CN205228812U - Proportional valve capability test device - Google Patents
Proportional valve capability test device Download PDFInfo
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- CN205228812U CN205228812U CN201521070754.0U CN201521070754U CN205228812U CN 205228812 U CN205228812 U CN 205228812U CN 201521070754 U CN201521070754 U CN 201521070754U CN 205228812 U CN205228812 U CN 205228812U
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Abstract
The utility model provides a proportional valve capability test device, including the air supply, the air supply is connected with first pipeline and second pipeline, install first relief pressure valve, manometer, solenoid valve, second relief pressure valve, a pressure sensor, valve body work piece, the 2nd pressure sensor and nozzle on the first pipeline, install the cylinder on the second pipeline, step motor and the linkage of second relief pressure valve, power able to programme is valve body work piece provide voltage, control system includes industrial computer, programmable controller, solenoid valve, a pressure sensor, current amplifier and the 2nd pressure sensor, the output and the programmable controller of industrial computer are connected, and its input is connected with one, two pressure sensor, programmable controller is connected with the solenoid valve, programmable controller and step motor are connected, programmable controller and current amplifier are connected. Real time pressure control has been realized to this device, has accomplished quick, accurate, intelligent test.
Description
Technical field
The utility model relates to proportioning valve technical field, is specifically related to a kind of proportioning valve performance testing device.
Background technology
At present, in proportioning valve industry at home and abroad, generally adopt solenoid valve to carry out bang-bang control, also just by strong, in, weak three kinds of programs carry out stage control to tolerance.Wherein, the technique correspondence of liquid expansion type proportioning valve is poor and can not realize trace adjustment completely, thus there is the drawbacks such as energy consumption is large, control accuracy is low.New Type Proportional valve has that fine adjustments precision is high, energy-saving effect is remarkable, safe and reliable, convenient operation, low cost and other advantages, and its range of application expands gradually.But be no matter use which kind of proportioning valve, its performance is tested and monitored all seem particularly important.If employing manual test, workload is large, efficiency is low, labour cost is high, and can there is the large risk of test error.Proportioning valve test board refers to pre-programmed test procedure, completes automatic test, analyzing and processing, the system of display and Output rusults.
Utility model content
The utility model provides a kind of proportioning valve performance testing device in order to avoid the deficiencies in the prior art part, this performance testing device is according to the program preset, automatically the steps such as test, data analysis, result display and result output are completed, automatization level is high, improves work efficiency and testing precision.
According to proportioning valve performance testing device provided by the utility model, comprising: source of the gas, the first output terminal of described source of the gas is connected with the first pipeline, and the second output terminal of described source of the gas is connected with second pipe; On described first pipeline, the first reduction valve, tensimeter, solenoid valve, the second reduction valve, the first pressure transducer, valve body workpiece, the second pressure transducer and nozzle are installed along airflow direction successively; On described second pipe, be provided with cylinder along airflow direction, described cylinder is connected with the second input end of described valve body workpiece; Stepper motor, described stepper motor and described second reduction valve link; Programmable power supply, the output terminal of described programmable power supply is connected with the 3rd input end of described valve body workpiece, for described valve body workpiece provides voltage; Control system, described control system comprises industrial computer, Programmable Logic Controller, solenoid valve, the first pressure transducer, the second pressure transducer and current amplifier; The output terminal of described industrial computer is connected with the first input end of described Programmable Logic Controller; The first input end of described industrial computer is connected with the output terminal of described first pressure transducer, and its second input end is connected with the output terminal of described second pressure transducer; First output terminal of described Programmable Logic Controller is connected with the input end of described solenoid valve; Second output terminal of described Programmable Logic Controller is connected with the input end of described stepper motor; 3rd output terminal of described Programmable Logic Controller is connected with the input end of described current amplifier; The output terminal of described current amplifier is connected with the four-input terminal of described valve body workpiece.
Preferably, filtration pressure regulator valve is also comprised; Described filtration pressure regulator valve is arranged on described first pipeline, is positioned at before described first reduction valve.
Preferably, filtration pressure regulator valve is also comprised; Described filtration pressure regulator valve is arranged on described second pipe, is positioned at before described cylinder.
Preferably, filtration pressure regulator valve is also comprised; Described first reduction valve is all connected with the output terminal of described filtration pressure regulator valve with the input end of described cylinder.
Preferably, the input end of described programmable power supply is connected with the 4th output terminal of described Programmable Logic Controller.
Preferably, described cylinder is provided with fixture, described valve body trade union college is on described fixture.
Preferably, described source of the gas is pressurized air.
Technical scheme provided by the utility model can comprise following beneficial effect:
(1) adopt programmable controller PLC to control related electric components and parts and automatically complete valve body test, work efficiency is high; First high-pressure air source changes low-pressure gas source into through the first reduction valve, and pressure reduces greatly, prevents valve body workpiece damaged; Low-pressure gas source is through the second reduction valve subsequently, and the second reduction valve and stepper motor link, and output pressure carries out accurate adjustment by stepper motor, regulates degree of accuracy high, ensure that testing precision.If the pressure of Real-Time Monitoring is different from the pressure signal of demarcation, Driving Stepping Motor is controlled the aperture of the second reduction valve by control circuit, thus adjustment is through the airshed of valve body workpiece.This proving installation achieves closed-loop dynamic real-time pressure and controls, and has really accomplished efficient, quick, accurate, intelligentized test.
(2) proportioning valve performance testing device provided by the utility model, the every test data of its industry control function to valve body workpiece carries out automatic record, and is kept on the database of industrial computer, and testing efficiency is high, and conveniently checks and review.
(3) proportioning valve performance testing device provided by the utility model, its source of the gas is also connected with the filtration pressure regulator valve for filtering compressed air, the contaminant filter in pressurized air can be fallen, and can stablize bleed pressure to a certain extent.
Accompanying drawing explanation
The structural drawing of the proportioning valve performance testing device that Fig. 1 provides for the utility model embodiment;
The structural drawing of the proportioning valve performance testing device control system that Fig. 2 provides for the utility model embodiment;
Reference numeral: 1, source of the gas; 2, pressure regulator valve is filtered; 3, the first reduction valve; 4, tensimeter; 5, solenoid valve; 6, the second reduction valve; 7, the first pressure transducer; 8, valve body workpiece; 9, the second pressure transducer; 10, nozzle; 11, stepper motor; 12, industrial computer; 13, Programmable Logic Controller; 14, programmable power supply; 15, current amplifier; 16, cylinder; 17, fixture.
Accompanying drawing herein is also listed instructions in and forms the part of instructions, shows and meets embodiment of the present utility model, and is used from instructions one and explains principle of the present utility model.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
As shown in Figure 1, be the proportioning valve performance testing device that the utility model embodiment provides, comprise: source of the gas 1, the first output terminal of source of the gas 1 is connected with the first pipeline, and the second output terminal of source of the gas 1 is connected with second pipe; Along airflow direction, the first reduction valve 3, tensimeter 4, solenoid valve 5, second reduction valve 6, first pressure transducer 7, valve body workpiece 8, second pressure transducer 9 and nozzle 10 are installed on described first pipeline successively; On described second pipe, be provided with cylinder 16 along airflow direction, cylinder 16 is connected with the second input end of valve body workpiece 8; Stepper motor 11 and the second reduction valve 6 link; The output terminal of programmable power supply 14 is connected with the 3rd input end of valve body workpiece 8, for valve body workpiece 8 provides voltage; Control system, described control system comprises industrial computer 12, Programmable Logic Controller 13, solenoid valve 5, first pressure transducer 7, current amplifier 15 and the second pressure transducer 9; The output terminal of industrial computer 12 is connected with the first input end of Programmable Logic Controller 13; The first input end of industrial computer 12 is connected with the output terminal of the first pressure transducer 7, and its second input end is connected with the output terminal of the second pressure transducer 9; First output terminal of Programmable Logic Controller 13 is connected with the input end of solenoid valve 5; Second output terminal of Programmable Logic Controller 13 is connected with the input end of stepper motor 11; 3rd output terminal of Programmable Logic Controller 13 is connected with the input end of current amplifier 15; The output terminal of current amplifier 15 is connected with the four-input terminal of valve body workpiece 8.
Proportioning valve performance testing device provided by the utility model can also comprise filtration pressure regulator valve 2; Filter pressure regulator valve 2 to be arranged on described first pipeline, be positioned at before the first reduction valve 3.But the set-up mode filtering pressure regulator valve 2 is not limited to aforesaid way, can also take other suitable set-up modes.Comprise: filter pressure regulator valve 2 and be arranged on described second pipe, be positioned at before cylinder 16; Or filter pressure regulator valve 2 and be arranged on main pipeline, the first reduction valve 3 is all connected with the output terminal filtering pressure regulator valve 2 with the input end of cylinder 16.Filter pressure regulator valve 2 for filtering compressed air, the contaminant filter in pressurized air is fallen, and the effect of stable bleed pressure can be played.
Cylinder 16 is provided with fixture 17, valve body workpiece 8 is fixed on fixture 17.
Below, the set-up mode of programmable power supply 14 is further described.Programmable power supply 14 can independently be connected with valve body workpiece 8, manually operates, the basic service voltage of adjustment valve body workpiece 8.But programmable power supply 14 also can be set to be connected with Programmable Logic Controller 13.Industrial computer 12 presets required voltage, and passes through the service voltage of Programmable Logic Controller 13 application valve body workpiece 8, realize robotization, intellectuality, efficiently facilitate.
Preferably, source of the gas 1 can be pressurized air, also can be liquefied gas, rock gas or coal gas.
The principle of work of technical scheme provided by the utility model is as follows:
Industrial computer 12 has installed LabVIEW programming software, and the enterprising line command editor of industrial computer 12, the command transfer editted is to Programmable Logic Controller 13, and Programmable Logic Controller 13 controls each electric elements in control system according to the order preset.Program on industrial computer 12 is divided into 5 modules, is respectively: the preservation module of crypto module, initialization module, curve display module, data acquisition and processing module thereof, test data.
And for the selection of test procedure, can select in following four programs: test automatically, pressure test, the survey of pressure list, flow rate test.If selection autotest program, then first carry out pressure test, then carry out flow rate test.Pressure test program can arrange test pressure curve, valve body inlet minimal pressure force value, minimum pressure permissible variation, the parameters such as valve body inlet maximal pressure force value.Flow rate test program can arrange curent change starting point, break, terminal, valve body inlet steady pressure value, electric current alternation off time etc. parameter.Set parameter and after selecting test-types, opening device, can complete automatic test, analyzing and processing, structure display and result and export.Pre-set parameter on industrial computer 12, and to each setting parameter standard value, test data and standard value are contrasted, can judge that whether test value is correct.
The specific works flow process of proportioning valve performance testing device is as follows: when starting to test, and opens programmable power supply 14, provides basic operating voltage to valve body workpiece 8 by programmable power supply 14.Starter gear, Programmable Logic Controller 13 opens solenoid valve 5, and source of the gas 1 starts as whole proving installation supply gas.Meanwhile, gas is carried respectively along the first pipeline and second pipe.On the one hand, gas is through filtering pressure regulator valve 2, and impurity is wherein filtered, and reaches voltage stabilizing state; Then, the gas flow of voltage stabilizing reduces pressure through the first reduction valve 3, first reduction valve 3 pairs of gases, and make it change low-pressure gas into, by the reading of tensimeter 4, user can judge the output pressure of the first reduction valve 3.Subsequently, low-pressure gas flows through the second reduction valve 6, second reduction valve 6 pairs of output pressures and carries out accurate adjustment; Finally, the low-pressure gas after pressure is accurate flows through valve body workpiece 8, and discharges from nozzle 10.On the other hand, valve body workpiece 8, by cylinder 16, is fixed and is packed tightly shutoff by gas.
Simultaneously, control system performs Inspect and control work: as shown in Figure 2, the pressure that the second reduction valve 6 exports gas monitored by first pressure transducer 7, and this pressure feedback to industrial computer 12, industrial computer 12 contrasts the force value received and the standard value preset.If this force value exceeds default critical field, Programmable Logic Controller 13 can adjust the rotational frequency of stepper motor 11 and rotating speed according to the order preset.Because stepper motor 11 and the second reduction valve 6 link, thus the aperture of the second reduction valve 6 can make corresponding adjustment with the rotational frequency of stepper motor 11 and rotating speed, and being adjusted in default critical field, when the second reduction valve 6 is guaranteed to test, the pressure of whole device remains in certain scope.Second pressure transducer 9 then feeds back to industrial computer 12 the output pressure of valve body workpiece 8, and industrial computer 12 carries out record, and makes analyzing and export with result.On the other hand, Programmable Logic Controller 13 is according to pre-set commands, and to the corresponding instruction of current amplifier 15, current amplifier 15 produces the function of current of 0-300mA in valve body workpiece 8, with the outlet aperture of application valve body workpiece 8.
Proportioning valve performance testing device provided by the utility model, adopt Programmable Logic Controller 13 to control related electric components and parts and automatically complete valve body test, work efficiency is high; Adopt the output pressure of the second reduction valve 6 to the first reduction valve 3 to adjust, test data accuracy is good simultaneously.If real-time pressure is different from the pressure signal of demarcation, Driving Stepping Motor 11 is controlled the aperture of the second reduction valve 6 by control circuit, thus realizes the control of closed-loop dynamic real-time pressure, has really accomplished efficient, quick, accurate, intelligentized test.In addition, the family curve of this proving installation dynamic display valve body workpiece 8 and main number amount, according to product criterion, family curve is identified simultaneously, discovery exceeds standard and namely provides report, can forced termination test process, and all indexs can be revised at any time by actual conditions, after being completed, whether qualified judge, can preserve test result curve at that time and result, can simulate the sources of the gas such as liquefied gas, rock gas, coal gas and carry out testing and debugging to gas valve body workpiece 8.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (7)
1. proportioning valve performance testing device, is characterized in that, comprising:
Source of the gas, the first output terminal of described source of the gas is connected with the first pipeline, and the second output terminal of described source of the gas is connected with second pipe;
On described first pipeline, the first reduction valve, tensimeter, solenoid valve, the second reduction valve, the first pressure transducer, valve body workpiece, the second pressure transducer and nozzle are installed along airflow direction successively;
On described second pipe, be provided with cylinder along airflow direction, described cylinder is connected with the second input end of described valve body workpiece;
Stepper motor, described stepper motor and described second reduction valve link;
Programmable power supply, the output terminal of described programmable power supply is connected with the 3rd input end of described valve body workpiece, for described valve body workpiece provides voltage;
Control system, described control system comprises industrial computer, Programmable Logic Controller, solenoid valve, the first pressure transducer, the second pressure transducer and current amplifier;
The output terminal of described industrial computer is connected with the first input end of described Programmable Logic Controller; The first input end of described industrial computer is connected with the output terminal of described first pressure transducer, and its second input end is connected with the output terminal of described second pressure transducer;
First output terminal of described Programmable Logic Controller is connected with the input end of described solenoid valve;
Second output terminal of described Programmable Logic Controller is connected with the input end of described stepper motor;
3rd output terminal of described Programmable Logic Controller is connected with the input end of described current amplifier; The output terminal of described current amplifier is connected with the four-input terminal of described valve body workpiece.
2. proportioning valve performance testing device according to claim 1, is characterized in that, also comprises filtration pressure regulator valve; Described filtration pressure regulator valve is arranged on described first pipeline, is positioned at before described first reduction valve.
3. proportioning valve performance testing device according to claim 1, is characterized in that, also comprises filtration pressure regulator valve; Described filtration pressure regulator valve is arranged on described second pipe, is positioned at before described cylinder.
4. proportioning valve performance testing device according to claim 1, is characterized in that, also comprises filtration pressure regulator valve; Described first reduction valve is all connected with the output terminal of described filtration pressure regulator valve with the input end of described cylinder.
5. proportioning valve performance testing device according to claim 1, is characterized in that, the input end of described programmable power supply is connected with the 4th output terminal of described Programmable Logic Controller.
6. proportioning valve performance testing device according to claim 1, is characterized in that, described cylinder is provided with fixture, and described valve body trade union college is on described fixture.
7. proportioning valve performance testing device according to claim 1, is characterized in that, described source of the gas is pressurized air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521070754.0U CN205228812U (en) | 2015-12-17 | 2015-12-17 | Proportional valve capability test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521070754.0U CN205228812U (en) | 2015-12-17 | 2015-12-17 | Proportional valve capability test device |
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| CN205228812U true CN205228812U (en) | 2016-05-11 |
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| CN201521070754.0U Active CN205228812U (en) | 2015-12-17 | 2015-12-17 | Proportional valve capability test device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382277A (en) * | 2016-10-31 | 2017-02-08 | 湖南德信汽车科技有限公司 | Electromagnetic valve testing device and electromagnetic valve testing system |
| CN106768952A (en) * | 2016-12-27 | 2017-05-31 | 重庆智神科技有限公司 | Proportion magnetic valve motion test device with pressure |
| CN107782505A (en) * | 2017-11-24 | 2018-03-09 | 中山市铧禧电子科技有限公司 | A kind of proportioning valve device for detecting sealability |
| 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 |
| CN108827616A (en) * | 2018-07-10 | 2018-11-16 | 安徽新境界自动化技术有限公司 | A kind of performance detecting system and its detection method of air conditioning for automobiles regulating valve |
| CN109540500A (en) * | 2018-12-29 | 2019-03-29 | 意赛德（天津）自动化仪器有限公司 | A kind of electric Proportion valve detection device |
| CN110953220A (en) * | 2019-12-24 | 2020-04-03 | 一汽解放汽车有限公司 | Control valve oil hole testing device and method |
-
2015
- 2015-12-17 CN CN201521070754.0U patent/CN205228812U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382277A (en) * | 2016-10-31 | 2017-02-08 | 湖南德信汽车科技有限公司 | Electromagnetic valve testing device and electromagnetic valve testing system |
| CN106768952A (en) * | 2016-12-27 | 2017-05-31 | 重庆智神科技有限公司 | Proportion magnetic valve motion test device with pressure |
| CN107782505A (en) * | 2017-11-24 | 2018-03-09 | 中山市铧禧电子科技有限公司 | A kind of proportioning valve device for detecting sealability |
| 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 |
| CN108827616A (en) * | 2018-07-10 | 2018-11-16 | 安徽新境界自动化技术有限公司 | A kind of performance detecting system and its detection method of air conditioning for automobiles regulating valve |
| CN109540500A (en) * | 2018-12-29 | 2019-03-29 | 意赛德（天津）自动化仪器有限公司 | A kind of electric Proportion valve detection device |
| CN110953220A (en) * | 2019-12-24 | 2020-04-03 | 一汽解放汽车有限公司 | Control valve oil hole testing device and method |
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| Date | Code | Title | Description |
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| CP03 | Change of name, title or address |
Address after: 510000 Room 106, Building 728 Kaichuang Avenue, Huangpu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Appleton Automation System Co., Ltd. Address before: 510000 Room 102, G Block, Jingye Fourth Street, Yushu Industrial Park, Luogang District, Guangzhou City, Guangdong Province Patentee before: Upton Technology Co., Limited |