CN103162773B - The automatic calibrator of fuel charger - Google Patents
The automatic calibrator of fuel charger Download PDFInfo
- Publication number
- CN103162773B CN103162773B CN201310039295.9A CN201310039295A CN103162773B CN 103162773 B CN103162773 B CN 103162773B CN 201310039295 A CN201310039295 A CN 201310039295A CN 103162773 B CN103162773 B CN 103162773B
- Authority
- CN
- China
- Prior art keywords
- scale
- fuel charger
- liquid pipe
- guide rail
- camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Spectrometry And Color Measurement (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a kind of automatic calibrator of fuel charger, comprise a standard capacity measure, camera, motor and moving guide rail, described standard capacity measure comprises base, tank body, metering neck, looks liquid pipe, scale and overflowing hood, moving guide rail be arranged in parallel depending on liquid pipe, moving guide rail and scale look the both sides of liquid pipe described in being located at respectively, and be oppositely arranged, slide block carrying camera on moving guide rail, motor drives moving slider, and camera connects the equipment for the treatment of view data.The scale map picture that camera obtains by the present invention directly imports computing machine into, the numerical value of scale is obtained by computer disposal, improve automaticity, prevent manual operation from slipping up, reduce error, meanwhile, because the view data of periodic calibration over the years preserved by computing machine, can be raw image data foundation when fuel charger metering administrative law enforcement provides periodic calibration, also can be used for analyzing oil feeder measuring device abrasion condition and metering performance situation of change after multiple calibration interval.
Description
[technical field]
The present invention relates to a kind of calibrating installation, particularly a kind of automatic calibrator of fuel charger.
[background technology]
The automatic detection device of fuel charger is the compulsory verification measurement instrument of oil product trade settlement.The calibrating of fuel charger is related to the people's livelihood and measures just, the legitimate rights and interests of relationship safeguard operator and consumer.And in the verification process of fuel charger, have several factors directly to affect the value accuracy of fuel charger.
Traditional fuel oil refueling machine detecting device adopts manual operation, and the uncertainty brought by subjective factor is comparatively large, there is the shortcomings such as personal error is large, automaticity is low.And in JJG443-2006 " fuel charger vertification regulation " new order, regulation has been made to verification process fuel charger flow, and require calibrating time environment temperature within the scope of-25 DEG C to+55 DEG C, in verification process, the change of environment temperature should be no more than 5 DEG C, and oil product and circumstance of temperature difference are no more than 10 DEG C.Therefore, thermometric accuracy ensures fuel charger measurement verification result important prerequisite accurately, in verification process in fuel charger muzzle temperature and measuring device fuel temperature measurement be then carry out the important precondition of temperature adjustmemt accurately and reliably.And traditional fuel oil refueling machine detecting device cannot carry out Measurement accuracy according to national standard to oil temperature in the flow of fuel charger and fuel charger muzzle temperature and standard capacity measure.Traditional detecting oiling machine flow calculates according to the oiling volume reading of fuel charger and the ratio of refueling time, owing to being difficult to the oiling that remains a constant speed in refueling process, the instability of flow of oiling starting stage and ending phase, and manual time-keeping personal error is very large, therefore the flow value calculated by classic method is actual is the mean value of whole refueling process flow, with the actual flow maximal value deviation to some extent of fuel charger.Oil temperature in traditional standard verification metal tank is measured by mercury-in-glass thermometer is put into measuring device, more manually reads temperature value, affects the efficiency of measurement accuracy and calibrating.Therefore, need a kind ofly can continue accurately to examine and determine flow, temperature the device of volume at volume being automatically converted to standard temperature 20 DEG C.
Publication number is CN101139077A, publication date is patent of invention on March 12nd, 2008 " a kind of automatic detection device of fuel charger ", it is with code sensor+physical construction connected with computer, obtain liquid level, from of the present invention adopt make a video recording graph processing technique and based on the fluid column mensuration of color detection obtain liquid level have essence different.
[summary of the invention]
The technical problem to be solved in the present invention, be the automatic calibrator that a kind of fuel charger is provided, adopt camera to replace human eye reading, directly import the scale map picture that camera obtains into computing machine, obtained the numerical value of scale by computer disposal, simultaneously, carry out temperature survey and flow measurement by temperature sensor and pressure transducer, and the flow value under normal temperature is converted into the flow at 20 DEG C automatically by formulae discovery, greatly improve automaticity, improve calibrating efficiency, reduce error.
The present invention is achieved in that
The automatic calibrator of fuel charger, comprise a standard capacity measure, described standard capacity measure comprises base, tank body, metering neck, looks liquid pipe, scale and overflowing hood, described tank body is located at above described base, described overflowing hood and tank body are by metering neck and look the through connection of liquid pipe, described metering neck and be arrangeding in parallel depending on liquid pipe, described scale and describedly to be arranged in parallel depending on liquid pipe; Also comprise motor, be provided with the moving guide rail of moving slider and the camera for looking liquid pipe and scale described in taking simultaneously, described moving guide rail and describedly to be arranged in parallel depending on liquid pipe, described moving guide rail and scale be located at respectively described in depending on liquid pipe both sides and be oppositely arranged, moving slider on described moving guide rail carries described camera, described motor drives described moving slider, and described camera connects the equipment for the treatment of view data.
Further, also comprise a backboard, the rear of described scale is located at by described backboard, and backboard and scale are closely linked.
Further, also comprise two temperatures sensor, described two temperatures sensor is located at the top of described metering neck and the inner bottom part of described tank body respectively, and is all connected to described equipment by data line.
Further, also comprise a pressure transducer, the bottom of described tank body is located at by described pressure transducer, and is connected to described equipment by data line.
Further, described motor is stepper motor.
Further, described scale is master scale chi or colour atla scale, described colour atla scale is equidistantly arranged by least three colour bands and is formed, color on self-defined each colour band, and the color distributing order of any three continuous colour bands does not repeat, and the color of any three colour bands of arranging continuously is incomplete same.
Further, described equipment is the computing machine being provided with image acquisition and data base management system (DBMS).
The invention has the advantages that:
Compared with traditional artificial fuel charger detection mode, the present invention adopts image-type reading technology, human eye reading is replaced by camera, directly import the scale map picture that camera obtains into computing machine, the numerical value of scale is obtained by computer disposal, simultaneously, temperature Measurement accuracy and flow maximum Measurement accuracy is carried out by temperature sensor and pressure transducer, obtain the certified value at actual environment temperature, greatly improve automaticity, and prevent manual operation from slipping up, reduce error, therefore, it is fast that the present invention examines and determine speed, without the need to numerous and diverse manual operation, accuracy of measurement is high.Because this device computer is provided with image acquisition and data base management system (DBMS), the view data of periodic calibration over the years is preserved in this system, can be raw image data foundation when fuel charger metering administrative law enforcement provides periodic calibration, also can be used for analyzing oil feeder measuring device abrasion condition and metering performance situation of change after multiple calibration interval.
[accompanying drawing explanation]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram of colour atla scale of the present invention.
The image that when Fig. 3 is employing colour atla scale of the present invention, camera photographs.
Fig. 4 is the corresponding relation figure between color of the present invention number, scale and colour band color.
[embodiment]
Refer to shown in Fig. 1, embodiments of the invention are described in detail.
The automatic calibrator of fuel charger, comprise a standard capacity measure 100, described standard capacity measure 100 comprises base 1, tank body 2, metering neck 3, looks liquid pipe 4, scale 5 and overflowing hood 6, described tank body 2 is located at above described base 1, described overflowing hood 6 and tank body 2 are by metering neck 3 and look the through connection of liquid pipe 4, described metering neck 3 and be arrangeding in parallel depending on liquid pipe 4, described scale 5 be arranged in parallel depending on liquid pipe 4 with described, described automatic calibrator 100 also comprises one for looking the camera 7 of liquid pipe 4 and scale 5 described in taking simultaneously, one motor 8, one backboard 9, two temperatures sensor 101, 102, one pressure transducer 11 and one is provided with the moving guide rail 13 of moving slider 12, described moving guide rail 13 be arranged in parallel depending on liquid pipe 4 with described, described moving guide rail 13 and scale 5 be located at respectively described in depending on liquid pipe 4 both sides and be oppositely arranged, moving slider 12 on described moving guide rail 13 carries described camera 7, described motor 8 drives described moving slider 12, described camera 7 connects the equipment (not shown) for the treatment of view data, described equipment is the computing machine being provided with image acquisition and data base management system (DBMS).The rear of described scale 5 is located at by described backboard 9, and backboard 9 and scale 5 are closely linked.Moving slider 12, by belt (not shown) transmission, is located on the belt of moving guide rail 13 by described moving guide rail 13, and motor 8 drives belt thus drives moving slider 12.
Described scale 5 is master scale chi (not shown) or colour atla scale 51.When scale 5 is rule, described computing machine identifies scale value by character library.Refer to Fig. 2, described colour atla scale 51 by least three colour bands 52 equidistantly arrangement form, the upper color of self-defined each colour band 52, and on colour atla scale 51 and the color distributing order of any three continuous colour bands 52 do not repeat.The color selecting of described colour band 52 should be large with the aberration of backboard 9, simultaneously large with oil body aberration, and the distance be connected between two colour bands 52 is no less than 3mm.
The color of described backboard 9 can customize, but the color that principle is backboard 9 should be large with oil body aberration, and if scale 5 adopts colour atla scale 51, then the color of backboard 9 also should be large with colour band color aberration on colour atla scale 51.Because fluid is faint yellow, paler colour, when the background of looking liquid pipe 4 is comparatively complicated, is difficult to see liquid level clearly, after arranging the back of the body 9 plate, clearly can obtains oil column height by the color distortion of fluid column and backboard 9.
Described motor 8 can be stepper motor.
Bottom the top that described metering neck 3 is located at respectively by described two temperatures sensor 101,102 and described tank body 2, and all connect described equipment (not shown) by data line.During oiling, nozzle should be aimed at the side being provided with temperature sensor 101 and refuel, make fuel oil flow into tank body 2 after temperature sensor 101.
The inner bottom surface of described tank body 2 is located at by described pressure transducer 11, and connects described equipment (not shown) by data line.When fuel oil injects tank body 2, pressure transducer 11 senses that pressure records this t when being changed to initial threshold values (this initial threshold values sets as required, the impact that the setting of this initial threshold values brings in order to the instability removing starting stage flow)
1, as time zero, record this t when force value arrives Termination Threshold (this Termination Threshold sets as required, the impact that the setting of this Termination Threshold brings in order to the instability removing ending phase flow)
2, as timing end point, by formula Q=V/ (t
2-t
1) obtaining the flow Q of fuel oil, described flow Q is the volume flow through in the unit time.Described V is (t
2-t
1) changing value of time period inner volume.The conversion of force value and volume adopts experimental calibration method, needs to demarcate the initial threshold values of this fuel pressure transmitter and fuel bulk corresponding to Termination Threshold before namely using.
Because the scale value of scale on standard metal container is demarcated under 20 DEG C of environment, and actual testing environment not necessarily carries out under 20 DEG C of environment, therefore according to the volume measurements V that scale label is read
bthere is deviation with the fuel oil certified value under actual testing environment, therefore " fuel charger vertification regulation " regulation is changed by the gasoline-volume conversion formula under different temperatures, thus obtains the certified value V of fuel oil under actual testing environment
bt: V
bt=V
b[1+ β
y(t
j-t
b)+β
b(t
b-20)], β
yand β
bbe respectively the coefficient of volumetric expansion of calibrating medium and standard capacity measure, when for examining and determine gasoline, β
yfor the coefficient of volumetric expansion of gasoline; t
jfor the temperature measured by the temperature sensor 101 on metering neck 3 top, t
bfor the temperature measured by the temperature sensor 102 bottom tank body 2.
Because apparatus of the present invention need the data line placing 3 sensors and correspondence in tank body, the certain space in tank body need be occupied, need to calibrate before therefore using fuel charger calibrating installation of the present invention.
The present invention is in practical operation, for avoiding the visual angle deviation caused depending on the pitch angle of fluid column and scale 5 in liquid pipe 4, need by the camera 7 of band convex lens just to liquid level recess, also can prevent the distortion of image owing to producing by isolated edge simultaneously, camera 7 automatic search liquid level lowest part, being driven by stepper motor 8 makes liquid level occupy in the middle part of image, fixing camera 7 position, take pictures upload images to computing machine, by the process of computer application management software, obtain the exact height of liquid level, thus obtain nozzle injects volume measurements V from oil mass to calibrating installation
b.When described scale 5 is master scale chi, computing machine can go out concrete scale by extracting directly, when scale 5 is colour atla scale 51, now to take three colour bands, comprise liquid level and refer to Fig. 3 near three colour band 52(of liquid level in the image of computing machine shooting), computing machine extracts the color arrangement rule on these three colour bands 52, compare with a sequence table of arranging, thus obtain the interval value of liquid level, and then according to the height ratio of liquid level in interval, calculate the volume that liquid level is corresponding.The distributing order of color on the colour band 52 of all colours on colour atla scale, each colour band 52 is recorded in described arrangement sequence table, and the scale value of lower each color colour band 52 correspondence of this order.
Refer to Fig. 3 and Fig. 4, now choose red zone, green band, blue ribbon, these four kinds of colors of black bands colour band be example, red zone, green band, blue ribbon, black bands are arranged, in computing machine, define red zone---0, green band---1, blue ribbon---2, black bands---3, then color bar sequences A (n): 30123103201021213132101303 in Fig. 4, when the color of three colour bands 52 that video camera photographs be blue-black green time, namely color bar sequences is 231, (referring to Fig. 3), computing machine extracts the color arrangement rule on these three colour bands 52, compare with arrangement sequence table, between the interval 6L ~ 10L of scale value finding out 231 correspondences from arrangement sequence table, and then according to the height ratio of liquid level in this scale value interval, be assumed to be 6/10, calculating liquid level value is 6+(6/10) * (10-6) L=8.4L, this volume is volume measurements V
b.
The invention has the advantages that:
Compared with traditional artificial fuel charger detection mode, the present invention adopts image-type reading technology, human eye reading is replaced by camera, directly import the scale map picture that camera obtains into computing machine, the numerical value of scale is obtained by computer disposal, simultaneously, temperature survey and flow measurement is carried out by temperature sensor and pressure transducer, and the flow value under normal temperature is converted into automatically the flow of 20 DEG C by formula, greatly improve automaticity, and prevent manual operation from slipping up, reduce error, therefore, it is fast that the present invention examines and determine speed, without the need to numerous and diverse manual operation, accuracy of measurement is high.Simultaneously, because this device computer is provided with image acquisition and data base management system (DBMS), the view data of periodic calibration over the years is preserved in this system, can be raw image data foundation when fuel charger metering administrative law enforcement provides periodic calibration, also can be used for analyzing oil feeder measuring device abrasion condition and metering performance situation of change after multiple calibration interval.
The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (7)
1. the automatic calibrator of fuel charger, comprise a standard capacity measure, described standard capacity measure comprises base, tank body, metering neck, looks liquid pipe, scale and overflowing hood, described tank body is located at above described base, described overflowing hood and tank body are by metering neck and look the through connection of liquid pipe, described metering neck and be arrangeding in parallel depending on liquid pipe, described scale and describedly to be arranged in parallel depending on liquid pipe; It is characterized in that: also comprise motor, be provided with the moving guide rail of moving slider and the camera for looking liquid pipe and scale described in taking simultaneously, described moving guide rail and describedly to be arranged in parallel depending on liquid pipe, described moving guide rail and scale be located at respectively described in depending on liquid pipe both sides and be oppositely arranged, moving slider on described moving guide rail carries described camera, described motor drives described moving slider, and described camera connects the equipment for the treatment of view data; Described scale is colour atla scale, and described colour atla scale is equidistantly arranged by least three colour bands and formed, the color on self-defined each colour band, and the color distributing order of any three continuous colour bands does not repeat;
Liquid level and three colour bands near liquid level are comprised in the image of camera shooting, computing machine extracts the color arrangement rule on these three colour bands, and compare with a sequence table of arranging, obtain the interval value of liquid level, and then according to the height ratio of liquid level in interval, calculate the volume that liquid level is corresponding.
2. the automatic calibrator of fuel charger according to claim 1, is characterized in that: also comprise a backboard, and the rear of described scale is located at by described backboard, and backboard and scale are closely linked.
3. the automatic calibrator of fuel charger according to claim 1, it is characterized in that: also comprise two temperatures sensor, described two temperatures sensor is located at the top of described metering neck and the inner bottom part of described tank body respectively, and is all connected to described equipment by data line.
4. the automatic calibrator of fuel charger according to claim 1, is characterized in that: also comprise a pressure transducer, and the bottom of described tank body is located at by described pressure transducer, and is connected to described equipment by data line.
5. the automatic calibrator of fuel charger according to claim 1, is characterized in that: described motor is stepper motor.
6. the automatic calibrator of fuel charger according to claim 1, is characterized in that: described scale is master scale chi.
7. the automatic calibrator of fuel charger according to claim 1, is characterized in that: described equipment is the computing machine being provided with image acquisition and data base management system (DBMS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039295.9A CN103162773B (en) | 2013-01-31 | 2013-01-31 | The automatic calibrator of fuel charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310039295.9A CN103162773B (en) | 2013-01-31 | 2013-01-31 | The automatic calibrator of fuel charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103162773A CN103162773A (en) | 2013-06-19 |
| CN103162773B true CN103162773B (en) | 2015-12-02 |
Family
ID=48586048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310039295.9A Active CN103162773B (en) | 2013-01-31 | 2013-01-31 | The automatic calibrator of fuel charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103162773B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309273A (en) * | 2018-03-02 | 2018-07-24 | 厦门通测电子有限公司 | A kind of automatic calibrator and calibration method of sphygmomanometer and sphygomanometers |
| CN110081954A (en) * | 2019-04-18 | 2019-08-02 | 上海大学 | A kind of self-positioning level readings of volume tank and temperature measurement integrated device and method |
| CN110646068B (en) * | 2019-11-07 | 2021-04-23 | 萧县众科电磁检测有限公司 | Fuel oil detection device based on temperature control |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228223Y (en) * | 1994-06-06 | 1996-05-29 | 天津大学自动化设备厂 | Tracking oil consumption meter |
| CN1950672A (en) * | 2004-05-06 | 2007-04-18 | 莱卡地球系统公开股份有限公司 | Levelling rod, level determining apparatus for said rod, and level determining method |
| CN201548351U (en) * | 2009-11-04 | 2010-08-11 | 湖南省计量检测研究院 | Automatic vision verification device of glass liquid thermometer |
| CN201955126U (en) * | 2011-01-07 | 2011-08-31 | 中国石油天然气股份有限公司 | Camera shooting type full-automatic standard container volume reading system |
| CN203100835U (en) * | 2013-01-31 | 2013-07-31 | 福建省计量科学研究院 | Automatic calibration device of fuel dispenser |
-
2013
- 2013-01-31 CN CN201310039295.9A patent/CN103162773B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228223Y (en) * | 1994-06-06 | 1996-05-29 | 天津大学自动化设备厂 | Tracking oil consumption meter |
| CN1950672A (en) * | 2004-05-06 | 2007-04-18 | 莱卡地球系统公开股份有限公司 | Levelling rod, level determining apparatus for said rod, and level determining method |
| CN201548351U (en) * | 2009-11-04 | 2010-08-11 | 湖南省计量检测研究院 | Automatic vision verification device of glass liquid thermometer |
| CN201955126U (en) * | 2011-01-07 | 2011-08-31 | 中国石油天然气股份有限公司 | Camera shooting type full-automatic standard container volume reading system |
| CN203100835U (en) * | 2013-01-31 | 2013-07-31 | 福建省计量科学研究院 | Automatic calibration device of fuel dispenser |
Non-Patent Citations (1)
| Title |
|---|
| 浅谈温度对燃油加油机检定的影响;刘雪刚;《科技资讯》;20110831(第24期);第46页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103162773A (en) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103134572A (en) | Calibration method of fuel dispenser | |
| CN107220645B (en) | Water meter identification method based on dynamic image processing | |
| CN103162773B (en) | The automatic calibrator of fuel charger | |
| CN202209973U (en) | Water level measuring instrument based on digital image processing technology | |
| CN106168461B (en) | A kind of novel telemeasurement calibration instrument | |
| CN107036966A (en) | The method of work of the water regime monitoring system of water quality situation is obtained by water surface image | |
| CN106441126A (en) | Method and system for measuring optical film thicknesses based on reflectivity spectra | |
| CN104180878A (en) | Container capacity automatic verification device and verification method thereof | |
| CN105222849B (en) | A kind of volumetric glass volumetric measurement system and method | |
| CN105608703A (en) | Current transformer oil level detection method of intelligent substation inspection robot | |
| CN103727888B (en) | Chromatic color filter film thickness measuring method and device | |
| CN203100835U (en) | Automatic calibration device of fuel dispenser | |
| CN110172399A (en) | A kind of ultramicron injection detection based on no lens imaging technology and control device and its method | |
| CN104848946A (en) | WIFI-based Michelson interferometer automatic detection device | |
| CN106989791B (en) | Cereal volume measuring device based on linear array CCD and measuring method thereof | |
| CN103162772B (en) | Fuel oiling machine detection method based on color card | |
| WO2009070798A1 (en) | Method and apparatus for three-dimensional digital particle image thermometry and velocimetry | |
| CN103542905A (en) | Water meter flow identifying method | |
| WO2021031633A1 (en) | Lng tank bottom volume measurement device and method therefor | |
| CN108956538A (en) | Remote sensing detection method and device for river oil spilling | |
| CN109242909A (en) | A kind of line-scan digital camera calibration algorithm towards high-precision two-dimensional dimensional measurement | |
| CN202117823U (en) | Oil mass detecting device of oil pump testing board | |
| CN106895921A (en) | A kind of product LED status detecting system and condition detecting device | |
| CN203216575U (en) | Automatic detection device using water meter measuring characteristics of visual device | |
| CN101738350B (en) | Device and method for continuously testing combustion speed of candle in real time |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |