Auxiliary control panel of track detection vehicle

Abstract

The utility model discloses an auxiliary control panel of a track detection vehicle. The circuit is characterized by comprising a control unit, a current protection circuit, a DCDC to 12V circuit, a DCDC to 5V circuit, a voltage stabilizing circuit, a USB to UART module, an optocoupler module, a relay, a power supply input interface, a transponder power amplifier power supply output interface, a front and rear vehicle lamp power supply output interface, a transponder receiver power supply output interface and a capacitance detection power amplifier power supply output interface. A transponder transmitter power supply output interface, an upper computer communication interface, a detection vehicle speed measurement input interface, a slow release button input interface and an emergency brake button output interface. According to the utility model, a plurality of equipment power supplies are provided in a centralized manner, the auxiliary control board integrates multiple functions of USB communication, speed measurement, emergency brake switch output, slow release button input and the like, and after the functions are integrated, the size is small, wiring is simple, and the occupied space is small.

Description

Technical Field

[0001] The utility model relates to the technical field of track detection, in particular to an auxiliary control board of a track detection vehicle. Background Art

[0002] Track inspection vehicle, also known as track inspection vehicle, is a special vehicle used to detect the geometric parameters and unevenness of railway tracks. Its main purpose is to ensure safe, stable and comfortable driving, and to guide track maintenance and repair work. Track inspection vehicle can not only detect the basic geometric parameters of the track, such as the height, level, triangular pit, direction and track gauge of the track, but also provide a basis for a more comprehensive evaluation of the track status by measuring the vibration acceleration of the car body and axle box, the wheel-rail interaction noise, and the vertical force, horizontal force, derailment coefficient, etc. between the wheel and rail.

[0003] As an important tool to ensure the safe operation of railways, the development of track inspection vehicles has undergone a transformation from early manual inspection to mechanical inspection and then to intelligent inspection combining modern electronic and computer technologies. Modern track inspection vehicles not only improve the efficiency and accuracy of inspection, but also greatly reduce labor intensity and operating costs. With the continuous advancement of technology and the continuous expansion of market demand, track inspection vehicles will continue to develop in the direction of intelligence, high efficiency and multi-functional integration in the future.

[0004] Some track inspection vehicles have too few functions and require auxiliary control panels to expand their functions. Existing auxiliary control panels have many cables, messy wiring, and take up a lot of space. Utility Model Content

[0005] The utility model aims to remedy the defects of the prior art and provide an auxiliary control panel for a track inspection vehicle.

[0006] The utility model is realized through the following technical solutions:

[0007] A track detection vehicle auxiliary control board includes a control unit, a current protection circuit, a DCDC to 12V circuit, a DCDC to 5V circuit, a voltage stabilizing circuit, a USB to UART module, an optocoupler module, a relay, a power input interface, a transponder power amplifier power output interface, a front and rear light power output interface, a transponder receiver power output interface, a capacitor detection power amplifier power output interface, a transponder transmitter power output interface, a host computer communication interface, a detection vehicle speed measurement input interface, a slow release button input interface, and an emergency brake button output interface. The power input interface is respectively connected to the input ends of the current protection circuit, the DCDC to 12V circuit, and the DCDC to 5V circuit. The output end of the current protection circuit is respectively connected to the transponder amplifier power output interface and the front and rear light power output interface, the output end of the DCDC to 5V circuit is connected to the power input end of the control unit, the output end of the DCDC to 12V circuit is respectively connected to the transponder receiver power output interface, the capacitor detection amplifier power output interface and the input end of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit is connected to the transponder transmitter power output interface, the control unit is connected to the host computer communication interface through the USB to UART module, the detection vehicle speed measurement input interface is connected to the control unit through the optical coupler module, the release button input interface is connected to the control unit, and the control unit is connected to the emergency brake button output interface through a relay.

[0008] The power input interface is connected to an external power source to provide a 48V 6A power supply to the control unit.

[0009] The voltage stabilizing circuit stabilizes the voltage to 8V.

[0010] The transponder amplifier power output interface provides a 48V power output for the transponder amplifier of the track inspection vehicle; the front and rear light power output interface provides a 48V power output for the front and rear light power of the track inspection vehicle.

[0011] The utility model has the advantages that the utility model centrally provides power for multiple devices and is an auxiliary control board integrating multiple functions such as USB communication, speed measurement, emergency brake switch output and slow release button input. After the functions are integrated, the volume is small, the wiring is simple, and the space occupied is small. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a block diagram of the working principle of the utility model;

[0013] Figure 2 This is a control unit and its peripheral circuit diagram of the utility model;

[0014] Figure 3 This is a circuit diagram of the connection between the relay and the emergency brake button output interface of the utility model;

[0015] Figure 4This is a circuit diagram of the connection between the speed measuring input interface and the speed measuring wheel of the detection vehicle of the utility model;

[0016] Figure 5 This is the circuit diagram of the USB to UART module of the utility model;

[0017] Figure 6 This is the upper computer connection circuit diagram of the utility model;

[0018] Figure 7 This is a circuit diagram of the connection between the current protection circuit of the utility model and the power output interface of the transponder power amplifier;

[0019] Figure 8 This is a circuit diagram of the connection between the current protection circuit of the utility model and the power output interface of the front and rear lights;

[0020] Fig. 9 This is a circuit diagram of connecting the DCDC to 12V circuit of the utility model with the transponder receiver power output interface and the capacitor detection amplifier power output interface;

[0021] Fig.10 This is a circuit diagram for connecting the voltage stabilizing circuit of the utility model with the power output interface of the transponder transmitter;

[0022] Fig.11 This is a circuit diagram of the connection between the power input interface and the control unit of the utility model. DETAILED DESCRIPTION

[0023] like Figure 1As shown, a track detection vehicle auxiliary control board includes a control unit 1, a current protection circuit 2, a DCDC to 12V circuit 3, a DCDC to 5V circuit 4, a voltage stabilizing circuit 5, a USB to UART module 6, an optical coupling module 7, a relay 8, a power input interface 9, a transponder power amplifier power output interface 10, a front and rear light power output interface 11, a transponder receiver power output interface 12, a capacitor detection power amplifier power output interface 13, a transponder transmitter power output interface 14, a host computer communication interface 15, a detection vehicle speed measurement input interface 16, a slow release button input interface 17, and an emergency brake button output interface 18. The power input interface 9 is respectively connected to the input ends of the current protection circuit 2, the DCDC to 12V circuit 3, and the DCDC to 5V circuit 4. The output end of the current protection circuit 2 is respectively connected to the transponder amplifier power output interface 10 and the front and rear lamp power output interface 11, the output end of the DCDC to 5V circuit 4 is connected to the power input end of the control unit 1, the output end of the DCDC to 12V circuit 3 is respectively connected to the transponder receiver power output interface 12, the capacitor detection amplifier power output interface 13 and the input end of the voltage stabilizing circuit 5, the output end of the voltage stabilizing circuit 5 is connected to the transponder transmitter power output interface 14, the control unit 1 is connected to the host computer communication interface 15 through the USB to UART module 6, the detection vehicle speed measurement input interface 16 is connected to the control unit 1 through the optical coupling module 7, the slow release button input interface 17 is connected to the control unit 1, and the control unit 1 is connected to the emergency brake button output interface 18 through the relay 8. The connection circuit diagram is as follows Figure 2-11 shown.

[0024] The power input interface 9 is connected to an external power source to provide a 48V 6A power supply to the control unit.

[0025] The voltage stabilizing circuit 5 stabilizes the voltage to 8V.

[0026] The transponder amplifier power output interface 10 provides a 48V power output for the transponder amplifier of the track inspection vehicle; the front and rear light power output interface 11 provides a 48V power output for the front and rear light power of the track inspection vehicle.

[0027] The utility model track inspection vehicle auxiliary control panel is installed at the bottom of the track inspection vehicle driving platform, and is used to expand the functions of the inspection vehicle. There are four specific extended functions. The first is power management. The inspection vehicle adopts 48V6A power input. After power management, it can provide power for the front and rear lights, transponder amplifier, capacitor detection amplifier, transponder receiver, transponder transmitter and auxiliary control panel circuit. The second is the speed measurement of the inspection vehicle. By collecting the auxiliary wheel pulse coding data, the direction and linear speed of the vehicle are measured. The third is the emergency brake button output, which is used to output the switch value to make the inspection vehicle emergency brake when the upper computer system detects an emergency. The fourth is the slow release button, which is used to release the emergency braking state.

[0028] Power input interface 9: for auxiliary control board power input, 48V6A.

[0029] Transponder amplifier power output interface 10: Provides 48V power output for the transponder amplifier

[0030] Front and rear light power output interface 11: Provides 48V power output for front and rear light power

[0031] Transponder receiver power output interface 12: Provides 12V power output for the transponder receiver board

[0032] Capacitor detection amplifier power output interface 13: Provides 12V power output for the capacitor detection amplifier

[0033] Transponder transmitter power output interface 14: Provides 8V power output for the transponder signal transmitter

[0034] Host computer communication interface 15: is a USB interface used for data communication between the host computer and the inspection vehicle.

[0035] The speed measurement input interface 16 of the detection vehicle is an encoder data receiving port, which is used to receive the linear speed and direction of the detection vehicle.

[0036] Release button input interface 17: for brake release button input. When the inspection vehicle is in the braking state, this button is used to release the braking state.

[0037] Emergency brake button output interface 18: It is the emergency brake switch output. When the host computer system detects an emergency situation, the emergency brake is triggered through this interface.

Claims

1. A track inspection vehicle auxiliary control panel, characterized in that: It includes a control unit, a current protection circuit, a DCDC to 12V circuit, a DCDC to 5V circuit, a voltage stabilizing circuit, a USB to UART module, an optocoupler module, a relay, a power input interface, a transponder amplifier power output interface, a front and rear light power output interface, a transponder receiver power output interface, a capacitor detection amplifier power output interface, a transponder transmitter power output interface, a host computer communication interface, a detection vehicle speed measurement input interface, a slow release button input interface, and an emergency brake button output interface. The power input interface is respectively connected to the input ends of the current protection circuit, the DCDC to 12V circuit, and the DCDC to 5V circuit. The current protection circuit The output end is respectively connected to the transponder amplifier power output interface and the front and rear light power output interface, the output end of the DCDC to 5V circuit is connected to the power input end of the control unit, the output end of the DCDC to 12V circuit is respectively connected to the transponder receiver power output interface, the capacitor detection amplifier power output interface and the input end of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit is connected to the transponder transmitter power output interface, the control unit is connected to the host computer communication interface through the USB to UART module, the detection vehicle speed measurement input interface is connected to the control unit through the optical coupler module, the release button input interface is connected to the control unit, and the control unit is connected to the emergency brake button output interface through a relay.

2. The auxiliary control panel of a track inspection vehicle according to claim 1, characterized in that: The power input interface is connected to an external power source to provide a 48V 6A power supply to the control unit.

3. The auxiliary control panel of a track inspection vehicle according to claim 1, characterized in that: The voltage stabilizing circuit stabilizes the voltage to 8V.

4. The auxiliary control panel of a track inspection vehicle according to claim 1, characterized in that: The transponder amplifier power output interface provides a 48V power output for the transponder amplifier of the track inspection vehicle; the front and rear light power output interface provides a 48V power output for the front and rear light power of the track inspection vehicle.

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