CN107764479A - A kind of precision pressure gauge batch measurements verification system and method - Google Patents
A kind of precision pressure gauge batch measurements verification system and method Download PDFInfo
- Publication number
- CN107764479A CN107764479A CN201710955021.2A CN201710955021A CN107764479A CN 107764479 A CN107764479 A CN 107764479A CN 201710955021 A CN201710955021 A CN 201710955021A CN 107764479 A CN107764479 A CN 107764479A
- Authority
- CN
- China
- Prior art keywords
- checklist
- data
- precision pressure
- calibrating
- pressure gauge
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to a kind of precision pressure gauge batch measurements verification system and method, including prepressing device, media Containers, digital precision pressure meter, precompressed hand pump, multiple stop valves, multiple tested meter connectors, multiple first single table fine setting hand pumps and the multiple second single table fine setting hand pumps being connected on pressure piping；Also include control system and collection key, each the corresponding one group of stop valve of tested meter connector, a first single table fine setting hand pump, a collection key and a second single table fine setting hand pump；Control system includes control unit, Data Enter unit, data acquisition unit and data processing unit；The present invention solve existing pressure gauge metering calibrating efficiency is low, can not realize digitlization, it is intelligent with mass, the problems such as error introducing probability is big, and the problem of eliminate existing calibration method artificial pro-active intervention.
Description
Technical field
The invention belongs to measurement verification field, more particularly to a kind of precision pressure gauge batch measurements verification system and method.
Background technology
Existing precision pressure gauge measurement and examination method is that single tested precision pressure gauge information solicitation is original to papery
In record, calculate and fill in the limits of error of tested precision pressure gauge, maximum allowable hysterisis error etc.；Fill in standard
(including piston gage, digital precision pressure meter, pressure controller etc.) relevant information is into papery original record；Single
Tested precision pressure gauge is effectively connected with standard, respectively by standard pressure-loaded to each calibrating point, to checklist
1/10th according to its scale division value carry out estimating reading, and each point carries out rapping the reading twice before and after watchcase respectively, carries out papery
All data each put are recorded, it is light that the checklist maximum error of indication, maximum hysterisis error, maximum are calculated after the completion of data record
Pointer displacement amount is struck, information is calculated by more than and is compared with information such as the theoretical maximum allowable errors of checklist, is judged tested
The measurement verification result of precision pressure gauge.Original record is subjected to signature archive again, the effective information of original record is entered into
Digital certificates are generated in the electronic stencil of calibration certificate (rejection notice of verification), then authorizes and is printed.
Problems be present in above-mentioned technology：
First, miscellaneous original record writing, it is a main problem for influenceing its measurement verification efficiency.Due to writing
More, calculating is more, and human factor introduces error or the probability of mistake is also very big.
Next, estimates reading, difficulty is larger, and error is drawn for 1/10th of each scale division value indexing lattice of checklist
The important sources entered.
Again, the artificial information that will calculate is compared with information such as the theoretical maximum allowable errors of checklist, to judge
The measurement verification result of tested precision pressure gauge, different verification worker, for measurement result in limit of error point (maximum allowable mistake
Difference) " looking for " measurement result situation it is also different, i.e. the personal habits of verification worker are also to influence a weight of final metric results
Want factor.
Finally, metering process can not realize that digitlization, intelligent and mass are also hinder pressure magnitude transmission one
Bottleneck.And existing pressure measurement is caused to belong to a key factor of labor intensive present situation.
The content of the invention
The invention provides a kind of precision pressure gauge batch measurements calibration method and system, solves existing pressure gauge
Amount calibrating efficiency is low, can not realize digitlization, intelligent and mass, error introduce the problems such as probability is big, and eliminated existing
The problem of calibration method artificial pro-active intervention.
The technical scheme is that providing a kind of precision pressure gauge batch measurements verification system, it is characterized in that：
Including be connected on pressure piping prepressing device 1, media Containers 2, digital precision pressure meter 3, precompressed hand pump 4, multiple cut-offs
Valve group, multiple tested meter connectors 6, multiple first single table fine setting hand pumps 81 and multiple second single table fine setting hand pumps 82；
Also include control system 10 and collection key 9, each the corresponding one group of cut-off valve group of tested meter connector 6, first list
81, collection keys 9 of table fine setting hand pump and a second single table fine setting hand pump 82；
The control system 10 includes control unit, Data Enter unit, data acquisition unit and data processing unit；
Described control unit is connected with prepressing device 1, for controlling the regulating system pressure of prepressing device 1；Described information is recorded
Enter unit and be used for typing checklist and digital precision pressure meter information, and divide the calibrating of checklist automatically according to checklist information
Point；The data acquisition unit is connected by gathering key 9 with digital precision pressure meter, for gathering the reality of digital precision pressure meter
When pressure data information；The data processing unit is used to analyze and the data message of processing data collecting unit collection.
Preferably, the verification system also includes being used for the longitudinal stop valve 51 for controlling the tested break-make of meter connector 6.Due to precision
Pressure gauge belongs to stem-winder, and mechanical failure easily occurs, so as to cause leakage.So situation about being revealed if there is single table, just
The measurement verification process of easily other checklists of single table isolation without influenceing whole batch can be realized.These stop valves can
To realize staged isolation to whole pipeline, the maintaining for pipeline produced problem and pipeline provides more solutions
Scheme.
Preferably, decompression protection valve is also included in above-mentioned pressure piping.
Preferably, above-mentioned prepressing device is vavuum pump or compression pump.
The present invention also provides a kind of based on above-mentioned a kind of precision pressure gauge of precision pressure gauge batch measurements verification system batch
Measurement and examination method is measured, is comprised the following steps：
1) by range classification checklist, precision pressure gauge is arranged on after the checklist of same range section is carried out into visual examination
In batch measurements verification system；
2) the checklist information of Data Enter unit typing difference installation site；
3) digital precision pressure meter in Data Enter unit automatic identification precision pressure gauge batch measurements verification system, sentences
Whether the information of disconnected digital precision pressure meter matches with checklist, if digital precision pressure meter matches with checklist, automatically
Typing digital precision pressure meter information；Otherwise, digital precision pressure meter, repeat step 3 are changed)；Main matching measurement range, standard
Exactness grade.Whether the digital precision pressure meter limits of error absolute value as standard can reach no more than checklist most
1/4 regulatory requirements of big allowable error absolute value.
4) the typing information of existing vertification regulation and checklist, each checklist of Data Enter automatic cell generation are combined
No data precision pressure gauge original record, and generate the calibrating point of checklist；For the checklist of non-standard range, draw manually
Divide input calibrating point；
5) pressure in precision pressure gauge batch measurements verification system pressure piping is adjusted to examine and determine by prepressing device
Near point；Precompressed hand pump is manually finely tuned again to be adjusted to pressure in system to examine and determine point, is adjusted two-stage fine setting hand pump again, is made
Each checklist is accurately to pin to examining and determine a little；
After carrying out checklist to table, each calibrating point carries out gathering each quilt to table, data acquisition unit twice every time
Each calibrating point of table is examined twice to corresponding digital precision pressure meter data after table, respectively obtains this digital precision for examining and determine point
What the data of pressure gauge and its calibrating were put raps pointer displacement amount；
6) after all calibrating points of checklist have been examined, all data in data acquisition unit are preserved, as initial original
Begin record；
7) data processing unit carries out data processing to initial original record, enters according to data pattern as defined in vertification regulation
The row revision of the convention, the amendment data to match with vertification regulation are obtained, as final original recorded data；
8) data processing unit is carried out to process, the backhaul data of the amendment data of each calibrating point of each checklist
Analysis, obtains the actual worst error and hysterisis error of each calibrating point of checklist, with reference to the original typing information of checklist
In the limits of error and maximum allowable hysterisis error, be compared, judge verification result, if qualified, complete calibrating, it is raw
Into final original record, wait to veritify；If it is unqualified and can not adjusting, indicate unqualified reason, then complete calibrating, generate final former
Begin record, waits to veritify；If it is unqualified but can adjusting, next group validation program is entered after adjusting；
9) final original record information is veritified, completes to veritify, generate copending calibration certificate, it is most final former at last
Begin to record and copending calibration certificate carry out the preservation of electronics shelves and exported, final original record is printed and carries out papery archive,
Copending calibration certificate uploads the metering management system of metrological service, and work is completed.
Preferably, the single table fine setting hand pump of adjustment second is also included in step 5), makes each checklist accurately to pin to calibrating
The step of point, first single table fine setting hand pump are used cooperatively with second single table fine setting hand pump, ensure the accuracy of measurement result.
Above-mentioned steps 7) be specially：Provide to combine initial original record according to vertification regulation, by number in initial original record
The data of word precision pressure gauge are corresponding to each corresponding calibrating point, and the revision of the convention is detected in the data of checklist corresponding to the calibrating point
Meter reading is that tenth of the point angle value carries out data processing according to the principle of vertification regulation, obtains the number to match with vertification regulation
According to.
Above-mentioned checklist information includes calibrating date, temperature, humidity, censorship unit, tested table name, factory number, system
Make business, measurement range, class of accuracy, scale division value, calibrating medium, visual examination；
Digital precision pressure meter information includes digital precision pressure meter title, model, measurement range, manufacturer, the degree of accuracy
Grade, certificate number, the term of validity.
Preferably, during step 2) typing checklist information, the identical information with a batch of checklist can be carried out once
Property unifies typing.
Preferably, step 2) also include Data Enter unit judges checklist information whether the complete step of typing.
The beneficial effects of the invention are as follows：
1) precision pressure gauge metering digitlization, intelligent, mass calibrating are realized, greatly improves efficiency,
The time-consuming of time-consuming link during precision pressure gauge measurement verification is greatly shortened, measurement verification personnel has greatly been played and has existed
Subjective initiative during measurement verification.
2) verification result is accurate, removes the influence of subjective determination；
For in qualified and unqualified critical point checklist, traditional detection method, measurement verification personnel can go " looking for ",
It is subjective to go for qualified or look for and not conforming to because seeing standard i.e. digital precision pressure meter data and checklist data simultaneously
Lattice.And the present invention avoids the generation of this case, checklist avoids to directly point collection key, progress data acquisition after pin
Influence in terms of this subjective determination.
3) it is simple to operate；
Manual fine-tuning precompressed hand pump and single table fine setting hand pump are adjusted during measurement verification, it is right after pointer that checklist is rapped
Pin examines fixed position to standard indicating positions, and pressing collection key can be acquired to this digital precision pressure meter data,
Rap again after pointer again to checklist to pin to standard indicating positions, press collection key again, gather digital precision pressure meter
Data；Using the digital precision pressure meter data gathered twice as this calibrating point logging data in original record form, count simultaneously
Calculate and record checklist examine and determine herein a little rap pointer displacement data (twice the difference of gathered data be rap pointer displacement number
According to).Database preparation generates initial original record after all calibrating points have been examined.Revision automatically generates copending card after veritifying
Book.
4) strong adaptability；
Do not limited for the specifications and models of pressure gauge, the old and new's degree, recognizable degree etc., visual examination is qualified, naked eyes
Readable, joint model, dial plate size, dial reading unit etc. have extremely strong adaptability.
5) original record, it is abundant in content, avoid it is unqualified after the checklist original record of adjusting again it is in disorder；
Because a collection of inspection is much with the checklist of model, to needing to do one before being recorded as underproof checklist adjusting
Secondary complete measurement verification (being typically necessary retrospect in military project model task, initial data can be looked into), this time completely have
The number of non-compliances evidence of record, this checklist of measurement verification personnel intuitive judgment can be helped whether adjustable, how to be adjusted.Adjusting
Possibility in place greatly increases.
Not shown simply original according to as hiding data for the number of non-compliances of checklist qualified after adjusting in addition
Adjusting reason is shown in record, number of non-compliances evidence can recall when will not thus causing the disorder of data, but need.
It is more humane, rationalize, standardization.
6) high safety；
Original record and certificate for generation can not be changed in addition to administrator right, and all data are all first-hand numbers
According to preferably embodying and measure the solemn sacred one side of this industry.
Brief description of the drawings
Fig. 1 is precision pressure gauge batch measurements verification system schematic diagram；
Fig. 2 is control system flow chart of data processing figure；
Fig. 3 is precision pressure gauge batch measurements calibration method flow chart；
Fig. 4 is that original record inquires about schematic diagram.
Reference is in figure：1- prepressing devices, 2- media Containers, 3- digital precision pressure meters, 4- manual fine-tuning precompressed
Hand pump, 5- transverse directions stop valve, 51- longitudinal directions stop valve, 6- are detected meter connector, 7- decompression protection valves, first single tables of 81- fine setting hand
Pump, second single tables of 82- fine setting hand pump, 9- collection keys, 10- control systems, 11- printers.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
It will be seen from figure 1 that the system of the present embodiment includes prepressing device 1, the medium being successively set on pressure piping
Container 2, digital precision pressure meter 3, manual fine-tuning precompressed hand pump 4, decompression protection valve 7, in addition to cut-off valve group, tested meter connector
6th, first single table fine setting hand pump 81, second single table finely tune hand pump 82, gather key 9, and the tested meter connector 6 in the present embodiment is i.e. tested
The clamping device of table is five, can once access the equal precision pressure gauge of five ranges simultaneously and carry out measurement verification, can be with
According to the tested meter connector number of increase is actually needed, the corresponding one group of cut-off valve group of each checklist, a first single table finely tune hand
Pump, second single table fine setting hand pump and a collection key；Also include being used for the control system and use for controlling whole system to work
In printing papery and retain the printer of original record.Cut-off valve group includes horizontal stop valve 5 and longitudinal stop valve 51 is used to control
The break-make of the tested meter connector 6 of system is indulged.
Control system includes control unit, Data Enter unit, data acquisition unit and data processing unit；
Control unit is connected with prepressing device, for controlling prepressing device regulating system pressure；Data Enter unit is used for
Typing checklist and digital precision pressure meter information, and the calibrating point of checklist is divided according to checklist information automatically；Data are adopted
Collection unit be connected by gathering key with digital precision pressure meter, for gather checklist each examine and determine a little corresponding to digital precision pressure
Power table data message；Data processing unit is used for the data message of analyze data collecting unit.
Control unit controls prepressing device to carry out Self-pressurizing agri or pressure release to the pressure of system according to each calibrating point, makes
Pressure is reached as defined in calibrating point near pressure value in whole pressure piping.Solve due to when pressure-bearing cavity is larger in pipeline,
Manual squeeze time is long or the problem of manual precompressed difficulty (when precompressed cavity is excessive, squeeze time in short-term, manual precompressed takes very much
Power；When precompressed cavity is too small, squeeze time is long, manual precompressed is relatively saved the strength).For the gas of negative pressure metering calibrating be present
Medium apparatus, prepressing device are a vavuum pump, are pressurization during rotating forward, to vacuumize ((- 0.1~6) MPa gas platforms during reversion
Son).
The calibrating medium of measurement verification system can be gas, water or oil, when it is gas to examine and determine medium, media Containers 2
Pressure source is provided by whole system of nitrogen cylinder；When it is water to examine and determine medium, media Containers are using aqueous medium container as whole system
Pressure source is provided；When it is oily to examine and determine medium, media Containers provide pressure source using oil medium container as whole system.
Digital precision pressure meter 3, it is the measurement criteria of the system for the core component of the system.This table is by gathering key
It is connected with the data acquisition unit in control system, the normal data of the real-time pressure for measuring whole pressure system, data
Collecting unit gathers the data of digital precision pressure meter 3 in real time.
According to the model of each checklist, range, examine and determine the difference of medium, the present embodiment select 0.02 grade can cover (-
0.1~100) multiple digital precision pressure meters of MPa gamuts section alternately standard so that the system meets：Calibrating pressure
Power is (- 0.1~100) MPa, and calibrating medium is oil, the metering inspection of the precision pressure gauge of 0.1 grade of water and gas and ratings above
It is fixed.
According to the actual use situation of checklist, it is determined that calibrating medium and standard, when checklist is gas meter, this is
The supporting of system is arranged to (- 0.1~6) MPa gas containers, standard covering (- 0.1~6) MPa gamuts；When checklist is water
During table, the supporting of this system is arranged to (0~100) MPa hydraulic pressure containers, standard covering (0~100) MPa gamuts；When tested
When table is oil meter, the supporting of this system is arranged to (0~100) MPa oil pressure estrades, standard covering (0~100) MPa gamuts.
The effect of manual fine-tuning precompressed hand pump 4 is after prepressing device system precompressed, more accurately adjusts whole system
Numerical value of the normal pressure data closer to calibrating point.
Whole system, digital precision pressure and checklist are mainly protected in the effect of decompression protection valve 7, if due to grasping by mistake
When making and causing system pressure more than be detected pressure gauge maximum range 104%, decompression protection valve releasing pressure automatically, when pressure is less than
Current setting pressure 90% when be automatically stopped pressure release.
Stop valve is used for adjustment and protection to whole system function, can adjust the quantity of access checklist, and system goes out
The bad situation of existing a certain position seals, this position is isolated with whole system, protects positive system normal operation.
First single table fine setting hand pump and second single table fine setting hand pump, are mainly used in adjusting corresponding checklist when to table
Save pressure.
Gather key, mainly number of the control data collecting unit to the digital precision pressure meter of correspondence position corresponding calibrating point
According to being acquired.
Printer, it is mainly used in printing the original record that papery is retained.
Specific calibration operation process is as shown in Figures 2 and 3：
After range classification checklist, to being arranged on present invention system after the checklist progress visual examination of same range section
In the snap joint of system, filling or be underfilled with tested position (stop valve of the closing being underfilled with without folder checklist) can enter
OK.
Verification worker is logged in by safety verification or password password is examining and determine operator interfaces login system, and (Admin Account is this
Unit, which obtains pressure measurement credentials, can carry out testing person's information whole typing of this work, a password of people one).
Data Enter
After the completion of login, the Data Enter unit of control system according to clamping position one by one typing clamping on this device
Checklist information, while each checklist of typing is in the corresponding loading position of this device.In order to ensure complete typing checklist
Information, occurs without information omission, and control system is entered row information input in the form of pop-up dialogue box, sets drop-down menu, preserved
The information of typing before in follow-up Input Process for being selected.Same batch carries out the tested of measurement verification simultaneously
The identical information of table can disposably unify input.Data Enter unit is sentenced to checklist Data Enter integrality automatically
It is disconnected, omitted if there is information, system prompt side information, supplement can completely carry out further work automatically.
After checklist Data Enter is completed, Data Enter unit automatic identification standard is digital precision pressure meter, record
Enter digital precision pressure meter information, digital precision pressure meter information is after each digital precision pressure meter censorship completion by numeral
Precision pressure gauge administrator interfaces are logged in and are updated.Data Enter unit judges number of this batch checklist if appropriate for clamping
Word precision pressure gauge (is connected, directly read digital precision pressure meter information) with the system, if mismatched, prompts to change numeral
Precision pressure gauge.
Change and complete, matched again, matching completes that the nothing of each corresponding clamping position checklist can be automatically generated
Data precision pressure gauge original record, and the calibrating point of checklist is generated, the calibrating point for nonstandard range section can be carried out
Division calibrating point manually.
The pattern of data inputting is mainly based on the data inputting pattern of calibration certificate, in order to preferably coordinate existing metering
The development of technology, using the data inputting pattern of calibration certificate as auxiliary (preliminary data typing pattern), in case particular/special requirement uses.
Gathered data
By the preliminary precompressed of prepressing device, then manually pressure in system is adjusted to by fine setting precompressed hand pump exactly
Point is examined and determine, first and second single table fine setting hand pump is adjusted again, each checklist, to examining and determine a little, finger is rapped to checklist to pin
Fixed position is examined to pin to standard indicating positions after pin, pressing collection key can be carried out to this digital precision pressure meter data
Collection, rap again after pointer again to checklist to pin to standard indicating positions, press collection key, collection digital precision pressure again
Power table data；(each calibrating point is needed twice to pin to calibrating point, for the first time can be without rapping to pin, and second necessary
Rapped.Data of digital precision pressure meter twice corresponding to each checklist of system acquisition, respectively obtain this calibrating point
What the data of digital precision pressure meter and its calibrating were put raps pointer displacement amount).
Because checklist and digital precision pressure meter are arranged on same pipeline, checklist and digital precision pressure meter by
Real-time pressure it is identical, so by checklist to pin to by it is cautious when, the data message of the digital precision pressure meter collected is i.e.
It is corresponding checklist in the true pressure value of the point, the data acquisition of each calibrating point is twice (to checklist after rapping every time
Again to a calibrating point data of collection, the difference of data is to rap pointer displacement amount twice), it is determined that this time measurement verification calibrating point
Data and this calibrating point rap pointer displacement.Data (initial original record) are retained based on this measurement verification data
(to the demand of measurement verification result retrospect).
If checklist Real-time Error (Real-time Error refer to tested list index indicating value and the point true pressure value it
Difference) be more than the theoretical maximum allowable error of checklist, then the reading numerical value of checklist is directly entered, gathers corresponding numeral
Precision pressure gauge data；When the readings for reading checklist gather the data of digital precision pressure meter simultaneously, if there is
The process and point of backhaul is misaligned and deviation is larger, then be considered as that checklist hysterisis error is overproof, and data inputting is as underproof
Data traceability uses.
In addition, vertification regulation provides, 0.1 grade of precision pressure gauge need to carry out 3 continuous calibratings；0.16 grade, 0.25 grade of precision
Pressure gauge need to carry out 2 continuous calibratings；0.4 grade and 1 continuous calibrating of level below progress.The system is according to the grade of checklist
Can prompt whether to also need to the program continuously examined and determine next time after the completion of one-time continuous calibrating, enter if desired for prompt system
Enter the data inputting continuously examined and determine next time；Such as system prompt is not needed to complete.
Correct data
In order to it is existing《JJG49-2013 flexible member formula precision pressure gauges and vacuum meter》Vertification regulation matches, data
Processing unit is to initially the initial data of original record carries out data processing obtained by measurement verification.Vertification regulation requirement is according to 1/10
Scale division value principle carries out estimating reading.Provide to combine initial original record according to vertification regulation, by digital precision in initial original record
The data of pressure gauge are corresponding to each corresponding calibrating point, and the revision of the convention is in the data of checklist corresponding to the calibrating point, tested meter reading
Principle according to vertification regulation is that tenth of the point angle value carries out data processing.Obtain the data to be matched with vertification regulation.It is right
It is portion in 1/10th of tenth of the point angle value data, the revision of the convention is carried out according to Figure correction principle, for maximum allowable
The point tolerance revision of the convention of error threshold point need to enter one according to the error more than the limits of error, ensure that the result of this point is shown as
It is unqualified, need to enter one according to Figure correction principle for the error less than the limits of error, and enter one for it is overproof when not
Carry, ensure that the result of this point is shown as qualified.Accurate Figure correction than directly range estimation pointer position estimate read it is more accurate, and
Eliminate the influence of artificial subjective factor.
Data processing
Typing information of the data processing unit automatically to checklist calculates, and calculating the checklist theoretical maximum allows to miss
Poor and maximum hysterisis error, pass through the revised meter of worst error and hysterisis error in real time of each calibrating point to checklist
Point counting is analysed, then the final calibrating conclusion of the checklist is judged compared with the limits of error and maximum hysterisis error.Conclusion
Be divided into it is qualified with unqualified two kinds.
Result of determination clicks directly on for qualified checklist and completes key, completes the automatic signature of verification worker, tested for this
The end-of-job of the verification worker of table.
Result of determination be underproof checklist, it is necessary to calibrating data and verification process situation carry out synthetic determination,
Determine unqualified reason, judge whether can with adjusting, can not adjusting, indicate unqualified reason, click on complete key, complete verification worker
Automatic signature, for the end-of-job of the verification worker of the checklist；If can adjusting, indicate adjusting before unqualified reason, enter
Enter next round measurement verification program.
Draw calibrating conclusion
Veritify operator interfaces log in verifier's account, logged in by safety verification --- password password logs in, typing personnel with
Verification worker is identical, a password of people one.Original record to be veritified can line up to show (the original record as verification worker after logging in
Not in interface display of the same personnel as verifier), the point after veritifying original record and veritifying to belonging to veritification scope
Hit and complete key, original record verifier automatic signature completes whole original record contents, automatically generates certificate (verification worker verifier
Sign electronically copending), it is stored under the certificate file to be uploaded folder under the file of specified partition, while original record preserves
Printer prints a progress papery archive of final version original record.
The system sets the form of two kinds of original records, and a kind of is the data record of most original, with the measurement side of this device
The initial original record carried out based on method；Another be by this record based on tenth of the point is carried out to the data of collection
The angle value reading revision of the convention, is then converted again, changes into the data record to match with existing code.In order to be advised with existing calibrating
Journey matches, now using latter data recording mode as the data pattern in final original record.
In terms of the data record of system, the pattern of this system is retains, display, retains being advised with existing calibrating of finally determining
The data recording mode that journey matches, while the data record of most initial is subjected to electronic edition retention in the form of hiding document.
To ensure the demand of checklist retrospect, initial original record and final original can be inquired about by inputting the typing information of checklist
Begin record, as shown in Figure 4.
Mainly standard is gathered in the initially initial data typing of original record of the invention using checklist indicating value as calibrating point
The indicating value using standard in the data of device, with existing precision pressure gauge vertification regulation gathers the number of checklist as calibrating point
According to different.
Standard in existing vertification regulation also includes piston gage, due to the functional characteristic of piston gage,
Reference pressure value corresponding with counterbalance mass can only be produced, if the calibration method in the selection present invention, piston gage are
Reading can not be carried out.
And among measurement and examination method of the present invention, using standard be digital precision pressure meter as standard, eliminate reading
During habitual reading introduce error, in the prior art due to the rule for read data of pressure gauge be by scale division value ten/
One carries out reading, and due to reasons such as sense organ, personal habits, the reading to each indexing lattice is one and the larger mistake of introducing be present
One of difference estimates reading, and the inventive method is by the indicator of checklist to (tenth of the point degree being not present in a standard scribe line position
Estimate reading), go to gather the data of standard, this data is one and is not present and estimates one of reading more accurately data.Especially exist
During error threshold point, the advantage of this method is more obvious, and this method can more be accurately obtained judgement information.
Claims (10)
- A kind of 1. precision pressure gauge batch measurements verification system, it is characterised in that：Including the pre- press fitting being connected on pressure piping Put (1), media Containers (2), digital precision pressure meter (3), manual fine-tuning precompressed hand pump (4), multigroup cut-off valve group, multiple tested Meter connector (6), multiple first single table fine setting hand pumps (81) and multiple second single table fine setting hand pumps (82)；Also include control system (10) and collection key (9), be each detected the corresponding one group of cut-off valve group of meter connector (6), one first Single table fine setting hand pump (81), second single table fine setting hand pump (82) and a collection key (9)；The control system (10) includes control unit, Data Enter unit, data acquisition unit and data processing unit；Described control unit is connected with prepressing device (1), for controlling prepressing device (1) regulating system pressure；Described information is recorded Enter unit and be used for typing checklist and digital precision pressure meter information, and divide the calibrating of checklist automatically according to checklist information Point；The data acquisition unit is connected by gathering key with digital precision pressure meter, for gathering the reality of digital precision pressure meter When pressure data information；The data processing unit is used to analyze and the data message of processing data collecting unit collection.
- A kind of 2. precision pressure gauge batch measurements verification system according to claim 1, it is characterised in that：Every group of stop valve Group includes horizontal stop valve (5) and longitudinal stop valve (51), and longitudinal stop valve is used to control the logical of tested meter connector (6) It is disconnected.
- A kind of 3. precision pressure gauge batch measurements verification system according to claim 2, it is characterised in that：The pressure pipe Also include decompression protection valve in road.
- A kind of 4. precision pressure gauge batch measurements verification system according to any one of claims 1 to 3, it is characterised in that：Institute It is vavuum pump or compression pump to state prepressing device.
- A kind of 5. precision pressure based on a kind of any described precision pressure gauge batch measurements verification system of Claims 1-4 Table batch measurements calibration method, it is characterised in that：Comprise the following steps：1) by range classification checklist, precision pressure gauge batch is arranged on after the checklist of same range section is carried out into visual examination In measurement verification system；2) the checklist information of Data Enter unit typing difference installation site；3) digital precision pressure meter in Data Enter unit automatic identification precision pressure gauge batch measurements verification system, judges number Whether the information of word precision pressure gauge matches with checklist, if digital precision pressure meter matches with checklist, automatic input Digital precision pressure meter information；Otherwise, digital precision pressure meter, repeat step 3 are changed)；4) the typing information of existing vertification regulation and checklist, the nothing of each checklist of Data Enter automatic cell generation are combined Data precision pressure gauge original record, and generate the calibrating point of checklist；For the checklist of non-standard range, divide manually defeated Enter to examine and determine a little；5) by prepressing device by the pressure in precision pressure gauge batch measurements verification system pressure piping be adjusted to calibrating point it is attached Closely；Precompressed hand pump is manually finely tuned again to be adjusted to pressure in system to examine and determine point, is adjusted two-stage fine setting hand pump again, is made each Checklist instruction accurate to pin extremely calibrating point；After carrying out checklist to table, each calibrating point carries out gathering each checklist to table, data acquisition unit twice every time Each calibrating point twice to corresponding digital precision pressure meter data after table, respectively obtain the digital precision pressure of this calibrating point What the data of table and its calibrating were put raps pointer displacement amount；6) after all calibrating points of checklist have been examined, all data in data acquisition unit are preserved, as initial original note Record；7) data processing unit carries out data processing to initial original record, is repaiied according to data pattern as defined in vertification regulation About, the amendment data to match with vertification regulation are obtained, as final original recorded data；8) process, backhaul data minute of the data processing unit to the amendment data of each calibrating point of each checklist Analysis, obtains the actual worst error and hysterisis error of each calibrating point of checklist, in the original typing information with reference to checklist The limits of error and maximum allowable hysterisis error, be compared, judge verification result, if qualified, complete calibrating, generation Final original record, wait to veritify；If it is unqualified and can not adjusting, indicate unqualified reason, then complete calibrating, generation is final original Record, waits to veritify；If it is unqualified but can adjusting, next group validation program is entered after adjusting；9) final original record information is veritified, completes to veritify, generate copending calibration certificate, most final original note at last Record and copending calibration certificate carry out the preservation of electronics shelves and exported, and final original record is printed and carries out papery archive, pending The metering management system that calibration certificate uploads metrological service is criticized, work is completed.
- 6. precision pressure gauge batch measurements calibration method according to claim 5, it is characterised in that：Step 5) two-stage is finely tuned Hand pump, each checklist can be more accurately adjusted to pin to the step of examining and determine point.
- 7. precision pressure gauge batch measurements calibration method according to claim 6, it is characterised in that：The step 7) is specific For：Provide to combine initial original record according to vertification regulation, the data of digital precision pressure meter in initial original record are corresponding To each corresponding calibrating point, the revision of the convention is detected original of the meter reading according to vertification regulation in the data of checklist corresponding to the calibrating point It is then that tenth of the point angle value carries out data processing, obtains the data to match with vertification regulation.
- 8. the precision pressure gauge batch measurements calibration method according to claim 6 or 7, it is characterised in that：The checklist Information includes calibrating date, temperature, humidity, censorship unit, tested table name, factory number, manufacturer, measurement range, accurate Spend grade, scale division value, calibrating medium, visual examination；Digital precision pressure meter information include digital precision pressure meter title, model, measurement range, manufacturer, class of accuracy, Certificate number, the term of validity.
- 9. precision pressure gauge batch measurements calibration method according to claim 8, it is characterised in that：Step 2) typing is detected During table information, the identical information with a batch of checklist can carry out disposably unifying typing.
- 10. precision pressure gauge batch measurements calibration method according to claim 9, it is characterised in that：Step 2) also includes Data Enter unit judges checklist information whether the complete step of typing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710955021.2A CN107764479A (en) | 2017-10-13 | 2017-10-13 | A kind of precision pressure gauge batch measurements verification system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710955021.2A CN107764479A (en) | 2017-10-13 | 2017-10-13 | A kind of precision pressure gauge batch measurements verification system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107764479A true CN107764479A (en) | 2018-03-06 |
Family
ID=61269586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710955021.2A Withdrawn CN107764479A (en) | 2017-10-13 | 2017-10-13 | A kind of precision pressure gauge batch measurements verification system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107764479A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521321A (en) * | 2020-05-08 | 2020-08-11 | 北京京仪仪器仪表研究总院有限公司 | Intelligent verification system and method for pointer type pressure gauge |
| CN113029433A (en) * | 2021-03-09 | 2021-06-25 | 江南大学 | Pressure control system and method for gas medium for pressure instrument measurement accuracy detection |
| CN116448315A (en) * | 2023-06-12 | 2023-07-18 | 乐山市计量测试所 | Online detection method for pressure gauge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556633Y (en) * | 2002-06-18 | 2003-06-18 | 刘伟巍 | Pressurizing device for pressure instrument correction |
| CN202329932U (en) * | 2011-11-29 | 2012-07-11 | 上海汇益控制系统股份有限公司 | Batch detection system of hydraulic pressure measuring instrument |
| CN103207048A (en) * | 2013-04-24 | 2013-07-17 | 南京化工职业技术学院 | Calibration instrument for low-pressure pressure instrument |
| CN203216670U (en) * | 2013-04-03 | 2013-09-25 | 长庆石油勘探局技术监测中心 | Pressure gauge concentrated pressure supply batch verification apparatus |
| CN203587281U (en) * | 2013-11-30 | 2014-05-07 | 长庆石油勘探局技术监测中心 | Pointer type pressure gage batch calibration platform based on hydraulic system |
| CN205992232U (en) * | 2016-07-01 | 2017-03-01 | 日照山川电子信息技术有限公司 | Instrument automatic verification system |
-
2017
- 2017-10-13 CN CN201710955021.2A patent/CN107764479A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556633Y (en) * | 2002-06-18 | 2003-06-18 | 刘伟巍 | Pressurizing device for pressure instrument correction |
| CN202329932U (en) * | 2011-11-29 | 2012-07-11 | 上海汇益控制系统股份有限公司 | Batch detection system of hydraulic pressure measuring instrument |
| CN203216670U (en) * | 2013-04-03 | 2013-09-25 | 长庆石油勘探局技术监测中心 | Pressure gauge concentrated pressure supply batch verification apparatus |
| CN103207048A (en) * | 2013-04-24 | 2013-07-17 | 南京化工职业技术学院 | Calibration instrument for low-pressure pressure instrument |
| CN203587281U (en) * | 2013-11-30 | 2014-05-07 | 长庆石油勘探局技术监测中心 | Pointer type pressure gage batch calibration platform based on hydraulic system |
| CN205992232U (en) * | 2016-07-01 | 2017-03-01 | 日照山川电子信息技术有限公司 | Instrument automatic verification system |
Non-Patent Citations (3)
| Title |
|---|
| 张春来: "《船舶电气设备管理与工艺》", 30 April 2016, 大连海事大学出版社 * |
| 张晓飞: "压力仪表校验系统的设计与实现", 《万方学位论文》 * |
| 王远璋: "《变电设备维护与检修作业指导书》", 31 January 2005, 中国电力出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521321A (en) * | 2020-05-08 | 2020-08-11 | 北京京仪仪器仪表研究总院有限公司 | Intelligent verification system and method for pointer type pressure gauge |
| CN113029433A (en) * | 2021-03-09 | 2021-06-25 | 江南大学 | Pressure control system and method for gas medium for pressure instrument measurement accuracy detection |
| CN116448315A (en) * | 2023-06-12 | 2023-07-18 | 乐山市计量测试所 | Online detection method for pressure gauge |
| CN116448315B (en) * | 2023-06-12 | 2023-08-29 | 乐山市计量测试所 | Online detection method for pressure gauge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107727313A (en) | Automate pressure transmitter batch measurements verification system and method | |
| CN107796561A (en) | Pressure gauge batch measurements verification system and method | |
| CN107764479A (en) | A kind of precision pressure gauge batch measurements verification system and method | |
| CN106969924A (en) | A kind of test system and method that track traffic brakes is detected and safeguarded | |
| CN201476938U (en) | Full-automatic pressure checking equipment of piston type pressure gauge | |
| AU2016280302B2 (en) | System and method for gas management | |
| EP2725335A1 (en) | Method and device for verification and/or calibration of a pressure sensor | |
| CN208736608U (en) | A kind of intelligence multichannel verification system | |
| CN107702852A (en) | Digital precision pressure meter batch measurements verification system and method | |
| CN105931446A (en) | Testing system for gas data acquiring unit and working method of testing system | |
| CN110929112A (en) | Metrological verification and calibration system and method | |
| US20080180276A1 (en) | Verification of process variable transmitter | |
| CN201035403Y (en) | Portable synthetic parameter checking device for petroleum, chemical automation system | |
| CN107014561A (en) | A kind of semi-automatic calibration method of pointer pressure | |
| CN107907764B (en) | Detection method and system suitable for intelligent characteristic verification of intelligent instrument | |
| CN104502560B (en) | The chemical examination chamber system checked and accepted for Coal Quality | |
| CN104267270B (en) | Transformer key parameters extracting method based on vector similitude | |
| CN113447234A (en) | Wind tunnel electronic pressure scanning valve traceability device and traceability method thereof | |
| CN111289064A (en) | Online calibrating device and method for metering performance of hydrogenation machine | |
| CN111751048A (en) | Pressure sensor online checking device and method matched with digital instrument | |
| US20220050003A1 (en) | Method and system for universal calibration of devices under test | |
| CN111739274B (en) | Instrument management system, management platform, industrial instrument and method | |
| CN105466631B (en) | A kind of calibration method and calibrating installation of piston gage piston effective area | |
| CN104697877A (en) | Method for automatically checking foundation coefficient tester | |
| CN113468693A (en) | Pressure sensor acquisition system based on big data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180306 |
|
| WW01 | Invention patent application withdrawn after publication |