SU1495667A1 - Device for monitoring brake drive - Google Patents

Abstract

This invention relates to vehicle diagnostics. The purpose of the invention is to enhance the functionality by providing control based on the state of the suspension. The device makes it possible to determine the location of a possible malfunction either in the elastic elements of the suspension or in the brake force regulator. This is achieved by comparing the deformations of the suspension by comparing the signals from the sensor 3 to the loading force and from the suspension deformation sensor 5 on the comparator 4, as well as signals from the sensor 5 and from the pressure sensor 8 in the brake actuator on the comparator 7. 1 Il.

Description

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The invention relates to the field of technical operation of vehicles, mainly to the testing and control of brake systems and vehicle suspensions.

The aim of the invention is to enhance the functionality by providing control based on the state of the suspension.

The drawing shows b (LOK-circuit device for monitoring elements of the brake actuator.

The device contains a power loader 1, the hydraulic inlet of which is in communication with the source 2 of the working fluid under pressure. A load force sensor 3 is built into the output line of the source 2 of the working fluid, which is a pressure sensor, the 20 output of which is connected to one input of the first comparator 4 The vehicle suspension strain sensor 5 is connected to one input of the first multiplication unit 6 and one input 5 of the second comparator 7.-The pressure sensor 8 in the vehicle's brake drive is connected to one second input The second multiplication unit 9, the output of which is connected with another input of the second comparator 7. The other inputs of the first 6 and second 9 multiplication units are connected, respectively, with the first and second outputs of the unit 10 of setting devices i formed by potentiometric. 35 setting devices And and 12 voltage, corresponding to the coefficient of elasticity of the suspension, the voltage corresponding to the characteristic of the brake force regulator of the checked axis. The outputs of the first 4 and second 7 Comparators are connected, respectively, to the inputs of the first 13 and second 14 indicators.

The device works as follows.

With the help of the power loader 1, the suspension of the controlled bridge of the vehicle is deformed. At the same time, the signal of the load force sensor 3 when the suspension is deformed enters the first comparator 4. With the help of the setting device P, the first multiplication unit 6 applies a voltage, corresponding to

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suspension. The resulting signal value jOT of block 6 is fed to the second input; the first comparator 4, which compares it with the signal of the magnitude of the deformation force of the suspension from the sensor 3. Depending on the results of the comparison, the first comparator 4 turns on the first indicator 13 on the signals Fit or Not Fit. At the same time, information about the amount of suspension deformation from the sensor 5 is supplied to the second comparator 7. A voltage is applied to the second multiplication unit 9 using the setting device 12, the value of which corresponds to the characteristic of the brake force regulator installed on the checked axis. This voltage is multiplied by unit 9 with the voltage coming from pressure sensor 8 in the brake circuit of the axle to be tested. The obtained value from the output of block 9 goes to the second input of the second compiler 7, which compares it with the signal from the suspension deformation sensor 5. Depending on the results compared to the second comparator 7, on the second indicator 14 turns on the signals

or not fit.

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The device allows localization of malfunctions of elastic suspension elements and brake force regulator.

Claims (1)

Invention Formula A device for controlling brake actuator components, comprising a power loader connected to a source of working fluid under pressure, a set of reference voltage adjusters, multipliers, indicators, characterized in that, with the aim of expanding functionality by providing suspension control It is equipped with a loading force sensor, a suspension deformation sensor, a brake pressure sensor, comparators, and the output of the loading force sensor is connected to the first comparator, One suspension strain sensor is connected to the inputs of the first multiplier and the second the elasticity of the suspension of the bridge of the comparator under test, the code of the sensor of the press of the vehicle. By block 6, this signal is multiplied with a voltage corresponding to the suspension deformation coming from the strain sensor 5 neither the brake actuator is connected to the input of the second multiplication unit, the output of the first setpoint device is connected to the second input of the first multiplication unit in the brake drive is connected to the input of the second multiplication unit, the output of the first setpoint device is connected to the second input of the first block multiply514956676 neither, but the output of the second sensor is to the comparator; and the output of the second unit, the second input of the second multiplication unit, to the second input of the second unit, the output of the first multiplier unit, the outputs of both comparators, is connected to the second input of the first ditch connected to the indicators.