WO2015089942A1

WO2015089942A1 - Electric vehicle

Info

Publication number: WO2015089942A1
Application number: PCT/CN2014/072631
Authority: WO
Inventors: 孙木楚; 谢继发
Original assignee: 深圳市台铃电动车有限公司
Priority date: 2013-12-20
Filing date: 2014-02-27
Publication date: 2015-06-25
Also published as: CN203888981U

Abstract

Disclosed is an electric vehicle which has a body-building mode, a power assisting mode, and an electric mode. In the power assisting mode, the electric vehicle can be driven both manually and electrically by a battery, and the current output by the battery can be adjusted according to the power assisting level, i.e. the electric driving power can be adjusted according to the power assisting level. Therefore, a rider can choose a suitable power assisting level to satisfy the requirements of body building and riding speed, in order to achieve a satisfying riding speed without requiring too much effort by the feet.

Description

Electric vehicle

Technical field

The invention relates to an electric vehicle.

Background technique

The current electric vehicles can be roughly divided into a fully electric drive type and can be driven by a human power when the electric drive is turned off. The former is completely driven by electric power, does not conform to the concept of energy saving and environmental protection, and the rider cannot exercise by pedaling; There is also no corresponding design for the rider's physical training. Since only two modes are included: full electric drive and full manual drive, in full manual drive mode, the ride speed is slower and the physical exertion of the rider is more Large, therefore, can not balance the requirements of both physical exercise and driving speed, and can not display certain parameters that meet the fitness requirements, such as the frequency of foot rotation, calorie consumption.

Summary of the invention

The technical problem to be solved by the present invention is that, in view of the deficiencies of the prior art, an electric vehicle is designed, which has a fitness mode, a power assist mode, and an electric mode. In the assist mode, the electric vehicle can be driven by battery power and manpower at the same time, and the battery output is The current can be adjusted according to the boosting gear position, and the electric driving force can be adjusted according to the assisting gear position. Therefore, the rider can select the appropriate power assisting gear to meet the requirements of fitness and riding speed at the same time. A satisfactory riding speed can be achieved with a large foot force.

The technical solution adopted by the present invention to solve the technical problem thereof is: Constructing an electric vehicle including a vehicle body and a power system, the power system being mounted on the vehicle body; the power system including a control panel for providing an operation control interface, and being connected to the control panel for integration a controller for controlling the power system, a display connected to the controller for displaying an operating state of the electric vehicle, and a motor connected to the controller for powering the electric vehicle, An actuator connected to the motor for transmitting artificial power to the motor, and a booster for respectively connecting the controller and the actuator for providing artificial power to the electric vehicle, the motor also being The vehicle bodies are connected.

Preferably, the control panel is configured to control the controller, the control panel includes a mode switching switch for switching an operating mode of the controller, and a power gear switching for switching a power assist position of the motor switch.

Preferably, the controller is provided with a power input switch for controlling the power input of the motor to be turned on and off.

Preferably, the controller includes a current control unit, the current control unit is provided with a current gear switch for controlling a magnitude of an effective value of an input current of the motor, the current gear switch and the booster gear The bit switch is connected.

Preferably, the working mode of the controller includes: a fitness mode, an assist mode, and an electric mode; when the mode switch on the control panel is switched to the fitness mode, the controller turns off the power input switch And a boost gear shift switch, when the mode switch on the control panel is switched to the assist mode, the controller turns on the power input switch and the power gear shift switch; when on the control panel The mode switching switch is switched to the electric mode, and the controller turns on the power input switch and the boost gear shift switch, and switches the boost gear switch to the highest gear position.

Preferably, the power-assisted gear shift switch includes a predetermined number of gear positions, and the number of gear positions of the current gear shift switch is the same as and corresponding to the number of gear positions of the power-assisted gear shift switch, when the controller When the assisted gear shift switch is sensed to be at the highest gear position, the current gear shift switch is also adjusted to the highest gear position; when the controller senses that the power assist gear shift switch is at the lowest gear position The current gear switch is also adjusted to the lowest gear position.

Preferably, the predetermined number of gear positions is five.

Preferably, the gear position of the current gear switch is positively correlated with the effective value of the input current of the motor, that is, the higher the gear position of the current gear switch, the effective value of the input current of the motor The bigger.

The electric vehicle of the invention has a fitness mode, a power assist mode and an electric mode. In the assist mode, the electric vehicle can be driven by battery power and manpower at the same time, and the current of the battery input motor can be adjusted according to the power assist gear position, or according to the power assist gear position. By adjusting the size of the electric driving force, the rider can select the appropriate power-assisted gear to meet the requirements of fitness and riding speed, and obtain a satisfactory riding speed without too much effort.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of an electric vehicle according to a preferred embodiment of the present invention.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

FIG. 1 is a schematic diagram showing the structure of an electric vehicle according to a preferred embodiment of the present invention. The electric vehicle includes:

a vehicle body 1 and a power system 2 for driving the vehicle body 1; wherein the power system 2 further comprises: a control panel 21 , controller 22, display 23, motor 24, actuator 25, booster 26 .

The control panel 21 is used to provide an operation control interface, and the controller 22 is controlled through an operation interface, and the controller 22 is used for comprehensively controlling the power system. 2, the display 23 is used to display the working state of the electric vehicle, the motor 24 is used to provide electric power to the electric vehicle, and the transmission 25 is used to transmit the artificial power to the motor 24, the booster 26 Used to provide artificial power to the electric vehicle; the controller 22 is connected to the control panel 21, the display 23 is connected to the controller 22, the motor 24 is connected to the controller 22, and the actuator 25 and the motor 24 Connected, booster 26 is connected to controller 22 and actuator 25, respectively, and motor 24 is also connected to body 1.

As a preferred embodiment, the control panel 21 includes means for switching the controller 22 The mode switching switch (not shown) of the working mode and the assist gear shifting switch (not shown) for controlling the assist position of the motor 24 are shown. Control panel 21 can be set in electric car body 1 The position that is easy to manually operate, as a preferred embodiment, can be placed in the middle of the handle of the vehicle body 1, which facilitates manual handling.

As a preferred embodiment, the controller 22 can be composed of a control chip and its peripheral circuits, and the controller 22 can be mounted to the control panel 21 Below; preferably, the controller 22 is provided with a power input switch (not shown) for controlling the power input of the motor 24.

The display 23 may be composed of a liquid crystal display. As a preferred embodiment, the display content may include the traveling speed of the electric vehicle and the vehicle body 1 The rotational frequency of the foot, the calorie consumption of the human body, the power consumption of the electric vehicle, the traveling speed, the single and total mileage, and the assist position of the motor 24.

As another preferred embodiment, the motor 24 can be a DC servo motor, the motor 24 Specifically, it can be: permanent magnet DC motor, brushless DC motor or high speed permanent magnet brushless motor.

As a further preferred embodiment, the actuator 25 can be a sprocket drive consisting of a drive wheel and a mating drive chain.

The booster 26 can be an electromagnetic torque sensor. As a preferred embodiment, a pulsed smart assist sensor can be selected.

As a preferred embodiment, the controller 22 The working modes include: a fitness mode, a boost mode, and an electric mode; in a state where the mode switch is switched to the fitness mode, the controller 22 is in the fitness mode, and the controller 22 The control power input switch and the assist gear shift switch are in an off state, and the motor 24 in this state is applied to the actuator by the booster 26 The artificial power drive is driven; in the state where the mode switch is switched to the assist mode, the controller 22 is in the assist mode, and the controller 22 controls the power input switch and the assist gear shift switch to be in the on state, the motor 24 The driving mode is driven by the gear position, and the battery of the electric vehicle and the rider can be driven together by pedaling at the same time; in the state where the mode switching switch is switched to the electric mode, the controller 22 is in the electric mode, and the controller 22 The control power input switch is in an open state, the control assist gear shift switch is in an open state, and the boost gear switch is switched to the highest gear position, and the controller 22 maintains a rated maximum current to the motor 24 output.

As a preferred embodiment, the controller 22 includes a current control unit (not shown) for controlling the motor 24 As a preferred embodiment of the effective value of the input current, the current control unit may specifically select a DC PWM (Pulse Width Modulation) controller, the current control unit can be set with a current gear switch (not shown), and the current gear switch is connected with the power assist switch of the controller 22.

As another preferred embodiment, the controller 22 The boosting gear position may include a predetermined number of gear positions, the number of gear positions of the current gear switch of the current control unit, and the controller 22 The number of gear positions of the assist gear shift switch is the same and is matched. As a preferred embodiment, the current gear switch and the power gear shift switch may specifically include 5 gear positions when the controller 22 When the auxiliary gear shift switch is at the highest gear position, that is, in the 5th gear, the current limit switch of the controller 22 controlling the current control unit is also in the 5th gear, and the controller 22 controls the motor 24 The input current is the rated maximum current. If the rider does not pedal, the motor 24 The input current is always the rated maximum current, then the electric vehicle is equivalent to the electric mode, but unlike the electric mode, the rider can also pedal in the 5th position of the assist mode, in which case the controller 22 controls Motor 24 The input current decreases as the rider's pedal output increases. When the assist gear shift switch of the controller 22 is in the lowest gear, that is, the first gear, the controller 22 The current gear switch of the control current control unit is also in the first gear, and the controller 22 controls the input current of the motor 24 to be 0; at this time, the electric vehicle is completely driven by the rider by pedaling. When the controller 22 When the assist gear shift switch is in the intermediate gear position, that is, in the 2-4 gear, the controller 22 controls the motor 24 to have an input current value greater than 0 and less than the rated maximum current, and the magnitude of the current value follows the controller 22 The number of gears in the booster gear increases. That is, the higher the gear position of the assist gear shift switch of the controller 22, the greater the input current of the controller 22 controlling the motor 24; when the controller 22 When the assist gear shift switch is in a certain gear position, if the rider does not pedal, the controller 22 controls the input current of the motor 24 to be the maximum current in the gear position.

When the controller 22 is in the fitness mode, as a preferred embodiment, the display content of the display 23 may include the traveling speed of the electric vehicle, the vehicle body 1 The rotational frequency of the foot, the calorie consumption value of the human body; when the controller 22 is in the assist mode, as a preferred embodiment, the display 23 The display content may include power consumption, travel speed, single and total mileage of the electric vehicle, and power assist position of the controller 22; when the controller 22 is in the electric mode, as a preferred embodiment, the display 23 The display content can include the power consumption, driving speed, single mileage and total mileage of the electric vehicle.

As a preferred embodiment, motor 24 feeds back output motor 24 to controller 22 The rotational speed signal, in particular, the rotational speed signal may include an angular value of the rotational angular velocity and the rotational angular velocity.

As another preferred embodiment, the booster 26 is directed to the controller 22 The boosting information, in particular, the assisting information may include a real-time torque value applied by the human body on the booster 26 through the foot, and a rotational angular velocity value of the foot and an acceleration value, and the controller 22 receives the booster 26 After the feedback of the boosting information, the contents displayed on the display 23 can be obtained by integrating other parameters, including the calorie consumption value of the human body, the power consumption of the electric vehicle, the traveling speed, the single mileage and the total mileage.

As a further preferred embodiment, the actuator 25 outputs the rotational speed value of the actuator 25 to the controller 22.

The electric vehicle of the preferred embodiment of the present invention has a fitness mode, a power assist mode, and an electric mode. There are three modes of riding. When the rider is tired and the physical strength is not enough, the control panel can be passed. The mode switch on the motor selects the electric mode to ride. At this time, the power of the electric car is completely provided by the battery. When the rider wants to exercise and the driving speed is not high, the control panel can be passed. The mode switch on the camera selects the fitness mode, and the power of the electric car is completely provided by the rider by pedaling. When the rider wants to get exercise while maintaining the desired ride speed, pass the control panel 21 The mode switch on the top selects the assist mode, in which the power of the electric vehicle is provided by the rider and the battery simultaneously, by adjusting the control panel 21 The assisted gear shift switch on the top selects the appropriate power shift position for satisfactory speed and riding comfort.

The above are only the preferred embodiments of the present invention, and those skilled in the art can make various changes or equivalents to these features and embodiments without departing from the spirit and scope of the invention. In addition, these features and embodiments may be modified to adapt to the specific circumstances and materials without departing from the spirit and scope of the invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all the embodiments falling within the scope of the claims of the present invention fall within the scope of the present invention.

Claims

An electric vehicle includes a vehicle body and a power system, the power system being mounted on the vehicle body, wherein the power system includes a control panel for providing an operation control interface, and is connected to the control panel a controller for comprehensively controlling the power system, a display connected to the controller for displaying an operating state of the electric vehicle, and a motor connected to the controller for powering the electric vehicle And an actuator connected to the motor for transmitting artificial power to the motor, and a booster for respectively connecting the controller and the actuator for providing artificial power to the electric vehicle, The motor is also connected to the vehicle body.
According to claim 1 The electric vehicle, characterized in that: the control panel is for controlling the controller, and the control panel comprises a mode switching switch for switching an operation mode of the controller and a power for switching the motor The gear position of the gear shift switch.
The electric vehicle according to claim 1, wherein said controller is provided with a power input switch for controlling the power input of said motor to be turned on and off.
According to claim 2 The electric vehicle is characterized in that: the controller comprises a current control unit, and the current control unit is provided with a current gear switch for controlling the magnitude of an effective value of an input current of the motor, the current file The position switch is connected to the boost position switch.
The electric vehicle according to claim 2, wherein: The working mode of the controller includes: a fitness mode, a power assist mode, and an electric mode; when the mode switch on the control panel is switched to the fitness mode, the controller turns off the power input switch and the a gear shift switch, when the mode switch on the control panel is switched to the assist mode, the controller turns on the power input switch and the power gear shift switch; when on the control panel When the mode switching switch is switched to the electric mode, the controller turns on the power input switch and the assist gear shift switch, and switches the boost gear switch to the highest gear position.
According to claim 4 The electric vehicle is characterized in that: the power-assisted gear shift switch comprises a predetermined number of gear positions, and the number of gear positions of the current gear position switch is the same as the number of gear positions of the power-assisted gear shift switch and is suitable Providing, when the controller senses that the power-assisted gear shift switch is at the highest gear position, adjusting the current gear position switch to the highest gear position; when the controller senses the power-assisted gear position When the switch is in the lowest gear position, the current gear switch is also adjusted to the lowest gear position.
The electric vehicle according to claim 6, wherein said predetermined number of gear positions is five.