CN202149838U - Solenoid valve on-line detection bench - Google Patents
Solenoid valve on-line detection bench Download PDFInfo
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- CN202149838U CN202149838U CN201120254430U CN201120254430U CN202149838U CN 202149838 U CN202149838 U CN 202149838U CN 201120254430 U CN201120254430 U CN 201120254430U CN 201120254430 U CN201120254430 U CN 201120254430U CN 202149838 U CN202149838 U CN 202149838U
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- solenoid valve
- pressure
- valve
- air
- control module
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Abstract
The utility model discloses a solenoid valve on-line detection bench, comprising an air inflow assembly, a clamp, a signal acquisition module and a flow control module, wherein the air inflow assembly comprises an air pressure adjusting and control module for controlling air inflow pressure and a pressure maintaining assembly, one end of the air inflow assembly is communicated with an external air source, the other end of the air inflow assembly is communicated with an air inlet of a detected solenoid valve, the signal acquisition module is used for conducting time-sharing acquisition on air pressure signals, and the flow control module determines airtightness situations of the detected valve by processing data signals acquired by the signal acquisition module. The detection bench adopts a pressure sensor, and conducts dry type leak detection by adopting the pressure maintaining mode. The pressure sensor is connected with the acquisition module, air pressure values at different slots are acquired, and then software determines whether the solenoid valve is leaked according to quantitative analysis. Only one air passage control valve and one pressure sensor are needed, and no standard component or differential pressure sensor are needed. With simple air passages and low cost, the detection bench can rapidly and conveniently detect that whether a detected valve is leaked.
Description
Technical field:
The utility model relates to a kind of checkout equipment, particularly a kind of online monitor station of solenoid valve that adopts the control algolithm of advanced dry type leak detection pattern and effectively optimizing.
Background technology:
The wet type leak detecting is adopted to solenoid valve in the traditional mode of production workshop, the fragile equipment to be detected of this kind detection mode, and operation is complicated, and can not quantize leakage rate.And existing dry type leak test plant mostly adopts flowmeter or differential pressure pick-up to hunt leak.The flowmeter cost is higher, and it is complicated that the mode of differential pressure collection need be used gas circuits such as standard component, sensor, differential pressure transmitter, and cost is higher, and inconvenience is extensively promoted the use of.
The utility model content:
In view of above-mentioned technical matters, the utility model provides a kind of solenoid valve online monitor station, and this equipment working pressure sensor adopts the mode of pressurize to realize Devices to test is carried out the dry type leak detection.Pressure transducer is connected with acquisition module, and through gathering the atmospheric pressure value of different time sections, the software quantitative analysis confirms whether Devices to test leaks.This mode only needs a gas path control valve and a pressure transducer, does not need standard component, differential pressure pick-up etc., and gas circuit is simple, and is with low cost, can hunt leak to measured piece quickly and easily.
In addition, the clamp structure in the utility model equipment can be realized the automatic test of solenoid valve manual buttons to be measured, make treat side valve numerous test steps can a flow process all test put in place, thereby really realize one-touch, full-automatic operation.The utility model equipment also is furnished with touch screen human-computer interface, the real-time in-line testing process; Also will use the mode of operation push-button always, be configured to the right-hand of the most cheap user's operation, really realize human oriented design with key box.
The concrete technical scheme of the utility model is following:
The online monitor station of solenoid valve comprises air intake assembly, anchor clamps, signal acquisition module and process control module;
Said air intake assembly comprises air pressure adjustment and control module and the pressurize assembly that is used to control admission pressure, and said air intake assembly one end is communicated with extraneous source of the gas, and the other end is communicated with the air intake opening of tested solenoid valve;
Said anchor clamps are connected with the operate outside source of the gas with pressure regulator valve through two five-way valves;
Said signal acquisition module comprises digital data acquisition module and analogue collection module, and said analogue collection module is used for the air pressure signal of the same measured point of acquisition time; Said digital data acquisition module provides key information to process control module;
Said process control module is judged tested valve impermeability situation through the data-signal of treatment of simulated amount acquisition module acquisition time.
In the such scheme, said air pressure adjustment and control module comprise pressure regulator valve and operation valve group, and can select provides high pressure or operating on low voltage source of the gas to tested solenoid valve.
In the such scheme, said pressurize assembly one end is connected with the control module outlet with air pressure adjustment, and to obtain high pressure or operating on low voltage source of the gas, the other end is sealed in tested solenoid valve gas circuit in the pressure dwelling loop through anchor clamps.
In the such scheme, said anchor clamps comprise first driver module, last fixture block, second driver module, automatic control finger, following fixture block and inlet suction port; Said first driver module is two-way cylinder; Said for tested solenoid valve is reliably compressed, last fixture block can further include the solenoid valve seal with following fixture block, installs balancing bolt additional between last fixture block and support; Said second driver module is fixed on the fixture block, controls tested solenoid valve valve events then through the tested solenoid valve manual buttons of automatic control finger control; Said going up on the fixture block mills out fixed guide, and said second driver module can slide on guide rail; Said clamps is on the monitor station table top.
In the such scheme, said process control module comprises man-machine interaction assembly, control input module and main control module; Said man-machine interaction assembly is fixed on the stage body panel, is touch-screen; Said control input module is fixed on the table top lower right for the key box of button commonly used; It is inner that said main control module is fixed on the control stage body.
The advantage of the utility model equipment is following:
1, the utility model adopts the advanced dry type leak detection pattern and the control algolithm of effectively optimizing, can accurately detect leakage situation in the short period of time, compares with traditional wet leak detection pattern, and the leak detection efficient of similar leakage standard can improve 3～5 times.Reduced the wet type leak detection simultaneously to product appearance, Effect on Performance.
2, the leak detection standard is quantized, and precisely subdivided, to satisfy the different detection demand of dispatching from the factory of client.
3, existing dry type leak test plant cost is low, and reliability is high.
4, applied widely: as to be applicable to multiple type of multi-series solenoid valve test such as two five-ways, two-bit triplet, 3 position-5 way.
5, higher automaticity: operating in a key, the full-automatic detection, system's displaying contents is visual and understandable, and man-machine interaction mode is simple, convenient, and is less demanding to the operator.
Description of drawings:
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the theory diagram of the utility model equipment.
Fig. 2 a is the utility model equipment profile front view.
Fig. 2 b is the utility model equipment profile side view.
Fig. 2 c is the utility model equipment profile vertical view.
Fig. 3 a is an anchor clamps front view in the utility model equipment.
Fig. 3 b is a chuck side view in the utility model equipment.
Fig. 4 is the main process flow diagram of the operation of the utility model equipment.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, the online monitor station of the described solenoid valve of the utility model comprises air intake assembly, anchor clamps, signal acquisition module and process control module.
Air intake assembly comprises the air pressure adjustment and control module and the pressurize assembly that are used to control admission pressure, and the one of which end is used to be communicated with extraneous source of the gas, and the other end is used to be communicated with the air intake opening of treating side valve.
The preferred version of air pressure adjustment and control module is, comprises pressure regulator valve and operation valve group, is used for selecting to tested valve high pressure or operating on low voltage source of the gas to be provided.
The pressurize assembly, an end is connected with the control module outlet with air pressure adjustment, and to obtain high pressure or operating on low voltage source of the gas, an end is sealed in the tested valve gas circuit in the pressure dwelling loop through anchor clamps.
Anchor clamps comprise first driver module, last fixture block, second driver module, automatic control finger, following fixture block and inlet suction port; Said first driver module is two-way cylinder; Said for tested solenoid valve is reliably compressed, last fixture block can further include the solenoid valve seal with following fixture block, installs balancing bolt additional between last fixture block and support; Said second driver module is fixed on the fixture block, controls tested solenoid valve action then through the tested solenoid valve manual buttons of automatic control finger control; Said going up on the fixture block mills out fixed guide, and said second driver module can slide on guide rail.Whole anchor clamps are connected with the operate outside source of the gas with pressure regulator valve through two five-way valves.
Signal acquisition module comprises digital data acquisition module and analogue collection module, and analogue collection module is transferred to process control module through the air pressure signal of the same measured point of pressure transducer acquisition time with these pressure signals.The digital data acquisition module provides key information to process control module.
Process control module is used for the collection and the action control of the information that realizes, and handles man-machine interaction, comprising: man-machine interaction assembly, control input module, main control module.Wherein, said man-machine interaction assembly is fixed on the stage body panel, is touch-screen; Said control input module is fixed on the table top lower right for the key box of button commonly used; Said main control module is fixed on stage body inside, through the data-signal of software processes analogue collection module acquisition time, judges tested valve impermeability situation.
In addition, process control module also is responsible for to field apparatus power supply and action control signal being provided.
The principle of work of the utility model is: tested solenoid valve is fixed on anchor clamps up and down between the fixture block; The inlet suction port of fixture block linked to each other with control and pressurize gas circuit under its air admission hole passed through, and acquisition module is gathered the air pressure signal during tested valve action and the pressurize leak detection, main control module employing height optimization control algolithm; The data of the different time sections that the software processes acquisition module collects; Thereby, the quantifiable quality that provides the tested valve sealing property, and the judgement that whether puts in place of tested valve action.Touch-screen has parameter function is set, and the user can be according to oneself demand to the leak detection standard, action frequency, and testing processes etc. are provided with, and parameter is provided with supports power down to preserve.
As shown in Figure 2, the utility model equipment by the test board body that comprises touch-screen 201, be placed in a pair of anchor clamps 202 on the test board table top and be placed in the bottom-right key box 203 of table top and form.
Wherein, touch-screen 201 is fixed on stage body panel central authorities, real-time and controlled on-line testing flow process.During the motion test, real-time online motion test state, low pressure action, high pressure action or manual action, and testing time; The leak detection test period shows the pressure value of pressure dwelling loop in real time; During defective the or system failure of tested valve, the sound and light alarm prompting, and show detailed failure cause.
In addition, be fixed on the key box of being convenient to operate in the table top lower right 203, comprise beginning commonly used, stop, clamping, unclamp, high pressure, low pressure button, these buttons are corresponding fully with the key icon function on the touch-screen 201, thus operation easy to use.
As shown in Figure 3, the anchor clamps in the utility model equipment comprise first driver module 301, second driver module 302, automatic control finger 303, go up fixture block 304, balancing bolt 305, fixture block 306, support 307, pillar 308, anchor clamps upper bracket 309, anchor clamps lower shoe 310 and inlet suction port 311 down.
Wherein, Following fixture block 306 is fixed on the anchor clamps lower shoe 310 motionless; Last fixture block 304 is fixed on first driver module 301, and first driver module 301 promotes to go up fixture block 304 and moves vertically downward, and last fixture block 304 compresses sealing with following fixture block 306 cooperations with tested solenoid valve.301 pullings of first driver module are gone up fixture block 304 and are moved vertically upward, and tested solenoid valve is unclamped.Thereby compress the sealing tested valve more reliably in order to guarantee that fixture block 304 does not rotate, two parallel balancing bolt 305 are installed between last fixture block 304 and support 307.In addition, for anchor clamps in the process that guarantees fixture block 304 vertical up-or-down movements in 301 push-and-pulls of first driver module can be firm, anchor clamps also add pillar 308 except support 307, upper bracket 309, lower shoe 310.Air intake assembly comprises inlet suction port 311, air pressure adjustment and control module (not marking among the figure), pressurize assembly (not marking among the figure).Air pressure adjustment and control module provide the demand operating air pressure; Inlet suction port 311 is fixed on down on the fixture block 306; Be used to be communicated with air intake assembly and tested solenoid valve, thereby the break-make of the gas path control valve of pressurize assembly control gas circuit is carried out the pressurize leak detection and is tested with dying to be used for qi of chong channel ascending adversely.Automatic control is pointed 303 and is fixed on second driver module 302, and second driver module 302 is fixed on the fixture block 304, and second driver module 302 promotes automatic controls finger 303 and moves up and down to press or to unclamp the tested valve manual buttons, moves thereby the control tested valve is manual.In order to improve the accuracy of manual mode operation, can guarantee automatic control finger 303 and tested valve manual buttons ability accurate centering, on last fixture block 304, mill out guide rail, second driver module 302 is being with automatic control finger 303 on last fixture block 304, to slide.
Shown in Figure 4, be the functional sequence block diagram of the utility model, system has automatic test, single stepping test, equipment self-inspection and parameter four major functions is set.
S401: parameter is provided with supports power down to preserve, and permanent preservation once is set, and change is provided with up to next time.
S402: at the autorun interface; After the user fixes and treats side valve; Only need click the start button on key box or the touch-screen; The utility model can automatic sequence carry out low-pressure electric controlled action, low pressure leak detection, high-pressure electric control action, manual action and high pressure leak detection operation, judges automatically whether the tested valve action puts, has or not height/low-pressure leak fault in place.
S403:, can carry out height/low pressure motion test, height/low pressure leak detection test separately at the single stepping test interface.
S404: the equipment self-inspection function is used for the intact situation of checkout equipment self.
Automatically the operation steps and the flow process of test electromagnetic valve body are detailed below:
1. connect with the mains and source of the gas to the utility model, the variable valve of regulating air pressure adjustment and control module obtains the high and operating on low voltage source of the gas of demand, and the utility model promptly gets into automatic test interface automatically.
2. tested valve correctly is placed on down on the fixture block, the clamping button on click keys box or the touch-screen promotes to go up fixture block with first driver module and moves downward, and compresses tested solenoid valve.
3. the start button on click keys box or the touch-screen, the utility model can automatically perform like the automatic flow among Fig. 4 and test.During the motion test, judge automatically whether the tested valve action puts in place, puts in place and then continues to carry out, otherwise, the sound and light alarm prompting; The leak detection test period judges that automatically tested valve has or not low pressure and high-pressure leakage fault, does not have and leaks; Then make the pulling of first driver module go up fixture block automatically and move upward, unclamp tested solenoid valve, the light prompt EOT; The tested valve test passes has leakage, then makes the pulling of first driver module go up fixture block automatically and moves upward; Unclamp tested solenoid valve, EOT, and the sound and light alarm prompting is high pressure or low-pressure leak.
4. behind the EOT, take off valve body, repeating step 2 and 3 carries out new valve body and detects.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. the online monitor station of solenoid valve comprises air intake assembly, anchor clamps, signal acquisition module and process control module; It is characterized in that,
Said air intake assembly comprises air pressure adjustment and control module and the pressurize assembly that is used to control admission pressure, and said air intake assembly one end is communicated with extraneous source of the gas, and the other end is communicated with the air intake opening of tested solenoid valve;
Said anchor clamps are connected with the operate outside source of the gas with pressure regulator valve through two five-way valves;
Said signal acquisition module comprises digital data acquisition module and analogue collection module, and said analogue collection module is used for the air pressure signal of the same measured point of acquisition time; Said digital data acquisition module provides key information to process control module;
Said process control module is judged tested valve impermeability situation through the data-signal of treatment of simulated amount acquisition module acquisition time.
2. according to the online monitor station of the solenoid valve of claim 1, it is characterized in that said air pressure adjustment and control module comprise pressure regulator valve and operation valve group, can select provides high pressure or operating on low voltage source of the gas to tested solenoid valve.
3. according to the online monitor station of the solenoid valve of claim 1, it is characterized in that said pressurize assembly one end is connected with the control module outlet with air pressure adjustment, the other end is sealed in tested solenoid valve gas circuit in the pressure dwelling loop through anchor clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120254430U CN202149838U (en) | 2011-07-19 | 2011-07-19 | Solenoid valve on-line detection bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120254430U CN202149838U (en) | 2011-07-19 | 2011-07-19 | Solenoid valve on-line detection bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149838U true CN202149838U (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120254430U Expired - Lifetime CN202149838U (en) | 2011-07-19 | 2011-07-19 | Solenoid valve on-line detection bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202149838U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297750A (en) * | 2011-07-19 | 2011-12-28 | 无锡星月科技有限公司 | Online detection platform of electromagnetic valve |
| CN104913886A (en) * | 2015-04-17 | 2015-09-16 | 温州市特种设备检测研究院 | New method for leakage detection of Freon valve |
| CN105067202A (en) * | 2015-07-24 | 2015-11-18 | 成都秦川科技发展有限公司 | Electromechanical valve tightness intelligent detection device and detection method thereof |
-
2011
- 2011-07-19 CN CN201120254430U patent/CN202149838U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297750A (en) * | 2011-07-19 | 2011-12-28 | 无锡星月科技有限公司 | Online detection platform of electromagnetic valve |
| CN102297750B (en) * | 2011-07-19 | 2016-04-20 | 无锡星月科技有限公司 | Solenoid valve on-line checkingi platform |
| CN104913886A (en) * | 2015-04-17 | 2015-09-16 | 温州市特种设备检测研究院 | New method for leakage detection of Freon valve |
| CN104913886B (en) * | 2015-04-17 | 2017-05-17 | 温州市特种设备检测研究院 | Method for leakage detection of Freon valve |
| CN105067202A (en) * | 2015-07-24 | 2015-11-18 | 成都秦川科技发展有限公司 | Electromechanical valve tightness intelligent detection device and detection method thereof |
| CN105067202B (en) * | 2015-07-24 | 2018-12-04 | 成都秦川物联网科技股份有限公司 | Electromechanical valve air-tightness intelligent detection equipment and its detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120222 |
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| CX01 | Expiry of patent term |