CN219668185U - Electronic parking system for vehicle - Google Patents

Abstract

The utility model discloses a vehicle electronic parking system which comprises a controller and a base fixed on a motor shell and positioned at the tail end of a motor main shaft, wherein the motor main shaft stretches into the base, a friction plate is arranged on the motor main shaft, a braking cavity is arranged in the base, a yoke iron corresponding to the friction plate is connected in a sliding manner in the braking cavity, a braking driving mechanism is arranged between the yoke iron and the base, and the controller is electrically connected with the braking driving mechanism, so that driving experience and driving safety are improved.

Description

Electronic parking system for vehicle

Technical Field

The utility model belongs to the technical field of vehicle parking, and particularly relates to an automatic electronic parking system of a golf cart.

Background

At present, the parking system of the golf cart mainly comprises a brake caliper of a pull wire linkage rear wheel, and a brake pad is pressed by the caliper after a hand brake is pulled up or a parking pedal is stepped on, so that the parking function is realized.

The above parking system has the disadvantages that: 1) After each time of parking, a user needs to manually pull a brake or step on a parking pedal to prevent the vehicle from accidentally sliding, is relatively complicated, and can slip if the user forgets to operate the vehicle; 2) When the parking is released manually, the driver needs to step on the accelerator pedal to be matched with the vehicle to accelerate to advance, so that certain requirements are met for the operation of the driver on the ramp, and the driver can slip the vehicle; 3) The automatic parking function cannot be realized in cooperation with the automatic driving system.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the automatic electronic parking of the golf cart, and the driving experience and the driving safety are improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vehicle electron parking system, includes the controller and is fixed in the motor housing and is located the terminal base of motor spindle, the motor spindle stretches into in the base, be provided with the friction disc on the motor spindle, be provided with the braking chamber in the base, sliding connection has the yoke that corresponds the friction disc in the braking chamber, be provided with braking actuating mechanism between yoke and the base, controller electric connection braking actuating mechanism.

Further, the braking driving mechanism comprises a braking coil which is arranged on one side, close to the yoke, far away from the friction plate in the base, of the braking driving mechanism, the braking coil can be electrified to generate magnetic attraction, a plurality of springs are arranged on the base, and one end of each spring is connected with the yoke.

Further, a gear is arranged on the motor spindle, a rotating speed sensor is arranged in the braking cavity, the rotating speed sensor faces the gear, and the rotating speed sensor is electrically connected with the controller.

Further, the friction plate is connected with the gear through bolts and nuts.

Further, a bearing is arranged between the tail end of the motor main shaft and the base.

Further, a torque sensor is arranged at the driving end of the motor spindle.

Compared with the prior art, the utility model has the beneficial effects that: through being electrified to the brake coil, the yoke is attracted to overcome the elastic force of the spring in the brake cavity to move, separation from the friction plate is realized, the motor main shaft can normally run, after the vehicle is stopped gradually, the brake coil is powered off, the yoke moves towards the friction plate under the elastic force of the spring until the yoke contacts with the friction plate, so that the motor is stopped rapidly after renting through friction between the friction plate and the yoke, the yoke and the friction plate are continued to contact continuously after stopping, and braking on the motor main shaft under the condition of no power is realized, thereby realizing automatic parking of the vehicle, and improving driving experience and driving safety.

Drawings

Fig. 1 is a schematic structural diagram of an electronic parking system for a vehicle according to the present utility model.

Reference numerals: 1. a base; 2. a motor spindle; 3. a brake chamber; 4. a friction plate; 5. a yoke; 6. a brake coil; 7. a spring; 8. a gear; 9. a rotation speed sensor.

Detailed Description

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The utility model is further described with reference to fig. 1.

The utility model provides a vehicle electron parking system, includes the controller and is fixed in motor housing and is located the terminal base 1 of motor spindle 2, motor spindle 2 stretches into in the base 1, be provided with friction disc 4 on the motor spindle 2, be provided with braking chamber 3 in the base 1, sliding connection has yoke 5 that corresponds friction disc 4 in braking chamber 3, be provided with braking actuating mechanism between yoke 5 and the base 1, controller electric connection braking actuating mechanism.

As shown in fig. 1, in this embodiment, preferably, the brake driving mechanism includes a brake coil 6 in the base 1 near a side of the yoke 5 away from the friction plate 4, the brake coil 6 may be energized to generate a magnetic attraction force, and a plurality of springs 7 are disposed on the base 1, and one end of each spring 7 is connected to the yoke 5.

As shown in fig. 1, in this embodiment, preferably, the motor spindle 2 is provided with a gear 8, a rotation speed sensor 9 is disposed in the braking chamber 3, the rotation speed sensor 9 faces the gear 8, and the rotation speed sensor 9 is electrically connected to the controller.

In this embodiment, preferably, the friction plate 4 is connected with the gear 8 through a bolt and a nut, so as to realize detachable connection of the friction plate 4, and the friction plate is convenient to replace.

As shown in fig. 1, in this embodiment, preferably, a bearing is disposed between the end of the motor spindle 2 and the base 1.

In this embodiment, preferably, a torque sensor is disposed on the driving end of the motor spindle 2.

As shown in fig. 1, the controller controls the on-off of the brake coil 6, when the vehicle is running normally, the brake coil 6 is electrified, the generated magnetic attraction attracts the yoke 5 to make it slide in the brake cavity 3 against the elastic force of the spring 7 until contacting the inner wall of the brake cavity 3, and meanwhile, the yoke 5 is prevented from contacting the friction plate 4, and at this time, the motor runs normally;

when the driver releases the accelerator pedal, the vehicle starts to decelerate, the motor loses power and the rotation speed of the motor main shaft 2 starts to decrease, when the rotation speed sensor 9 detects that the rotation speed of the gear 8 is lower than a set value, the controller controls the brake coil 6 to be powered off, so that the magnetic attraction force is lost, the yoke 5 moves towards the friction plate 4 under the elasticity of the spring 7 until the yoke 5 contacts with the friction plate 4, the reduction of the rotation speed of the motor main shaft 2 is accelerated through the friction force between the friction plate 4 and the yoke 5 until the motor stops to stop the vehicle, and the continuous contact between the yoke 5 and the friction plate 4 can prevent the motor main shaft 2 from rotating under the unpowered condition, so that the parking effect of the vehicle is realized;

when the driver presses the accelerator pedal again, the motor is electrified, the motor main shaft 2 starts to rotate, and when the torque on the driving end of the motor main shaft 2 reaches a set value, the controller controls the brake coil 6 to be electrified again, so that the yoke 5 is separated from the friction plate 4, and the motor main shaft 2 rapidly rotates, thereby realizing the starting of the vehicle.

The electronic parking system realizes the automatic parking function of the vehicle, does not need to carry out additional parking operation, achieves the automatic release of the rear shell under the forward condition of the vehicle when the vehicle is parked on a slope, avoids sliding the vehicle, improves the driving safety, and can be matched with an unmanned driving system to realize automatic driving.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (6)

1. An electronic parking system for a vehicle, characterized in that: the motor comprises a controller and a base fixed on a motor shell and positioned at the tail end of a motor main shaft, wherein the motor main shaft stretches into the base, a friction plate is arranged on the motor main shaft, a braking cavity is arranged in the base, a yoke corresponding to the friction plate is connected in a sliding manner in the braking cavity, a braking driving mechanism is arranged between the yoke and the base, and the controller is electrically connected with the braking driving mechanism.

2. The vehicle electronic parking system according to claim 1, wherein: the braking driving mechanism comprises a braking coil which is arranged on one side, close to the yoke, of the base and far away from the friction plate, the braking coil can be electrified to generate magnetic attraction, a plurality of springs are arranged on the base, and one end of each spring is connected with the yoke.

3. The vehicle electronic parking system according to claim 2, wherein: the motor spindle is provided with a gear, a rotating speed sensor is arranged in the braking cavity, the rotating speed sensor faces the gear, and the rotating speed sensor is electrically connected with the controller.

4. A vehicle electronic parking system as set forth in claim 3, wherein: the friction plate is connected with the gear through bolts and nuts.

5. The vehicle electronic parking system of claim 4, wherein: and a bearing is arranged between the tail end of the motor spindle and the base.

6. The vehicle electronic parking system of claim 5, wherein: and a torque sensor is arranged at the driving end of the motor spindle.