CN202453048U - Full-automatic online calibrating device of vehicle-mounted type heavy-caliber flow meter - Google Patents
Full-automatic online calibrating device of vehicle-mounted type heavy-caliber flow meter Download PDFInfo
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- CN202453048U CN202453048U CN2011204118894U CN201120411889U CN202453048U CN 202453048 U CN202453048 U CN 202453048U CN 2011204118894 U CN2011204118894 U CN 2011204118894U CN 201120411889 U CN201120411889 U CN 201120411889U CN 202453048 U CN202453048 U CN 202453048U
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Abstract
The utility model relates to a full-automatic online calibrating device of a vehicle-mounted type heavy-caliber flow meter, comprising two parts including a field vehicle-mounted assembly A and a control room assembly B, wherein a flow meter to be detected and the field vehicle-mounted assembly A are connected in an oil product channel front and back in series; the field vehicle-mounted assembly A comprises: one oil product channel formed by fixing and connecting an oil inlet rapid connector, a manual valve, an air-removing filter, a standard flow meter, a check valve, an electric valve, an oil outlet rapid connector and a connecting hose with a retractable fluid pipeline in series; the control room assembly B can be used for inputting relative signals of the standard flow meter and the flow meter to be detected, which are connected through a cable connector, and comprises a calibrating control computer for operating calibrating control software; and the control computer is connected with an output control instruction through a cable. The full-automatic online calibrating device disclosed by the utility model realizes real online calibration; the flow meter does not need to be detached and an oil product does not leak; the calibrating time is short and an oil consumption amount is less in a calibrating process; and therefore, the calibrating efficiency of an oil depot engine oil flow meter is extremely improved and the calibrating cost is reduced.
Description
Technical field
The utility model belongs to the meter proof technical field, particularly relates to the full-automatic in-line calibration device of a kind of vehicular heavy caliber flowing meter.
Background technology
The oil delivery flowmeter according to the relevant rules of country, regularly examined and determine.Way in the past is, according to the difference of flowmeter class of accuracy to be checked, or 1 year or half a year are once, from the hair oil system, removes seized flowmeter and delivers to the measurement verification center and examine and determine, and the front and back cycle needs time several weeks.
According to investigation to oil delivery meter proof mode; Almost whole at present hair oil flowmeters adopt traditional censorship mode to examine and determine; Indivedual flowmeters have adopted vehicle-mounted standard can mode to examine and determine; Latter's subject matter is when calibrating, the uncontrollable instability of flowmeter oil product flow, the flowmeter instrument coefficient when verification result can not accurately reflect actual hair oil.
The main measuring instrument of domestic petroleum accumulating storehouse highway hair oil system employing at present is a volumeter; Volumeter every half a year must adopt off-line type calibrating mode to examine and determine by the legal measurement verification department of locality; And there are a lot of drawbacks in the calibrating of volumeter off-line type, as: the flowmeter loss of accuracy that dismounting is loaded down with trivial details, workload is big, cost is high, reinstall.
According to result for retrieval to Chinese patent database, there is the developing background of two patents and the utility model comparatively similar, two patents are respectively: 1. CN201514259U " a kind of liquid flowmeter calibrating installation "; 2. CN201196585Y " the small-sized flowmeter verification device of vehicular ".
CN201514259U: this Patent equipment, there is not automatic flow rate adjusting device, can't gather automatically and regulating and controlling flow, from essence, can not accomplish the verification process of JJG667-1997 rules regulation automatically.Device is realized also more complicated.
Special centrifugal pump is not adopted in being characterized as of the utility model, but directly by the stabilized pressure pump of hair oil system, online in real time is examined and determine.Simultaneously, Application of Automatic Control makes the verification process manual intervention few, and efficient is high.Install exclusive technique device, make calibrating few with oil, the time is short.Realized the useful test flow process of a key general formula.
Among the CN201196585Y, though this device is realized vehicle-mounted and on-site proving,, still need the calibrating pipeline dismantled and be installed to seized flowmeter from original system.Simultaneously, this device does not have the automatic flow regulating system yet, needs the manual shift valve, adopt the method for pulse work merely, not only the calibrating time long, and calibrating is many with oil, has increased the complexity of examining and determine.
The major defect of above prior art is:
The one, the flowmeter dismounting is loaded down with trivial details, is difficult for carrying out;
The 2nd, excessive cycle influences the oil depot ordinary production;
The 3rd because the vibration of jolting in the dismounting transportation, and the calibrating unit when examining and determine its working condition be different from true hair oil system, cause verification result inaccurate;
The 4th, the dismounting flowmeter causes oil and gas leakage, and contaminated environment forms disaster hidden-trouble.
The utility model content
The purpose of the utility model is exactly in order to overcome the defective of prior art, to have proposed a kind of seized flowmeter and need not remove from original system, the full-automatic in-line calibration device of a kind of vehicular heavy caliber flowing meter that calibration operation is greatly simplified.Simultaneously, verification process is regulated, accomplished automatically to the wide flow range of can also realizing of this device, and calculate the calibrating data, up to printing certificate.
The full-automatic in-line calibration device of the vehicular heavy caliber flowing meter of the utility model is achieved in that
Described device comprises on-the-spot vehicular component A and pulpit assembly B two parts;
Described on-the-spot vehicular component A and online seized flowmeter are connected in the oil product output channel;
Described on-the-spot vehicular component A comprises: successively by oil-in rapid-acting coupling 1, hand valve 2, the filtrator 3 of cooling down, proving flowmeter 4, non-return valve 5, motorized valve 6, oil-out rapid-acting coupling 7 and connect the fixing and scalable fluid pipeline 14 of flexible pipe 13 and be cascaded and form an oil product passage;
Described pulpit assembly B comprises: the relevant signal that input proving flowmeter and online seized flowmeter pipeline send; Operation is equipped with the calibrating control computer of calibrating Control Software; The steering order that output calibrating control computer is sent.
In practical implementation
A branch line that connects orthobaric volume jar 8 and oil spilling case 9 through valve can also be arranged between the motorized valve 6 of described on-the-spot vehicular component A, oil-out rapid-acting coupling 7;
Be provided with absolute pressure transmitter 10 cooling down of described on-the-spot vehicular component A between filtrator 3 and the proving flowmeter 4; Between proving flowmeter 4 and non-return valve 5, be provided with differential pressure transmitter 11 and temperature transmitter 12 successively;
Described proving flowmeter comprises with the relevant signal of seized flowmeter input: the temperature of the temperature sensor of the installation on fluid circuit, differential pressure transmitter 11 and absolute pressure transmitter 10, pressure reduction and pressure data signal;
Described control computer connects the aperture that the steering order of exporting is used to control motorized valve 6 through cable, realizes the automatic adjusting of flow.
The calibration method of the full-automatic in-line calibration device of vehicular heavy caliber flowing meter of the utility model comprises the steps:
1. near connecting line: described in-line calibration device is accommodated to the seized flowmeter hair oil oil filling riser, hair oil oil filling riser joint is inserted the oil-in of online calibrating installation, use flexible pipe to connect online calibrating installation oil-out and tank wagon oil-in;
2. stube cable: connect the cable between online calibrating installation assembly and the master-control room assembly;
3. calibrating is provided with: carry out the basic setup of verification process through the calibrating software of computing machine, comprise the setting of flow point;
4. automatic Verification: after treating hair oil system start-up hair oil, press beginning on the main control computer software interface and examine and determine button, manual work is no longer intervened, and is accomplished automatically according to the flow point of setting by device and examines and determine;
5. Generate Certificate: after calibrating was accomplished, computing machine Generated Certificate, and operating personnel promise certificate and sign and issue.
In practical implementation,
Described " stube cable " be used to connect the calibration calculation machine that is positioned at master-control room and the relevant signal of seized flowmeter be positioned near the crane position, seized flowmeter place, the oil delivery Room vehicular component, this cable can be one or several;
Described " connecting line " is connected the hair oil pipe joint with the fuel inlet fitting of device, the delivery connection of device inserts the tank wagon or the pipeline of migrating through flexible pipe or alternate manner;
Described " basic setup " is the information that is provided with that verification process is carried out in advance, can be saved in the software, when next time same flowmeter being examined and determine, can directly access use;
Described " automatic Verification " is that the operator presses the relevant button on the main control computer calibrating software, and then formal verification process begins.Pilot process does not need the manual work intervention, needs calibrating to suspend except the situation that perhaps stops to examine and determine.
Furtherly; The full-automatic in-line calibration device of the vehicular heavy caliber flowing meter of the utility model, mainly by proving flowmeter, motorized valve, the filtrator of cooling down, non-return valve, hand valve, fixing and scalable fluid pipeline, connect flexible pipe, special-purpose oil filling riser rapid-acting coupling, orthobaric volume jar, oil spilling case, site processor, differential pressure transmitter, absolute pressure transmitter, temperature transmitter, explosion-proof tank and control computer that verification process controller and pulse collection comparative device be housed constitute.The said equipment is installed to except that control computer on the vehicle skid chassis, and overall fixed is to special-purpose vehicle.The operator uses a control computer that the calibrating Control Software is installed to carry out verification process control.
When implementing calibrating, device is accommodated near the seized flowmeter, uses the hose connection device oil-out to the tank wagon oil-in, hair oil oil filling riser joint insertion device oil-in.The calibration calculation machine that connects feed cable, telecommunication cable to pulpit by explanation.The calibrating software of opening computing machine carries out basic setup, treat hair oil system start-up hair oil after, press " begin calibrating " button.Device will be according to JJG667-1997 " liquid capacity formula flowmeter " specified standard vertification regulation; The fluid flow regulation of seized flowmeter will flow through one by one to several flow points that are provided with, and the fixed number of times of every spot check set pattern is up to accomplishing calibrating; Computational data Generates Certificate and prints.The control accuracy of each flow point is superior to ± and 1.5%, meet the stability requirement of vertification regulation to calibrating flow point.The whole uncertainty of device reaches 6/10000ths. six, can satisfy the calibrating requirement of most of hair oil flowmeters.
The utility model is used for the online in real time calibrating of oil delivery system liquid volumeter, and all drawbacks of oil delivery flowmeter tradition calibrating mode have been avoided in the application of this device fully, have saved metage usefulness, have improved calibrating efficient.The utility model will form favorable social and economic benefits applying of field of oil delivery flow system flow meter calibrating.
The on-line Full calibrating installation scheme of vehicular heavy caliber flowing meter theory based on method of standard table comes from national metrological verification regulations JJG667-1997 " liquid capacity formula flowmeter " and the JJG164-2000 of National Quality & Technology Inspection Bureau " fluid flow standard set-up vertification regulation ".Be applicable to that the liquid capacity formula flow in the use takes into account the in-line calibration of flow sensor.Device can be used for method of standard table (or claiming the proving flowmeter method) and standard measuring device method (or claiming volumetric method).
" error of device generally should be no more than 1/3 of flowmeter limit of intrinsic error to JJG 667-1997 [13.2] regulation, minimum 1/2 of the flowmeter limit of intrinsic error that is no more than." precision of proving flowmeter is 0.1%, so device is examined and determine 0.2 grade flowmeter under the prerequisite that guarantees 0.1% precision.
In the full-automatic in-line calibration device of vehicular heavy caliber flowing meter utility model process, adopted multinomial technology mainly to comprise: two-way pulse collection comparison technology; Calibrating flow point automatic adjustment technology based on PID makes the control accuracy of flow point be superior to 1.5%; Automated system hierarchical control technology has realized the operation of a key general formula.In addition,, also adopted the fluid mechanics specialized designs of optimizing, made pipeline minimum the influence of calibration accuracy to the oil product pipeline of vehicular component.
On temperature, pressure acquisition, site of deployment processor, FPU site processor be multiple sensors interface still not, also is a data process unit.The interruption that makes proving flowmeter flow collection and the valve flow control of device not brought by the temperature and pressure collection influences.
The utility model overcomes the shortcoming of flowmeter tradition calibration method fully, can calibrating installation be accommodated to by arbitrary seized flowmeter, through certain connected mode and operation steps, realizes the full-automation of seized flowmeter, online, high-precision calibrating.Not only need not remove seized flowmeter, and realize that the actual hair oil frontier inspection in limit is fixed, not influence ordinary production fully.Use automated flow control system and high-accuracy pulse and dash the comparison technology, make the operator only need press " beginning calibrating " button, just can accomplish whole calibration operations automatically, generate calibration certificate according to JJG667-1997 " liquid capacity formula flowmeter " regulation.Whole process time weak point only needed less than 10 minutes, and consumption oil is few, has greatly improved the calibrating efficient of hair oil flowmeter, can be oil depot and saved a large amount of metages usefulness.
The utility model is stated two close patents and is had obviously different with aforementioned.Difference is:
⑴ above-mentioned two patents all have centrifugal pump, as the power source of liquid flow; The utility model directly adopts the hair oil pump of hair oil system as the oil product power source, realizes more easy.
⑵ the utlity model has motorized valve, do not need people's wage adjustment valve, and above-mentioned two patents have only hand valve.
⑶ the utlity model has the flow varitrol, can realize the adjusting successively automatically of each flow point, and above-mentioned two patents do not possess.
⑷ the utility model operator only need press the button whole calibration operations that can realize standard code, if above-mentioned two patents realize standard code calibrating flow process, in verification process, needs manual intervention.
⑸ 2. above-mentioned patent need be pulled down flowmeter from original system, refill on the calibrating installation, and the utility model does not need.
⑹ the utility model adopt advanced based on the FPGA ratio of pulse length to the total cycle length to plate, be different from the direct pulse counting method of above-mentioned two patents.
⑺ owing to ⑹, and the utility model is more saved time than above-mentioned two utility models and examined and determine with oil.
Therefore, the practicality of the utility model is stronger, and experimental result shows that this device verification result accurately, reliably, and is easy to use, efficient, can save a large amount of metage usefulness, and economic results in society are remarkable.
The utility model is mainly used in the in-line calibration of oil delivery flow system flow meter.One covering device can satisfy the calibrating needs of the hair oil flowmeter of 3～5 oil depots, and every key city can be equipped with diesel oil and gasoline two covering devices, is respectively applied for the calibrating of diesel oil hair oil flowmeter and gasoline hair oil flowmeter.See that from the oil depot distribution situation that China is present the whole nation has the potential consumption of hundreds of covering devices approximately, economic results in society are huge.
The described vehicular heavy caliber flowing meter of the utility model in-line calibration device; Real-time online formula, robotization, the high precision calibrating of oil delivery flowmeter have been realized; Greatly improve the calibrating efficient of oil delivery flowmeter, reduced the calibrating cost, avoided environmental pollution.Has favorable social and economic benefits.
Description of drawings
Fig. 1 the utility model in-line calibration device synoptic diagram
Fig. 2 the utility model device technique schematic flow sheet
Fig. 3 the utility model apparatus control system synoptic diagram
Description of reference numerals:
The rapid-acting coupling of 1-oil-in; The 2-hand valve; The 3-filtrator of cooling down; The 4-proving flowmeter;
The 5-non-return valve; The 6-motorized valve; The rapid-acting coupling of 7-oil-out; 8-orthobaric volume jar;
9-oil spilling case; 10-absolute pressure transmitter; The 11-differential pressure transmitter; The 12-temperature transmitter;
13-connects flexible pipe; The scalable fluid pipeline of 14-; The 15-retaining valve; The 16-electric control valve;
17-standard can hand valve; 18-standard meter measuring tank; 19-calibrating installation control system;
20-examines and determine control computer; The 21-hand valve that enters the mouth; 22-exports hand valve;
The 23-site processor; The seized flowmeter of 24-; 25-flow pulse collection comparison plate;
26-flow pulse accumulation plate; The 27-RTU controller; The 28-converter;
29-standard scale place temperature sensor; 30-standard scale place pressure unit;
The seized table of 31-place temperature transmitter; The seized table of 32-place pressure unit;
Embodiment
Like the full-automatic in-line calibration device of the described a kind of vehicular heavy caliber flowing meter of Fig. 1-3, comprise on-the-spot vehicular component A and pulpit assembly B two parts;
On-the-spot vehicular component A and online seized flowmeter are connected in the oil product output channel;
On-the-spot vehicular component A comprises: successively by oil-in rapid-acting coupling 1, hand valve 2, the filtrator 3 of cooling down, proving flowmeter 4, non-return valve 5, motorized valve 6, oil-out rapid-acting coupling 7 and connect the fixing and scalable fluid pipeline 14 of flexible pipe 13 and be cascaded and form an oil product passage;
Pulpit assembly B comprises: the relevant signal that input proving flowmeter and online seized flowmeter pipeline send; Operation is equipped with the calibrating control computer of calibrating Control Software; The steering order that output calibrating control computer is sent.
A branch line that connects orthobaric volume jar 8 and oil spilling case 9 through valve is arranged between the motorized valve 6 of vehicular component A, the oil-out rapid-acting coupling 7 at the scene;
Cooling down of vehicular component A is provided with absolute pressure transmitter 10 between filtrator 3 and the proving flowmeter 4 at the scene; Between proving flowmeter 4 and non-return valve 5, be provided with differential pressure transmitter 11 and temperature transmitter 12 successively;
Proving flowmeter comprises with the relevant signal of seized flowmeter input: the temperature of the temperature sensor of the installation on fluid circuit, differential pressure transmitter 11 and absolute pressure transmitter 10, pressure reduction and pressure data signal;
Control computer connects the aperture that the steering order of exporting is used to control motorized valve 6 through cable, realizes the automatic adjusting of flow.
Introduce a kind of embodiment of the utility model below.
One. calibrating preliminary work
1. personnel prepare
Calibrating side: 3 people, a main operation person is responsible for electrical wiring, software operation in the pulpit; Two checkers are in hair oil field observation flowmeter, tensimeter, pipeline situation.
Oil depot side: 3 people, a hair oil keeper is responsible for start-stop hair oil; An oil depot slip-stick artist is responsible for checking pulpit PLC switch board wiring; An oil tank fire control person is responsible for monitoring burst accidents such as the condition of a fire.
2. the equipment article are prepared
The whole accessories of vehicular flowmeter in-line calibration system; The engineering truck spark arrester; 18T down-mounting type list chamber tank wagon; The seized flowmeter crane of oil delivery platform position; Portable electrostatic grounding case; 2 ones of protected against explosion intercoms; Oil tank fire control car (subsequent use); But the hair oil amount is no less than 8 tons hair oil card.
Two. concrete verification step
1: the appropriate position that rests in flow calibrating car seized flowmeter hair oil oil filling riser.This status requirement hair oil oil filling riser can be advantageously connected to the oil-in of flow calibrating car, is convenient to connect flexible pipe and connects oil-out and stride across the following threading hydraulic fluid port that hair oil booth Pipe frame is connected to tank wagon.Simultaneously, be accommodated to the appropriate position of hair oil platform opposite side to tank wagon, require the same.
2: oil delivery person is connected the electrostatic grounding folder for flow calibrating car with tank wagon.
3: the hair oil oil filling riser rapid-acting coupling of seized flowmeter is connected to flow calibrating car oil-in.
4: will connect flexible pipe one end and be connected to flow calibrating car oil-out, the other end strides across hair oil booth Pipe frame and is connected to dress hair oil mouth under the tank wagon.Notice that the flexible pipe cross-over connection should exceed certain altitude than oil-out, so that the pipeline back pressure to be provided.
5: the tank wagon exhausr port is connected to oil gas reclaims oil filling riser rapid-acting coupling.
6: the feed cable dish is communicated by letter with RS485 and the pin of seized table signal cable dish is opened; With two cable pullings to hair oil PLC pulpit; If the pulpit can provide the temperature and pressure signal of seized flowmeter, then also be drawn to the pulpit to the cable on the cable in stock dish.
7: with the pin pinning of cable drum, in case cable drum rotates in verification process.Then; The explosion-proof aviation plug of power lead (bottom half the first from left cable), communication and the explosion-proof aviation plug of seized table signal wire (bottom half the second from left cable) that the explosion-proof wiring case is drawn insert the aviation socket on the corresponding cable drum side respectively; The attention socket wants consistent with the color on the plug, in order to avoid wrong.Insert seized flowmeter temperature and pressure signal if desired, then insert the explosion-proof aviation plug of seized flowmeter temperature and pressure signal wire (a bottom half left side three) the aviation socket of respective cable dish.So far the pipeline in hair oil district is connected completion with cable.
8: get back to PLC hair oil pulpit, the RS485 communication plug is inserted the RS232 serial line interface of calibration calculation machine.
9: through consulting subsidiary drawing of PLC hair oil switch board or inquiry oil depot slip-stick artist; Find the connection terminal of pulse signal in switch board of seized flowmeter; This signal negative terminal inserts the 24V power supply negative terminal of PLC switch board; Anode inserts signal input part, and wire size mark general type is represented the signal anode of hair oil booth 3-2 flowmeter like " FT-XXX-S ± " like FT-302-S+.After finding connection terminal; The positive input terminal (redness) of the seized table signal of RS485 communication and seized table signal cable is attempted by the positive connection terminal of seized flowmeter of PLC switch board; Be attempted by the negative terminals of seized flow meter signal in the PLC switch board to the negative input end (white) of the seized table signal of cable, perhaps insert any 24V power supply negative terminal in the PLC switch board.Attention: when connecting seized table pulse signal, must carefully examine the subsidiary drawing of switch board, must obtain to carry out wiring after relevant oil depot slip-stick artist confirms.If the pulpit provides the pressure and temperature signal of seized table, then connect the pressure and temperature signal cable of seized table with reference to said process.
10: use intercom and hair oil district personnel contact, confirm on-the-spot no abnormal situation after, the plug of feed cable is inserted the 220V AC socket, be that flow calibrating car is supplied power.Use intercom and hair oil district personnel to keep in touch,, break off power supply rapidly if any abnormal conditions.
11: open the calibration calculation machine.
12: on computer desktop, find the shortcut and the double-click of " flowmeter in-line calibration " by name, open flowmeter in-line calibration system software.
13: in the login interface of ejection, the input username and password, and click and confirm.
14:, please refer to the setting that the software operation instructions are examined and determine essential information in advance if also the calibrating essential information is not provided with.During normal the calibrating, these information should be carried out setting.Click " getting into the calibrating flow process " button at this interface, eject " test condition setting " dialog box.
15: in " test condition setting " interface; Select oil depot, calibrating place, seized flow meter number according to prompting; In the light of actual conditions import parameters such as tank car capacity, calibrating medium, medium temperature, working pressure, environment temperature, relative humidity and atmospheric pressure; Wherein tank car capacity, medium temperature, working pressure require accurately as far as possible, and other parameter is not strict with.After the completion, click " preserve and be provided with " button, click " next step ".Eject verification process the interface is set.
16: in " verification process setting " interface; Select calibrating pattern (useful test pattern, the calibrating pattern of simplifying), valve prosecutor formula, PID to regulate pattern (if having selected PID valve prosecutor formula); The parameter that PID regulates is confirmed in experiment, is not generally changed.According to required calibrating flow point, be provided with one by one from big to small.Under the useful test pattern, examine and determine 5 flow points one by one; Under the simplification pattern, only examine and determine 1 flow point.Should be specifically noted that, the maximum instantaneous flow when the calibrating point maximal value of input should be less than valve wide open, and the minimum measurable flow amount of overgauge flowmeter is 20m
3/ h.EOI is clicked " deposit ", and click " next step ".Eject the artificial and automatic affirmation dialog box of test condition this moment.
17: carefully examine the artificial test condition of confirming one by one, condition satisfies then clicks the preceding choice box of this condition.Should use getting in touch of intercom maintenance and hair oil district personnel this moment.Notify the other side to open manually-operated gate, inspection and compose automatically whether oil system (hair oil card) is ready, the relevant personnel are in place, choose each affirmation condition.After full terms satisfied, system got into the calibrating master control interface.
18: the following dress that parameter is set.Click " adorning under the parameter " button, promptly in the RTU controller that installs to flow calibrating car under the relevant verification parameters that was provided with just now, RTU will use these parameters to carry out the control operation of whole verification process.The operator must wait for that " dress is accomplished under the parameter " operation indicating occurs, and can not carry out subsequent operation this moment.
19: beginning hair oil.Call out the site operation people, open the hair oil process, the field staff pays close attention to the pipeline situation simultaneously, as has or not abnormal conditions such as leakage.The site operation people carries out bleeding to proving flowmeter, the pressure unit on the calibrating car, and the filtrator of cooling down also should be accomplished regular exhaust.At this moment, vehicle control syetem carries out initialization operation, and system monitoring occurs to flow, begins motorized valve is slowly reached 100% from 43% of original state, adjusts back 97% then, accomplishes initialization.In initialization procedure, motorized valve does not respond the switching manipulation of calibrating main frame.
20: the main operation person of calibrating host computer side keeps watch on the calibrating software interface, and whether observe each association normal, like the size of instantaneous delivery, and the situation of change of integrated flow, valve opening, pressure and temperature data etc.Must especially note; The maximum flow that instantaneous delivery under the valve wide open situation can provide for this seized flowmeter pipeline; Whether the flow calibrating point that inspection was provided with just now within this flow range, if the calibrating point is arranged not within the actual flow scope, then clicks " getting into the calibrating flow process " button of top, interface; Entering calibrating point is provided with the interface and resets the calibrating point value, gets back to main monitoring interface then and carries out again adorning under the parameter.
21: start calibrating.Oil product was stablized overcurrent after 5 minutes in waiting to manage, and, then clicked " starting calibrating " button like no abnormal phenomenon, began this calibrating.
22: the calibrating process.After starting calibrating, vehicle-mounted RTU controller will be regulated motorized valve from high to low automatically according to the calibrating flow point that is provided with, be adjusted in the certain limit of this flow point after, begin this point is carried out 3 calibratings, a some end begins to be adjusted to next point.The speed of flow regulation depends on the pid parameter of setting, can in long-term calibrating, be optimized this parameter.Represent the calibrating process with the point of flicker on the main interface, pink color dot is represented not examine and determine as yet, and the expression of red point is being regulated, and white point is represented to examine and determine, and the expression of green point has been examined and determine, so that the calibrating process of grasping this moment at any time.In verification process, the operator can click " calibrating record " button of top, interface, observes the calibrating raw data at any time, can get back to the main interface of monitoring through clicking " calibrating flow process " button.
23: suspend calibrating.If the incident of time-out takes place in the verification process to interrupt, expire like tank wagon, can click " suspending calibrating " button, verification process is suspended, after the condition of treating was ready again, click " continuation calibrating " button was then opened verification process again.
24: calibrating is accomplished.After the flow point that is provided with was all examined and determine end, " stopping to examine and determine " red button at main interface automatically reset and becomes green, shows " start and examine and determine ", representes verification process normally completion, examines and determine the database that data have all been read in the calibration calculation machine this moment.
25: Generate Certificate and print.Click " Generating Certificate " on the main interface, credential interface occurs, and require with the login of " calibrating verifier " identity.
Click " confirming ", get into login interface.
Confirm after inputing user name, password, then can see the calibration certificate of generation.Username and password is provided with in essential information, can use specifying in the document referring to software.Click " printing " button on certificate top, can calibration certificate be printed, the critical datas such as instrument coefficient, repeatability, limit of intrinsic error of seized flowmeter are arranged on the certificate.The operator carries out follow-up veritification, signature by the relevant regulation in measurement verification station, relevant oil company then, accomplishes calibrating.
26: finish verification task.Remove wiring item by item, retracting cable recovers original-pack to the measurement verification car, sails out of the hair oil district, finishes this verification task.
Claims (5)
1. full-automatic in-line calibration device of vehicular heavy caliber flowing meter is characterized in that:
Described device comprises on-the-spot vehicular component A and pulpit assembly B two parts;
Described on-the-spot vehicular component A and online seized flowmeter are connected in the oil product output channel;
Described on-the-spot vehicular component A comprises: successively by oil-in rapid-acting coupling (1), hand valve (2), the filtrator of cooling down (3), proving flowmeter (4), non-return valve (5), motorized valve (6), oil-out rapid-acting coupling (7) and connect the fixing and scalable fluid pipeline (14) of flexible pipe (13) and be cascaded and form an oil product passage;
Described pulpit assembly B comprises: the relevant signal that input proving flowmeter and online seized flowmeter pipeline send; The calibrating control computer; The steering order that output calibrating control computer is sent.
2. the full-automatic in-line calibration device of vehicular heavy caliber flowing meter as claimed in claim 1 is characterized in that:
Between the motorized valve (6) of described on-the-spot vehicular component A, oil-out rapid-acting coupling (7), also has a branch line that connects orthobaric volume jar (8) and oil spilling case (9) through valve.
3. the full-automatic in-line calibration device of vehicular heavy caliber flowing meter as claimed in claim 1 is characterized in that:
Between the filtrator of cooling down (3) of described on-the-spot vehicular component A and proving flowmeter (4), be provided with absolute pressure transmitter (10); Between described proving flowmeter (4) and non-return valve (5), be provided with differential pressure transmitter (11) and temperature transmitter (12) successively.
4. the full-automatic in-line calibration device of vehicular heavy caliber flowing meter as claimed in claim 1 is characterized in that:
Described proving flowmeter (4) comprises with the relevant signal that online seized flowmeter pipeline sends: temperature, pressure reduction and pressure data signal that the temperature sensor of on its pipeline, installing, differential pressure transmitter (11) and absolute pressure transmitter (10) send.
5. the full-automatic in-line calibration device of vehicular heavy caliber flowing meter as claimed in claim 4 is characterized in that:
Between the motorized valve (6) of described on-the-spot vehicular component A, oil-out rapid-acting coupling (7), also has a branch line that connects orthobaric volume jar (8) and oil spilling case (9) through valve;
Between the filtrator of cooling down (3) of described on-the-spot vehicular component A and proving flowmeter (4), be provided with absolute pressure transmitter (10); Between described proving flowmeter (4) and non-return valve (5), be provided with differential pressure transmitter (11) and temperature transmitter (12) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204118894U CN202453048U (en) | 2011-10-25 | 2011-10-25 | Full-automatic online calibrating device of vehicle-mounted type heavy-caliber flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204118894U CN202453048U (en) | 2011-10-25 | 2011-10-25 | Full-automatic online calibrating device of vehicle-mounted type heavy-caliber flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453048U true CN202453048U (en) | 2012-09-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076067A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Full-automatic online calibrating device and calibrating method for vehicle-mounted large-aperture flow meter and calibrating method |
| CN104599582A (en) * | 2015-03-03 | 2015-05-06 | 浙江海洋学院 | Teaching experimental device for oil depot oil collection and distribution verification |
| CN108195437A (en) * | 2018-01-26 | 2018-06-22 | 湖北艾度科技有限公司 | A kind of movable type oil filling riser flow measurement vehicle |
| CN110398277A (en) * | 2018-04-25 | 2019-11-01 | 中国航空油料有限责任公司 | A kind of aviation kerosine tank service truck calibration method and system |
-
2011
- 2011-10-25 CN CN2011204118894U patent/CN202453048U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076067A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Full-automatic online calibrating device and calibrating method for vehicle-mounted large-aperture flow meter and calibrating method |
| CN104599582A (en) * | 2015-03-03 | 2015-05-06 | 浙江海洋学院 | Teaching experimental device for oil depot oil collection and distribution verification |
| CN108195437A (en) * | 2018-01-26 | 2018-06-22 | 湖北艾度科技有限公司 | A kind of movable type oil filling riser flow measurement vehicle |
| CN110398277A (en) * | 2018-04-25 | 2019-11-01 | 中国航空油料有限责任公司 | A kind of aviation kerosine tank service truck calibration method and system |
| CN110398277B (en) * | 2018-04-25 | 2021-08-03 | 中国航空油料有限责任公司 | Aviation kerosene fuelling vehicle verification method and system |
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