CN104345268A - Relay and solenoid valve test system - Google Patents
Relay and solenoid valve test system Download PDFInfo
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- CN104345268A CN104345268A CN201310330333.6A CN201310330333A CN104345268A CN 104345268 A CN104345268 A CN 104345268A CN 201310330333 A CN201310330333 A CN 201310330333A CN 104345268 A CN104345268 A CN 104345268A
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- solenoid valve
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Abstract
Disclosed is a relay and solenoid valve test system. The system comprises a host computer, a data acquisition module, a signal conditioning circuit, an air pump, a gas pressure sensor, a relay, a solenoid valve, a power circuit, a first tee coupling, a non-return valve, a second tee coupling, a gas storage tank and a safety valve. According to the invention, the host computer is taken as a system control and test core, through the data acquisition module and the signal conditioning circuit, the relay and the air pump are driven, relay switching signals and pressure signals of a solenoid valve air outlet port are fed back to the host computer, and the test system, according to feedback signals, determines whether the relay and the solenoid value are normal, calculates motion time of the relay and the solenoid valve and can also carry out a fatigue test on the relay and the solenoid valve. The relay and solenoid valve test system is simple in structure, low in manufacture cost, convenient to operate, stable in performance and high in intelligentization.
Description
Technical field
The present invention relates to a kind of electronic device, particularly a kind of relay, solenoid valve test macro.
Background technology
Relay is a kind of electric control device; there is control system (also known as input circuit) and by the interactive relationship between control system (also known as output loop); often be applied in the control circuit of robotization; it is actually the one " automatic switch " going to control big current running with small area analysis, plays the effects such as automatic adjustment, safeguard protection, change-over circuit in circuit.Electromagnetic Control equipment used by solenoid valve, with adjusting the direction of medium, flow, speed and other parameter in the controls, can coordinate different circuit to realize the control of expection, and the precision controlled and dirigibility can both ensure.
The combined electrical control Method compare of solenoid valve, relay is common, the normal operation of both performance also influential system, and it is high for some control overflow, the system that response will be sought quickness, solenoid valve, pull up time also require fast as much as possible, so, detect the guarantee that solenoid valve, the quality of relay performance and actuation time are system stabilities.
The testing fatigue of solenoid valve, relay or the two combined system, also be the test be highly profitable, by the testing fatigue to product, stable minimum action frequency can be maintained by certainty annuity, for system, parts type selecting, properties of product detect and provide certain foundation.
Summary of the invention
Object of the present invention, is just to solve the problem, and provides a kind of relay, solenoid valve test macro.
The object of the present invention is achieved like this: a kind of relay, solenoid valve test macro, and it comprises:
Host computer, inside establishes user operation testing system software, sends control signal during test to system, and judges the performance of relay, solenoid valve according to feedback signal;
Data acquisition module, itself and host computer telecom-connect, and the control signal of host computer is transferred to air pump, and the pressure feedback signal of gas pressure sensor is transferred to host computer;
Signal conditioning circuit, itself and data acquisition module telecom-connect;
Air pump, itself and signal conditioning circuit telecom-connect.
Gas pressure sensor, itself and signal conditioning circuit telecom-connect and the gas pressure data detected are transferred to signal conditioning circuit;
Relay, itself and signal conditioning circuit telecom-connect;
Solenoid valve, it is telecom-connected with relay and is connected with gas pressure sensor by gas circuit;
Pneumatic circuit, is connected with air pump, solenoid valve respectively by gas circuit;
Power circuit, is connected to them with air pump, data acquisition module, signal conditioning circuit, gas pressure sensor, relay, solenoid valve respectively by electric wire and provides working power.
Also comprise relay fixture and solenoid valve fixture, described relay is placed on relay fixture, and described solenoid valve is placed on solenoid valve fixture.
Described pneumatic circuit comprises the first three-way connection, retaining valve, the second three-way connection and the gas-holder that order is connected, and is connected with safety valve at an interface of the first three-way connection; Described air pump is connected with another interface of the first three-way connection by gas circuit; Described solenoid valve is connected with another interface of the second three-way connection by gas circuit.
Described host computer with adopt between data acquisition module that serial ports is connected, usb bus connects or pci bus connects.
Described data acquisition module has analog input AD, analog output DA, digital quantity input DI, digital output DO function.
Described power circuit provides 220V or 110V alternating voltage to air pump, and provides 24V, 12V or 5V DC voltage respectively to data acquisition module, signal conditioning circuit, gas pressure sensor, relay, solenoid valve.
Described solenoid valve is two-bit triplet, two four-ways or two five-way electromagnetic valves.
Described solenoid valve is two-bit triplet solenoid valve, and its air intake opening connects gas pressure sensor, and often output mouth and be connected with air, normally closed outlet is connected with gas-holder by the second three-way connection.
The present invention can according to the switching signal of gas pressure sensor feedback and pressure signal, judge quality and the actuation time of relay, magnetic valve performance, the testing fatigue of relay, solenoid valve or the two combined system can also be carried out, test figure is stored in host computer PC, and by man-machine interface and operator mutual.It is simple, economical that this test macro has structure, easy to operate, and test result is feature accurately, is applicable to the performance test of relay, solenoid valve, and torture test, for system, parts type selecting, Product checking provide foundation.
Accompanying drawing explanation
Fig. 1 is the structural representation of test macro of the present invention;
Fig. 2 is solenoid valve fixture schematic diagram.
Fig. 3 is relay fixture schematic diagram.
Embodiment
See Fig. 1, relay of the present invention, solenoid valve test macro, comprise host computer 1, data acquisition module 2, signal conditioning circuit 3, air pump 4, gas pressure sensor 5, relay 6, solenoid valve 7, power circuit 8 and pneumatic circuit, pneumatic circuit comprises the first three-way connection 9, retaining valve 10, second three-way connection 11 and the gas-holder 12 that order is connected, and is connected with safety valve 13 at an interface of the first three-way connection.Also comprise relay fixture and solenoid valve fixture, relay 6 is placed on relay fixture, and solenoid valve 7 is placed on solenoid valve fixture.
User operation testing system software is established in host computer 1, host computer 1 is outwards transmitted control signal by data acquisition module 2, air pump 4 and relay 6 action is controlled through signal conditioning circuit 3, relay 6 action drives solenoid valve 7 break-make, and the pressure feedback signal of the switching signal of relay 6 and gas pressure sensor 5, again by signal conditioning circuit 3, data acquisition module 2 feeds back to host computer 1, host computer 1 processes to the received signal, thus judge relay 6, the performance of solenoid valve 7, calculate actuation time, by result by man-machine interface and operator mutual, and data are preserved.
Data acquisition module 2 and host computer 1 telecom-connect, the control signal of host computer can be exported to relay 6 and air pump 4 by digital DO mouth, control their break-make, also the switching signal of relay 6 break-make can be inputed to host computer 1 by digital DI mouth, gas pressure sensor 5 by AD conversion.
Signal conditioning circuit 3 and data acquisition module telecom-connect, and have the function of signal Isolation.
Air pump 4 and signal conditioning circuit telecom-connect, and are connected by gas circuit another interface with the first three-way connection 9;
Gas pressure sensor 5 and signal conditioning circuit telecom-connect and the gas pressure data detected are transferred to signal conditioning circuit.
Relay 6 and signal conditioning circuit telecom-connect.
Solenoid valve 7 is telecom-connected with relay and is connected with gas pressure sensor by gas circuit, is connected with another interface of the second three-way connection by gas circuit.
Power circuit 8 is connected with air pump, data acquisition module, signal conditioning circuit, gas pressure sensor, relay, solenoid valve respectively by electric wire, input power is industrial-frequency alternating current 220V 50Hz, by transformation and rectification, export 220V and 110V alternating voltage, be applicable to the air pump of different operating voltage, and export 24V, 12V, 5V DC voltage, for data acquisition acquisition system, signal conditioning circuit, air pump, gas pressure sensor, relay, solenoid valve provide working power.
Host computer in the present invention with adopt between data acquisition module that serial ports is connected, usb bus connects or pci bus connects.
Data acquisition module in the present invention has analog input AD, analog output DA, digital quantity input DI, digital output DO function.
Solenoid valve 7 in the present invention can adopt two-bit triplet, two four-ways or two five-way electromagnetic valves.Preferred employing two-bit triplet solenoid valve, its air intake opening connects gas pressure sensor, and often output mouth and be connected with air, normally closed outlet is connected with gas-holder by the second three-way connection.When host computer 1 does not send drive singal, relay 6 not conducting, solenoid valve 7 is failure to actuate, then gas pressure sensor 5 communicates with air, and the pressure feeding back to host computer 1 is atmospheric pressure, when host computer 1 sends drive singal, relay 6 conducting, solenoid valve 7 action, then gas pressure sensor 5 communicates with gas-holder 12, and the pressure feeding back to host computer 1 is the internal pressure of gas-holder 12.
Safety valve 13 in the present invention carries out pressure release for when air pump 4 output pipe surpressure, prevents hypertonia from causing damage to system.Surpressure may betide the situations such as line clogging, air pump fault, one-way valve fault.
Retaining valve 10 in the present invention, for the unidirectional output gas of air pump 4, prevents gas backflow, avoids gas leakage, and damage air pump.
Solenoid valve fixture in the present invention as shown in Figure 2, is made up of clamp base 16, fixture case 17, movable clamp 18, flexible springs 19 and retaining clip 20.Clamp base 16 is fixed on test board, and fixture case 17 is fixed in clamp base 16, and flexible springs 19 is placed between fixture case 17 and movable clamp 18, and retaining clip 20 is also fixed in clamp base 16.When solenoid valve placed by needs, only need pull out movable clamp 18, distance between movable clamp 18 and retaining clip 20 just becomes large, so that can solenoid valve be put down, then come loose activity clamp 18, flexible springs 19 will return to original pre-stressed position, so that can clamp solenoid valve, makes it not loosen.
Relay fixture in the present invention as shown in Figure 3, is made up of clamp base 21, fixture 22, pull bar 23.Clamp base 21 is fixed on test board, and fixture 22 is fixed in clamp base 21.Pull bar 23 on fixture 22 has two movable gears (horizontal and vertical), when relay placed by needs, only pull bar 23 need be drawn to vertical gear, then relay is placed in fixture 22, again pull bar 23 is drawn to horizontal gear, just can clamps relay, make it not loosen.
Course of work principle of the present invention is: system reads every initial parameter from program, initialization, and wait for " startup ", operator first should select test event, then presses start button, and program enters different testing processs according to the selection of operator.When selection is relay contact analog control system, and host computer sends and controls signal to relay, records this time t1 simultaneously, then host computer wait-receiving mode relay feedback switch signal, if wait more than 1 second, then judge relay fault, test terminates, if there is no time-out, the time t2 of record Received signal strength, the response time T0=t2-t1 of compute relay, repeats this test process N time, N is operator's setting value, averages as the action response time of relay, when selection is solenoid valve test, host computer sends and controls signal to relay, host computer wait-receiving mode relay feedback switch signal, if wait more than 1 second, then judge relay fault, test terminates, if there is no time-out, the time t2 of record Received signal strength, host computer PC I continues the pressure signal of wait-receiving mode gas pressure sensor, if wait more than 1 second, then judge solenoid valve failure, test terminates, if there is no time-out, the time t3 of record Received signal strength, calculate the action response time T1=t3-t2 of solenoid valve, repeat this test process N time, N is operator's setting value, average as the action response time of solenoid valve, when selection is testing fatigue, the testing fatigue number of times that system can be arranged according to operator, circulation sends control signal, and the action response time of compute relay and solenoid valve, if in the process of test, occur that time-out or response time exceed normal value, then test end, and show fault, if arrive setting testing time and do not exit, then relay and solenoid valve pass through testing fatigue.
Claims (8)
1. relay, a solenoid valve test macro, is characterized in that comprising:
Host computer, inside establishes user operation testing system software, sends control signal during test to system, and judges the performance of relay, solenoid valve according to feedback signal;
Data acquisition module, itself and host computer telecom-connect, and the control signal of host computer is transferred to air pump, and the pressure feedback signal of gas pressure sensor is transferred to host computer;
Signal conditioning circuit, itself and data acquisition module telecom-connect;
Air pump, itself and signal conditioning circuit telecom-connect;
Gas pressure sensor, itself and signal conditioning circuit telecom-connect and the gas pressure data detected are transferred to signal conditioning circuit;
Relay, itself and signal conditioning circuit telecom-connect;
Solenoid valve, it is telecom-connected with relay and is connected with gas pressure sensor by gas circuit;
Pneumatic circuit, is connected with air pump, solenoid valve respectively by gas circuit;
Power circuit, is connected to them with air pump, data acquisition module, signal conditioning circuit, gas pressure sensor, relay, solenoid valve respectively by electric wire and provides working power.
2. relay according to claim 1, solenoid valve test macro, is characterized in that: also comprise relay fixture and solenoid valve fixture, and described relay is placed on relay fixture, and described solenoid valve is placed on solenoid valve fixture.
3. relay according to claim 1 and 2, solenoid valve test macro, it is characterized in that: described pneumatic circuit comprises the first three-way connection, retaining valve, the second three-way connection and the gas-holder that order is connected, and is connected with safety valve at an interface of the first three-way connection; Described air pump is connected with another interface of the first three-way connection by gas circuit; Described solenoid valve is connected with another interface of the second three-way connection by gas circuit.
4. relay according to claim 1 and 2, solenoid valve test macro, is characterized in that: described host computer with adopt between data acquisition module that serial ports is connected, usb bus connects or pci bus connects.
5. relay according to claim 1 and 2, solenoid valve test macro, is characterized in that: described data acquisition module has analog input AD, analog output DA, digital quantity input DI, digital output DO function.
6. relay according to claim 1 and 2, solenoid valve test macro, it is characterized in that: described power circuit provides 220V or 110V alternating voltage to air pump, and provide 24V, 12V or 5V DC voltage respectively to data acquisition module, signal conditioning circuit, gas pressure sensor, relay, solenoid valve.
7. relay according to claim 1 and 2, solenoid valve test macro, is characterized in that: described solenoid valve is two-bit triplet, two four-ways or two five-way electromagnetic valves.
8. relay according to claim 1 and 2, solenoid valve test macro, it is characterized in that: described solenoid valve is two-bit triplet solenoid valve, its air intake opening connects gas pressure sensor, and often output mouth and be connected with air, normally closed outlet is connected with gas-holder by the second three-way connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330333.6A CN104345268B (en) | 2013-07-31 | 2013-07-31 | Relay, magnetic valve test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330333.6A CN104345268B (en) | 2013-07-31 | 2013-07-31 | Relay, magnetic valve test system |
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| CN104345268A true CN104345268A (en) | 2015-02-11 |
| CN104345268B CN104345268B (en) | 2017-08-01 |
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| CN201310330333.6A Expired - Fee Related CN104345268B (en) | 2013-07-31 | 2013-07-31 | Relay, magnetic valve test system |
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Cited By (7)
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| CN105629165A (en) * | 2016-03-09 | 2016-06-01 | 江苏永发医用设备有限公司 | System and method of testing relay and solenoid valve |
| CN107044692A (en) * | 2017-04-21 | 2017-08-15 | 广东美的暖通设备有限公司 | Multiple on-line system and its defrosting control method and device |
| CN107091984A (en) * | 2017-07-04 | 2017-08-25 | 合肥工业大学 | The solenoid valve failure monitoring device and monitoring method of a kind of color selector |
| CN108363002A (en) * | 2018-02-02 | 2018-08-03 | 中广核工程有限公司 | A kind of test system and method for nuclear power station regulating valve switch motion |
| CN109342936A (en) * | 2018-11-15 | 2019-02-15 | 中石化第十建设有限公司 | Two formula switch valve comprehensive calibrators of one kind and method of calibration |
| CN109580220A (en) * | 2018-12-05 | 2019-04-05 | 陕西法士特齿轮有限责任公司 | The pneumatic AMT executing agency fatigue property test system of two axis of one kind and test method |
| CN112684330A (en) * | 2020-12-10 | 2021-04-20 | 中广核工程有限公司 | Nuclear power plant electric valve parameter online monitoring system and online monitoring module |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105629165A (en) * | 2016-03-09 | 2016-06-01 | 江苏永发医用设备有限公司 | System and method of testing relay and solenoid valve |
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| CN107091984A (en) * | 2017-07-04 | 2017-08-25 | 合肥工业大学 | The solenoid valve failure monitoring device and monitoring method of a kind of color selector |
| CN107091984B (en) * | 2017-07-04 | 2019-05-03 | 合肥工业大学 | A kind of the solenoid valve failure monitoring device and monitoring method of color selector |
| CN108363002A (en) * | 2018-02-02 | 2018-08-03 | 中广核工程有限公司 | A kind of test system and method for nuclear power station regulating valve switch motion |
| CN109342936A (en) * | 2018-11-15 | 2019-02-15 | 中石化第十建设有限公司 | Two formula switch valve comprehensive calibrators of one kind and method of calibration |
| CN109580220A (en) * | 2018-12-05 | 2019-04-05 | 陕西法士特齿轮有限责任公司 | The pneumatic AMT executing agency fatigue property test system of two axis of one kind and test method |
| CN109580220B (en) * | 2018-12-05 | 2023-10-13 | 陕西法士特齿轮有限责任公司 | System and method for testing fatigue performance of two-axis pneumatic AMT (automated mechanical transmission) actuating mechanism |
| CN112684330A (en) * | 2020-12-10 | 2021-04-20 | 中广核工程有限公司 | Nuclear power plant electric valve parameter online monitoring system and online monitoring module |
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| CN104345268B (en) | 2017-08-01 |
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