CN207335827U - A kind of fuel charger automatic calibrator - Google Patents
A kind of fuel charger automatic calibrator Download PDFInfo
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- CN207335827U CN207335827U CN201721087528.2U CN201721087528U CN207335827U CN 207335827 U CN207335827 U CN 207335827U CN 201721087528 U CN201721087528 U CN 201721087528U CN 207335827 U CN207335827 U CN 207335827U
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Abstract
The utility model discloses a kind of fuel charger automatic calibrator, including standard capacity measure, oil inlet, regarding liquid pipe and scale, for magneto strictive sensor, the insertion in the middle part of the tank body of standard capacity measure, temperature sensor are placed in the lower side conduit of oil inlet and in standard capacity measure its feature；The magneto strictive sensor and temperature sensor are connected with a terminal respectively, and the terminal carries out data transmission with display control case；It is to be wirelessly transferred between the display control case and host computer；Terminal is carried out data transmission with display control case by RS485 communication modules；Carried out data transmission between display control case and host computer by wireless module.The utility model can examine and determine links to fuel charger and carry out automatic monitoring record, and realize fuel charger muzzle temperature, the automatic collection measurement of the parameter such as temperature, volume and flow in standard, the function such as calculate, it ensure that the accuracy and reliability of data, effectively increase calibration accuracy.
Description
Technical field
It the utility model is related to a kind of liquid automatic calibrator, the automatic Verification dress of more particularly to a kind of fuel charger
Put.
Background technology
Traditional fuel charger is mainly carried out using capacity comparison method, and the standard used mainly has standard capacity measure
And thermometer.Fuel charger adds a certain amount of oil product to standard capacity measure, is adjusted in showing for standard capacity measure in liquid pipe
The position of vernier caliper, shows liquid pipe liquid level by what human eye reading was connected with metering neck, while complete with stopwatch measurement oiling
Process time.The equilibrium temperature that thermometer messenger's part work and part study takes oil product in oil gun mouth temperature and standard measuring device is placed in metering neck,
Then orthobaric volume is obtained by calculation, is calculated compared with fuel charger indicating value.Traditional fuel oil refueling machine testing side
Method has the disadvantage that：1. liquid level and temperature value are using manually reading, data accuracy is poor, and safety and reliability is low；2.
Flow-measuring method is calculated according to the ratio between the gamut bulking value of fuel charger and refueling time, due to manual time-keeping by
Human factor has a great influence, and oiling starting and ending stage instability of flow, causes obtained flow number to be missed with actual
Difference is larger, in some instances it may even be possible to influences verification result.
The content of the invention
The purpose of this utility model is to provide a kind of fuel charger automatic calibrator, and the utility model can add fuel oil
Oil machine calibrating links carry out automatic monitoring record, and realize fuel charger muzzle temperature, temperature, volume and flow in standard
Automatic collection measurement etc. parameter, the function such as calculate, and greatly reduces manually-operated cumbersome, while ensure that the accurate of data
Property and reliability, effectively increase calibration accuracy.
The purpose of this utility model is achieved in that a kind of fuel charger automatic calibrator, including mark
Metalloid measuring device, oil inlet, regarding liquid pipe and scale, fuel oil to be examined and determine can inject standard capacity measure by oil gun through oil inlet
It is interior, it is characterised in that：Magneto strictive sensor insertion, temperature sensor in the middle part of the tank body of standard capacity measure are placed in oil inlet
Lower side conduit in and standard capacity measure in, the oil gun outlet temperature and standard capacity measure for being placed in oil inlet can be measured respectively
Interior oil temperature；The magneto strictive sensor and temperature sensor are connected with a terminal respectively, and the terminal is controlled with display
Case processed carries out data transmission；It is to be wirelessly transferred between the display control case and host computer；The terminal include microprocessor,
Liquid crystal display, RS485 communication modules, signal conversion module, the liquid crystal display, RS485 communication modules, signal conversion
Module is connected with microprocessor respectively, and the display control case includes RS485 guard gratings, man-machine interface, wireless module and fills
Electric lithium battery, terminal are carried out data transmission with display control case by RS485 communication modules；Between display control case and host computer
Carried out data transmission by wireless module.
The display control case is installed in explosion-proof tank, is designed as flame proof；The magneto strictive sensor, temperature pass
Sensor, terminal are to meet the component of intrinsic safety requirements, and connecting line is this wire arrangement between each component.
The utility model has the following advantages in real time：1. using after the utility model device, testing person is without using temperature
Degree meter gos deep into measuring oil temperature in oil gun outlet temperature and measuring device in measuring device, and measurement is inaccurate and cumbersome, and artificial without carrying out
It is a large amount of to calculate, accuracy and reliability that is manually-operated cumbersome, while ensure that data is greatly reduced, effectively increases inspection
Determine precision；2. magneto strictive sensor measurement oil body liquid level is used, this kind of sensor accuracy class height, reachable 0.05%, compared to
In eye recognition, measurement accuracy is substantially increased；3. take magneto strictive sensor reach 1/5 position of full scale to 4/5 position it
Between volume and the oiling time, to calculate the flow of oiling process, it is possible to prevente effectively from manually manual time-keeping operating error with
And the error that oiling starting and ending stage instability of flow is brought；4. liquid level Processing Algorithm can pass to avoid magnetostriction
The float ball density error that sensor is brought obtainsActual volume at DEG C, improves the accuracy of device.
Brief description of the drawings
Fig. 1 is the structure diagram of the fuel charger automatic calibrator of the utility model.
Fig. 2 is the device partial circuit schematic diagram of the utility model.
Fig. 3 is the implementing procedure block diagram of the utility model.
In figure：1- standard capacity measures；2- regards liquid pipe；3- scales；4- terminals；5- magneto strictive sensors；6- temperature passes
Sensor；7- oil inlets；8- display control casees；9- host computers.
Embodiment
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
The utility model design fuel charger automatic calibrator according to《JJG 443-2006 fuel oil refueling machine examinations
Set pattern journey》In relevant regulations, automatic monitoring record is carried out to fuel charger calibrating links, and realize fuel charger muzzle
In temperature, standard the parameter such as temperature, volume and flow automatic collection measurement, calculate etc. function, greatly reduce artificial behaviour
That makees is cumbersome, while ensure that the accuracy and reliability of data.The realization of the utility model includes following three parts content.
First, hardware and blast resistance construction
Fuel charger automatic calibrator structure as shown in Figure 1, including standard capacity measure 1, oil inlet 7, regarding liquid pipe 2
With scale 3, fuel oil to be examined and determine can be injected in standard capacity measure 1 by oil gun through oil inlet 7, its design feature is stretched for mangneto
In contracting sensor 5 is inserted into the middle part of the tank body of standard capacity measure 1, preferably magneto strictive sensor 5 is from standard capacity measure 1
The upper surface middle part of tank body is inserted into the tank body of standard capacity measure 1；Temperature sensor 6 is placed in the lower side conduit of oil inlet 7
In interior and standard capacity measure 1, the oil being placed in the oil gun outlet temperature and standard capacity measure 1 of oil inlet 7 can be measured respectively
Temperature；Terminal 4 can be set in the top of standard capacity measure 1, and the magneto strictive sensor 5 and temperature sensor 6 are distinguished
It is connected with terminal 4, the terminal 4 is the technology that persons skilled in the art can be realized, as shown in Fig. 2, it includes micro- place
Device, liquid crystal display, RS485 communication modules, signal conversion module etc. are managed, signal conversion module is the prior art, and signal is changed
Module includes temperature signal modular converter and magneto strictive sensor signal in oil gun outlet temperature signal modular converter, standard
Modular converter, its act on be magneto strictive sensor 5 and temperature sensor 6 data handled by signal conversion module after convey
To microprocessor；Terminal 4 carries out data transmission with display control case 8, and the data transfer communicates for RS485, is this area
The technology that those skilled in the art can realize；The technology that can be realized for persons skilled in the art in the display control case 8, such as
Shown in Fig. 2, it includes RS485 guard gratings, man-machine interface, wireless module and charged lithium cells etc., and wireless module can use RF433
Or WIFI wireless modules；To be wirelessly transferred between display control case 8 and host computer 9, described being wirelessly transferred can use RF433 or
WIFI wireless modules, are the technologies that persons skilled in the art can be realized.Injected from oil inlet 7 into standard capacity measure 1
Fuel oil to be examined and determine, oil inlet diameter are slightly larger than oil gun diameter, can block oil gun and prevent oil body from splashing；Temperature sensor 6 is surveyed
Oil temperature in gauging rifle outlet temperature and standard capacity measure 1；Magneto strictive sensor 5 in the middle part of the tank body of standard capacity measure by inserting
Enter, measurement oil body height；Oil temperature and oil body high transmission to terminal 4, terminal 4 can show list in oil gun outlet temperature, standard
Secondary measurement result（The calibrating of fuel charger need to respectively carry out 3 times at least two flow rate zones can just obtain calibrating conclusion）；Eventually
End 4 carries out data transmission with display control case 8, and display control case 8 is powered for terminal 4, and the display control case 8 is explosion-proof
Case, because display control case built-in lithium battery is powered for each component, is unsatisfactory for intrinsic safety requirement, therefore need to be by display control case 8
In explosion-proof tank, designed for flame proof；To be wirelessly transferred between display control case 8 and host computer 9, host computer sends instruction simultaneously
Receive, handle, storage data, host computer is typically placed in place of safety, can be place of safety outside gas station etc.；Measured
As a result can also be compared with the numerical value on the corresponding scale 3 of liquid pipe 2（This is inessential）.
The use occasion of fuel charger automatic calibrator is mainly gas station, need to meet the Explosion-proof Design of essential safety
It is required that.Essential safe type refer to circuit, system or equipment in normal state with defined failure, any electrical fire of generation
Flower, electric arc or other fuel factors cannot all cause the electrical equipment of defined Mixed Gases Explosion.Involved in the utility model
Electrical equipment, magneto strictive sensor, temperature sensor, terminal are to meet the component of intrinsic safety requirements, each component it
Between connecting line be this wire arrangement, display control case built-in lithium battery is each power elements, is unsatisfactory for intrinsic safety requirements, need to be installed on
In explosion-proof tank, designed for flame proof.
2nd, implementing procedure
The utility model fuel charger automatic calibrator carries out implementing procedure such as Fig. 3 institutes during fuel charger calibrating
Show.According to the height change of magneto strictive sensor, come sample temperature and time.Magneto strictive sensor is taken to reach full scale 1/
5 positions are to the volume between 4/5 position and oiling time, to calculate the flow of oiling process, it is possible to prevente effectively from artificial stopwatch
The error that the operating error and oiling starting and ending stage instability of flow of timing are brought.Reached in magneto strictive sensor
When 2/5 position of full scale, 3/5 position, 4/5 position, an oil gun outlet temperature is respectively gathered, and is averaged as most terminating
Fruit.When magneto strictive sensor change is less than 2mm/s, it is believed that oiling process has terminated, in order to wait oily foam and bubble collapse,
It need to postpone certain time reading.After time delay reaches, oil temperature in 1 measuring device is read every 3s, is read 3 times altogether, and be averaged
Value is used as final result, while reads magneto strictive sensor output data to calculate volume（Circular is shown in liquid level height
Spend Processing Algorithm）Etc. parameter.
3rd, liquid level Processing Algorithm
Liquid level is obtained by magneto strictive sensor Measurement and Data Processing, mainly by procedure below：Sensor is defeated
The linear signal gone out is converted to the height of floating ball range zero value；Since the nominal volume of standard capacity measure corresponds to magnetostriction
The output of sensor is demarcated with water, and the output of magneto strictive sensor is related with the position of floating ball, and floating ball exists
It is different that height is immersed in different densities liquid, therefore measure height to carry out oil body density revision；Held according to the indexing of metering neck
Product, bulking value is converted into by height value；Finally according to the oil temperature in oil temperature and standard capacity measure at oil gun mouth, repaiied into trip temperature
Just obtain actual volume.Specific algorithm is as follows.
1）Since the value of magneto strictive sensor output is linear digital signal, it is converted into pair by first order parameter amendment
The length of the floating ball range zero value of inductive sensing device, is shown in formula 1.
(formula 1)
Wherein：xThe signal directly exported for magneto strictive sensor,kFor corrected parameter,bFor corresponding zero value,
To measure height.
2）According to buoyancy formula, since the nominal volume of standard capacity measure corresponds to magneto strictive sensor
Output is demarcated with water, and the output of magneto strictive sensor is related with the position of floating ball, and floating ball is in different densities
It is different that height is immersed in liquid, therefore measures height to carry out oil body density revision, sees formula 2.
（Formula 2）
In formula：Height is measured to be modified；For the density of water；For fluid to be measured density；
3）Volume is shown in formula 3 with height relationships.
（Formula 3）
Wherein：For standard capacity measure at 20 DEG C orthobaric volume；For nominal volume；For under nominal volume
Calibrated altitude；To index volume, i.e., per the corresponding volumes of mm.
4）Standard capacity measure is measured in test temperatureUnder actual volume valueCalculation formula it is as follows.
(formula 4)
Wherein：Exist for standard capacity measureThe actual volume value provided at DEG C；It is standard capacity measure 20
Orthobaric volume at DEG C；、Respectively examine and determine medium and the coefficient of cubical expansion of standard capacity measure material；、Respectively
For the oil temperature in oil temperature and measuring device at oiling oil gun mouth.
Measuring device is obtained by 1,2,3,4 simultaneous of formula to existThe actual volume value provided at DEG CWith magneto strictive sensor
OutputAs shown in formula 5：
（Formula
5）.
4th, fuel charger automatic calibrator verification process：Host computer, which is sent, starts sense command, is opened in oil inlet 7
Beginning oiling, magneto strictive sensor and two-way temperature sensor are started to work, and real-time transmission data is to terminal 4；When oiling extremely
During 1/5 position of full scale of magneto strictive sensor, terminal 4 starts timing；Continue oiling to magneto strictive sensor to reach completely
2/5 position of range, terminal 4 read temperature sensor signal as first time oil gun outlet temperature；Continue oiling to magnetostriction
Sensor reaches 3/5 position of full scale, and terminal 4 reads temperature sensor signal as second of oil gun outlet temperature；Continue to note
Oil to magneto strictive sensor reaches 4/5 position of full scale, and terminal 4 reads temperature sensor signal and exported as third time oil gun
Temperature, and terminal 4 stops timing, and record the time segment value；Continue oiling to magneto strictive sensor change and be less than 2mm/s
When, oiling process terminates, and in order to wait oily foam and bubble collapse, delay certain time carries out reading；After time delay reaches, eventually
Oil temperature in 1 standard capacity measure is read in end 4 every 3s, reads 3 times altogether, terminal 4 reads the defeated of magneto strictive sensor at the same time
Go out data；Terminal 4 is recorded and handled to read data, and 1/5 position of full scale is reached according to magneto strictive sensor
The flow of oiling process is calculated to the volume between 4/5 position and oiling time, 3 oil gun outlet temperatures are averaged, 3
Oil temperature is averaged in standard capacity measure, and passes through above-mentioned formula 5 according to magneto strictive sensor output data parameter
The actual volume in standard capacity measure is obtained, measurement result is shown by the liquid crystal display of terminal 4, and uploads data to aobvious
Show control cabinet 8；Pass through wirelessly transmitting data to host computer；Host computer records data and shows as a result, and can be according to this practicality
The multiple measurement results of the new above method, which calculate, judges whether institute's survey fuel charger is qualified.
Claims (2)
1. a kind of fuel charger automatic calibrator, including standard capacity measure, oil inlet, regarding liquid pipe and scale, wait to examine and determine
Fuel oil can by oil gun through oil inlet inject standard capacity measure in, it is characterised in that：Magneto strictive sensor is from standard gold
Belong to insertion in the middle part of the tank body of measuring device, temperature sensor is placed in the lower side conduit of oil inlet and in standard capacity measure, can distinguish
Measurement is placed in the oil temperature in the oil gun outlet temperature and standard capacity measure of oil inlet；The magneto strictive sensor and temperature
Sensor is connected with a terminal respectively, and the terminal carries out data transmission with display control case；The display control case with it is upper
It is to be wirelessly transferred between the machine of position；The terminal includes microprocessor, liquid crystal display, RS485 communication modules, signal modulus of conversion
Block, the liquid crystal display, RS485 communication modules, signal conversion module are connected with microprocessor respectively, the display control
Case processed includes RS485 guard gratings, man-machine interface, wireless module and charged lithium cells, and terminal is led to display control case by RS485
News module carries out data transmission；Carried out data transmission between display control case and host computer by wireless module.
A kind of 2. fuel charger automatic calibrator according to claim 1, it is characterised in that：The display control case
In explosion-proof tank, designed as flame proof；The magneto strictive sensor, temperature sensor, terminal is meet essential peace
The component required entirely, connecting line is this wire arrangement between each component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721087528.2U CN207335827U (en) | 2017-08-29 | 2017-08-29 | A kind of fuel charger automatic calibrator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721087528.2U CN207335827U (en) | 2017-08-29 | 2017-08-29 | A kind of fuel charger automatic calibrator |
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| CN207335827U true CN207335827U (en) | 2018-05-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462306A (en) * | 2017-08-29 | 2017-12-12 | 福建省计量科学研究院 | A kind of fuel charger automatic calibrator |
| CN109990875A (en) * | 2019-03-26 | 2019-07-09 | 中国石油天然气股份有限公司甘肃销售分公司 | A kind of gas station's the measurement and calibration system |
| CN111649798A (en) * | 2020-06-30 | 2020-09-11 | 三一专用汽车有限责任公司 | Detection method, vehicle, detection device, and computer-readable storage medium |
-
2017
- 2017-08-29 CN CN201721087528.2U patent/CN207335827U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462306A (en) * | 2017-08-29 | 2017-12-12 | 福建省计量科学研究院 | A kind of fuel charger automatic calibrator |
| CN107462306B (en) * | 2017-08-29 | 2023-11-28 | 福建省计量科学研究院 | Automatic verification method for automatic verification device of fuel dispenser |
| CN109990875A (en) * | 2019-03-26 | 2019-07-09 | 中国石油天然气股份有限公司甘肃销售分公司 | A kind of gas station's the measurement and calibration system |
| CN111649798A (en) * | 2020-06-30 | 2020-09-11 | 三一专用汽车有限责任公司 | Detection method, vehicle, detection device, and computer-readable storage medium |
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