CN202350879U - Photoelectric direct-reading full-automatic water meter verification device - Google Patents
Photoelectric direct-reading full-automatic water meter verification device Download PDFInfo
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- CN202350879U CN202350879U CN2011204843893U CN201120484389U CN202350879U CN 202350879 U CN202350879 U CN 202350879U CN 2011204843893 U CN2011204843893 U CN 2011204843893U CN 201120484389 U CN201120484389 U CN 201120484389U CN 202350879 U CN202350879 U CN 202350879U
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- meter verification
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Abstract
The utility model relates to the technical field of water meter verification devices, in particular to an automatic water meter verification device. The device consists of a water pool, a pipeline pump, a pressure stabilizing tank, a main water inlet pneumatic valve, water meters to be verified, electromagnetic valves, electromagnetic flowmeters, a commutator and a work measuring apparatus which are connected in turn through pipelines to form a loop, wherein the water meters to be verified are fixed on a meter verification table; an electronic scale is arranged at the bottom of the work measuring apparatus; a drain electromagnetic valve is arranged at the water outlet end of the work measuring apparatus; a pressure sensor and a temperature sensor are arranged between the main water inlet pneumatic valve and the water meters to be verified; pressure resistance test pneumatic valves are connected between the water meters to be verified and the electromagnetic flowmeters; vacuumizing electromagnetic valves are connected between the water meters to be verified and the pressure resistance test pneumatic valves; a vacuum check valve, a vacuum water filter tank and a vacuum pump are connected in series on the vacuumizing electromagnetic valves; and photoelectric reading mechanisms are arranged on the water meters to be verified. The device has a simple structure, stable performance, high accuracy 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 10L 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: a kind of photoelectric direct-reading full-automatic water meter verification calibrating installation; By pond, in-line pump, buffer tank, always intake treat water gauge, the solenoid valve that is connected in parallel, electromagnetic flowmeter, commutator and the work measuring instrument of pneumatic valve, arranged in series is 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; Said total water inlet pneumatic valve and treat to be provided with between the water gauge pressure transducer and temperature sensor describedly treats to be connected with between water gauge and the electromagnetic flowmeter voltage-withstand test pneumatic valve, vacuumizes solenoid valve treating to be connected with between water gauge and the voltage-withstand test pneumatic valve; Saidly vacuumize on the solenoid valve series connection and be provided with vacuum control check valve, vacuum draining tank and vacuum pump, the said water gauge of treating is provided with photoelectric reading mechanism.
The described solenoid valve of the utility model is nominal flow rate solenoid valve, decomposition flow solenoid valve and the low discharge solenoid valve that is arranged in parallel.
The said pressure transducer of the utility model, temperature sensor, photoelectric reading mechanism, nominal flow rate solenoid valve, decomposition flow solenoid valve, low discharge solenoid valve, commutator are connected with the industry control stored program controlled through electric wire with electronic scales.
The said industry control stored program controlled of the utility model is connected through electric wire with withstand voltage Auto-Test System.
The described correction platform of the utility model position is double-row type correction platform position.
The utility model utilizes vacuum pump to vacuumize to make to be treated to form negative pressure in water gauge and the test straight length, does not have bubble behind the water-filling, realizes self-bleeding function; The working pressure sensor combine with industry control PLC control miniature electromagnetic valve realize automatic resistance test.
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. ponds among the figure, 2. in-line pump, 3. buffer tank, 4. total water inlet pneumatic valve, 5. pressure transducer; 6. temperature sensor, 7. withstand voltage Auto-Test System, 8. photoelectric reading mechanism 9. vacuumizes solenoid valve, 10. the voltage-withstand test pneumatic valve; 11. the nominal flow rate solenoid valve, 12. decompose flow solenoid valve, 13. low discharge solenoid valves, 14. commutators, 15. work measuring instruments; 16. electronic scales, 17. vacuum control check valves, 18. vacuum draining tanks, 19. vacuum pumps; 20. the industry control stored program controlled, 21. treat water gauge, 22. drain solenoid valves, 23. electromagnetic flowmeters.
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.
Photoelectric direct-reading full-automatic water meter verification calibrating installation as shown in Figure 1, current inject buffer tanks 3 through in-line pump 2, through total water inlet pneumatic valve 4, treat that water gauge 21, electromagnetic flowmeter 23, commutator 14 to work measuring instrument 15, get back to pond 1 at last.Commutator 14 switches in waterflow stabilization; Carry out electronic scales 16 metering and photoelectric reading mechanism 8 readings synchronously; Commutator 14 switches once more when arriving the setting variable; Industry control stored program controlled 20 extracts the actual metered value and the photoelectric sensor reading value carries out data processing, and testing result forms report automatically.
Technical requirement:
1) the high precision industrial electronic scale of, electronic scales: accuracy value 5g;
2), commutator: symmetry≤10ms, uncertainty≤0.02%;
3) the high sensitivity pressure transducer of, pressure transducer :-0.1-2.5MPa;
4), temperature sensor: 0-50 ℃ digital display high sensor;
5), photoelectric sensor: the photoelectric sensor of the independent research of two optical fiber, visual infrared light supply and relay indicating light;
6), vacuum pump: high-power low energy consumption vacuum pump.
The concrete operations step is following:
1), on aut.eq., install and treat water gauge 21, click software operation interface initiating key, industry control stored program controlled 20 control vacuum pumps 19 are started working; Open and vacuumize solenoid valve 9; Transmit numerical value to industry control stored program controlled 20 by pressure transducer 5, treat that water gauge 21 and the interior air of test straight length pass through vacuum control check valve 17 and discharge with vacuum water filter 18, vacuum tightness reaches setting value such as operation interface shows the examination value; Close vacuum pump 19 and vacuumize solenoid valve 9, finish automatic vent work;
2), total water inlet pneumatic valve 4, nominal flow rate solenoid valve 11, boundary flow solenoid valve 12 and low discharge solenoid valve 13 are opened in industry control stored program controlled 20 control behind the automatic vent end-of-job; Give and treat water gauge 21 water-fillings; Close total water inlet pneumatic valve 4, nominal flow rate solenoid valve 11, boundary flow solenoid valve 12, low discharge solenoid valve 13 and voltage-withstand test pneumatic valve 10 behind the certain hour; Open withstand voltage Auto-Test System 7; Transmit numerical value to industry control stored program controlled 20 by pressure transducer 5; When force value reaches setting value such as operation interface show the examination value, close withstand voltage Auto-Test System 7 automatically, opened total water inlet pneumatic valve 4, voltage-withstand test pneumatic valve 10, nominal flow rate solenoid valve 11, boundary flow solenoid valve 12, low discharge solenoid valve 13 after keep-uping pressure 1 minute and carry out draining; Close total water inlet pneumatic valve 4, nominal flow rate solenoid valve 11, boundary flow solenoid valve 12, low discharge solenoid valve 13 behind the certain hour, finish automatic voltage-withstand test work;
3), automatically behind the voltage-withstand test end-of-job 20 controls of industry control stored program controlled open total water inlet pneumatic valve 4, nominal flow rate solenoid valve 11; 8 work of photoelectric reading mechanism; Photoelectric sensor is done the contraposition adjustment slightly, and commutator 14 switches in the current entering work measuring instrument 15 in waterflow stabilization, carries out electronic scales 16 metering and photoelectric sensor readings synchronously; Commutator 14 switches once more when arriving electronic scales 16 variables of setting; Through the actual temperature value of temperature sensor 6 feedback test waters, carry out the water-mass density finishing on backstage when actual metered value in the industry control stored program controlled 20 extraction work measuring instruments 15 and photoelectric sensor reading value carry out data processing, draw testing result such as operation interface and show the examination value; Close total water inlet pneumatic valve 4, nominal flow rate solenoid valve 11; Open the water in the drain solenoid valve 22 emptying work measuring instruments 15, close drain solenoid valve 22, finish nominal flow rate and detect;
4), automatically the nominal flow rate testing finishes 20 controls of back industry control stored program controlled and opens total water inlet pneumatic valve 4, boundary flow solenoid valve 12; 8 work of photoelectric reading mechanism; Photoelectric sensor is done the contraposition adjustment slightly, and commutator 14 switches in the current entering work measuring instrument 15 in waterflow stabilization, carries out electronic scales 16 metering and photoelectric sensor readings synchronously; Commutator 14 switches once more when arriving electronic scales 16 variables of setting; Through the actual temperature value of temperature sensor 6 feedback test waters, carry out the water-mass density finishing on backstage when actual metered value in the industry control stored program controlled 20 extraction work measuring instruments 15 and photoelectric sensor reading value carry out data processing, draw testing result such as operation interface and show the examination value; Close total water inlet pneumatic valve 4, boundary flow solenoid valve 12; Open the water in the drain solenoid valve 22 emptying work measuring instruments 15, close drain solenoid valve 22, finish the boundary flow detection;
5), total water inlet pneumatic valve 4, low discharge solenoid valve 13 are opened in industry control stored program controlled 20 controls of demarcating automatically behind the flow detection end-of-job; 8 work of photoelectric reading mechanism; Photoelectric sensor is done the contraposition adjustment slightly, and commutator 14 switches in the current entering work measuring instrument 15 in waterflow stabilization, carries out electronic scales 16 metering and photoelectric sensor readings synchronously; Commutator 14 switches once more when arriving electronic scales 16 variables of setting; Through the actual temperature value of temperature sensor 6 feedback test waters, carry out the water-mass density finishing on backstage when actual metered value in the industry control stored program controlled 20 extraction work measuring instruments 15 and photoelectric sensor reading value carry out data processing, draw testing result such as operation interface and show the examination value; Close total water inlet pneumatic valve 4, low discharge solenoid valve 13; Open the water in the drain solenoid valve 22 emptying work measuring instruments 15, close drain solenoid valve 22, finish low discharge and detect;
6), after low discharge detect to finish, industry control stored program controlled 20 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 air 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 (5)
1. photoelectric direct-reading full-automatic water meter verification calibrating installation; By pond (1), in-line pump (2), buffer tank (3), always intake treat water gauge (21), the solenoid valve that is connected in parallel, electromagnetic flowmeter (23), commutator (14) and the work measuring instrument (15) of pneumatic valve (4), arranged in series is in turn connected to form the loop through pipeline; Treat that water gauge (21) is fixed on the correction platform position; Described work measuring instrument (15) bottom is provided with electronic scales (16); The water side of work measuring instrument (15) is provided with drain solenoid valve (22); It is characterized in that: said total water inlet pneumatic valve (4) and treat to be provided with between the water gauge (21) pressure transducer (5) and temperature sensor (6); Described treating is connected with voltage-withstand test pneumatic valve (10) between water gauge (21) and the electromagnetic flowmeter (23); Vacuumize solenoid valve (9) treating to be connected with between water gauge (21) and the voltage-withstand test pneumatic valve (10), the said solenoid valve (9) that vacuumizes is gone up series connection and is provided with vacuum control check valve (17), vacuum draining tank (18) and vacuum pump (19), and the said water gauge (21) of treating is provided with photoelectric reading mechanism (8).
2. photoelectric direct-reading full-automatic water meter verification calibrating installation according to claim 1 is characterized in that: described solenoid valve is nominal flow rate solenoid valve (11), decomposition flow solenoid valve (12) and the low discharge solenoid valve (13) that is arranged in parallel.
3. photoelectric direct-reading full-automatic water meter verification calibrating installation according to claim 1 is characterized in that: said pressure transducer (5), temperature sensor (6), photoelectric reading mechanism (8), nominal flow rate solenoid valve (11), decomposition flow solenoid valve (12), low discharge solenoid valve (13), commutator (14) are connected with industry control stored program controlled (20) through electric wire with electronic scales (16).
4. photoelectric direct-reading full-automatic water meter verification calibrating installation according to claim 3 is characterized in that: said industry control stored program controlled (20) is connected through electric wire with withstand voltage Auto-Test System (7).
5. photoelectric direct-reading full-automatic water meter verification calibrating installation 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 |
|---|---|---|---|
| CN2011204843893U CN202350879U (en) | 2011-11-29 | 2011-11-29 | Photoelectric direct-reading full-automatic water meter verification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204843893U CN202350879U (en) | 2011-11-29 | 2011-11-29 | Photoelectric direct-reading full-automatic water meter verification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350879U true CN202350879U (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204843893U Expired - Fee Related CN202350879U (en) | 2011-11-29 | 2011-11-29 | Photoelectric direct-reading full-automatic water meter verification device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944291A (en) * | 2012-11-07 | 2013-02-27 | 宁波市埃美仪表制造有限公司 | Device for testing wear of a plurality of water meters and water circulation method of device for testing wear of a plurality of water meters |
| CN104375520A (en) * | 2014-11-05 | 2015-02-25 | 北京航天计量测试技术研究所 | Device and method for automatically stabilizing water flow |
| CN107860441A (en) * | 2017-11-24 | 2018-03-30 | 中山市铧禧电子科技有限公司 | A kind of water flow sensing unit testboard |
| CN109520582A (en) * | 2018-11-24 | 2019-03-26 | 东莞市奥纳水务科技有限公司 | Water meter vacuum evacuation device and the method for guaranteeing water meter detection performance |
| CN112067090A (en) * | 2020-10-16 | 2020-12-11 | 江苏金钰铭电子有限公司 | Water meter detection and calibration device |
| CN112345042A (en) * | 2020-10-29 | 2021-02-09 | 湖南常德牌水表制造有限公司 | Full-automatic multifunctional water meter calibrating device and calibrating method |
-
2011
- 2011-11-29 CN CN2011204843893U patent/CN202350879U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944291A (en) * | 2012-11-07 | 2013-02-27 | 宁波市埃美仪表制造有限公司 | Device for testing wear of a plurality of water meters and water circulation method of device for testing wear of a plurality of water meters |
| CN104375520A (en) * | 2014-11-05 | 2015-02-25 | 北京航天计量测试技术研究所 | Device and method for automatically stabilizing water flow |
| CN104375520B (en) * | 2014-11-05 | 2017-10-27 | 北京航天计量测试技术研究所 | A kind of device and method of automatic stabilisation water-carrying capacity |
| CN107860441A (en) * | 2017-11-24 | 2018-03-30 | 中山市铧禧电子科技有限公司 | A kind of water flow sensing unit testboard |
| CN107860441B (en) * | 2017-11-24 | 2023-12-12 | 中山市铧禧电子科技有限公司 | Water flow sensor test board |
| CN109520582A (en) * | 2018-11-24 | 2019-03-26 | 东莞市奥纳水务科技有限公司 | Water meter vacuum evacuation device and the method for guaranteeing water meter detection performance |
| CN112067090A (en) * | 2020-10-16 | 2020-12-11 | 江苏金钰铭电子有限公司 | Water meter detection and calibration device |
| CN112345042A (en) * | 2020-10-29 | 2021-02-09 | 湖南常德牌水表制造有限公司 | Full-automatic multifunctional water meter calibrating device and calibrating 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 |