RU115534U1 - ON-BOARD INFORMATION-DIAGNOSTIC COMPLEX OF THE ROUTE VEHICLE - Google Patents

Abstract

An on-board information and diagnostic complex of a route vehicle, containing a measuring unit that includes a steering wheel position sensor, an acceleration sensor, an on-board network voltage indicator, an indicator of the gearbox operating mode, a fuel level sensor, two air temperature sensors in the vehicle interior, a propeller shaft position sensor , brake system indicator, coolant level sensor in the cooling system, oil level sensor of the hydraulic motor of the cooling system, temperature sensor of the cooling system of the internal combustion engine, engine speed sensor and door opening indicator in the passenger compartment, each of which is connected through a series-connected controlled switch and an interface unit to the information inputs of the controller, as well as a real-time clock, output connected to another information input of the controller, a removable storage medium connected to the controller output, another output th is connected to the control input of the switch, a block of random access memory, input / output connected to the corresponding output / input of the controller, and a text display installed in the driver's cab of a route vehicle with an input / output data block, inputs / outputs connected to the corresponding outputs / inputs of the controller.

Description

The utility model relates to devices for recording objective information of the operating parameters of a route vehicle, namely, a bus, on a line in real time and transmitting it for further analysis of the vehicle's operation to technical services.

A device is known for recording operating parameters of a vehicle, comprising an information display unit, a manual data input unit, an information transmission unit, a system of sensors including a path traveled sensor, an engine speed sensor, a fuel consumption sensor, interior load sensors, an engine load sensor, a sensor steering wheel position, braking sensor, door open / close sensor, gear shift sensor connected to the corresponding inputs of the measuring unit containing the anal an ogo-digital converter, a register of contact sensors and counters, a processing and information unit including a central processor, read-only memory, random access memory, real-time clock and input / output ports, while the inputs of the analog-to-digital converter, register of contact sensors and the counters are connected to the respective sensors, and the transmission unit is made in the form of a drive on a flexible magnetic disk (RU 5880 U1, G07C 5/00, 01/16/1998)

The known device allows you to solve the problem of registering objective information about the parameters of the vehicle on the line, taking into account the characteristics of passenger passenger transport and transferring accumulated data to various services of the enterprise for monitoring, adjusting and planning the transportation process, maintenance and repair of rolling stock, consumption of spare parts and operational materials , environmental assessment, assessment of the complexity of the bus route.

However, the volume of diagnosed parameters is not sufficient for an objective assessment of the technical condition of the main systems, units and assemblies of the bus, for example, there is no control of logical errors made by the driver, control of the oil level of the hydraulic motor of the cooling system, traffic control with open doors, control of fuel thefts.

In addition, the known device provides automated diagnostics of the bus only in the process of its movement.

The Prolog information-diagnostic system is known, which contains a central computing device with an information display and an integrated information storage device (see the Operation Manual for Prolog IDS, IDS 2.01.0000.0000.0ZE, Molniya-BAS LLC, 2004). Prior to turning on the power unit, the well-known information-diagnostic system carries out automatic diagnostics of power units and bus systems, in particular, the power unit, pneumatic equipment, anti-lock braking system, section junction unit. Data on the results of automatic diagnostics are displayed on the information display and are recorded on the built-in storage device. After a working shift, the driver removes the built-in storage of information and transfers it to the technical service of the operating organization to analyze the technical condition of the bus.

However, the known diagnostic system does not control such parameters as speed, distance traveled, the number of revolutions of the flywheel of the internal combustion engine (ICE), the level of coolant in the expansion tank of the ICE cooling system, the oil level in the tank of the hydraulic motor of the fan drive of the ICE cooling system. In addition, the system does not provide for informing the driver about the possible failure of the ICE turbocharger when idling for more than a specified time interval, about the start of movement with open passenger doors, about the possibility of failure of the automatic transmission (automatic gearbox) when coasting »With the neutral gear engaged, to lower the temperature in the passenger compartment below a predetermined value.

Currently, the passenger bus has the main components and assemblies made by various manufacturers. In this regard, the control systems of operation and serviceability of the main components, systems and assemblies are divided into various control units and programs that are not connected into a single system. During the operation of the new rolling stock, malfunctions and failures of standard equipment arise, which are not possible to determine in time with the help of standard monitoring and diagnostics systems. Some operational problems arise due to the negligence of the bus driver.

Among the most significant problems in the operation of new bus models are the following:

- failure of the hydraulic motor of the fan of the cooling system of the internal combustion engine in the absence of a daily technical inspection of the bus (operation of the internal combustion engine for a long time at an oil level in the expansion tank below the operational level);

- overheating of the internal combustion engine due to the low level of coolant;

- failure of the turbocompressor of the internal combustion engine of the bus due to the engine idling for more than the allowable period of time;

- Failure of the automatic transmission gearbox (automatic transmission) of the bus due to “coasting” with the neutral gear engaged.

During the operation of the bus, it is essential to control the fuel level in the fuel tank in real time, which ensures fuel economy and elimination of its theft, control of the air temperature in the passenger compartment of the bus, necessary to comply with the technical requirements for the microclimate in the passenger compartment of the bus.

In addition, when operating the car, the driving style of the bus is essential. As you know, an overly dynamic style of driving a bus leads to increased wear on brake pads, tires, excessive fuel consumption, and also reduces the comfort of passengers traveling.

The utility model solves the problem of creating an on-board information and diagnostic complex that provides real-time, the possibility of autonomous, operational detection of deviations from the norm in the operation of the main systems, components and assemblies of the bus that are not covered by the diagnostic tools already on the bus, with a notification to the driver of detected deviations and recording information about them on removable media.

The technical result consists in increasing the reliability of diagnosing the main systems, components and assemblies of the bus by expanding the volume of parameters diagnosed in real time, as well as in increasing the life of the vehicle by promptly informing the driver and maintenance services about detected deviations from the norm in the operation of the main systems , nodes and units of the bus.

This is achieved by the fact that the on-board information and diagnostic complex of a fixed-route vehicle, comprising a measuring unit, including a steering wheel position sensor, an acceleration sensor, an on-board network voltage indicator, a gearbox operating mode indicator, a fuel level sensor, two air temperature sensors in the passenger compartment , propeller shaft position sensor, brake system actuation indicator, coolant level sensor in the cooling system, oil level sensor of the hydraulic motor of the ohm system jets, temperature sensor of the cooling system of the internal combustion engine, engine speed sensor and door opening indicator in the passenger compartment, each of which is connected through a series-connected managed switch and interface unit to the controller information inputs, as well as a real-time clock connected to another information input of the controller, a removable storage medium connected to the output of the controller, the other output of which is connected to the control input of the switch , a random access memory block connected to the corresponding output / input of the controller by an input / output, and a text display installed in the driver’s cab of a route vehicle with a data input / output block connected with the inputs / outputs to the corresponding outputs / inputs of the controller.

The drawing shows a structural diagram of an on-board information-diagnostic complex route vehicle.

The on-board information and diagnostic complex includes a measuring unit containing a steering wheel position sensor 1, an acceleration sensor 2, an on-board network voltage indicator 3, a gearbox operating mode indicator 4, a fuel level sensor 5, two air temperature sensors 6 and 7, sensor 8 for the position of the propeller shaft, indicator 9 for activating the brake system, sensor 10 for the coolant level in the cooling system, sensor 11 for the oil level of the hydraulic motor of the cooling system, sensor 12 for the temperature of the cooling system I am an internal combustion engine, a sensor 13 of the engine crankshaft and an indicator 14 for opening doors in the passenger compartment, each of which is connected through a series-connected managed switch 15 and the interface unit 16 to the information inputs of the controller 17.

The complex also includes a real-time clock 18, with an output connected to another information input of the controller 17, a removable storage medium 18 connected to the output of the controller 17, another output connected to the control input of the switch 15, a random access memory unit 20, the input / output of which is connected to the corresponding output / input of the controller 17, and a text display 21 with a manual data input unit, inputs / outputs connected to the corresponding outputs / inputs of the controller 17.

At the same time, a text display 21 with a manual data input unit is installed in the driver’s cabin of the route vehicle, and the software of the controller 17 allows real-time setting to the switch 15 of the polling algorithm for sensors 1, 2, 5, 6, 7, 8, 10-13 and indicators 3,4,9 and 14 of the measuring unit, record the measurement results on a removable storage medium 18 and convert the data of the measurement results to be displayed on the screen of the test display 21.

The on-board information-diagnostic complex works as follows.

When the on-board information-diagnostic complex is turned on, the controller 17 sets the switch 15 to the sensor polling program 1-14. According to the specified algorithm, the switch 15 in real time periodically polls the sensors 1, 2, 5, 6, 7, 8, 10-13 and indicators 3, 4, 9 and 14 of the measuring unit. From the output of the switch 15, the measurement data is supplied to the interface unit 16, which for each measurement cycle generates a data packet for transmission to the controller 17, previously converting the data of the measurement results of analog sensors into digital form.

The controller 17 analyzes the data of the measurement results and, as information is accumulated, writes them to a removable storage medium 19. The controller 17 converts the data of the corresponding measurements to display them on the screen of the test display 21.

In block 20 of RAM memory threshold values of the measured parameters are stored.

When analyzing the measurement results, the controller 17 requests in the block 20 of RAM memory data on the threshold values of the measured parameter and compares it with the data of the measurement result. If the measured parameter thresholds are exceeded, the controller 17 generates a corresponding message and transmits it to the text 21 display.

The text display 21 promptly informs the driver about a traffic error, or about the current malfunction, which allows to increase the life of the vehicle.

In one embodiment, the display 21 may display up to 4 lines of alphanumeric information with 12 characters per line.

When the time of year changes, the threshold values of the measured parameters of the bus using the controls of the text display 21 can change.

The removable storage medium 19 is made in the form of a removable SD card that allows you to store information for a long period of time. For changing the operation of the bus on the line, all measured information is recorded on the carrier 19. At the end of the shift, the removable storage medium 19 is removed and submitted to the enterprise’s computer center for subsequent analysis of the technical condition of the bus and its operation efficiency.

The on-board information and diagnostic complex monitors the oil level of the hydraulic motor of the internal combustion engine cooling system and informs the driver about its value below the operational level, which helps to prevent the failure of the hydraulic motor of the cooling system, temperature control of the internal combustion engine cooling system to prevent engine overheating, as well as an additional control of crankshaft revolutions of an internal combustion engine, distance traveled, vehicle speed CA, allowing to evaluate the complexity of the bus operation, as well as the “human factor” and the reasons for the failure of the turbocompressor of the bus’s internal combustion engine due to prolonged idling.

Informing the driver about the gear engaged, the speed and the distance traveled helps to prevent the automatic transmission of the bus from failing due to “coasting” with the driver engaged in neutral gear.

Real-time control of the fuel level in the fuel tank provides fuel savings, and also eliminates the theft.

In addition, monitoring the air temperature in the passenger compartment of the bus and informing the driver of its values allows the driver to maintain a microclimate in the cabin that meets the technical requirements.

Claims (1)

On-board information and diagnostic complex of a route vehicle, comprising a measuring unit, including a steering wheel position sensor, an acceleration sensor, an on-board voltage indicator, a gearbox operating mode indicator, a fuel level sensor, two air temperature sensors in the passenger compartment of the vehicle, a propeller shaft position sensor , brake system actuation indicator, coolant level sensor in the cooling system, oil level sensor of the hydraulic motor of the cooling system, temperature sensor tours of the cooling system of the internal combustion engine, the engine speed sensor and the door opening indicator in the passenger compartment, each of which is connected through a series-connected managed switch and interface unit to the controller information inputs, as well as a real-time clock connected to another controller information input , a removable storage medium connected to the output of the controller, the other output of which is connected to the control input of the switch, the operational memory unit , Input / output coupled to a respective output / input of the controller, and installed in the cab of the vehicle route text display to the input / output unit data inputs / outputs connected to the corresponding outputs / inputs of the controller.