CN206804293U - Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator - Google Patents
Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator Download PDFInfo
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- CN206804293U CN206804293U CN201720631466.0U CN201720631466U CN206804293U CN 206804293 U CN206804293 U CN 206804293U CN 201720631466 U CN201720631466 U CN 201720631466U CN 206804293 U CN206804293 U CN 206804293U
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Abstract
The utility model discloses a kind of magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator, including experiment porch and measurement and control unit, measurement and control unit includes pressure sensor, voltage sensor, current sensor, Acquisition Circuit, controller, drive circuit, tap changer, power module and power switch, the coil of tested magnetic valve passes through tap changer, power switch is connected with power supply, pressure sensor is respectively arranged at the upper valve port and lower valve port of tested magnetic valve, voltage sensor, current sensor is arranged on the circuit between the coil and power supply of tested magnetic valve, pressure sensor, voltage sensor, current sensor is connected by Acquisition Circuit with the input of controller respectively, the output end of controller is connected by drive circuit with the control terminal of tap changer.The utility model not only can disposably test multiple magnetic valves, and can carry out the experiment of polytype magnetic valve simultaneously, eliminate and connect interim source of the gas, the cumbersome process of interim electricity.
Description
Technical field
It the utility model is related to detection apparatus for electromagnetic valve, and in particular to a kind of magnetic valve Reliability of Microprocessor and life experiment dress
Put.
Background technology
Magnetic valve is one of highly important equipment in fluid control systems, and magnetic valve is pneumatic system, in hydraulic system
The base components of fluid are controlled, for adjusting the direction of medium, flow, speed and other parameters.Typically all by magnet coil,
Iron core, valve body, valve seat, valve pocket etc. form.Magnetic valve is applied very more in the pneumatic control field of locomotive and vehicle,
Such as electric pneumatic breaking, Automatic Plug Doors switch control etc..
Development of the research and development of magnetic valve to each field in pneumatic fluid control system is very important, and magnetic valve is ground
Hair be unable to do without related experiment device, particularly Reliability of Microprocessor and life test apparatus.General pilot solenoid valve uses at present
Test method is two instrument connectors of weldering, connects a temporary source, serves as instrument air with air pump, demolition, installation operation is quite cumbersome, more
The experiment of type of electromagnetic valve, which needs to change, repeatedly changes solenoid valve base, virtually adds the difficulty of experiment, less efficient, and
And pilot solenoid valve will connect provisional 220V power supplys, danger coefficient is high.How the examination of multiple polymorphic type magnetic valves is conveniently realized
Test, reduce the danger of experiment, improve operating efficiency, have become a key technical problem urgently to be resolved hurrily.
Utility model content
The technical problems to be solved in the utility model：For the above mentioned problem of prior art, there is provided a kind of electromagnetism valve events
Reliability and apparatus for testing service life of refrigerator, the device not only can disposably test multiple magnetic valves, and can carry out simultaneously a variety of
The experiment of type of electromagnetic valve, eliminate and connect interim source of the gas, the cumbersome process of interim electricity.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator, including host computer, the reality for installing tested magnetic valve
Platform and the measurement and control unit being arranged on experiment porch are tested, the measurement and control unit includes pressure sensor, voltage sensor, electric current
Sensor, Acquisition Circuit, controller, drive circuit, tap changer, power module and power switch, it is tested the coil of magnetic valve
Be connected by tap changer, power switch with power supply, the power module respectively with Acquisition Circuit, controller, drive circuit phase
Even, the pressure sensor is respectively arranged at the upper valve port and lower valve port of tested magnetic valve, and the voltage sensor, electric current pass
Sensor is arranged on the circuit between the coil and power supply of tested magnetic valve, the pressure sensor, voltage sensor, electricity
Flow sensor is connected by Acquisition Circuit with the input of controller respectively, the output end of the controller by drive circuit and
The control terminal of tap changer is connected, and the controller, Acquisition Circuit are connected with host computer respectively.
Preferably, the power module is connected by power switch with power supply.
Preferably, the measurement and control unit also includes hand switch, and the hand switch and tap changer are connected in parallel.
Preferably, the experiment porch is provided with least two groups valve test units for being used to test different tested magnetic valves,
The valve test unit includes being used to install the base of tested magnetic valve and the pressure for being used to and be tested magnetic valve lower valve port be connected
Table, be respectively provided with the base for the air valve that valve port, lower valve port are connected on tested magnetic valve, the output of the controller
End is connected by drive circuit with the control terminal of air valve.
Preferably, the utility model also includes air machinery, and the output end of the air machinery passes through air valve and tested electricity
Valve port is connected on magnet valve.
Preferably, the air machinery includes source of the gas, air accumulator, the source of the gas three linked piece being sequentially connected, and the source of the gas three
The output end of connection part is connected by pipeline with air valve.
Preferably, the experiment porch includes operating desk and the cabinet on rear side of operating desk, and the base is arranged in behaviour
Make on platform, the power switch and pressure gauge are located at the front side of cabinet.
Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator tool of the present utility model has the advantage that：
1st, magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator of the present utility model include being used to install tested magnetic valve
Experiment porch and the measurement and control unit being arranged on experiment porch, measurement and control unit include pressure sensor, voltage sensor, electric current and passed
Sensor, Acquisition Circuit, controller, drive circuit, tap changer, power module and power switch, the coil of tested magnetic valve lead to
Cross tap changer, power switch is connected with power supply, pressure sensor is respectively arranged in the upper valve port and lower valve port of tested magnetic valve
Place, the voltage sensor, current sensor are arranged on the circuit between the coil and power supply of tested magnetic valve, pressure
Sensor, voltage sensor, current sensor are connected by Acquisition Circuit with the input of controller respectively, the output of controller
End is connected by drive circuit with the control terminal of tap changer, not only can disposably test multiple magnetic valves, and can be same
The experiment of Shi Jinhang polytype magnetic valves, eliminate and connect interim source of the gas, the cumbersome process of interim electricity.
2nd, magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator of the present utility model carry out the progress simultaneously of multi-way detecting position respectively
Kind experiment, on this basis by controller and host computer can form closed-loop control system detection process is realized it is High Precision Automatic
Change, the operating efficiency of magnetic valve detection will be improved.
3rd, the utility model may be implemented in the requirement of hard stop under fault occurrences.
Brief description of the drawings
Fig. 1 is the circuit theory schematic diagram of the utility model embodiment.
Fig. 2 is the front view of experiment porch in the utility model embodiment.
Fig. 3 is the side view of experiment porch in the utility model embodiment.
Fig. 4 is the top view of experiment porch in the utility model embodiment.
Marginal data：1st, experiment porch；101st, operating desk；102nd, cabinet；11st, base；111st, air valve；12nd, pressure gauge；
21st, pressure sensor；22nd, voltage sensor；23rd, current sensor；24th, Acquisition Circuit；25th, controller；26th, drive circuit；
27th, tap changer；271st, hand switch；28th, power module；29th, power switch；3rd, air machinery.
Embodiment
As shown in figure 1, the magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator of the present embodiment include host computer, for installing
The experiment porch 1 of tested magnetic valve and the measurement and control unit being arranged on experiment porch 1, measurement and control unit include pressure sensor 21,
Voltage sensor 22, current sensor 23, Acquisition Circuit 24, controller 25, drive circuit 26, tap changer 27, power module
28 and power switch 29, the coil of tested magnetic valve is connected by tap changer 27, power switch 29 with power supply, power module 28
It is connected respectively with Acquisition Circuit 24, controller 25, drive circuit 26, pressure sensor 21 is respectively arranged in the upper of tested magnetic valve
At valve port and lower valve port, voltage sensor 22, current sensor 23 are arranged between the coil and power supply of tested magnetic valve
Circuit on, pressure sensor 21, voltage sensor 22, current sensor 23 pass through Acquisition Circuit 24 and controller 25 respectively
Input is connected, and the output end of controller 25 is connected by the control terminal of drive circuit 26 with tap changer 27, controller 25, is adopted
Collector 24 is connected with host computer respectively.The magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator of the present embodiment not only can be once
Property the multiple magnetic valves of experiment, and the experiment of polytype magnetic valve can be carried out simultaneously, eliminate and connect interim source of the gas, interim electricity
Cumbersome process.The magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator of the present embodiment can carry out multi-way detecting position while carry out each
Kind experiment, on this basis by controller and host computer can form closed-loop control system detection process is realized it is High Precision Automatic
Change, the operating efficiency of magnetic valve detection will be improved；The magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator of the present embodiment can be realized
The requirement of hard stop under fault occurrences.
In the present embodiment, controller 25 specifically uses PLC.Acquisition Circuit 24 is used for the sensor that will be collected
Signal passes to controller 25, and controller 25 is used as slave computer and host computer（The present embodiment uses industrial computer）Host computer procedure
Communicated, host computer is used to record storage clock signal, and further can judge result of the test according to criterion of acceptability, upper
Machine has the good interface of man-machine interaction, and host computer is arranged in sidecar.
As shown in figure 1, power module 28 is connected by power switch 29 with power supply, power module 28 is located at power switch 29
Rear end and it is connected by power switch 29 with power supply, simplifies power supply supply.
As shown in figure 1, measurement and control unit also includes hand switch 271, hand switch 271 and tap changer 27 are connected in parallel.
As shown in figure 1, experiment porch 1 is provided with least two groups valve test units for being used to test different tested magnetic valves,
Valve test unit includes being used to install the base 11 of tested magnetic valve and the pressure gauge for being used to and be tested magnetic valve lower valve port be connected
12, be respectively provided with base 11 for the air valve 111 that valve port, lower valve port are connected on tested magnetic valve, the output of controller 25
End is connected by the control terminal of drive circuit 26 with air valve 111.
As shown in figure 1, the experimental provision of the present embodiment also includes air machinery 3, the output end of air machinery 3 passes through air valve
111 are connected with valve port on tested magnetic valve.Air machinery 3 can be arranged in experiment porch 1 as needed, in addition can also be only
It is vertical to be arranged in outside experiment porch 1.In the present embodiment, air machinery 3 includes source of the gas, air accumulator, the source of the gas three linked piece being sequentially connected,
And the output end of source of the gas three linked piece is connected by pipeline with air valve 111.
As shown in Figure 2, Figure 3 and Figure 4, experiment porch 1 includes operating desk 101 and the cabinet located at the rear side of operating desk 101
102, base 11 is arranged on operating desk 101, and power switch 29 and pressure gauge 12 are located at the front side of cabinet 102.
The magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator of the present embodiment are on experiment porch 1, and two sets of bases of installation are not
The same valve test units for being used to test different tested magnetic valves, can be tested two kinds of magnetic valve.Source of the gas is set
Standby 3 output source of the gas is connected by air valve 111 with tested solenoid valve base input port, two valve outlets of base 11 and two
Pressure gauge 12 is connected.220V alternating currents are connected by power switch 29, tap changer 27 with the coil of magnetic valve.It is real manually
When testing, power switch 29 is disconnected, and magnetic valve is inserted on base 11, is opened air valve 111 and is observed, and a pressure gauge 12 has display,
Manually opened tested magnetic valve, this pressure gauge 12 display zero, another pressure gauge 12 has display, while compressed air passes through
The steam vent discharge of base 1, manually experiment are completed.After the completion of Manual test, energizing test, now, a pressure gauge 12 are carried out
There is display, power switch 29 is powered, and this pressure gauge 12 display zero, another pressure gauge 12 has display, meanwhile, compressed air
Discharged by the steam vent of base 11.Same method, the valve test of other models can be carried out in another set of pilot system
Unit.It is as follows using the magnetic valve Reliability of Microprocessor of the present embodiment and the experimental example of apparatus for testing service life of refrigerator：（1）Magnetic valve moves
Test.The action experiment of magnetic valve will use controller 25 to realize the real-time prison to being tested each valve opening and closing situation of magnetic valve
Control；The air pressure value changes at two are detected with highly sensitive pressure sensor 21 at the upper and lower valve port of tested magnetic valve, it is upper
When machine gathers above-mentioned data and is recorded in m- pressure value chart, and with being gathered by voltage sensor 22, current sensor 23
The oscillogram of power supply excitation signal be compared, draw closing, the response test of release valve；（2）The guarantor of tested magnetic valve
Press performance test.In the present embodiment for be tested magnetic valve upper and lower valve port pressure maintaining performance detection technique, specifically tested
Journey is upward lower valve port application air pressure after electromagnetism valve events.It is after pressure stabilisation, it is tested magnetic valve and discharges, lower valve port in shut-off
Valve, pressure sensor 21 measures the pressure inside pipeline in real time.Handled through industrial computer calculating, draw the pressure of lower valve port
Drop-out value, and normal pressure difference are made and compared, that is, draw the pressure maintaining performance of upper and lower valve port.The pressure maintaining performance of tested magnetic valve
Experiment needs non-volatile recording to be tested the change of pressure value at two valve ports of magnetic valve, and then draws valve pressurize capability chart.
It by the standard data records of pass the test in host computer, and can be compared automatically with obtained experimental data, provide experiment most
Whole data drawing list and whether qualified judgement.Each experimental procedure is integrated in the different subregions of the display of host computer, energy side
Just switching checks each step test result.Whole testing process only need testing staff just test can be made to enter automatically by mouse control
Row is until experiment terminates.（3）The detection of the operation voltage of tested magnetic valve.For the detection skill for the operation voltage for being tested magnetic valve
Art, specific test process is the voltage that testing stand gradually steps up the tested electromagnetic valve coil of supply, when the wink of tested electromagnetism valve events
Between, by voltage sensor 22, the collection voltages current data of current sensor 23, stored after industrial computer is handled, now data
As operation voltage, action current.（4）The detection of the release performance of tested magnetic valve.Release performance for being tested magnetic valve
Detection technique, specific test process is the voltage that tested electromagnetic valve coil is gradually reduced after tested electromagnetism valve events, when releasing
The moment put, by voltage sensor 22, the collection voltages current data of current sensor 23, stored after industrial computer is handled, this
When data be release voltage, release current.（5）The failure automatic detection of tested magnetic valve.For fault automatic measurement technology,
It is then that by the experimental rig of the present embodiment tested magnetic valve can be made to carry out alarm when occurring abnormal during detecting data to stop
Machine is simultaneously prompted various produced problems, to ensure the reliability of result of the test.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator, it is characterised in that：Including host computer, for installing tested electricity
The experiment porch of magnet valve（1）Be arranged in experiment porch（1）On measurement and control unit, the measurement and control unit includes pressure sensor
（21）, voltage sensor（22）, current sensor（23）, Acquisition Circuit（24）, controller（25）, drive circuit（26）, pressure regulation
Switch（27）, power module（28）And power switch（29）, the coil of tested magnetic valve passes through tap changer（27）, power switch
（29）It is connected with power supply, the power module（28）Respectively with Acquisition Circuit（24）, controller（25）, drive circuit（26）Phase
Even, the pressure sensor（21）It is respectively arranged at the upper valve port and lower valve port of tested magnetic valve, the voltage sensor
（22）, current sensor（23）It is arranged on the circuit between the coil and power supply of tested magnetic valve, the pressure sensing
Device（21）, voltage sensor（22）, current sensor（23）Pass through Acquisition Circuit respectively（24）And controller（25）Input
It is connected, the controller（25）Output end pass through drive circuit（26）And tap changer（27）Control terminal be connected, the control
Device processed（25）, Acquisition Circuit（24）It is connected respectively with host computer.
2. magnetic valve Reliability of Microprocessor according to claim 1 and apparatus for testing service life of refrigerator, it is characterised in that：The power supply mould
Block（28）Pass through power switch（29）It is connected with power supply.
3. magnetic valve Reliability of Microprocessor according to claim 1 and apparatus for testing service life of refrigerator, it is characterised in that：The observing and controlling list
Member also includes hand switch（271）, the hand switch（271）And tap changer（27）It is connected in parallel.
4. magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator according to any one in claims 1 to 3, its feature exist
In：The experiment porch（1）It is provided with least two groups valve test units for being used to test different tested magnetic valves, the valve test
Unit includes being used for the base for installing tested magnetic valve（11）With the pressure gauge for being used to and be tested magnetic valve lower valve port be connected（12）,
The base（11）On be respectively provided with for valve port, lower valve port are connected on tested magnetic valve air valve（111）, the controller
（25）Output end pass through drive circuit（26）And air valve（111）Control terminal be connected.
5. magnetic valve Reliability of Microprocessor according to claim 4 and apparatus for testing service life of refrigerator, it is characterised in that：Also include source of the gas
Equipment（3）, the air machinery（3）Output end pass through air valve（111）It is connected with valve port on tested magnetic valve.
6. magnetic valve Reliability of Microprocessor according to claim 5 and apparatus for testing service life of refrigerator, it is characterised in that：The source of the gas is set
It is standby（3）Including the source of the gas, air accumulator, source of the gas three linked piece being sequentially connected, and the output end of the source of the gas three linked piece by pipeline and
Air valve（111）It is connected.
7. magnetic valve Reliability of Microprocessor according to claim 6 and apparatus for testing service life of refrigerator, it is characterised in that：The experiment is flat
Platform（1）Including operating desk（101）With located at operating desk（101）The cabinet of rear side（102）, the base（11）It is arranged in operating desk
（101）On, the power switch（29）And pressure gauge（12）Located at cabinet（102）Front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720631466.0U CN206804293U (en) | 2017-06-02 | 2017-06-02 | Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720631466.0U CN206804293U (en) | 2017-06-02 | 2017-06-02 | Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator |
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| CN206804293U true CN206804293U (en) | 2017-12-26 |
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| CN201720631466.0U Active CN206804293U (en) | 2017-06-02 | 2017-06-02 | Magnetic valve Reliability of Microprocessor and apparatus for testing service life of refrigerator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801625A (en) * | 2018-07-25 | 2018-11-13 | 昆山睿力得软件技术有限公司 | A kind of proportioning valve durable test bench control system |
| CN111076907A (en) * | 2019-11-28 | 2020-04-28 | 宁波拓普智能刹车系统有限公司 | Device for testing sealing performance, pressure resistance and opening pressure of automobile electromagnetic valve |
| CN111365615A (en) * | 2020-03-20 | 2020-07-03 | 吴忠仪表有限责任公司 | Valve static pressure life automatic testing device based on gasification pressurization |
| CN111366355A (en) * | 2020-05-28 | 2020-07-03 | 天津美腾科技股份有限公司 | Device and method for testing performance of electromagnetic valve |
| CN111610440A (en) * | 2020-05-13 | 2020-09-01 | 石家庄君乐宝乳业有限公司 | Electromagnetic valve fault detection circuit and detection method |
-
2017
- 2017-06-02 CN CN201720631466.0U patent/CN206804293U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801625A (en) * | 2018-07-25 | 2018-11-13 | 昆山睿力得软件技术有限公司 | A kind of proportioning valve durable test bench control system |
| CN111076907A (en) * | 2019-11-28 | 2020-04-28 | 宁波拓普智能刹车系统有限公司 | Device for testing sealing performance, pressure resistance and opening pressure of automobile electromagnetic valve |
| CN111365615A (en) * | 2020-03-20 | 2020-07-03 | 吴忠仪表有限责任公司 | Valve static pressure life automatic testing device based on gasification pressurization |
| CN111365615B (en) * | 2020-03-20 | 2021-12-07 | 吴忠仪表有限责任公司 | Valve static pressure life automatic testing device based on gasification pressurization |
| CN111610440A (en) * | 2020-05-13 | 2020-09-01 | 石家庄君乐宝乳业有限公司 | Electromagnetic valve fault detection circuit and detection method |
| CN111366355A (en) * | 2020-05-28 | 2020-07-03 | 天津美腾科技股份有限公司 | Device and method for testing performance of electromagnetic valve |
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