CN218446431U - ATC test system for railway vehicle - Google Patents

Abstract

The application discloses rail vehicle ATC test system relates to rail vehicle measurement and control equipment technical field. The system comprises a connection assembly for connection with a rail vehicle; an upper computer; the ATC test box comprises a connection mother board, a control module, a power module, a sampling module and a communication module, wherein the connection mother board is arranged in the ATC test box, the control module, the power module and the sampling module are all inserted on the connection mother board, the control module is respectively connected with the sampling module, the communication module and the power module, the power module is used for providing electric power, the communication module is connected with an upper computer, and the sampling module is connected with the connecting assembly. This application embodiment is through communication module with signal transmission to the host computer, and the host computer can carry out data storage, has reduced the counter number of times, and intelligent competent.

Description

ATC test system for railway vehicle

Technical Field

The application relates to the technical field of rail vehicle measurement and control equipment, in particular to an ATC test system for a rail vehicle.

Background

A traditional ATC (Automatic Train Control) test of a subway vehicle adopts a short-circuit wire to pressurize a corresponding point position, and is complex to operate and has potential safety hazards. At present, an ATC tester adopts a toggle switch to output signals, a light emitting diode is used as a signal lamp for observation, timing is carried out through a delay relay, and frequency display is carried out through a mechanical counter.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. For this, this application provides a rail vehicle ATC test system, and the signal that will gather the module sends the host computer through communication module, and the host computer can carry out data storage, has reduced the counter number of times of use, and intelligent level is high to the operating efficiency has been improved.

The technical scheme of the embodiment of the application is as follows:

the embodiment of the application provides a rail vehicle ATC test system, the system includes:

a connection assembly for connection with a rail vehicle;

an upper computer;

the ATC test box comprises a connection mother board, a control module, a power module, a sampling module and a communication module, wherein the connection mother board is arranged in the ATC test box, the control module, the power module and the sampling module are all inserted on the connection mother board, the control module is respectively connected with the sampling module, the communication module and the power module, the power module is used for providing electric power, the communication module is connected with an upper computer, and the sampling module is connected with the connecting assembly.

According to the rail vehicle ATC test system of the embodiment of the application, at least the following technical effects are achieved: the system comprises a connecting assembly, an upper computer and an ATC test box, wherein the ATC test box comprises a connecting mother board, a control module, a power module, a sampling module and a communication module, the connecting mother board is arranged in the ATC test box, the control module, the power module and the sampling module are all plugged in the connecting mother board, the control module is respectively connected with the sampling module, the communication module and the power module, the power module is used for providing stable electric power, the communication module is used for being connected with the upper computer, the sampling module is connected with the connecting assembly, and the connecting assembly is used for being connected with a rail vehicle; the power supply module is used for supplying power, the sampling module is used for collecting voltage signals of the rail vehicle, the control module is used for transmitting the signals collected by the sampling module to the upper computer through the communication module, the upper computer can store the data, the ATC test box is controlled through the upper computer, the use times of the counter are reduced, the intelligent level is high, and the operation efficiency is improved.

According to the ATC test system of the railway vehicle provided by the embodiment of the application, the sampling module comprises a signal acquisition unit and a level conversion unit, and the control module, the level conversion unit, the signal acquisition unit and the connecting assembly are sequentially connected.

According to rail vehicle ATC test system that this application embodiment provided, level conversion unit includes optical coupling isolator, first resistance, second resistance and first electric capacity, optical coupling isolator's first port respectively with power module the one end of first resistance with the one end of first electric capacity is connected, optical coupling isolator's second port respectively with the other end and the signal input part of first resistance are connected, optical coupling isolator's third port respectively with the other end and the earth of first electric capacity are connected, optical coupling isolator's fourth port with the one end of second resistance is connected, the other end of second resistance with power module connects, optical coupling isolator's fifth port is connected with control module.

According to the rail vehicle ATC test system that this application embodiment provided, power module includes fuse, piezo-resistor, second electric capacity, thermistor, inductance, third electric capacity, fourth electric capacity, isolation stabilizer, fifth electric capacity, sixth electric capacity, seventh electric capacity, third resistance and photodiode, the one end of fuse is connected with power and input respectively, the other end of fuse respectively with one end of piezo-resistor and the one end of second electric capacity is connected, the fuse loops through thermistor with the inductance respectively with the one end of third electric capacity with the first port of isolation stabilizer is connected, the second port of isolation stabilizer respectively with the other end of piezo-resistor, the other end of second electric capacity, the one end of fourth electric capacity, output and earth are connected, the third port of isolation stabilizer respectively with the other end of third electric capacity, the one end of fifth electric capacity, the one end of sixth electric capacity, the one end of seventh electric capacity, the one end of power and the one end of third electric capacity, the other end of sixth electric capacity, the one end of seventh electric capacity, the other end of photosensitive stabilizer is connected, the other end of photosensitive resistor is connected, the other end of photosensitive stabilizer is connected with the other end of fourth electric capacity, the cathode of fourth electric capacity and the fifth electric capacity, the photodiode respectively the cathode of the fourth electric capacity, the fifth electric capacity, the fourth electric capacity.

According to the ATC test system of the rail vehicle provided by the embodiment of the application, the power supply module comprises a voltage stabilizing module, and the voltage stabilizing module is connected with the control module.

According to rail vehicle ATC test system that this application embodiment provided, the steady voltage module includes first diode, second diode, stabiliser, eighth electric capacity and ninth electric capacity, the first port of stabiliser respectively with the negative pole of first diode the negative pole and the power of second diode are connected, the second port of stabiliser respectively with the positive pole of second diode the one end of eighth electric capacity one end and the power of ninth electric capacity are connected, the third port of stabiliser respectively with the positive pole of first diode the other end of eighth electric capacity the other end of ninth electric capacity and earth are connected.

According to the ATC test system for the rail vehicle provided by the embodiment of the application, the chip model number of the signal acquisition unit is TLV2548.

According to the ATC test system for the rail vehicle provided by the embodiment of the application, the chip model of the communication module is MAX3232.

According to the ATC test system of the railway vehicle provided by the embodiment of the application, the ATC test system further comprises an indicator light module, and the indicator light module is connected with the control module.

According to the ATC test system for the rail vehicle provided by the embodiment of the application, the chip of the control module is a single chip microcomputer chip.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic block diagram of an ATC test system for a railway vehicle according to an embodiment of the present application;

fig. 2 is a schematic circuit diagram of a signal acquisition unit of an ATC testing system for a railway vehicle according to an embodiment of the present disclosure;

fig. 3 is a schematic circuit diagram of a level shift unit of an ATC testing system for a railway vehicle according to an embodiment of the present disclosure;

FIG. 4 is a schematic circuit diagram of a power module of the ATC testing system for a railway vehicle according to one embodiment of the present application;

FIG. 5 is a schematic circuit diagram of a voltage stabilizing module of the ATC testing system for the rail vehicle according to an embodiment of the present application;

FIG. 6 is a schematic circuit diagram of a communication module of the ATC testing system for a railway vehicle according to one embodiment of the present application;

fig. 7 is a schematic circuit diagram of a control module of the rail vehicle ATC testing system according to an embodiment of the present application.

Reference numerals:

the device comprises an ATC test box 100, an upper computer 200, a connection motherboard 110, a control module 120, a communication module 130, a power supply module 140, a voltage stabilizing module 141, a connection assembly 150, an indicator light module 160, a sampling module 170, a level conversion unit 171 and a signal acquisition unit 172.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different from that in the flowcharts. The terms "first," "second," "third," "fourth," "fifth," "sixth," "seventh," "eighth," "ninth," and the like in the description and in the claims and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Referring to fig. 1, the ATC test system for the rail vehicle includes a connection assembly 150, an upper computer 200, and an ATC test box 100, where the ATC test box 100 includes a connection motherboard 110, a control module 120, a power module 140, a sampling module 170, and a communication module 130, the connection motherboard 110 is disposed in the ATC test box 100, the control module 120, the power module 140, and the sampling module 170 are all plugged onto the connection motherboard 110, the control module 120 is connected to the sampling module 170, the communication module 130, and the power module 140, the power module 140 is configured to provide power, the communication module 130 is configured to be connected to the upper computer 200, the sampling module 170 is connected to the connection assembly 150, and the connection assembly 150 is configured to be connected to the rail vehicle; supply power through power module 140, sampling module 170 gathers rail vehicle's voltage signal, and control module 120 transmits the signal that sampling module 170 gathered for host computer 200 through communication module 130, and host computer 200 can save data to realize the control to ATC proof box 100 through host computer 200, reduced parts use times such as counter, intelligent level is high, thereby has improved the operating efficiency.

In an embodiment, the rail vehicle ATC test system provided by the embodiment of the application can be applied to a field debugging operation procedure of an ATC simulator function of an intercity rail transit vehicle, a multi-vehicle type communication wire core compatibility test is provided, the intercity rail vehicle can be a subway vehicle, and the rail vehicle ATC test system can frequently move between a storehouse and a vehicle. ATC proof box 100 dispels the heat to internal device through the mode that increases louvre and radiator fan, guarantees control box continuous operation's stability.

In an embodiment, the upper computer 200 may be a handheld industrial tablet computer, and the upper computer 200 may also be a high-performance common tablet computer. This application embodiment adopts and is not less than 7 inches handheld industry panel computer, and operating system has been installed to this handheld industry panel computer, has the high definition display screen to support the intellectuality, the inside component performance of handheld industry panel computer is higher, can use in the environment abominable relatively, can also accomplish dustproof, waterproof, anti-vibration and eminence fall harmless, life is longer. As shown in the following table, the upper computer 200 can display data from the ATC test box 100, store the data, check detection signals through the upper computer 200, generate test results through data storage, realize automatic calculation, reduce the workload of workers, and improve the working efficiency.

In an embodiment, as shown in fig. 7, the chip of the control module 120 is a single chip, the model of the single chip is DSPIC33EP256MC506, and the single chip is a high-performance motor control single chip, and the high-performance motor control single chip has the advantages of small size, high integration level, light weight, strong control function, single power supply, low power consumption, easy expansion, and the like.

It should be noted that the connection assembly 150 is a plug-in assembly, and includes an output signal line, an output power line, an input signal line, a connector, a small crocodile clip, and a tubular pre-insulated terminal, where the lengths of the output signal line, the output power line, and the input signal line may be 3 meters, and the cable model NH-C-WL1-2 or cables of the same specification are adopted according to the requirement, and the assembly cable meeting the requirement is adopted, which is not described herein again.

As shown in fig. 1, the sampling module 170 includes a signal acquisition unit 172 and a level conversion unit 171, the control module 120, the level conversion unit 171, the signal acquisition unit 172 and the connection assembly 150 are sequentially connected, the signal acquisition unit 172 is connected to the rail vehicle through the connection assembly 150 for acquiring signals of the rail vehicle, and the signal acquisition unit 172 can convert acquired analog signals into digital signals; the collected signals are then transmitted to the control module 120 through the level conversion unit 171. The level conversion module can realize signal isolation among all signal acquisition channels, does not interfere with each other, and increases the accuracy of signal acquisition. The collected signals comprise high-level voltage, low-level voltage, current and voltage when the equipment is switched on or switched off.

As shown in fig. 2, the signal acquisition unit 172 acquires signals through 10 rows of interfaces, a parallel circuit of a capacitor and a piezoresistor is connected in series on each line, so that an alternating current signal or a high-frequency signal can pass through, and a direct current signal or a low-frequency signal can be blocked, the chip type of the signal acquisition unit 172 is TLV2548, the signal acquisition unit is a high-performance and low-power analog-to-digital converter, and the power saving function is further enhanced through software, hardware, an automatic shutdown mode and a programmable conversion speed. The digital-to-analog converter realizes the conversion of the signals collected by the interface into digital signals.

As shown in fig. 3, the level conversion unit 171 includes an optical coupling isolator OP, a first resistor R1, a second resistor R2 and a first capacitor C1, a first port of the optical coupling isolator OP is respectively connected with the power module 140, one end of the first resistor R1 is connected with one end of the first capacitor C1, a second port of the optical coupling isolator OP is respectively connected with the other end of the first resistor R1 and the signal input end, a third port of the optical coupling isolator OP is respectively connected with the other end of the first capacitor C1 and the ground, a fourth port of the optical coupling isolator OP is connected with one end of the second resistor R2, the other end of the second resistor R2 is connected with the power module 140, and a fifth port of the optical coupling isolator OP is connected with the control module 120. The isolation among the channels of the signal acquisition unit 172 transmitting digital signals is realized by the level conversion unit 171, and the digital signals are output at rated voltage.

In one embodiment, the first resistor R1 and the second resistor R2 are physical quantities capable of acting as a barrier to current flow; the first capacitor C1 is composed of two conductors which are close to each other and a layer of non-conductive insulating medium is sandwiched between the two conductors; the first port, the second port, the third port and the fourth port are all connection interfaces.

As shown in fig. 4, the power module 140 includes a fuse F, a varistor Rd1, a second capacitor C2, a thermistor Rh, an inductor L, a third capacitor C3, a fourth capacitor C4, an isolation stabilizer IC2, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, a third resistor R3, and a photodiode, one end of the fuse F is connected to the power supply and the input terminal, the other end of the fuse F is connected to one end of the varistor Rd1 and one end of the second capacitor C2, the fuse F is connected to one end of the third capacitor C3 and the first port of the isolation stabilizer IC2 sequentially through the thermistor Rh and the inductor L, the second port of the isolation stabilizer IC2 is connected to the other end of the varistor Rd1, the other end of the second capacitor C2, one end of the fourth capacitor C4, the output terminal and the ground, the third port of the isolation stabilizer IC2 is connected to the other ends of the third capacitor C3, the fifth capacitor C5, the sixth capacitor C6, the seventh capacitor C7, the power supply, the sixth capacitor R3, the fifth capacitor C7, the fifth capacitor C3, the fifth capacitor C2, the fifth capacitor C7, the fifth capacitor C2 and the photodiode, the fourth capacitor C2 is connected to the fourth capacitor C3, the fourth capacitor C2, the fourth capacitor C3 and the fifth capacitor C2 are connected to the fourth capacitor C2. The power module 140 is provided with an isolation stabilizer IC2, and the isolation stabilizer IC2 isolates different input and output voltages in the power module 140, can convert the voltages, and plays a role in protecting the circuit. The output end can be a control module, a sampling module, a communication module and the like, and the input end can be accessed by an external power supply or a vehicle power supply.

In one embodiment, the power supply of the rail vehicle ATC test system has enough margin, the voltage fluctuation is within an acceptable range, the power supply is uniformly supplied by AC220V mains supply, and various level schemes are designed according to actual requirements, wherein the schemes comprise DC110V, DC48V, DC V and the like. The DC110V, DC48V, DC V is converted by a general high-quality switching power supply, and the rest power supplies are converted by a high-frequency DC/DC chip.

In an embodiment, the power module 140 includes a voltage stabilizing module 141, and the voltage stabilizing module 141 is connected to the control module 120, so as to output a rated voltage and avoid interference caused by voltage fluctuation.

As shown in fig. 5, the voltage stabilizing module 141 includes a first diode D1, a second diode D2, a voltage stabilizer IC1, an eighth capacitor C8 and a ninth capacitor C9, a first port of the voltage stabilizer IC1 is respectively connected to a cathode of the first diode D1, a cathode of the second diode D2 is connected to a power supply, a second port of the voltage stabilizer IC1 is respectively connected to an anode of the second diode D2, one end of the eighth capacitor C8, one end of the ninth capacitor C9 is connected to the power supply, a third port of the voltage stabilizer IC1 is respectively connected to an anode of the first diode D1, the other end of the eighth capacitor C8, the other end of the ninth capacitor C9 and the ground. The voltage stabilizing module 141 can convert 5v voltage into 3 v output, so that the devices of the circuit can work under the rated voltage of 3 v voltage to protect the circuit. The first diode D1 and the second diode D2 are semiconductor electronic devices, and have one-way conductivity, namely, when a forward voltage is applied to an anode and a cathode of the diode, the diode is conducted, and when a reverse voltage is applied to the anode and the cathode, the diode is cut off; the eighth capacitor C8 and the ninth capacitor C9 are both formed by two conductors which are close to each other and a layer of non-conductive insulating medium is sandwiched between the two conductors; the first port, the second port, the third port and the fourth port are all connection interfaces.

As shown in fig. 6, the communication module 130 has a chip model of MAX3232, the MAX3232 has 16 pins, and the low-dropout transmitter output stage is adopted, so that the communication module has a better transmission rate under a poor environment, and realizes a real RS-232 performance when the dual-charge pump is used for supplying power from a power supply of 3.0V to 5.5V. The input voltage is in the range of 3 volts to 5.5 volts, and the system is provided with a voltage stabilizing module 141 which can provide rated voltage, so that the communication module 130 has higher transmission rate. The communication module 130 may be wired to the upper computer 200 through a router, or may be wirelessly connected to the upper computer 200 through a router, and performs information transmission through a wireless communication protocol networking.

In one embodiment, the railway vehicle ATC testing system further includes an indicator light module 160, the indicator light module 160 is installed outside the ATC testing box 100, and the indicator light module 160 is connected to the control module 120. This pilot lamp module 160 can show whether ATC proof box 100 is in the fault condition, gives the suggestion of reporting an emergency and asking for help to confirm the fault situation, is favorable to the staff to detect. The indicator Light module includes a plurality of indicator lights, and the indicator lights may be Light-Emitting Diode (LED) lights, or may be other components capable of Emitting Light and playing a role of indication, which is not described herein. Each pilot lamp is evenly arranged, and is not only pleasing to the eye, and the installation is firm moreover, convenient to use.

While the preferred embodiments of the present application have been described in detail, the present application is not limited to the above embodiments, and those skilled in the art will appreciate that the present application is not limited thereto. Under the shared conditions, various equivalent modifications or substitutions can be made, and the equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A rail vehicle ATC test system, characterized by, includes:

a connection assembly for connection with a rail vehicle;

an upper computer;

the ATC test box comprises a connection mother board, a control module, a power module, a sampling module and a communication module, wherein the connection mother board is arranged in the ATC test box, the control module, the power module and the sampling module are all inserted in the connection mother board, the control module is respectively connected with the sampling module, the communication module and the power module, the power module is used for providing electric power, the communication module is connected with the upper computer, and the sampling module is connected with the connecting assembly.

2. The rail vehicle ATC test system of claim 1, wherein the sampling module comprises a signal acquisition unit and a level conversion unit, and the control module, the level conversion unit, the signal acquisition unit and the connection assembly are connected in sequence.

3. The rail vehicle ATC test system of claim 2, wherein the level conversion unit comprises an optical coupling isolator, a first resistor, a second resistor and a first capacitor, a first port of the optical coupling isolator is connected with the power module, one end of the first resistor and one end of the first capacitor respectively, a second port of the optical coupling isolator is connected with the other end of the first resistor and the signal input end respectively, a third port of the optical coupling isolator is connected with the other end of the first capacitor and the ground respectively, a fourth port of the optical coupling isolator is connected with one end of the second resistor, the other end of the second resistor is connected with the power module, and a fifth port of the optical coupling isolator is connected with the control module.

4. The rail vehicle ATC test system according to claim 1, wherein the power module comprises a fuse, a piezoresistor, a second capacitor, a thermistor, an inductor, a third capacitor, a fourth capacitor, an isolation stabilizer, a fifth capacitor, a sixth capacitor, a seventh capacitor, a third resistor and a photodiode, one end of the fuse is connected with a power supply and an input end respectively, the other end of the fuse is connected with one end of the piezoresistor and one end of the second capacitor respectively, the fuse is connected with one end of the third capacitor and the first port of the isolation stabilizer respectively through the thermistor and the inductor in sequence, the second port of the isolation stabilizer is connected with the other end of the piezoresistor, the other end of the second capacitor, one end of the fourth capacitor, an output end of the fourth capacitor and the ground respectively, the third port of the isolation stabilizer is connected with the other end of the piezoresistor, the other end of the second capacitor, the other end of the fourth capacitor, the output end of the fourth capacitor and the ground respectively, the third port of the isolation stabilizer is connected with the other end of the third capacitor, one end of the fifth capacitor, the seventh capacitor, the power supply and the other end of the photodiode, the cathode of the fourth capacitor and the cathode of the fourth capacitor are connected with the fourth capacitor respectively.

5. The rail vehicle ATC testing system of claim 1, wherein the power module includes a voltage regulation module coupled to the control module.

6. The ATC testing system for the rail vehicle according to claim 5, wherein the voltage stabilizing module comprises a first diode, a second diode, a voltage stabilizer, an eighth capacitor and a ninth capacitor, a first port of the voltage stabilizer is connected with a cathode of the first diode, a cathode of the second diode and a power supply respectively, a second port of the voltage stabilizer is connected with an anode of the second diode, one end of the eighth capacitor, one end of the ninth capacitor and the power supply respectively, and a third port of the voltage stabilizer is connected with an anode of the first diode, the other end of the eighth capacitor, the other end of the ninth capacitor and the ground respectively.

7. The rail vehicle ATC testing system of claim 2, wherein the chip model number of the signal acquisition unit is TLV2548.

8. The rail vehicle ATC testing system according to claim 1, wherein the communication module has a chip model of MAX3232.

9. The rail vehicle ATC testing system of claim 1, further comprising an indicator light module coupled with the control module.

10. The rail vehicle ATC testing system of claim 1, wherein the chip of the control module is a single-chip microcomputer chip.

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