CN207439430U - A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology - Google Patents
A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology Download PDFInfo
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- CN207439430U CN207439430U CN201721600201.0U CN201721600201U CN207439430U CN 207439430 U CN207439430 U CN 207439430U CN 201721600201 U CN201721600201 U CN 201721600201U CN 207439430 U CN207439430 U CN 207439430U
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- stent
- light filling
- identification
- machine vision
- pointer
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Abstract
The utility model discloses a kind of pointer instrument data identification based on Machine Vision Recognition Technology and acquisition systems, are made of circular top cover, camera, light filling ring, stent, earclip, velcro.Circular top cover is screwed with stent；Camera is screwed in cantilever tip；Light filling ring is connected with cantilever tip, becomes apparent from image obtained by shooting using light filling ring light filling；Earclip is connected with stent Basolateral；Velcro passes through earclip fixing bracket and meters under test.The utility model obtains dial plate image by camera, pass through Bresenham algorithms and Hough transform detection of straight lines algorithm again, dial scale and gauge pointer are extracted from image, then ratio is carried out to dial plate to divide equally, the ratio that pointer accounts for certain scale section is conversed again, minimum is closed on to product of the scale value plus the ratio value in scale section shared by scale section and pointer of scale, you can converse meter reading.
Description
Technical field
The utility model is related to the technical fields of machine recognition, particularly a kind of pointer based on Machine Vision Recognition Technology
Formula instrumented data identifies and acquisition system.
Background technology
The normal operation in the fields such as railway, factory be unable to do without the data of instrument offer.How to gather and supervise in time
It surveys instrumented data and is incorporated to intelligent control system and become for effective goal in research.
Only by taking the rolling stock section of Nanchang as an example, according to Nanchang rolling stock section calibrating room investigation obtained by information, every year there is over
12000 pieces of mechanical instrument need to carry out meter calibration processing into Nanchang rolling stock section.In chemical plant, kerosene factory, power plant
The fields of grade, it is also desirable to which substantial amounts of instrument measures some parameters.But most of instrument and meter of China's production at present is in
Mean level updates the defects of slow, poor reliability of product, properties of product are unstable, function falls behind there are product technology,
And the instrument cluster substantial amounts in China, the acquisition monitoring needs of data consume substantial amounts of manpower, material resources and financial resources.
A large amount of instrumented data acquisition methods are first manually to read instrument numerical value one by one at present, then by the data of acquisition one by one
It inputs in computer, then these data is analyzed and processed.Thereby result in a series of problems, such as speed is slow, time-consuming, error is big.
By taking Nanchang rolling stock section of Nanchang Railway Bureau as an example, wind table overhaul shop monthly needs the pointer vehicle wind of calibrating 4000 or so
Table.For its wind table verification process completely by manually reading and recording data one by one, workload is huge.And train operationally part number
According to monitoring and record be also by manually carrying out.Artificial reading generally existing data record efficiency is low, accuracy of reading is poor, easy
The hommizations problem such as fatigue, is slightly neglected, it is possible to be present with the mistakes such as data are omitted, deviation is excessive, so as to cause economy
On heavy losses, and manually reading can not carry out instrument cluster combined monitoring.Mechanical metered quantity is numerous, and category is numerous and diverse,
It is there are reading efficiency is low, low precision, it is impossible to continuously record data, it is difficult to while instrument cluster information is handled, calibrating reading is time-consuming
The shortcomings of laborious.
Although digital instrument reading is fast but major part does not reserve data-interface, difficult to its upgrading.Also
A little instrument can not also carry out electronic reformation due to limitations such as its installation site or operation environments.For these problems, Wo Menti
Go out to replace the method for artificial reading using Machine Vision Recognition Technology, independent research is a kind of based on Machine Vision Recognition Technology
Pointer instrument data identify and acquisition system, to optimize a series of problems that artificial reading etc. is brought.
The content of the invention
The purpose of this utility model be in order to solve described in background technology by artificial sensing tape Lai it is of high cost, record
A series of problems, such as efficiency is low, accuracy of reading is poor, economic loss is serious, and propose a kind of based on Machine Vision Recognition Technology
Pointer instrument data identify and acquisition system, to realize that intelligent interconnection replaces the purpose of artificial reading.
The purpose of this utility model is carried out by following proposal：
The utility model is made of stent (2), light filling ring (1), camera (5), it is characterised in that stent (2) is mounted on and treats
It surveys above instrument, stent (2) top is connected with light filling ring (1), and camera (5) is connected with stent (2) top.
The stent (2) of the utility model, it is characterised in that there are one grooves on stent (2) top；Stent (2) side counterpart
Divide hollow out；Stent (2) bottom inside is in arc-shaped.
The circular top cover (4) of the utility model, it is characterised in that circular top cover (4) is connected with stent (2) top,.
The light filling ring of the utility model（1）, it is characterised in that light filling ring（1）It is connected with stent (2) top inner side, utilizes benefit
The ring of light（1）Light filling becomes apparent from photo obtained by shooting.
The earclip of the utility model（3）, it is characterised in that earclip（3）It is connected with stent (2) bottom outside.
The velcro (6) of the utility model, it is characterised in that velcro (6) is connected with earclip (3), utilizes velcro (6)
Fixed earclip (3) and meters under test.
The utility model is to fix meters under test and stent by velcro (6) into the main course that line pointer identifies（2）,
The position of meters under test is adjusted, then opens light filling ring（1）, then pass through identification camera（5）Dial plate image is obtained, passes through number
Computer is connected according to coffret, data can reflect on the display screen, so as to carry out reading.
Compared with prior art, the innovative point of the utility model is：
（1）Circular top cover is screwed with stent, easy disassembly restructuring.
（2）Light filling ring light filling, additionally increases light, makes meters under test brighter, and the photo of camera shooting becomes apparent from.
（3）Side face part hollow out, convenient for fixing bracket and meters under test, also transmissive makes meters under test into light
Brighter, the photo of camera shooting becomes apparent from, and also allows for wiping camera minute surface.
（4）Velcro fixing bracket and meters under test, convenient for fixed and adjusting.
（5）It is in the arc-shaped of different-diameter on the inside of frame bottom, adapts to the meters under test of different bores, expand and use model
It encloses.
（6）For original instrument without additional transformation, existing equipment is not destroyed, is mounted directly identification equipment, is used
It is convenient.
（7）Instrument numerical value directly transmits, and compatibility is strong, and security is good.
（8）Coordinate software can be to instrument long-distance data record, storage and analysis, compatible various upper computer softwares.
（9）Cooperation wireless transport module can be demarcated remotely, facilitate the instrumentation of those inconvenience dismounting of calibrating.
Description of the drawings：
Fig. 1 looks up graphics for the utility model.
Fig. 2 overlooks graphics for the utility model.
Reference sign：
1- light filling rings, 2- stents, 3- earclips, 4- circular top covers, 5- cameras, 6- velcro, 7- meters under test.
Specific embodiment：
The utility model is further described with reference to the accompanying drawings and examples：
As shown in Figure 1, the utility model composition include light filling ring (1), stent (2), earclip (3), circular top cover (4),
(6) six camera (5), velcro components.
Embodiment 1：A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology, by circle
Head cover（4）, stent (2) composition；Circular top cover（4）With stent（2）Top is fixed by two identical screws, special
Sign is circular top cover（4）With stent（2）Connect, make circular top cover（4）With stent（2）Internal chip separates with external environment
It opens, avoids contacting directly with external environment, influenced be subject to environmental factor is excessive；Two identical screws are in circular top cover（4）
It is fixed on the position of intermediate symmetry, and rotate to screw upper surface and be less than circular top cover（4）Upper surface avoids screw from being emerging in
Outside, circular top cover is influenced（4）The planarization of upper surface and instrument it is overall beautiful；It is screwed, is conducive to circular top cover（4）
With stent（2）Dismounting, combination, facilitate debugging circular top cover（4）With stent（2）Intermediate chip；Circular top cover（4）Upper table
There is symmetrical groove part in face, increases finger and circular top cover（4）Between friction, prevent its landing, damage instrument, simultaneously should
Pattern also makes circular top cover（4）Upper surface seems more beautiful, not dull.Circular top cover（4）With stent（2）There are one joints
Groove, for placing winding displacement, output data.
Embodiment 2：A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology, by light filling
Ring (1), camera (5), stent (2) composition；Camera (5) is fixed on stent by screw（2）Top, camera (5) with it is to be measured
The center of instrument directly shoots meters under test on same straight line, convenient for camera (5), which is hidden in circular top cover
（4）In the following, not influencing the beauty of instrument entirety, using screw, be also beneficial to camera takes dress；Stent（2）Top inner side is inlayed
Embedded with light filling ring（1）, light filling ring（1）It is affixed directly to stent（2）The inside of upper surface, it is characterised in that circular light filling ring can
To make light distribution more uniform, sufficient light is supplemented, increases the brightness of operating environment, becomes apparent from the photo of shooting.
Stent（2）The area hollow out of side 2/3rds, and hollow-out part is symmetrical, it is characterised in that it is conveniently operated, hand can directly be worn
It crosses hollow-out part to take pointer instrument, eyes can also be directed through hollow-out part observation meters under test, camera (5), mend
The ring of light (1), if camera (5) has, spot is unintelligible, just can go to clear up through hollow-out part, if light filling ring (1) light filling performance becomes
It is weak, it can just go to replace or adjust, while stent（2）This hollow out is designed with beneficial to fixed meters under test and stent（2）When tune
Whole instrument, some light also can project from hollow-out part, make meters under test more bright.Stent（2）Bottom inside is not in
With the arc-shaped of diameter, it is characterised in that can easily adapt to the meters under test of different bores（7）, will not be because of different instrument mouth
Difference on footpath, and limit the use of pointer instrument.
Embodiment 3：A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology, by stent
（2）, earclip（3）, velcro（6）Composition；Stent（2）The non-hollow-out part of bottom outside is ined succession a pair of of earclip（3）, two earclips
（3）It is symmetrical to exist and small, pointer instrument dead weight is not influenced, and thickness is appropriate, larger pulling force can be born, with earclip
（3）Connecting bracket（2）And velcro（6）, it is simple and quick.Two earclips（3）And velcro（6）It is respectively connected with, velcro
（6）It can be to pass through two earclips（3）By stent（2）And meters under test（7）It is fixed together.
Embodiment 4：A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology, are referred to
The main course of pin identification is first to adjust pointer instrument, then by meters under test（7）Face-up, meters under test（7）
It keeps flat and takes on the table or smoothly, then use stent（2）The corresponding circular arc of bottom inside is close to instrument to be measured
Table（7）Upper surface edge, adjust meters under test at leisure（7）And stent（2）Gradient in the horizontal direction makes to be measured
Instrument（7）And stent（2）The corresponding circular arc of bottom inside is coincide as far as possible, the fixed meters under test for after（7）Operation it is suitable
Profit provides safeguard, then again by velcro（6）It is each passed through and is fixed on stent（2）Two earclips of bottom outside（3）, and
By the velcro of one side along meters under test（7）Side, then pass through meters under test（7）The diameter of lower surface, the evil spirit of opposite side
Art exchange premium row similarly operates, until the velcro of wherein one side can be through the button of opposite side velcro, then by both sides
Velcro is fastened as far as possible, makes stent（2）And meters under test（7）It securely fixes, will not slide easily, open light filling ring（1）, mend
Fill meters under test（7）Light, convenient for observation, identification camera（5）Dial plate image is obtained, electricity is connected by data transmission interface
Brain, data can reflect on the display screen, so as to carry out reading.
Embodiment 5：A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology, in algorithm
On, pointer identification equipment is divided equally using innovative scale knows method for distinguishing, can be compatible with various types of instrument.By taking the photograph
As head acquisition dial plate image, then by Bresenham algorithms and Hough transform detection of straight lines algorithm, dial plate is extracted from image
Then scale and gauge pointer carry out ratio to dial plate and divide equally, then converse the ratio that pointer accounts for certain scale section, minimum is faced
The scale value of nearly scale is plus the product of the ratio value in scale section shared by scale section and pointer, you can converses meter reading.
Bresenham algorithms are the characteristics being made of using display in computer graphics pixel so that are seeking the mistake of straight line each point
Computing is all come with integer in journey, facilitates calculating pointer position, significantly improves the calculating speed of digitlization group's detecting system.
Hough transform is the point-line duality by image space and Hough parameter spaces, and the meter dial in image space is turned
It changes in parameter space and carries out simple cumulative statistics, realize and meter dial is accurately detected real-time, ensure that number
Change the accuracy of group's detecting system.Recognizer of the utility model Jing Guo special simplification makes it occupy seldom memory, master control
Complicated identification function can be realized using high-performance ARM kernel microcontroller STM32 microcontrollers for chip, improve the speed of system
And precision, low production cost.
Embodiment 6：A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology, are being applied
On, the characteristics of bulk information is difficult is transmitted for instrument cluster, all identification process are integrated in instrument and quantized by the utility model
It is carried out in sensor, identifies the character string of direct output meter data after data, compatibility is strong；It can be propped up by fieldbus
More instrument cluster monitorings, group's tupe are held, instrument is subjected to intelligent interconnection, achievees the purpose that intellectual monitoring, data processing software
It can receive and handle simultaneously the instrument numeralization imaging sensor task process of field instrument group；It need not appoint for original instrument
What additional transformation, does not destroy existing equipment, and instrument can be realized after directly simple installation identification equipment and monitored, realized to machinery
The Thingsization of instrumentation, it is easy to use, it is suitble to field instrument group's complex environment；Data identification process is directly integrated in instrument number
Value imaging sensor is directly transmitted using fieldbus, and compatibility is strong, is suitble to the use of instrument cluster in the factory, is carried
The high security and accuracy of data transmission；The utility model cooperation software data processing software can remember instrument long-distance data
Record, storage and analysis, compatible various upper computer softwares.
Claims (6)
1. a kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology, including stent (2), light filling
Ring (1), camera (5), it is characterised in that be mounted on by stent (2) above meters under test, stent (2) top and light filling ring (1)
It is connected, camera (5) is connected with stent (2) top.
2. a kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology according to claim 1
System, it is characterised in that there are one grooves on stent (2) top；Stent (2) side opposite segments hollow out；Stent (2) bottom inside is in
Arc-shaped.
3. a kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology according to claim 1
System, further includes circular top cover (4), it is characterised in that circular top cover (4) is connected with stent (2) top.
4. a kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology according to claim 1
System, further includes light filling ring（1）, it is characterised in that light filling ring（1）It is connected with stent (2) top inner side, utilizes light filling ring（1）Light filling
Become apparent from photo obtained by shooting.
5. a kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology according to claim 1
System, further includes earclip（3）, it is characterised in that earclip（3）It is connected with stent (2) bottom outside.
6. a kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology according to claim 1
System, further includes velcro (6), it is characterised in that velcro (6) is connected with earclip (3), utilizes velcro (6) connection earclip (3)
With meters under test (7), for fixed equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600201.0U CN207439430U (en) | 2017-11-27 | 2017-11-27 | A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600201.0U CN207439430U (en) | 2017-11-27 | 2017-11-27 | A kind of identification of pointer instrument data and acquisition system based on Machine Vision Recognition Technology |
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| CN207439430U true CN207439430U (en) | 2018-06-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827101A (en) * | 2018-08-17 | 2018-11-16 | 上海盛染智能科技有限公司 | Part circumference runout error automatic detection device and method |
| CN109459354A (en) * | 2019-01-20 | 2019-03-12 | 华东交通大学 | A kind of workshop dust fall amount automatic detection device and method based on machine vision |
| CN112488928A (en) * | 2020-10-12 | 2021-03-12 | 国网河南省电力公司济源供电公司 | Transformer oil conservator oil level online monitoring device and method based on image recognition technology |
-
2017
- 2017-11-27 CN CN201721600201.0U patent/CN207439430U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827101A (en) * | 2018-08-17 | 2018-11-16 | 上海盛染智能科技有限公司 | Part circumference runout error automatic detection device and method |
| CN109459354A (en) * | 2019-01-20 | 2019-03-12 | 华东交通大学 | A kind of workshop dust fall amount automatic detection device and method based on machine vision |
| CN112488928A (en) * | 2020-10-12 | 2021-03-12 | 国网河南省电力公司济源供电公司 | Transformer oil conservator oil level online monitoring device and method based on image recognition technology |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20191127 |