CN100480665C - Testing method of flow ratio valve feature curve - Google Patents
Testing method of flow ratio valve feature curve Download PDFInfo
- Publication number
- CN100480665C CN100480665C CNB200610154454XA CN200610154454A CN100480665C CN 100480665 C CN100480665 C CN 100480665C CN B200610154454X A CNB200610154454X A CN B200610154454XA CN 200610154454 A CN200610154454 A CN 200610154454A CN 100480665 C CN100480665 C CN 100480665C
- Authority
- CN
- China
- Prior art keywords
- flow
- valve
- testing
- test
- flow ratio
- 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.)
- Active
Links
Images
Abstract
The invention relates to flow proportional valve characteristic curve testing method. It uses air as test medium on test platform, changes the current of the flow proportional valve coil to change valve port opening and flow, displays current and flow characteristic curve relationship of the flow proportional valve coil while testing. It firstly tests two standard valves which respectively have maximum and minimum flow at the same current and qualified range, displays characteristic curve interval tested by the standard valve on the display; if the characteristic curve of the tested flow proportional valve is in the interval, the product is qualified. The invention replaces traditional liquid by air as test medium which can greatly increase work efficiency, improve labor strength, uneasily occur justice failure, and effectively ensure product quality.
Description
Technical field
The present invention relates to a kind of method of testing of flow ratio valve feature curve, belong to the assembling technical field of measurement and test of flow proportion valve.
Background technology
Flow proportion valve is a kind ofly to obtain the electromagnetic flow valve of stepless output fluid flow by varying in size of input line solenoid valve loop current, and the flow of its output is the stepless output with the size of coil input current.The characteristic of output is the flow curve that changes in certain interval.Family curve test to flow proportion valve generally all is medium with liquid at present, and directly by the inlet chamber and the outlet chamber of flow proportion valve, voltage or electric current are regulated direct classification input coil by manual control with fluid.Voltage of every input or flow number of electric current record, the numerical value to record carries out the whether qualified of manual analysis computational discrimination tested valve then.So not only inefficiency but also labor intensity are big, misjudgement takes place easily cause the certain economic loss.
Summary of the invention
The object of the present invention is to provide a kind of reasonable in designly, can effectively guarantee the quality of product, the method for testing of the flow ratio valve feature curve of increasing work efficiency.
The present invention is the method for testing of flow ratio valve feature curve, it is characterized in that testing on test platform as tested media with air, pass through to change the electric current of measured flux proportioning valve coil during test, thereby change the aperture of valve port, reach the purpose that changes flow, and on display, show the family curve relation of flow proportion valve coil current and flow; At first test two standard valves during work, two standard valves are respectively two valves of and flow minimum maximum at same current down-off flow in acceptability limit, standard valve is recorded characteristic interval be presented on the display, the family curve of the flow proportion valve of test is as long as be specification product in this interval later on.
Described test platform can be by accumulator, pressure regulator, flow testing device, flowmeter, back pressure controller, data acquisition module, sample resistance, driving circuit, the formations such as industrial computer of band display; Described flow testing device places the cylinder of fixed support top band piston rod by being with support bracket fastened lower valve base, is fixed in the formations such as upper valve base that piston-rod lower end is brought gas joint and exhaust joint into; Accumulator, pressure regulator, inlet suction port on the flow testing device and exhaust joint, flowmeter, back pressure controller are connected to form the flow rate test path of flow proportion valve successively; Data acquisition module respectively with flowmeter, sample resistance, measured flux proportioning valve coil links to each other with industrial computer, the other end ground connection of sample resistance; The two ends of driving circuit link to each other with industrial computer with measured flux proportioning valve coil respectively.
Also can be provided with tensimeter on the export pipeline of described accumulator and pressure regulator.The two ends of described accumulator also can be respectively equipped with ball valve.
Also can be provided with guide pole on the described fixed support, upper valve base is moved up and down at the driving lower edge of piston rod guide pole.The bottom of described lower valve base can be connected and fixed by bolt and fixed support, and the bottom of piston rod is connected and fixed by coupling nut and upper valve base.Also can be provided with the butt-end packing pad between described upper valve base and the lower valve base.
The present invention adopts air to replace traditional liquid as tested media, and provide the voltage or the electric current of measured flux proportioning valve coil automatically by industrial computer, automatically gather the delivery rate data of measured flux proportioning valve, and generation output characteristic curve, on same display screen, compare and make assessment with the family curve interval of standard valve, thereby judge the quality of flow proportion valve, test data can also be stored in the database automatically, is convenient to call at any time and analyze.Improve work efficiency greatly, and improved labour intensity, and be difficult for misjudging, effectively guaranteed the quality of product.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of test platform of the present invention;
Fig. 2 is the one-piece construction cut-open view of flow testing device of the present invention.
Embodiment
Equipment of the present invention mainly comprises test platform and flow testing device.Test platform is with tensimeter 3 pressure regulators 4 by the accumulator 2 of dribbling valve 1 and tensimeter 3, flow testing device 5, flowmeter 7, back pressure controller 8, data acquisition module 9, sample resistance 10, driving circuit 11, industrial computer 12 formations such as grade of band display 13; Flow testing device is by the lower valve base 24 of band fixed support 16, place the guide pole 19 on fixed support 16 tops and the cylinder 17 of band piston rod 22, be fixed in piston rod 22 lower ends and bring the upper valve base 15 of gas joint 14 and exhaust joint 20 into, place the formations such as butt-end packing pad 21 between upper valve base 15 and the lower valve base 24; Accumulator 2, pressure regulator 4, inlet suction port 14 on the flow testing device 5 and exhaust joint 20, flowmeter 7, back pressure controller 8 are connected to form the flow rate test path of flow proportion valve successively; Data acquisition module 9 respectively with flowmeter 7, sample resistance 10, measured flux proportioning valve coil 23 links to each other with industrial computer 12, the other end ground connection of sample resistance 10; The two ends of driving circuit 11 link to each other with industrial computer 12 with measured flux proportioning valve coil 23 respectively.
The bottom of lower valve base 24 is connected and fixed by bolt 25 and fixed support 16, and the bottom of piston rod 22 is connected and fixed by coupling nut 18 and upper valve base 15.
The major function of data acquisition module 9 is to accept the analog electrical signal of flowmeter 7 and sample resistance 10, converts the analog electrical signal that collects to digital signal, and sends into industrial computer 12 by pci bus.Industrial computer 12 is an industrial computer, in be provided with software according to test event and control program, its major function is according to the data of gathering, and sends instruction, control Driver Circuit 11 and display 13 work are finished every test event line data of going forward side by side and are handled.The major function of driving circuit 11 is to accept the instruction of industrial computer 12, and the electric current of control measured flux proportioning valve coil 23 is finished test job.Accumulator 3 provides enough source of the gas to test access, and pressurized air import at measured flux proportioning valve 6 after pressure regulator 4 pressure regulation forms a stable intake pressure source of the gas.The main effect of back pressure controller 8 is to provide a stable back pressure and pressure regulator 4 to be engaged in flow testing device 5 two ends to flow testing device 5 to form stable pressure reduction and make measurement more accurately and reliably stable.
During work, at first test two standard valves, two standard valves are respectively two valves of and flow minimum maximum at same current down-off flow in acceptability limit, standard valve is recorded characteristic interval be presented on the display 13.Measured flux proportioning valve 6 with belt coil 23, inlet chamber A, valve port C, outlet chamber B is inverted in the lower valve base 24 then, start cylinder 17, drive upper valve base 15 and under the guiding of guide pole 19, compress measured flux proportioning valve 6, and seal with butt-end packing pad 21; The test gas circuit that unlatching is connected to form successively by inlet suction port 14, inlet chamber A, valve port C, outlet chamber B, exhaust joint 20, the instruction that coil 23 is set according to peripheral hardware industrial computer 12, carry out test job by the size that driving circuit 11 changes electric current, peripheral hardware industrial computer 12 is according to the family curve of test, compare with standard valve family curve interval, automatically make assessment, finish test.
Claims (6)
1, a kind of method of testing of flow ratio valve feature curve, it is characterized in that testing on test platform as tested media with air, pass through to change the electric current of measured flux proportioning valve coil during test, thereby change the aperture of valve port, reach the purpose that changes flow, and on display, show the family curve relation of flow proportion valve coil current and flow; At first test two standard valves during work, two standard valves are respectively two valves of and flow minimum maximum at same current down-off flow in acceptability limit, standard valve is recorded characteristic interval be presented on the display, the family curve of the flow proportion valve of test is as long as be specification product in this interval later on; Described test platform is by accumulator (2), pressure regulator (4), and flow testing device (5), flowmeter (7), back pressure controller (8), data acquisition module (9), sample resistance (10), driving circuit (11), the industrial computer (12) of band display (13) constitutes; Described flow testing device is by the lower valve base (24) of band fixed support (16), place the cylinder (17) of fixed support (16) top band piston rod (22), be fixed in upper valve base (15) formation that piston rod (22) lower end is brought gas joint (14) and exhaust joint (20) into; Accumulator (2), pressure regulator (4), inlet suction port (14) on the flow testing device (5) and exhaust joint (20), flowmeter (7), back pressure controller (8) is connected to form the flow rate test path of flow proportion valve successively; Data acquisition module (9) respectively with flowmeter (7), sample resistance (10), measured flux proportioning valve coil (23) links to each other with industrial computer (12), the other end ground connection of sample resistance (10); The two ends of driving circuit (11) link to each other with industrial computer (12) with measured flux proportioning valve coil (23) respectively.
2,, it is characterized in that also being provided with tensimeter (3) on the export pipeline of described accumulator (2) and pressure regulator (4) by the method for testing of the described flow ratio valve feature curve of claim 1.
3, by the method for testing of claim 1 or 2 described flow ratio valve feature curves, it is characterized in that the two ends of described accumulator (2) also are respectively equipped with ball valve (1).
4, by the method for testing of the described flow ratio valve feature curve of claim 1, it is characterized in that also being provided with guide pole (19) on the described fixed support (16), upper valve base (15) is moved up and down at the driving lower edge of piston rod (22) guide pole (19).
5, press the method for testing of the described flow ratio valve feature curve of claim 1, the bottom that it is characterized in that described lower valve base (24) is connected and fixed by bolt (25) and fixed support (16), and the bottom of piston rod (22) is connected and fixed by coupling nut (18) and upper valve base (15).
6, by the method for testing of the described flow ratio valve feature curve of claim 1, it is characterized in that also being provided with butt-end packing pad (21) between described upper valve base (15) and the lower valve base (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610154454XA CN100480665C (en) | 2006-10-31 | 2006-10-31 | Testing method of flow ratio valve feature curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610154454XA CN100480665C (en) | 2006-10-31 | 2006-10-31 | Testing method of flow ratio valve feature curve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1948938A CN1948938A (en) | 2007-04-18 |
| CN100480665C true CN100480665C (en) | 2009-04-22 |
Family
ID=38018518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610154454XA Active CN100480665C (en) | 2006-10-31 | 2006-10-31 | Testing method of flow ratio valve feature curve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100480665C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445355A (en) * | 2011-10-18 | 2012-05-09 | 中国航天科技集团公司第五研究院第五一〇研究所 | System and method for testing micro-flow thermal throttling device for ionic electric propulsion |
| CN102564755B (en) * | 2012-02-09 | 2014-03-19 | 浙江春晖智能控制股份有限公司 | Energy-saving test method of regulating valve |
| CN102749190A (en) * | 2012-06-22 | 2012-10-24 | 浙江春晖智能控制股份有限公司 | Testing method of flow characteristic curve of electronic gas-liquid ratio regulating valve for oil and gas recovery |
| CN103893891B (en) * | 2012-12-26 | 2016-03-02 | 北京谊安医疗系统股份有限公司 | A kind of method of calibration of respirator non-linear ratio valve |
| CN103807248B (en) * | 2014-02-14 | 2016-06-01 | 杰锋汽车动力系统股份有限公司 | Proportion magnetic valve multifunctional testing loop |
| CN104142377B (en) * | 2014-07-17 | 2016-03-23 | 上海冷杉精密仪器有限公司 | A kind of air-channel system of gas chromatograph of low cost |
| CN106323620B (en) * | 2016-09-08 | 2018-05-04 | 常熟理工学院 | Electric Proportion valve reuse detection device |
| CN108254169A (en) * | 2017-12-28 | 2018-07-06 | 珠海昊星自动化系统有限公司 | A kind of venturi air-valve automated testing method and system |
| CN109099455A (en) * | 2018-08-14 | 2018-12-28 | 万家乐热能科技有限公司 | A kind of gas ratio valve preset and method |
| CN109374289A (en) * | 2018-12-26 | 2019-02-22 | 江苏里斯特通用机械制造有限公司 | Throttle flow rate test device and its test method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052836U (en) * | 1989-05-27 | 1990-02-14 | 浙江大学 | Proportion electromagnet type single stage servo/proportion flow valve |
| CN2118192U (en) * | 1991-11-19 | 1992-10-07 | 阮健 | Fluid four-way ratio flow valve |
| CN2692444Y (en) * | 2004-01-03 | 2005-04-13 | 浙江春晖智能控制股份有限公司 | Flow direction control valve |
-
2006
- 2006-10-31 CN CNB200610154454XA patent/CN100480665C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052836U (en) * | 1989-05-27 | 1990-02-14 | 浙江大学 | Proportion electromagnet type single stage servo/proportion flow valve |
| CN2118192U (en) * | 1991-11-19 | 1992-10-07 | 阮健 | Fluid four-way ratio flow valve |
| CN2692444Y (en) * | 2004-01-03 | 2005-04-13 | 浙江春晖智能控制股份有限公司 | Flow direction control valve |
Non-Patent Citations (4)
| Title |
|---|
| 气压比例方向阀非线性特性的校正. 詹长书，杨庆俊，李军，王祖温.液压与气动，第2004年第6期. 2004 |
| 气压比例方向阀非线性特性的校正. 詹长书，杨庆俊，李军，王祖温.液压与气动，第2004年第6期. 2004 * |
| 电磁比例节流阀稳态特性仿真分析. 李强，徐宝云，王文瑞.计算机仿真，第22卷第10期. 2005 |
| 电磁比例节流阀稳态特性仿真分析. 李强，徐宝云，王文瑞.计算机仿真，第22卷第10期. 2005 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1948938A (en) | 2007-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100480665C (en) | Testing method of flow ratio valve feature curve | |
| CN201034829Y (en) | Flow quantity proportion valve characteristic curves test platform | |
| CN202381234U (en) | Electrically controlled fuel injector tester | |
| CN102410961B (en) | Gas cylinder detection system | |
| CN104454493B (en) | Water pump testing system and method | |
| CN102749190A (en) | Testing method of flow characteristic curve of electronic gas-liquid ratio regulating valve for oil and gas recovery | |
| CN104061150A (en) | Water pump comprehensive automatic test system | |
| CN201876393U (en) | Hydraulic fatigue test system for engine body | |
| CN108362569A (en) | Portable rock mass determiner for compression strength | |
| CN203405324U (en) | automatic open and close valve pressure test apparatus for cell safety valve | |
| CN201034828Y (en) | Flow quantity proportion valve frequency plot testing device | |
| CN1330953C (en) | Method for testing solenoid valve flow and pressure adjustment characteristic curve | |
| CN202661262U (en) | Flow rate characteristic curve testing platform of electronic gas-liquid ratio regulating valve for oil gas recovery | |
| CN202393654U (en) | Novel multipurpose bursting test bench | |
| CN109538461A (en) | A kind of parallel water pump experiment station Intelligentized test system | |
| CN205483402U (en) | Electronic gas pressure medium and vacuum reversal load test machine | |
| CN202836939U (en) | Pressure-regulating valve pressure detection apparatus | |
| CN114838014A (en) | Simulation detection device for fuel cell gas supply system | |
| CN202204685U (en) | Dynamic performance test system for ABS (anti-lock brake system) regulator | |
| CN207647901U (en) | A kind of proportioning valve is performance test bed | |
| CN211013484U (en) | Pneumatic regulating valve testing device | |
| CN208311957U (en) | A kind of micrometeor intelligence test manifold apparatus | |
| CN208171758U (en) | Portable rock mass determiner for compression strength | |
| CN110823557A (en) | Device and method for testing performance of exhaust gas control valve | |
| CN209055321U (en) | Pressure reducer device for detecting performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |