KR101177206B1 - Diesel locomotive control module testing apparatus - Google Patents

Abstract

The present invention relates to a diesel locomotive control module inspection apparatus, comprising: an inspection body having a module insertion hole in which a module is mounted; A module selection switch provided on the plate surface of the inspection body to select a module to be inspected; A module inspection unit provided inside the inspection body and having a plurality of different module inspection circuits for inspecting the performance of the module mounted in the module insertion hole; A relay unit for selectively connecting the plurality of module inspection circuits; And a control unit controlling the relay unit to connect the module inspection circuit selected through the module selection switch among the plurality of module inspection circuits, and controlling the module inspection circuit so that the connected module inspection circuit inspects the module. do.

Description

Diesel locomotive control module inspection device {DIESEL LOCOMOTIVE CONTROL MODULE TESTING APPARATUS}

The present invention relates to a diesel locomotive control module inspection apparatus, and more particularly, to a diesel locomotive control module inspection apparatus that can accurately inspect a plurality of modules with one equipment.

The module unit of a diesel locomotive is a control device that plays a key role in driving a vehicle and is an expensive component, and thus a periodic inspection thereof is necessary.

1 is a perspective view schematically showing the configuration of a general module (A). The inspection of the conventional module (A) is performed by checking the input voltage and the output voltage using the multi tester 10 as shown in FIG.

By the way, when the inspection using the multi-tester 10, because the inspector checks each part in the state of boarding the vehicle, there was a disadvantage that the entire inspection time is delayed.

In addition, there was a problem that the test results are not constant according to the function and skill of the tester.

In addition, the characteristics of the diesel electric locomotive is to maintain the rated output by operating the corresponding module to control the increase or decrease of the load, the inspection of the module in the stationary state is to check only the specific section of the module, so that the multi-tester 10 The test method through this method has a limitation that the first half inspection of the module cannot be performed.

In other words, in order to check the maximum output of the vehicle, the vehicle must be raised to full load, because it is impossible to test by raising the vehicle to full load from a stationary state.

In addition, since the module cannot be repaired because the internal parts of the module (resistance, capacitors, diodes, etc.) cannot be inspected, there is a problem of costly replacement of all the suspected parts with new ones if the module does not function correctly. .

In addition, the number of modules that can be inspected through the multi-tester 10 of the total of 14 modules used in the diesel electric locomotive is limited to seven types, the test means for the remaining modules are urgently required.

An object of the present invention is to solve the above problems, to provide a diesel locomotive control module inspection apparatus that can obtain accurate inspection results regardless of the skill of the operator.

In addition, another object of the present invention is to provide a low-cost diesel locomotive control module inspection apparatus that can inspect all kinds of modules through one equipment.

In addition, another object of the present invention is to provide a diesel locomotive control module inspection apparatus that can inspect each component inside the module individually so that only the corresponding parts can be replaced when the module is defective.

In addition, another object of the present invention is to provide a diesel locomotive control module inspection apparatus capable of inspecting the module by adjusting the load of the module.

One aspect of the present invention for achieving the above technical problem relates to a diesel locomotive control module inspection apparatus. Module inspection apparatus of the present invention includes a test body provided with a module insertion hole is mounted module; A module selection switch provided on the plate surface of the inspection body to select a module to be inspected; A module inspection unit provided inside the inspection body and having a plurality of different module inspection circuits for inspecting the performance of the module mounted in the module insertion hole; A relay unit for selectively connecting the plurality of module inspection circuits; And a control unit controlling the relay unit to connect the module inspection circuit selected through the module selection switch among the plurality of module inspection circuits, and controlling the module inspection circuit so that the connected module inspection circuit inspects the module. do.

According to one embodiment, the inspection body may be provided with a plurality of input switches for arbitrarily adjusting the input signal and the feedback signal according to the module selection.

According to one embodiment, the inspection body may be provided with a 14-pin connector and a 28-pin connector that can directly connect the module to inspect the components in the module.

According to one embodiment, the front of the inspection body is provided with a measurement voltage / current indicating unit for displaying the input and output values during the module inspection of the module inspection circuit.

According to one embodiment, the plurality of module inspection circuit, voltage regulator module, excitation limiting module, track characteristics module, generator voltage adjustment module, generator excitation adjustment module, ratio control module, sensor module, throttle response module, salsa module, It may be provided to inspect at least one of the wheel speed module, wheel idle module, mixed brake module, power generation brake protection module, power generation brake adjustment module, transition module and the alarm module.

The diesel locomotive control module inspection apparatus according to the present invention has an advantage that the functional circuit of all kinds of modules can be tested by automatically configuring the inspection circuit for each module compared to the conventional method using the multi-tester. In addition, the module mounting portion is provided as one, but by selecting the module-specific selection switch is easy to check the module can be used easily by inexperienced workers.

In addition, a separate 14-pin, 28-pin jig device is provided to inspect each part inside the module. Accordingly, it is possible to check the function of parts in case of failure of the module, so that the module can be regenerated, and if it is commercialized and expanded and distributed, it may be possible to reduce the actual cost and supply cost.

In particular, it is possible to repair the parts by using the performance test function of the components in the module, thereby preventing the failure of the module in advance by regenerating and checking the function of the module.

1 is an exemplary view showing an example of a module used in a general diesel locomotive,
2 is an exemplary diagram showing a module inspection process using a conventional multi-tester,
Figure 3 is a block diagram showing the configuration of a diesel locomotive control module inspection apparatus according to the present invention,
4 is a perspective view showing the external configuration of the diesel locomotive control module inspection apparatus according to the present invention,
5 is a front view showing the front configuration of the diesel locomotive control module inspection apparatus according to the present invention,
Figure 6a is a circuit diagram showing the components of the diesel locomotive control module inspection apparatus according to the present invention,
Figure 6b is a circuit diagram showing the circuit configuration of the module selection switch of the diesel locomotive control module inspection apparatus according to the present invention,
6c to 6q are circuit diagrams showing various inspection circuits of the module inspection unit of the diesel locomotive control module inspection apparatus according to the present invention;
Figure 6r is an illustration showing the configuration of each input terminal provided in the diesel locomotive control module inspection apparatus according to the present invention,
Figure 6s is an exemplary view showing the configuration of the relay unit of the diesel locomotive control module inspection apparatus according to the present invention,
7 and 8 are exemplary views showing the inspection process of the diesel locomotive control module inspection apparatus according to the present invention.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments of the present invention may be modified into various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

Figure 3 is a block diagram schematically showing the configuration of the diesel locomotive control module inspection apparatus 1 according to the present invention, Figure 4 is a perspective view showing the appearance of the diesel locomotive control module inspection apparatus 1, Figure 5 It is a front view which shows the front structure of the diesel locomotive control module test | inspection apparatus 1. As shown in FIG.

As shown, the diesel locomotive control module inspection apparatus 1 according to the present invention includes an inspection body 100, an input unit 200 provided at the inspection body 100 and inputting various signals related to module inspection, and inspection. The mounting unit 300 for mounting the module A, the load selection changing unit 400 for selecting and changing the load of the module A, and the measured voltage current for displaying the voltage and current measured by the module inspecting unit 600. Any one of the module inspection unit 600 having a display unit 500, a module inspection unit 600 provided with a plurality of module inspection circuits, and a plurality of module units 610 to 685 according to input signals input by an operator. A control unit 800 for selectively connecting the relay unit 700 and any one of the module units 610 to 685 in the relay unit 700 and controlling the selected module units 610 to 685 to inspect the module. ).

Inspection body 100 is provided in the form of a rectangular box can be fixed or installed in one place to perform a module inspection. The front surface of the inspection body 100 is formed with a recessed module insertion hole 110 is inserted into the module to be tested. The module insertion hole 110 is provided with a module mounting slot 310 in which the module (A) is mounted. One side of the module insertion hole 110 is provided with a plurality of indicator lights 120.

Indicator 120 is turned on and off so that the operator can recognize the inspection state of the module inspection unit 600. For example, by selecting the module selection switch 220 to be tested, when the corresponding module unit 610 ˜ 685 is connected by the relay unit 700, the corresponding indicator 120 is turned on, and the operator knows that the inspection is possible. .

One side of the module insertion hole 110 is provided with an input unit 200 for receiving a variety of signals related to the module inspection from the user.

The input unit 200 is provided on one side of the test body 100, and a plurality of toggle switches 210 and pushbuttons 230 used when testing a unique function of each module and a module to be tested are selected. The module selection switch 220, a power button 250 for selecting a power input, and a reset button 240 for placing the module selection switch 220 in a neutral state after the module test is completed.

Mounting unit 300 is fixed to the position during the inspection period is inserted module A to be inspected. Mounting unit 300 is provided in a size corresponding to the size of the module (A), there is provided a module mounting slot 310 connected to the module (A).

One side of the mounting portion 300 is provided with a TR power supply jack 320. The TR power supply jack 320 is connected to the corresponding module and supplies power when the transition module TR and the power generation braking protection module DP are inspected.

Here, the inspection body 100 according to the preferred embodiment of the present invention is provided with only one mounting portion 300, but in some cases a plurality of mounting portion 300 may be provided.

On the other hand, one side of the mounting portion 300 is provided with 14, 28 pin connectors 330, respectively. The 14 and 28 pin connectors 330 are selectively used when inspecting module internal components such as resistors, capacitors, and diodes.

On the other hand, the front of the inspection body 100 is provided with a load selection change unit 400 for selecting and adjusting the load applied to the module during the module inspection. The inspection body 100 according to the present invention is to inspect the module in the stopped state, it is possible to adjust the voltage in various ways through the load selection change unit 400 to enable a full inspection.

The load selection changing unit 400 includes a variable DC / AC 1,2 selection switch 410 for enabling the use of DC or AC power in the selected direction, and a variable DC for displaying the voltages of the variable DC1, 2 / AC 1,2. / AC 1,2 voltmeter 420, and the variable DC / AC 1,2 voltage regulator 440 to adjust the variable DC1,2 / AC1,2 voltage.

The variable DC / AC 1,2 selection switches 410 are provided with a switch for selecting a variable DC1 and a variable AC1 and a switch for selecting a variable DC2 and a variable AC2 from side to side. A switch for selecting the variable DC1 and the variable AC1 switches the voltage by moving the position up and down.

The variable DC / AC 1,2 voltmeter 420 displays the voltage selected by the variable DC / AC 1,2 selection switch 410. On one side of the switch for selecting the variable DC1 and the variable AC1, a voltage indicator for displaying the variable DC1 and the variable AC1 is provided up and down, respectively. In addition, a voltage display device displaying the variable DC2 and the variable AC2 is provided on one side of the switch for selecting the variable DC2 and the variable AC2. Accordingly, the variable DC / AC 1,2 voltmeter 420 is provided with a total of four voltage indicators, respectively up, down, left and right.

In addition, the load selection changing unit 400 220/440 selection switch for moving up and down between the 220 position for supplying a variable voltage up to AC, DC 0 ~ 200V and the 440 position for supplying a variable voltage up to DC 0 ~ 440V ( 430), and the indicator light 120 is turned on when the DC74V power is normally supplied, and the DC74V / 68V selection terminal 450 which can measure the DC74V power using the banana jack and enables the use of the DC 74V power for external inspection. And a variable AC1,2 / DC1,2 banana jack 460 that selects use of variable AC1,2 / DC1,2.

The DC74V / 68V selection terminal 450 is provided in the upper region of the measured voltage / current display unit 500. DC74V selector and DC68V selector are provided on the left and right respectively.

The operator adjusts a plurality of switches of the load selection changer 400 and adjusts the pressure value to suit each module to be inspected.

On the other hand, one side of the test body 100 is provided with a measured voltage / current display unit 500 to display the measured voltage value and the current value by inspecting through the module inspection unit 600, respectively.

The module inspection unit 600 inspects the performance of the module A mounted on the mounting unit 300 by the operator. The module inspection unit 600 according to a preferred embodiment of the present invention includes a module inspection unit capable of inspecting a total of 16 modules. Each module inspection unit includes a module inspection circuit capable of inspecting the corresponding module, and is connected by the relay unit 700 to form an input / output circuit of the module. The operator may arbitrarily adjust the input signal and the feedback signal through the input unit 200 to inspect the internal components of the module through the module inspection unit 600.

The module inspection unit 600 according to the present invention includes a voltage regulator module unit 610 having an inspection circuit capable of inspecting a voltage regulator module, and an inspection that can inspect an excitation limit module. The excitation limiting module portion 615 having the circuit, the feedback characteristic module portion 620 having the inspection circuit capable of inspecting the feedback performance module, and the generator voltage module can be inspected. Inspecting the generator voltage regulation module unit 625, the generator excitation adjustment module unit 630 having an inspection circuit capable of inspecting the generator exitation module, and the rate control module. A ratio control module unit 635 having an inspection circuit capable of doing so, a sensor module unit 640 having an inspection circuit capable of inspecting a sensor module, a reference regulator and a throttle response module To inspect A throttle response module unit 645 having an inspection circuit, a salsa module unit 650 having an inspection circuit capable of inspecting a sanding module, and a wheel overspeed module Inspection of the wheel overspeed module unit 655 having an inspection circuit, the wheel idle module unit 660 having an inspection circuit capable of inspecting a wheel slip control module, and a dynamic air module. A mixed braking module unit 665 having a test circuit capable of inspecting, a power generation braking protection module unit 670 having a test circuit capable of inspecting a dynamic brake protective module, and a power generation braking adjusting module ( A power generation brake adjustment module unit 675 having an inspection circuit capable of inspecting a dynamic brake regulator module, a transition module unit 680 capable of inspecting a transition control module, and an alarm module. Includes an alarm module 685 capable of inspecting Can.

The relay unit 700 connects the inspection circuits to configure the input / output circuit.

The control unit 800 connects the inspection circuits of the module inspection unit 600 in response to input signals input by the operator through the various input switches of the input unit 200 and the load selection change unit 400 provided in the inspection body 100. Configure the input / output circuit. The controller 800 controls the components such that the module is inspected by the configured test circuit and the result is displayed on the indicator 120 and the measured voltage / current display unit 500.

FIG. 6A is a circuit diagram schematically showing a circuit diagram of the entire configuration of the diesel locomotive control module inspecting apparatus 1 according to the present invention, and FIG. 6B is an exemplary diagram showing a circuit diagram of the module selection switch 220. 6C to 6Q are exemplary diagrams illustrating an inspection circuit of each module unit 610 to 685 according to the present invention. 6R is an exemplary diagram showing the configuration of input terminals of the diesel locomotive control module inspection apparatus 1 of the present invention, and FIG. 6S is an exemplary diagram showing the configuration of the relay unit 700. As shown in FIG.

The inspection process of the diesel locomotive control module inspection device 1 according to the present invention having such a configuration will be described with reference to FIGS. 7 and 8.

For convenience of explanation, inspecting the voltage regulator module A will be described as an example.

First, the operator checks whether the state of the various switches (module selection, power supply, variable voltage regulator) of the input unit 200 is in the initialization state. Then, the power button 250 is turned on to operate the inspection body 100.

The operator selects the voltage adjustment module selection switch of the module selection switch 220 to the on position, and checks whether the corresponding indicator 120 lights up. Then, the voltage regulator module (A) is inserted into the mounting portion 300 as shown in Figure 7 and mounted in the module mounting slot (310).

Then, the variable DC / AC1, 2 selector switch 410 is switched to the variable DC / AC1 position. When the variable DC / AC1 voltage regulator 440 is rotated clockwise to increase the voltage to 32 to 37V, the SR relay of the relay 700 is picked up. At this time, when the SR relay is picked up, a certain sound is generated.

While increasing the variable DC1 voltage to 74 ± 2V with the variable DC1 voltage regulator 440, the current of the measuring ammeter 500 rises to 132mA, and when the module basic setting value is 74 ± 2V, the measuring ammeter 500 is 0mA. Is down.

Here, when the individual components of the voltage adjustment module (A) to check the PCB state by measuring the voltage by connecting the module to the 14 pin dedicated connector 330 on the lower left.

On the other hand, as another example, a case of examining the track characteristic module will be described. In this case, it is also confirmed whether various input switches are initialized and the power button 250 is turned on. Select the track characteristic module selection switch from the module selection switch 220 to the on position and check whether the corresponding indicator is lit.

Then, the track characteristic module is mounted in the module mounting slot 310, and the variable DC / AC2 selection switch 410 is switched to the DC2 position. When the variable DC2 voltage regulator 440 is rotated clockwise to increase the voltage by 25V, 8.6V and 0mA are displayed in the measured voltage / current display unit 500 at the upper left.

Then, the variable DC / AC 1 selection switch 410 is switched to DC1. When the voltage rises to 14V with the variable DC1 voltage regulator, 11.9V and 13.2mA are displayed on the measured voltage / current display unit 500.

In addition, when the voltage rises to 37V with the variable DC2 voltage regulator 440, 11.9V and 0mA are displayed in the measurement voltage / current display unit 500.

After the voltage is lowered to 0V with the variable DC1 voltage regulator 440 and turned off, the variable DC2 voltage is increased to 50V to confirm that 17.4V is displayed on the measurement voltmeter.

Then, the PCB is checked to verify the component performance of the tracked module.

In this way you can check all 16 different types of modules.

Here, the diesel locomotive control module inspection apparatus according to the present invention includes an inspection circuit for inspecting 16 different modules, but may be provided with another type of module inspection circuit in some cases.

As described above, the diesel locomotive control module inspection apparatus according to the present invention has an advantage in that the functional circuits of all kinds of modules can be automatically configured for each inspection circuit compared with the conventional method using the multi-tester. In addition, the module mounting portion is provided as one, but by selecting the module-specific selection switch is easy to check the module can be used easily by inexperienced workers.

In addition, a separate 14-pin, 28-pin jig device is provided to inspect each part inside the module. Accordingly, it is possible to check the function of parts in case of failure of the module, so that the module can be regenerated, and if it is commercialized and expanded and distributed, it may be possible to reduce the actual cost and supply cost.

In particular, it is possible to repair the parts by using the performance test function of the components in the module, thereby preventing the failure of the module in advance by regenerating the module and checking the function.

The embodiment of the diesel locomotive inspection apparatus of the present invention described above is merely exemplary, and those skilled in the art to which the present invention pertains can make various modifications and other equivalent embodiments therefrom. You will know. Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: module inspection device 100: inspection body
110: module insertion hole 120: indicator light
200: input unit 210: toggle switch
220: module selection switch 221: module selection circuit
230: push button 240: reset button
250: power button 300: mounting portion
310: module mounting slot 320: TR power supply jack
330: 14,28 pin mounting part 400: Load selection change part
410: variable DC / AC1,2 selector switch 420: variable DC / AC1,2 voltmeter
430: 220.440 selector switch 440: variable DC / AC1,2 voltage regulator
450: DC74, DC64v selection terminal 460: Variable DC / AC1,2 banana jack
500: measurement voltage / current display unit 600: module inspection unit
610: voltage regulator module 615: excitation limiting module
620: track characteristics module unit 625: generator voltage adjustment module unit
630: generator excitation adjustment module unit 635: ratio control module unit
640: sensor module unit 645: throttle response module unit
650: salsa module unit 655: vehicle bacteria speeding module unit
660: wheel processing module part 665: mixed braking module part
670: power generation braking protection module 675: power generation braking adjustment module
680: transition module unit 685: alarm module unit
700: relay 800: control unit

Claims (5)

In the diesel locomotive control module inspection device,
An inspection body provided with a module insertion hole in which the module is mounted;
A module selection switch provided on the plate surface of the inspection body to select a module to be inspected;
A module inspection unit provided inside the inspection body and having a plurality of different module inspection circuits for inspecting the performance of the module mounted in the module insertion hole;
A relay unit for selectively connecting the plurality of module inspection circuits;
And a control unit controlling the relay unit to connect the module inspection circuit selected through the module selection switch among the plurality of module inspection circuits, and controlling the module inspection circuit so that the connected module inspection circuit inspects the module. Diesel locomotive control module inspection device.
The method of claim 1,
The inspection body is a diesel locomotive control module inspection apparatus, characterized in that a plurality of input switches for adjusting the input signal and feedback signal according to the module selection.
The method of claim 1,
The inspection body is a diesel locomotive control module inspection device, characterized in that the 14-pin connector and 28-pin connector which can directly connect the module to inspect the components in the module is provided.
The method of claim 1,
Diesel locomotive control module inspection apparatus, characterized in that the front surface of the inspection body is provided with a measured voltage / current display unit for displaying the input and output values during the module inspection of the module inspection circuit.
5. The method according to any one of claims 1 to 4,
The plurality of module inspection circuit,
Voltage regulator module, excitation limiting module, track characteristic module, generator voltage regulation module, generator excitation regulation module, ratio control module, sensor module, throttle response module, salsa module, wheel overspeed module, wheel idle module, mixed braking module, power generation braking Diesel locomotive control module inspection apparatus characterized in that it is provided to inspect at least one of the protection module, the power generation brake adjustment module, the transition module and the alarm module.

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