CN202350881U - Full-automatic water meter calibrating device - Google Patents
Full-automatic water meter calibrating device Download PDFInfo
- Publication number
- CN202350881U CN202350881U CN2011204851315U CN201120485131U CN202350881U CN 202350881 U CN202350881 U CN 202350881U CN 2011204851315 U CN2011204851315 U CN 2011204851315U CN 201120485131 U CN201120485131 U CN 201120485131U CN 202350881 U CN202350881 U CN 202350881U
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- water
- solenoid valve
- measuring instrument
- water meter
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Abstract
The utility model relates to the technical field of a water meter calibrating device, in particular to a device for automatically checking and calibrating a water meter. The full-automatic water meter calibrating device is characterized in that a loop which is formed by sequentially connecting a pipeline pump, a main water inlet pneumatic valve, a water meter to be calibrated, a solenoid valve, an electromagnetic flow meter and a work capacity machine through pipelines. An electronic scale is arranged at the bottom of the work capacity machine; a water discharging solenoid valve is arranged at a water outlet end of the work capacity machine; a constant temperature water tank is arranged between the pipeline pump and the work capacity machine; a temperature sensor and a pressure sensor are arranged between the main water inlet pneumatic valve and the water meter to be calibrated; a pressure resistance test pneumatic valve is arranged between the water meter to be calibrated and the electromagnetic flow meter; a vacuumizing solenoid valve is connected between the water meter to be calibrated and the pressure resistance test pneumatic valve; a vacuum check valve, a vacuum filter and a vacuum pump are connected with the vacuumizing solenoid valve in series; and a photoelectric translating system is arranged on the water meter to be calibrated. The full-automatic water meter calibrating device provided by the utility model has the advantages of simple structure, stable property, high precision and high automation degree.
Description
Technical field
The utility model relates to water meter calibration device technique field, especially a kind of device that is used for the automatic verification calibrating of water meter.
Background technology
Existing domestic traditional calibration methods are: fitted sheet - Manually open stop rotameter control valve exhaust - manually operated pressure relief valve - then manually Exhaust - Artificial record the current red pointer data - validation nominal flow - artificial water shut down after water reached 100L water - artificial red pointer data recording and calculating - check transitional flow - artificial water reaches 20L water shut down water - artificial red pointer data recording and calculating - check the minimum flow - water use 10L water manually shut down the water - artificial red pointer data recording and calculating - unloading tables.With 20mm bore water meter new standard calibration, each 45 minutes consuming time (7 water meters), efficient is low, and personal error is big.
Our employed water meter verification calibrating installation has three kinds at present:
1), manually-operated is connected with withstand voltage water meter calibration device (static start-stop volumetric method device): this kind device is more original static start-stop volumetric method device; Utilize the judgement of human eye to carry out manually-operated; Read the start-stop of numeral, adjusting flow point and the stopwatch water consumption of red pointer, have very big personal error.Calibration efficient is low, and error is big, and personnel use many.
2), withstand voltage water meter calibration device (static start-stop volumetric method device) is with in the series connection of infrared controlled standard: this kind device is on manually-operated device, to have installed ultrared limit switch and solenoid valve additional, has reduced the error that produces when artificial pass cuts off the water relatively.The instability of infrared ray limit switch and reading are still continued to use artificial copy reading mode, have determined that the error of this device is still very big.
3), camera head type is connected with withstand voltage water meter calibration device (static start-stop mass method device): this kind device is on manually-operated device, to have carried out bigger change, has realized semi-automation.Install camera additional, replace artificial copy reading book; Weigh generation measuring tank with electronics, but do not installed commutator additional, had the error that strengthens; Electrically-controlled valve has been installed, has improved the precision of calibration relatively.But the reading of camera receives the bubble interference of extraneous light source interference and gauge outfit dirty read very easily to be occurred and not to read phenomenon, needs operating personnel to revise timely, and personnel use more, and reading error is more.
The utility model content
The technical matters that the utility model will solve is: overcome the deficiency in the prior art, the automatic verification calibrating installation of water meter that a kind of stable performance, precision are high, efficient is high is provided.
The utility model solves the technical scheme that its technical matters adopted: the full-automatic calibrating installation of a kind of water meter; By in-line pump, always intake pneumatic valve, treat that water gauge, solenoid valve, electromagnetic flowmeter and work measuring instrument are in turn connected to form the loop through pipeline; Treat that water gauge is fixed on the correction platform position; Described work measuring instrument bottom is provided with electronic scales; The water side of work measuring instrument is provided with drain solenoid valve, is connected with constant temperature water tank between described in-line pump and the work measuring instrument, said total water inlet pneumatic valve and treat to be provided with between the water gauge temperature sensor and pressure transducer; Describedly treat to be connected with between water gauge and the electromagnetic flowmeter voltage-withstand test pneumatic valve; Vacuumize solenoid valve treating to be connected with between water gauge and the voltage-withstand test pneumatic valve, saidly vacuumize that series connection is provided with vacuum control check valve, vacuum water filter and vacuum pump on the solenoid valve, the said water gauge of treating is provided with photoelectric translating system.
The described solenoid valve of the utility model is the nominal flow rate solenoid valve that is arranged in parallel, the little manifold solenoid valve of demarcating.
The described temperature sensor of the utility model, pressure transducer, photoelectric translating system, nominal flow rate solenoid valve, the little manifold solenoid valve of boundary are connected with the industry control stored program controlled through electric wire with electronic scales.
The described industry control stored program controlled of the utility model is connected through electric wire with pressure-resistant test system.
The described work measuring instrument of the utility model is 150L work measuring instrument and the 30L work measuring instrument that is connected in parallel on the constant temperature water tank.
The described 150L work measuring instrument of the utility model links to each other with the nominal flow rate solenoid valve through the DN25 electromagnetic flowmeter, and 150L work measuring instrument bottom is provided with the 150KG electronic scales, and the water side of described 150L work measuring instrument is provided with 150L measuring device draining valve.
The described 30L work measuring instrument of the utility model links to each other with the little manifold solenoid valve of boundary through the DN10 electromagnetic flowmeter; Between work measuring instrument and DN10 electromagnetic flowmeter, be provided with the DN15 commutator; Said 30L work measuring instrument bottom is provided with the 30KG electronic scales, and the water side of described 30L work measuring instrument is provided with 30L measuring device draining valve.
The described correction platform of the utility model position is double-row type correction platform position.
The beneficial effect of the utility model is: the utility model is simple in structure; Stable performance, precision height; Automaticity is high; Dress table back needs only the click initiating key at the computation interface; Device will be accomplished vacuumizing and exhausting successively, and--voltage-withstand test--nominal flow rate--boundary flow--detection of minimum flow, calibrating finish the back device joins fixed computing machine calibrating software and calculates verification result by rules automatically and preserve, and has perfect database functions such as calibrating data query, correction, statistics, printing.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of the utility model.
1. constant temperature water tanks among the figure, 2. in-line pump, 3. total water inlet pneumatic valve, 4. temperature sensor, 5. pressure transducer; 6. pressure-resistant test system, 7. photoelectric translating system 8. vacuumizes solenoid valve, 9. voltage-withstand test pneumatic valve, 10. nominal flow rate solenoid valve; 11.DN25 electromagnetic flowmeter, 12.150L work measuring instrument, 13.150KG electronic scales, 14.150L measuring device draining valve, the little manifold solenoid valve of 15. boundary; 16.DN10 electromagnetic flowmeter, 17.DN15 commutator, 18.30L work measuring instrument, 19.30KG electronic scales, 20.30L measuring device draining valve; 21. vacuum control check valve, 22. vacuum water filters, 23. vacuum pumps, 24. industry control stored program controlleds, 25. treat water gauge.
Embodiment
Combine accompanying drawing that the utility model is further described now.The synoptic diagram that these accompanying drawings are simplification is only explained the basic structure of the utility model in a schematic way, so it only shows the formation relevant with the utility model.
The full-automatic calibrating installation of water meter as shown in Figure 1, current inject the correction platform positions through in-line pump 2, through total water inlet pneumatic valve 3, treat that water gauge 25, electromagnetic flowmeter, DN15 commutator 17 to work measuring instrument, get back to constant temperature water tank 1 at last.DN15 commutator 17 switches in waterflow stabilization, carries out electronic scale metering and photoelectric sensor reading synchronously, and commutator switches once more when arriving the setting variable, and the industry control stored program controlled extracts the actual metered value and the photoelectric sensor reading value carries out the data place.
Technical requirement:
1), electronic scales: class of accuracy is superior to 1/6000 150KG, 2 high-precision electronic scales of 60KG;
2) the high sensitivity pressure transducer of, pressure transducer :-0.1-2.5MPa;
3), temperature sensor: 0-100 ℃ high sensor;
4), photoelectric sensor: the photoelectric sensor of the independent research of two optical fiber, visual infrared ray and relay indicating light;
5), constant temperature water tank: 2.0m
3Water tank;
6), vacuum pump: high-power low energy consumption vacuum pump.
The concrete operations step is following:
1), on the general switching software operation interface, sets earlier the calibrating flow value of nominal, boundary, rill.
2), on aut.eq., install and treat water gauge 25, click software operation interface initiating key, industry control stored program controlled 24 control vacuum pumps 23 are started working; Open and vacuumize solenoid valve 8; Transmit numerical value to industry control stored program controlled 24 by pressure transducer 5, treat that water gauge 25 and the interior air of test straight length pass through vacuum control check valve 21 and discharge with vacuum water filter 22, vacuum tightness reaches setting value (operation interface shows the examination value); Close vacuum pump 23 and vacuumize solenoid valve 8, finish automatic vent work;
3), total water inlet pneumatic valve 3, nominal flow rate solenoid valve 10, boundary rill solenoid valve 15 are opened in industry control stored program controlled 24 control behind the automatic vent end-of-job; Give and treat water gauge 25 water-fillings; Close total water inlet pneumatic valve 3, nominal flow rate solenoid valve 10, boundary rill solenoid valve 15 and voltage-withstand test pneumatic valve 9 behind the certain hour; Open pressure-resistant test system 6, transmit numerical value to industry control stored program controlled 24, when force value reaches setting value (operation interface shows the examination value) by pressure transducer 5; Automatically close the voltage-withstand test program; Open total water inlet pneumatic valve 3, voltage-withstand test pneumatic valve 9, nominal flow rate solenoid valve 10, boundary rill solenoid valve 15 after keep-uping pressure 1 minute and carry out draining, close total water inlet pneumatic valve 3, nominal flow rate solenoid valve 10, boundary rill solenoid valve 15 behind the certain hour, finish automatic voltage-withstand test work;
4), automatically behind the voltage-withstand test end-of-job 24 controls of industry control stored program controlled open total water inlet pneumatic valve 3, nominal flow rate solenoid valve 10; DN25 electromagnetic flowmeter 11 metering and photoelectric sensor readings are carried out in photoelectric translating system 7 work synchronously, and current get into 150L work measuring instrument 12; When water consumption reaches setting value; 150KG electronic scales 13 feeds back signal to industry control stored program controlled 24, closes nominal flow rate solenoid valve 10, and the actual metered value of industry control stored program controlled 24 extraction 150KG electronic scaless 13 and photoelectric sensor reading value pass through the actual temperature value of temperature sensor 4 feedback test waters when carrying out data processing; Carry out the water-mass density finishing on backstage; The result who draws compares with extraction DN25 electromagnetic flowmeter 11 actual metered values again, draws final detection result (operation interface shows the examination value), opens the water in the 150L measuring device draining valve 14 emptying 150L work measuring instruments 12; Close 150L measuring device draining valve 14, finish nominal flow rate and detect;
5) boundary rill solenoid valve 15 was opened in 24 controls of industry control stored program controlled after, the nominal flow rate testing finished automatically; Photoelectric translating system 7 work; In waterflow stabilization, think that by DN10 electromagnetic flowmeter 16 feedbacks signal is to industry control stored program controlled 24; DN15 commutator 17 switches current and gets in the 30L work measuring instrument 18, carries out 30KG electronic scales 19 metering and photoelectric sensor readings synchronously, and DN15 commutator 17 switched once more when water consumption arrived setting value; Actual metered value in the industry control stored program controlled 24 extraction 30L work measuring instruments 18 and photoelectric sensor reading value pass through the actual temperature value of temperature sensor 4 feedback test waters when carrying out data processing; Carry out the water-mass density finishing on backstage, through the actual temperature value of temperature sensor 4 feedback test waters, carry out the water-mass density finishing on backstage when the actual metered value of industry control stored program controlled 24 extraction 150KG electronic scaless 13 and photoelectric sensor reading value carry out data processing; The result who draws compares with extraction DN10 electromagnetic flowmeter 16 actual metered values again; Draw final detection result (operation interface show examination value), close total water inlet pneumatic valve 3, boundary rill solenoid valve 15, open the water in the 30L measuring device draining valve 20 emptying 30L work measuring instruments 18; Close 30L measuring device draining valve 20, finish the boundary rill and detect;
6), detect to finish after, industry control stored program controlled 24 generates all automatically and detects data reports, shows at operation interface, is stored in the programmable data storehouse, can check printing at any time; All pneumatic valve solenoid valves are got back to virgin state, prepare to carry out water meter calibration next time.
Above-mentioned embodiment is only for explaining the technical conceive and the characteristics of the utility model; Its purpose is to let the personage that is familiar with this technology can understand the content of the utility model and implements; Can not limit the protection domain of the utility model with this; All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection domain of the utility model.
Claims (8)
1. full-automatic calibrating installation of water meter; By in-line pump (2), always intake pneumatic valve (3), treat that water gauge (25), solenoid valve, electromagnetic flowmeter and work measuring instrument are in turn connected to form the loop through pipeline; Treat that water gauge (25) is fixed on the correction platform position; Described work measuring instrument bottom is provided with electronic scales; The water side of work measuring instrument is provided with drain solenoid valve, it is characterized in that: be connected with constant temperature water tank (1) between described in-line pump (2) and the work measuring instrument, said total water inlet pneumatic valve (3) and treat to be provided with between the water gauge (25) temperature sensor (4) and pressure transducer (5); Describedly treat to be connected with between water gauge (25) and the electromagnetic flowmeter voltage-withstand test pneumatic valve (9); Vacuumize solenoid valve (8) treating to be connected with between water gauge (25) and the voltage-withstand test pneumatic valve (9), the said solenoid valve (8) that vacuumizes is gone up series connection and is provided with vacuum control check valve (21), vacuum water filter (22) and vacuum pump (23), and the said water gauge (25) of treating is provided with photoelectric translating system (7).
2. the full-automatic calibrating installation of water meter according to claim 1 is characterized in that: described solenoid valve is the nominal flow rate solenoid valve (10) that is arranged in parallel, the little manifold solenoid valve (15) of demarcating.
3. the full-automatic calibrating installation of water meter according to claim 1 is characterized in that: described temperature sensor (4), pressure transducer (5), photoelectric translating system (7), nominal flow rate solenoid valve (10), the little manifold solenoid valve (15) of demarcating are connected with industry control stored program controlled (24) through electric wire with electronic scales.
4. the full-automatic calibrating installation of water meter according to claim 3 is characterized in that: described industry control stored program controlled (24) is connected through electric wire with pressure-resistant test system (6).
5. the full-automatic calibrating installation of water meter according to claim 1 is characterized in that: described work measuring instrument is for being connected in parallel in 150L work measuring instrument (12) and the 30L work measuring instrument (18) on the constant temperature water tank (1).
6. the full-automatic calibrating installation of water meter according to claim 5; It is characterized in that: described 150L work measuring instrument (12) links to each other with nominal flow rate solenoid valve (10) through DN25 electromagnetic flowmeter (11); 150L work measuring instrument (12) bottom is provided with 150KG electronic scales (13), and the water side of described 150L work measuring instrument (12) is provided with 150L measuring device draining valve (14).
7. the full-automatic calibrating installation of water meter according to claim 5; It is characterized in that: described 30L work measuring instrument (18) links to each other with the little manifold solenoid valve of boundary (15) through DN10 electromagnetic flowmeter (16); Between work measuring instrument (18) and DN10 electromagnetic flowmeter (16), be provided with DN15 commutator (17); Said 30L work measuring instrument (18) bottom is provided with 30KG electronic scales (19), and the water side of described 30L work measuring instrument (18) is provided with 30L measuring device draining valve (20).
8. the full-automatic calibrating installation of water meter according to claim 1 is characterized in that: described correction platform position is double-row type correction platform position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204851315U CN202350881U (en) | 2011-11-29 | 2011-11-29 | Full-automatic water meter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204851315U CN202350881U (en) | 2011-11-29 | 2011-11-29 | Full-automatic water meter calibrating device |
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| Publication Number | Publication Date |
|---|---|
| CN202350881U true CN202350881U (en) | 2012-07-25 |
Family
ID=46539879
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204851315U Expired - Fee Related CN202350881U (en) | 2011-11-29 | 2011-11-29 | Full-automatic water meter calibrating device |
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| Country | Link |
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| CN (1) | CN202350881U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234606A (en) * | 2013-04-19 | 2013-08-07 | 睿能太宇（沈阳）能源技术有限公司 | System and method for verifying flow rate |
| CN103487119A (en) * | 2013-09-29 | 2014-01-01 | 杭州竞达电子有限公司 | Full-automatic error correction checking device for electronic water meter and method thereof |
| CN104949741A (en) * | 2015-06-29 | 2015-09-30 | 安徽汉威电子有限公司 | Full-automatic flow measuring device of water meter |
| CN105260710A (en) * | 2015-09-28 | 2016-01-20 | 北京石油化工学院 | Water meter detecting method, apparatus, and system based on image processing |
| CN105865589A (en) * | 2016-06-28 | 2016-08-17 | 宁波东海仪表水道有限公司 | Intelligent full-flow-point full-automatic water meter calibration apparatus |
| CN106197621A (en) * | 2016-07-19 | 2016-12-07 | 天津市炳华节能技术有限公司 | A kind of remote transmitting water meter quickly detects line |
| CN110426094A (en) * | 2019-08-30 | 2019-11-08 | 武汉力拓达科技有限公司 | A kind of metering device and method |
| CN113465840A (en) * | 2021-06-25 | 2021-10-01 | 重庆智慧水务有限公司 | Water meter sealing performance detection system and detection method |
-
2011
- 2011-11-29 CN CN2011204851315U patent/CN202350881U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234606A (en) * | 2013-04-19 | 2013-08-07 | 睿能太宇（沈阳）能源技术有限公司 | System and method for verifying flow rate |
| CN103487119A (en) * | 2013-09-29 | 2014-01-01 | 杭州竞达电子有限公司 | Full-automatic error correction checking device for electronic water meter and method thereof |
| CN104949741A (en) * | 2015-06-29 | 2015-09-30 | 安徽汉威电子有限公司 | Full-automatic flow measuring device of water meter |
| CN105260710A (en) * | 2015-09-28 | 2016-01-20 | 北京石油化工学院 | Water meter detecting method, apparatus, and system based on image processing |
| CN105260710B (en) * | 2015-09-28 | 2018-08-28 | 北京石油化工学院 | Water meter calibration method, apparatus based on image procossing and system |
| CN105865589A (en) * | 2016-06-28 | 2016-08-17 | 宁波东海仪表水道有限公司 | Intelligent full-flow-point full-automatic water meter calibration apparatus |
| CN105865589B (en) * | 2016-06-28 | 2019-02-12 | 宁波东海仪表水道有限公司 | Intelligent full flow point full-automatic water meter calibration equipment |
| CN106197621A (en) * | 2016-07-19 | 2016-12-07 | 天津市炳华节能技术有限公司 | A kind of remote transmitting water meter quickly detects line |
| CN110426094A (en) * | 2019-08-30 | 2019-11-08 | 武汉力拓达科技有限公司 | A kind of metering device and method |
| CN113465840A (en) * | 2021-06-25 | 2021-10-01 | 重庆智慧水务有限公司 | Water meter sealing performance detection system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121129 |