CN110346606A - A kind of locomotive speed sensor image capturing device - Google Patents
A kind of locomotive speed sensor image capturing device Download PDFInfo
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- CN110346606A CN110346606A CN201910736133.8A CN201910736133A CN110346606A CN 110346606 A CN110346606 A CN 110346606A CN 201910736133 A CN201910736133 A CN 201910736133A CN 110346606 A CN110346606 A CN 110346606A
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 59
- 238000013519 translation Methods 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000001447 compensatory effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000014616 translation Effects 0.000 description 26
- 241001669679 Eleotris Species 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Closed-Circuit Television Systems (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A kind of locomotive speed sensor image capturing device is related to a kind of locomotive image taking technology, existing to the velocity sensor detection method low efficiency and poor reliability that are mounted on locomotive wheel axle portion in order to solve the problems, such as.The left and right sides of rail is arranged in First Speed sensor shooting case and second speed sensor shooting case of the invention；Wheel detector is used to obtain the vehicle speed information and wheelbase information of locomotive, guarantees that locomotive preferentially passes through wheel detector, is respectively equipped with camera in two shooting casees；Two cameras are respectively used to the velocity sensor that shooting is located at locomotive two sides.Have the beneficial effect that detection efficiency height.
Description
Technical field
The present invention relates to a kind of locomotive image taking technologies.
Background technique
It is still at present by testing staff in vehicle for the detection work for being mounted on the velocity sensor of locomotive wheel axle portion
Between complete in working region, the detection means testing staff that places one's entire reliance upon take pictures forming video using video recording flashlight to component
Data judge whether the normal or visual component of testing staff directly judges whether it is normal for it, these detection gimmicks and means are all returned
Become artificial detection；But artificial detection detection efficiency is low, and artificial detection fully relies on the sense of responsibility of operator, it can
It is poor by property.
Summary of the invention
The purpose of the present invention is to solve existing to the velocity sensor detection method for being mounted on locomotive wheel axle portion
The problem of low efficiency and poor reliability, proposes a kind of locomotive speed sensor image capturing device.
A kind of locomotive speed sensor image capturing device of the present invention includes wheel detector, First Speed sensing
Device shoots case and second speed sensor shoots case；
First Speed sensor shooting case and second speed sensor shooting case are separately positioned on the left and right sides of rail；The
It is respectively side case that one velocity sensor, which shoots case and second speed sensor shooting case,；
The vehicle speed information and wheelbase information that wheel detector is arranged on the side wall of rail to obtain locomotive, and guarantee machine
After vehicle preferentially passes through wheel detector, then pass through First Speed sensor shooting case and second speed sensor shooting case；
Camera is respectively equipped in First Speed sensor shooting case and second speed sensor shooting case；First Speed sensing
The camera in camera and second speed sensor shooting case in device shooting case is respectively used to the speed that shooting is located at locomotive two sides
Sensor.
The operation principle of the present invention is that: apparatus of the present invention are set on the route of locomotive entering garage, to carry out certainly to locomotive
Dynamic its velocity sensor that detects whether there is failure；Train wheel rolls the wheel detector on rail first, obtains train
Vehicle speed information and wheelbase information are compared according to the wheelbase information with the wheelbase information contrast table of standard, determine and are detected column
The model of vehicle determines whether tested train belongs to detected type and determine velocity sensor according to the model of the train
Distributing position；If the model of tested train is not belonging to be detected type, the filming apparatus is to this train without detection；Such as
The model that fruit is tested train belongs to detected type, as locomotive；At this point, wheel detector is passed according to vehicle speed information and wheel
Sensor reaches First Speed away from the velocity sensor that the distance of First Speed sensor shooting case calculates locomotive wheel axle portion and passes
At the time of sensor shoots case, while front and back is determined according to the distributing position of vehicle speed information, wheelbase information and velocity sensor
The velocity sensors of two adjacent wheel axle portions reaches time difference when First Speed sensor shooting case position, and will more than
Information is sent to the camera in First Speed sensor shooting case, the shooting of First Speed sensor in the form of shooting command signal
Camera in case is determined according to shooting command signal at the time of start shooting and the adjacent time interval shot twice；Due to
One velocity sensor shooting case and second speed sensor shooting case are oppositely arranged on the left and right sides of locomotive direction of advance rail,
Therefore the camera sync pulse jamming in the camera and second speed sensor shooting case in First Speed sensor shooting case；According to first
What the camera in image and second speed sensor shooting case that the camera in velocity sensor shooting case is shot was shot
Image judges whether the velocity sensor of its respective locomotive wheel axle portion of side detection position is intact and whether fixing bolt is loose
It is dynamic.
The velocity sensor of locomotive wheel axle portion is examined the beneficial effects of the invention are as follows the image by camera shooting
It surveys, high-efficient, the camera point in camera and second speed sensor shooting case in First Speed sensor shooting case of detection
It can be color image that the image of the velocity sensor at left and right sides of locomotive direction of advance, which Pai She be located at, or grayscale image
Picture or high definition image, facilitate testing staff to check, also facilitate image automatic identification.
The present invention is suitable for shooting the appearance images and fixed vehicle speed degree sensor bolt image of locomotive speed sensor.
Detailed description of the invention
Fig. 1 is a kind of positional structure signal of locomotive speed sensor image capturing device described in specific embodiment one
Figure, wherein 1 is sleeper, and 2 be rail.
Specific embodiment
Specific embodiment 1: embodiment is described with reference to Fig. 1, a kind of locomotive speed sensing described in present embodiment
Device image capturing device includes wheel detector 3, First Speed sensor shooting case 5 and second speed sensor shooting case 6；
First Speed sensor shooting case 5 and second speed sensor shooting case 6 are separately positioned on the left and right two of rail 2
Side；It is respectively side case that First Speed sensor, which shoots case 5 and second speed sensor shooting case 6,；
The vehicle speed information and wheelbase information that wheel detector 3 is arranged on the side wall of rail 2 to obtain locomotive, and guarantee
After locomotive preferentially passes through wheel detector 3, then pass through First Speed sensor shooting case 5 and second speed sensor shooting case 6；
Camera is respectively equipped in First Speed sensor shooting case 5 and second speed sensor shooting case 6；First Speed passes
The camera in camera and second speed sensor shooting case 6 in sensor shooting case 5 is respectively used to shooting and is located at locomotive two sides
Velocity sensor.
In the present embodiment, when detecting to tested train, train wheel rolls the biography of the wheel on rail 2 first
Sensor 3, wheel detector 3 are a pair of sensors, and the vehicle speed information and wheelbase information of train, root are obtained according to this pair of sensors
It is compared according to the wheelbase information with the wheelbase information contrast table of standard, determines that the model of detected train, the model include
Lorry, car, locomotive, motor-car, present embodiment only detect locomotive, determine whether tested train belongs to according to the model of the train
(phase in First Speed sensor shooting case 5 is determined in the distributing position for being detected type and determining velocity sensor
The velocity sensor that camera needs in machine and second speed sensor shooting case 6 are shot is located at which wheel of tested engine
Axle center at, electricity business section velocity sensor generally at two axis and at four axis)；If the model of tested train is not belonging to be detected
Type, the i.e. filming apparatus are to this train without detection；If the model of tested train belongs to detected type, i.e., tested
Train is locomotive；Wheel detector 3 shoots case 5 away from First Speed sensor according to vehicle speed information and wheel detector 3 at this time
Distance at the time of calculate the velocity sensor of locomotive wheel axle portion and reach First Speed sensor shooting case 5, while basis
The distributing position of vehicle speed information, wheelbase information and velocity sensor determines that the speed of two adjacent wheel axle portions of front and back passes
Sensor reaches time difference when First Speed sensor shooting case position, and information above is sent in the form of taking the photograph command signal
Camera to First Speed sensor shooting case 5, First Speed sensor shoot the camera in case 5 according to shooting command signal
Determine the time interval shot at the time of starting shooting and every time；Since First Speed sensor shoots case 5 and second speed
Sensor shooting case 6 is oppositely arranged on the left and right sides of locomotive direction of advance rail, therefore in First Speed sensor shooting case 5
Camera sync pulse jamming in camera and second speed sensor shooting case 6；The camera in case 5 is shot according to First Speed sensor
The image that the camera in image and second speed sensor shooting case 6 shot is shot judges its respectively side detection position
The velocity sensor bolt of locomotive wheel axle portion whether lose, loosen and the failure of velocity sensor surface fracture；
Specifically calculated according to vehicle speed information and wheel detector 3 away from the distance of First Speed sensor shooting case 5
The velocity sensor of locomotive wheel axle portion reaches calculation formula at the time of First Speed sensor shooting case 5 are as follows:
Wherein, T1At the time of rolling wheel detector 3 first for tested train first row wheel, T2To install tested train
At the time of first velocity sensor on wheel reaches First Speed sensor shooting case 5, h1For wheel detector 3 and first
Velocity sensor shoots the distance of case 5, h2To install first velocity sensor and first row wheel on tested train wheel
Distance (the h in axle center2It is obtained after being compared by wheelbase information and according to the wheelbase information with the wheelbase information contrast table of standard
What the distributing position of the velocity sensor taken determined), v is the vehicle speed information that wheel detector 3 obtains train；
The time interval calculation formula that camera in specific First Speed sensor shooting case 5 is shot every time are as follows:
Wherein, t is the time interval that a velocity sensor shoots that the camera in case 5 is shot every time, h3For former and later two phases
Distance (the h of adjacent velocity sensor3It is carried out by wheelbase information and according to the wheelbase information contrast table of the wheelbase information and standard
What the distributing position of the velocity sensor obtained after comparison determined).
In the present embodiment, camera can accurately capture the image of velocity sensor, without shooting always.
Specific embodiment 2: present embodiment is to a kind of locomotive speed sensor figure described in specific embodiment one
As filming apparatus further limits, in the present embodiment, which further includes license number shooting case 4；
2 side of rail of locomotive direction of advance is arranged in the license number shooting case 4；
License number, which is shot, is equipped with camera in case 4；Camera in license number shooting case 4 is used to shoot the license number of locomotive.
In the present embodiment, the image that the camera in case 4 shoots the license number of locomotive is shot by license number, certainly by image
Dynamic identification obtains the vehicle number information of this train.
Specific embodiment 3: present embodiment is to a kind of locomotive speed sensor figure described in specific embodiment one
As filming apparatus further limits, in the present embodiment, First Speed sensor shoots bottom end and the second speed sensing of case 5
Device shooting 6 bottom end of case is respectively equipped with built-in fitting.
In the present embodiment, the height of built-in fitting guarantees that velocity sensor is in First Speed sensor shooting case 5
In camera and second speed sensor shooting case 6 in the range of the shooting of camera covering.
Specific embodiment 4: present embodiment is sensed to a kind of locomotive speed described in specific embodiment one or two
Device image capturing device further limits, and in the present embodiment, the camera is line-scan digital camera, 3D camera or area array cameras.
Specific embodiment 5: present embodiment is sensed to a kind of locomotive speed described in specific embodiment one or two
Device image capturing device further limits, and in the present embodiment, the camera is furnished with compensatory light and camera protective device.
Specific embodiment 6: present embodiment is to a kind of locomotive speed sensor figure described in specific embodiment one
As filming apparatus further limits, in the present embodiment, the First Speed sensor shooting case 5 be equipped with No.1 translation door and
No.1 translates controlling device for doors；
The No.1 translation controlling device for doors includes No.1 motor, No.1 motor mount, No.1 transmission mechanism and No.1
Guide rail；
The open end of First Speed sensor shooting case 5 is arranged in No.1 guide rail；No.1 translation door is sliding along No.1 guide rail
Dynamic unlatching and closure to realize First Speed sensor shooting 5 open end of case is converted；
No.1 motor is fixed on First Speed sensor by No.1 motor mount and shoots in case 5, and No.1 motor turns
Moving axis is mobile by No.1 transmission mechanism control No.1 translation door；
The rotating signal output end of the wheel detector 3 is connected with the rotating signal input terminal of No.1 motor.
In the present embodiment, No.1 translation door is blocked in the open end of First Speed sensor shooting case 5, No.1 translation
After controlling device for doors is by receiving rotating signal, No.1 translation door is opened, internal camera starts to image, one after camera shooting
Number translation door is returned to the open end state of starting blocked in First Speed sensor shooting case 5, realizes and passes to First Speed
Sensor shoots the protection of the camera inside case 5.
Specific embodiment 7: present embodiment is to a kind of locomotive speed sensor figure described in specific embodiment one
As filming apparatus further limits, in the present embodiment, the second speed sensor shooting case 6 be equipped with No. two translation doors and
No. two translation controlling device for doors；
No. two translation controlling device for doors include No. two motors, No. two motor mounts, No. two transmission mechanisms and No. two
Guide rail；
The open end of second speed sensor shooting case 6 is arranged in No. two guide rails；No. two translation doors are sliding along No. two guide rails
Dynamic unlatching and closure to realize second speed sensor shooting 6 open end of case is converted；
No. two motors are fixed on second speed sensor by No. two motor mounts and shoot in case 6, turn of No. two motors
Moving axis is mobile by No. two translation doors of No. two transmission mechanism controls；
The rotating signal output end of the wheel detector 3 is connected with the rotating signal input terminal of No. two motors.
In the present embodiment, No. two translation doors are blocked in the open end of second speed sensor shooting case 6, No. two translations
After controlling device for doors is by receiving rotating signal, No. two translation doors are opened, internal camera starts to image, two after camera shooting
Number translation door is returned to the open end state of starting blocked in second speed sensor shooting case 6, realizes and passes to second speed
Sensor shoots the protection of the camera inside case 6.
Specific embodiment 8: present embodiment is to a kind of locomotive speed sensor figure described in specific embodiment two
As filming apparatus further limits, in the present embodiment, the license number shooting case 4 is equipped with No. three translation doors and No. three translation doors
Control device；
No. three translation controlling device for doors include No. three motors, No. three motor mounts, No. three transmission mechanisms and No. three
Guide rail；
The open end of license number shooting case 4 is arranged in No. three guide rails；No. three translation doors are along No. three guide rail slidings to realize vehicle
Number shooting 4 open end of case unlatching and closure convert；
No. three motors are fixed on license number by No. three motor mounts and shoot in case 4, and the rotation axis of No. three motors passes through three
No. three translation doors of number transmission mechanism control are mobile.
In the present embodiment, No. three translation doors are blocked in the open end of license number shooting case 4, No. three translation controlling device for doors
After receiving rotating signal, No. three translation doors are opened, internal camera starts to image, and No. three translation doors return after camera shooting
The multiple open end state blocked in license number shooting case 4 to starting, realizes the protection to the camera inside license number shooting case 4.
Claims (8)
1. a kind of locomotive speed sensor image capturing device, which is characterized in that the filming apparatus include wheel detector (3),
First Speed sensor shoots case (5) and second speed sensor shooting case (6)；
First Speed sensor shooting case (5) and second speed sensor shooting case (6) are separately positioned on the left and right two of rail (2)
Side；It is respectively side case that First Speed sensor, which shoots case (5) and second speed sensor shooting case (6),；
Wheel detector (3) is arranged on the side wall of rail (2) to obtain the vehicle speed information and wheelbase information of locomotive, and guarantees
After locomotive preferentially passes through wheel detector (3), then pass through First Speed sensor shooting case (5) and the shooting of second speed sensor
Case (6)；
Camera is respectively equipped in First Speed sensor shooting case (5) and second speed sensor shooting case (6)；First Speed passes
The camera in camera and second speed sensor shooting case (6) in sensor shooting case (5) is respectively used to shooting and is located at locomotive two
The velocity sensor of side.
2. a kind of locomotive speed sensor image capturing device according to claim 1, which is characterized in that the filming apparatus
It further include license number shooting case (4)；
Rail (2) side of locomotive direction of advance is arranged in license number shooting case (4)；
License number, which is shot, is equipped with camera in case (4)；Camera in license number shooting case (4) is used to shoot the license number of locomotive.
3. a kind of locomotive speed sensor image capturing device according to claim 1, which is characterized in that First Speed passes
The bottom end of sensor shooting case (5) and second speed sensor shooting case (6) bottom end are respectively equipped with built-in fitting.
4. a kind of locomotive speed sensor image capturing device according to claim 1 or 2, which is characterized in that the work
Industry camera is line-scan digital camera, 3D camera or area array cameras.
5. a kind of locomotive speed sensor image capturing device according to claim 1 or 2, which is characterized in that the phase
Machine is furnished with compensatory light and camera protective device.
6. a kind of locomotive speed sensor image capturing device according to claim 1, which is characterized in that first speed
It spends sensor shooting case (5) and is equipped with No.1 translation door and No.1 translation controlling device for doors；
The No.1 translation controlling device for doors includes No.1 motor, No.1 motor mount, No.1 transmission mechanism and No.1 guide rail；
The setting of No.1 guide rail is in the open end of First Speed sensor shooting case (5)；No.1 translation door is slided along No.1 guide rail
To realize that the unlatching and closure of First Speed sensor shooting case (5) open end are converted；
No.1 motor is fixed in First Speed sensor shooting case (5) by No.1 motor mount, the rotation of No.1 motor
Axis is mobile by No.1 transmission mechanism control No.1 translation door；
The rotating signal output end of the wheel detector (3) is connected with the rotating signal input terminal of No.1 motor.
7. a kind of locomotive speed sensor image capturing device according to claim 1, which is characterized in that second speed
It spends sensor shooting case (6) and is equipped with No. two translation doors and No. two translation controlling device for doors；
No. two translation controlling device for doors include No. two motors, No. two motor mounts, No. two transmission mechanisms and No. two guide rails；
No. two guide rail settings are in the open end of second speed sensor shooting case (6)；No. two translation doors are slided along No. two guide rails
To realize that the unlatching and closure of second speed sensor shooting case (6) open end are converted；
No. two motors are fixed in second speed sensor shooting case (6) by No. two motor mounts, the rotation of No. two motors
Axis is mobile by No. two translation doors of No. two transmission mechanism controls；
The rotating signal output end of the wheel detector (3) is connected with the rotating signal input terminal of No. two motors.
8. a kind of locomotive speed sensor image capturing device according to claim 2, which is characterized in that the license number is clapped
Case (4) are taken the photograph equipped with No. three translation doors and No. three translation controlling device for doors；
No. three translation controlling device for doors include No. three motors, No. three motor mounts, No. three transmission mechanisms and No. three guide rails；
No. three guide rail settings are in the open end of license number shooting case (4)；No. three translation doors are along No. three guide rail slidings to realize license number
The unlatching and closure for shooting case (4) open end are converted；
No. three motors are fixed in license number shooting case (4) by No. three motor mounts, and the rotation axis of No. three motors passes through No. three
No. three translation doors of transmission mechanism control are mobile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910736133.8A CN110346606B (en) | 2019-08-09 | 2019-08-09 | Locomotive speed sensor image shooting device |
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|---|---|---|---|
| CN201910736133.8A CN110346606B (en) | 2019-08-09 | 2019-08-09 | Locomotive speed sensor image shooting device |
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Cited By (3)
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| CN111623716A (en) * | 2020-07-08 | 2020-09-04 | 哈尔滨市科佳通用机电股份有限公司 | Dynamic detection device and detection method for diameter size of truck wheel |
| CN111649770A (en) * | 2020-06-18 | 2020-09-11 | 哈尔滨市科佳通用机电股份有限公司 | Device and method for detecting customs lock of railway wagon |
| CN111751569A (en) * | 2020-06-24 | 2020-10-09 | 哈尔滨市科佳通用机电股份有限公司 | Wheel sensor performance detection device, system and method |
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