DCL-32 tamping wagon Siemens PLC fault diagnosis simulation device

Abstract

The utility model discloses a DCL-32 tamping wagon Siemens PLC fault diagnosis simulation device, which is used for solving the problem of lack of special diagnosis simulation equipment. A backboard of the device is divided into an all-in-one machine configuration area, an electrical element configuration area and an air pump and electromagnetic valve configuration area from top to bottom, and a remote communication module, a switch, a 1200 PLC module, an SMART200 module, a distance simulation air cylinder, a pull rope encoder, a locking air cylinder, a stroke limiting switch and a proximity switch are fixedly installed in the electrical element configuration area. Wherein the distance simulation air cylinder is mechanically matched with the pull rope encoder, and a pull rope of the pull rope encoder is fixedly connected with the distance simulation air cylinder to simulate stretching and retracting actions of a tamping wagon simulation air cylinder locking mechanism. The device can help technicians to simulate and rapidly master the generation, principle and process of tamping wagon PLC faults, visually learn possible fault phenomena of the tamping wagon on site and timely judge fault causes, and the emergency handling capacity of the technicians is rapidly improved.

Description

Technical Field

[0001] The present technology relates to a fault diagnosis simulation system, in particular to a DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation system, and belongs to the field of innovative technology for large-scale railway maintenance machinery. Background Art

[0002] DCL-32 tamping machine is an important large-scale mechanical equipment in railway maintenance work. Due to its high degree of electromechanical integration, it is equipped with Siemens S7 series control system. In actual work, the learning of this equipment is still limited to text understanding and graphic explanation, and there is a lack of practical operation devices, which makes the training of technicians backward and cannot meet the training needs. Summary of the invention

[0003] In order to solve the deficiencies of the prior art, the utility model provides a DCL-32 tamping car Siemens PLC fault diagnosis simulation device. Through the development of the device, it is used to solve the problem of lack of dedicated DCL-32 tamping car Siemens PLC fault diagnosis and simulation equipment.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device, the back panel of the device is divided from top to bottom into an integrated machine configuration area, an electrical component configuration area, and an air pump and solenoid valve configuration area, characterized in that: the integrated machine is fixed in the integrated machine configuration area; a remote communication module, a switch, a 1200 PLC module, a SMART200 module, a distance simulation cylinder, a draw wire encoder, a locking cylinder I, a locking cylinder II, a locking cylinder III, a locking cylinder IV, a travel limit switch, a proximity switch I, a proximity switch II and a proximity switch III are fixedly installed in the electrical component configuration area, wherein the integrated machine, the remote communication module, the 1200 PLC module and the SMART200 module are connected to the switch via a network cable respectively; the SMART200 module is electrically connected to the draw wire encoder, the travel limit switch, the proximity switch I, the proximity switch II and the proximity switch III;

[0006] The distance simulation cylinder is mechanically matched with the draw rope encoder, and the draw rope of the draw rope encoder is fixedly connected to the outer end plate of the piston rod of the distance simulation cylinder, simulating the extension and retraction action of the locking mechanism of the simulation cylinder of the tamping vehicle;

[0007] A travel limit switch is arranged on the top of the piston rod of the locking cylinder I to simulate the lifting and lowering measuring trolley action in the tamping vehicle;

[0008] A proximity switch I is provided on the top of the piston rod of the locking cylinder II to simulate whether the locking and unlocking tamping device in the tamping vehicle is in place;

[0009] A proximity switch II is provided on the top of the piston rod of the locking cylinder III to simulate whether the locking and unlocking action of the tamping trolley in the tamping trolley is in place;

[0010] A proximity switch III is provided on the top of the piston rod of the locking cylinder IV to simulate the locking and unlocking of the tamping vehicle and measure whether the movement of the trolley is in place;

[0011] The air pump, pressure gauge and solenoid valve are fixedly installed in the air pump and solenoid valve configuration area and control the pneumatic actions of the locking cylinder I, locking cylinder II, locking cylinder III and locking cylinder IV.

[0012] A further solution is to use a terminal block to make transition connections between the travel limit switch, proximity switch I, proximity switch II, proximity switch III and the SMART200 module.

[0013] For a further solution selection, the solenoid valve and the cylinder are used in pairs.

[0014] For further scheme selection, the number of input and output of the 1200 PLC module is ≥ 8.

[0015] According to a further solution selection, the number of input and output of the SMART200 module is ≥ 8.

[0016] According to a further solution selection, the sensing distance of the wire encoder is 4 mm.

[0017] According to a further solution, the cylinder strokes of the locking cylinder II, locking cylinder III and locking cylinder IV are 30 mm.

[0018] In a further solution selection, the all-in-one machine is a tablet computer.

[0019] The beneficial effects of the utility model are:

[0020] Through this technologically innovative and practical DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device, technicians can simulate and quickly grasp the generation, principle and process of DCL-32 tamping vehicle Siemens PLC faults, intuitively learn the possible fault phenomena of DCL-32 tamping vehicle on site and promptly determine the cause of the fault, and quickly improve the emergency response capabilities of technicians. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is the structural diagram of the Siemens PLC simulation device for the DCL-32 tamping vehicle.

[0022] Figure 2 It is the screen display of the all-in-one machine.

[0023] Figure 3This is the power connection diagram for the switching power supply.

[0024] Figure 4 The network interface of the switch.

[0025] Figure 5 This is the connection diagram of the SMART200 module.

[0026] Figure 6 This is the connection diagram for the 1200 PLC module.

[0027] Figure 7 This is a network connection diagram of the switch.

[0028] In the figure:

[0029] 10 back panel, 11 integrated machine configuration area, 12 electrical component configuration area, 13 air pump and solenoid valve configuration area, 14 switch power supply;

[0030] 20 all-in-one machine,

[0031] 30 remote communication modules,

[0032] 40 switches,

[0033] 50 1200PLC modules,

[0034] 60 SMART200 modules,

[0035] 71 distance simulation cylinder, 72 wire encoder,

[0036] 81 locking cylinder Ⅰ, 82 locking cylinder Ⅱ, 83 locking cylinder Ⅲ, 84 locking cylinder Ⅳ, 85 air pump, 86 pressure gauge, 87 solenoid valve,

[0037] 811 travel limit switch, 821 proximity switch I, 831 proximity switch II, 841 proximity switch III,. DETAILED DESCRIPTION

[0038] The DCL-32 tamping car Siemens PLC simulation device consists of a backplane, an all-in-one machine, a switching power supply, a remote communication module, a switch, a 1200 PLC module, a SMART200 module, a distance simulation cylinder, a locking cylinder, a solenoid valve, a wire encoder, an air pump, etc. Figure 1 shown.

[0039] The back plate 10 is a grid plate for mounting the above-mentioned electrical functional components. The back plate is surrounded by aluminum alloy profiles to form a supporting frame.

[0040] The back plate 10 is divided into three areas from top to bottom, namely, the top is the integrated machine configuration area 11, the bottom is the air pump and solenoid valve configuration area 13, and the middle is the electrical component configuration area 12.

[0041] The integrated machine 20 is used to monitor and control all components and to display the control status. The screen display of the integrated machine is shown in Figure 2. Figure 2 The all-in-one machine can be implemented in the form of a tablet computer, which has a touch operation function and can simplify input and output.

[0042] The switch power supply 14 is used to supply power to the simulation platform equipment. The power supply connection is as follows: Figure 3 As shown, the Figure 3 As shown in the circuit diagram, combined with Figure 1 After the AC power passes through the main switch, it is divided into three routes, which respectively control the socket, control the 24V power supply and control the SMART200 module.

[0043] The remote communication module 30 is directly electrically connected to the switch 40 and is used to upload data to the cloud, which is convenient for viewing on mobile phones and PCs. The operating status data is uploaded to the cloud by the remote communication module for easy viewing. The switch 40 makes the data interaction of the stable vehicle simulation system easier. System information, operations, etc. can all realize remote transmission of PLC data. After logging in with a username and password on the computer and mobile phone, the operating data of the PLC can be remotely monitored to guide fault handling.

[0044] The switch 40 is used for connecting the collection point via network cables. The integrated machine (PC), remote communication module, 1200 PLC module (CPU1212), and SMART200 module (CPUST20) are connected to the switch via network cables. The network connection is as follows: Figure 4 and Figure 7 As shown, data transmission and exchange are realized.

[0045] 1200 PLC module 50 is the centralized controller of the vehicle, the core of which is CPU 1212, which is electrically connected to the switch and serves as the general control module of the simulation system. It plays the role of statistically collating data in the entire system, controls the equipment to run the simulation, and enables the equipment to run normally when the conditions are met;

[0046] The SMART200 module 60, whose core is CPUST20, is electrically connected to the switch and exchanges data with the 1200PLC module via Siemens S7 communication.

[0047] The distance simulation cylinder 71 is fixed on the back plate in a horizontal state to simulate the extension and retraction action of the locking mechanism of the simulated cylinder of the tamping vehicle. The supporting one is the draw rope encoder 72, which is used in pairs. The installation and action process is to fix the draw rope of the draw rope encoder 72 to the outer end plate of the piston rod of the distance simulation cylinder 71, that is, the piston drives the above-mentioned draw rope action, and at the same time, the draw rope encoder 72 and the distance simulation cylinder are fixed on the back plate 10, wherein the draw rope encoder is to install a spring-like draw rope on the encoder to measure the displacement. The draw rope encoder is also called a draw rope displacement sensor, and its working principle is to convert mechanical motion into an electrical signal, and the displacement, direction or speed of the moving object can be obtained by measuring the output signal. When we operate the draw rope encoder, we install the draw rope displacement sensor on the back plate to ensure that the draw rope can be aligned with the motion axis of the distance simulation cylinder when performing linear motion. Then when the distance simulation cylinder motion occurs, the draw rope of the draw rope encoder can be freely extended and contracted. The threaded hub rotates the precision rotary sensor, which outputs an electrical signal proportional to the distance the rope moves. The output signal can be measured to obtain the displacement, direction or speed of the piston rod of the distance simulation cylinder 71, which is used to simulate the extension and retraction of the locking mechanism of the tamping vehicle simulation cylinder.

[0048] The locking cylinder is used to simulate the locking mechanisms of the tamping vehicle, and is fixed vertically on the back plate. There are four locking cylinders, which are used to simulate the locking and unlocking of the tamping device, the locking and unlocking of the tamping trolley, the locking and unlocking of the measuring trolley, and the lifting and lowering of the measuring trolley. For easy distinction, the four locking cylinders are respectively marked as locking cylinder I 81, locking cylinder II 82, locking cylinder III 83, and locking cylinder IV 84. A travel limit switch 811 is provided on the top of the piston rod of one of the locking cylinders I 81. The travel limit switch is a commonly used low-current master electrical appliance, and is used in combination with the above-mentioned locking cylinder I and fixed on the back plate. The travel limit switch 811 is triggered by the collision caused by the extension of the piston rod of the locking cylinder I. After the triggering, the PLC first sends a command and controls the solenoid valve to close or reversely inflate, so that the locking cylinder stops suddenly or returns automatically. The assembly relationship between the locking cylinder I and the travel limit switch is shown in the figure. Figure 1 As shown, it simulates the action of lifting and lowering the measuring trolley. In addition, a proximity switch I, II, and III are respectively set on the top of the piston rods of the remaining three locking cylinders II, III, and IV. That is, the locking cylinder II 82 is paired with the proximity switch I 821, the locking cylinder III 83 is paired with the proximity switch II 831, and the locking cylinder IV 84 is paired with the proximity switch III 841, which are used to simulate whether the actions of locking and unlocking the tamping device, locking and unlocking the tamping trolley, and locking and unlocking the measuring trolley are in place.

[0049] That is, a travel limit switch 811 is matched with the top of the piston rod of the locking cylinder I 81 to simulate the lifting and lowering measurement trolley action of the tamping vehicle;

[0050] A proximity switch I821 is provided on the top of the piston rod of the locking cylinder II82 to simulate whether the locking and unlocking action of the tamping device is in place;

[0051] A proximity switch II 831 is provided on the top of the piston rod of the locking cylinder III 83 to simulate whether the action of locking and unlocking the tamping trolley is in place;

[0052] A proximity switch III841 is matched with the top of the piston rod of the locking cylinder IV84 to simulate whether the locking and unlocking action of the measuring trolley is in place.

[0053] The above-mentioned proximity switch is also called a proximity sensor. It consists of an LC high-frequency oscillator and an amplification processing circuit. When a metal object approaches the oscillating induction head that can generate an electromagnetic field, an eddy current is generated inside the object. This eddy current reacts to the proximity switch, causing the proximity switch's oscillation ability to attenuate and the parameters of the internal circuit to change, thereby identifying whether a metal object is approaching and controlling the switch to be on or off. The object that this proximity switch can detect must be a metal object.

[0054] In this embodiment, when necessary, the wiring terminal block 14 can be used to make transition connections on the wiring harness, so that the wiring is beautiful and neat.

[0055] The solenoid valve is used in combination with the cylinder. Its working principle is that when the electromagnet is energized, it will generate a certain suction force to move the valve core, thereby opening the valve and allowing the fluid to flow. When the electromagnet is de-energized, the elastic force of the spring will reset the valve core, thereby closing the valve and stopping the flow of the fluid. Figure 1 The air pump 85 is used to provide a power source for the distance simulation cylinder 71 and the locking cylinders I81, II82, III83, and IV84. Specifically, the air pump generates compressed air after being powered on, and is connected to the five cylinders through the air circuit, the pressure gauge 86, and the solenoid valve 87, respectively, and the actions of the cylinders are controlled by the solenoid valve.

[0056] The wire encoder, proximity switch and travel limit switch are used to simulate the extension and retraction of the cylinder locking mechanism, and the wire encoder, proximity switch and travel limit switch are electrically connected to the SMART200 module 60 through the terminal block. Figure 1 .

[0057] In the DCL-32 tamping car Siemens PLC simulation system, the ST20 module and CPU1212 module circuit diagram are as follows Figure 5 , Figure 6 As shown, the two modules are in parallel and electrically connected to the switch synchronously.

[0058] Siemens 1200 PLC module

[0059] Number of input and output: ≥8;

[0060] Output type: transistor type;

[0061] Input type: number;

[0062] Power supply voltage: 24V DC;

[0063] Network type: Ethernet;

[0064] Communication port type: Ethernet;

[0065] Mounting type: DIN rail.

[0066] SMART200 module

[0067] Number of input and output: ≥8;

[0068] Output type: relay type;

[0069] Input type: number;

[0070] Power supply voltage: AC 220V

[0071] Network type: Ethernet;

[0072] Communication port type: Ethernet;

[0073] Mounting type: DIN rail.

[0074] Wire draw encoder

[0075] Working voltage: 5 to 24VDC

[0076] Output signal: NPN output

[0077] Resolution: 100 P / R

[0078] Proximity switches

[0079] Power supply voltage: DC 24V

[0080] Sensing distance: 4MM

[0081] Ambient temperature: -25℃-+65℃

[0082] Limit switch

[0083] Working voltage: AC 220V DC 220V

[0084] Rated current: AC 0.79A DC 0.15A

[0085] cylinder

[0086] Cylinder inner diameter: 10mm

[0087] Action form: double action

[0088] Working medium: air

[0089] Operating pressure range: 0.1~1.0Mpa

[0090] Cylinder stroke: 30mm

[0091] Solenoid valve

[0092] Working voltage: 24VDC

[0093] Pressure range: 0.15-0.8MPa

[0094] Working medium: air

[0095] The embodiments described above are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements to the present invention by relevant technical personnel in the field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device, the back panel of which is divided from top to bottom into an integrated machine configuration area, an electrical component configuration area, and an air pump and solenoid valve configuration area, characterized in that: The integrated machine is fixed in the integrated machine configuration area; the remote communication module, switch, 1200 PLC module, SMART200 module, distance simulation cylinder, rope encoder, locking cylinder I, locking cylinder II, locking cylinder III, locking cylinder IV, travel limit switch, proximity switch I, proximity switch II and proximity switch III are fixedly installed in the electrical component configuration area, wherein the integrated machine, remote communication module, 1200 PLC module and SMART200 module are connected to the switch through network cables respectively; the SMART200 module is electrically connected to the rope encoder, travel limit switch, proximity switch I, proximity switch II and proximity switch III; The distance simulation cylinder is mechanically matched with the draw rope encoder, and the draw rope of the draw rope encoder is fixedly connected to the outer end plate of the piston rod of the distance simulation cylinder, simulating the extension and retraction action of the locking mechanism of the simulation cylinder of the tamping vehicle; A travel limit switch is arranged on the top of the piston rod of the locking cylinder I to simulate the lifting and lowering measuring trolley action in the tamping vehicle; A proximity switch I is provided on the top of the piston rod of the locking cylinder II to simulate whether the locking and unlocking tamping device in the tamping vehicle is in place; A proximity switch II is provided on the top of the piston rod of the locking cylinder III to simulate whether the locking and unlocking action of the tamping trolley in the tamping trolley is in place; A proximity switch III is provided on the top of the piston rod of the locking cylinder IV to simulate the locking and unlocking of the tamping vehicle and measure whether the movement of the trolley is in place; The air pump, pressure gauge and solenoid valve are fixedly installed in the air pump and solenoid valve configuration area and control the pneumatic actions of the locking cylinder I, locking cylinder II, locking cylinder III and locking cylinder IV.

2. The DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device according to claim 1 is characterized in that: Use the terminal block to make transition connections between the travel limit switch, proximity switch I, proximity switch II, proximity switch III and the SMART200 module.

3. The DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device according to claim 1 is characterized in that: The solenoid valves and cylinders are used in pairs.

4. The DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device according to claim 1 is characterized in that: The number of input and output of the 1200 PLC module is ≥ 8.

5. The DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device according to claim 1 is characterized in that: The number of input and output of the SMART200 module is ≥ 8.

6. The DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device according to claim 1 is characterized in that: The cylinder strokes of the locking cylinder II, locking cylinder III and locking cylinder IV are 30 mm.

7. The DCL-32 tamping vehicle Siemens PLC fault diagnosis simulation device according to claim 1 is characterized in that: The all-in-one machine is a tablet computer.

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