CN106197515B - A kind of detecting system and its detection method of instrument pointer amount of jitter - Google Patents
A kind of detecting system and its detection method of instrument pointer amount of jitter Download PDFInfo
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- CN106197515B CN106197515B CN201610486491.4A CN201610486491A CN106197515B CN 106197515 B CN106197515 B CN 106197515B CN 201610486491 A CN201610486491 A CN 201610486491A CN 106197515 B CN106197515 B CN 106197515B
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- instrument
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- pointer
- clamping tooling
- industrial camera
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of detecting systems and its detection method of instrument pointer amount of jitter, it include the detection device for realizing power supply and pointer state setting to instrument, instrument, instrument clamping tooling for detecting fixed instrument, test cable, it further include light source, camera clamping tooling, camera cable, industrial camera and computer, industrial camera is connected by camera cable with computer, camera clamping tooling is mounted on instrument clamping tooling, light source is arranged between instrument and industrial camera, industrial camera is mounted on camera clamping tooling；Industrial camera acquires instrument panel image in real time, and it is uploaded to computer and is analyzed, camera clamping tooling realizes fixation and the Focussing of industrial camera, camera cable realizes power supply and the image transmitting of industrial camera, the image that computer uploads industrial camera acquisition is analyzed in real time, calculates pointer amount of jitter.
Description
Technical field
The present invention relates to aeronautical product maintenance technique field, specifically a kind of detection of instrument pointer amount of jitter
System and its detection method.
Background technology
In Aeronautic Equipment Repair enterprise, for instrument pointer amount of jitter, there are strict requirements, such as certain type is emergent
Horizon table technical requirement horizon amount of jitter should be not more than ± 0.15mm.And current detection method is predominantly visually surveyed
Amount, general detection method operation are described as follows：Under lighting condition kilter, the human eye right-angle view table at dial plate 0.6m
Disk horizon, should be without apparent bounce.The detection method lacks the determination of test environment, human eye state, testing standard quantitative
Standard is difficult to accurately judge whether pointer amount of jitter meets technical indicator in practical operation.
Invention content
In order to solve the above technical problem, the present invention provides a kind of detecting system of instrument pointer amount of jitter and its inspections
Survey method.
The present invention solves its technical problem using following technical scheme to realize：
A kind of detecting system of instrument pointer amount of jitter, include for realizing to instrument power supply and pointer shape
Detection device, instrument, instrument clamping tooling, the test cable for detecting fixed instrument of state setting, meter jaw
Hold tooling can give instrument setting angle and buzzing vibration, detection device for realizing to instrument power supply and refer to
The setting of needle-shaped state, further includes light source, camera clamping tooling, camera cable, industrial camera and computer, and the industrial camera is logical
It crosses camera cable with computer to be connected, the camera clamping tooling is mounted on instrument clamping tooling, and the light source is arranged in boat
Between empty instrument and industrial camera, light source ensures that industrial camera acquires clear image, and the industrial camera is clamped mounted on camera
In tooling；The industrial camera acquires instrument panel image in real time, and is uploaded to computer and is analyzed, and work is clamped in camera
Dress realizes that fixation and the Focussing of industrial camera, camera cable realize power supply and the image transmitting of industrial camera, computer pair
The image that industrial camera acquisition uploads is analyzed in real time, calculates pointer amount of jitter.The present invention is in traditional instrument
On the basis of detection device and fixing tool, contactless design is used, realizes the clear acquisition of gauge pointer image, from
And complete accurate, the real-time, quantitative measurment to instrument pointer amount of jitter.
The camera clamping tooling include fixed plate, screw one, upper end cover, sliding shoe, outer barrel, sliding bar one, bushing, under
End cap, nut one, sliding bar two, connecting plate, nut two, screw two, screw three, the connecting plate are fixed on instrument clamping tooling
On, sliding bar one is circumferentially evenly distributed in one end far from instrument clamping tooling on connecting plate, sliding bar one
One end is connected with connecting plate by nut two, and the other end of sliding bar one is slidably connected by bushing and bottom end cover respectively, institute
The one end for stating outer barrel is weldingly fixed on the middle part of bottom end cover, and the other end and the upper end cover of the outer barrel are welded and fixed, the fixation
Plate is mounted on upper end cover, and industrial camera is mounted on by fixing screws one in fixed plate, one end of the sliding bar two and company
The middle part of fishplate bar is connected, and nut one is mounted on by way of screw-thread fit on sliding bar two, and the sliding shoe is slided with outer barrel
Cooperation.
A kind of detection method of instrument pointer shake amount detection systems, steps are as follows for the method：
The first step：Instrument is fixed to by working condition on instrument clamping tooling, and with instrument detection device
Cable is connected；
Second step：Light source and industrial camera are fixed on camera clamping tooling, then by camera clamping tooling install to
On instrument clamping tooling, and ensure that camera lens are consistent with instrument panel axis；
Third walks：Camera data line is connect with computer interface；
4th step：System electrification, including detection device, computer, industrial camera, light source is given to supply upper corresponding power supply；
5th step：By instrument performance checking technological requirement, each on off state of detection device is set, it is ensured that aviation instrument
Table enters panel state to be checked；
6th step：Start the instrument pointer amount of jitter test program on computer, pop up industrial camera monitored picture,
It focuses by adjusting position of the industrial camera on camera clamping tooling, ensures that monitored picture understands；
7th step：Instrument pointer amount of jitter test program on computer automatically to the monitored picture of acquisition carry out by
Frame analysis calculates, and confirms instrument pointer real time position data, is counted by multi-group data, obtain instrument pointer
Upper-lower Limit state position data, the two subtract each other the actual amount of jitter up to instrument pointer.
Analysis frame by frame, the calculating of the detecting step monitored picture include following below scheme：
The first step：By camera 32 frame pictures of acquisition per second, obtains 10 seconds altogether, 320 frame pictures of acquisition are deposited
Storage；
Second step：Color image is filtered, i.e., by extracting color plane to original by the picture for extracting storage
The acquisition image of beginning is handled, and the noise pollution that image includes is eliminated；
Third walks：To treated, picture carries out gray scale setting, realizes image edge information enhancing, makes pointer scale region
Become apparent with the boundary of background area, is easy to subsequent analysis；
4th step：It carries out circular edge to search and measure, the radius Pixel Information of used by aviation instrument panel is obtained, with instrument
The actual size information of disk combines, and obtains the actual physics length value of each pixel of picture；
5th step：Model Matching is carried out, the state and location information of the pointer and graduation mark in used by aviation instrument panel are found, and
XY axial plane coordinate systems are established with graduation mark；
6th step：In summary metrical information obtains the plane Y coordinate information of pointer, the pointer that as picture is shown
Indicated value；
7th step：Analysis calculating is carried out as stated above to 320 frame pictures one by one, finally obtains the finger of pointer in each picture
Indicating value establishes array, passes through the difference of the bound of array, the as amount of jitter of instrument pointer.
The beneficial effects of the invention are as follows：
It the problems such as fuzzy, qualitative, error is big the present invention overcomes tradition visual inspection deterministic process, realizes to aviation instrument
The accurate, real-time of list index amount of jitter, quantitative measurment effectively improve the detection quality of instrument.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is detection principle diagram in the prior art；
Fig. 2 is the overall structure diagram of the present invention；
Fig. 3 is the structural schematic diagram of the camera clamping tooling of the present invention；
Fig. 4 is the A direction views of Fig. 3 of the present invention；
Fig. 5 be the present invention monitored picture analyze frame by frame, calculation process schematic diagram.
Specific implementation mode
In order to keep the purpose of the present invention, technical solution and advantageous effect clearer, below in conjunction with attached drawing, to the present invention
Preferred embodiment be described in detail, the present invention will be further described, to facilitate the technical staff to understand.
As shown in Figures 1 to 5, a kind of detecting system of instrument pointer amount of jitter, including for realizing to aviation instrument
The power supply of table and pointer state setting detection device, instrument, the instrument clamping tooling for detecting fixed instrument,
Test cable, instrument clamping tooling can give instrument setting angle and buzzing vibration, and detection device is for realizing to boat
The power supply of empty instrument and the setting of pointer state further include light source, camera clamping tooling, camera cable, industrial camera and calculating
Machine, the industrial camera are connected by camera cable with computer, and the camera clamping tooling is mounted on instrument clamping tooling,
The light source is arranged between instrument and industrial camera, and light source ensures that industrial camera acquires clear image, the industry phase
Machine is mounted on camera clamping tooling；The industrial camera acquires instrument panel image in real time, and be uploaded to computer into
Row analysis, camera clamping tooling realize industrial camera fixation and Focussing, camera cable realize industrial camera power supply and
Image transmitting, the image that computer uploads industrial camera acquisition are analyzed in real time, calculate pointer amount of jitter.The present invention exists
On the basis of the detection device and fixing tool of traditional instrument, contactless design is used, realizes gauge pointer
The clear acquisition of image, to complete accurate, the real-time, quantitative measurment to instrument pointer amount of jitter.
The camera clamping tooling include fixed plate 1, screw 1, upper end cover 3, sliding shoe 4, outer barrel 5, sliding bar 1,
Bushing 7, bottom end cover 8, nut 1, sliding bar 2 10, connecting plate 11, nut 2 12, screw 2 13, screw 3 14, the connection
Plate 11 is fixed on instrument clamping tooling, and sliding bar 1 is circumferentially evenly distributed on connecting plate 11 far from instrument
One end of one end of clamping tooling, sliding bar 1 is connected with connecting plate 11 by nut 2 12, the other end of sliding bar 1
It is slidably connected respectively by bushing 7 and bottom end cover 8, one end of the outer barrel 5 is weldingly fixed on the middle part of bottom end cover 8, described outer
The other end of cylinder 5 is welded and fixed with upper end cover 3, and the fixed plate 1 is mounted on upper end cover 3, and industrial camera passes through fixing screws
One 2 are mounted in fixed plate 1, and one end of the sliding bar 2 10 is connected with the middle part of connecting plate 11, and nut 1 is matched by screw thread
The mode of conjunction is mounted on sliding bar 2 10, and the sliding shoe 4 is slidably matched with outer barrel 5.
A kind of detection method of instrument pointer shake amount detection systems, steps are as follows for the method：
The first step：Instrument is fixed to by working condition on instrument clamping tooling, and with instrument detection device
Cable is connected；
Second step：Light source and industrial camera are fixed on camera clamping tooling, then by camera clamping tooling install to
On instrument clamping tooling, and ensure that camera lens are consistent with instrument panel axis；
Third walks：Camera data line is connect with computer interface；
4th step：System electrification, including detection device, computer, industrial camera, light source is given to supply upper corresponding power supply；
5th step：By instrument performance checking technological requirement, each on off state of detection device is set, it is ensured that aviation instrument
Table enters panel state to be checked；
6th step：Start the instrument pointer amount of jitter test program on computer, pop up industrial camera monitored picture,
It focuses by adjusting position of the industrial camera on camera clamping tooling, ensures that monitored picture understands；
7th step：Instrument pointer amount of jitter test program on computer automatically to the monitored picture of acquisition carry out by
Frame analysis calculates, and confirms instrument pointer real time position data, is counted by multi-group data, obtain instrument pointer
Upper-lower Limit state position data, the two subtract each other the actual amount of jitter up to instrument pointer.
Analysis frame by frame, the calculating of the detecting step monitored picture include following below scheme：
The first step：By camera 32 frame pictures of acquisition per second, obtains 10 seconds altogether, 320 frame pictures of acquisition are deposited
Storage；
Second step：Color image is filtered, i.e., by extracting color plane to original by the picture for extracting storage
The acquisition image of beginning is handled, and the noise pollution that image includes is eliminated；
Third walks：To treated, picture carries out gray scale setting, realizes image edge information enhancing, makes pointer scale region
Become apparent with the boundary of background area, is easy to subsequent analysis；
4th step：It carries out circular edge to search and measure, the radius Pixel Information of used by aviation instrument panel is obtained, with instrument
The actual size information of disk combines, and obtains the actual physics length value of each pixel of picture；
5th step：Model Matching is carried out, the state and location information of the pointer and graduation mark in used by aviation instrument panel are found, and
XY axial plane coordinate systems are established with graduation mark；
6th step：In summary metrical information obtains the plane Y coordinate information of pointer, the pointer that as picture is shown
Indicated value；
7th step：Analysis calculating is carried out as stated above to 320 frame pictures one by one, finally obtains the finger of pointer in each picture
Indicating value establishes array, passes through the difference of the bound of array, the as amount of jitter of instrument pointer.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (3)
1. a kind of detecting system of instrument pointer amount of jitter, include for realizing to instrument power supply and pointer state
Detection device, instrument, instrument clamping tooling, the test cable for detecting fixed instrument of setting, feature exist
In：
Further include light source, camera clamping tooling, camera cable, industrial camera and computer, the industrial camera passes through mutually electromechanical
Cable is connected with computer, the camera clamping tooling be mounted on instrument clamping tooling on, the light source be arranged in instrument with
Between industrial camera, the industrial camera is mounted on camera clamping tooling；The industrial camera acquires instrument face in real time
Plate image, and be uploaded to computer and analyzed, camera clamping tooling realizes fixation and the Focussing of industrial camera, mutually electromechanical
Cable realizes that power supply and the image transmitting of industrial camera, the image that computer uploads industrial camera acquisition are analyzed, solved in real time
Calculate pointer amount of jitter；
The camera clamping tooling includes fixed plate (1), screw one (2), upper end cover (3), sliding shoe (4), outer barrel (5), sliding
Bar one (6), bushing (7), bottom end cover (8), nut one (9), sliding bar two (10), connecting plate (11), nut two (12), screw two
(13), screw three (14), the connecting plate (11) are fixed on instrument clamping tooling, and sliding bar one (6) is circumferentially equal
Even one end being distributed in far from instrument clamping tooling on connecting plate (11), one end of sliding bar one (6) with connecting plate (11)
It is connected by nut two (12), the other end of sliding bar one (6) is slidably connected by bushing (7) and bottom end cover (8) respectively, described
One end of outer barrel (5) is weldingly fixed on the middle part of bottom end cover (8), and the other end of the outer barrel (5) and upper end cover (3) welding are solid
Fixed, the fixed plate (1) is mounted on upper end cover (3), and industrial camera is mounted on by fixing screws one (2) in fixed plate (1),
One end of the sliding bar two (10) is connected with the middle part of connecting plate (11), and nut one (9) is installed by way of screw-thread fit
On sliding bar two (10), the sliding shoe (4) is slidably matched with outer barrel (5).
2. a kind of detection method of instrument pointer shake amount detection systems according to claim 1, it is characterised in that：
Steps are as follows for the method：
The first step：Instrument is fixed to by working condition on instrument clamping tooling, and with instrument detection device cable
It is connected；
Second step：Light source and industrial camera are fixed on camera clamping tooling, then installed camera clamping tooling to instrument
On clamping tooling, and ensure that camera lens are consistent with instrument panel axis；
Third walks：Camera data line is connect with computer interface；
4th step：System electrification, including detection device, computer, industrial camera, light source is given to supply upper corresponding power supply；
5th step：By instrument performance checking technological requirement, set each on off state of detection device, it is ensured that instrument into
Enter panel state to be checked；
6th step：Start computer, industrial camera monitored picture is popped up, by adjusting industrial camera on camera clamping tooling
Position is focused, and ensures that monitored picture understands；
7th step：Instrument pointer amount of jitter test program on computer automatically divides the monitored picture of acquisition frame by frame
Analysis calculates, and confirms instrument pointer real time position data, is counted by multi-group data, obtain the upper and lower of instrument pointer
Limiting condition position data, the two subtract each other the actual amount of jitter up to instrument pointer.
3. a kind of detection method of instrument pointer shake amount detection systems according to claim 2, it is characterised in that：
Analysis frame by frame, the calculating of the detecting step monitored picture include following below scheme：
The first step：By camera 32 frame pictures of acquisition per second, obtains 10 seconds altogether, 320 frame pictures of acquisition are stored；
Second step：Color image is filtered by the picture for extracting storage by extracting color plane；
Third walks：To treated, picture carries out gray scale setting, realizes image edge information enhancing；
4th step：It carries out circular edge to search and measure, the radius Pixel Information of used by aviation instrument panel is obtained, with used by aviation instrument panel
Actual size information combines, and obtains the actual physics length value of each pixel of picture；
5th step：Model Matching is carried out, finds the state and location information of the pointer and graduation mark in used by aviation instrument panel, and to carve
Degree line establishes XY axial plane coordinate systems；
6th step：In summary metrical information obtains the plane Y coordinate information of pointer, the pointer instruction that as picture is shown
Value；
7th step：Analysis calculating is carried out as stated above to 320 frame pictures one by one, finally obtains the instruction of pointer in each picture
Value, establishes array, passes through the difference of the bound of array, the as amount of jitter of instrument pointer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610486491.4A CN106197515B (en) | 2016-06-28 | 2016-06-28 | A kind of detecting system and its detection method of instrument pointer amount of jitter |
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| CN201610486491.4A CN106197515B (en) | 2016-06-28 | 2016-06-28 | A kind of detecting system and its detection method of instrument pointer amount of jitter |
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| CN106197515A CN106197515A (en) | 2016-12-07 |
| CN106197515B true CN106197515B (en) | 2018-08-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108801140B (en) * | 2018-06-20 | 2021-03-16 | 广东工业大学 | Device and method for detecting door moving jumping quantity |
| CN115310870B (en) * | 2022-09-29 | 2023-01-31 | 成都飞机工业（集团）有限责任公司 | Aviation discrete manufacturing quality monitoring method, device, equipment, medium and product |
| CN117470292B (en) * | 2023-10-17 | 2024-05-17 | 宁波博信电器有限公司 | Instrument detection method, system, intelligent terminal and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778587A (en) * | 2012-06-29 | 2012-11-14 | 惠州市德赛西威汽车电子有限公司 | Method and device for measuring shaking of meter indicating needle |
| CN104019844A (en) * | 2014-06-16 | 2014-09-03 | 哈尔滨工业大学 | Meter pointer jitter detection method based on fast Fourier transform |
| CN204425517U (en) * | 2015-02-09 | 2015-06-24 | 海南电网有限责任公司 | Meter reading device, video camera and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3514246B2 (en) * | 2001-03-30 | 2004-03-31 | ミノルタ株式会社 | Image processing system, server, image processing device, image processing device management method, program, recording medium |
| US7471767B2 (en) * | 2006-05-03 | 2008-12-30 | Siemens Medical Solutions Usa, Inc. | Systems and methods for determining image acquisition parameters |
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2016
- 2016-06-28 CN CN201610486491.4A patent/CN106197515B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778587A (en) * | 2012-06-29 | 2012-11-14 | 惠州市德赛西威汽车电子有限公司 | Method and device for measuring shaking of meter indicating needle |
| CN104019844A (en) * | 2014-06-16 | 2014-09-03 | 哈尔滨工业大学 | Meter pointer jitter detection method based on fast Fourier transform |
| CN204425517U (en) * | 2015-02-09 | 2015-06-24 | 海南电网有限责任公司 | Meter reading device, video camera and system |
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| CN106197515A (en) | 2016-12-07 |
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