CN214728746U

CN214728746U - Electronic power-assisted brake with ABS function

Info

Publication number: CN214728746U
Application number: CN202121052625.4U
Authority: CN
Inventors: 徐侨荣
Original assignee: Suzhou Haizhibo Electronic Technology Co ltd
Current assignee: Suzhou Haizhibo Electronic Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-16
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to an electron booster brake ware technical field especially relates to a take electron booster brake ware of ABS function, it includes first hydro-cylinder, the second hydro-cylinder, the pendulum rod, the ABS motor, the assist motor, main push rod and vice push rod, the horizontal reciprocating motion of assist motor drive main push rod, the main push rod rear end is articulated with the footboard, the front end is connected with the pendulum rod, the ABS motor promotes the end connection of the front end of vice push rod horizontal reciprocating motion and vice push rod and pendulum rod, first hydro-cylinder and second hydro-cylinder parallel connection, and the piston rod tip of first hydro-cylinder and second hydro-cylinder is connected with the pendulum rod respectively, first hydro-cylinder is located the both sides of main push rod and pendulum rod tie point respectively with the tie point of second hydro-cylinder piston rod and pendulum rod. The device provided by the utility model simple structure possesses the ABS function, and has reduced braking system's cost and has compromise braking system's security performance.

Description

Electronic power-assisted brake with ABS function

Technical Field

The utility model relates to an electron helping hand brake technical field especially relates to a take electron helping hand brake of ABS function.

Background

The power-assisted brake is a key safety part in the automobile chassis field. How to enhance the brake safety is always the key point of automobile parts, and schemes such as a vacuum booster + ABS, a vacuum booster + ESP, an electronic booster brake + ABS/ESP and the like appear in sequence. How to balance the cost and the safety is the research and development difficulty of the electronic power-assisted brake.

In the prior art, an ABS (ESP vehicle body stabilization system also has an ABS function) is used to prevent wheels from locking, and when a locking condition occurs in a wheel, the ABS or the ESP independently controls brake pressures of four wheels, thereby realizing anti-lock. However, the ABS needs to control the pressure of four wheels independently, needs to provide two solenoid valves for each wheel, and needs 8 solenoid valves and one pump in total, which greatly increases the cost. No matter vacuum or electronic power-assisted brakes, currently only power-assisted brakes are provided to reduce the foot-stepping force required by braking, and most of the current boosters adopt a two-cylinder-in-series design, as shown in fig. 2, the pressure of the two cylinders in series is the same, the power-assisted brakes can not provide an ABS function only, the power-assisted brakes can only be provided, and anti-lock can be provided only by means of ABS or ESP (combined with the ABS function) and longitudinal stable control can be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure is provided, possess the ABS function, and reduce braking system's cost and compromise the electron helping hand brake of braking system security performance.

The utility model discloses a realize through following technical scheme:

the utility model provides a take electron booster brake ware of ABS function, its includes first hydro-cylinder, second hydro-cylinder, pendulum rod, ABS motor, booster motor, main push rod and vice push rod, the horizontal reciprocating motion of booster motor drive main push rod, the main push rod rear end is articulated with the footboard, and the front end is connected with the pendulum rod, the ABS motor promotes the end connection of the horizontal reciprocating motion of vice push rod and the front end of vice push rod and pendulum rod, first hydro-cylinder and second hydro-cylinder parallel connection, and the piston rod tip of first hydro-cylinder and second hydro-cylinder is connected with the pendulum rod respectively, and the tie point of first hydro-cylinder and second hydro-cylinder piston rod and pendulum rod is located the both sides of main push rod and pendulum rod tie point respectively.

Preferably, the ABS motor and the power assisting motor are servo linear motors.

Further, the distance from the connecting point of the first oil cylinder piston rod and the swing rod to the connecting point of the main push rod and the swing rod is equal to the distance from the connecting point of the second oil cylinder piston rod and the swing rod to the connecting point of the main push rod and the swing rod.

Preferably, the control end of the first oil cylinder is connected with a front wheel braking system on one side of the automobile and a rear wheel braking system on the other side of the automobile, and the control end of the second oil cylinder is connected with a front wheel on the opposite side and a rear wheel braking system on the opposite side.

Beneficial effects of the utility model

The utility model discloses a take electron helping hand brake ware of ABS function of protection has following advantage:

1. the traditional electronic power-assisted brake has the ABS function;

2.ABS and ESP do not need to be additionally arranged, so that the cost is directly reduced;

3. the integration level of the system is improved, and the problems of installation and coordination control are simplified;

4. the ESP is combined conveniently, stable control is achieved, and the safety requirement of intelligent driving is met.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a prior art structure;

FIG. 3 is a control block diagram of the present invention;

in the figure, 1, a pedal, 2, an ABS motor, 3 auxiliary push rods, 4 swing rods, 5, an automobile oil tank, 6, a first oil cylinder, 7, a second oil cylinder, 8, a main push rod, 9, a power-assisted motor, 10, a first thin-wall cylindrical part, 11, a second thin-wall cylindrical part, 12, a clamping jaw, 13, a sliding groove and 14 are slots.

Detailed Description

The utility model provides a take electron booster brake ware of ABS function, its includes first hydro-cylinder 6, second hydro-cylinder 7, pendulum rod 4, ABS motor 2, booster motor 9, main push rod 8 and vice push rod 3, booster motor drive main push rod horizontal reciprocating motion, the main push rod rear end is articulated with footboard 1, and the front end is connected with the pendulum rod, ABS motor promotes vice push rod horizontal reciprocating motion and the end connection of vice push rod and pendulum rod, first hydro-cylinder and second hydro-cylinder parallel connection, and the piston rod tip of first hydro-cylinder and second hydro-cylinder is connected with the pendulum rod respectively, and the tie point of first hydro-cylinder and second hydro-cylinder piston rod and pendulum rod is located the both sides of main push rod and pendulum rod tie point respectively.

Preferably, the ABS motor and the servo motor are both servo linear motors, the servo linear motors are commercially available products, and the servo linear motors may be, but are not limited to, dc brushless permanent magnet motors. The servo linear motor converts the rotary motion of the motor into the linear reciprocating motion of the main push rod and the auxiliary push rod through a mechanical transmission device such as a gear set or a roller screw rod.

Furthermore, the distance from the connecting point of the first oil cylinder piston rod and the swing rod to the connecting point of the main push rod and the swing rod is equal to the distance from the connecting point of the second oil cylinder piston rod and the swing rod to the connecting point of the main push rod and the swing rod, so that the balance of the braking force of all wheels can be kept, and the anti-lock function of each wheel can be well realized.

Preferably, the control end of the first oil cylinder is connected with a front wheel braking system on one side of the automobile and a rear wheel braking system on the other side of the automobile, and the control end of the second oil cylinder is connected with a front wheel on the opposite side and a rear wheel braking system on the opposite side. The brake function is favorably realized, and wheels on the same side or two front wheels or two rear wheels are prevented from being locked simultaneously. The wheel speed sensor is arranged at the brake system, the wheel speed sensor monitors the speed of the corresponding wheel in real time and transmits the information to the controller, the controller receives the information of the wheel speed sensor, when the received speed information of a certain wheel is close to zero, the wheel is locked, the controller can control the ABS motor and the power-assisted motor to act to drive the swing rod to swing, so that the first oil cylinder or the second oil cylinder which controls the wheel is used for unloading oil, the oil pressure of the oil cylinders which controls the other wheels is unchanged, and the anti-lock function of the wheel is realized.

The utility model discloses a take electron helping hand brake ware of ABS function when helping hand brake, promotes two jars through the helping hand motor and realizes helping hand brake that the main push rod promotes, when needs ABS function, realizes the independent pressure regulating of two jars through ABS electric machine control pendulum rod angle.

The specific control mode is as follows:

when the ABS motor is pushed forwards, the pressure of the first oil cylinder can be increased, the pressure of the second oil cylinder can be reduced, the pressure relief of the second oil cylinder can be conveniently realized by combining the forward and backward control of the main push rod, the pressure of the first oil cylinder is kept unchanged, and the anti-lock function of the corresponding wheel is realized.

When the ABS motor moves backwards, the pressure of the first oil cylinder is reduced, the pressure of the second oil cylinder is increased, and the pressure relief of the first oil cylinder can be conveniently realized by combining the forward and backward movement control of the main push rod, so that the pressure of the second oil cylinder is kept unchanged, and the anti-lock function of the corresponding wheel is realized.

The first oil cylinder and the second oil cylinder can supply oil through the automobile oil tank 5, and oil can be arranged for supplying oil.

Because the first oil cylinder and the second oil cylinder respectively control the wheels at different positions in different directions, when a certain wheel is locked, the angle of the swing rod can be controlled through the ABS motor, so that the pressure of the connected main cylinder is adjusted, the swing rod is matched with the advancing and retreating of the main push rod, the braking force of the wheel is controlled, and the anti-lock function of the wheel is easily realized.

When the ABS function is not needed, the swing rod is adjusted to be in a vertical state through the ABS motor, and the brake pressure of the two cylinders can be controlled and kept balanced through the forward and backward control of the main push rod.

Because the utility model discloses a take electron helping hand brake ware of ABS function for traditional electron booster, increased a pendulum rod and an ABS motor in the front of the main push rod, can control the angle of pendulum rod through the ABS motor to combine the advance and retreat control of main push rod, can easily realize the pressure control of two jars, thereby realize the anti-lock braking function of wheel. The anti-lock system is simple in structure, low in cost, high in integration level and stable and reliable in action and control due to the fact that a plurality of electromagnetic valves are not needed, ABS and ESP are not needed, the anti-lock function can be achieved easily, and the hydraulic system is adopted for control. And the device is conveniently combined with the ESP, stable control is realized, and the safety requirement of intelligent driving is met.

In summary, the utility model provides an electronic power-assisted brake with ABS function,

the ABS brake system has the advantages of simple structure, ABS function, reduced cost and safety performance.

Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take electron booster brake ware of ABS function which characterized in that, includes first hydro-cylinder, second hydro-cylinder, pendulum rod, ABS motor, helping hand motor, main push rod and vice push rod, the horizontal reciprocating motion of helping hand motor drive main push rod, the main push rod rear end is articulated with the footboard, and the front end is connected with the pendulum rod, ABS motor promotes vice push rod horizontal reciprocating motion and the front end of vice push rod and the end connection of pendulum rod, first hydro-cylinder and second hydro-cylinder parallel connection, and the piston rod tip of first hydro-cylinder and second hydro-cylinder is connected with the pendulum rod respectively, and the tie point of first hydro-cylinder and second hydro-cylinder piston rod and pendulum rod is located the both sides of main push rod and pendulum rod tie point respectively.

2. The electronic power-assisted brake with the ABS function of claim 1, wherein the ABS motor and the power-assisted motor are both servo linear motors.

3. The electronic power-assisted brake with the ABS function of claim 1, wherein a distance from a connection point of a piston rod of the first oil cylinder and the swing rod to a connection point of the main push rod and the swing rod is equal to a distance from a connection point of a piston rod of the second oil cylinder and the swing rod to a connection point of the main push rod and the swing rod.

4. The electronic power-assisted brake with the ABS function of claim 3, wherein the control end of the first oil cylinder is connected with a front wheel braking system on one side of the automobile and a rear wheel braking system on the other side of the automobile, and the control end of the second oil cylinder is connected with a front wheel on the opposite side and a rear wheel braking system on the opposite side.