CN109100422A - Rail examination and video monitoring integrated system based on asynchronous encoder - Google Patents
Rail examination and video monitoring integrated system based on asynchronous encoder Download PDFInfo
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- CN109100422A CN109100422A CN201810981132.5A CN201810981132A CN109100422A CN 109100422 A CN109100422 A CN 109100422A CN 201810981132 A CN201810981132 A CN 201810981132A CN 109100422 A CN109100422 A CN 109100422A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 83
- 238000013480 data collection Methods 0.000 claims description 17
- 238000007781 pre-processing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 13
- 238000012856 packing Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/701—Line sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/262—Linear objects
- G01N2291/2623—Rails; Railroads
Abstract
The invention discloses a kind of rail examination based on asynchronous encoder and video monitoring integrated systems, it is installed on trolley wheel platform, including industry control shows all-in-one machine, flaw detection data Acquisition Processor, the left spy wheel of ultrasonic wave, the right spy wheel of ultrasonic wave, left rail CCD line-scan digital camera device, right rail CCD line-scan digital camera device, the first encoder and second encoder.The present invention is changed to Hall sensor also by the way that line-scan digital camera is changed to area array cameras, by encoder and increases code device signal pretreatment system to form rail examination and video monitoring integrated system of the other three based on asynchronous encoder.This system realizes double rail type supersonic detector while detect a flaw inside rail, is monitored to Rail Surface.
Description
Technical field
The present invention relates to double rail type steel rail ultrasonic flaw detecting instrument more particularly to a kind of rail spies based on asynchronous encoder
Wound and video monitoring integrated system.
Background technique
Currently, domestic emerging double rail type rail examination and rail level monitor integrated system, which is provided in double rail type
On steel rail ultrasonic flaw detecting instrument car body, the appearance of the equipment effectively solves double rail type steel rail ultrasonic flaw detecting instrument and can only carry out
Inside flaw detection, can not synchronize the problem of Rail Surface monitors；There is also various problems for such existing equipment in the market: more
System shares a code device signal triggering, causes to generate mileage misalignment when multisystem Data Matching；Rail level monitoring camera
Mostly line-scan digital camera, data volume are huge；System complexity is high, integrated level is high, increases risk；Shared by multiple systems unity coder
Signal causes subsystem to interdepend, and cannot change the detection accuracy of respective system as needed.
Summary of the invention
Internal flaw detection can only be carried out to solve existing double rail type steel rail ultrasonic flaw detecting instrument, Rail Surface can not be synchronized
Monitoring, the invention proposes a kind of rail examination based on asynchronous encoder and video monitoring integrated systems.
The technical scheme adopted by the invention is that:
A kind of rail examination and video monitoring integrated system based on asynchronous encoder provided by the invention, is installed on small
On vehicle wheel platform, integrated system includes that industry control shows the left spy wheel of all-in-one machine, flaw detection data Acquisition Processor, ultrasonic wave, ultrasound
The right spy wheel of wave, left rail CCD line-scan digital camera device, right rail CCD line-scan digital camera device, the first encoder and second encoder；It is described
Industry control show all-in-one machine respectively with the flaw detection data Acquisition Processor, left rail CCD line-scan digital camera device and the right rail CCD line
The connection of array camera device；The flaw detection data Acquisition Processor is taken turns with the left spy wheel of the ultrasonic wave and the right spy of the ultrasonic wave respectively
Connection；First encoder is connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；Second coding
Device is connect with the left rail CCD line-scan digital camera device and the right rail CCD line-scan digital camera device respectively.
Rail examination and video monitoring integrated system of the another kind based on asynchronous encoder provided by the invention, are installed on
On carriage walking platform, integrated system includes that industry control shows the left spy wheel of all-in-one machine, flaw detection data Acquisition Processor, ultrasonic wave, surpasses
The right spy wheel of sound wave, left rail level array camera device, right rail level array camera device, the first encoder and Hall sensor；The industry control
Show all-in-one machine respectively with the flaw detection data Acquisition Processor, left rail level array camera device and the right rail level array camera device
Connection；The flaw detection data Acquisition Processor is connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；It is described
First encoder is connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；The Hall sensor respectively with institute
Left rail level array camera device is stated to connect with the right rail level array camera device.
The third rail examination and video monitoring integrated system based on asynchronous encoder provided by the invention, are installed on
On carriage walking platform, integrated system includes that industry control shows the left spy wheel of all-in-one machine, flaw detection data Acquisition Processor, ultrasonic wave, surpasses
The right spy wheel of sound wave, left rail CCD line-scan digital camera device, right rail CCD line-scan digital camera device, the first code device signal pretreatment system,
Second encoder signal pre-processing system, the first encoder and second encoder；The industry control show all-in-one machine respectively with it is described
Flaw detection data Acquisition Processor, left rail CCD line-scan digital camera device are connected with the right rail CCD line-scan digital camera device；The flaw detection
Data collection processor is connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；First code device signal
Pretreatment system is connected with first encoder, the left spy wheel of ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；Described second compiles
Code device signal pre-processing system respectively with the left rail CCD line-scan digital camera device, right rail CCD line-scan digital camera device and described second
Encoder connection.
Preferably, the left rail CCD line-scan digital camera device includes left rail CCD line-scan digital camera interconnected and first camera
Data collection processor；The right rail CCD line-scan digital camera device includes right rail CCD line-scan digital camera interconnected and second camera
Data collection processor；The second encoder signal pre-processing system respectively with the left rail CCD line-scan digital camera and the right side
The connection of rail CCD line-scan digital camera；The industry control show all-in-one machine respectively with the first camera data collection processor and described the
The connection of two data collection processors.
Preferably, the rail of the left rail CCD line-scan digital camera and the right rail CCD line-scan digital camera difference face two sides, and
And the range of shooting includes from the transverse width of rail head of rail to rail bottom slope surface.
Preferably, the left rail CCD line-scan digital camera and the right rail CCD line-scan digital camera are respectively with the bat of preset tilt angle
Rail is taken the photograph, the range of shooting includes rail head of rail, rail bottom slope surface and the web of the rail.
Preferably, the left rail CCD line-scan digital camera and the right rail CCD line-scan digital camera are multi-cam phase unit, institute
Stating multi-cam phase unit includes the camera by different angle, inside and outside the surface and rail to shoot rail head of rail respectively
Two sides.
Preferably, the first code device signal pretreatment system include single-chip microcontroller, JTAG download interface, external clock,
Reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip；The JTAG downloading
Interface, external clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and described
CH340 chip is connect with the single-chip microcontroller respectively；The CH340 chip is connect with the single-chip microcontroller；The industry control display one
Machine is connect with the CH340 chip；The GPIO input port is connect with first encoder；The GPIO output port point
It is not connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave.
Preferably, the second encoder signal pre-processing system include single-chip microcontroller, JTAG download interface, external clock,
Reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip；The JTAG downloading
Interface, external clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and described
CH340 chip is connect with the single-chip microcontroller respectively；The CH340 chip is connect with the single-chip microcontroller；The industrial personal computer with it is described
The connection of CH340 chip；The GPIO input port is connect with the encoder；The GPIO output port respectively with the left rail
CCD line-scan digital camera device is connected with the right rail CCD line-scan digital camera device.
4th kind provided by the invention rail examination and video monitoring integrated system based on asynchronous encoder, are installed on
On carriage walking platform, which is characterized in that taken turns including industry control display all-in-one machine, flaw detection data Acquisition Processor, the left spy of ultrasonic wave,
The right spy wheel of ultrasonic wave, left rail level array camera device, right rail level array camera device, the first code device signal pretreatment system, first
Encoder and Hall sensor；The industry control show all-in-one machine respectively with the flaw detection data Acquisition Processor, left rail level battle array phase
Machine device is connected with the right rail level array camera device；The flaw detection data Acquisition Processor is taken turns with the left spy of the ultrasonic wave respectively
With the right spy wheel connection of the ultrasonic wave；The first code device signal pretreatment system respectively with first encoder, ultrasound
The left spy wheel of wave and the right spy wheel connection of the ultrasonic wave；The Hall sensor respectively with the left rail level array camera device and described
Right rail level array camera device connection.
Preferably, the left rail level array camera device includes that left rail level array camera interconnected and first camera data are adopted
Set processor；The right rail level array camera device includes right rail level array camera interconnected and second camera data acquisition process
Device；The Hall sensor is connect with the left rail level array camera and the right rail level array camera respectively；The industry control shows one
Body machine is connect with the first camera data collection processor and the second camera data collection processor respectively.
Preferably, the first code device signal pretreatment system include single-chip microcontroller, JTAG download interface, external clock,
Reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip；The JTAG downloading
Interface, external clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and described
CH340 chip is connect with the single-chip microcontroller respectively；The CH340 chip is connect with the single-chip microcontroller；The industry control display one
Machine is connect with the CH340 chip；The GPIO input port is connect with first encoder；The GPIO output port point
It is not connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave.
Compared with prior art, the beneficial effects of the present invention are:
The present invention increases Rail Surface flaw detection (rail head surface, the web of the rail, rail cant on the basis of flaw detection inside rail
Face), technology tends to mature and reliable；
Using asynchronous method thinking, each system uses independent encoded position signal, which is not limited to encoder letter
Number, it is also possible to Hall sensor signal, the stability of encoded position signal and reliable when having fully ensured that the operation of each system
Property；
Area array cameras can be used in technical solution of the present invention；
Multi-functional modularized design, so that fault detection system is convenient in conjunction with rail level monitoring system, flexible, mouldability
By force；
Using code device signal pretreatment system, fault detection system flaw detection precision and rail level monitoring system image may be implemented
The adjusting for shooting precision, realizes the testing requirements of zone individualty under the premise of meeting relevant regulations；
The addition of rail level monitoring function, provides the foundation for weld seam recognition.
Detailed description of the invention
Fig. 1 be one embodiment of the invention rail examination based on asynchronous encoder and video monitoring integrated system it is vertical
Body figure；
Fig. 2 is the structural block diagram of the integrated system of Fig. 1；
Fig. 3 be one embodiment of the invention rail examination based on asynchronous encoder and video monitoring integrated system it is vertical
Body figure；
Fig. 4 is the structural block diagram of the integrated system of Fig. 3；
Fig. 5 be one embodiment of the invention rail examination based on asynchronous encoder and video monitoring integrated system it is vertical
Body figure；
Fig. 6 is the structural block diagram of the integrated system of Fig. 5；
Fig. 7 be one embodiment of the invention rail examination based on asynchronous encoder and video monitoring integrated system it is vertical
Body figure；
Fig. 8 is the structural block diagram of the integrated system of Fig. 7；
Fig. 9 is the schematic diagram of the code device signal pretreatment system of one embodiment of the invention；
Figure 10 is the current mileage calculation schematic diagram of first encoder of one embodiment of the invention；
Figure 11 is the current mileage calculation schematic diagram of the second encoder of one embodiment of the invention；
Figure 12 is the interface schematic diagram of the playback software of one embodiment of the invention；
Figure 13 is the interface schematic diagram of the playback software of one embodiment of the invention；
Figure 14 is the interface schematic diagram of the playback software of one embodiment of the invention.
In figure, 1- trolley wheel platform；2- industry control shows all-in-one machine；3- flaw detection data Acquisition Processor；4- ultrasonic wave is left
Visit wheel；The right spy wheel of 5- ultrasonic wave；The first encoder of 6-；The left rail CCD line-scan digital camera device of 7-；The right rail CCD line-scan digital camera device of 8-；
9- second encoder；The left rail CCD line-scan digital camera of 10-；11- first camera data collection processor；The first code device signal of 12- is pre-
Processing system；13- second encoder signal pre-processing system；The left rail level array camera device of 14-；The right rail level array camera device of 15-；
16- Hall sensor；The left rail level array camera of 17-.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.
Embodiment 1
As depicted in figs. 1 and 2, rail examination and video monitoring integrated system based on asynchronous encoder, are installed on small
On vehicle wheel platform 1, integrated system include industry control show left spys of all-in-one machine 2, flaw detection data Acquisition Processor 3, ultrasonic wave take turns 4,
The right spy wheel 5 of ultrasonic wave, left rail CCD line-scan digital camera device 7, right rail CCD line-scan digital camera device 8, the first encoder 6 and the second coding
Device 9；Industry control show all-in-one machine 2 respectively with flaw detection data Acquisition Processor 3, left rail CCD line-scan digital camera device 7 and right rail CCD line
Array camera device 8 connects；Flaw detection data Acquisition Processor 3 is connect with the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave respectively；The
One encoder 6 is connect with the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave respectively；Second encoder 9 respectively with left rail CCD linear array
Camera apparatus 7 and the connection of right rail CCD line-scan digital camera device 8.
The course of work of this system are as follows:
Step 1: starting 1 general supply of trolley wheel platform, fault detection system, CCD line-scan digital camera rail level monitoring system, industry control are aobvious
Show that all-in-one machine 2 and encoder enter working condition；
Step 2: showing that rail examination and rail level are opened on all-in-one machine 2 monitors integrated software in industry control, user inputs starting
After mileage and related job parameter, " bringing into operation " button is clicked, fault detection system is by current flaw detection data and current coding
Value information carries out data packing and uploads to industrial personal computer in real time；
Step 3: system plays back software for according to the position encoded information of flaw detection data, image data, passes through mileage correlation
Algorithm, flaw detection data and the matching of rail level image data are got up, flaw detection B aobvious number in same mileage position is realized in playback software
It is played simultaneously according to rail level image data.
Left rail CCD line-scan digital camera device 7 includes that left rail CCD line-scan digital camera 10 interconnected and first camera data acquire
Processor 11；Right rail CCD line-scan digital camera device 8 includes that right rail CCD line-scan digital camera interconnected and second camera data acquire
Processor；Second encoder 9 is connect with left rail CCD line-scan digital camera 10 and right rail CCD line-scan digital camera respectively；Industry control shows all-in-one machine
2 connect with first camera data collection processor 11 and second camera data collection processor respectively.
The rail of left rail CCD line-scan digital camera 10 and right rail CCD line-scan digital camera difference face two sides, and the range packet shot
It includes from the transverse width of rail head of rail to rail bottom slope surface.
Left rail CCD line-scan digital camera 10 and right rail CCD line-scan digital camera shoot rail respectively with preset tilt angle, shooting
Range includes rail head of rail, rail bottom slope surface and the web of the rail.
Left rail CCD line-scan digital camera 10 and right rail CCD line-scan digital camera are multi-cam phase unit, multi-cam phase unit packet
The camera by different angle is included, inside and outside the surface and rail to shoot rail head of rail respectively.
Embodiment 2
As shown in Figure 3 and Figure 4, the main distinction of embodiment 2 and embodiment 1 is, by left rail CCD line-scan digital camera device 7
Left rail level array camera device and right rail level array camera device are replaced with right rail CCD line-scan digital camera device 8, by second encoder 9
Replace with Hall sensor 16.In the present embodiment, rail examination and video monitoring integrated system based on asynchronous encoder, peace
Loaded on carriage walking platform, integrated system includes that industry control shows all-in-one machine 2, flaw detection data Acquisition Processor 3, the left spy of ultrasonic wave
The right spy wheel 5 of wheel 4, ultrasonic wave, left rail level array camera device 14, right rail level array camera device 15, the first encoder 6 and hall sensing
Device 16；Industry control show all-in-one machine 2 respectively with flaw detection data Acquisition Processor 3, left rail level array camera device 14 and right rail level battle array phase
Machine device 15 connects；Flaw detection data Acquisition Processor 3 is connect with the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave respectively；First compiles
Code device 6 is connect with the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave respectively；Hall sensor 16 is filled with left rail level array camera respectively
Set 14 and the connection of right rail level array camera device 15.
The course of work of this system are as follows:
Step 1: the general supply of starting trolley wheel platform 1, fault detection system, area array cameras rail level monitoring system, industry control are aobvious
Show that all-in-one machine 2, encoder and Hall sensor 16 enter working condition；
Step 2: showing that rail examination and area array cameras rail level are opened on all-in-one machine 2 monitors integrated system, user in industry control
After input starting mileage and related job parameter, " bringing into operation " button is clicked, fault detection system is by current flaw detection data and works as
Preceding coding value information carries out data packing and uploads to industry control display all-in-one machine 2 in real time, and at the same time, area array cameras device will scheme
Industry control display all-in-one machine 2 is uploaded in real time as data and Hall coding value information carry out data packing；
Step 3: system plays back software for according to the position encoded information of flaw detection data, image data, passes through mileage correlation
Algorithm, flaw detection data and the matching of rail level image data are got up, flaw detection B aobvious number in same mileage position is realized in playback software
It is played simultaneously according to rail level image data.
Left rail level array camera device 14 includes left rail level array camera 17 interconnected and first camera data acquisition process
Device 11；Right rail level array camera device 15 includes right rail level array camera interconnected and second camera data collection processor；Suddenly
You connect with left rail level array camera 17 and right rail level array camera sensor 16 respectively；Industry control show all-in-one machine 2 respectively with the first phase
Machine data collection processor 11 is connected with second camera data collection processor.
Embodiment 3
As shown in Figure 5 and Figure 6, embodiment 3 and the main distinction of embodiment 2 are, it is pre- to increase the first code device signal
Processing system 12.In the present embodiment, rail examination and video monitoring integrated system based on asynchronous encoder are installed on trolley
On travelling platform, which is characterized in that including industry control show left spys of all-in-one machine 2, flaw detection data Acquisition Processor 3, ultrasonic wave take turns 4,
5, left rail level array camera device 14, right rail level array camera device 15, the first code device signal pretreatment system are taken turns in the right spy of ultrasonic wave
12, the first encoder 6 and Hall sensor 16；Industry control show all-in-one machine 2 respectively with flaw detection data Acquisition Processor 3, left rail level
Array camera device 14 and the connection of right rail level array camera device 15；Flaw detection data Acquisition Processor 3 respectively with ultrasonic wave left spy wheel 4 and
Right 5 connection of spy wheel of ultrasonic wave；First code device signal pretreatment system 12 respectively with the left spy wheel 4 of the first encoder 6, ultrasonic wave and
Right 5 connection of spy wheel of ultrasonic wave；Hall sensor 16 connects with left rail level array camera device 14 and right rail level array camera device 15 respectively
It connects.
First code device signal pretreatment system 12 include single-chip microcontroller, JTAG download interface, external clock, reset button,
Frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip；When JTAG download interface, outside
Clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip respectively with monolithic
Machine connection；CH340 chip is connect with single-chip microcontroller；Industry control shows that all-in-one machine 2 is connect with CH340 chip；GPIO input port and
The connection of one encoder 6；GPIO output port is connect with the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave respectively.
The course of work of this system are as follows:
Step 1: the general supply of starting trolley wheel platform 1, fault detection system, area array cameras rail level monitoring system, industry control are aobvious
Show that all-in-one machine 2, code device signal pretreatment system, encoder and Hall sensor 16 enter working condition；
Step 2: user shows that rail examination and rail level are opened on all-in-one machine 2 monitors integrated software, is meeting phase in industry control
Carrying out flaw detection precision inside the rail of this synthesis flaw detection can be selected under the premise of closing operation or work standard in software, chooses precision
After parameter, code device signal pretreatment system executes corresponding code device signal division function；
Step 3: after user inputs starting mileage and related job parameter, clicking " bringing into operation " button, fault detection system will
Current flaw detection data and current coding value information carry out data packing and upload to industry control display all-in-one machine 2 in real time, same with this
When, image data and Hall coding value information are carried out data packing and upload to industrial personal computer in real time by area array cameras device；
Step 4: system plays back software for according to the position encoded information of flaw detection data, image data, passes through mileage correlation
Algorithm, flaw detection data and the matching of rail level image data are got up, flaw detection B aobvious number in same mileage position is realized in playback software
It is played simultaneously according to rail level image data.
Embodiment 4
As shown in Figure 7 and Figure 8, embodiment 4 and the main distinction of embodiment 1 are, it is pre- to increase the first code device signal
Processing system 12 and second encoder signal pre-processing system 13.In the present embodiment, the rail examination based on asynchronous encoder
It with video monitoring integrated system, is installed on carriage walking platform, integrated system includes that industry control shows all-in-one machine 2, flaw detection data
5, left rail CCD line-scan digital camera device 7, right rail CCD line-scan digital camera are taken turns in the left spy wheel 4 of Acquisition Processor 3, ultrasonic wave, the right spy of ultrasonic wave
Device 8, the first code device signal pretreatment system 12, second encoder signal pre-processing system 13, the first encoder 6 and second
Encoder 9；Industry control show all-in-one machine 2 respectively with flaw detection data Acquisition Processor 3, left rail CCD line-scan digital camera device 7 and right rail
CCD line-scan digital camera device 8 connects；Flaw detection data Acquisition Processor 3 connects with the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave respectively
It connects；First code device signal pretreatment system 12 connects with the first encoder 6, the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave respectively
It connects；Second encoder signal pre-processing system 13 respectively with left rail CCD line-scan digital camera device 7, right rail CCD line-scan digital camera device 8
It is connected with second encoder 9.
The course of work of this system are as follows:
Step 1: the general supply of starting trolley wheel platform 1, fault detection system, CCD line-scan digital camera rail level monitoring system, industry control
Display all-in-one machine 2, encoder and code device signal pretreatment system enter working condition；
Step 2: user shows that rail examination and rail level are opened on all-in-one machine 2 monitors integrated software, is meeting phase in industry control
Carrying out flaw detection precision, Rail Surface inside the rail of this synthesis flaw detection can be selected under the premise of closing operation or work standard in software
The detection accuracy of image, after choosing precision parameter, the corresponding code device signal frequency of code device signal pretreatment system de-regulation；
Step 3: after user inputs starting mileage and related job parameter, clicking " bringing into operation " button, fault detection system will
Current flaw detection data and current coding value information carry out data packing and upload to industry control display all-in-one machine 2 in real time, same with this
When, image data and coding value information progress data packing are uploaded to industry control in real time and show all-in-one machine by CCD line-scan digital camera device
2；
Step 4: system plays back software for according to the position encoded information of flaw detection data, image data, passes through mileage correlation
Algorithm, flaw detection data and the matching of rail level image data are got up, flaw detection B aobvious number in same mileage position is realized in playback software
It is played simultaneously according to rail level image data.
As shown in figure 9, code device signal pretreatment system include single-chip microcontroller, JTAG download interface, external clock, reset by
Button, frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip；JTAG download interface, outside
Clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip respectively with list
The connection of piece machine；CH340 chip is connect with single-chip microcontroller；Industry control shows that all-in-one machine 2 is connect with CH340 chip；GPIO input port with
Encoder connection；When code device signal pretreatment system is the first code device signal pretreatment system 12, GPIO output port point
It is not connect with the left spy wheel 4 of ultrasonic wave and the right spy wheel 5 of ultrasonic wave；Code device signal pretreatment system is that second encoder signal is located in advance
When reason system 13, GPIO output port is connect with left rail CCD line-scan digital camera device 7 and right rail CCD line-scan digital camera device 8 respectively.
In the design, coding preprocessing module shows that the USB port of all-in-one machine 2 provides 5V power work, preprocessing module tool by industry control
There is 72M processing speed, read the pulse signal of encoder, pulse signal is switched into digital signal, while utilizing more frequency splitting technologies
More frequency dividing outputs such as encoded signal not frequency conversion, 2 frequency dividings, 4 frequency dividings can be realized by frequency modulation key, and user is allowed to meet related skill
It can choose different flaw detection precision and shooting precision under the premise of art specification.
The scaling-down process of code device signal pretreatment system describes:
Code device signal pretreatment system powers on default every time and does not divide, after user clicks frequency modulation key, monolithic machine examination
Port level state is surveyed, frequency division coefficient in SCM program is added 1 by algorithm of signal-wobble elimination, then single-chip microcontroller controls GPIO output at this time
The encoded signal of port output becomes 1/2 frequency of original signal, and the shooting precision of camera becomes original 1/2 at this time；User
System frequency division coefficient (can support to check 8 kinds of frequency division coefficients) can be checked by 3 indicator lights on circuit board, such as 1 institute of table
Show；More frequency division coefficients, serial communication (parameter: 460800,8 data of baud rate can also be checked with serial communication assistant
Position, 1 stop position, no parity) it can check the 3rd byte of data issued every time, such as: AA, BB, 01, XX, XX,
XX, XX, XX, XX, XX indicate 1 frequency dividing, and AA, BB, 04, XX, XX, XX, XX, XX, XX, XX indicate 4 frequency dividings, could support up 128 points
Frequently.
Table 1
| (0 goes out, and 1 is bright) | No. 1 LED light | No. 2 LED light | No. 3 LED light | Frequency division coefficient |
| LED status | 0 | 0 | 0 | f |
| LED status | 0 | 0 | 1 | 1/2f |
| LED status | 0 | 1 | 0 | 1/3f |
| LED status | 0 | 1 | 1 | 1/4f |
| LED status | 1 | 0 | 0 | 1/5f |
| LED status | 1 | 0 | 1 | 1/6f |
| LED status | 1 | 1 | 0 | 1/7f |
| LED status | 1 | 1 | 1 | 1/8f |
Asynchronous method encoder scheme of the invention: fault detection system and frequency image monitoring system pass through two independent encoders
(can be different accuracy) each self-excitation work；
Assuming that when vehicle is run, while an initial mileage: S1 is inputted to fault detection system and frequency image monitoring system；
The current mileage calculation of fault detection system:
First encoder 67: by taking vehicle vehicle wheel rotation one encloses 2048 pulses as an example, accumulated pulse number is N1, corresponding mileage
Coefficient is denoted as K1, and current mileage is L1, as shown in Figure 10；Wherein L1=S1+N1*K1；
The current mileage calculation of frequency image monitoring system:
Second encoder 98: by taking vehicle wheel one encloses 4096 pulses as an example, accumulated pulse number scale is N2, corresponding mileage number scale
For K2, current mileage is S, as shown in figure 11；Wherein L2=S1+N2*K2；K1/K2=2 in this example.
B meets the following conditions when showing interface or playback system calling flaw detection data and rail level image:
L1=L2.
Asynchronous method mileage invocation scheme refers to that fault detection system and rail level monitoring system use respective individual encoders signal
Or hall signal triggers work (precision can be same or different), system converts these signals to the form of encoded radio
It is combined together with flaw detection data or rail level image data, rail examination and rail level monitoring integrated software will be realized inside rail
Corresponding mileage algorithm is used when flaw detection data and rail level image data are played simultaneously, and meets L1=L2, not due to mileage precision
Equally, it may appear that L1 is not equal to the case where L2, and in this case, mileage positioning is low with mileage matching precision with high accuracy
Mileage be criterion.
As shown in figure 12, the interface schematic diagram of the playback software of one embodiment of the invention, wherein B shows data and rail level image
Data are located at colleague and play.
As shown in figure 13, the interface schematic diagram of the playback software of one embodiment of the invention, wherein rail B in left and right shows data and is located at
Above interface, left and right rail image data is distributed in side by side below interface.
As shown in figure 14, the interface schematic diagram of the playback software of one embodiment of the invention, wherein left rail B shows data and image
Data are combined together side by side, and right rail B shows data and image data is combined together.
In the present invention, in the case where that can implement, a certain technical solution in one embodiment is added into separately
The new technical solution formed in one embodiment is within protection scope of the present invention.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (12)
1. rail examination and video monitoring integrated system based on asynchronous encoder, are installed on trolley wheel platform, special
Sign is, including industry control shows the left spy wheel of all-in-one machine, flaw detection data Acquisition Processor, ultrasonic wave, the right spy wheel of ultrasonic wave, left rail
CCD line-scan digital camera device, right rail CCD line-scan digital camera device, the first encoder and second encoder；The industry control shows all-in-one machine
Connect respectively with the flaw detection data Acquisition Processor, left rail CCD line-scan digital camera device and the right rail CCD line-scan digital camera device
It connects；The flaw detection data Acquisition Processor is connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；Described
One encoder is connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；The second encoder respectively with it is described
Left rail CCD line-scan digital camera device is connected with the right rail CCD line-scan digital camera device.
2. rail examination and video monitoring integrated system based on asynchronous encoder, are installed on carriage walking platform, special
Sign is, including industry control shows the left spy wheel of all-in-one machine, flaw detection data Acquisition Processor, ultrasonic wave, the right spy wheel of ultrasonic wave, left rail level
Array camera device, right rail level array camera device, the first encoder and Hall sensor；The industry control show all-in-one machine respectively with institute
State flaw detection data Acquisition Processor, left rail level array camera device is connected with the right rail level array camera device；The flaw detection data
Acquisition Processor is connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively；First encoder respectively with institute
State the left spy wheel of ultrasonic wave and the right spy wheel connection of the ultrasonic wave；The Hall sensor respectively with the left rail level array camera device
It is connected with the right rail level array camera device.
3. rail examination and video monitoring integrated system based on asynchronous encoder, are installed on carriage walking platform, special
Sign is, including industry control shows the left spy wheel of all-in-one machine, flaw detection data Acquisition Processor, ultrasonic wave, the right spy wheel of ultrasonic wave, left rail
CCD line-scan digital camera device, right rail CCD line-scan digital camera device, the first code device signal pretreatment system, second encoder signal are pre-
Processing system, the first encoder and second encoder；The industry control show all-in-one machine respectively with the flaw detection data acquisition process
Device, left rail CCD line-scan digital camera device are connected with the right rail CCD line-scan digital camera device；The flaw detection data Acquisition Processor point
It is not connected with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave；The first code device signal pretreatment system respectively with
The left spy wheel of first encoder, ultrasonic wave and the right spy wheel connection of the ultrasonic wave；Second encoder Signal Pretreatment system
System is connect with the left rail CCD line-scan digital camera device, right rail CCD line-scan digital camera device and the second encoder respectively.
4. the rail examination and video monitoring integrated system according to claim 3 based on asynchronous encoder, feature
It is, the left rail CCD line-scan digital camera device includes at left rail CCD line-scan digital camera interconnected and first camera data acquisition
Manage device；The right rail CCD line-scan digital camera device includes at right rail CCD line-scan digital camera interconnected and second camera data acquisition
Manage device；The second encoder signal pre-processing system respectively with the left rail CCD line-scan digital camera and the right rail CCD linear array phase
Machine connection；The industry control shows all-in-one machine respectively and at the first camera data collection processor and the second data acquisition
Manage device connection.
5. the rail examination and video monitoring integrated system according to claim 4 based on asynchronous encoder, feature
It is, the rail of the left rail CCD line-scan digital camera and the right rail CCD line-scan digital camera difference face two sides, and the model shot
It encloses including the transverse width from rail head of rail to rail bottom slope surface.
6. the rail examination and video monitoring integrated system according to claim 4 based on asynchronous encoder, feature
It is, the left rail CCD line-scan digital camera and the right rail CCD line-scan digital camera shoot rail respectively with preset tilt angle, clap
The range taken the photograph includes rail head of rail, rail bottom slope surface and the web of the rail.
7. the rail examination and video monitoring integrated system according to claim 4 based on asynchronous encoder, feature
It is, the left rail CCD line-scan digital camera and the right rail CCD line-scan digital camera are multi-cam phase unit, the multi-cam
Phase unit includes the camera by different angle, inside and outside the surface and rail to shoot rail head of rail respectively.
8. the rail examination and video monitoring integrated system according to claim 3 based on asynchronous encoder, feature
It is, the first code device signal pretreatment system includes single-chip microcontroller, JTAG download interface, external clock, reset button, tune
Frequency key, LED light, GPIO input port, GPIO output port and CH340 chip；When the JTAG download interface, outside
Clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and the CH340 chip respectively with
The single-chip microcontroller connection；The CH340 chip is connect with the single-chip microcontroller；The industry control shows all-in-one machine and the CH340 core
Piece connection；The GPIO input port is connect with first encoder；The GPIO output port respectively with the ultrasonic wave
Left spy wheel and the right spy wheel connection of the ultrasonic wave.
9. the rail examination and video monitoring integrated system according to claim 3 based on asynchronous encoder, feature
It is, the second encoder signal pre-processing system includes single-chip microcontroller, JTAG download interface, external clock, reset button, tune
Frequency key, LED light, GPIO input port, GPIO output port and CH340 chip；When the JTAG download interface, outside
Clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and the CH340 chip respectively with
The single-chip microcontroller connection；The CH340 chip is connect with the single-chip microcontroller；The industrial personal computer is connect with the CH340 chip；Institute
GPIO input port is stated to connect with the encoder；The GPIO output port respectively with the left rail CCD line-scan digital camera device
It is connected with the right rail CCD line-scan digital camera device.
10. rail examination and video monitoring integrated system based on asynchronous encoder, are installed on carriage walking platform, special
Sign is, including industry control shows the left spy wheel of all-in-one machine, flaw detection data Acquisition Processor, ultrasonic wave, the right spy wheel of ultrasonic wave, left rail level
Array camera device, right rail level array camera device, the first code device signal pretreatment system, the first encoder and Hall sensor；
The industry control show all-in-one machine respectively with the flaw detection data Acquisition Processor, left rail level array camera device and the right rail level battle array
Camera apparatus connection；The flaw detection data Acquisition Processor connects with the left spy wheel of the ultrasonic wave and the right spy wheel of the ultrasonic wave respectively
It connects；The first code device signal pretreatment system respectively with the left spy wheel of first encoder, ultrasonic wave and the ultrasonic wave
Right spy wheel connection；The Hall sensor connects with the left rail level array camera device and the right rail level array camera device respectively
It connects.
11. the rail examination and video monitoring integrated system according to claim 10 based on asynchronous encoder, special
Sign is that the left rail level array camera device includes left rail level array camera interconnected and first camera data acquisition process
Device；The right rail level array camera device includes right rail level array camera and second camera data collection processor interconnected；Institute
Hall sensor is stated to connect with the left rail level array camera and the right rail level array camera respectively；The industry control shows all-in-one machine point
It is not connect with the first camera data collection processor and the second camera data collection processor.
12. the rail examination and video monitoring integrated system according to claim 10 based on asynchronous encoder, special
Sign is, the first code device signal pretreatment system include single-chip microcontroller, JTAG download interface, external clock, reset button,
Frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip；The JTAG download interface, outside
Clock, reset button, frequency modulation key, LED light, GPIO input port, GPIO output port and CH340 chip difference
It is connect with the single-chip microcontroller；The CH340 chip is connect with the single-chip microcontroller；The industry control shows all-in-one machine and the CH340
Chip connection；The GPIO input port is connect with first encoder；The GPIO output port respectively with the ultrasound
The left spy wheel of wave and the right spy wheel connection of the ultrasonic wave.
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