RU149529U1 - DEVICE FOR DETECTING FAILURES OF ELECTRICAL ENGINEERING DIESEL - Google Patents

Abstract

1. A device for detecting malfunctions of electrical equipment of a locomotive, including light emitting diodes, characterized in that it includes a control unit with two connectors and an indication unit connected to each other via communication cables between the electronic units of the interfaces of the sections of the locomotive, while the indication unit contains means for communication cable inspection, including at least two connectors for testing communication cables and contrasting color LEDs; means for checking the wiring of the electronic power connector eye temperature meter, including a connector for checking soldered connector electronic temperature measuring unit and a pair of power LEDs of contrasting colors, and a means for testing single wires including a connector for testing single wires and a pair of LEDs contrast tsveta.2. The device according to claim 1, characterized in that the control unit and the display unit are made with the possibility of their grounding. 3. The device according to claim 1, characterized in that the display unit is operable from the battery, providing the possibility of its regular charging without removing from the housing, available in the display unit. The device according to claim 1, characterized in that the means for checking the wiring of the power connector of the electronic unit of the temperature meter additionally contains a resistor through which the LEDs are connected to the connector for checking the wiring of the power connector of the electronic unit of the temperature meter. The device according to claim 1, characterized in that the control unit contains five switches. The device according to claim 3, characterized in that

Description

The utility model relates to electrical engineering and can be used to monitor the health of control circuits of diesel locomotives, as well as to control single wires to protect against current leakage. From the "prior art" is known a device for detecting malfunctions of electrical equipment of a diesel locomotive, which is a control lamp. As a control lamp, use a conventional locomotive lighting lamp (or a 55-V traffic light) inserted into a lampholder with two flexible insulated wires one 5 m long and the other 1 m long. A spring contact clamp is fixed to the end of a long wire, on a short probe with an insulated handle (see GONCHAROV Yu.G. et al. “Diesel locomotive control and maintenance”, Moscow, Transzheldorizdat, 1961).

A disadvantage of the known device is its limited functionality, due to the ability to control only the voltage circuit of the locomotive.

In addition, from the "prior art" is known a device for detecting malfunctions of electrical equipment of a diesel locomotive, including light-emitting diodes and resistors connected in series. In this case, a malfunction is found when the diode light changes or is extinguished (see China Patent Document No. 202631681, publ. 12/26/2012).

A disadvantage of the known device is also low functionality, due to the ability to test only one type of electrical equipment of the locomotive.

The objective of this utility model is to eliminate the above disadvantages.

The technical result consists in increasing the functionality of the device, allowing simultaneously or alternately testing the communication cables, the wiring of the power connector of the electronic unit of the temperature meter and single wires of the locomotive.

The technical result is ensured by the fact that the device for detecting malfunctions of electrical equipment of a diesel locomotive includes light emitting diodes. It also includes a control unit with two connectors and an indication unit connected to each other via communication cables between the electronic units of the interfaces of the locomotive sections. The display unit includes means for checking communication cables, including at least two connectors for checking communication cables and contrasting LEDs, means for checking the wiring of the power connector of the electronic unit of the temperature meter, including a connector for checking the wiring of the power connector of the electronic unit of the temperature meter, and a pair LEDs in contrasting colors, and a tool for testing single wires, including a connector for testing single wires and a pair of LEDs in contrasting colors a.

In accordance with special cases of implementation of the device may have the following design features.

The control unit and the display unit are made with the possibility of their grounding.

The display unit is configured to operate from a battery, providing the possibility of its regular charging without removing from the housing available in the display unit.

The means for checking the wiring of the power connector of the electronic unit of the temperature meter additionally contains a resistor through which the LEDs are connected to the connector for checking the wiring of the power connector of the electronic unit of the temperature meter. The control unit contains five switches.

The display unit is made with additional light emission.

The essence of this utility model is illustrated by a circuit in which electrical circuits of an indication unit and a control unit are displayed together.

The following structural elements are displayed in the illustration:

1 - display unit;

2 - control unit;

3 - connector;

4 - connectors;

5 - means of grounding the control unit;

6 - switch;

7 - switch;

8 - switch;

9 - switch;

10 - switch;

11 - connectors for checking communication cables;

12 - connectors for checking communication cables;

13 - connector for checking the wiring of the power connector of the electronic unit of the temperature meter;

14 - connectors for checking communication cables;

15 - connector for testing single wires;

16 - LED;

17 - LED;

18 - LED;

19 - LED;

20 - LED;

21 - LED;

22 - LED;

23 - LED;

24 - LED;

25 - LED;

26 - means of light emission;

27 - battery;

28 - means of grounding the display unit;

29 - resistor;

30 - connector for charging the battery.

A device for detecting malfunctions of electrical equipment of a diesel locomotive includes an indication unit 1 and a control unit 2. Each unit is made in a separate housing, but they do not belong to a set of devices, since they are in constructive unity using communication cables between the electronic units of the RTP / 422 interface first sections of the locomotive and the RTP / 422 interface of the second section of the locomotive.

The control unit 2 is made with two connectors 3, 4 of the type DB 9M and DB 9F, designed to connect communication cables to them. The control unit 2 also contains five switches 5, 6, 7, 8, 9, 10, allowing you to check the connections of the control circuits of the locomotive.

Information about the presence of faults is displayed by the display unit 1, which has means for checking communication cables, means for checking the wiring of the power connector of the electronic unit of the temperature meter, and means for testing single wires.

The means for checking communication cables includes connectors for checking communication cables 11, 12, 14 of type BV 9M, BV 9R and BV25M and red LEDs 16,17,18,19,20, 21, means for checking the wiring of the power connector of the electronic unit of the temperature meter includes a connector 13 for checking the wiring of the power connector of the electronic unit of the temperature meter type RMD and a pair of green and red LEDs 24, 25. The tool for checking the wiring of the power connector of the electronic unit of the temperature meter additionally contains a resistor 29, through that LEDs 24, 25 are connected to a connector 13 for testing electronic connector desoldering temperature meter power supply.

The tool for testing single wires includes a connector type 15 KSA for testing single wires and a pair of green and red LEDs 22, 23.

The combination of several means of checking the operability of electrical equipment of a diesel locomotive in one device will increase its functionality and allow monitoring to be performed in a shorter time and without using additional methods and devices. The control unit 2 and the display unit 1 are made with the possibility of their grounding by means of grounding 5 and 28, including a wire with a clamp.

The display unit 1 is configured to operate from the battery 27, providing the possibility of its regular charging without removing from the housing using the connector 30 for charging the battery. The display unit is made with means of additional light emission 26, containing white LEDs.

The present device is used as follows.

Before starting operation, the ground wires of blocks 1 and 2 are attached to the metal part of the locomotive’s body using clamps.

To test the communication cables between the interfaces, the cable connectors of the tested interface are connected through connector 3, type DB 9M to control unit 2, and the second end of the cable being tested is connected to connector 11, type DB 9M, to display unit 1. When five switches 6 to 10 are turned on one by one on display unit 1, in the absence of malfunctions in the circuit, the red LEDs 16, 17, 18, 19, 20 should turn on alternately. In the event of a malfunction of one of the links in the control circuit, a signal will not be received, while the LEDs will not light up or one will light up temporarily red LEDs 16, 17, 18, 19, 20.

To verify the correct wiring of the power connector of the electronic unit of the temperature meter, it is necessary to connect the power connector of the meter unit to the connector 13 of the RMD of the display unit 1 of the device. If the wiring is correct, the green LED 25 on the display unit 1 lights up. If the wiring is incorrect, the red LED 24 lights up. To check the communication cable from the temperature meter unit to the RTP / 422 interface, it is necessary to connect the cable connector of the temperature meter to the connector 14 of device display unit 1, and connect the other end of the communication cable of the temperature meter and interface to the connectors 3 DB 9M or 4 DB 9F of the control unit 2 of the device.

When turning on the switches 7 and 8 in turn on the display unit 1, the corresponding LEDs 17 and 18 should light up, and the LED 21 should also light up, which indicates the serviceability of the cable and the correct wiring. If there is a malfunction, then one of the diodes 17 and 18, 22 do not light up

To check the single wires of the locomotive for integrity (open circuit) on the display unit 1 has a connector 15, type RCA. For testing, it is necessary to connect one end of the wire to the connector 15 of the display unit, and the other to the grounding means 5, if the wire is not damaged, then the green 22 and red 21 LEDs light up brightly. When a wire breaks, the LEDs do not light. If the circuit passes through the coil of the electric apparatus of the locomotive, then the red LED 21 lights up brightly, and the green is dim.

When checking the harness relative to the locomotive case, the LEDs glow indicates the current flowing in the tested harness and, accordingly, its malfunction is a short to the case.

To check the control cable harnesses for a short circuit to the locomotive body, it is necessary to disconnect the harness from the RTP / 422 interface electronic unit on the first section of the locomotive. Connect the disconnected harness to the display unit 1 in one of the connectors 11 or 12, depending on the harness design. Connect the clamp of grounding device 28 (minus) to the locomotive case.

On another section (second, third or fourth, depending on the locomotive’s design, and in which section the harness should be checked), disconnect the harness from the RTP / 422 interface electronic unit and leave it free.

To create a power circuit for the LEDs 16, 17, 18, 19, 20, the locomotive body will serve as a conductor for the negative potential.

If there is no malfunction in the harness, the LEDs 16, 17, 18, 19, 20 should not light.

In the event of a malfunction, one of the mentioned LEDs should light up, this indicates that the cable being tested has a short to the locomotive body. If several LEDs light up, then the harness conductors corresponding to the illuminated LEDs are closed to the locomotive body and to each other.

If there is no malfunction (short circuit to the housing), the LEDs should not light.

To check the integrity of the temperature sensor cable, connect the cable to connector 12 of display unit 1 and leave the other end free. The clamp of the grounding means 28 is connected to the body of the locomotive.

In the event of a malfunction, one of the LEDs 17, 18 and 21 should light up, this indicates that there is a short circuit to the locomotive body in the tested harness. If several LEDs light up, then the harness conductors corresponding to the illuminated LEDs are closed to the locomotive body and to each other.

If there is no malfunction (short circuit to the housing), the LEDs should not light.

Claims (6)

1. A device for detecting malfunctions of electrical equipment of a locomotive, including light emitting diodes, characterized in that it includes a control unit with two connectors and an indication unit connected to each other via communication cables between the electronic units of the interfaces of the sections of the locomotive, while the indication unit contains means for communication cable inspection, including at least two connectors for testing communication cables and contrasting color LEDs; means for checking the wiring of the electronic power connector eye temperature meter, including a connector for checking soldered connector temperature meter electronic power supply unit and a pair of contrasting colors of LEDs, and a means for testing single wires including a connector for testing single wires and a pair of light-emitting diodes in a contrasting color. 2. The device according to p. 1, characterized in that the control unit and the display unit are made with the possibility of their grounding. 3. The device according to p. 1, characterized in that the display unit is configured to operate from a battery, providing the possibility of its regular charging without removing from the housing available in the display unit. 4. The device according to claim 1, characterized in that the means for checking the wiring of the power connector of the electronic unit of the temperature meter additionally contains a resistor through which the LEDs are connected to the connector for checking the wiring of the power connector of the electronic unit of the temperature meter. 5. The device according to p. 1, characterized in that the control unit contains five switches. 6. The device according to p. 3, characterized in that the display unit is made with means of additional light emission.

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