CN106197515A - The detecting system of a kind of instrument pointer amount of jitter and detection method thereof - Google Patents
The detecting system of a kind of instrument pointer amount of jitter and detection method thereof Download PDFInfo
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- CN106197515A CN106197515A CN201610486491.4A CN201610486491A CN106197515A CN 106197515 A CN106197515 A CN 106197515A CN 201610486491 A CN201610486491 A CN 201610486491A CN 106197515 A CN106197515 A CN 106197515A
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- instrument
- camera
- 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 detecting system and the detection method thereof of a kind of instrument pointer amount of jitter, including for realizing the power supply to instrument and the detection equipment of pointer state setting, instrument, for detecting the instrument clamping tooling of fixing instrument, test cable, also include light source, camera clamping tooling, camera cable, industrial camera and computer, industrial camera is connected with computer by camera cable, camera clamping tooling is arranged on instrument clamping tooling, light source is arranged between instrument and industrial camera, industrial camera is arranged on camera clamping tooling；Industrial camera Real-time Collection instrument panel image, and be uploaded to computer and be analyzed, camera clamping tooling realizes the fixing of industrial camera and Focussing, camera cable realizes power supply and the image transmitting of industrial camera, the image that industrial camera collection is uploaded by computer is analyzed in real time, calculates pointer amount of jitter.
Description
Technical field
The present invention relates to aeronautical product maintenance technique field, the detection of a kind of instrument pointer amount of jitter
System and detection method thereof.
Background technology
In Aeronautic Equipment Repair enterprise, for instrument pointer amount of jitter, all there are strict requirements, and such as certain type is met an urgent need
Horizon table technical requirement horizon amount of jitter should be not more than ± 0.15mm.And current detection method is the most visually surveyed
Amount, the operation of general detection method is described as follows: under lighting condition kilter, human eye right-angle view table at distance dial plate 0.6m
Dish horizon, should be without substantially beating.This detection method lacks quantitatively for test environment, human eye state, the determination of testing standard
Standard, is difficult to when practical operation accurately judge whether pointer amount of jitter meets technical specification.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provides detecting system and the inspection thereof of a kind of instrument pointer amount of jitter
Survey method.
The present invention solves its technical problem and realizes by the following technical solutions:
The detecting system of a kind of instrument pointer amount of jitter, including for realizing the power supply to instrument and pointer shape
Detection equipment that state sets, instrument, for detecting the instrument clamping tooling of fixing instrument, test cable, meter jaw
Holding frock and can give instrument setting angle and buzzing vibration, detection equipment is for realizing the power supply to instrument and referring to
The setting of needle-like state, also includes light source, camera clamping tooling, camera cable, industrial camera and computer, and described industrial camera leads to
Crossing camera cable to be connected with computer, described camera clamping tooling is arranged on instrument clamping tooling, and described light source is arranged in boat
Between empty instrument and industrial camera, light source guarantees that industrial camera gathers picture rich in detail, and described industrial camera is arranged on camera clamping
In frock；Described industrial camera Real-time Collection instrument panel image, and be uploaded to computer and be analyzed, camera clamping work
Dress realizes the fixing of industrial camera and Focussing, and camera cable realizes power supply and the image transmitting of industrial camera, computer pair
The image that industrial camera collection is uploaded is analyzed in real time, calculates pointer amount of jitter.The present invention is at traditional instrument
On the basis of detection equipment and fixing tool, have employed contactless design, it is achieved the clear collection of gauge pointer image, from
And complete accurate, real-time, the quantitative measurement to instrument pointer amount of jitter.
Described camera clamping tooling include fixed plate, screw one, upper end cover, sliding shoe, urceolus, sliding bar one, lining, under
End cap, nut one, sliding bar two, connecting plate, nut two, screw two, screw three, described connecting plate is fixed on instrument clamping tooling
On, sliding bar one is circumferentially evenly distributed in the one end on connecting plate away from instrument clamping tooling, sliding bar one
One end is all connected by nut two with connecting plate, and the other end of sliding bar one is slidably connected with bottom end cover by lining respectively, institute
The one end stating urceolus is weldingly fixed on the middle part of bottom end cover, and the other end of described urceolus is welded and fixed with upper end cover, described fixing
Plate is arranged on upper end cover, and industrial camera is arranged in fixed plate by fixing screw one, one end of described sliding bar two and company
The middle part of fishplate bar is connected, and nut one is arranged on sliding bar two by the way of threaded engagement, and described sliding shoe slides with urceolus
Coordinate.
A kind of detection method of instrument pointer amount of jitter detecting system, described method step is as follows:
The first step: instrument is fixed on instrument clamping tooling by duty, and detect equipment with instrument
Cable is connected；
Second step: light source and industrial camera are fixed on camera clamping tooling, installs camera clamping tooling extremely subsequently
On instrument clamping tooling, and guarantee that camera lens keeps consistent with instrument panel axis；
3rd step: camera data line is connected with computer interface；
4th step: system electrification, supplies upper corresponding power supply including to detection equipment, computer, industrial camera, light source；
5th step: by instrument performance checking technological requirement, set each on off state of detection equipment, 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, ejects industrial camera monitored picture,
Focus by adjusting industrial camera position on camera clamping tooling, it is ensured that monitored picture understands；
7th step: the instrument pointer amount of jitter test program on computer automatically to gather monitored picture carry out by
Frame is analyzed, is calculated, and confirms instrument pointer real time position data, is added up by multi-group data, draw instrument pointer
Upper-lower Limit state position data, both subtract each other the actual amount of jitter i.e. obtaining instrument pointer.
The analysis frame by frame of this detecting step monitored picture described, calculate and include below scheme:
The first step: by camera acquisition per second 32 frame picture, obtains 10 seconds altogether, is deposited by the 320 frame pictures obtained
Storage；
Second step: extract the picture of storage, by extraction color plane, is filtered colour picture processing, i.e. to former
The collection image begun processes, and eliminates the sound pollution that image comprises；
3rd step: the picture after processing is carried out gray scale setting, it is achieved image edge information strengthens, and makes pointer scale region
Become obvious with the boundary of background area, it is easy to follow-up analysis；
4th step: carry out circular edge and search and measure, obtain the radius Pixel Information of used by aviation instrument panel, with instrument
The actual size information of dish combines, and obtains the actual physics length value of each pixel of picture；
5th step: carry out Model Matching, finds the pointer in used by aviation instrument panel and the state of graduation mark and positional information, and
XY axial plane coordinate system is set up with graduation mark；
6th step: summary metrical information, draws the plane Y coordinate information of pointer, is the pointer that this picture shows
Indicated value；
7th step: be analyzed as stated above 320 frame pictures one by one calculating, finally draw the finger of each picture pointer
Indicating value, sets up array, by the difference of the bound of array, is the amount of jitter of instrument pointer.
The invention has the beneficial effects as follows:
Instant invention overcomes the tradition visual inspection problems such as judge process is fuzzy, qualitative, error is big, it is achieved that to aviation instrument
Accurate, real-time, the quantitative measurement of list index amount of jitter, is effectively improved the detection quality of instrument.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is Cleaning Principle figure of the prior art；
Fig. 2 is the overall structure schematic diagram of the present invention；
Fig. 3 is the structural representation of the camera clamping tooling of the present invention；
Fig. 4 is the A direction view of Fig. 3 of the present invention；
Fig. 5 be the monitored picture of the present invention analyze frame by frame, calculation process schematic diagram.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and beneficial effect clearer, below in conjunction with accompanying 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, the detecting system of a kind of instrument pointer amount of jitter, including for realizing aviation instrument
Detection equipment that the power supply of table and pointer state set, instrument, for detect fixing instrument instrument clamping tooling,
Test cable, instrument clamping tooling can give instrument setting angle and buzzing vibration, and detection equipment is for realizing boat
The power supply of empty instrument and the setting of pointer state, also include light source, camera clamping tooling, camera cable, industrial camera and calculating
Machine, described industrial camera is connected with computer by camera cable, and described camera clamping tooling is arranged on instrument clamping tooling,
Described light source is arranged between instrument and industrial camera, and light source guarantees that industrial camera gathers picture rich in detail, described industry phase
Machine is arranged on camera clamping tooling；Described industrial camera Real-time Collection instrument panel image, and be uploaded to computer and enter
Row is analyzed, and camera clamping tooling realizes the fixing of industrial camera and Focussing, camera cable realize industrial camera power supply and
Image transmitting, the image that industrial camera collection is uploaded by computer is analyzed in real time, calculates pointer amount of jitter.The present invention exists
On the basis of the detection equipment of traditional instrument and fixing tool, have employed contactless design, it is achieved gauge pointer
The clear collection of image, thus complete accurate, real-time, the quantitative measurement to instrument pointer amount of jitter.
Described camera clamping tooling include fixed plate 1, screw 1, upper end cover 3, sliding shoe 4, urceolus 5, sliding bar 1,
Lining 7, bottom end cover 8, nut 1, sliding bar 2 10, connecting plate 11, nut 2 12, screw 2 13, screw 3 14, described connection
Plate 11 is fixed on instrument clamping tooling, and sliding bar 1 is circumferentially evenly distributed on connecting plate 11 away from instrument
One end of clamping tooling, one end of sliding bar 1 is all connected by nut 2 12 with connecting plate 11, the other end of sliding bar 1
Being slidably connected with bottom end cover 8 by lining 7 respectively, one end of described urceolus 5 is weldingly fixed on the middle part of bottom end cover 8, described outside
The other end of cylinder 5 is welded and fixed with upper end cover 3, and described fixed plate 1 is arranged on upper end cover 3, and industrial camera is by fixing screw
One 2 are arranged in fixed plate 1, and one end of described sliding bar 2 10 is connected with the middle part of connecting plate 11, and nut 1 is joined by screw thread
The mode closed is arranged on sliding bar 2 10, and described sliding shoe 4 is slidably matched with urceolus 5.
A kind of detection method of instrument pointer amount of jitter detecting system, described method step is as follows:
The first step: instrument is fixed on instrument clamping tooling by duty, and detect equipment with instrument
Cable is connected；
Second step: light source and industrial camera are fixed on camera clamping tooling, installs camera clamping tooling extremely subsequently
On instrument clamping tooling, and guarantee that camera lens keeps consistent with instrument panel axis；
3rd step: camera data line is connected with computer interface；
4th step: system electrification, supplies upper corresponding power supply including to detection equipment, computer, industrial camera, light source；
5th step: by instrument performance checking technological requirement, set each on off state of detection equipment, 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, ejects industrial camera monitored picture,
Focus by adjusting industrial camera position on camera clamping tooling, it is ensured that monitored picture understands；
7th step: the instrument pointer amount of jitter test program on computer automatically to gather monitored picture carry out by
Frame is analyzed, is calculated, and confirms instrument pointer real time position data, is added up by multi-group data, draw instrument pointer
Upper-lower Limit state position data, both subtract each other the actual amount of jitter i.e. obtaining instrument pointer.
The analysis frame by frame of this detecting step monitored picture described, calculate and include below scheme:
The first step: by camera acquisition per second 32 frame picture, obtains 10 seconds altogether, is deposited by the 320 frame pictures obtained
Storage；
Second step: extract the picture of storage, by extraction color plane, is filtered colour picture processing, i.e. to former
The collection image begun processes, and eliminates the sound pollution that image comprises；
3rd step: the picture after processing is carried out gray scale setting, it is achieved image edge information strengthens, and makes pointer scale region
Become obvious with the boundary of background area, it is easy to follow-up analysis；
4th step: carry out circular edge and search and measure, obtain the radius Pixel Information of used by aviation instrument panel, with instrument
The actual size information of dish combines, and obtains the actual physics length value of each pixel of picture；
5th step: carry out Model Matching, finds the pointer in used by aviation instrument panel and the state of graduation mark and positional information, and
XY axial plane coordinate system is set up with graduation mark；
6th step: summary metrical information, draws the plane Y coordinate information of pointer, is the pointer that this picture shows
Indicated value；
7th step: be analyzed as stated above 320 frame pictures one by one calculating, finally draw the finger of each picture pointer
Indicating value, sets up array, by the difference of the bound of array, is the amount of jitter of instrument pointer.
Finally illustrate, preferred embodiment above only in order to technical scheme to be described and unrestricted, although logical
Cross above preferred embodiment the present invention to be described in detail, it is to be understood by those skilled in the art that can be
In form and it is made various change, without departing from claims of the present invention limited range in details.
Claims (4)
1. a detecting system for instrument pointer amount of jitter, including for realizing the power supply to instrument and pointer state
The detection equipment that sets, instrument, for detecting the instrument clamping tooling of fixing instrument, test cable, its feature exists
In:
Also including light source, camera clamping tooling, camera cable, industrial camera and computer, described industrial camera is by dynamo-electric mutually
Cable is connected with computer, and described camera clamping tooling is arranged on instrument clamping tooling, described light source be arranged in instrument with
Between industrial camera, described industrial camera is arranged on camera clamping tooling；Described industrial camera Real-time Collection instrument face
Plate image, and be uploaded to computer and be analyzed, camera clamping tooling realizes the fixing of industrial camera and Focussing, dynamo-electric mutually
Cable realizes power supply and the image transmitting of industrial camera, and the image that industrial camera collection is uploaded by computer is analyzed in real time, solves
Calculate pointer amount of jitter.
The detecting system of a kind of instrument pointer amount of jitter the most according to claim 1, it is characterised in that: described camera
Clamping tooling includes fixed plate (1), screw one (2), upper end cover (3), sliding shoe (4), urceolus (5), sliding bar one (6), lining
(7), bottom end cover (8), nut one (9), sliding bar two (10), connecting plate (11), nut two (12), screw two (13), screw three
(14), described connecting plate (11) is fixed on instrument clamping tooling, sliding bar one (6) the circumferentially company of being evenly distributed in
Away from one end of instrument clamping tooling on fishplate bar (11), nut two is all passed through with connecting plate (11) in one end of sliding bar one (6)
(12) being connected, the other end of sliding bar one (6) is slidably connected with bottom end cover (8) by lining (7) respectively, described urceolus (5)
One end is weldingly fixed on the middle part of bottom end cover (8), and the other end of described urceolus (5) is welded and fixed with upper end cover (3), described fixing
Plate (1) is arranged on upper end cover (3), and industrial camera is arranged in fixed plate (1) by fixing screw one (2), described sliding bar
One end of two (10) is connected with the middle part of connecting plate (11), and nut one (9) is arranged on sliding bar two by the way of threaded engagement
(10), on, described sliding shoe (4) is slidably matched with urceolus (5).
The detection method of a kind of instrument pointer amount of jitter detecting system the most according to any one of claim 1 to 2,
It is characterized in that: described method step is as follows:
The first step: instrument is fixed on instrument clamping tooling by duty, and detect equipment cable with instrument
It is connected；
Second step: light source and industrial camera are fixed on camera clamping tooling, installs camera clamping tooling to instrument subsequently
On clamping tooling, and guarantee that camera lens keeps consistent with instrument panel axis；
3rd step: camera data line is connected with computer interface；
4th step: system electrification, supplies upper corresponding power supply including to detection equipment, computer, industrial camera, light source；
5th step: by instrument performance checking technological requirement, set each on off state of detection equipment, it is ensured that instrument enters
Enter panel state to be checked；
6th step: start computer, ejects industrial camera monitored picture, by adjusting industrial camera on camera clamping tooling
Focus in position, it is ensured that monitored picture understands；
7th step: the monitored picture gathered is divided by instrument pointer amount of jitter test program on computer automatically frame by frame
Analysis, calculating, confirmed instrument pointer real time position data, added up by multi-group data, draw the upper and lower of instrument pointer
Limit state position data, both subtract each other the actual amount of jitter i.e. obtaining instrument pointer.
The detection method of a kind of instrument pointer amount of jitter detecting system the most according to claim 3, it is characterised in that:
The analysis frame by frame of this detecting step monitored picture described, calculate and include below scheme:
The first step: by camera acquisition per second 32 frame picture, obtains 10 seconds altogether, is stored by the 320 frame pictures obtained；
Second step: extract the picture of storage, by extraction color plane, is filtered colour picture processing；
3rd step: the picture after processing is carried out gray scale setting, it is achieved image edge information strengthens；
4th step: carry out circular edge and search and measure, obtain the radius Pixel Information of used by aviation instrument panel, with used by aviation instrument panel
Actual size information combines, and obtains the actual physics length value of each pixel of picture；
5th step: carry out Model Matching, finds the pointer in used by aviation instrument panel and the state of graduation mark and positional information, and to carve
XY axial plane coordinate system set up by degree line；
6th step: summary metrical information, draws the plane Y coordinate information of pointer, is the pointer instruction that this picture shows
Value；
7th step: be analyzed as stated above 320 frame pictures one by one calculating, finally draw the instruction of each picture pointer
Value, sets up array, by the difference of the bound of array, is the amount of jitter of instrument pointer.
Priority Applications (1)
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 true CN106197515A (en) | 2016-12-07 |
| CN106197515B CN106197515B (en) | 2018-08-31 |
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| CN108801140A (en) * | 2018-06-20 | 2018-11-13 | 广东工业大学 | A kind of sliding door jack value measuring device and method |
| CN115310870A (en) * | 2022-09-29 | 2022-11-08 | 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 |
| CN117470292A (en) * | 2023-10-17 | 2024-01-30 | 宁波博信电器有限公司 | Instrument detection method, system, intelligent terminal and storage medium |
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| CN106197515B (en) | 2018-08-31 |
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