An intelligent detection vehicle for railway signal equipment

Abstract

The present invention relates to an intelligent detection trolley for railway signal equipment, comprising a power mechanism, a detection mechanism and a connecting mechanism, wherein the power mechanism comprises a locomotive, a driving module, a track wheel and a brake module, wherein the track wheel is rotatably connected to the locomotive through the driving module, and the locomotive is detachably connected to the connecting mechanism; the connecting mechanism comprises a connecting plate and a base, wherein the connecting plates are arranged at both sides of the base, a seat is arranged at the upper end of the base, and the other end of the connecting mechanism is detachably connected to the detection mechanism; the detection mechanism comprises a rear end, a driven track wheel and a bracket, wherein the bracket is arranged at both ends of the rear end, the driven track wheel is rotatably connected to the rear end, a seat is arranged on the rear end, and a detection device is arranged on the bottom surface of the rear end and the bottom surface of the bracket; the detection device is connected to a signal processing circuit. The present invention is provided with a detachably connected power mechanism, a detection mechanism and a connecting mechanism, which are convenient for getting on and off the track after being disassembled, and the signal processing circuit is arranged to synchronously detect the parameters of the rail, the compensation capacitor and the transponder, and the operation is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of railway track detection, and in particular to an intelligent detection trolley for railway signal equipment. Background Art

[0002] The "Railway Signal Equipment Intelligent Detection Cart" is a lightweight electric-driven rail vehicle, equipped with a tooling equipment for the railway signal equipment intelligent detection system. During operation, the status and parameters of railway signal equipment such as track circuits, compensation capacitors, and transponders are detected during the journey. Rails are made of metal conductive materials. In modern railway transportation, railway signals are transmitted through rails. It is necessary to detect the signal frequency on the rails, the current, voltage and power factor of the compensation capacitor, and the signal quality of the transponder. The signal quality of the transponder includes detecting whether the signal sent by the transponder is clear and accurate, whether the received signal is complete, and whether there is any interference.

[0003] Since technicians are required to work on site, most of the existing intelligent detection carts for railway signal equipment are manually operated, or move automatically with technicians. Multiple technicians walk beside the rails, which is a heavy workload. In addition, the detection cart is heavy. Before and after the operation, multiple technicians are required to lift the detection cart to get on or off the track, which is inconvenient to operate.

[0004] In addition, due to the large number of detection types, how to eliminate interference to ensure fast and accurate detection of rails, compensation capacitors and transponders is also one of the problems that need to be solved urgently. Summary of the invention

[0005] In order to solve the problems of inconvenience in using and detecting existing detection trolleys, the present invention proposes an intelligent detection trolley for railway signal equipment, which is provided with a detachably connected power mechanism, a detection mechanism and a connection mechanism, which is convenient for getting on and off the track after being disassembled. A signal processing circuit is provided to synchronously detect the parameters of the rails, compensation capacitors and transponders, and seats are provided for technicians to sit in, simulating a car driving mode, and is easy to operate.

[0006] In order to achieve the above-mentioned purpose, the present invention provides an intelligent detection trolley for railway signal equipment, including a detection device and a detection trolley, wherein the detection trolley drives the detection device to move on the rails, and the detection trolley includes a power mechanism, a detection mechanism and a connection mechanism, wherein the power mechanism includes a locomotive, a driving module, a track wheel and a brake module, wherein the track wheel is rotatably connected to the locomotive through the driving module, the locomotive is detachably connected to the connection mechanism, and a brake module is arranged at the lower part of the locomotive;

[0007] The connecting mechanism comprises a connecting plate and a base, wherein the connecting plates are arranged on both sides of the base, a seat is arranged on the upper end of the base, and the other end of the connecting mechanism is detachably connected to the detection mechanism;

[0008] The detection mechanism comprises a vehicle tail, a driven rail wheel and a bracket, wherein the bracket is disposed at both ends of the vehicle tail, the driven rail wheel is rotatably connected to the vehicle tail, a seat is disposed on the vehicle tail, and a detection device is disposed on the bottom surface of the vehicle tail and the bottom surface of the bracket;

[0009] The detection device includes a track circuit detection antenna, a compensation capacitance sensor and a transponder reading antenna. The detection device is connected to a signal processing circuit. The signal processing circuit is provided with a communication module. The signal processing circuit is connected to a host computer via the communication module.

[0010] Furthermore, a console is provided on the head of the vehicle, and the console includes a protective cover, a display screen, a speed adjustment switch, a forward and reverse switch, and a key switch. The protective cover is a hollow triangular prism structure, and the display screen, the speed adjustment switch, the forward and reverse switch, and the key switch are embedded in the protective cover;

[0011] The driving module includes a control circuit and a driving motor, the control circuit includes a controller and a driver, the input end of the controller is connected to the speed adjustment switch, the forward and reverse switch and the key switch, the output end of the controller is connected to the input end of the driver, the output end of the driver is connected to the control end of the driving motor, and the display screen is connected to the controller for communication;

[0012] A wheel axle is arranged between the two rail wheels, and the wheel axle is transmission-connected to the output shaft of the driving motor through a gear.

[0013] Further, the brake module includes a hydraulic brake, a proportional solenoid valve and a pedal switch, the output end of the pedal switch is connected to the controller, and the output end of the controller is electrically connected to the control end of the proportional solenoid valve;

[0014] The hydraulic brake is connected to a hydraulic oil tank through a valve port of a proportional solenoid valve. The brake pads of the hydraulic brake are arranged close to the wheel axle, and the working pads of the hydraulic brake contact the wheel axle.

[0015] Further, the two connecting plates are both long strip structures, and both ends of the connecting plates are provided with first connecting holes, and the corresponding connecting plates are provided with mounting grooves on the sides of the front and rear of the vehicle close to the base, and the mounting grooves are provided with second connecting holes corresponding to the first connecting holes, and the ends of the connecting plates are arranged in the mounting grooves, and latches are arranged between the connecting plates and the mounting grooves, and the connecting plates are detachably connected to the front and rear of the vehicle respectively through the latches;

[0016] The latch pin passes through the second connecting hole and the first connecting hole in sequence.

[0017] Further, the connecting plate includes a straight section and an upwardly inclined oblique section, the straight section is a rectangular plate, the oblique section includes two side plates and a transverse plate, the side plates are right-angled trapezoidal structures, the transverse plate is a square plate, the two side plates are arranged on both sides of the straight section, the transverse plate is arranged between the two side plates, the transverse plate, the two side plates and the straight section are an integrated structure, and a first connecting hole is provided on the side plate;

[0018] The bottom of the side panel contacts the bottom surface of the mounting groove, and a spacing A is set between the top surface of the side panel and the top surface of the mounting groove, and the spacing A is 0.3-1 cm;

[0019] A spacing B is provided between the horizontal plate and the side of the mounting groove, and the spacing B is 0.7-1 cm;

[0020] The connecting plate and the base are an integrated structure.

[0021] The spacing A ensures that the side panels have a movable gap, and the spacing B ensures that the friction between the cross panel and the installation groove is small, thereby achieving an anti-bumping effect.

[0022] Further, the signal processing circuit includes a first MCU chip, an interface circuit, a signal amplifying circuit and an AD circuit, the interface circuit is respectively connected to the track circuit detection antenna and a plurality of compensation capacitance sensors, the output end of the interface circuit is connected to the input end of the signal amplifying circuit, the output end of the signal amplifying circuit is connected to the input end of the AD circuit, the output end of the AD circuit is connected to the ADC pin of the first MCU chip, and the signal amplifying circuit includes a 1-0.5 times amplifying circuit, a 1.2-7 times amplifying circuit and a signal zeroing amplifying circuit;

[0023] The number of the track circuit detection antennas is 2, and the number of the compensation capacitance sensors is 4. Corresponding to the number of the track circuit detection antennas and the number of the compensation capacitance sensors, the number of the interface circuit, the signal amplification circuit and the AD circuit are all 2.

[0024] The signal processing circuit also includes a second MCU chip, a transponder antenna interface and a transponder processor, the transponder antenna interface is connected to a transponder reading antenna, the output end of the transponder antenna interface is connected to the transponder processor, and the transponder processor is connected to the second MCU chip via UART serial port communication.

[0025] The signal processing circuit further includes a third MCU chip and a speed sensor interface, wherein the speed sensor interface is connected to a speed sensor, an output end of the speed sensor interface is connected to the third MCU chip, and the speed sensor is arranged close to the driven track wheel;

[0026] The third MCU chip is also connected to a positioning module, and the positioning module includes a Beidou positioning unit;

[0027] The communication module includes an Ethernet unit, and the Ethernet unit is connected to the first MCU chip, the second MCU chip and the third MCU chip respectively.

[0028] Furthermore, a track circuit detection antenna is provided at the bottom end of the bracket, a transponder reading antenna is fixedly provided at the middle of the bottom surface of the rear of the vehicle, a plurality of compensation capacitance sensors are symmetrically provided along the position of the transponder reading antenna, the compensation capacitance sensors are fixed to the bottom surface of the rear of the vehicle, and a signal processing circuit is provided inside the rear of the vehicle;

[0029] A video recorder is arranged on the vehicle head, and the video recorder is connected to the host computer through an Ethernet unit.

[0030] Furthermore, the front of the vehicle is provided with a power box, in which a battery and a charger are provided, a charging port is opened on the power box, a charging head of the charger is arranged in the charging port, and the battery is electrically connected to a console, a drive module, a braking module, a signal processing circuit, a video recorder, a track circuit detection antenna, a compensation capacitance sensor and a transponder reading antenna.

[0031] Furthermore, the front of the vehicle is provided with a lighting lamp, and the rear of the vehicle is provided with a warning lamp, and the lighting lamp and the warning lamp are both electrically connected to the controller.

[0032] Furthermore, the seat comprises a seat cushion and a backrest, the seat cushion is rotatably connected to the backrest, a safety belt is arranged on the seat cushion, and handles are arranged on both sides of the seat cushion.

[0033] Through the above technical solution, the beneficial effects of the present invention are:

[0034] 1. The present invention realizes the driving of the track inspection trolley. A vehicle head, a driving module, a track wheel and a braking module are provided. During operation, the speed adjustment switch, the forward and reverse switch and the key switch of the control console output operation signals, and the controller controls the driving motor to rotate the wheels to realize the movement of the trolley on the rail. A braking module is provided, and the braking module is combined with the control circuit to realize the deceleration and braking of the trolley. The driving information can be viewed through the display screen. Provides a hardware basis for driving. Compared with walking and controlling the trolley under the track or letting the trolley move with the technician, the working comfort of the technician is improved, and the operation is simple, which improves the efficiency of detection.

[0035] 2. The present invention uses a connecting mechanism to connect the power mechanism and the detection mechanism, thereby increasing the length of the detection vehicle. A seat is arranged in the connecting mechanism, and a technician can sit on the seat to operate the power mechanism. Compared with the existing walking operation, the operation comfort is improved and the detection efficiency is improved.

[0036] 3. The present invention provides installation grooves on the power mechanism and the detection mechanism corresponding to the connecting plate, and provides a first connection hole and a second connection hole on the oblique section of the connecting plate and the installation groove correspondingly. The latch is inserted into the second connection hole and the first connection hole in sequence to complete the simple connection of the connecting plate, the power mechanism and the detection mechanism. A spacing is provided between the oblique section and the installation groove, and the oblique section can move slightly in the installation groove, thereby reducing the rigidity of the detection trolley, eliminating the bumping of the detection trolley on the track, and improving the detection accuracy of the detection device.

[0037] 4. In order to facilitate the signal detection of the transponder, the compensation capacitor on the rail and the rail, the present invention uses the bottom surface of the rear of the vehicle as the detection plane of the compensation capacitor sensor and the transponder reading antenna, so that it is close to the object to be tested. In addition, brackets are provided on both sides of the rear of the vehicle to facilitate the fixation of the track circuit detection antenna and to make the track circuit detection antenna close to the surface of the rail. During the detection process, a seat is provided on the rear of the vehicle, and the technician can sit on the detection cart to detect the rail without walking beside the track. Improve the comfort of the operation.

[0038] 5. The present invention sets a signal processing circuit to synchronously collect, amplify, filter and AD convert multiple detection signals of the positioning module, track circuit detection antenna, compensation capacitance sensor, speed sensor and transponder reading antenna, thereby improving the efficiency of data collection and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a structural schematic diagram of an intelligent detection trolley for railway signal equipment according to the present invention;

[0040] Figure 2 This is one of the schematic diagrams of the power mechanism structure of an intelligent detection trolley for railway signal equipment according to the present invention;

[0041] Figure 3 This is a second schematic diagram of the power mechanism structure of an intelligent detection trolley for railway signal equipment according to the present invention;

[0042] Figure 4 This is a third schematic diagram of the power mechanism structure of an intelligent detection trolley for railway signal equipment of the present invention;

[0043] Figure 5 This is a schematic diagram of the connection mechanism structure of an intelligent detection trolley for railway signal equipment of the present invention;

[0044] Figure 6 This is one of the structural schematic diagrams of a detection mechanism of an intelligent detection trolley for railway signal equipment according to the present invention;

[0045] Figure 7 This is a second structural schematic diagram of a detection mechanism of an intelligent detection vehicle for railway signal equipment according to the present invention;

[0046] Figure 8 This is a circuit schematic diagram of a power mechanism of an intelligent detection trolley for railway signal equipment according to the present invention;

[0047] Fig. 9 This is one of the circuit principle diagrams of a detection mechanism of an intelligent detection trolley for railway signal equipment of the present invention;

[0048] Fig.10 This is the second circuit schematic diagram of the detection mechanism of the intelligent detection vehicle for railway signal equipment of the present invention;

[0049] Fig.11 This is the third circuit schematic diagram of the detection mechanism of the intelligent detection trolley for railway signal equipment of the present invention.

[0050] Figure numbers: front of the vehicle 1, track wheel 2, connecting plate 3, base 4, seat 5, rear of the vehicle 6, driven track wheel 7, bracket 8, track circuit detection antenna 9, compensation capacitance sensor 10, transponder reading antenna 11, communication module 12, protective cover 13, display screen 14, speed adjustment switch 15, forward and reverse switch 16, key switch 17, axle 18, gear 19, drive motor 20, controller 21, driver 22, proportional solenoid valve 23, pedal switch 24, mounting slot 25, first MCU chip 27, interface circuit 28, signal amplification circuit 29, AD circuit 30, second MCU chip 31, transponder antenna interface 32, transponder processor 33, third MCU chip 34, speed sensor interface 35, speed sensor 36, positioning module 37, video recorder 38, power box 39, seat belt 40, handle 41, first connecting hole 42, second connecting hole 43. DETAILED DESCRIPTION

[0051] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0052] Example 1

[0053] like Figures 1 to 11 As shown, an intelligent detection trolley for railway signal equipment includes a detection device and a detection trolley. The detection trolley drives the detection device to move on the rails. The detection trolley includes a power mechanism, a detection mechanism and a connection mechanism. The power mechanism includes a locomotive 1, a driving module, a track wheel 2 and a brake module. The track wheel 2 is rotatably connected to the locomotive 1 through the driving module. The locomotive 1 is detachably connected to the connection mechanism. A brake module is arranged at the lower part of the locomotive 1.

[0054] The connecting mechanism comprises a connecting plate 3 and a base 4, wherein the connecting plate 3 is disposed on both sides of the base 4, a seat 5 is disposed on the upper end of the base 4, and the other end of the connecting mechanism is detachably connected to the detection mechanism;

[0055] The detection mechanism includes a vehicle tail 6, a driven track wheel 7 and a bracket 8, wherein the bracket 8 is disposed at both ends of the vehicle tail 6, the driven track wheel 7 is rotatably connected to the vehicle tail 6, a seat 5 is disposed on the vehicle tail 6, and a detection device is disposed on the bottom surface of the vehicle tail 6 and the bottom surface of the bracket 8;

[0056] The detection device includes a track circuit detection antenna 9, a compensation capacitance sensor 10 and a transponder reading antenna 11. The detection device is connected to a signal processing circuit. The signal processing circuit is provided with a communication module 12. The signal processing circuit is connected to a host computer via the communication module 12.

[0057] like Figure 5 As shown, the two connecting plates 3 are both long strip structures, and the two ends of the connecting plates 3 are provided with first connecting holes 42, and the corresponding connecting plates 3 are provided with mounting grooves 25 on the sides of the front and rear ends 6 close to the base 4, and the mounting grooves 25 are provided with second connecting holes 43 corresponding to the first connecting holes 42, and the ends of the connecting plates 3 are arranged in the mounting grooves 25, and the connecting plates 3 are provided with latches 26 between the connecting plates 3 and the mounting grooves 25, and the connecting plates 3 are detachably connected with the front and rear ends 1 and 6 respectively through the latches 26;

[0058] The latch pin 26 passes through the second connection hole 43 and the first connection hole 42 in sequence.

[0059] The seat 5 comprises a seat cushion and a backrest, wherein the seat cushion is rotatably connected to the backrest, a safety belt 40 is arranged on the seat cushion, and handles 41 are arranged on both sides of the seat cushion.

[0060] The connecting plate 3 includes a straight section and an upwardly inclined oblique section, the straight section is a rectangular plate, the oblique section includes two side plates and a transverse plate, the side plates are right-angled trapezoidal structures, the transverse plate is a square plate, the two side plates are arranged on both sides of the straight section, the transverse plate is arranged between the two side plates, the transverse plate, the two side plates and the straight section are an integrated structure, and a first connecting hole 42 is provided on the side plate;

[0061] The bottom of the side plate contacts the bottom surface of the mounting groove 25, and a spacing A is set between the top surface of the side plate and the top surface of the mounting groove 25, and the spacing A is 0.3-1 cm;

[0062] A spacing B is provided between the horizontal plate and the side of the mounting groove 25, and the spacing B is 0.7-1 cm;

[0063] The connecting plate 3 and the base 4 are an integrated structure.

[0064] The upper end surface of the base 4 is provided with a pad, the pad is fixed to the base, and the upper end of the pad is provided with knurling.

[0065] Generally, multiple technicians are required to perform the operation. First, the technicians lift the front and rear of the vehicle onto the track, and then lift the connecting mechanism onto the track. The oblique section of the connecting plate 3 is inserted into the installation slots 25 of the front and rear of the vehicle, so that the first connecting hole 42 and the second connecting hole 43 overlap, and the latch 26 is inserted into the first connecting hole 42 and the second connecting hole 43 in sequence, completing the assembly of the connecting mechanism, the front and rear of the vehicle.

[0066] Example 2

[0067] Based on the above embodiment 1, the operation of the power mechanism is described in this embodiment:

[0068] like Figures 2~4 As shown, a console is provided on the front of the vehicle 1, and the console includes a protective cover 13, a display screen 14, a speed regulating switch 15, a forward and reverse switch 16, and a key switch 17. The protective cover 13 is a hollow triangular prism structure, and the protective cover 13 is embedded with the display screen 14, the speed regulating switch 15, the forward and reverse switch 16, and the key switch 17;

[0069] The driving module includes a control circuit and a driving motor 20, the control circuit includes a controller 21 and a driver 22, the input end of the controller 21 is connected to the speed adjustment switch 15, the forward and reverse switch 16 and the key switch 17, the output end of the controller 21 is connected to the input end of the driver 22, the output end of the driver 22 is connected to the control end of the driving motor 20, and the display screen 14 is connected to the controller 21 for communication;

[0070] A wheel axle 18 is disposed between the two rail wheels 2 , and the wheel axle 18 is drivingly connected to an output shaft of a driving motor 20 via a gear 19 .

[0071] The brake module includes a hydraulic brake, a proportional solenoid valve 23 and a pedal switch 24, wherein the output end of the pedal switch 24 is connected to the controller 21, and the output end of the controller 21 is electrically connected to the control end of the proportional solenoid valve 23;

[0072] The hydraulic brake is connected to a hydraulic oil tank via a valve port of a proportional solenoid valve 23 , and a brake pad of the hydraulic brake is arranged close to the wheel axle 18 .

[0073] The front of the vehicle 1 is a D-shaped structure, and a groove is provided on one side of the straight section of the front of the vehicle 1 .

[0074] like Figure 8 As shown, in this embodiment, the power supply outputs DC24V and DC5V current. The controller 21 is a PLC controller, the driver 22 is a frequency converter, and the display screen 14 is an HMI module.

[0075] During operation, the technician sits on the seat 5 and fastens the seat belt 40. Insert the key into the key switch 17, turn the key to turn on the key switch 17, close the key switch 17, and power the port connected to the key switch 17 and the controller 21. The controller 21 is powered on and works, and the display screen 14 is always on. In this embodiment, the display screen 14 is used to display the gear position, vehicle speed, and driving direction. Then the gear position is selected through the speed adjustment switch 15. The speed adjustment switch 15 is a rotary switch, and the initial position is 0 gear, and the drive motor 20 is not powered. After the gear position is selected, the controller 21 uses the PWM control method to output a control signal corresponding to the gear position, and the controller 21 controls the driver 22 to power the drive motor 20.

[0076] The output shaft of the driving motor 20 is provided with a gear 19, which is a bevel gear. The gear 19 on the wheel shaft 18 is also a bevel gear, and the two bevel gears are meshed and connected. The driving motor 20 rotates to drive the wheel shaft 18 to rotate. When the wheel shaft 18 rotates, the track wheel 2 rotates, and the detection trolley moves.

[0077] When deceleration is required, the pedal switch 24 is pressed, and the pedal switch 24 outputs an electrical signal to the controller 21. The controller 21 controls the drive motor 20 to cut off the power through the driver 22. At the same time, the controller 21 controls the valve opening of the proportional solenoid valve 23 to open, and the hydraulic brake of the brake is connected to the hydraulic oil tank. The brake pad of the hydraulic brake contacts the wheel axle 18 to achieve the braking effect. The track wheel 2 stops. The pedal switch 24 outputs different electrical signals according to the different pressure levels. The controller 21 uses PWM control to control the valve opening of the proportional solenoid valve 23 to achieve smooth deceleration and braking.

[0078] When the traveling direction of the detection vehicle needs to be changed, the connection contact of the forward and reverse switch 16 is changed. The forward and reverse switch 16 is a rotary switch. When the forward and reverse switch 16 is rotated, the electrical signal received by the controller 21 changes. The controller 21 controls the drive motor 20 to reverse through the driver 22, and the detection vehicle moves in the opposite direction.

[0079] Example 3

[0080] Based on the above-mentioned embodiments 1 and 2, rail detection is described in this embodiment.

[0081] Generally, four technicians form a group. There are four seats 5, one of which drives the power mechanism and the other is responsible for viewing the test data through the host computer. The target mileage is set before the test operation. The technician drives the power mechanism to drive the connecting mechanism and the testing mechanism to travel on the track. The signal frequency on the rail, the current, voltage and power factor of the compensation capacitor, and the signal quality of the transponder are tested.

[0082] like Figure 6 and 7As shown, a track circuit detection antenna 9 is provided at the bottom end of the bracket 8, a transponder reading antenna 11 is fixedly provided in the middle of the bottom surface of the tail 6, a plurality of compensation capacitance sensors 10 are symmetrically provided along the position of the transponder reading antenna 11, the compensation capacitance sensors 10 are fixed to the bottom surface of the tail 6, and a signal processing circuit is provided inside the tail 6.

[0083] The front of the vehicle 1 is provided with a power box 39, in which a battery and a charger are provided. A charging port is provided on the power box 39, and a charging head of the charger is arranged in the charging port. The battery is electrically connected to a control console, a driving module, a braking module, a signal processing circuit, a video recorder 38, a track circuit detection antenna 9, a compensation capacitance sensor 10 and a transponder reading antenna 11.

[0084] The communication module 12 includes an Ethernet unit, and the Ethernet unit is connected to the first MCU chip 27, the second MCU chip 31 and the third MCU chip 34 respectively.

[0085] The signal frequency and current detection of the compensation capacitor on the rail include:

[0086] like Figures 9-11 As shown, the signal processing circuit includes a first MCU chip 27, an interface circuit 28, a signal amplifying circuit 29 and an AD circuit 30. The interface circuit 28 is respectively connected to the track circuit detection antenna 9 and a plurality of compensation capacitance sensors 10. The output end of the interface circuit 28 is connected to the input end of the signal amplifying circuit 29. The output end of the signal amplifying circuit 29 is connected to the input end of the AD circuit 30. The output end of the AD circuit 30 is connected to the ADC pin of the first MCU chip 27. The signal amplifying circuit 29 includes a 1-0.5 times amplifying circuit, a 1.2-7 times amplifying circuit and a signal zeroing amplifying circuit. The 1-0.5 times amplifying circuit is Fig. 9 Middle A, 1.2-7 times amplification circuit is Fig. 9 In B, the signal zeroing amplifier circuit is Fig. 9 Middle C;

[0087] In this embodiment, the first MCU chip 27 is an ARM chip, the interface circuit is 28KF2EDGR, the signal amplification circuit 29 is an OPA27GU amplifier, and the AD circuit 30 is an AD736JRZ chip.

[0088] The number of the track circuit detection antennas 9 is 2, and the number of the compensation capacitance sensors 10 is 4. Corresponding to the number of the track circuit detection antennas 9 and the number of the compensation capacitance sensors 10, the number of the interface circuit 28, the signal amplification circuit 29 and the AD circuit 30 are all 2.

[0089] When performing track circuit detection, the track circuit detection antenna 9 receives the electrical signal on the track, which is amplified, filtered and AD converted by the interface circuit 28, the signal amplification circuit 29 and the AD circuit 30, and the processed signal is transmitted to the first MCU chip 27, and then transmitted to the host computer by the first MCU chip.

[0090] Similarly, multiple compensation capacitor sensors 10 detect the compensation capacitors connected in series to the track, respectively, and transmit the current and voltage signals of the compensation capacitors to the first MCU chip 27 after amplification and AD conversion, and then transmit them outwardly by the first MCU chip 27. The power factor is calculated from the current signal and will not be described here.

[0091] The signal quality detection of the transponder includes:

[0092] The signal processing circuit also includes a second MCU chip 31, a transponder antenna interface 32 and a transponder processor 33. The transponder antenna interface 32 is connected to the transponder reading antenna 11, and the output end of the transponder antenna interface 32 is connected to the transponder processor 33. The transponder processor 33 is connected to the second MCU chip 31 via a UART serial port communication.

[0093] The second MCU chip 31 uses a STM32F765VGT6 single chip microcomputer, the transponder antenna interface 32 uses a BX-VH, and the transponder processor 33 uses a XC6SLX9 chip. The transponder antenna interface 32 and the transponder processor 33 are connected using a SP3485EN duplex transceiver.

[0094] The bottom of the detection mechanism is equivalent to installing a transponder, which detects the transponder installed between the rails. During the detection, the transponder reading antenna 11 receives the signal sent by the ground transponder, and the signal is transmitted to the transponder processor 33 through the transponder antenna interface 32 for reading, and then the detection parameters are sent to the second MCU chip 31, which is transmitted outward by the second MCU chip 31.

[0095] The technician obtains the detection parameters transmitted by the second MCU chip 31 through the host computer, and generates a waveform through the host computer to determine whether the signal sent by the transponder is clear and accurate, whether the received signal is complete and whether there is any interference.

[0096] During the detection process, in order to facilitate setting of the detection section, setting of the detection distance, and confirmation of the fault occurrence point, a speed sensor 3 and a positioning module 37 are provided.

[0097] The signal processing circuit further includes a third MCU chip 34 and a speed sensor interface 35, wherein the speed sensor interface 35 is connected to a speed sensor 36, wherein an output end of the speed sensor interface 35 is connected to the third MCU chip 34, and the speed sensor 36 is arranged close to the driven track wheel 7;

[0098] The third MCU chip 34 is also connected to a positioning module 37 , and the positioning module 37 includes a Beidou positioning unit.

[0099] In this embodiment, the third MCU chip 34 uses an ARM chip, the speed sensor interface 35 uses a KF2EDGR interface, and the Beidou positioning unit is specifically a UM980 chip. The UM980 chip is connected to the third MCU chip 34 through a B8B-XH interface.

[0100] The positioning module 37 transmits the position information to the third MCU chip 34 , and the speed sensor 36 transmits the detection parameters to the third MCU chip 34 , which are then transmitted outwardly by the third MCU chip 34 .

[0101] The vehicle head 1 is provided with a video recorder 38, and the video recorder 38 is connected to a host computer via an Ethernet unit.

[0102] In addition to the above-mentioned detection types, in order to facilitate observation of the track and driving environment, a video recorder 38 is set. The video recorder 38 is equivalent to a driving recorder on a car, and the video recorder 38 records the driving process during the detection.

[0103] In addition, the front of the vehicle 1 is provided with a lighting lamp, and the rear of the vehicle 6 is provided with a warning lamp, and the lighting lamp and the warning lamp are both electrically connected to the controller 21 .

[0104] Lighting and warning lights are provided to facilitate technicians to work at night.

[0105] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made according to the structures, features and principles described in the patent scope of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. An intelligent detection trolley for railway signal equipment, comprising a detection device and a detection trolley, wherein the detection trolley drives the detection device to move on the rails, and is characterized in that: The detection vehicle comprises a power mechanism, a detection mechanism and a connection mechanism, the power mechanism comprising a vehicle head (1), a drive module, a track wheel (2) and a brake module, the track wheel (2) is rotatably connected to the vehicle head (1) via the drive module, the vehicle head (1) is detachably connected to the connection mechanism, and a brake module is arranged at the bottom of the vehicle head (1); The connecting mechanism comprises a connecting plate (3) and a base (4), the connecting plate (3) being arranged on both sides of the base (4), a seat (5) being arranged at the upper end of the base (4), and the other end of the connecting mechanism being detachably connected to the detection mechanism; The detection mechanism comprises a vehicle tail (6), a driven rail wheel (7) and a bracket (8), wherein the bracket (8) is disposed at two ends of the vehicle tail (6), the driven rail wheel (7) is rotatably connected to the vehicle tail (6), a seat (5) is disposed on the vehicle tail (6), and a detection device is disposed on the bottom surface of the vehicle tail (6) and the bottom surface of the bracket (8); The detection device is connected to a signal processing circuit, and the signal processing circuit is provided with a communication module (12); The two connecting plates (3) are both long strip structures, and both ends of the connecting plates (3) are provided with first connecting holes (42). A mounting groove (25) is provided on one side of the connecting plates (3) close to the base (4) at the front end (1) and the rear end (6) of the vehicle. A second connecting hole (43) is provided on the mounting groove (25) in correspondence with the first connecting hole (42). The end of the connecting plate (3) is arranged in the mounting groove (25), and a latch (26) is provided between the connecting plate (3) and the mounting groove (25). The connecting plate (3) is detachably connected to the front end (1) and the rear end (6) of the vehicle via the latch (26). The latch pin (26) passes through the second connection hole (43) and the first connection hole (42) in sequence; The connecting plate (3) comprises a straight section and an upwardly inclined oblique section, the straight section is a rectangular plate, the oblique section comprises two side plates and a transverse plate, the side plates are right-angled trapezoidal structures, the transverse plate is a square plate, the two side plates are arranged on both sides of the straight section, the transverse plate is arranged between the two side plates, the transverse plate, the two side plates and the straight section are an integrated structure, and a first connecting hole (42) is provided on the side plate; The bottom of the side plate contacts the bottom surface of the mounting groove (25), and a spacing A is provided between the top surface of the side plate and the top surface of the mounting groove (25), wherein the spacing A is 0.3-1 cm; A spacing B is provided between the horizontal plate and the side of the mounting groove (25), and the spacing B is 0.7-1 cm; The connecting plate (3) and the base (4) are an integrated structure.

2. The intelligent detection vehicle for railway signal equipment according to claim 1 is characterized in that: The vehicle head (1) is provided with a control console, the control console comprising a protective cover (13), a display screen (14), a speed regulating switch (15), a forward and reverse switch (16) and a key switch (17); the protective cover (13) is embedded with the display screen (14), the speed regulating switch (15), the forward and reverse switch (16) and the key switch (17); The drive module comprises a control circuit and a drive motor (20), the control circuit comprises a controller (21) and a driver (22), an input end of the controller (21) is connected to the speed adjustment switch (15), the forward and reverse switch (16) and the key switch (17), an output end of the controller (21) is connected to an input end of the driver (22), an output end of the driver (22) is connected to a control end of the drive motor (20), and the display screen (14) is communicatively connected to the controller (21); A wheel axle (18) is provided between the two rail wheels (2), and the wheel axle (18) is drivingly connected to an output shaft of a drive motor (20) via a gear (19).

3. The intelligent detection vehicle for railway signal equipment according to claim 2 is characterized in that: The brake module comprises a hydraulic brake, a proportional solenoid valve (23) and a pedal switch (24), wherein an output end of the pedal switch (24) is connected to the controller (21), and an output end of the controller (21) is electrically connected to a control end of the proportional solenoid valve (23); The hydraulic brake is connected to a hydraulic oil tank via a valve port of a proportional solenoid valve (23), and a brake shoe of the hydraulic brake is arranged close to the wheel axle (18).

4. The intelligent detection vehicle for railway signal equipment according to claim 1 is characterized in that: The signal processing circuit comprises a first MCU chip (27), an interface circuit (28), a signal amplifying circuit (29) and an AD circuit (30); the interface circuit (28) is respectively connected to a track circuit detection antenna (9) and a plurality of compensation capacitance sensors (10); an output end of the interface circuit (28) is connected to an input end of the signal amplifying circuit (29); an output end of the signal amplifying circuit (29) is connected to an input end of the AD circuit (30); an output end of the AD circuit (30) is connected to an ADC pin of the first MCU chip (27); and the signal amplifying circuit (29) comprises a 1-0.5 times amplifying circuit, a 1.2-7 times amplifying circuit and a signal zeroing amplifying circuit; The signal processing circuit further comprises a second MCU chip (31), a transponder antenna interface (32) and a transponder processor (33); the transponder antenna interface (32) is connected to a transponder reading antenna (11); an output end of the transponder antenna interface (32) is connected to the transponder processor (33); and the transponder processor (33) is connected to the second MCU chip (31) via a UART serial port communication; The signal processing circuit further comprises a third MCU chip (34) and a speed sensor interface (35); the speed sensor interface (35) is connected to a speed sensor (36); an output end of the speed sensor interface (35) is connected to the third MCU chip (34); the speed sensor (36) is arranged close to the driven track wheel (7) and is fixed to the rear end of the vehicle (6); The third MCU chip (34) is also connected to a positioning module (37), wherein the positioning module (37) comprises a Beidou positioning unit; The communication module (12) comprises an Ethernet unit, wherein the Ethernet unit is respectively connected to a first MCU chip (27), a second MCU chip (31) and a third MCU chip (34).

5. The intelligent detection vehicle for railway signal equipment according to claim 4 is characterized in that: A track circuit detection antenna (9) is disposed at the bottom end of the bracket (8); a transponder reading antenna (11) is fixedly disposed in the middle of the bottom surface of the vehicle tail (6); a plurality of compensation capacitance sensors (10) are symmetrically disposed along the position of the transponder reading antenna (11); the compensation capacitance sensors (10) are fixed to the bottom surface of the vehicle tail (6); and a signal processing circuit is disposed inside the vehicle tail (6); A video recorder (38) is provided on the vehicle head (1).

6. The detection mechanism of the intelligent detection vehicle for railway signal equipment according to claim 1 is characterized in that: The vehicle head (1) is provided with a power box (39), wherein a battery and a charger are provided in the power box (39), a charging port is provided on the power box (39), a charging head of the charger is arranged in the charging port, and the battery is electrically connected to a control console, a drive module, a brake module, a signal processing circuit, a video recorder (38), a track circuit detection antenna (9), a compensation capacitance sensor (10) and a transponder reading antenna (11).

7. The intelligent detection vehicle for railway signal equipment according to claim 2 is characterized in that: The front of the vehicle (1) is provided with a lighting lamp, and the rear of the vehicle (6) is provided with a warning lamp, and both the lighting lamp and the warning lamp are electrically connected to the controller (21).

8. The intelligent detection vehicle for railway signal equipment according to claim 1 is characterized in that: The seat (5) comprises a seat cushion and a backrest, wherein the seat cushion is rotatably connected to the backrest, a safety belt (40) is arranged on the seat cushion, and handles (41) are arranged on both sides of the seat cushion.

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