CN104880310A - Valve flow measuring system - Google Patents
Valve flow measuring system Download PDFInfo
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- CN104880310A CN104880310A CN201510308238.5A CN201510308238A CN104880310A CN 104880310 A CN104880310 A CN 104880310A CN 201510308238 A CN201510308238 A CN 201510308238A CN 104880310 A CN104880310 A CN 104880310A
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Abstract
The invention discloses a valve flow measuring system, which is mainly applied to flow performance tests and experimental data processing of valve products such as gate valves, butterfly valves, regulating valves, ball valves and the like. The structure of the valve flow measuring system is mainly composed of a water pump control system, a pressure stabilizing water tank system, a valve testing pipeline system, a data processing center, a main water inlet pipe, a main connecting pipe, a main water return pipe, a data transmission line and the like. The valve flow measuring system disclosed by the invention can detect different types of valve products with different specifications, the test pressure differential range can reach 0-600KPa, then a front-back pressure difference value of a water inlet and a water outlet of a valve to be detected can be controlled remotely through the data processing center, flow values of the valve to be detected at different pressure difference values are measured, and thus analysis is carried out so as to acquire a flow coefficient of the valve to be detected. The performance of valve products can be enabled to reach related standard requirements at home and abroad through the valve flow measuring system, and the core competitiveness of the valve products is greatly improved.
Description
Technical field
The present invention relates to a kind of system for testing valve flow, specifically referring to valve flow measuring system.
Background technology
Valve flow measuring system is the system for valve flow test, it is by the flow to valve products such as variable valve, pressure reduction, medium temperature, the isoparametric collection of inlet and outlet pressure, analysis, thus thoroughly can understand flow and the adjusting function of various valve products, make the performance of valve products reach correlation standard both domestic and external.The valve manufacturing enterprise of current most domestic also just imitates in product appearance, deep research is not passed through to the technical feature of valve products own, quality requirements, one of them main cause is that the R&D work of enterprise is also just by virtue of experience being done, the R&D process of new product does not have clear and definite evaluating data, cause the generation of above-mentioned reason mainly each valve manufacturing enterprise there is no good checkout equipment to provide product associated parameter data, the backwardness due to research and development ability directly has influence on the core competitiveness of domestic valve products.Therefore, in order to the performance of valve products can be understood further, accumulation experimental knowledge and experimental data, improve enterprise to the research and development ability of valve products, make the property indices of valve products can meet the relevant criterion of domestic and international valve products, valve flow measuring system is a kind of indispensable Experimental Establishment beyond doubt.
Summary of the invention
Technical matters to be solved by this invention is to overcome the defect of prior art and provides a kind of and can carry out the valve flow measuring system of flow performance test and Data Processing in Experiment to valve products that is dissimilar, different size.
Technical matters of the present invention is achieved through the following technical solutions:
A kind of valve flow measuring system, comprises control system of water pump, water tank of voltage regulation system, valve test pipe system and data processing centre (DPC); Be provided with the main water inlet tube, water tank of voltage regulation system and the valve that are connected between described control system of water pump with water tank of voltage regulation system to test and to be provided with the main connecting pipe, the valve that are connected between pipe system and to test the main water return tube being provided with between pipe system with control system of water pump and being connected; Described data processing centre (DPC) connects control system of water pump and valve test pipe system respectively by data line, described control system of water pump comprise variable frequency pump switch board, make-up pump switch board, many groups be connected in variable frequency pump manifold assemblies between main water inlet tube and main water return tube in parallel, be connected to the distribution pipeline between main water inlet tube and main water return tube, the solenoid valve manifold assemblies be connected on main water inlet tube; Be equipped with variable frequency pump in described often group variable frequency pump manifold assemblies, this variable frequency pump connects variable frequency pump switch board by data line, and variable frequency pump switch board is by data line connection data processing enter; Also be provided with variable frequency pump in described solenoid valve manifold assemblies, this variable frequency pump connects make-up pump switch board by data line; Described water tank of voltage regulation system comprises water tank of voltage regulation and is arranged on tensimeter, liquid level sensor, unloader, vent valve, hydraulic ga(u)ge and the thermometer on water tank of voltage regulation; Described main water inlet tube is connected to the water inlet of water tank of voltage regulation successively by worm-drive ball valve and reducing connecting pipe; Described main connecting pipe is connected to the water delivering orifice of water tank of voltage regulation; Described tensimeter is provided with pressure transducer, and this pressure transducer connects variable frequency pump switch board by data line; Described valve test pipe system comprises the vent valve of installed in series in order on main connecting pipe, worm-drive ball valve, flowmeter, reducing connecting pipe and valve to be checked, also comprise the many groups of valve manifold assemblies to be checked be connected in parallel between main connecting pipe and main water return tube, often organize in valve manifold assembly to be checked and be equipped with flowmeter; Flowmeter on described main connecting pipe and the flowmeter often organized in valve manifold assembly to be checked are all by data line connection data processing enter; Valve two ends to be checked on described main connecting pipe are provided with the differential manometer manifold assemblies be connected in parallel, and this differential manometer manifold assemblies comprises the differential manometer and two pressure measuring tie-ins that are sequentially connected in series with arm, and these two pressure measuring tie-ins are connected to differential manometer both sides; Described differential manometer is by data line connection data processing enter.
Described variable frequency pump switch board comprises inductor, PLC, PID controller, frequency conversion tank and topworks; Described inductor, by data line connection data processing enter, also connects PLC and topworks by data line successively; Described PID controller, also to be connected successively by data line between frequency conversion tank and topworks; The described often variable frequency pump organized in variable frequency pump manifold assemblies all connects topworks by data line.
Described variable frequency pump manifold assemblies of often organizing includes the electrical ball valve, filtrator, variable frequency pump and the non-return valve that are sequentially connected in series with arm; Described electrical ball valve water inlet is connected with main water return tube, electrical ball valve water delivering orifice is connected with filtrator water inlet, filtrator water delivering orifice is connected with variable frequency pump water inlet, and variable frequency pump water delivering orifice is connected with non-return valve water inlet, and non-return valve water delivering orifice is connected with main water inlet tube.
Described distribution pipeline comprises the handle ball valve and dynamic balance valve that are sequentially connected in series with arm; Described handle ball valve water inlet is connected with main water return tube, and handle ball valve water delivering orifice is connected with dynamic balance valve water inlet, and dynamic balance valve water delivering orifice is connected with main water inlet tube.
Described solenoid valve manifold assemblies comprises the solenoid valve, filtrator, variable frequency pump and the non-return valve that are sequentially connected in series with arm; Described solenoid valve is connected with level sensor, solenoid valve water inlet is connected with circulating water pool, solenoid valve water delivering orifice is connected with filtrator water inlet, filtrator water delivering orifice is connected with variable frequency pump water inlet, variable frequency pump water delivering orifice is connected with non-return valve water inlet, and non-return valve water delivering orifice is connected with main water inlet tube.
Handle ball valve is connected bottom described water tank of voltage regulation; Pressure transducer on described tensimeter connects the PID controller of variable frequency pump switch board by data line.
Described often organize valve manifold assembly to be checked include be sequentially connected in series with arm two handles ball valves, flowmeter, valve to be checked and two rapid-acting couplings; Two described handles ball valves are connected on main connecting pipe and main water return tube, and two rapid-acting couplings are connected to water inlet and the water delivering orifice of valve to be checked; The described handle ball valve water delivering orifice be connected on main connecting pipe is connected with flowmeter water inlet, flowmeter water delivering orifice is connected with the rapid-acting coupling being connected to valve water inlet to be checked, and the rapid-acting coupling being connected to valve outlet to be checked is connected with the handle ball valve water inlet be connected on main water return tube.
Described often organize flowmeter water delivering orifice in valve manifold assembly to be checked and be provided with flexible pipe between the rapid-acting coupling being connected to valve water inlet to be checked and be connected.
Flowmeter water delivering orifice on described main connecting pipe be provided with flexible pipe between reducing connecting pipe water inlet and be connected.
Described data processing centre (DPC) is a set of data processing equipment including worktable, computing machine and printer, this computing machine is provided with flow rate test analysis software, this software has flow value display, pressure difference shows the control knob with setting, variable frequency pump.
Compared with prior art, the valve flow measuring system that the present invention proposes can detect valve products that is dissimilar, different size, test pressure differential scope can reach 0 ~ 600KPa, again by pressure difference before and after the entery and delivery port of the remote controlled valve to be checked of data processing centre (DPC), and record the flow value of valve to be checked under different pressure difference, thus carry out the coefficient of flow analyzing to draw valve to be checked, the performance of valve products can be made to reach correlation standard both domestic and external by this cover valve Flow Measuring System, the core competitiveness of poppet product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of control system of water pump.
Fig. 3 is the structural representation of water tank of voltage regulation system.
Fig. 4 is the structural representation of valve test pipe system.
Fig. 5 is the structural representation of data processing centre (DPC).
Embodiment
To elaborate again to the embodiment of the present invention by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 5,1. main water inlet tube, 2. control system of water pump, 21. variable frequency pump switch boards, 211. inductor, 212.PLC controller, 213. topworks, 214. frequency conversion tank, 215.PID controller, 22. make-up pump switch boards, 23. variable frequency pump manifold assemblies, 231. electrical ball valve, 232. filtrator, 233. variable frequency pump, 234. non-return valve, 24. solenoid valve manifold assemblies, 241. solenoid valve, 242. level sensor, 243. circulating water pool, 25. distribution pipelines, 251. dynamic balance valve, 252. handle ball valves, 3. water tank of voltage regulation system, 31. water tank of voltage regulation, 32. pressure transducers, 33. tensimeters, 34. liquid level sensors, 35. unloaders, 36. hydraulic ga(u)ges, 37. thermometers, 4. main connecting pipe, 5. valve test pipe system, 51. flowmeters, 52. flexible pipes, 53. valves to be checked, 54. valve manifold assemblies to be checked, 541. rapid-acting coupling, 55. differential manometer manifold assemblies, 551. differential manometer, 552. pressure measuring tie-in, 6. data processing centre (DPC), 7. main water return tube, 8. data line, 9. arm, 10. worm-drive ball valve, 11. reducing connecting pipes, 12. vent valves.
Valve flow measuring system, as shown in Figure 1, it is a for gate valve, butterfly valve, variable valve, ball valves etc. are dissimilar, the valve products of different size carries out the measuring system of flow performance test and Data Processing in Experiment, its structure is mainly made up of three digest journals and a data processing centre (DPC) dominated by computing machine 6, three digest journals and control system of water pump 2, water tank of voltage regulation system 3 and valve test pipe system 5, and between control system of water pump 2 with water tank of voltage regulation system 3, be provided with the main water inlet tube 1 be connected, water tank of voltage regulation system 3 and valve test the main connecting pipe 4 being provided with between pipe system 5 and being connected, valve is tested pipe system 5 and is provided with the main water return tube 7 be connected between control system of water pump 1, therefore by main water inlet tube 1, the connection of main connecting pipe 4 and main water return tube 7 makes to form water circulation between three digest journals.
Described control system of water pump 2 as shown in Figure 2, it comprise variable frequency pump switch board 21, make-up pump switch board 22, many groups be connected in variable frequency pump manifold assemblies 23 between main water inlet tube 1 and main water return tube 7 in parallel, be connected to the distribution pipeline 25 between main water inlet tube 1 and main water return tube 7, the solenoid valve manifold assemblies 24 be connected on main water inlet tube 1.
Wherein, variable frequency pump switch board 21 comprises inductor 211, PLC 212, PID controller 215, frequency conversion tank 214 and topworks 213; This inductor 211, by data line 8 connection data processing enter 6, also connects PLC 212 and topworks 213 by data line 8 successively; This PID controller 215, also to be connected successively by data line 8 between frequency conversion tank 214 and topworks 213.
Described variable frequency pump manifold assemblies 23 is provided with three groups in the present embodiment, often organizes variable frequency pump manifold assemblies 23 and includes the electrical ball valve 231, filtrator 232, variable frequency pump 233 and the non-return valve 234 that are sequentially connected in series with arm 9; Described electrical ball valve 231 water inlet is connected with main water return tube 7, electrical ball valve 231 water delivering orifice is connected with filtrator 232 water inlet, filtrator 232 water delivering orifice is connected with variable frequency pump 233 water inlet, variable frequency pump 233 water delivering orifice is connected with non-return valve 234 water inlet, and non-return valve 234 water delivering orifice is connected with main water inlet tube 1.
Described distribution pipeline 25 mainly realizes bypass shunt effect, and it comprises the handle ball valve 252 and dynamic balance valve 251 that are sequentially connected in series with arm 9; Described handle ball valve 252 water inlet is connected with main water return tube 7, and handle ball valve 252 water delivering orifice is connected with dynamic balance valve 251 water inlet, and dynamic balance valve 251 water delivering orifice is connected with main water inlet tube 1.
Described solenoid valve manifold assemblies 24 comprises the solenoid valve 241, filtrator 232, variable frequency pump 233 and the non-return valve 234 that are sequentially connected in series with arm 9; Described solenoid valve 241 is connected with level sensor 242, solenoid valve 241 water inlet is connected with circulating water pool 243, solenoid valve 241 water delivering orifice is connected with filtrator 232 water inlet, filtrator 232 water delivering orifice is connected with variable frequency pump 233 water inlet, variable frequency pump 233 water delivering orifice is connected with non-return valve 234 water inlet, non-return valve 234 water delivering orifice is connected with main water inlet tube 1, therefore the water circulation used in a whole set of valve flow measuring system is all sucked at the water source in circulating water pool 243 by solenoid valve 241 and carry out supplying.
Simultaneously, the process of data transmission is also there is in control system of water pump 2, mainly often the variable frequency pump 233 organized in variable frequency pump manifold assemblies 23 all connects the topworks 213 of variable frequency pump switch board 21 by data line 8, and is controlled the rotating speed of variable frequency pump 233 by topworks; Variable frequency pump in solenoid valve manifold assemblies 24 233 connects make-up pump switch board 22 by data line 8, to control water source supply needs.
As shown in Figure 3, it comprises water tank of voltage regulation 31 and is arranged on tensimeter 33, liquid level sensor 34, unloader 35, vent valve 12, hydraulic ga(u)ge 36 and the thermometer 37 on water tank of voltage regulation described water tank of voltage regulation 3 system; Described water tank of voltage regulation 31 volume is 1300L, be provided with water inlet, and main water inlet tube 1 is connected to the water inlet of water tank of voltage regulation 31 successively by worm-drive ball valve 10 and reducing connecting pipe 11 at the left upper end of water tank of voltage regulation, and for providing water source in water tank of voltage regulation 31; The bottom righthand side of water tank of voltage regulation 31 is provided with water delivering orifice, and this water delivering orifice connects main connecting pipe 4; The bottom of water tank of voltage regulation 31 connects handle ball valve 252, can carry out pressure release effect; Simultaneously, tensimeter 33, liquid level sensor 34, unloader 35 and vent valve 12 are installed in water tank of voltage regulation 31 top, on the left of tensimeter 33, be also provided with pressure transducer 32, this pressure transducer connects the PID controller 215 of variable frequency pump switch board 21 by data line 8; Hydraulic ga(u)ge 36 is arranged on water tank of voltage regulation 31 upper right side, can demonstrate the water level in water tank of voltage regulation 31; Thermometer 37 is arranged on below hydraulic ga(u)ge 36, can demonstrate the water temperature value in water tank of voltage regulation 31.
Described valve test pipe system 5 comprises the vent valve of installed in series in order on main connecting pipe 4 12, two worm-drive ball valves 10, flowmeter 51, two reducing connecting pipes 11 and valve to be checked 53, its concrete order of connection connects vent valve 12, worm-drive ball valve 10, flowmeter 51, reducing connecting pipe 11, valve to be checked 53, reducing connecting pipe 11 and worm-drive ball valve 10 according to shown in Fig. 4, Fig. 5 successively with the direction that intakes, and is provided with flexible pipe 52 between flowmeter 51 water delivering orifice with reducing connecting pipe 11 water inlet and is connected through flange; Simultaneously, valve to be checked 53 two ends on main connecting pipe 4 are provided with the differential manometer manifold assemblies 55 be connected in parallel, this differential manometer manifold assemblies comprises the differential manometer 551 and two pressure measuring tie-ins 552 that are sequentially connected in series with arm 9, these two pressure measuring tie-ins 552 are connected to differential manometer 551 both sides, and differential manometer 551 is then by data line 8 connection data processing enter 6.
Described valve test pipe system 5 also comprises the many groups of valve manifold assemblies 54 to be checked be connected in parallel between main connecting pipe 4 and main water return tube 7, the present embodiment is provided with three groups, often organize valve manifold assembly 54 to be checked include be sequentially connected in series with arm 9 two handles ball valves 252, flowmeter 51, valve to be checked 53 and two rapid-acting couplings 541; Handle ball valve 252 in described three groups valve manifold assemblies 54 to be checked adopts these three kinds of specifications of DN25, DN40, DN80 respectively, its two handles ball valves 252 often organized in valve manifold assembly 54 to be checked are connected on main connecting pipe 4 and main water return tube 7, two rapid-acting couplings 541 are connected to water inlet and the water delivering orifice of valve 53 to be checked, facilitate the Fast Installation of valve to be checked to connect; Described handle ball valve 252 water delivering orifice be connected on main connecting pipe 4 is connected with flowmeter 51 water inlet, flowmeter 51 water delivering orifice is connected with the rapid-acting coupling 541 being connected to valve 53 water inlet to be checked, and the rapid-acting coupling 541 being connected to valve 53 water delivering orifice to be checked is connected with handle ball valve 252 water inlet be connected on main water return tube 7; Meanwhile, flowmeter 51 water delivering orifice often organized in valve manifold assembly 54 to be checked is connected for flexible pipe 52 with between the rapid-acting coupling 541 being connected to valve 53 water inlet to be checked.
Flowmeter 51 on described main connecting pipe 4 and the flowmeter 51 often organized in valve manifold assembly 54 to be checked are all by data line 8 connection data processing enter 6.
Described data processing centre (DPC) 6 is a set of data processing equipments including the set of equipments such as worktable, computing machine and printer, be provided with flow rate test analysis software on computers, this software has flow value display, pressure difference shows the control knob with setting, variable frequency pump, control keying and the action rotating speed of variable frequency pump by this software, and set pressure difference and carry out system acting.
Test pressure differential scope of the present invention can reach 0 ~ 600Kpa, by pressure difference before and after the entery and delivery port of the remote controlled valve 53 to be checked of data processing centre (DPC) 6, and record the flow value of valve to be checked under different pressure difference, thus carry out the coefficient of flow analyzing to draw valve 53 to be checked, the valve products performances that are dissimilar, different size such as gate valve, butterfly valve, variable valve, ball valve can be made to reach correlation standard both domestic and external by this cover valve Flow Measuring System, the significant increase core competitiveness of valve products.
Claims (10)
1. a valve flow measuring system, comprises control system of water pump (2), water tank of voltage regulation system (3), valve test pipe system (5) and data processing centre (DPC) (6); Described control system of water pump (2) be provided with the main water inlet tube (1), water tank of voltage regulation system (3) and the valve that are connected between water tank of voltage regulation system (3) and test and to be provided with the main connecting pipe (4), the valve that are connected between pipe system (5) and to test the main water return tube (7) being provided with between pipe system (5) with control system of water pump (1) and being connected; Described data processing centre (DPC) (6) connects control system of water pump (2) and valve test pipe system (5) respectively by data line (8), it is characterized in that:
A, described control system of water pump (2) comprise variable frequency pump switch board (21), make-up pump switch board (22), many groups be connected in variable frequency pump manifold assemblies (23) between main water inlet tube (1) and main water return tube (7) in parallel, be connected to the distribution pipeline (25) between main water inlet tube (1) and main water return tube (7), the solenoid valve manifold assemblies (24) be connected on main water inlet tube (1); Variable frequency pump (233) is equipped with in described often group variable frequency pump manifold assemblies (23), this variable frequency pump connects variable frequency pump switch board (21) by data line (8), and variable frequency pump switch board (21) is by data line (8) connection data processing enter (6); Also be provided with variable frequency pump (233) in described solenoid valve manifold assemblies (24), this variable frequency pump connects make-up pump switch board (22) by data line (8);
B, described water tank of voltage regulation system (3) comprise water tank of voltage regulation (31) and are arranged on tensimeter (33), liquid level sensor (34), unloader (35), vent valve (12), hydraulic ga(u)ge (36) and the thermometer (37) on water tank of voltage regulation; Described main water inlet tube (1) is connected to the water inlet of water tank of voltage regulation (31) successively by worm-drive ball valve (10) and reducing connecting pipe (11); Described main connecting pipe (4) is connected to the water delivering orifice of water tank of voltage regulation (31); Described tensimeter (33) is provided with pressure transducer (32), and this pressure transducer connects variable frequency pump switch board (21) by data line (8);
C, described valve test pipe system (5) comprise the vent valve (12) of installed in series in order on main connecting pipe (4), worm-drive ball valve (10), flowmeter (51), reducing connecting pipe (11) and valve to be checked (53), also comprise the many groups of valve manifold assemblies (54) to be checked be connected in parallel between main connecting pipe (4) and main water return tube (7), often organize in valve manifold assembly (54) to be checked and be equipped with flowmeter (51); Flowmeter (51) on described main connecting pipe (4) and the flowmeter (51) often organized in valve manifold assembly (54) to be checked are all by data line (8) connection data processing enter (6);
Valve to be checked (53) two ends on d, described main connecting pipe (4) are provided with the differential manometer manifold assemblies (55) be connected in parallel, this differential manometer manifold assemblies comprises the differential manometer (551) and two pressure measuring tie-ins (552) that are sequentially connected in series with arm (9), and these two pressure measuring tie-ins are connected to differential manometer (551) both sides; Described differential manometer (551) is by data line (8) connection data processing enter (6).
2. valve flow measuring system according to claim 1, is characterized in that described variable frequency pump switch board (21) comprises inductor (211), PLC (212), PID controller (215), frequency conversion tank (214) and topworks (213); Described inductor (211), by data line (8) connection data processing enter (6), also connects PLC (212) and topworks (213) by data line (8) successively; Described PID controller (215), also to be connected successively by data line (8) between frequency conversion tank (214) and topworks (213); Variable frequency pump (233) in described often group variable frequency pump manifold assemblies (23) all connects topworks (213) by data line (8).
3. valve flow measuring system according to claim 1, is characterized in that described often group variable frequency pump manifold assemblies (23) includes the electrical ball valve (231), filtrator (232), variable frequency pump (233) and the non-return valve (234) that are sequentially connected in series with arm (9); Described electrical ball valve (231) water inlet is connected with main water return tube (7), electrical ball valve (231) water delivering orifice is connected with filtrator (232) water inlet, filtrator (232) water delivering orifice is connected with variable frequency pump (233) water inlet, variable frequency pump (233) water delivering orifice is connected with non-return valve (234) water inlet, and non-return valve (234) water delivering orifice is connected with main water inlet tube (1).
4. valve flow measuring system according to claim 1, is characterized in that described distribution pipeline (25) comprises the handle ball valve (252) and dynamic balance valve (251) be sequentially connected in series with arm (9); Described handle ball valve (252) water inlet is connected with main water return tube (7), and handle ball valve (252) water delivering orifice is connected with dynamic balance valve (251) water inlet, and dynamic balance valve (251) water delivering orifice is connected with main water inlet tube (1).
5. valve flow measuring system according to claim 1, is characterized in that described solenoid valve manifold assemblies (24) comprises the solenoid valve (241), filtrator (232), variable frequency pump (233) and the non-return valve (234) that are sequentially connected in series with arm (9); Described solenoid valve (241) is connected with level sensor (242), solenoid valve (241) water inlet is connected with circulating water pool (243), solenoid valve (241) water delivering orifice is connected with filtrator (232) water inlet, filtrator (232) water delivering orifice is connected with variable frequency pump (233) water inlet, variable frequency pump (233) water delivering orifice is connected with non-return valve (234) water inlet, and non-return valve (234) water delivering orifice is connected with main water inlet tube (1).
6. valve flow measuring system according to claim 1 and 2, is characterized in that described water tank of voltage regulation (31) bottom connects handle ball valve (252); Pressure transducer (32) on described tensimeter (33) connects the PID controller (215) of variable frequency pump switch board (21) by data line (8).
7. valve flow measuring system according to claim 1, it is characterized in that described often group valve manifold to be checked assembly (54) include be sequentially connected in series with arm (9) two handles ball valves (252), flowmeter (51), valve to be checked (53) and two rapid-acting couplings (541); Two described handles ball valves (252) are connected on main connecting pipe (4) and main water return tube (7), and two rapid-acting couplings (541) are connected to water inlet and the water delivering orifice of valve to be checked (53); Described handle ball valve (252) water delivering orifice be connected on main connecting pipe (4) is connected with flowmeter (51) water inlet, flowmeter (51) water delivering orifice is connected with the rapid-acting coupling (541) being connected to valve to be checked (53) water inlet, and the rapid-acting coupling (541) being connected to valve to be checked (53) water delivering orifice is connected with handle ball valve (252) water inlet be connected on main water return tube (7).
8. valve flow measuring system according to claim 7, is characterized in that flowmeter (51) water delivering orifice in described often group valve manifold to be checked assembly (54) and is provided with flexible pipe (52) between the rapid-acting coupling (541) being connected to valve to be checked (53) water inlet and is connected.
9. valve flow measuring system according to claim 7, is characterized in that flowmeter (51) water delivering orifice on described main connecting pipe (4) and is provided with flexible pipe (52) between reducing connecting pipe (11) water inlet and is connected.
10. valve flow measuring system according to claim 1, it is characterized in that described data processing centre (DPC) (6) is a set of data processing equipment including worktable, computing machine and printer, this computing machine is provided with flow rate test analysis software, this software has flow value display, pressure difference shows the control knob with setting, variable frequency pump.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105424264A (en) * | 2015-12-28 | 2016-03-23 | 北航温州研究院 | Valve flow and flow resistance coefficient detection device |
| CN106525358A (en) * | 2016-12-20 | 2017-03-22 | 北京西门子西伯乐斯电子有限公司 | Valve pressure testing system and method |
| CN109085005A (en) * | 2018-09-25 | 2018-12-25 | 中国农业大学 | A kind of agricultural filter performance synthesis test platform |
| CN110058095A (en) * | 2019-03-12 | 2019-07-26 | 中国农业大学 | Simulate the irrigation magnetic valve performance test macro and method of multi-water resources irrigation conditions |
| CN116124444A (en) * | 2023-04-17 | 2023-05-16 | 博莱阀门（常州）有限公司 | Valve testing device of circulating water tank and application method thereof |
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