RU2690527C1 - Device for controlling scrap metal contamination in moving railway low-sided cars - Google Patents

Abstract

FIELD: monitoring systems.SUBSTANCE: invention relates to systems for remote monitoring of metal scrap in moving railway cars. Device for controlling scrap metal contamination in moving railway low-sided cars includes a processing and control unit, temperature measuring means, a video camera, measuring zone made in form of U-shaped frame from insulating material, along perimeter of which measuring coil and power coil are wound, magneto-resistive sensors, fixed on inner lateral surfaces of the frame on both sides to the entire height of the low-sided car, which outputs through the switch are connected to the server, laser sensors, one of which is installed in the center of the inner side of the shelter, the second one – on the inner side surface of the frame, outputs of sensors through the switch are connected to the server, processing and control unit consisting of installed in it processor with monitor, cabinets with equipment, in which eliminated alternator, switch and server.EFFECT: high accuracy of determining scrap metal contamination of railway cars and other containers.1 cl, 3 dwg

Description

The invention relates to systems for remote monitoring of scrap metal in moving railway cars, namely to systems for determining the degree of contamination by non-magnetic materials by measuring the mass of a ferromagnetic cargo ("magnetic" mass).

Known "Hermann HCVC 250250 (-2i)" (technical characteristics http://www.bezopasnost.ru/upload/iblock/f2e/HCVC%20250250n-2isa.pdf), including the steel structure of steel panels, the dimensions of the tunnel 2700 mm width and 2600 mm in height, with the possibility of its extension, shielded sliding doors at the entrance and exit with a pneumatic or electric drive. The frame is equipped with two generators, with a double-beam radiation system.

The disadvantages of this device is the possibility of video signal distortion through the use of special methods of stowage and various methods of shielding X-rays, including metal sheets, while the X-ray principle of measurement produces only blockage of the blockage.

Known industrial metal detector for conveyor lines (RF patent No. 2509305, publ. 10/27/2013), includes excitation coils covering the control zone, an alternator that generates a magnetic field in the control zone, a speed sensor, an additional receiving coil located parallel to the transmitting , the central processor unit, the receiving coils are located perpendicular to the transmitting, and have a smaller size. Data from all ADCs, speed sensor and another receiving coil connected in parallel to the transmitting one, as well as data e with weights (optional) are supplied to the CPU, wherein determining the presence of metal occurs. Also, a calibration loop is turned on in parallel with the transmitting coil, which closes periodically, which allows the device to independently perform auto-checking and auto-calibration.

The disadvantage of this device is only the qualitative determination of the metal without the possibility of determining its mass.

Known industrial metal detector for determining the percentage of ferromagnet in mining ore (RF patent №2506582, publ. 10.02.2014), consisting of excitation coils, alternator, which creates an alternating magnetic field of excitation, the receiving coil, which is parallel to the transmitting center, adder, DAC compensation signal xx receiving coil, ADC, speed sensor, additional receiving coil connected in parallel to the transmitter, scales, central processor unit, calibration loop, parallel to the receiving coil, while the high uniformity of measurement of the response value is achieved through the use of several transmitting coils to create a uniform field algorithm processing, taking into account the signal of an additional coil located parallel to the transmitting one, generating a compensation signal x.x. taking into account the redistribution of the harmonics of the fundamental frequency and the compensation of the x.x. signal. taking into account the changing environment (climatic, mechanical changes) dynamically, i.e. without loss of sensitivity in real time.

The disadvantage of this device is heavy scalability and the lack of consideration for the influence of containers.

A system is known for automatically analyzing and signaling the presence of non-magnetic goods in railway cars (RF Patent No. 120778, published on September 27, 2012), which includes a measuring frame for creating a magnetic field, to a measuring frame installed with the possibility of passing a car through it, all the conductors of which, including the inductance coil, are made of copper wire of large cross section, power and communication lines, a data processing unit, an automatic analysis and signaling unit are connected.

The disadvantage of this device is to measure only the integral characteristics without taking into account the dependence of the distribution of the magnetic field.

Known installation of automatic monitoring of scrap metal in moving railway cars (RF patent No. 129660, published. 06.27.2013), including a measuring frame for creating a magnetic field, power supply, data processing unit, automatic analysis and alarm unit. The measuring frame is made in the form of two identical flat crossed coils, oriented by their planes mutually perpendicular to each other and arranged with the possibility of passing cars through them. In this case, the magnetizing currents in the coils can be set different in amplitude, frequency and phase, or equal in amplitude and frequency, but shifted in phase by 90 °, thereby ensuring the rotation of the magnetic field in the horizontal plane of the measuring zone of the frame.

The disadvantage of this device is to measure only the integral characteristics without taking into account the dependence of the distribution of the magnetic field.

There is a method of determining the magnetic mass of railway cars and the system for its implementation (RF Patent No. 2556831, published on July 20, 2013), adopted as a prototype, including means for determining the quality factor and inductance, means for measuring temperature, an ultrasonic car level sensor, photoelectric sensors car position, optical speed sensors, video camera, bulk density sensors, as well as the processing and control unit.

The disadvantage of this device is to measure only the integral characteristics without taking into account the dependence of the distribution of the magnetic field.

The technical result is the creation of a device with high accuracy in determining the contamination of scrap metal of railway cars and other containers.

The technical result is achieved by the fact that the measurement zone is made in the form of an U-shaped frame of insulating material, around the perimeter of which the measuring coil and power coil are wound, magnetic-resistive sensors mounted on the inner side surfaces of the frame are installed on both sides at full height gondola, the outputs of which through the switch are connected to the server, laser sensors, one of which is installed in the center of the inner side of the canopy, the second - on the inner side surface of the frame, Sensor outputs through a switch are connected to a server, a processing and control unit consisting of a processor with a monitor, cabinets with equipment in which the alternator, a switch and a server are eliminated, and a processing and control unit are connected to the frame of cable channels with wires. Magnetic resistive sensors are installed across the entire width of the canopy on brackets rigidly fixed to the inner surface of the canopy.

The device for controlling the contamination of scrap metal in moving railway wagons is illustrated by the following drawings:

FIG. 1 - the general scheme of the device;

FIG. 2 - cross-section of the frame frame;

FIG. 3 - frame, front view, where:

1 - frame;

2 - magnetic resistive sensors;

3 - canopy;

4 - laser sensor;

5 - gondola;

6 — processing and control unit;

7 - measuring coil;

8 - power coil;

9 - equipment cabinet;

10 - alternator;

11 - server;

12 - temperature and humidity sensor;

13 - switch;

14 - video camera;

15 - a processor with a monitor;

16 - cable channels with wires.

The device for monitoring the contamination of scrap metal in moving railway gondola cars consists of a measurement zone, which consists of frame 1 (Fig. 1) of a U-shaped form made of an insulating material, such as fiberglass, the perimeter of which is wound (Fig. 1, 2) measuring coil 7 and power coil 8. On the inner side surfaces of frame 1 (Fig. 1), on both sides, are mounted on brackets with the possibility of removing magnetic resistive sensors 2, fixing the magnetic characteristics of the gondola car in 3 directions. Magnetic resistive sensors 2 are located along the entire height of the gondola to determine the uneven loading. Magneto-resistive sensors 2 are installed across the entire width of the canopy 3 (Fig. 3) on brackets rigidly fixed to the inner surface of the canopy 3. The outputs of the magneto-resistive sensors 2 through the switch 13 are connected to the server 11. In the center of the inside of the canopy 3 (Fig. 1 ) the first laser sensor 4 is installed, the output of which through the switch is connected to the server 11, the second laser sensor 4 is installed on the inner side surface of the frame 1, its output through the switch 13 is connected to the server 11. In the upper part of the side walls of the frame 1 is fixed mounts with the possibility of removing the temperature and humidity sensor 12, the outputs of which are connected to the server 11 via cable lines. A video camera 14 connected via a cable line through the switch 13 to the server 11 is installed on the outside of the canopy 3. A processing and control unit 6 is installed near the frame 1 , for example container type bungles connected to frame 1 cable channels with wires 16. A processor with a monitor 15 and cabinets with equipment 9 are installed in the processing and control unit 6, in which there are an alternator 10, a com utator and server 11.

The device works as follows. Frame 1 is installed with the possibility of passing through the gondola 5. The laser sensors 4 record the speed values required for normalizing the integral values of all other measured parameters, the load level, the height of the boards and the dimensions of the gondola cars and transmit this data to the server, data from the humidity sensor 12 also transmit data about the state of the object to the server. The alternator 10, which is powered power coil 8, with a certain voltage, current and frequency, creating a magnetic field. The measuring coil 7 is taken from the current, voltage, and transmitted for processing to the server 11 through the switch. Simultaneous synchronized data collection occurs. After the server 11 has received all the necessary data, the process of their processing takes place, the result of which is the value of the mass of the scrap metal, which is subsequently compared with the total mass of the cargo from the car-scale. The difference is the number of debris in the wagon with scrap metal. Data from the server 11 is transmitted to a processor with a monitor 15, which are recorded by the operator or transmitted over a local network to the database of enterprises. Data from the video camera 14 is transmitted to the server 11, and then to the processor with the monitor 15, this allows the operator to monitor the passage of cars through frame 1 and, in the event of an emergency, give a command to stop working.

The device allows you to more accurately determine the weight of the metal and non-metal parts of the cargo, and therefore it is possible to determine the level of contamination of scrap metal directly in railway gondola cars, as well as in cars or containers. The use of the device is possible at the enterprises for processing scrap metal, at railway junctions, in ports.

Claims (2)

1. A device for monitoring the contamination of scrap metal in moving railway wagons, including a measurement zone, a processing and control unit, means for measuring temperature, a video camera, characterized in that the measurement zone is made in the form of an U-shaped frame made of an insulating material, around the perimeter of which is wound measuring coil and power coil, on the frame there are additionally installed magnetic resistive sensors mounted on the inner side surfaces of the frame on both sides to the full height of the gondola car, cat outputs via the switch are connected to the server, laser sensors, one of which is installed in the center of the inner side of the canopy, the second is on the inner side surface of the frame, the outputs of the sensors are connected to the server through the switch, the processing and control unit consisting of the processor and monitor installed in it, cabinets with equipment in which the alternator, the switch and the server are installed, the processing and control unit is connected to the frame of the cable channels with wires. 2. The device under item 1, characterized in that the magnetic-resistive sensors are installed across the entire width of the canopy on the brackets rigidly fixed to the inner surface of the canopy.

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