Multifunctional pressurizing equipment for train

Abstract

The utility model provides multifunctional pressurizing equipment for a train, which belongs to the technical field of rail transit and comprises a box body and a circuit module arranged in the box body. The circuit module comprises a first conversion unit, a power supply unit, a second conversion unit, a control unit and an output unit. The direct-current output module is used for outputting direct-current stable voltage, adjustable direct-current voltage and direct-current low voltage; the train debugging platform can conveniently move among different debugging sites, meets the use requirements of different scenes, can output different voltages, and meets various requirements of train debugging and electrical equipment state verification.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rail transit technical field, especially relate to a train multifunctional pressurizing equipment. BACKGROUND

[0002] The statements in this section merely provide background information related to the utility model and do not necessarily constitute prior art.

[0003] In the production and debugging process of the train, the electrical equipment of different voltage needs to be tested and verified. At present, the power supply for the test equipment is usually obtained from the train, but this method has problems such as line crossing, power taking difficulty, power taking inaccuracy, unstable power supply, etc., which can easily lead to inaccurate experimental data. In addition, for some low-voltage equipment, such as state verification before the train is assembled, the train cannot provide power supply if it is assembled, and there is a lack of convenient power supply method.

[0004] However, the prior art such as patent application No. 201520582272.7, application date August 5, 2015, and name "mobile train maintenance power supply" utility model patent has the following technical scheme: a mobile train maintenance power supply is provided, which includes a mobile trolley, a generator, a transformer and a rectifier device placed on the mobile trolley; the generator outputs 380V alternating voltage; the transformer includes a first transformer module that transforms 380V alternating voltage into 520V alternating voltage output; the rectifier device includes a first rectifier module that rectifies 520V alternating voltage output into 600V direct current voltage output; one end of the first transformer module is connected in parallel with the 380V alternating voltage output end of the generator, and the other end is connected to one end of the first rectifier module; the other end of the first rectifier module outputs 600V direct current voltage.

[0005] The technical problem of the train maintenance power supply in the above-mentioned patent is to provide power supply for the vehicle depot or a specific single car of the train, but not for the specific electrical equipment to be detected, and the method of detecting electrical equipment from the power supply train still has the problem of inaccurate power taking; in addition, the output of the above-mentioned power supply is a relatively high voltage power supply of 380V, 520V or 600V, which cannot realize low voltage or under voltage test of electrical equipment on the train. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned problems and defects in the prior art, the utility model provides a train multifunctional pressurizing equipment, which integrates a multifunctional power supply outputting different voltages to meet the various needs of train debugging and electrical equipment state verification; the multi-layer protection mechanism automatically protects the safety of the equipment and the operator in the case of line abnormality, reducing the risk of accidents.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] A train multifunctional pressurizing equipment, comprising: a box body and a circuit module arranged in the box body;

[0009] The circuit module comprises a first conversion unit, a power supply unit, a second conversion unit, a control unit and an output unit;

[0010] The first conversion unit converts an external power supply into 110-volt direct current and outputs to the power supply unit;

[0011] The power supply unit is connected to the first output end, the second conversion unit and the I / O module respectively, and the first output end is used for connecting the 110-volt electrical equipment to be tested;

[0012] The second conversion unit is used for converting direct current into low-voltage direct current, and the second conversion unit is connected to the second output end, and the second output end is used for connecting the low-voltage electrical equipment to be tested;

[0013] The I / O module is connected to the control unit and the third output end respectively, the I / O module receives the adjustable voltage instruction of the control unit, the third output end receives the adjustable voltage instruction and outputs adjustable voltage, and is used for connecting the under-voltage test electrical equipment to be tested.

[0014] Further technical scheme, the second conversion unit is also connected to the control unit and the electronic screen, and is used for power supply for the control unit and the electronic screen.

[0015] Further technical scheme, the control unit is also connected to the switch and the power management system, the control unit is connected with the switch and is used for transmitting control instructions, the switch is also connected to the electronic screen and the audio unit, and is used for receiving the control instructions of the electronic screen and transmitting alarm information.

[0016] Further technical scheme, the power supply unit is also provided with a sensor, which is used for monitoring the temperature, current and voltage of the power supply and transmitting to the I / O module.

[0017] Further technical scheme, the I / O module is also connected to the control protection unit, and is used for overvoltage protection, short circuit protection and temperature protection.

[0018] Further technical scheme, the box body comprises a box body, a box cover, a wheel body, a pull rod, a lock catch and a plurality of power line interfaces, the wheel body is fixedly installed on the bottom surface of the box body, and comprises four universal wheels distributed on the four corners of the bottom of the box body; the telescopic pull rod is fixedly installed on the top surface of the box body; the support structure is arranged on the four corners of the back surface of the box body respectively, and is used for keeping the back surface and the ground reserved gap when the pressurizing equipment is placed horizontally.

[0019] Further technical solutions, the several power line interfaces are respectively provided with 220-volt power line interfaces, ground line interfaces on the top surface of the box body, the 110-volt DC voltage output interface is arranged on the side surface of the box body, the 24-volt DC low-voltage output interface and the 70-140-volt DC regulated voltage output interface are arranged on the bottom surface of the box body.

[0020] Further technical solutions, the interface is provided with a protective cover.

[0021] Further technical solutions, the box cover is provided with a sandwich layer for placing the power line.

[0022] Further technical solutions, the box body further comprises an operation module, the operation module is located on the opening surface of the box body, and comprises an electronic screen, a DC 110-volt output display, a DC 24-volt output display, a DC 70-140-volt output display and a DC 70-140-volt voltage regulating knob.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] The train multifunctional pressurizing equipment adopts the design similar to an industrial luggage box, has wheels, is convenient to move between different debugging sites, meets the use requirements of different scenes, and has high portability.

[0025] The equipment adopts the shell made of high-strength material to ensure the firmness of the equipment, is convenient to carry, and reduces the transportation and carrying cost.

[0026] The equipment integrates multiple function power supplies, can output different voltages, meets multiple requirements of train debugging and electrical equipment state verification, for example, 77-140 volts are used for under-voltage protection verification 110 volts are used for multi-path power supply, and 24-volt switching modules can provide power supply for low-voltage equipment in advance, and the applicability of the equipment is greatly improved.

[0027] The utility model utilizes the power supply device or the line roller as the main power source, stores energy through a large-capacity battery, does not need to rely on the power supply system of the train, can debug electrical equipment before the train is assembled, moves the electrical equipment verification node forward, reduces the debugging pressure, and improves the work efficiency.

[0028] The utility model has a multi-layer protection mechanism, including over-voltage protection, over-current protection, short-circuit protection and the like, can automatically protect the safety of the equipment and the operator under abnormal line conditions, and reduces the risk of accidents.

[0029] The reliable power management system in the utility model realizes the switching of the two use modes of plugging and unplugging, increases the flexibility and safety of use

[0030] The advantages of the additional aspects of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0031] The drawings accompanying the specification of this utility model form a part thereof, serve to provide further understanding of the utility model, and together with the description of the exemplary embodiments of the utility model and its description serve to explain the utility model, and do not constitute improper limitations on the utility model.

[0032] Figure 1 The circuit module of the train multifunctional pressurizing equipment described in the embodiment of the utility model.

[0033] Figure 2 The structure diagram of the box body of the train multifunctional pressurizing equipment described in the embodiment of the utility model.

[0034] Figure 3 The structure diagram of the operation module of the train multifunctional pressurizing equipment described in the embodiment of the utility model.

[0035] Among them, 1, the box body, 2, the box cover, 3, the wheel body, 4, the pull rod, 5, the lock catch, 101, 220V power line interface, 102, the grounding wire interface, 103, 110V DC voltage output interface, 104, 24V DC voltage output interface, 105, 70-140V DC regulated voltage output interface, 106, the support structure, 107, the electronic screen, 108, DC110V output display, 109, DC24V output display, 110, DC70-140V output display, 111, DC70-140V voltage regulating knob, 112, DC voltage 110V mode switch, 113, DC voltage 24V mode switch, 114, voltage stabilizing on-off switch, 201, the sandwich layer. DETAILED DESCRIPTION

[0036] It should be noted that the following detailed description is exemplary and is intended to provide further description of the present application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains.

[0037] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. It should be understood that when the terms "comprise" and / or "include" are used in the specification, they refer to the presence of a feature, step, operation, device, component and / or their combination.

[0038] In order to solve the mode of taking power from the train to power the test equipment exists line crossing, power taking difficulty, power taking is not accurate and power supply is not stable and other problems, the utility model discloses a train multifunctional pressurizing equipment can output different voltage, satisfy the multiple needs of train debugging and electrical equipment state verification, and the portability is high, can move between different debugging trains.

[0039] The utility model discloses a train multifunctional pressurizing equipment, including box, operation module and circuit module, wherein, the box adopts the design similar to industrial luggage, is convenient between different debugging sites moves, satisfies the use demand of different scenes.

[0040] As Figure 1 The circuit module includes an input unit, a first conversion unit, a power supply unit, a second conversion unit, a control unit and an output unit.

[0041] Specifically, the input unit includes an AC 220V power input, which is connected to an external AC power supply through a 220V power line interface 101 and a ground line interface 102 to supply power to the device.

[0042] The output unit includes a first output end, a second output end and a third output end, wherein the first output end is connected to a 110V DC voltage output interface 103 to output a DC 110V stable voltage for multi-way power supply; the second output end is connected to a 24V DC voltage output interface 104 to output a DC 24V voltage for power supply testing of low-voltage equipment; and the third output end is connected to a 70-140V DC adjustable voltage output interface 105 to output a 70-140V adjustable voltage for under-voltage protection verification.

[0043] The first conversion unit includes an AC / DC converter, which converts the AC 220V voltage of the input unit into a DC 110V voltage and outputs it to the power supply unit.

[0044] In the power supply unit, a large-capacity battery stores a DC 110V power supply, which is connected to the first output end, the second conversion unit and the I / O module, respectively. The first output end is used to connect the 110V electrical equipment to be tested; the second conversion unit is used to convert the DC power into low-voltage DC power, and the second conversion unit is connected to the second output end, which is used to connect the low-voltage electrical equipment to be tested; the I / O module is connected to the control unit and the third output end, respectively, and the I / O module receives the adjustable voltage command of the control unit; the third output end receives the adjustable voltage command and outputs the adjustable voltage, which is used to connect the under-voltage test electrical equipment to be tested.

[0045] The power supply unit is also provided with a sensor for monitoring the power supply temperature, current and voltage, and transmitting them to the I / O module.

[0046] The second conversion unit is also connected to the control unit and the electronic screen 107, for supplying power to the control unit and the electronic screen.

[0047] The control unit is also connected to the switch and the power management system, the control unit is connected to the switch for transmitting control instructions; the switch is also connected to the electronic screen and the audio unit, for receiving control instructions of the electronic screen and transmitting alarm information. The electronic screen is used to receive the operation instructions of the staff; the audio unit can be connected to a loudspeaker, for prompting low power, charging and other warning languages.

[0048] The control unit is connected to the switch through Ethernet, and is connected to the power management system through I / O interface, for transmitting power temperature, current and voltage, and is connected to the I / O module through I / O interface, for transmitting power temperature, current and voltage.

[0049] The I / O module is also connected to the control protection unit, the control protection unit includes OVP overvoltage protection chip, SCP short circuit protection chip and cooling unit, for overvoltage protection, short circuit protection and temperature protection. Overvoltage protection detects output voltage, and automatically cuts off output when the voltage exceeds the set value; short circuit protection immediately cuts off the power supply when short circuit fault occurs, to protect the line and equipment safety; the cooling unit includes a fan and a heat dissipation grid, the fan and the heat dissipation grid are located on the back of the box body, and the box body is placed horizontally to perform pressurization work, and the support structure on the four corners of the box body provides space for the cooling unit to exchange cooling air; the cooling unit receives control instructions of the I / O module, and transmits power temperature, voltage and current information.

[0050] The power management system detects the power module power through low power protection, and when the power is less than 5% and cannot output stable voltage, the device automatically cuts off the output and prompts charging. The power management system is used to realize the switching of the two use modes of plug-in and non-plug-in, and increases the flexibility and safety of use.

[0051] As Figures 2-3As shown, the box body includes a box body 1, a box cover 2, a wheel body 3, a pull rod 4, a lock catch 5 and a plurality of power line interfaces, the box body 1 is fixedly installed with the wheel body 3 on the bottom surface, including four universal wheels distributed on the four corners of the bottom of the box body 1; the box body 1 is fixedly installed with the telescopic pull rod 4 on the top surface; the box body 1 is connected with the box cover 2 through a hinge on one side and is connected through the lock catch 5 on the other side; the plurality of power line interfaces are respectively a 220V power line interface 101 and a grounding line interface 102 provided on the top surface of the box body, a 110V direct current voltage output interface 103 provided on the lock catch surface of the box body 2, the interface 103 is a 20-way line socket; the bottom surface of the box body is provided with a 24V direct current voltage output interface 104 and a 70-140V direct current regulated voltage output interface 105; protective covers are arranged at the interfaces; support structures 106 are arranged at the four corners of the back surface of the box body respectively, for keeping the back surface and the ground reserved gap when the pressure equipment is placed horizontally; the box cover 2 is provided with a sandwich layer 201 for placing the power line.

[0052] As shown in the figure, Figure 3 The operation module is located on the opening surface of the box body and includes an electronic screen 107, a DC 110V output display 108, a DC 24V output display 109, a DC 70-140V output display 110 and a DC 70-140V voltage adjusting knob 111; the electronic screen 107 includes a direct current voltage 110V mode switch 112 and a direct current voltage 24V mode switch 113, wherein there are 20 steady voltage on-off switches 114 in the direct current voltage 110V mode; the DC 110V output display 108, the DC 24V output display 109 and the DC 70-140V output display 110 are all digital voltmeters for displaying the voltage value in digital form; the DC 70-140V voltage adjusting knob 111 is connected to the control unit of the circuit module and transmits the adjustable voltage instruction.

[0053] The use method of the utility model is:

[0054] When the train electrical equipment needs 110V stable voltage pressure, open the protective cover of the 110V direct current voltage output interface 103, take out the power line in the sandwich layer 201, connect the 110V direct current voltage output interface with the electrical equipment to be pressurized, click the direct current voltage 110V mode switch 112 on the electronic screen 107, enable the DC 110V power module to supply power to the electrical equipment, click the circle on-off switch 114 to select 1 to 20-way power supply, and display the voltage value through the DC 110V output display 110.

[0055] When the train's electrical equipment requires 24V low voltage, open the protective cover of the 24V DC voltage output interface 104, take out the power cord in the interlayer 201, connect the 24V DC voltage output interface 104 to the electrical equipment to be pressurized, click the DC voltage 24V mode switch 113 on the electronic screen 107 to enable the DC24V power module to supply power to the electrical equipment, and display the voltage value through the DC24V output display 110.

[0056] When the train's electrical equipment requires 70-140V voltage, open the protective cover of the 70-140V DC adjustable voltage output interface 105, take out the power cord from the interlayer 201, connect the 70-140V DC adjustable voltage output interface 106 to the electrical equipment to be pressurized, rotate the DC 70-140V voltage adjustment knob 111 to adjust the output voltage, precisely control the 70-140V voltage output, realize undervoltage protection verification, and display the voltage value through the DC 70-140V output display 111.

[0057] This invention utilizes advanced pressurization technology to achieve outputs of different voltages. It precisely controls the output voltage from 70-140V to meet the requirements of undervoltage protection verification, and employs stable circuit designs for the 110V and 24V outputs to ensure voltage stability.

[0058] This invention features a portable industrial suitcase-style design with a high-strength outer shell, ensuring both the device's sturdiness and ease of transport. The wheels further enhance the ease and convenience of movement.

[0059] In terms of the protection mechanism of this utility model, overvoltage protection detects the output voltage and automatically cuts off the output when the voltage exceeds the set value; overcurrent protection acts quickly when the current is too high to prevent equipment damage; short circuit protection immediately cuts off the power supply when a short circuit fault occurs to protect the line and equipment safety; low battery protection detects the power module's power level and automatically cuts off the output and prompts charging when the power level is below 5% and the device cannot output a stable voltage.

[0060] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.

Claims

1. A multi-functional pressurizing device for a train, characterized by comprising: The utility model relates to a 110V / 24V / 70-140V multifunctional electrical test box, comprising: a box body and a circuit module arranged in the box body; the circuit module comprises a first conversion unit, a power supply unit, a second conversion unit, a control unit and an output unit; the first conversion unit converts an external power supply into 110V direct current and outputs to the power supply unit; the power supply unit is connected to a first output end, the second conversion unit and an I / O module respectively, and the first output end is used for connecting a 110V electrical device to be tested; the second conversion unit is used for converting direct current into low-voltage direct current, and the second conversion unit is connected to a second output end, and the second output end is used for connecting a low-voltage electrical device to be tested; the I / O module is connected to the control unit and a third output end respectively, the I / O module receives an adjustable voltage instruction of the control unit, and the third output end receives the adjustable voltage instruction and outputs an adjustable voltage for connecting an under-voltage test electrical device to be tested.

2. A multi-functional pressurizing device for a train according to claim 1, wherein the second conversion unit is also connected to the control unit and an electronic screen for supplying power to the control unit and the electronic screen.

3. The multi-functional pressurizing device for a train according to claim 1, wherein the control unit is also connected to a switch and a power management system, the control unit is connected to the switch for transmitting a control instruction, the switch is also connected to the electronic screen and an audio unit for receiving a control instruction of the electronic screen and transmitting alarm information.

4. The multi-functional pressurizing apparatus for a train according to claim 1, wherein the power supply unit is also provided with a sensor for monitoring the temperature, current and voltage of the power supply and transmitting to the I / O module.

5. The multi-functional pressurizing apparatus for a train according to claim 1, wherein the I / O module is also connected to a control protection unit for overvoltage protection, short circuit protection and temperature protection.

6. A multi-functional pressurizing device for a train according to claim 1, wherein the box body comprises a box body, a box cover, a wheel body, a pull rod, a lock catch and a plurality of power line interfaces, the wheel body is fixedly installed on the bottom surface of the box body and comprises four universal wheels distributed on the four corners of the bottom of the box body; the telescopic pull rod is fixedly installed on the top surface of the box body; support structures are arranged on the four corners of the back surface of the box body respectively for keeping a reserved gap between the back surface and the ground when the pressurizing equipment is placed horizontally.

7. A multi-functional pressurizing device for a train according to claim 6, wherein the plurality of power line interfaces comprise a 220V power line interface and a grounding line interface arranged on the top surface of the box body, a 110V direct current voltage output interface arranged on the side surface of the box body, a 24V direct current low-voltage output interface and a 70-140V direct current adjustable voltage output interface arranged on the bottom surface of the box body.

8. A multi-functional pressurizing device for a train according to claim 7, wherein the interfaces are all provided with protective covers.

9. A multi-functional pressurizing device for a train according to claim 6, wherein the box cover is provided with a sandwich layer for placing power lines.

10. A multi-functional pressurizing device for a train according to claim 1, wherein the box body further comprises an operation module located on the opening surface of the box body and comprising an electronic screen, a direct current 110V output display, a direct current 24V output display, a direct current 70-140V output display and a direct current 70-140V voltage adjustment knob.

Images