RU59809U1 - DEVICE FOR REGISTRATION OF LOCOMOTIVE OPERATION MODES - Google Patents

Abstract

The utility model relates to the field of control of operating modes of equipment for measuring active power and consumed electricity.

A device for recording the operating modes of a locomotive, containing sensors of analog current and voltage signals, which are made in the form of a shunt and a voltage divider and installed in the electric circuit of the locomotive, relay sensors, which are made in the form of voltage dividers and connected to the corresponding windings of the speed controller load relay locomotive crankshaft, analog-to-digital converter, counting-deciding control unit and recording signals, adapter for relay signals, real-time clock, memory an adapter for the switching port and a power source, which additionally includes sensors for the rotational speed of the crankshaft of the diesel engine and rotors of the turbocharger of the diesel boost, which are installed on the crankshaft of the diesel engine and rotors of the turbocompressors, diesel fuel flow sensors that are installed at the inlet and outlet of the fuel manifold diesel engines and sensors for relay signals for activating the brake compressor and fan of the refrigerator shaft, which are made in the form of voltage dividers and are installed in parallel with sections of the load relay of the locomotive’s crankshaft speed controller, the outputs of the speed and fuel consumption sensors connected through amplifiers to a signal converter, and the outputs of the relay signal sensors connected via adapters to the controller.

The device allows to increase the accuracy of control and tuning of the diesel-generator locomotive installation, to reduce the specific (and absolute) fuel consumption in operation by 2-5%, increase the turnaround time, increase the service life of the diesel-generator locomotive installation.

The expected economic effect only by reducing fuel consumption will be 150-300 thousand rubles. on one locomotive.

Description

The utility model relates to the field of control of operating modes of equipment for measuring active power and consumed electricity.

A device for recording the operating modes of a locomotive containing sensors of analog and relay signals, the outputs of which are connected to the inputs of the switch of the measuring signals, one of the output of which is connected to the input of the analog-to-digital converter, a control unit and recording signals, the input of which is connected to the output of the storage of measurement information additionally contains a computing unit, one of the inputs of which is connected to the output of the analog-to-digital converter, the second input is connected to the second output of the switch real signals, and the output is connected to the input of the control unit and recording signals. [Certificate of the Russian Federation for utility model No. 19154, IPC G 01 D 9/00, publ. 01/03/01., BI No. 22, “Device for recording the operating modes of a locomotive” by authors A. Grishchenko and etc.]

The disadvantage of this device is its limited functionality, since it does not allow to measure the current values of the diesel engine crankshaft rotor, turbocharger rotor, diesel consumption.

The closest technical solution is a device for recording the operating modes of a locomotive, containing sensors for analog current and voltage signals, sensors for relay signals, an analog-to-digital converter, a counting-deciding control unit and recording signals, additionally insulating devices are introduced into the device

amplifiers, relay signal adapter, real-time clock, memory, communication port adapter and power supply. [RF Certificate for Utility Model No. 46351, IPC G 01 D 9/00, publ. 06/27/05, BI No. 18, “Device for recording the operating modes of a locomotive” by authors Nosyrev D.Ya., Kiselev GG]

The disadvantage of this device is its limited functionality, since it does not allow to measure the current values of the diesel engine crankshaft speed, turbocharger rotor rotor, diesel fuel consumption.

This device is selected by the authors as a prototype.

The technical result is the expansion of functionality, increasing accuracy.

The technical result is achieved by the fact that in the device for recording the operating modes of the locomotive, containing sensors of analog current and voltage signals, which are made in the form of a shunt and voltage divider and installed in the electric circuit of the locomotive, relay signal sensors, which are made in the form of voltage dividers and connected to the corresponding windings of the loading relay of the locomotive’s crankshaft speed controller, analog-to-digital converter, counting-deciding control unit and recording signals, adapter re lane signals, a real-time clock, memory, a switching port adapter and a power source, sensors of the engine crankshaft and turbocharger rotor rotors are also introduced, which are installed on the diesel crankshaft and turbocharger rotors, diesel fuel flow sensors that are installed at the input and output from the diesel fuel manifold and sensors for relay signals for activating the brake compressor and the fan of the refrigerator shaft, which are made in the form of voltage dividers and set enes parallel

the windings of the loading relay of the locomotive’s crankshaft speed controller, the outputs of the speed and fuel consumption sensors connected through amplifiers to a signal converter, and the outputs of the relay signal sensors connected via adapters to the controller.

This embodiment of the device for recording the operating modes of the locomotive allows, along with the registration of the operating modes of the locomotive, to record the current values of fuel consumption, diesel speed, turbocharger rotor of the boost and thereby control the loading of the diesel generator set of the locomotive.

Figure 1 shows a diagram of the proposed device.

A device for recording the operating modes of a locomotive contains sensors for analog signals 1, 2, 3, 4, current, voltage, and two diesel fuel consumption sensors, respectively, which are installed in the electric circuit of the locomotive (not shown conditionally), sensors for relay signals 5, 6, 7, 8, which are made in the form of voltage dividers and connected to the corresponding windings of the loading relay of the locomotive’s crankshaft speed controller and relay signals sensors 9, 10, which are also (not shown conditionally), isolation amplifiers in the form of voltage dividers and connected to the windings of the relay for turning on the brake compressor and the fan of the charge of the refrigerator 11, 12, 13, 14, the adapter of relay signals 15, microcontroller 16, analog-to-digital converter 17, real-time clock 18, memory 19, display 20, keyboard 21, the adapter of the communication port 22, the power supply 23, the sensors of the rotational speed of the crankshaft of the diesel engine 24 and the rotational speed of the rotors of the turbochargers of the boost 25, 26, isolation amplifiers 27, 28, 29.

A feature of the connection diagram of these elements is that crankshaft speed sensors are additionally introduced into it

the shaft of the diesel engine 24 and the rotational speed of the rotors of the turbochargers of the boost 25, 26, which are installed on the crankshaft of the diesel and the turbochargers of the boost (with two-stage boost), two sensors 3 and 4 of the diesel flow rate, which are installed at the inlet and outlet of the diesel fuel manifold (conditionally not shown) and sensors 9, 10 relay signals for turning on the brake compressor and the fan of the refrigerator shaft, which are made in the form of voltage dividers and are installed parallel to the winding of the load relay of the knee speed controller atogo shaft locomotive, and outputs the rotational speed sensors and fuel consumption are connected through amplifiers 13, 14, 27, 28, 29 with a signal converter 17, and outputs the relay signal transmitters are connected via adapter 15 to the controller 16.

A specific example of the implementation of the device is possible using the following components and components.

A microcontroller 16, a memory based on a microcircuit 19, a display 20, a real-time clock 18, a relay signal adapter 15, a communication port adapter 22, isolation amplifiers 11, 12, 13, 14 are used as the basis for an electronic energy consumption meter with an indication device.

The operation of the device is based on periodic measurement of current, voltage using current sensors 1 and voltage 2, made in the form of a shunt and voltage divider, respectively, diesel fuel consumption, using sensors 3, 4 installed at the inlet and outlet of the diesel fuel manifold (conditionally not shown). In this case, the fuel consumption is determined as the difference between the readings of the sensors 3 and 4 at the input and output of the fuel collector, and the power is determined as the product of the readings of the current sensors 1 and voltage 2. The generated energy by the locomotive diesel generator set is determined by summing the energy generated during the survey. Specific consumption

fuel is defined as the ratio of the measured fuel consumption to power at each survey.

At the same time, the diesel engine rotation speed is recorded using the sensor 24 and the turbocharger rotor speed using the sensors 25 and 26 and the driver’s controller positions are shunted according to the readings of sensors 5, 6, 7, 8, which are connected to the corresponding windings of the load relay of the crankshaft speed controller locomotive (not shown conditionally). Additionally, the moments of turning on and off the brake compressor and the fan of the refrigerator shaft are recorded according to the readings of the relay signal sensors 9 and 10. Sensors 1, 2, 3, 4, and 24, 25, 26 are connected to the analog-to-digital converter 17 through isolation amplifiers 11, 12, 13, 14 and 27, 28, 29.

When changing the position of the driver’s controller, the value of the total energy generated at the previous position, as well as the fuel consumption, crankshaft rotation speed and rotation of the turbocharger rotors are stored in the device’s memory for further processing and analysis.

In the connection scheme of sensors 1, 2, 3, 4 and 24, 25, 26 to signal sources and relay signals of 5, 6, 7, 8, 9, 10 position register, a galvanic isolation device for a voltage of 2000 V is used. These devices are mounted in the immediate vicinity of the signal source and are connected to the device using a cable. The device is controlled using the keyboard 21 and is powered from the on-board network 22.

The device can be connected to a personal computer (PC) through an interface to unregister parameters, set the real-time clock and reprogram. Before you start using the device, you must make sure that the real-time clock is set correctly and that there is enough

memory to register. Otherwise, you need to connect the device to a personal computer (PC) and perform the necessary administration (setting the time, clearing the memory).

Connecting the device is carried out in accordance with the circuit shown in figure 1.

The device allows to increase the accuracy of control and tuning of the diesel-generator locomotive installation, to reduce the specific (and absolute) fuel consumption in operation by 2-5%, increase the turnaround time, increase the service life of the diesel-generator locomotive installation.

The expected economic effect only by reducing fuel consumption will be 150-300 thousand rubles. on one locomotive.

Claims (1)

A device for recording the operating modes of a locomotive, containing sensors for analog current and voltage signals, which are made in the form of a shunt and a voltage divider and installed in the electric circuit of the locomotive, relay sensors, which are made in the form of voltage dividers and connected to the corresponding windings of the speed controller load relay locomotive crankshaft, analog-to-digital converter, counting-deciding control unit and recording signals, adapter for relay signals, real-time clock, memory an adapter for the switching port and a power source, characterized in that additionally, sensors for the rotation speed of the diesel engine and rotors of the turbocharger of the diesel boost are installed in the device, which are installed on the crankshaft of the diesel engine and rotors of the turbocharger, diesel fuel consumption sensors installed at the input and output from the diesel fuel manifold and sensors of relay signals for turning on the brake compressor and the fan of the refrigerator shaft, which are made in the form of voltage dividers and installed parallel relay windings load regulator engine speed locomotive, and outputs the rotational frequency and fuel flow sensors are connected via the amplifiers to the signal converter and the outputs of sensors relay signals to the controller are connected via an adapter.