Multi-functional debugging combination device for motor train unit maintenance

Abstract

The utility model relates to a multifunctional debugging combination device for motor train unit maintenance. The multifunctional debugging combination device comprises a main switch, a voltage-stabilized power supply module and a multifunctional data display module, the voltage-stabilized power supply module is also connected with the power supply terminal strip; the output end of the voltage-stabilized power supply module is connected to the power supply terminal strip; the power supply terminal strip is respectively connected with the adjustable power supply module and the PWM test system; the power supply terminal strip is connected in parallel with an external 24V power supply module, and then is respectively connected with the temperature sensor test module, the audible and visual alarm system and the speed sensor test module. According to the utility model, an operator can have a flexible elimination path, and a faster elimination path can be conditionally selected according to different faults. Through the combination of different functional areas, multiple functions can be realized. The method can be used for rapidly removing important and key faults of various vehicle types. And various auxiliary conditions, various auxiliary signals, a power supply, a resistance value and other parameters are received and sent out for a debugging test, so that the problem of single auxiliary tool during debugging and troubleshooting of staff is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor vehicle unit maintenance, in particular to a motor vehicle unit maintenance multifunctional debugging combined device. Background Art

[0002] During the commissioning of EMU maintenance projects, various types of faults are often encountered. There are many ways and tools to troubleshoot faults, and many types of instruments are required. At present, there is no efficient, simple and effective device to troubleshoot faults. When troubleshooting, employees need to use computers, multimeters, wires and multiple people to find faults. For example, to check whether a relay is stuck, repeated operations and measurements are required. The accuracy of the measurement results is low, which seriously affects efficiency and wastes manpower. When employees operate the test, there are no effective auxiliary quick tools, which makes the test time-consuming and labor-intensive, which restricts production efficiency to a certain extent.

[0003] The above-mentioned troubleshooting process will also have unnecessary impact on other performance of the train, resulting in low personnel utilization rate, long operation time, and quality issues cannot be effectively guaranteed. Utility Model Content

[0004] The utility model aims to solve the technical problems in the prior art and provides a multifunctional debugging combined device for repairing a motor vehicle group.

[0005] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0006] A multifunctional debugging combined device for EMU maintenance, comprising: a main switch, a voltage-stabilized power supply module, and a multifunctional data display module connected in sequence; the voltage-stabilized power supply module is also connected to a power terminal block;

[0007] The output end of the voltage-stabilized power supply module is connected to the power terminal block; the output ends of the power terminal block are respectively connected to the adjustable power supply module and the PWM test system; the power terminal block is connected in parallel to the external 24V power supply module, and then respectively connected to the temperature sensor test module, the sound and light alarm system and the speed sensor test module;

[0008] The multifunctional data display module is used to display voltage, current, power and power consumption;

[0009] The speed sensor test module is used to test the speed and display the speed value;

[0010] The temperature sensor test module is used to test the temperature and display the temperature value;

[0011] The PWM test system is used to monitor the output state of the power circuit by adjusting the pulse frequency and duty cycle;

[0012] The sound and light alarm system is used to give an alarm through sound and / or light;

[0013] The adjustable power supply module is used to measure voltages of different levels from D0 to 36V;

[0014] The voltage-stabilized power supply module is used to provide a voltage-stabilized power supply by closing a circuit breaker.

[0015] In the above technical solution, the power terminal block is DC24V.

[0016] In the above technical solution, after the power terminal block is connected in parallel with the external 24V power supply module, the output voltage is DC12V.

[0017] The utility model has the following beneficial effects:

[0018] The utility model of the multifunctional debugging combined device for EMU maintenance has a plurality of troubleshooting methods for EMU fault confirmation and test, making the troubleshooting method simpler and faster.

[0019] The utility model of the multifunctional debugging combination device for EMU maintenance can be used for EMU fault troubleshooting. It provides signal analog output (control signal, power supply, PWMI adjustable signal) for the faulty line and faulty equipment of the EMU. It can troubleshoot train faulty parts, collect analog signals (speed sensor, temperature sensor), and collect digital signals; it can provide auxiliary conditions for routine tests of EMUs, provide the required power supplies of different voltage levels, sine wave signals, real-time temperature data, humidity data, and build a chain action system (for example, detect low-voltage signals of trains, set the train low voltage below 20V to automatically disconnect to achieve power failure protection).

[0020] The utility model of the multifunctional debugging combined device for EMU maintenance can provide the operator with flexible troubleshooting methods, and can conditionally select a faster troubleshooting path for different faults; it can realize multiple functions through the combination of different functional areas; it can be used for quick troubleshooting of important and key faults of various models. At the same time, it can also provide multiple auxiliary conditions for debugging tests, and can provide the reception and transmission of multiple auxiliary signals, power supplies, resistance values ​​and other parameters, solving the problem of single auxiliary tools for employees when debugging and troubleshooting. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Figure 1 The utility model is a structural schematic diagram of the multifunctional debugging combined device for EMU maintenance.

[0023] Figure 2 It is a schematic diagram of the operating interface of the multifunctional debugging combined device for EMU maintenance of the present utility model. DETAILED DESCRIPTION

[0024] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1 As shown, the multifunctional debugging combined device for EMU maintenance of the utility model comprises: a main switch, a voltage-stabilized power supply module, and a multifunctional data display module connected in sequence; the voltage-stabilized power supply module is also connected to a power terminal block;

[0027] The output end of the voltage-stabilized power supply module is connected to the power terminal block; the output end of the power terminal block is respectively connected to the adjustable power supply module and the PWM test system; the power terminal block is connected in parallel to the external 24V power supply module, and then respectively connected to the temperature sensor test module, the sound and light alarm system and the speed sensor test module;

[0028] Multifunctional data display module, used to display voltage, current, power and power consumption;

[0029] Speed ​​sensor test module, used to test speed and display speed value;

[0030] Temperature sensor test module, used to test temperature and display temperature value;

[0031] PWM test system, used to monitor the output status of the power circuit by adjusting the pulse frequency and duty cycle;

[0032] Sound and light alarm system, used to give an alarm by sound and / or light;

[0033] Adjustable power module, used to measure voltages of different levels from D0-36V;

[0034] The voltage-stabilized power supply module is used to provide a regulated power supply by closing the circuit breaker.

[0035] The power terminal block is DC24V. After the power terminal block is connected in parallel with the external 24V power supply module, the output voltage is DC12V.

[0036] The utility model discloses a multifunctional debugging combined device for maintenance of a motor vehicle group, and the components involved include: a portable aluminum alloy password box (38*27*12.6cm), a digital display indicator light (voltage, blue), an operation interface panel (back panel white), an audible and visual buzzer alarm (AD16-22SM), a high-precision digital display temperature controller W3230, a PWM pulse number and frequency adjustable module, a test lead (banana plug), an alligator clip power cord, a copper terminal M4*36, a high-precision speed display meter module, a high-power MOS tube switching power supply (adjustable), a metal button (indicator light), an air switch (1P), a power supply module (24V5A), a programmable digital control voltage-stabilized power supply, a power meter, and a display meter module.

[0037] The operating panel is made of white PP board with a size of 33.6cm*23.6cm. The overall face design and production is carried out according to the size of each display, the number of terminals and other components.

[0038] Detailed dimensions of the components:

[0039] Display screen square holes (5)--7.5cm*4.0cm;

[0040] Binding post approximately oval hole (25 pieces) - 6cm*4.4cm (semicircle height 0.7cm + straight line height 3cm + semicircle height 0.7cm);

[0041] Single circuit breaker--4.6cm*1.8cm;

[0042] Main switch – 2cm in diameter;

[0043] Miniature voltage indicator - diameter 2.2cm;

[0044] Sound and light alarm--diameter 2.2cm.

[0045] The assembly process of the multifunctional debugging combined device for EMU maintenance of the utility model is as follows:

[0046] Insert five digital (color) display screens into the designated panel and fix them; install the circuit breaker and fix it with a glue stick; remove the fixing bolts of the voltage indicator light, main switch, and sound and light alarm, insert them and then tighten them with sealing pads and nuts; fix 25 terminals, power + is red; power - is black; PWM, test, load are green on top and yellow on the bottom.

[0047] Drill a hole on the left side of the box to install the power socket, install the voltage-stabilized power supply module (AC-DC) at the lower left side of the device and fix it with a hot-melt glue stick.

[0048] The multifunctional debugging combined device for EMU maintenance of the utility model has a wire connection process including:

[0049] Solder one side of the two wires to the N\ground wire of the main switch external socket, and use a screwdriver to connect the other side to the input position of the voltage-stabilized power supply module (fixed power supply). First connect the L wire to the upper port of the circuit breaker, and then connect the lower port of the circuit breaker to the L terminal of the power supply.

[0050] The input end of the voltage-stabilized power supply module is connected to the main switch, and the output end is connected to the DC24V power terminal block, where the black terminal wire is directly connected to the negative line of the output end. The output wires of the power terminal block are connected to the adjustable power supply module and the PWM test system respectively; then the power terminal block is connected in parallel to the external 24V power supply module to adjust the voltage DC24V to DC12V; then, it is connected to the temperature sensor test module, the sound and light alarm system and the speed sensor test module respectively.

[0051] PWM test system (PWM function area), connect the wire of the pulse signal terminal to the trigger switch drive module, connect the upper port of the external large terminal to the input terminal, and connect the lower port to the output terminal.

[0052] Temperature sensor test module (PT100 test function area), connect the black wire of the display module to the sensor terminal, and connect the wire on the terminal to the relay terminal.

[0053] Speed ​​sensor test module (speed test functional area), connect the power +, signal ground, and measurement signal on the functional module to the external terminals (black, yellow, and red) respectively.

[0054] The two interface wires of the indicator light of the multifunctional data display module (micro voltmeter) are directly connected in parallel to the terminals of the voltage-stabilized power supply. Two of the four terminals in the multifunctional data display module are connected to the load terminals, and the power input terminals are connected to the other two terminals.

[0055] like Figure 2 As shown, the multifunctional debugging combined device for EMU maintenance of the utility model is used in the test process:

[0056] Multi-function data display module: connect an external DC5V power supply to the terminal, and connect the load terminal in series with a 1K ohm resistor and a red LED. When the LED is on, the voltage, current, power, and power consumption can be seen on the display.

[0057] Speed ​​sensor test module: Introduce an external DC24V power supply, the display shows 0000, take the speed sensor and connect the red, blue and black wire harnesses to the red, yellow and black terminals of the speed signal respectively, shake the Hall element, and the display shows 0000 as the speed value.

[0058] Temperature sensor test module (PT100 test function area): DC12V voltage is introduced externally, and the display shows the red LLL and blue set temperature value. The single SET small digital tube flashes, press the up and down keys to set the temperature, press the standby key to save the setting, and press SET to reset the setting.

[0059] PWM test system: an external DC24V power supply is introduced into the module and terminal input end. The pulse frequency (1Hz~100Hz) and duty cycle (value range 0~100%) can be adjusted by the + and - buttons respectively to monitor the output status of the power circuit; when testing, it is adjusted to 1Hz, an alarm is connected in parallel to the output end, and the alarm will sound intermittently.

[0060] Adjustable power supply module: Connect the DC36V voltage to the input end, set the multimeter to the DC block, insert the red and black test leads into the power terminals respectively, and measure different levels of voltage from D0-36V by adjusting the knob.

[0061] Voltage-stabilized power supply module and sound and light alarm system: insert the external AC220V plug, close the circuit breaker, press the power switch, the button indicator light turns on, and the voltmeter displays the current voltage value.

[0062] The utility model of the multifunctional debugging combined device for EMU maintenance has a plurality of troubleshooting methods for EMU fault confirmation and test, making the troubleshooting method simpler and faster.

[0063] The utility model of the multifunctional debugging combination device for EMU maintenance can be used for EMU fault troubleshooting. It provides signal analog output (control signal, power supply, PWMI adjustable signal) for the faulty line and faulty equipment of the EMU. It can troubleshoot train faulty parts, collect analog signals (speed sensor, temperature sensor), and collect digital signals; it can provide auxiliary conditions for routine tests of EMUs, provide the required power supplies of different voltage levels, sine wave signals, real-time temperature data, humidity data, and build a chain action system (for example, detect low-voltage signals of trains, set the train low voltage below 20V to automatically disconnect to achieve power failure protection).

[0064] The utility model of the multifunctional debugging combined device for EMU maintenance can provide the operator with flexible troubleshooting methods, and can conditionally select a faster troubleshooting path for different faults; it can realize multiple functions through the combination of different functional areas; it can be used for quick troubleshooting of important and key faults of various models. At the same time, it can also provide multiple auxiliary conditions for debugging tests, and can provide the reception and transmission of multiple auxiliary signals, power supplies, resistance values ​​and other parameters, solving the problem of single auxiliary tools for employees when debugging and troubleshooting.

[0065] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A multifunctional debugging combined device for EMU maintenance, characterized in that: It includes: a main switch, a voltage-stabilized power supply module, and a multifunctional data display module connected in sequence; the voltage-stabilized power supply module is also connected to a power terminal block; The output end of the voltage-stabilized power supply module is connected to the power terminal block; the output ends of the power terminal block are respectively connected to the adjustable power supply module and the PWM test system; the power terminal block is connected in parallel to the external 24V power supply module, and then respectively connected to the temperature sensor test module, the sound and light alarm system and the speed sensor test module; The multifunctional data display module is used to display voltage, current, power and power consumption; The speed sensor test module is used to test the speed and display the speed value; The temperature sensor test module is used to test the temperature and display the temperature value; The PWM test system is used to monitor the output state of the power circuit by adjusting the pulse frequency and duty cycle; The sound and light alarm system is used to give an alarm through sound and / or light; The adjustable power supply module is used to measure voltages of different levels from D0 to 36V; The voltage-stabilized power supply module is used to provide a voltage-stabilized power supply by closing a circuit breaker.

2. The multifunctional debugging combined device for EMU maintenance according to claim 1 is characterized in that: The power terminal block is DC24V.

3. The multifunctional debugging combined device for EMU maintenance according to claim 1 is characterized in that: After the power terminal block is connected in parallel with the external 24V power supply module, the output voltage is DC12V.

Images