RU2238869C1 - Recorder of train moving parameters - Google Patents

Abstract

FIELD: railway transport; measurement facilities.

SUBSTANCE: data receiving and processing unit is installed in train head car which is connected with automatic driving central processor, odometer and speedometer, pressure transmitter, electric train control circuit unit and automatic cab signaling unit. Data receiving and processing unit is furnished with indicator, control panel, first controller and detachable data storage unit. Each motor car of train is furnished with high voltage measuring unit consisting of high-voltage current and voltage pickups which are connected through resistance0icolated circuits with computer. Each motor car and trailing car is provided with data receiving and transmitting unit consisting of control unit, second controller, storage unit, temperature transmitter and car electric circuits condition pickups. Second controller is connected through corresponding matching units with first controller and with output of computer of corresponding high-voltage measuring unit, being connected to temperature transmitter, car electric circuits condition pickups and control unit.

EFFECT: enlarged operating capabilities of device, provision of recording of all parameters of running train with automatic taking of information concerning route and forming electronic report forms.

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Description

The invention relates to railway transport and can be used to record the parameters of train movement and auto-driving.

A device is known for recording the parameters of the movement of a train, comprising a track and speed sensor connected to blocks for determining speed and distance traveled, connected to a recorder, to which an output unit for determining a current time is connected, an input of which is connected to a time sensor, to which a second input of a unit for determining speed, as well as a pressure sensor associated with the recorder (see GV Javakyan “Locomotive speed meters”. M: Transport, 1984, pp. 26-36).

In this device, the information received from the motion parameters sensors is recorded on the high-speed tape only during the movement of the train. Recording the state of the sensors at zero speed in the known device is not performed.

The closest is a device for recording parameters of the movement of the train, containing a track and speed sensor, a time stamp sensor, a pressure sensor in the brake line, the output of the track and speed sensor is connected to the inputs of the path determination unit and the speed determination unit, the second input of the speed determination unit is connected to the output of the time stamp sensor, the input of the current time determination unit and the input of the AND element, the second input of the And element is connected to the outputs of the manual control mode setting element and the threshold element coagulant, output element and connected to an input of the OR gate, the second input of which is connected to the output determination unit distance traveled, and the output - to the control input of the registrar. Information inputs of the recorder are connected to the outputs of the brake pressure sensor, current time determination unit and speed determination unit. The output of the speed determination unit is also connected to the input of the threshold element (see RU 2041100, B 61 L 25/02, 1995).

The known device allows the driver to have operational information about the parameters of the movement of the train, the state of its braking system in the parking lot and during movement.

The disadvantages of the known device include the inability to provide an automated process for retrieving information about the entire route of the train, including information on the technical condition of the rolling stock.

The technical result consists in recording all the parameters of the train’s movement and auto-driving, including information on the value of the speed of movement, the distance traveled, on the control modes, on the technical condition of the rolling stock, while providing an automated process for collecting information about the entire route of the train and the formation of electronic reporting forms.

The technical result is achieved by the fact that in the recorder of the parameters of the movement of the train containing the information reception and processing unit, which is installed in the head carriage of the train and equipped with an indicator and control panel, as well as the path and speed sensor, pressure sensor associated with it, are entered into the information reception and processing unit the first controller, a removable information storage unit, the first, second, third, fourth and fifth interface units, wherein the first controller is connected to an indicator and a control panel through the first interface unit, Through the second interface unit - with a path and speed sensor and pressure sensor, through the third interface unit - with a removable information storage unit and through the fourth interface unit - with the central processor unit of the automatic drive system, while the other inputs of the second interface unit are inputs for connecting the circuit block the control of the electric train and the automatic locomotive signaling unit, a high-voltage measuring unit consisting of high-voltage voltage and current sensors has been introduced into each of the motor cars of the train, which are connected to a computer through a high-voltage galvanic isolation unit, an information reception and transmission unit consisting of a control unit, a second controller, a memory unit, a temperature sensor, sensors for the state of electrical circuits of the car, the sixth and seventh interface units is inserted into each of the motor and trailed cars of the train wherein the second controller is connected through a sixth interface unit, a communication channel and a fifth interface unit connected in series to the first controller, and through the seventh interface unit is connected to the temperature sensor, the state sensors of the electric circuits of the car and the control unit, in addition to each of the motor cars of the train introduced the eighth interface unit, through which the second controller is connected to the output of the computer of the corresponding high-voltage measuring unit.

Figure 1 presents the structural diagram of the registrar parameters of the movement of the train. Figure 2 presents information obtained from a removable unit 11 for storing information after decryption in graphical form.

The train motion parameters recorder contains an information receiving and processing unit 1 installed in the head car of the train, which includes a first controller 2, to which the outputs of the first, second, third, fourth, fifth blocks 3, 8, 12, 13, 15 of the interface are connected, respectively .

The control panel 5 is connected to the input of the first interface unit 3, the output of which is connected to the indicator 4. A path and speed sensor 6, a pressure sensor 7, an electric train control unit 9, and an automatic locomotive signaling unit 10 are connected to the second interface unit 8. The third pairing unit 12 is connected to a removable block 11 for storing information. The fourth block 13 of the pair is connected with the output of block 14 of the Central processor of the automatic driving system. The output of the fifth interface unit 15 is connected to sixth interface units 17, which are installed in each car of the electric train, through the communication channel 18.

In each motor and trailer carriages of the train, a block 16 for receiving and transmitting information is installed, which includes a second controller 19 connected to the sixth, seventh and eighth blocks 17, 21, 30 of the interface, respectively, as well as with the block 20 of the memory. The temperature sensor 22, the sensors 23 of the state of the electrical circuits of the corresponding car of the electric train are connected to the inputs of the seventh unit 21 of the interface, and the control unit 24 is connected to its output.

In each motor car of the train, a high-voltage measuring unit 25 is installed, which includes high-voltage voltage and current sensors 26 and 27, respectively, a galvanic isolation unit 28 connected to a computer 29, the output of which is connected to the eighth interface unit 30.

The first controller 2 of the head carriage is made on two microprocessors, one of which processes the signal from the path and speed sensor 6 and the pressure sensor 7 coming from the output of the second interface unit 8, and controls the operation of the indication unit 4. The second microprocessor provides the operation of the interface unit 15, which controls the high-frequency communication channel 18, and also processes the discrete signals of the automatic locomotive signaling (ALSN) coming from the block 10 of the automatic locomotive signaling, and the signals from the block 9 of the control circuits.

The indication unit 4 can be made on the basis of two four-digit LED matrices of seven-segment indicators. Dynamic indication is provided by a microprocessor connected through a pair of interface 3. Manual input of information and control of the display mode is carried out using the control buttons belonging to the control panel 5. The signals from the buttons are processed by the microprocessor of the first controller 2.

Discrete signals from the path and speed sensor 6 and the pressure sensor 7 of the DDX type (TNKSh. 4062333.006 TU) or the like are fed through the interface unit 8, made on the basis of optocouplers, to the controller 2. The interface unit 15 can be made on the basis of a specialized FSK chip, for example NJM2211M, and provides hardware support for a high-frequency communication channel between blocks of information reception and transmission using a two-frequency communication protocol with carrier frequencies of 90 kHz - logical 0 and 110 kHz - logical 1, located in different vag nah, communication channel 18.

The organization of communication of the first controller 2 with the block 14 of the central processor of the auto-driving system is carried out through the block 13 interface, which uses the standard RS-232 interface. The interface unit 12, made on the basis of an operational amplifier, for example, LMV331MS with a transistor switch circuit at its input, provides an exchange through the power circuits of the information storage unit 11, made in the form of a removable cartridge.

Block 17 interface is made similar to block 15, provides hardware support for a high-frequency communication channel with block 1 for receiving and processing information located in the head carriage. The second controller 19 is based on a microprocessor. The signals from block 20, made on the basis of the EPROM, block 22, made on the basis of a semiconductor temperature sensor and ADC, block 23, which is the contacts of the control circuits, block 24 of the control, made on the basis of transistor switches, come through the block 21, made on the basis of optocouplers, to the second controller 19.

The high-voltage voltage sensor 26 is made on the basis of a high-voltage resistive voltage divider and an ADC, which provides voltage measurement in the contact network, the current sensor 27, which measures the consumption current, is made on the basis of a measuring shunt, for example 150ShС750, and the ADC, the galvanic isolation unit 28 is made on the basis of a transformer , the calculator 29 is made on the basis of a microprocessor module and a ROM.

The recorder parameters of the movement of the train operates as follows.

In the head car of the electric train, an information receiving and processing unit 1 is installed, which synchronizes the operation of the information receiving and transmitting units 16 installed in the motor and trailed cars of the electric train, and in motor cars the block 16 is connected to the high-voltage measuring unit 25.

When connecting the information storage unit 11 through the third interface unit 12 to the first controller 2, the latter initiates the process of exchanging information with the second controllers 19 of motor cars with a given frequency through the interface unit 15, the communication channel 18 and the interface unit 17. In block 20 of the memory of each motor or trailer car, an identification code of the car is recorded.

Information about the magnitude of the voltage of the contact network and the current consumption is supplied to the calculator 29 from the high-voltage voltage sensor 26 and the current sensor 27 through the galvanic isolation unit 28. The calculator 29 performs the operation of calculating the value of the consumed electric energy E by the following expression: E = ΣUi × Ii × Δt, where Ui is the instantaneous value of the voltage of the contact network, Ii is the instantaneous value of the current consumption, Δt is the specified time interval, for example 1 ms. In the computer 29 is the accumulation of information about the amount of electricity consumed.

In each cycle of information exchange, information is transmitted on the magnitude of the current, voltage of the contact network, consumed electricity, as well as the identification code of the car through the interface unit 30 to the second controller 19 of the motor car. In addition, information from the temperature sensor 22 in the cabin of the car and from the sensors 23 of the state of the electrical circuits of the car comes to the second controller 19 of the motor or trailer car through the interface unit 21. Through the communication channel 18 through the blocks 15 and 17 of the interface, the second controllers 19 of the motor cars transmit information to the first controller 2 of the head car for recording through the block 12 of the interface to the block 11 of information storage.

The second controller 19 of the car (motorized or trailed) through the interface unit 21 in accordance with the algorithm recorded in the memory unit 20, controls auxiliary units of the motorized or trailed carriage using the control unit 24.

The trailer car does not have a high voltage measuring unit 25.

The first controller 2 of the head carriage, through the interface unit 12, records information coming in through the communication channel 18 through the corresponding interface units 15 and 17 from the second controllers 19 (motorized and trailed cars), as well as information coming through the interface unit 8 to the information storage unit 11 .

After deciphering the information obtained from the removable information storage unit 11, it can be represented in graphical form, as shown in Fig. 2, where the registered parameters of the train and auto-driving are displayed, including information about the magnitude of the speed of travel, the distance traveled, and the control modes (for the selected track section). In particular, the graph shows: the magnitude of the voltage of the contact network during the movement of the train, the amount of current consumed (for each motor car) with varying modes of train movement, the magnitude of the speed of the train, signals of automatic locomotive signaling (ALSN) coming from block 10 of the automatic locomotive alarms during the movement of the train, as well as other parameters and information.

Claims (1)

A registrar of train movement parameters, comprising a unit for receiving and processing information installed in the head carriage of the train and equipped with an indicator and a control panel, as well as a track and speed sensor and a pressure sensor associated with it, characterized in that a first controller is introduced into the unit for receiving and processing information, a removable information storage unit, the first, second, third, fourth and fifth interface units, while the first controller is connected to the indicator and the control panel via the first interface unit, through the second interface unit - with a path and speed sensor and a pressure sensor, through a third interface unit - with a removable information storage unit and through a fourth interface unit - with a central processor unit of the automatic driving system, while the other inputs of the second interface unit are inputs for connecting a block of control circuits of the electric train and automatic locomotive signaling unit, a high-voltage measuring unit consisting of high-voltage voltage and current sensors, which through the unit is high volt galvanic isolation is connected to the calculator, an information reception and transmission unit consisting of a control unit, a second controller, a memory unit, a temperature sensor, state sensors of electrical circuits of the car, the sixth and seventh interface units is introduced into each of the motor and trailed cars of the train the second controller through the sixth interface unit, the communication channel and the fifth interface unit connected in series to the first controller, and through the seventh interface unit connected to the temperature sensor, yes Chicama condition of electric circuits of the car and the control unit further in each of the motor cars of the train entered eighth interface unit through which the second controller is connected to the high voltage output of the calculator respective measuring unit.

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