CN210322271U

CN210322271U - Disk type air braking 6-channel ABS system simulation platform

Info

Publication number: CN210322271U
Application number: CN201921379468.0U
Authority: CN
Inventors: 石天明
Original assignee: Lianyungang Changming Electronic Technology Co ltd
Current assignee: Lianyungang Changming Electronic Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-04-14
Anticipated expiration: 2029-08-23

Abstract

A disk type air brake 6-channel ABS system simulation platform comprises a frame, wherein an ECU (electronic control Unit), a wheel mechanism and a brake mechanism are installed on the frame, the wheel mechanism comprises 6 wheels, and each wheel is installed on the frame through a hub motor; the brake mechanism comprises a brake disc fixedly mounted with an output shaft of the hub motor and a brake shoe matched with the brake disc, the brake shoe is fixedly mounted on the frame through a driving cylinder, the frame is also fixedly provided with an air bin, the air bin is externally connected with a high-pressure air source, the driving cylinder is communicated with the air bin through an air supply pipe, and the air supply pipe is provided with an ABS (anti-lock brake system) electromagnetic valve and a pressure sensor; the frame is also fixedly provided with a speed sensor, the pressure sensor and the speed sensor are connected with the input end of the ECU control unit, and the hub motor and the ABS electromagnetic valve are connected with the output end of the ECU control unit. The simulation platform is used for simulating the ABS system of a vehicle, is convenient for debugging ABS system software in a workshop, and is safe, reliable and low in cost.

Description

Disk type air braking 6-channel ABS system simulation platform

Technical Field

The utility model relates to an automobile inspection technical field, especially a 6 passageway ABS system simulation platforms of disk air braking.

Background

An Antilock Brake System (ABS) is used to automatically control the braking force of the brake when the vehicle brakes, so that the wheels are not locked and are in a state of rolling and slipping (the slip rate is about 20%), thereby ensuring the maximum adhesion between the wheels and the ground. In the ABS, a brake line capable of independently adjusting brake pressure is referred to as a control channel, and generally, control channels of an ABS device are classified into a four-channel type, a three-channel type, a two-channel type, and a one-channel type.

At present, the most common is four-channel type, be applied to the sedan-chair car promptly, four wheels, and more big car is also realizing gradually the application of ABS system, but at present no matter be applicable to the ABS system of dolly or be applicable to the ABS system of big car when putting into use, or at the research and development in-process, all need continuous experiment, detection, then can not all carry out actual operation at every turn experimental, so not only safety can't guarantee, and the cost is difficult to control, consequently, it is the problem that needs to solve urgently to design a quick, effective, intelligence, reliable test device.

Disclosure of Invention

The utility model aims to solve the technical problem that to prior art not enough, provide a quick, effective, intelligent, reliable to be convenient for carry out ABS system's performance test's 6 passageway ABS system simulation platforms of disk air brake.

The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a 6 passageway ABS system simulation platforms of disc air brake, this simulation platform includes the frame, installs ECU the control unit, the wheel mechanism and the brake mechanism on the frame, the wheel mechanism includes 6 wheels, installs 3 wheels respectively on the both sides of frame, each wheel all installs on the frame through the in-wheel motor; the brake mechanism comprises a brake disc fixedly mounted with an output shaft of the hub motor and a brake shoe matched with the brake disc, the brake shoe is fixedly mounted on the frame through a driving cylinder, an air bin used for providing an air source for the driving cylinder is also fixedly mounted on the frame, the air bin is externally connected with a high-pressure air source, the driving cylinder is communicated with the air bin through an air supply pipe, and an ABS (anti-lock braking system) electromagnetic valve and a pressure sensor are mounted on the air supply pipe; the frame is also fixedly provided with a speed sensor for monitoring the rotating speed of the wheel, the pressure sensor and the speed sensor are connected with the input end of the ECU control unit, and the hub motor and the ABS electromagnetic valve are connected with the output end of the ECU control unit.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above 6 passageway ABS system simulation platforms of disk air brake, this simulation platform still includes the brake switch of fixed mounting in the frame lower part, and brake switch is connected with ECU the input of control unit, and brake switch is foot-operated switch.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above 6 passageway ABS system simulation platforms of disk air brake, the top of frame is fixed mounting still has the motor speed governing switch with in-wheel motor one-to-one.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above 6 passageway ABS system simulation platforms of disk air brake, be connected through the quick-operation joint of the plug of being convenient for between tachometer sensor and the ECU the quick-operation joint of quick-operation joint including mutually supporting male joint and female joint, female joint is connected with tachometer sensor, and male joint is connected with ECU the control unit.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above 6 passageway ABS system simulation platforms of disk air brake, still fixed mounting has starting switch, scram switch, power indicator and trouble lamp at the top of frame one side.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above 6 passageway ABS system simulation platforms of disk air braking, the bottom of frame is fixed mounting still has the truckle of being convenient for to remove.

Compared with the prior art, the utility model discloses a wheel of 6 wheel simulation actual vehicles drives the wheel through in-wheel motor and rotates, utilizes tacho sensor to detect the rotational speed of wheel to give ECU the signal feedback, thereby can test when the brake, how ECU the control unit control brake mechanism carries out pneumatic braking, thereby examines the procedure of burning in the EUC the control unit, conveniently modifies and improve the procedure. The simulation platform is used for simulating the ABS system of a vehicle, is convenient for debugging ABS system software in a workshop, and is safe, reliable and low in cost.

Drawings

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

fig. 2 is a top view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a disk type air brake 6 channel ABS system simulation platform comprises a frame 1, an ECU control unit 2, a wheel 3 mechanism and a brake mechanism are mounted on the frame 1, the wheel 3 mechanism comprises 6

wheels

3, 3 wheels 3 are respectively mounted on two sides of the frame 1, each wheel 3 is mounted on the frame 1 through a hub motor; the brake mechanism comprises a brake disc 16 fixedly mounted with an output shaft of the hub motor and a brake shoe 17 matched with the brake disc 16, the brake shoe 17 is fixedly mounted on the frame 1 through a driving cylinder 5, an air bin 4 used for providing an air source for the driving cylinder 5 is also fixedly mounted on the frame 1, the air bin 4 is externally connected with a high-pressure air source, the driving cylinder 5 is communicated with the air bin 4 through an air supply pipe, and an ABS (anti-lock brake system) electromagnetic valve 6 and a pressure sensor 7 are mounted on the air supply pipe; still fixed mounting has the tacho sensor 8 that is used for monitoring the rotational speed of wheel 3 on the frame 1, and pressure sensor 7, tacho sensor 8 are connected with ECU the input of control unit 2, and in-wheel motor, ABS solenoid valve 6 are connected with ECU the output of control unit 2. During testing, a program to be tested is firstly written into the ECU (electronic control unit) 2, then the wheel 3 is driven to rotate through the hub motor, the wheel table of the wheel 3 is suspended, the rotating speed of the wheel 3 is detected by the speed measuring sensor 8 and fed back to the ECU 2, during braking, how the ECU 2 controls the ABS electromagnetic valve 6 to act can be easily observed, the brake shoe 17 is driven by the driving cylinder 5 to perform disc braking, so that the actual running condition of the ABS system is simulated, and whether the tested program can play an expected role is detected; meanwhile, the pressure of the air source output by the air bin 4 is detected through the pressure sensor 7, so that the influence of too small pressure on the test effect is avoided.

The application aims at providing an ABS system test simulation platform, which is used for simulating the connection relation and structural improvement of each component, does not relate to a software part, and adopts components which are conventional components in the prior art; the tester can burn the software designed by the tester into the ECU control unit 2 according to the test requirement, and simulate how the designed software controls the brake mechanism to brake when the wheel 3 is in a brake state, so as to test whether the software is proper or not and whether the software needs to be improved or not; secondly, the simulation of different conditions can be carried out in the application, for example, the rotating speeds of a plurality of wheels 3 are inconsistent, and speed signals of one or a plurality of wheels 3 are lacked, so that different requirements of testers are met.

The simulation platform further comprises a brake switch fixedly installed on the lower portion of the frame 1, the brake switch is connected with the input end of the ECU control unit 2, and the brake switch is a foot switch 11. The foot switch 11 is used for simulating the foot brake of the automobile and is convenient for the operation of a tester, and after the brake switch is stepped on, the ECU control unit 2 can start to control the brake mechanism to brake.

The simulation platform further comprises a power line for providing power, and the end of the power line is connected with a power plug, so that power can be conveniently supplied to each mechanism of the simulation platform.

And motor speed regulating switches 9 which correspond to the hub motors one by one are fixedly arranged at the top of the frame 1. The motor speed regulation switch 9 is a motor speed regulation switch 9 in the prior art, and each hub motor is provided with one motor speed regulation switch 9 for respectively regulating the speed of each hub motor, so that the brake control is conveniently performed by the control program of the ABS system when the rotating speeds of different vehicles are different.

The speed sensor 8 is connected with the ECU control unit 2 through a quick connector convenient to plug and pull out, the quick connector comprises a male connector and a female connector which are matched with each other, the female connector is connected with the speed sensor 8, and the male connector is connected with the ECU control unit 2. The quick coupling adopts the quick coupling among the prior art, and every tachometer sensor 8 all is connected with ECU the control unit 2 through quick coupling, is convenient for cut off one or several tachometer sensors 8 alone to the simulation is when the speed signal of a wheel 3 or several wheels 3 is lacked, how ECU the control unit 2 controls the brake mechanism and brakes.

The top of one side of the frame 1 is also fixedly provided with a starting switch 15, an emergency stop switch 14, a power indicator lamp 13 and a fault indicator lamp 12. The starting switch 15 and the emergency stop switch 14 are connected with the input end of the ECU control unit 2, so that pneumatic and emergency stop instructions can be conveniently input; the power indicator lamp 13 and the fault indicator lamp 12 are connected with the output end of the ECU control unit 2, so that power-on and fault indication are facilitated.

The bottom of the frame 1 is also fixedly provided with a caster 10 convenient to move. The truckles 10 are arranged to facilitate the movement of the simulation platform, and the position of the test platform can be adjusted conveniently according to actual test requirements.

Claims

1. The utility model provides a 6 passageway ABS system simulation platforms of disk air brake which characterized in that: the simulation platform comprises a frame, wherein an ECU (electronic control Unit), a wheel mechanism and a brake mechanism are arranged on the frame, the wheel mechanism comprises 6 wheels, 3 wheels are respectively arranged on two sides of the frame, and each wheel is arranged on the frame through a hub motor; the brake mechanism comprises a brake disc fixedly mounted with an output shaft of the hub motor and a brake shoe matched with the brake disc, the brake shoe is fixedly mounted on the frame through a driving cylinder, an air bin used for providing an air source for the driving cylinder is also fixedly mounted on the frame, the air bin is externally connected with a high-pressure air source, the driving cylinder is communicated with the air bin through an air supply pipe, and an ABS (anti-lock braking system) electromagnetic valve and a pressure sensor are mounted on the air supply pipe; the frame is also fixedly provided with a speed sensor for monitoring the rotating speed of the wheel, the pressure sensor and the speed sensor are connected with the input end of the ECU control unit, and the hub motor and the ABS electromagnetic valve are connected with the output end of the ECU control unit.

2. The disc air brake 6 channel ABS system simulation bench of claim 1, wherein: the simulation platform further comprises a brake switch fixedly installed on the lower portion of the frame, the brake switch is connected with the input end of the ECU control unit, and the brake switch is a pedal switch.

3. The disc air brake 6 channel ABS system simulation bench of claim 1, wherein: and motor speed regulating switches which correspond to the hub motors one to one are fixedly arranged at the top of the frame.

4. The disc air brake 6 channel ABS system simulation bench of claim 1, wherein: the speed sensor is connected with the ECU control unit through a quick connector convenient to plug and pull, the quick connector of the power line for providing power supply comprises a male connector and a female connector which are matched with each other, the female connector is connected with the speed sensor, and the male connector is connected with the ECU control unit.

5. The disc air brake 6 channel ABS system simulation bench of claim 1, wherein: and the top of one side of the frame is also fixedly provided with a starting switch, an emergency stop switch, a power indicator and a fault indicator.

6. The disc air brake 6 channel ABS system simulation bench of claim 1, wherein: the bottom of the frame is also fixedly provided with a caster which is convenient to move.