CN206412004U - Experimental device for simulating automobile air braking system - Google Patents

Abstract

The utility model discloses an experimental device simulating an automobile air pressure brake system, comprising an electric air pump, an output end of which is connected to an air storage cylinder, and an output end of the air storage cylinder is connected to a brake control valve; a first output end of the brake control valve is respectively connected to a left front brake air chamber and a right front brake air chamber through a front pipeline, an output end of the left front brake air chamber is connected to a left front wheel through a left front brake push rod, and an output end of the right front brake air chamber is connected to a right front wheel through a right front brake push rod; a second output end of the brake control valve is respectively connected to a left rear brake air chamber and a right rear brake air chamber through a rear pipeline, an output end of the left rear brake air chamber is connected to a left rear wheel through a left rear brake push rod, and an output end of the right rear brake air chamber is connected to a right rear wheel through a right rear brake push rod. The device can intuitively display the structure and working principle of the automobile air pressure brake system, and has the characteristics of simple structure, safe use, convenient operation and detection, and low cost.

Description

An experimental device for simulating automobile air pressure braking system

technical field

The utility model relates to an experimental device for simulating an automobile air pressure braking system.

Background technique

The car braking system can slow down or stop the car when needed, so as to improve the safety of the car. The car braking system can be divided into hydraulic braking system and pneumatic braking system according to the braking energy. At present, in the teaching process, students can only explain relevant knowledge to students in the form of books, pictures or videos. There is a lack of intuitive examples for operation and explanation, which reduces the quality of teaching, and students cannot understand its principles in depth. Deep understanding.

Utility model content

The purpose of the utility model is to provide an experimental device for simulating an automobile air pressure braking system aiming at the defects in the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: an experimental device for simulating an automobile air pressure braking system, comprising an electric air pump, the output end of which is connected to an air storage tank, and the output end of the air storage tank is connected to a brake control valve ; The first output end of the brake control valve is respectively connected to the left front brake air chamber and the right front brake air chamber through the front pipeline, and the output end of the left front brake air chamber is connected to the left front brake air chamber through the left front brake push rod. The output end of the right front brake air chamber is connected with the right front wheel through the right front brake push rod; the second output end of the brake control valve is respectively connected with the left rear brake air chamber and the right brake air chamber through the rear pipeline. The rear brake air chamber is connected, the output end of the left rear brake air chamber is connected with the left rear wheel through the left rear brake push rod, and the output end of the right rear brake air chamber is connected with the right rear brake push rod Right rear wheel connection.

Preferably, an air pressure alarm device is also included, the air pressure alarm device includes a low air pressure alarm switch arranged at one end of the air reservoir, the positive end of the low air pressure alarm switch is connected to the battery through a handbrake switch and an ignition switch in sequence, and The negative end is connected with the alarm horn; the control end of the brake control valve is connected with the brake pedal through the brake push rod.

Preferably, the output end of the air storage tank is provided with an air storage tank pressure gauge.

Preferably, the front pipeline is provided with a front pipeline air gauge, and the rear pipeline is provided with a rear pipeline air pressure gauge.

Beneficial effects of the utility model: the device can intuitively display the structure and working principle of the automobile air pressure braking system, has the characteristics of simple structure, safe use, convenient operation and detection, and low cost, which is convenient for teaching and application, and can greatly improve students' learning ability. Hands-on ability.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

As shown in Fig. 1, it relates to a kind of experimental device for simulating the air pressure braking system of an automobile, comprising an electric air pump 4, whose output end is connected with an air storage tank 5, and the output end of the air storage tank 5 is connected with a brake control valve 7; The first output end of the brake control valve 7 is respectively connected with the left front brake air chamber 9 and the right front brake air chamber 14 through the front pipeline, and the output end of the left front brake air chamber 9 is connected with the left front brake push rod 10 through the front pipeline. The left front wheel 11 is connected, and the output end of the right front brake air chamber 14 is connected with the right front wheel 12 through the right front brake push rod 13; the second output end of the brake control valve 7 is respectively connected with the left The rear brake air chamber 18 is connected with the right rear brake air chamber 15, the output end of the left rear brake air chamber 18 is connected with the left rear wheel 20 through the left rear brake push rod 19, and the right rear brake air chamber The output end of the chamber 15 is connected with the right rear wheel 17 through the right rear brake push rod 16 . Wherein, also comprise air pressure warning device, this air pressure warning device comprises the too low air pressure warning switch 3 that is arranged on described air reservoir 5 one ends, and the positive end of described air pressure too low warning switch 3 passes through handbrake switch 24, ignition switch 23 and The storage battery 22 is connected, and its negative end is connected with the alarm horn 25; the control end of the brake control valve 7 is connected with the brake pedal 1 through the brake push rod 2 .

Wherein, the output end of the air storage tank 5 is provided with an air storage tank pressure gauge 6 .

Wherein, the front pipeline 71 is provided with a front pipeline air pressure gauge 8 , and the rear pipeline 72 is provided with a rear pipeline air pressure gauge 21 .

When in use, the components of the air pressure brake system and the low air pressure alarm device are integrated on one platform, the electric air pump is powered by AC and controlled independently, and the four wheels are driven by AC motors, which are also controlled independently, and are set on each pipeline A barometer is installed to display the change of the corresponding pipeline air pressure; the low air pressure alarm switch is installed on the air storage tank, and the switch is closed when the air pressure in the air storage tank is lower than the normal value; the handbrake switch is installed under the handbrake, and the switch is closed when the handbrake is released .

First turn on the electric air pump to make the air pressure of the air storage tank reach the normal working air pressure; turn on the wheel drive motor to rotate the wheel. Without stepping on the brake pedal, the air pressure gauge of the air storage tank will display the air pressure of the air storage tank, and the air pressure of the pipeline air pressure gauge will display 0. Step on the brake pedal, and you can observe that the wheel speed slows down until it stops. The faster you step on the brake pedal, the faster the wheel speed changes; Dynamic pressure, its pressure increases with the stroke of the brake pedal, and its value also increases synchronously.

When the electric air pump is not turned on or the air pressure of the air storage tank has not reached the normal value, close the ignition switch and release the handbrake to close the handbrake switch, and the alarm horn will sound an alarm to remind the driver that the air pressure of the air storage tank has not reached the normal value at this time, and the car cannot Hit the road.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (4)

1. a kind of experimental provision of simulated automotive Pneumatic braking system, it is characterised in that including electric air pump, its output end and storage Inflator is connected, and the output end of the air tank is connected with brake control valve；First output end of the brake control valve passes through preceding Pipeline is connected with left front brake chamber and right preceding brake chamber respectively, and the output end of the left front brake chamber passes through left front braking Push rod is connected with the near front wheel, and the output end of the right preceding brake chamber is connected by brake pushrod before the right side with off-front wheel；The system Second output end of dynamic control valve is connected with brake chamber after left back brake chamber and the right side respectively by rear pipeline, the left back system The output end of room of taking offence is connected by left back brake pushrod with left rear wheel, it is described it is right after the output end of brake chamber pass through and made behind the right side Dynamic push rod is connected with off hind wheel.

2. a kind of experimental provision of simulated automotive Pneumatic braking system as claimed in claim 1, it is characterised in that also including gas Warning device is pressed, the pressure warner includes the too low alarm switch of air pressure for being arranged at described air tank one end, the air pressure The positive terminal of too low alarm switch passes sequentially through parking brake switch, ignition switch and battery and connected, its negative pole end and alarming horn Connection；The control end of the brake control valve is connected by brake pushrod with brake pedal.

3. a kind of experimental provision of simulated automotive Pneumatic braking system as claimed in claim 1, it is characterised in that the air storage The output end of cylinder is provided with air tank air gauge.

4. a kind of experimental provision of simulated automotive Pneumatic braking system as claimed in claim 1, it is characterised in that the front tube Before being provided with road rear pipeline air gauge is provided with pipeline air gauge, the rear pipeline.