CN116231998A - Transverse opposite motor driving device for electric motorcycle and motor - Google Patents

Abstract

The invention discloses a transverse opposite motor driving device and a motor for an electric motorcycle, and relates to the technical field of electric vehicles. The device comprises a fixed winding power set and a movable core which are oppositely arranged, wherein the fixed winding power set comprises a fixed winding, a solenoid-shaped wire winding arranged on the inner side of the fixed winding and a bushing arranged on the inner side of the solenoid-shaped wire winding, the movable core is arranged in the bushing and generates reciprocating movement under the action of a magnetic field formed by the fixed winding and the solenoid-shaped wire winding, the movable core is connected with a movement conversion mechanism, and the movement conversion mechanism converts the reciprocating movement of the movable core into rotary movement and outputs the rotary movement. The fixed winding and the solenoid-shaped wire winding form a complete magnetic field control structure together, so that the magnetic field can be intensively distributed in a set area, and the conversion efficiency of electric power, magnetic field and motion energy is improved; the movable core moves in a reciprocating manner and serves as a reciprocating movement part, and the movable core is set according to vibration and sound conditions.

Description

Transversely opposed motor drive device and motor for electric motorcycle

technical field

The invention relates to the technical field of electric vehicles, in particular to a transversely opposed motor driving device and a motor for electric motorcycles.

Background technique

The field of electric motorcycles needs an electric drive device, which can provide driving force for pure electric or hybrid motorcycles, so as to realize the running of the motorcycles. At present, the existing motor drive device is that the battery supplements the power supply. After the motor is powered on, a rotating magnetic field is generated to drive the rotor to rotate, and the rotor directly outputs the rotation.

The existing motor drive device is a reference to a common rotary motor, which has the following problems: (1) The starting torque is relatively low, and it is difficult to achieve the rapid acceleration performance of a conventional fuel motorcycle in the initial stage. (2) The installation method of the motor driving device has adverse effects on the vehicle handling and driving device. There are two installation positions, one is the hub motor, which is installed on the wheel, which increases the unsprung mass and wheel inertia, and affects the handling and passability of the vehicle; the other is the rotary motor installed under the frame, which is relatively The narrow body width limits the size of the rotary electric motor, which in turn takes up space in the power storage device.

Contents of the invention

The present invention provides a horizontally opposed motor drive device and motor for electric motorcycles. The existing motor drive device and motor have the following problems, the starting torque is relatively low, and it is difficult to achieve rapid acceleration of conventional fuel motorcycles at the start stage Performance; mounting style can adversely affect vehicle handling and drive.

In order to solve the above technical problems, embodiments of the present invention provide the following solutions:

On the one hand, an embodiment of the present invention provides a laterally opposed motor drive device for an electric motorcycle, which includes a fixed winding power group and a moving core arranged oppositely, and the fixed winding power group includes a fixed winding, a set The solenoid-shaped wire winding inside the fixed winding and the bushing arranged inside the solenoid-shaped wire winding, a moving core is arranged in the bush, and the moving core is arranged between the fixed winding and the bushing. The reciprocating motion is generated under the action of the magnetic field formed by the solenoid-shaped wire winding, and the moving core is connected to a motion conversion mechanism, and the motion converting mechanism converts the reciprocating motion of the moving core into a rotational motion output.

Preferably, the motion conversion mechanism includes a connecting rod, one end of the connecting rod is connected to the moving core in rotational motion, and the other end of the connecting rod is connected to the eccentric position of the balance weight through a connecting shaft, and the balance weight Connect the rotary motion shaft at the center position of the .

Preferably, the excitation structure of the device is a solenoid-shaped wire winding, which relies on the excitation effect of its own motor and starts by electricity; or, the device is started by an external starter.

Preferably, the fixed winding is made of ferromagnetic material, and the fixed winding is in the shape of a circular column.

Preferably, the moving core is a permanent magnet.

Preferably, the device further includes a power distribution box, which converts the vehicle power supply into voltage and current with specific curve characteristics, and sends them to the solenoid-shaped wire winding.

Preferably, the device further includes a cylinder, and the fixed winding power pack is installed in the cylinder.

On the other hand, an embodiment of the present invention provides an electric motor, including the above-mentioned transversely opposed motor driving device, and a fixed winding power group is installed on the motorcycle, and the fixed winding is installed on the motorcycle through the cylinder body. Above, the motion conversion mechanism converts the movement of the moving core into rotational motion output.

Preferably, the fixed winding power groups are arranged oppositely on both sides of the motorcycle, and the number of the fixed winding power groups located on one side of the motorcycle is odd or even.

Above-mentioned scheme of the present invention comprises following beneficial effect at least:

In the above solution, compared with the existing motor drive device, the horizontally opposed motor drive device of the present invention has a significantly improved starting torque when the volume is constant or the volume increment is small; and, the drive device has The installation volume is small, does not occupy the space of the power storage device, does not affect the unsprung mass, the weight is scattered, and does not affect the vehicle handling performance;

The horizontally opposed motor drive device and generator for electric motorcycles of the present invention include fixed winding power groups and moving cores oppositely arranged, and the fixed winding and the solenoid-shaped wire winding together form a complete magnetic field control structure. The magnetic field can be concentrated and distributed in the set area, and the conversion efficiency of "electricity-magnetic field-motion energy" is improved; the moving core performs reciprocating movement, and the moving core is used as a reciprocating moving part, and the moving core is set according to the vibration and sound conditions; the device's The excitation structure is a solenoid-shaped wire winding, relying on the excitation effect of its own motor, and relying on electric power to start; or, the device is started by an external starter; the power distribution box realizes the functions of speed control, power control, and kinetic energy recovery.

Description of drawings

Fig. 1 is the structural representation of the laterally opposed motor drive device for electric motorcycles of the present invention;

Fig. 2 is a cross-sectional schematic view of the laterally opposed motor drive device for electric motorcycles according to the present invention.

Reference signs:

1. Fixed winding power group; 2. Connecting rod; 3. Connecting shaft; 4. Shaft; 5. Fixed winding; 6. Solenoid wire winding; 7. Bushing; 8. Moving core.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

Embodiment one

As shown in Figures 1 to 2, this embodiment provides a laterally opposed motor drive device for electric motorcycles, which is used for pure electric or hybrid two-wheeled motorcycles and three-wheeled motorcycles (including Three-wheeled motorcycles, side three-wheeled motorcycles, side three-wheeled motorcycles, inverted three-wheeled motorcycles), driving devices or power devices on four-wheeled motorcycles. Compared with the existing motor drive device, the laterally opposed motor drive device of this embodiment has a significantly improved starting torque with a constant volume or a small increase in volume. Moreover, the installation volume of the driving device in this embodiment is small, does not occupy the space of the power storage device, does not affect the unsprung mass, the weight is dispersed, and does not affect the vehicle handling performance.

The device of this embodiment includes a fixed winding power group 1 and a moving core 8 arranged oppositely, and the fixed winding power group 1 and the moving core 8 are arranged horizontally, that is, the axis of the fixed winding power group 1 is arranged horizontally. The fixed winding power group 1 is installed in the cylinder body, and the cylinder body is used for installing the fixed winding power group 1 on the electric motorcycle. The fixed winding power group 1 includes a fixed winding 5, a solenoid-shaped wire winding 6 arranged inside the fixed winding 5, and a bushing 7 arranged inside the solenoid-shaped wire winding 6, and the bush 7 is used to isolate the external solenoid. The bobbin-shaped winding and the moving core 8 with permanent magnets inside provide support and trajectory guidance for the moving core 8 . The fixed winding 5 is made of ferromagnetic material, and the fixed winding 5 is in the shape of a circular column. The fixed winding 5 and the solenoid-shaped wire winding 6 together form a complete magnetic field control structure, so that the magnetic field can be concentrated and distributed in the set area, improving " The conversion efficiency of electricity-magnetic field-kinematic energy". A moving core 8 is arranged inside the bushing 7, and the moving core 8 is a permanent magnet. The power distribution box converts the on-board power supply into voltage and current with specific curve characteristics, and sends it to the solenoid-shaped wire winding 6, and the moving core 8 generates reciprocating movement under the action of the magnetic field formed by the fixed winding 5 and the solenoid-shaped wire winding 6 The moving core 8 is connected to a motion conversion mechanism, which converts the reciprocating movement of the moving core 8 into a rotary output, and the rotary motion is transmitted to the motorcycle's lower mechanism (including a speed change mechanism or a drive wheel) to drive the motorcycle. The moving core 8 of this embodiment performs reciprocating movement, and the moving core 8, as a reciprocating moving part, provides a settable vibration and sound, which originate from the device of this embodiment and its reciprocating moving parts . The excitation structure of the device in this implementation is a solenoid-shaped wire winding 6, which relies on the excitation effect of its own motor to start by electric power; or, the device starts by an external starter. The power distribution box of this embodiment realizes the functions of speed control, power control, and kinetic energy recovery.

The motion conversion mechanism includes a connecting rod 2. One end of the connecting rod 2 is rotatably connected to the moving core 8. The other end of the connecting rod 2 is connected to the eccentric position of the balance weight through the connecting shaft 3, and the rotating shaft 4 is connected to the center position of the balance weight. .

The working process of the laterally opposite motor drive device for electric motorcycle of the present invention is as follows:

The power distribution box converts the on-board power supply into voltage and current with specific curve characteristics, and sends them to the solenoid-shaped wire winding 6. The fixed winding 5 and the solenoid-shaped wire winding 6 together form a complete magnetic field control structure. The moving core 8 reciprocates under the control of the magnetic field, and the reciprocating movement of the moving core 8 is converted into rotational motion through the connecting rod 2 , the balance weight and the shaft 4 , and the rotational motion is output through the shaft 4 .

Embodiment two

This embodiment provides an electric motor, which includes a horizontally opposed motor drive device, a fixed winding power group 1 is installed on the motorcycle, and a fixed winding power group 1 is arranged opposite to each other on both sides of the motorcycle. The number of fixed winding power groups 1 on one side of the car is odd or even, and the fixed winding power group 1 is in the fixed winding power group 1 . The fixed winding power group 1 can be arranged in a star shape. The fixed winding 5 is installed on the motorcycle through the cylinder body, and the motion conversion mechanism converts the movement of the moving core 8 into rotation output.

The above description is a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (9)

1. The transverse opposite motor driving device for the electric motorcycle is characterized by comprising a fixed winding power set and a movable core which are oppositely arranged, wherein the fixed winding power set comprises a fixed winding, a solenoid-shaped wire winding arranged on the inner side of the fixed winding and a bushing arranged on the inner side of the solenoid-shaped wire winding, the movable core is arranged in the bushing and generates reciprocating movement under the action of a magnetic field formed by the fixed winding and the solenoid-shaped wire winding, the movable core is connected with a movement conversion mechanism, and the movement conversion mechanism converts the reciprocating movement of the movable core into rotary movement and outputs the rotary movement.

2. The transversely opposed motor drive apparatus for an electric motorcycle according to claim 1, wherein the motion converting mechanism includes a link, one end of which is rotatably connected to the moving core, and the other end of which is connected to an eccentric position of a weight through a connecting shaft, and a rotary motion shaft is connected to the center position of the weight.

3. The transversely opposed motor drive apparatus for an electric motorcycle according to claim 1, wherein the exciting structure of the apparatus is a solenoid-shaped wire winding, and is started by electric power by virtue of the exciting action of the motor itself; or, the device is started by an external starter.

4. The transversely opposed motor drive for an electric motorcycle of claim 1, wherein the stationary winding is a ferromagnetic material and the stationary winding is in the shape of a circular cylinder.

5. The transversely opposed motor drive device for an electric motorcycle according to claim 1, wherein the moving core is a permanent magnet.

6. The transversely opposed motor drive for an electric motorcycle of claim 1, further comprising a distribution box that converts an on-board power supply into a voltage and current having a specific curve characteristic, which is delivered to the solenoid-shaped wire winding.

7. The transversely opposed motor drive for an electric motorcycle of claim 1, further comprising a cylinder within which the stationary winding power pack is mounted.

8. An electric motor comprising a transversely opposed motor drive as claimed in any one of claims 1 to 7, wherein a stationary winding power pack is mounted on a motorcycle, the stationary winding being mounted on the motorcycle by a cylinder, and a motion conversion mechanism converts movement of the moving core into rotational motion output.

9. The motor of claim 8, wherein the stationary winding power sets are provided opposite to each other on both sides of the motorcycle, and the number of the stationary winding power sets on a single side of the motorcycle is an odd or even number.

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