CN104343671A - Air pump performance test system - Google Patents
Air pump performance test system Download PDFInfo
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- CN104343671A CN104343671A CN201310330185.8A CN201310330185A CN104343671A CN 104343671 A CN104343671 A CN 104343671A CN 201310330185 A CN201310330185 A CN 201310330185A CN 104343671 A CN104343671 A CN 104343671A
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- air pump
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- signal conditioning
- conditioning circuit
- test system
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Abstract
An air pump performance test system comprises an upper computer, a data collection module, a signal conditioning circuit, an air pump, a gas pressure sensor, a gas flow sensor, a power circuit, a pneumatic loop, a one-way valve, a first three-way connector, a second three-way connector, a gas holder, a manual vent valve and a safety valve. The upper computer is used as a system control and test core; no user operation test system software is provided in the upper computer; the upper computer sends out a control signal; the data collection module and the signal conditioning circuit drive the air pump and feed a pressure signal of the gas pressure sensor and a flow signal of the gas flow sensor back to the upper computer; test system software judges whether or not the performance of the air pump is normal according to the fed signals. The air pump performance test system is simple in structure, low in manufacturing cost, convenient to operate, stable in performance and high in intelligence level.
Description
Technical field
The present invention relates to a kind of electronic instrument, particularly a kind of air pump Performance Test System.
Background technique
Air pump is from an enclosed space deaeration or a kind of device adding air from enclosed space, is power source important in pressure system.Electric air pump take electric power as the air pump of power, by electric power ceaselessly pressurized air, produces air pressure.The normal operation of the performance impact pressure system of air pump, and high for some control overflow, and accuracy requires high system, and the flow, flow velocity, pressure etc. of air pump also require accurate as much as possible.So the quality detecting air pump performance is the guarantee of system stability.Gas pump performance mainly sees flow, pressure and other parameters, so the flow of detection air pump, these two important parameters of pressure are the tests be highly profitable.
In air pump testing property in the past, be usually utilize conventional indicating meter and control apparatus, use pressure and the rotating speed of manual tune air pump, after the rating value that making it is up to state standards specifies, situation at different ambient temperatures, carries out artificial reading, the record of tens parameters; Carry out tabling look-up according to the requirement of GB again, the process of the data such as calculating, finally obtain gas technical data required for the pump.Such operating process 1 day at least, several days and last resultant error is larger at most.
Summary of the invention
Object of the present invention, is just to solve the problem, and provides a kind of air pump Performance Test System.
The object of the present invention is achieved like this: a kind of air pump Performance Test System, and it comprises:
Upper-position unit, inside establishes user operation testing system software, sends control signal during test to system, and judges gas pump performance according to feedback signal;
Data acquisition module, itself and upper-position unit telecom-connect, and the control signal of upper-position unit is transferred to air pump, and by the flow feedback Signal transmissions of the pressure feedback signal of gas pressure sensor and gas flow sensor to upper-position unit;
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;
Gas flow sensor, itself and signal conditioning circuit telecom-connect and the gas flow data detected are transferred to signal conditioning circuit;
Pneumatic circuit, is connected with air pump, gas pressure sensor, gas flow sensor respectively by gas circuit;
Power circuit, is connected to them with air pump, data acquisition module, signal conditioning circuit, gas pressure sensor, gas flow sensor respectively by electric wire and provides working power.
Described pneumatic circuit comprises one-way valve, the first tee union, the second tee union, gas holder and the Manual air-release valves that order is connected, and is connected with safety valve at another interface of the first tee union; Described air pump is connected to the front end of one-way valve; Described gas pressure sensor is connected with another interface of the second tee union; Described gas flow sensor is serially connected between the second tee union and gas holder.
Described upper-position unit 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 VDC respectively to data acquisition module, signal conditioning circuit, gas pressure sensor, gas flow sensor.
The present invention can according to gas pressure sensor feedback pressure signal and gas flow sensor feedback flux signal, judge the quality of air pump performance, and test data be stored in upper-position unit, and by man-machine interface and operator mutual.This test system structure is simple, economical, easy to operate, and test result is accurate.
Accompanying drawing explanation
Fig. 1 is the structural representation of test system of the present invention;
Fig. 2 is working procedure flow chart of the present invention.
Embodiment
See Fig. 1, air pump Performance Test System of the present invention, comprises upper-position unit 1, data acquisition module 2, signal conditioning circuit 3, air pump 4, gas pressure sensor 5, gas flow sensor 6, power circuit 7 and pneumatic circuit; Pneumatic circuit comprises one-way valve 8, first tee union 9, second tee union 10, gas holder 11 and the Manual air-release valves 12 that order is connected, and is connected with safety valve 13 at another interface of the first tee union 9; Above-mentioned air pump 4 is connected to the front end of one-way valve 8; Gas pressure sensor 5 is connected with another interface of the second tee union 10; Gas flow sensor 6 is serially connected between the second tee union 10 and gas holder.
User operation testing system software is established in upper-position unit 1, upper-position unit 1 is outwards transmitted control signal by data acquisition module 2, air pump 4 action is controlled through signal conditioning circuit 3, gas pressure sensor 5 and gas flow sensor 6 send pressure feedback signal and flow feedback signal simultaneously, upper-position unit 1 is fed back to again by signal conditioning circuit 3, data acquisition module 2, upper-position unit 1 processes to the received signal, thus judge gas pump performance, calculating pressure value and flow value, result is mutual by man-machine interface and operator, and data are preserved.
Data acquisition module 2 and upper-position unit 1 telecom-connect, the control signal of upper-position unit 1 can be exported to air pump 4 by digital DO mouth, control its break-make, also the flow feedback signal of the pressure feedback signal of gas pressure sensor 5, gas flow sensor 6 can be inputed to upper-position unit 1 by AD conversion.
Signal conditioning circuit 3 and data acquisition module 2 telecom-connect, and this signal conditioning circuit 3 has the function of signal Isolation.
Air pump 4 and signal conditioning circuit telecom-connect.
Gas pressure sensor 5 and signal conditioning circuit telecom-connect and the gas pressure data detected are transferred to signal conditioning circuit.
Gas flow sensor 6 and signal conditioning circuit telecom-connect and the gas flow data detected are transferred to signal conditioning circuit.
Power circuit 7 is connected to them with air pump, data acquisition module, signal conditioning circuit, gas pressure sensor, gas flow sensor respectively by electric wire provides working power.The input power of power circuit 7 is industrial-frequency alternating current 220V 50Hz, by transformation and rectification, provides 220V or 110V alternating voltage to air pump, with the air pump of applicable different operating voltage; And provide 24V, 12V or 5V VDC respectively to data acquisition module, signal conditioning circuit, gas pressure sensor, gas flow sensor.
In the present invention, pneumatic circuit comprises one-way valve 8, first tee union 9, second tee union 10, gas holder 11 and the Manual air-release valves 12 that order is connected, and is connected with safety valve 13 at another interface of the first tee union.Above-mentioned air pump 4 is connected to the front end of one-way valve 9, and gas pressure sensor 5 is connected with another interface of the second tee union, and gas flow sensor 6 is serially connected between the second tee union and gas holder.One-way valve 8, for the unidirectional output gas of air pump 4, prevents gas backflow, avoids gas leakage, and damage air pump.Safety valve 13 carries out pressure release when too high for air pump 4 output pipe abnormal pressure, gas holder 11 internal pressure, prevents overpressure from causing damage to system.Abnormal pressure may betide the situations such as pipeline blockage, air pump 4 fault, one-way valve 8 fault.Second tee union 10 side connects gas pressure sensor 5, opposite side connects gas flow sensor 6, when upper-position unit 1 sends drive singal, air pump is started working, then pressure signal and flux signal are fed back to upper-position unit 1 by gas pressure sensor 5 and gas flow sensor 6, and the pressure feeding back to upper-position unit 1 is the internal pressure of gas holder 11.Manual air-release valves 12 is for discharging the gas in gas holder 11.
Upper-position unit 1 in the present invention adopts serial ports to be connected with between data acquisition module 2, 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.
Working procedure principle of the present invention can be described as follows by composition graphs 2: after system electrification, and start button, enters into test page, booster air pump, writing time t1, gas pressure sensor detects the pressure of air pump in real time, and gas flow sensor detects flux signal in real time, and at upper-position unit display pressure one flow diagram shape curve, observe pressure one flow diagram shape curve whether in the critical field of setting, as in the critical field of setting, then judge that air pump performance is qualified, otherwise, judge that air pump is defective.
Claims (5)
1. an air pump Performance Test System, is characterized in that comprising:
Upper-position unit, inside establishes user operation testing system software, sends control signal during test to system, and judges gas pump performance according to feedback signal;
Data acquisition module, itself and upper-position unit telecom-connect, and the control signal of upper-position unit is transferred to air pump, and by the flow feedback Signal transmissions of the pressure feedback signal of gas pressure sensor and gas flow sensor to upper-position unit;
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;
Gas flow sensor, itself and signal conditioning circuit telecom-connect and the gas flow data detected are transferred to signal conditioning circuit;
Pneumatic circuit, is connected with air pump, gas pressure sensor, gas flow sensor respectively by gas circuit;
Power circuit, is connected to them with air pump, data acquisition module, signal conditioning circuit, gas pressure sensor, gas flow sensor respectively by electric wire and provides working power.
2. air pump Performance Test System according to claim 1, it is characterized in that: described pneumatic circuit comprises one-way valve, the first tee union, the second tee union, gas holder and the Manual air-release valves that order is connected, and is connected with safety valve at another interface of the first tee union; Described air pump is connected to the front end of one-way valve; Described gas pressure sensor is connected with another interface of the second tee union; Described gas flow sensor is serially connected between the second tee union and gas holder.
3. air pump Performance Test System according to claim 1, is characterized in that: described upper-position unit with adopt between data acquisition module that serial ports is connected, usb bus connects or pci bus connects.
4. air pump Performance Test System according to claim 1, is characterized in that: described data acquisition module has analog input AD, analog output DA, digital quantity input DI, digital output DO function.
5. air pump Performance Test System according to claim 1, it is characterized in that: described power circuit provides 220V or 110V alternating voltage to air pump, and provide 24V, 12V or 5V VDC respectively to data acquisition module, signal conditioning circuit, gas pressure sensor, gas flow sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330185.8A CN104343671B (en) | 2013-07-31 | 2013-07-31 | Air pump performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310330185.8A CN104343671B (en) | 2013-07-31 | 2013-07-31 | Air pump performance test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343671A true CN104343671A (en) | 2015-02-11 |
| CN104343671B CN104343671B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310330185.8A Expired - Fee Related CN104343671B (en) | 2013-07-31 | 2013-07-31 | Air pump performance test system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109303476A (en) * | 2017-07-28 | 2019-02-05 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
| CN110296070A (en) * | 2019-07-11 | 2019-10-01 | 广东航品精工科技股份有限公司 | A kind of automobile air suspension system inflator pump automatic checkout system |
| CN111594426A (en) * | 2020-06-04 | 2020-08-28 | 深圳市三分之一睡眠科技有限公司 | Multi-air pump system |
| CN113669239A (en) * | 2020-05-14 | 2021-11-19 | 研能科技股份有限公司 | Reinforcement method for thin pump |
| CN114618058A (en) * | 2022-03-11 | 2022-06-14 | 浙江宜格企业管理集团有限公司 | Gas pressure control method, system and equipment of beauty instrument |
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| CN109303476A (en) * | 2017-07-28 | 2019-02-05 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
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| CN113669239A (en) * | 2020-05-14 | 2021-11-19 | 研能科技股份有限公司 | Reinforcement method for thin pump |
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| WO2021243792A1 (en) * | 2020-06-04 | 2021-12-09 | 深圳市三分之一睡眠科技有限公司 | Multi-air pump system |
| CN114618058A (en) * | 2022-03-11 | 2022-06-14 | 浙江宜格企业管理集团有限公司 | Gas pressure control method, system and equipment of beauty instrument |
| CN114618058B (en) * | 2022-03-11 | 2024-05-07 | 杭州时光机智能电子科技有限公司 | Gas pressure control method, system and equipment for beauty instrument |
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|---|---|
| CN104343671B (en) | 2016-05-11 |
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Granted publication date: 20160511 Termination date: 20190731 |