CN2906567Y - Comparative household gas meter detector - Google Patents
Comparative household gas meter detector Download PDFInfo
- Publication number
- CN2906567Y CN2906567Y CN 200620026312 CN200620026312U CN2906567Y CN 2906567 Y CN2906567 Y CN 2906567Y CN 200620026312 CN200620026312 CN 200620026312 CN 200620026312 U CN200620026312 U CN 200620026312U CN 2906567 Y CN2906567 Y CN 2906567Y
- Authority
- CN
- China
- Prior art keywords
- meter
- tool
- gas
- gas meter
- admittance valve
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a household gas meter comparative detection device, which is characterized in that: a large flow nozzle with a branch intake valve connected with the external gas source is connected with a small flow nozzle with a branch intake valve in parallel, the intake valve is connected at the joint, a meter I and II under test, a standard wet type gas meter, a pressure gauge and an air pressure stabilizer are connected in turn, the pressure gauge is positioned between the intake valve and the meter I, a gas outlet valve is positioned between the pressure gauge and the air pressure stabilizer. The utility model: 1. can avoid the economic loss caused by installing ''sick'' meter for user; 2. can avoid economic loss and work difficulty to gas administration department caused by using measuring meter with negative error exceeding national standard; 3. can display and compare the test data; 4. can feedback meter quality information to the meter factory, repair shop, thereby increasing quilified rate of the meter delivery; 5. has the advantages of simple structure, easy operation and low cost.
Description
(1) technical field:
The utility model relates to the metering comparison pick-up unit of a kind of civil gas management department to the gas meter, flow meter tool, particularly a kind of domestic gas meter tool comparison pick-up unit.
(2) background technology:
At present, civil gas management department is being devoted to reduce effectively the supply and marketing rate of domestic gas always.At the multiple factor that causes combustion gas supply and marketing rate, through follow-up investigations and investigation after a while, again by summing up, analyze and research, feel: civil gas management department of basic unit will carry out conscientiously and reduce the work of supply and marketing rate, except transferring fee-collector's enthusiasm, reduce the zero-bit family, leak outside the factors such as receiving the family, also have an important factors not ignore, strengthen the metering comparison testing of gas meter, flow meter tool exactly, the test of just the gas meter, flow meter tool being compared before being installed to the user is operated in strict accordance with JJG-577-2005 diaphragm gas meter tool measurement verification regulations.Yet, the metering of existing gas meter, flow meter tool comparison testing is to use the domestic gas meter tool of same size model to compare or estimate with managerial experience, exist the precision and the detected table tool accuracy class of the examination criteria table that compares, do not meet the problems such as extensive style detection that national measurement Law detects rules and do not have scientific basis.
(3) summary of the invention:
The purpose of this utility model is to design a kind of domestic gas meter tool comparison pick-up unit, and it can improve the ex factory pass rate of table tool, helps effective management of civil gas management department his-and-hers watches tool.
The technical solution of the utility model: a kind of domestic gas meter tool comparison pick-up unit, comprise: the big flow nozzle that has the branch road gas admittance valve that is connected with outer fuel gas source, the low discharge nozzle that has the branch road gas admittance valve, gas admittance valve, tested table tool I, tested table tool II, tensimeter I, the standard wet gas meter, the pressure Table II, air outlet valve and air voltage stabilizing machine, it is characterized in that: the big flow nozzle that has the branch road gas admittance valve that is connected with outer fuel gas source is in parallel with the low discharge nozzle that has the branch road gas admittance valve, place in parallel connects gas admittance valve, tested table tool I and tested table tool II, the standard wet gas meter, tensimeter and air voltage stabilizing machine are connected in series thereafter successively, tensimeter is installed between gas admittance valve and the tested table tool I, and air outlet valve is installed between tensimeter and the air voltage stabilizing machine.
Above-mentioned said standard wet gas meter should be got accuracy ± 0.2%.
The specifications and models of above-mentioned said standard wet gas meter are the WGM-3 types, and its accurate precision is ± 0.2%.
The working flow of above-mentioned said big flow nozzle is tested table tool 100% rated flow, and the working flow of low discharge nozzle is tested table tool 25% rated flow; Big flow nozzle bore: low discharge nozzle diameter=1: 1/4.
The course of work of the present utility model is:
A, detection medium are got air;
B, detection room temperature are 20 ± 5 ℃, and in testing process, the difference of water in the standard scale and detection medium air temperature is no more than 1 ℃;
C, preliminary work, whether liquid level is normal in the check criteria table, checks the gauge hand position of whether making zero, and checks whether each connecting line becomes flexible, have or not ponding, has fault in time to get rid of;
D, the tested table tool nameplate of inspection and mark;
E, the tested table tool outward appearance of inspection;
F, comparison detect tested table tool impermeability, detect impermeability and should make the comparison detection system under 3000 handkerchief pressure, keep 3 minutes, confirm to have or not leakage;
G, indicating value detect, and the data of coming across of detected table tool should be no more than with the data maximum error of coming across of standard scale ± and 4%.Duplicate detection 2 times, error of calculation mean value draws testing result.
Superiority of the present utility model is: 1, this device solves avoid will " in spite of illness " the table tool be installed among the user and cause the drawback of economic loss for the combustion gas user; 2, avoid using negative error to surpass the gauge table of national standard, bring economic loss and operational difficulties for civil gas management department; If 3 users have a question, can provide free service for the user, show comparison and detect data; 4, can be table tool factory, maintenance factory's feedback form tool quality information, improve table tool ex factory pass rate; 5, simple in structure, easy operating, cost is low.
(4) description of drawings:
Accompanying drawing is the related a kind of domestic gas meter tool comparison pick-up unit structural representation of the utility model.
Wherein: (1) is big flow (100% rated flow) nozzle,
(2) branch road gas admittance valve,
(3) low discharge (25% rated flow) nozzle,
(4) branch road gas admittance valve,
(5) gas admittance valve,
(6) tensimeter I,
(7) tested table tool I,
(8) tested table tool II,
(9) WGM-3 type standard wet gas meter (accuracy 0.2%),
(10) pressure Table II,
(11) air outlet valve,
(12) air voltage stabilizing machine.
(5) embodiment:
Embodiment: (seeing accompanying drawing) a kind of domestic gas meter tool comparison pick-up unit, comprise: the big flow that has branch road gas admittance valve (2) (100% rated flow) nozzle (1) that is connected with outer fuel gas source, low discharge (25% rated flow) nozzle (3) that has branch road gas admittance valve (4), gas admittance valve (5), tested table tool I (7), tested table tool II (8), tensimeter I (6), WGM-3 type standard wet gas meter (accuracy 0.2%) (9), pressure Table II (10), air outlet valve (11) and air voltage stabilizing machine (12), it is characterized in that: the big flow that has branch road gas admittance valve (2) (100% rated flow) nozzle (1) that is connected with outer fuel gas source and the low discharge that has branch road gas admittance valve (4) (25% rated flow) nozzle (3) is in parallel, place in parallel connects gas admittance valve (5), tested table tool I (7) and tested table tool II (8), WGM-3 type standard wet gas meter (accuracy 0.2%) (9), tensimeter (10) and air voltage stabilizing machine (12) are connected in series thereafter successively, tensimeter (6) is installed between gas admittance valve (5) and the tested table tool I (7), and air outlet valve (11) is installed between tensimeter (10) and the air voltage stabilizing machine (12).
Above-mentioned said standard wet gas meter should be got accuracy ± 0.2%, can adopt WGM-3 type standard wet gas meter.
Concrete test procedure of the present utility model:
1, operation room environment:
(1) detecting room temperature is 20 ± 5 ℃, and in the testing process, the difference of water in the testing standard table and detection medium air temperature is no more than 1 ℃.
(2) detected gas meter, flow meter tool should be placed more than 4 hours at operation room, can detect.
2, preliminary work:
(1) whether the liquid level in the check criteria table is normal, and lack of water is in time replenished.
(2) check whether water of discharging tube, in time discharge.
(3) whether check between each parts in the connecting line water, in time discharge.
(4) check whether each parts is normal.
(5) energized.
3, the inspection of tested table tool nameplate and mark:
Sign on the inspection nameplate has errorless, and whether the airflow direction on the look-up table body conforms to import and export and measurement unit is m
3
4, the inspection of tested table tool outward appearance:
Gas meter, flow meter tool shell coating should be even, bubble must not be arranged, comes off, phenomenon such as cut.
5, tested table tool impermeability detects:
Detected two table tools are put well compress, open gas admittance valve (5), start air voltage stabilizing machine, slowly open air outlet valve (11), the observed pressure table when making detected pressures reach 3000 handkerchiefs, is closed gas admittance valve (5), kept 3 minutes, the observation caliber list index is motionless, and promptly expression table tool does not leak;
6, indicating value detects:
(1) open gas admittance valve (5), make standard scale pointer rotation 20 circles (crossing tolerance is 200L), to arrange the air in logical detected table tool and the connecting line, air outlet valve (11) is closed in the end of coming across, and begins to measure record standard table (V than team
Mark 1) and detected table tool (V
Table 1) reading.
(2) open big flow nozzle (1), close low discharge nozzle (3), begin big flow rate test, slowly open air outlet valve, when making detected pressures reach 1500 handkerchiefs, voltage stabilizing, standard scale pointer rotation 2 circles (crossing tolerance 20L) are closed air outlet valve (11), record standard table (V
Mark 2) and detected table tool (V
Table 2) end readout.
(3) close big flow nozzle (1), open low discharge nozzle (3), air outlet valve is slowly opened in the test of beginning low discharge, when making detected pressures reach 1500 handkerchiefs, and voltage stabilizing, standard scale pointer rotation 2 circles (crossing tolerance 20L) are closed air outlet valve (11), record standard table (V
Mark 3) and detected table tool (V
Table 3) end readout.
(4), the error of indication is calculated (standard error δ
Mark≤ ± 4%)
δ
Table=[(Δ V
Table-Δ V
Mark)/Δ V
Mark] * 100%
δ-big the flow of gas meter, flow meter tool (or low discharge) error of indication
Δ V
TableThe big flow of-gas meter, flow meter tool (or low discharge) difference of reading (L)
Δ V
MarkThe big flow of-standard scale (or low discharge) difference of reading (L)
(5) when error of indication δ＜-4% or δ＞-4%, illustrate that detected table tool is defective, need review, carry out standard scale pointer rotation 10 circles (crossing tolerance 100L) repetitive operation step (2), (3), (4).
7, after detection finishes, cut off the electricity supply.Conclude, add up verification result, defective table tool is detected, perform mark, return producer, and feedback quality information.
Claims (4)
1, a kind of domestic gas meter tool comparison pick-up unit, comprise: the big flow nozzle that has the branch road gas admittance valve that is connected with outer fuel gas source, the low discharge nozzle that has the branch road gas admittance valve, gas admittance valve, tested table tool I, tested table tool II, tensimeter I, the standard wet gas meter, the pressure Table II, air outlet valve and air voltage stabilizing machine, it is characterized in that: the big flow nozzle that has the branch road gas admittance valve that is connected with outer fuel gas source is in parallel with the low discharge nozzle that has the branch road gas admittance valve, place in parallel connects gas admittance valve, tested table tool I and tested table tool II, the standard wet gas meter, tensimeter and air voltage stabilizing machine are connected in series thereafter successively, tensimeter is installed between gas admittance valve and the tested table tool I, and air outlet valve is installed between tensimeter and the air voltage stabilizing machine.
2,, it is characterized in that said standard wet gas meter should get accuracy ± 0.2% according to the said a kind of domestic gas meter tool comparison of claim 1 pick-up unit.
3, according to the said a kind of domestic gas meter tool comparison pick-up unit of claim 1, the specifications and models that it is characterized in that said standard wet gas meter are WGM-3 types, and its accurate precision is ± 0.2%.
4, according to the said a kind of domestic gas meter tool comparison pick-up unit of claim 1, the working flow that it is characterized in that said big flow nozzle is tested table tool 100% rated flow, and the working flow of low discharge nozzle is tested table tool 25% rated flow; Big flow nozzle bore: low discharge nozzle diameter=1: 1/4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026312 CN2906567Y (en) | 2006-06-07 | 2006-06-07 | Comparative household gas meter detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026312 CN2906567Y (en) | 2006-06-07 | 2006-06-07 | Comparative household gas meter detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906567Y true CN2906567Y (en) | 2007-05-30 |
Family
ID=38115208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620026312 Expired - Fee Related CN2906567Y (en) | 2006-06-07 | 2006-06-07 | Comparative household gas meter detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906567Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564535A (en) * | 2011-12-30 | 2012-07-11 | 丹东意邦计量仪器仪表有限公司 | Gas meter function experimental device |
| CN103487118A (en) * | 2013-09-13 | 2014-01-01 | 上海真兰仪表科技股份有限公司 | Gas meter measuring device capable of correcting errors in real time |
| CN107490422A (en) * | 2017-09-07 | 2017-12-19 | 深圳市燃气集团股份有限公司 | A kind of matching process and system of industrial and commercial customer flow table |
| CN107545652A (en) * | 2017-09-07 | 2018-01-05 | 深圳市燃气集团股份有限公司 | The assay method and system of service factor while a kind of gas equipment |
-
2006
- 2006-06-07 CN CN 200620026312 patent/CN2906567Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564535A (en) * | 2011-12-30 | 2012-07-11 | 丹东意邦计量仪器仪表有限公司 | Gas meter function experimental device |
| CN102564535B (en) * | 2011-12-30 | 2014-03-12 | 丹东意邦计量仪器仪表有限公司 | Gas meter function experimental device |
| CN103487118A (en) * | 2013-09-13 | 2014-01-01 | 上海真兰仪表科技股份有限公司 | Gas meter measuring device capable of correcting errors in real time |
| CN107490422A (en) * | 2017-09-07 | 2017-12-19 | 深圳市燃气集团股份有限公司 | A kind of matching process and system of industrial and commercial customer flow table |
| CN107545652A (en) * | 2017-09-07 | 2018-01-05 | 深圳市燃气集团股份有限公司 | The assay method and system of service factor while a kind of gas equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033315B (en) | Simple and efficient tank parallel- balance emission test system and method | |
| CN201034763Y (en) | Gas-actuated relay calibration stand | |
| CN202471159U (en) | Gas metering device | |
| CN102679166B (en) | The method that the quick leakage-checking spacing of buried water supply pipe net is quantitative | |
| CN2906567Y (en) | Comparative household gas meter detector | |
| CN203376111U (en) | Pressure gauge online calibration equipment for petroleum drilling operation | |
| CN107478382A (en) | A kind of manometer automatic detection device and its detection method | |
| CN103837215A (en) | Reversing valve type pVTt-method gas flow device | |
| CN216246713U (en) | Standard meter method water gauge calibrating installation | |
| CN201497531U (en) | Heating pipe network steam flow totalizer | |
| CN112326877A (en) | High-temperature high-pressure foam performance tester | |
| CN102937527B (en) | Calibrator used for detecting measurement accuracy of fuel consumption of engine pedestal | |
| CN103353373B (en) | Assay device for multimedium Bourdon tube pressure gauge | |
| CN201697644U (en) | Integrated differential pressure flowmeter | |
| CN111289064A (en) | Online calibrating device and method for metering performance of hydrogenation machine | |
| CN113720424B (en) | Series-parallel coupling type multi-station water meter calibrating device and method | |
| CN103900665A (en) | Container combination and reversing valve type pVTt-method gas flow device | |
| CN103375682A (en) | Intelligent GIS pipe network system | |
| CN201051035Y (en) | Static characteristic detection equipment for voltage regulator | |
| CN210981452U (en) | Measuring device for water pressure loss of water meter | |
| CN101086466A (en) | Static characteristic detection system of voltage regulator | |
| CN207366130U (en) | Difference gauge and the combustion type compressor set using the difference gauge | |
| CN208921379U (en) | Room seal for pipe joints tester is found in combustion gas | |
| CN221224045U (en) | Environment temperature and humidity influence test device of hot water heat metering instrument | |
| CN214096281U (en) | High-pressure angle type water meter mass method calibrating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Lu Feng Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20090707 |