CN100368782C - Flow standard measuring apparatus by photographic technique - Google Patents
Flow standard measuring apparatus by photographic technique Download PDFInfo
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- CN100368782C CN100368782C CNB2005100622937A CN200510062293A CN100368782C CN 100368782 C CN100368782 C CN 100368782C CN B2005100622937 A CNB2005100622937 A CN B2005100622937A CN 200510062293 A CN200510062293 A CN 200510062293A CN 100368782 C CN100368782 C CN 100368782C
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- 238000000034 method Methods 0.000 title claims description 20
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 238000010606 normalization Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 3
- 239000000039 congener Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 238000013473 artificial intelligence Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003909 pattern recognition Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012384 transportation and delivery Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The present invention relates to a device for detecting the flow standard through using the photographic technology, which belongs to the field of the flow standard detection technology. The present invention is designed for aiming at the incomplete design scheme of the congener technology. The design point of the present invention is a camera type automatic reading system which is composed of a software processing part and a camera peripheral device of which the action is controlled by software, wherein the core part of the system is the software processing part. A fluid source is connected with a detected meter, and a flow meter for sampling and shooting of the detected meter is divided into two paths of connection. One path of the flow meter is connected with a regulation module, and the other path of the flow meter is connected with an identification module. The regulation module is composed of a sample collection unit, an image processing unit and a statistical template unit, and moreover, the regulation data is connected with the matching unit after the regulation data measured by the module is connected with a background database. The present invention is suitable for matching with various flow standard devices. A user only needs to make different fluid sources connected with the detected meter and the standard devices which are matched with the different sources so that the flow standard is detected through using the camera technology. The present invention is suitable for the automation of the flow standard detection means.
Description
Technical field
The present invention relates to the flow standard detection range, is a kind of flow standard measuring apparatus by photographic technique.
Background technology
Along with the development of computing machine and artificial intelligence, Flame Image Process and pattern-recognition be developed and application widely in growing field.A complete Flame Image Process application system need be used digital camera technology, digital image processing techniques, pattern-recognition and artificial intelligence technology.Some application scenario also needs the computer information management technology.
Equally, along with the raising of entire society's level of informatization, also need to introduce these advanced technologies in the metering industry and raise the efficiency, reduce cost.In the calibration operation of flowmeter, detect for the easy realization robotization that electric signal output is arranged, and realize that for the direct-reading flow instrument (as common water meter, gas meter, heat energy table, oil meter, coal scale, shunt type cur etc.) of no electric signal output is just difficult robotization detects, according to traditional way is to read tested flowmeter and standard (measuring device liquid level, bell jar scale, weighing) indicating value in the measuring process by manual method, through relevant calculating, judge whether the error of indication of tested flowmeter is qualified then.This method exists inefficiency, the easy fatigue of operator to cause defectives such as reading is inaccurate, human factor is more.Therefore, Flame Image Process and mode identification technology are applied to the flow standard device come up, in conjunction with Computer Processing, can improve the work efficiency and the technology content of calibrating installation, application prospect is very optimistic.Before the present invention appears on the market, Chinese patent literature has disclosed the ZL patent No. 02289485.3, name is called " with camera technique to dial plate photographing direct-reading remote transmission data system ", belong to digital code information transmitting device field, has the real-time photography system, image information transmission system, image storage and disposal system and estate management platform, can store the demonstration number on the dial plate and disposal system to image by wired or wireless teletransmission with image mode, be host computer CPU storage and demonstration, and, finish routine work for the estate management platform foundation is provided the data input database in the image; Its usefulness is: can work in strong interference environment, data acquisition is accurate, can provide reliable legal basis for management.Camera shooting type full-automatic water meter calibrating installation has also been published in Shenzhen City, Guangdong Province accurate measurement Science and Technology Ltd. on relevant publication.Above-mentioned similar technology has certain theoretical foundation, but the concrete scheme that puts into practice owes perfect.Therefore, some technical matterss demand urgently the inventor go perfect, and satisfactory in addition solution.
Summary of the invention
Purpose of the present invention will overcome above-mentioned deficiency, provide a kind of flow standard measuring apparatus by photographic technique to this area, make this device suit common water meter, gas meter, heat energy table, oil meter, coal scale, the detection of shunt type cur standard, calibrating, finish the still unsolved technical matters of present similar technology.The objective of the invention is to realize by the following technical solutions.
A kind of flow standard measuring apparatus by photographic technique, this device comprises camera shooting type robotization frame of reference and flow standard detection system, promptly practice module, identification module, the camera shooting type robotization frame of reference of being formed by Control System of Microcomputer, printer, camera, accent; By work measuring instrument, photoelectric liquid level sensor, instantaneous flowmeter, solenoid valve, meter-clamping apparatus, tested table, standard scale, commutator, commutation signal sensor, commutator solenoid valve, temperature sensor, flow control valve, water inlet pneumatic valve, air valve solenoid valve, the flow standard detection system that is constituted; It is characterized in that camera shooting type robotization frame of reference, by software processing part and formed by the shooting peripheral hardware of its action of software control, wherein the core is a software processing process, connect tested table as fluid source among Fig. 3, the flowmeter of tested table shooting sampling divides two-way to connect, the one road connects to transfer practices module, and another road connects identification module; Described accent is practiced module and is made of sample collection unit, graphics processing unit, statistical mask unit, and the accent that this module records is practiced and connected matching unit after data are connected to background data base; Described identification module is made of sample collection unit, graphics processing unit, character normalization unit, and the discriminating character that this module records connects matching unit, connects recognition unit again.
The tested table of described flow standard measuring apparatus by photographic technique is connected with water meter with standard scale, and the automatic test signal manager of water meter is arranged in the background data base.
Described recognition result connects Control System of Microcomputer, printer.
The invention solves similar technical design scheme and owe perfect problem, adapt to and multiple flow standard matched with devices, different fluid sources need only be connected with the tested table, the standard that are complementary, promptly detect its flow standard with camera technique.Be applicable to the robotization of flow standard detection means, improve this area and detect level that technical have an obvious improvement.
Description of drawings
Fig. 1 is a discharge pick-up unit schematic flow sheet of the present invention, and this figure is applicable to the calibrating of LJS-15-50mm system controlled by computer flowmeter.
Fig. 2 is another specification discharge pick-up unit schematic flow sheet of the present invention, and this figure is applicable to the calibrating of 80-300mm system controlled by computer flowmeter, the drafting of having omitted Control System of Microcomputer and printer among the figure.
The circuit of the Control System of Microcomputer among Fig. 1 and Fig. 2, printer, camera, commutator solenoid valve, bottom valve solenoid valve, air valve solenoid valve, meter-clamping apparatus operation valve is not connected, only be arranged to connect parts other, purpose is the sharpness that keeps drawing, and essence connects wherein.Moreover the laying part of this Fig. 1 and Fig. 2 has complementarity.
Fig. 3 is a testing process block diagram of the present invention.
Fig. 4 is the automatic test signal manager of a water meter of the present invention electronic-circuit diagram.
Fig. 5 to Fig. 8 is divided into four width of cloth figure with Fig. 4 not too clearly, so that make it be easy to identification, has certain sharpness.
Fig. 9 is the electronic-circuit diagram of display part of the present invention and power unit.
Figure 10 is the electronic-circuit diagram of mainboard stimulus part of the present invention.。
Sequence number and title in the above accompanying drawing: 1, Control System of Microcomputer, 2, printer, 3, photoelectric liquid level sensor, 4, work measuring instrument, 5, bottom valve, 5-1, the bottom valve solenoid valve, 6, work measuring instrument, 7, camera, 8, switch electromagnetic valve, 9, instantaneous flowmeter, 10, flow control valve, 11, camera, 12, lamp, 13, hood, 14, switch electromagnetic valve, 15, meter-clamping apparatus, 16, support, 17, tested table, 18, pipeline, 19 commutation signal sensors, 20, commutator, 21, the commutator solenoid valve, 22, temperature sensor, 23, flow control valve, 24, standard scale, 25, temperature sensor, 26, the meter-clamping apparatus operation valve, 27, camera, 28, the air valve solenoid valve, 29, the water inlet pneumatic valve.
Embodiment
Be that fluid source is an example to detect water now in conjunction with Fig. 1, Fig. 2, Fig. 3.Connect tap water from the water inlet end of pipeline 18, from then on water held and entered.Open by advancing water signaling switch solenoid valve 14 in the Control System of Microcomputer 1, the tested table 17 of meter-clamping apparatus 15 clampings, water is by 18 water inlets of the pipeline on the support 16, regulate the flow of water by flow control valve 10, measure instantaneous deliveries by instantaneous flowmeter 9, and control the closure or openness of water by switch electromagnetic valve 8.The water of pipeline 18 enters work measuring instrument 4 and work measuring instrument 6 respectively, is discharged by bottom valve 5 during draining.Photoelectric liquid level sensor 3 and camera 7 are that the liquid level feedback in the work measuring instrument is practiced module and identification module to transferring.Hang lamp 12 in the hood 13, light is to provide light source to tested table 17, data by camera 7 shooting samplings feed back to accent white silk module and identification module, through background data base matching unit, recognition result unit, Control System of Microcomputer, finally by the printer prints written report.
Claims (2)
1. flow standard measuring apparatus by photographic technique, this device comprises camera shooting type robotization frame of reference and flow standard detection system, promptly practice module, identification module, the camera shooting type robotization frame of reference of being formed by Control System of Microcomputer, printer, camera, accent; By work measuring instrument, photoelectric liquid level sensor, instantaneous flowmeter, solenoid valve, meter-clamping apparatus, tested table, standard scale, commutator, commutation signal sensor, commutator solenoid valve, temperature sensor, flow control valve, water inlet pneumatic valve, air valve solenoid valve, the flow standard detection system that is constituted; It is characterized in that camera shooting type robotization frame of reference, by software processing part and formed by the shooting peripheral hardware of its action of software control, wherein the core is a software processing process, fluid source connects tested table, the flowmeter of tested table shooting sampling divides two-way to connect, the one road connects to transfer practices module, and another road connects identification module; Described accent is practiced module and is made of sample collection unit, graphics processing unit, statistical mask unit, and the accent that this module records is practiced and connected matching unit after data are connected to background data base; Described identification module is made of sample collection unit, graphics processing unit, character normalization unit, and the discriminating character that this module records connects matching unit, connects recognition unit again.
2. flow standard measuring apparatus by photographic technique according to claim 1 is characterized in that described tested table is connected with water meter with standard scale, and the automatic test signal manager of water meter is arranged in the background data base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100622937A CN100368782C (en) | 2005-12-28 | 2005-12-28 | Flow standard measuring apparatus by photographic technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100622937A CN100368782C (en) | 2005-12-28 | 2005-12-28 | Flow standard measuring apparatus by photographic technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811351A CN1811351A (en) | 2006-08-02 |
| CN100368782C true CN100368782C (en) | 2008-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100622937A Expired - Fee Related CN100368782C (en) | 2005-12-28 | 2005-12-28 | Flow standard measuring apparatus by photographic technique |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134571B (en) * | 2013-01-24 | 2014-11-26 | 宁波市计量测试研究院（宁波市衡器管理所） | Water meter automatic verification technology based on dynamic video image processing and pattern recognition algorithm |
| CN103292875B (en) * | 2013-06-14 | 2016-03-23 | 中国人民解放军国防科学技术大学 | Commutator and there is the fluid flow calibration system of this commutator |
| CN103954334B (en) * | 2014-04-28 | 2017-02-01 | 华中师范大学 | Fully automatic image pickup type water meter verification system and operating method thereof |
| CN105588620A (en) * | 2015-12-13 | 2016-05-18 | 北京工业大学 | Internet-of-things water meter calibration system |
| CN107677395A (en) * | 2017-11-07 | 2018-02-09 | 北京市计量检测科学研究院 | Heavy caliber flow verification system and calibration method |
| CN111307253B (en) * | 2019-10-14 | 2021-09-21 | 北京远东仪表有限公司 | Intelligent detection and control system and method for flow device commutator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114148U (en) * | 1992-02-20 | 1992-08-26 | 连云港水表厂 | Means for testing or calibrating water meter using microcomputers |
| JPH07113677A (en) * | 1993-10-18 | 1995-05-02 | Tokyo Ryosuiki Kogyosho:Kk | Method and equipment for automatic inspection of integrating volume meter |
| CN1439866A (en) * | 2003-04-11 | 2003-09-03 | 天津大学 | Gas flow standardizing devices |
| CN1513110A (en) * | 2001-05-30 | 2004-07-14 | Flowmeter providing device and method | |
| CN1540297A (en) * | 2003-04-22 | 2004-10-27 | 深圳市水务(集团)有限公司 | Automatic calibrating apparatus and calibrating method for ordinary water meter |
-
2005
- 2005-12-28 CN CNB2005100622937A patent/CN100368782C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114148U (en) * | 1992-02-20 | 1992-08-26 | 连云港水表厂 | Means for testing or calibrating water meter using microcomputers |
| JPH07113677A (en) * | 1993-10-18 | 1995-05-02 | Tokyo Ryosuiki Kogyosho:Kk | Method and equipment for automatic inspection of integrating volume meter |
| CN1513110A (en) * | 2001-05-30 | 2004-07-14 | Flowmeter providing device and method | |
| CN1439866A (en) * | 2003-04-11 | 2003-09-03 | 天津大学 | Gas flow standardizing devices |
| CN1540297A (en) * | 2003-04-22 | 2004-10-27 | 深圳市水务(集团)有限公司 | Automatic calibrating apparatus and calibrating method for ordinary water meter |
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| CN1811351A (en) | 2006-08-02 |
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Assignee: Ningbo Mingtai Traffic Equipment Co., Ltd Assignor: Zhang Zuming Contract record no.: 2010330000703 Denomination of invention: Flow standard measuring apparatus by photographic technique Granted publication date: 20080213 License type: Exclusive License Open date: 20060802 Record date: 20100505 |
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Owner name: NINGBO MINGTAI TRAFFIC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: ZHANG ZUMING Effective date: 20140210 |
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Effective date of registration: 20140210 Address after: Ningbo Zhenhai District 315202 South Road camel in Zhejiang province Ningbo City No. 1292 Patentee after: Ningbo Mingtai Traffic Equipment Co., Ltd Address before: 315202 Zhenhai Yong South Road, Zhenhai District, Zhejiang, Ningbo, Ningbo Zhenhai complete equipment factory Patentee before: Zhang Zuming |
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| 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: 20080213 Termination date: 20171228 |