CN203979007U - A kind of proportional electromagnetic valve Flow characteristics testing apparatus - Google Patents
A kind of proportional electromagnetic valve Flow characteristics testing apparatus Download PDFInfo
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- CN203979007U CN203979007U CN201420286944.5U CN201420286944U CN203979007U CN 203979007 U CN203979007 U CN 203979007U CN 201420286944 U CN201420286944 U CN 201420286944U CN 203979007 U CN203979007 U CN 203979007U
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- solenoid valve
- testing apparatus
- positioning seat
- proportional electromagnetic
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Abstract
The utility model provides a kind of proportional electromagnetic valve Flow characteristics testing apparatus that is applied to proportional electromagnetic valve technical field, oil inlet hole (13) on the positioning seat of described testing apparatus (7) is communicated with oil sources (2) by connecting pipeline (19), oil inlet hole (13) extends in solenoid valve clamping port (18), spill port (12) one end is communicated with solenoid valve clamping port (18), spill port (13) the other end is communicated with oil sources (2), testing apparatus also comprises can send to solenoid valve to be measured (10) driver (8) of PWM waveform signal, flow transducer (4) is set on connecting pipeline (19), flow transducer (4) is connected with computer (20), characteristic test device of the present utility model, data on flows and the driver according to flow transducer, measured send PWM waveform signal, can form on computers rating curve, realize and carry out quickly and easily the test of proportional electromagnetic valve Flow characteristics.
Description
Technical field
The utility model belongs to proportional electromagnetic valve technical field, more particularly, relates to a kind of proportional electromagnetic valve Flow characteristics testing apparatus.
Background technique
Proportional electromagnetic valve is at oil, hydraulic pressure, and the application in the fields such as automobile is increasingly extensive, is usually used in high-precision control system.Proportional valve kind is numerous, proportional flow control valve be relatively commonly use a kind of.In actual applications, proportional flow magnetic valve performance is good and bad, and for the control accuracy of control system, stiffness of system is very crucial.Its performance represents with the form of flow curve conventionally.It is very crucial that the flow testing system of Proportional valve just seems.In prior art, the test of proportion electro-magnet Flow characteristics is progressively converted into full-automatic testing by semiautomatic plant, but existing apparatus designs in irrational situation at testing apparatus, usually cause device Shortcomings on test philosophy and testing precision, Flow characteristics test that also cannot compatible multiple Proportional valve.
Model utility content
Technical problem to be solved in the utility model is: provide a kind of simple in structure, according to data on flows and the driver of measuring gained, send PWM waveform signal, form on computers rating curve, thereby realize the proportional electromagnetic valve Flow characteristics testing apparatus that carries out quickly and easily the test of proportional electromagnetic valve Flow characteristics.
Solve above-described technical problem, the technological scheme that the utility model is taked is:
The utility model is a kind of proportional electromagnetic valve Flow characteristics testing apparatus, described testing apparatus comprises positioning seat, solenoid valve clamping port is set on positioning seat, oil inlet hole on positioning seat is communicated with oil sources by connecting pipeline, oil inlet hole extends in solenoid valve clamping port, spill port one end is communicated with solenoid valve clamping port, the spill port the other end is communicated with oil sources, testing apparatus also comprises can be to the driver that is installed on solenoid valve to be measured in solenoid valve clamping port and sends PWM waveform signal, flow transducer is set on connecting pipeline, flow transducer is connected with the computer that can form rating curve.
The PWM waveform signal that described solenoid valve to be measured is set to send by driver is controlled the structure of solenoid valve uninterrupted to be measured, and the pressure regulator valve that regulates the oil liquid pressure size in connecting pipeline is set on described oil sources and the connecting pipeline between positioning seat.
Described testing apparatus also comprises pressure transducer chunk, pressure transducer chunk is set to the structure between pressure regulator valve and positioning seat, multiple tracks pressure transducer oil duct is set in pressure transducer chunk, multiple tracks pressure transducer oil duct two ends are communicated with the connecting pipeline near pressure regulator valve side and positioning seat side respectively, arrange respectively one and can carry out to the fluid in pressure transducer oil duct the pressure transducer of pressure monitoring on each pressure transducer oil duct.
Described testing apparatus also comprises solenoid valve positioning element, solenoid valve positioning element is arranged on positioning seat upper surface position, described solenoid valve positioning element comprises cylinder body, telescoping rod, the solenoid valve positioning element controlling component flexible with controlling telescoping rod is connected, the termination, one end that telescoping rod extends cylinder body arranges location pressure head, between location pressure head and telescoping rod, be arranged vertically, when described telescoping rod shrinks, location pressure head on telescoping rod is set to the solenoid valve bracket of solenoid valve to be measured can be pressed on the structure on the positioning seat side surface of positioning seat.
Described testing apparatus also comprises the temperature controller that can control oil sources temperature height, can filter the filter of the impurity in fluid, and temperature controller is communicated with oil sources, and filter is arranged on the connecting pipeline between oil sources and flow transducer.
Adopt the technical solution of the utility model, can obtain following beneficial effect:
1. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, simple in structure, data on flows and the driver of according to flow transducer, measuring gained send PWM waveform signal, can form on computers rating curve, thereby realize, carry out quickly and easily the test of proportional electromagnetic valve Flow characteristics;
2. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, compatibility is stronger, only needs for solenoid valve customization positioning seat to be measured, Flow characteristics test that can compatible dissimilar proportional electromagnetic valve;
3. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, drive circuit adopts pwm signal generator, the actual drive form of simulated engine ECU signal, assurance flux test result is accurately credible;
4. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, simple to operate during test, automaticity is high, during test, only tested valve need be inserted to valve seat, can start test, and reliable test result.
Accompanying drawing explanation
The expressed content of each accompanying drawing of this specification and the mark in figure are made to brief description below:
Fig. 1 is the structural representation of proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model;
Fig. 2 is the structural representation of the positioning seat of proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model;
Fig. 3 is the structural representation of the pressure transducer chunk of proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model;
Fluid circulation path schematic diagram when Fig. 4 is the solenoid valve energising work on proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model;
Fig. 5 is the fluid circulation path schematic diagram of the solenoid valve on proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model while not switching on work;
Reference character: 1, temperature controller; 2, oil sources; 3, filter; 4, flow transducer; 5, pressure regulator valve; 6, pressure transducer chunk; 7, positioning seat; 8, driver; 9, solenoid valve positioning element; 10, solenoid valve to be measured; 11; Location pressure head; 12, spill port; 13, oil inlet hole; 14, positioning seat side surface; 15, solenoid valve bracket; 16, pressure transducer; 17, pressure transducer oil duct; 18, solenoid valve clamping port; 19, connecting pipeline; 20, computer; 21, cylinder body; 22, telescoping rod; 23, controlling component; 24, work oilhole A; 25, work oilhole B.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail as the effect of the mutual alignment between the shape of each related member, structure, each several part and annexation, each several part and working principle etc.:
As shown in accompanying drawing 1-accompanying drawing 3, the utility model is a kind of proportional electromagnetic valve Flow characteristics testing apparatus, described testing apparatus comprises positioning seat 7, solenoid valve clamping port 18 is set on positioning seat 7, oil inlet hole 13 on positioning seat 7 is communicated with oil sources 2 by connecting pipeline 19, oil inlet hole 13 extends in solenoid valve clamping port 18, spill port 12 one end are communicated with solenoid valve clamping port 18, spill port 13 the other ends are communicated with oil sources 2, testing apparatus also comprises can be to the driver 8 that is installed on solenoid valve to be measured 10 in solenoid valve clamping port 18 and sends PWM waveform signal, flow transducer 4 is set on connecting pipeline 19, flow transducer 4 is connected with the computer 20 that can form rating curve.
Oil inlet hole 13 both sides arrange respectively work oilhole A24, work oilhole B25, and solenoid valve 10 to be measured is proportional flow control valve.As shown in Figure 4, during solenoid valve energising to be measured, the circulation path of fluid is: oil inlet hole-solenoid valve-work oilhole B-work oilhole A-to be measured solenoid valve-oil outlet to be measured.As shown in Figure 5, when solenoid valve to be measured is not switched on, the circulation path of fluid is: oil inlet hole-solenoid valve-work oilhole A-work oilhole B-to be measured solenoid valve-oil outlet to be measured.
After solenoid valve 10 energisings to be measured, along with electrical current increases or reduces, the measured data of flow transducer 4 increase thereupon or reduce, and these data are the real-time working flow of solenoid valve 10 to be measured.
The PWM waveform signal that described solenoid valve to be measured 10 is set to send by driver 8 is controlled the structure of solenoid valve 10 uninterrupteds to be measured, and the pressure regulator valve 5 that regulates the oil liquid pressure size in connecting pipeline 19 is set on described oil sources 2 and the connecting pipeline 19 between positioning seat 7.Driver 8 sends PWM waveform signal and controls solenoid valve to be measured, like this, the data on flows of measuring at flow transducer and driver 8 send between PWM waveform signal sets up corresponding relation, thereby be convenient to send PWM waveform signal according to data on flows and the driver of flow transducer measurement gained, form on computers rating curve, complete flow performance test.
Described testing apparatus also comprises pressure transducer chunk 6, pressure transducer chunk 6 is set to the structure between pressure regulator valve 5 and positioning seat 7, the interior multiple tracks pressure transducer oil duct 17 that arranges of pressure transducer chunk 6, multiple tracks pressure transducer oil duct 17 two ends are communicated with the connecting pipeline 19 near pressure regulator valve 5 sides and positioning seat 7 sides respectively, arrange respectively one and can carry out to the fluid in pressure transducer oil duct 17 pressure transducer 16 of pressure monitoring on each pressure transducer oil duct 17.
Described testing apparatus also comprises solenoid valve positioning element 9, solenoid valve positioning element 9 is arranged on positioning seat 7 upper surface positions, described solenoid valve positioning element 9 comprises cylinder body 21, telescoping rod 22, solenoid valve positioning element 9 controlling component 23 flexible with controlling telescoping rod 22 is connected, the termination, one end that telescoping rod 22 extends cylinder body 21 arranges location pressure head 11, between location pressure head 11 and telescoping rod 22, be arranged vertically, when telescoping rod 22 shrinks, location pressure head 11 on telescoping rod 22 is set to the solenoid valve bracket of solenoid valve 10 to be measured 15 can be pressed on the structure on the positioning seat side surface 14 of positioning seat 7.
Before testing, first solenoid valve to be measured is inserted in the solenoid valve clamping port on positioning seat, at this moment the solenoid valve bracket 15 of solenoid valve to be measured is fitted in positioning seat side surface, then by controlling component control cylinder body, telescoping rod shrinks, location pressure head 11 on telescoping rod 22 can be pressed on the solenoid valve bracket of solenoid valve 10 to be measured 15 on the positioning seat side surface 14 of positioning seat 7, realizes solenoid valve to be measured and fixes.
Described testing apparatus also comprises the temperature controller 1 that can control oil sources 2 temperature height, can filter the filter 3 of the impurity in fluid, and temperature controller 1 is communicated with oil sources 2, and filter 3 is arranged on the connecting pipeline 19 between oil sources 2 and flow transducer 4.Oil liquid temperature is regulated by temperature controller 1.
Working principle and the working procedure of proportional electromagnetic valve flow testing device of the present utility model are as follows:
Before test traffic, solenoid valve to be measured inserts in the solenoid valve clamping port on positioning seat, solenoid valve positioning element 9 is pressed on the solenoid valve bracket of solenoid valve 10 to be measured 15 on the positioning seat side surface 14 of positioning seat 7, realizing solenoid valve to be measured fixes, by pressure regulator valve, regulate the oil liquid pressure in connecting pipeline again, oil liquid pressure is set as to a fixed value, then driver 8 sends PWM waveform signal and controls solenoid valve to be measured, dutycycle is incremented to 100% from 0%, incremental spacing is in the process that increases progressively of 5%.PWM signal, the flow measured signal of flow transducer 4 sends to computer, through computer for analysis, according to flow transducer, measure the data on flows of variation and the PWM waveform signal of the variation that driver sends of gained, form on computers a rating curve.So far complete flux test one time.If needed, can oil liquid pressure be set as to another fixed value by pressure regulator valve, repeat above-mentioned steps, can carry out another Flow characteristics test, and Formation and characteristics curve.
Adopt the technical solution of the utility model, can obtain following beneficial effect:
1. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, simple in structure, data on flows and the driver of according to flow transducer, measuring gained send PWM waveform signal, can form on computers rating curve, thereby realize, carry out quickly and easily the test of proportional electromagnetic valve Flow characteristics;
2. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, compatibility is stronger, only needs for solenoid valve customization positioning seat to be measured, Flow characteristics test that can compatible dissimilar proportional electromagnetic valve;
3. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, drive circuit adopts pwm signal generator, the actual drive form of simulated engine ECU signal, assurance flux test result is accurately credible;
4. proportional electromagnetic valve Flow characteristics testing apparatus described in the utility model, simple to operate during test, automaticity is high, during test, only tested valve need be inserted to valve seat, can start test, and reliable test result.
By reference to the accompanying drawings the utility model has been carried out to exemplary description above; obviously the concrete realization of the utility model is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present utility model and technological scheme to carry out; or without improving, design of the present utility model and technological scheme are directly applied to other occasions, all in protection domain of the present utility model.
Claims (5)
1. a proportional electromagnetic valve Flow characteristics testing apparatus, it is characterized in that: described testing apparatus comprises positioning seat (7), solenoid valve clamping port (18) is set on positioning seat (7), oil inlet hole (13) on positioning seat (7) is communicated with oil sources (2) by connecting pipeline (19), oil inlet hole (13) extends in solenoid valve clamping port (18), spill port (12) one end is communicated with solenoid valve clamping port (18), spill port (13) the other end is communicated with oil sources (2), testing apparatus also comprises can be to the driver (8) that is installed on solenoid valve to be measured (10) in solenoid valve clamping port (18) and sends PWM waveform signal, flow transducer (4) is set on connecting pipeline (19), flow transducer (4) is connected with the computer (20) that can form rating curve.
2. proportional electromagnetic valve Flow characteristics testing apparatus according to claim 1, it is characterized in that: the PWM waveform signal that described solenoid valve to be measured (10) is set to send by driver (8) is controlled the structure of solenoid valve to be measured (10) uninterrupted, the pressure regulator valve (5) that regulates the oil liquid pressure size in connecting pipeline (19) is set on the connecting pipeline (19) between described oil sources (2) and positioning seat (7).
3. proportional electromagnetic valve Flow characteristics testing apparatus according to claim 2, it is characterized in that: described testing apparatus also comprises pressure transducer chunk (6), pressure transducer chunk (6) is set to be positioned at the structure between pressure regulator valve (5) and positioning seat (7), multiple tracks pressure transducer oil duct (17) is set in pressure transducer chunk (6), multiple tracks pressure transducer oil duct (17) two ends are communicated with the connecting pipeline (19) near pressure regulator valve (5) side and positioning seat (7) side respectively, on each pressure transducer oil duct (17), arrange respectively one and can carry out to the fluid in pressure transducer oil duct (17) pressure transducer (16) of pressure monitoring.
4. according to the proportional electromagnetic valve Flow characteristics testing apparatus described in claim 2 or 3, it is characterized in that: described testing apparatus also comprises solenoid valve positioning element (9), solenoid valve positioning element (9) is arranged on positioning seat (7) upper surface position, described solenoid valve positioning element (9) comprises cylinder body (21), telescoping rod (22), solenoid valve positioning element (9) controlling component (23) flexible with controlling telescoping rod (22) is connected, the termination, one end that telescoping rod (22) extends cylinder body (21) arranges location pressure head (11), between location pressure head (11) and telescoping rod (22), be arranged vertically, when described telescoping rod (22) shrinks, location pressure head (11) on telescoping rod (22) is set to the solenoid valve bracket of solenoid valve to be measured (10) (15) can be pressed on the structure on the positioning seat side surface (14) of positioning seat (7).
5. proportional electromagnetic valve Flow characteristics testing apparatus according to claim 4, it is characterized in that: described testing apparatus also comprises the temperature controller (1) that can control oil sources (2) temperature height, can filter the filter (3) of the impurity in fluid, temperature controller (1) is communicated with oil sources (2), and filter (3) is arranged on the connecting pipeline (19) between oil sources (2) and flow transducer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286944.5U CN203979007U (en) | 2014-05-30 | 2014-05-30 | A kind of proportional electromagnetic valve Flow characteristics testing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286944.5U CN203979007U (en) | 2014-05-30 | 2014-05-30 | A kind of proportional electromagnetic valve Flow characteristics testing apparatus |
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| Publication Number | Publication Date |
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| CN203979007U true CN203979007U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420286944.5U Expired - Fee Related CN203979007U (en) | 2014-05-30 | 2014-05-30 | A kind of proportional electromagnetic valve Flow characteristics testing apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351596A (en) * | 2015-12-07 | 2016-02-24 | 沈阳工业大学 | Compound control method for proportional electromagnetic valve |
| CN105971975A (en) * | 2016-05-18 | 2016-09-28 | 浙江大学 | Valve core liquid power test system and test method for large flow load control valve |
| CN107575436A (en) * | 2017-10-31 | 2018-01-12 | 安徽江淮汽车集团股份有限公司 | A kind of more split arrangement for testing electro magnetic valve |
| CN107606284A (en) * | 2017-07-27 | 2018-01-19 | 四川安特尼斯自控科技有限公司 | The regulating valve for controlling to adjust the method for valve using PWM and being controlled based on PWM |
| CN107869492A (en) * | 2017-11-24 | 2018-04-03 | 中山市铧禧电子科技有限公司 | A kind of proportioning valve is performance test bed |
| CN109443746A (en) * | 2018-11-06 | 2019-03-08 | 江苏太平洋精锻科技股份有限公司 | A kind of PWM solenoid valve durability test device |
| CN110094386A (en) * | 2019-05-06 | 2019-08-06 | 新乡市新倍增自动化设备有限公司 | A kind of proportioning valve test macro and test method |
| WO2021104423A1 (en) * | 2019-11-28 | 2021-06-03 | 浙江亚太机电股份有限公司 | Development test method for high-speed switch valve of automobile brake system |
-
2014
- 2014-05-30 CN CN201420286944.5U patent/CN203979007U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351596A (en) * | 2015-12-07 | 2016-02-24 | 沈阳工业大学 | Compound control method for proportional electromagnetic valve |
| CN105971975A (en) * | 2016-05-18 | 2016-09-28 | 浙江大学 | Valve core liquid power test system and test method for large flow load control valve |
| CN107606284A (en) * | 2017-07-27 | 2018-01-19 | 四川安特尼斯自控科技有限公司 | The regulating valve for controlling to adjust the method for valve using PWM and being controlled based on PWM |
| CN107575436A (en) * | 2017-10-31 | 2018-01-12 | 安徽江淮汽车集团股份有限公司 | A kind of more split arrangement for testing electro magnetic valve |
| CN107575436B (en) * | 2017-10-31 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of more seperated arrangement for testing electro magnetic valve |
| CN107869492A (en) * | 2017-11-24 | 2018-04-03 | 中山市铧禧电子科技有限公司 | A kind of proportioning valve is performance test bed |
| CN109443746A (en) * | 2018-11-06 | 2019-03-08 | 江苏太平洋精锻科技股份有限公司 | A kind of PWM solenoid valve durability test device |
| CN110094386A (en) * | 2019-05-06 | 2019-08-06 | 新乡市新倍增自动化设备有限公司 | A kind of proportioning valve test macro and test method |
| WO2021104423A1 (en) * | 2019-11-28 | 2021-06-03 | 浙江亚太机电股份有限公司 | Development test method for high-speed switch valve of automobile brake system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20210530 |