake signal acquisition element, which is electrically connected to the driver; the speed adjustment device includes a signal acquisition element, and the signal generated by the acquisition element can be used as a speed signal or as a brake strength signal; the power in the driver The drive circuit is a field effect tube bridge circuit; at least one power tube is turned off after at least two power tubes on the upper or lower bridge arm of the bridge circuit are turned on, so that the motor winding generates a freewheeling current, and the freewheeling current flows to the battery Charging; a rotor position sensor is installed on the DC b...

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Abstract

The invention discloses an energy recovery motor driver, comprising a control circuit arranged on a circuit board, a power tube drive circuit and a power driving circuit, and is characterized in that the motor driver can not only drive a motor to rotate but also recharge storage batteries with the electrical energy output by the rotating of the motor. The invention also discloses an electric car with the driver which is characterized in that a storage battery, a front wheel, a rear wheel, speed control equipment, a steering device, a lighting device and a three-phase DC brushless motor are arranged on the frame of the electric car. The electric car can recover electrical energy at any time, improve the utilization efficiency of the battery electrical energy, and increase the mileage of the car in the process of driving.

Description

technical field [0001] The invention relates to an energy recovery motor driver, in particular to an energy recovery electric vehicle driver and an electric vehicle. Background technique [0002] Existing electric vehicles use the electric energy in the battery as the energy source, and the battery can output a large current in the process of going uphill to complete the driving of the vehicle. In the process of braking, a lot of heat is generated on the brake device; in addition, when driving on a flat road, when encountering an emergency or a red light, it is necessary to brake, and these brakes will consume energy; the total weight of the vehicle The size directly affects the driving distance of the battery. [0003] In general, battery-powered electric vehicles generate relatively low voltage when coasting, and cannot directly charge the battery. In the existing patented technology, the voltage is boosted to charge the battery, and a power generator is required. For th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P6/08H02P6/24H02J7/14B60L7/10
CPCY02T10/642Y02T10/7005Y02T10/64Y02T10/70
Inventor 何伟斌
Owner 何伟斌
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