CN104977048A - FCT automatic testing method for air conditioner - Google Patents
FCT automatic testing method for air conditioner Download PDFInfo
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- CN104977048A CN104977048A CN201510463906.1A CN201510463906A CN104977048A CN 104977048 A CN104977048 A CN 104977048A CN 201510463906 A CN201510463906 A CN 201510463906A CN 104977048 A CN104977048 A CN 104977048A
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Abstract
The invention discloses an FCT automatic testing method for an air conditioner, which comprises a relay testing method, a PG motor testing method, a power supply voltage testing method, an electric controlled plate press current testing method, a temperature sensor testing method and a stepping motor testing method. Furthermore a system determines whether the quality of the tested air conditioner is qualified according to the testing results which are acquired according to the testing methods.
Description
Technical field
The present invention relates to air conditioner production technical field, particularly relate to a kind of FCT automatic testing method of air conditioner.
Background technology
FCT(functional test) refer to the running environment (excitation and load) test target plate being provided to simulation, make it work in various design point, thus the parameter getting each state carry out the method for testing of the function quality of validation test Target Board.Briefly, exactly suitable excitation is loaded to test target plate, measure output terminal response and whether meet the requirements.
In current air conditioner production technical field, the automaticity that FCT detects is not high, though want workman to go to observe and judge whether the response of measuring output terminal meets the requirements, and not only wastes manpower, and the efficiency detected is low, error rate is high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one can detect air conditioner fast, automatically gather its testing result and judge the FCT automatic testing method of the air conditioner whether air conditioner is qualified according to its testing result.
In order to realize above object, the technical solution used in the present invention is: a kind of FCT automatic testing method of air conditioner, is characterized in that; Comprise the detection method of relay, the detection method of PG motor, the detection method of supply voltage, the detection method of electric-controlled plate press electric current, the detection method of temperature sensor and the detection method of stepper motor, according to the testing result that above detection method obtains, final system judges that whether detected air conditioner is up-to-standard.
Further, the detection method of described relay comprises the following steps: first export Closed control signal by automatically controlled self-inspection to relay, then anti-interference process is carried out to relay inputting testing terminal and produce electromagnetic interference (EMI) instantaneously to get rid of relay closes, then detected to relay incoming level by port, if relay has output level, it is qualified that output relay detects, if relay does not have output level, output relay detects defective, finally records its testing result by system acquisition.
Further, the detection method of described PG motor comprises the following steps: first export control signal by automatically controlled self-inspection to PG motor, then the anti-interference process of detection port is carried out to get rid of various electromagnetic interference (EMI), the zero passage detection of the Rotating speed measring and PG motor that then carry out PG motor respectively also reads rotating speed and the zero-crossing timing thereof of PG motor respectively, if the rotating speed of PG motor is greater than or less than the parameter area of setting, the abnormal output of PG motor speed is defective, if the rotating speed of PG motor is in the parameter area of setting, it is qualified that PG motor speed normally exports, if the zero-crossing timing of PG motor is greater than or less than the parameter area of setting, the abnormal output of PG motor zero-crossing timing is defective, if the zero-crossing timing of PG motor is in the parameter area of setting, it is qualified that PG motor zero-crossing timing normally exports, last record its testing result by system acquisition.
Further, the detection method of described supply voltage comprises the following steps: first carry out anti-interference process to the detection port of supply voltage and locate electromagnetic interference (EMI) with row, then supply voltage detected and read the AD value of voltage signal, if AD value is greater than or less than setup parameter scope, detects electric voltage exception and export defective, normally export qualified if AD value in the parameter area of setting, detects voltage, finally record its testing result by system acquisition.
Further, the detection method of described electric-controlled plate press electric current comprises the following steps: first carry out anti-interference process to the detection port of electric-controlled plate press electric current and locate electromagnetic interference (EMI) with row, then electric-controlled plate press electric current detected and read the AD value of current signal, if AD value is greater than or less than setup parameter scope, detects current anomaly and export defective, normally export qualified if AD value in the parameter area of setting, detects electric current, finally record its testing result by system acquisition.
Further, the detection method of described temperature sensor comprises the following steps: first carry out anti-interference process to the detection port of temperature sensor and locate electromagnetic interference (EMI) with row, then temperature sensor detected and read the AD value of temperature signal, if AD value is greater than or less than setup parameter scope, the abnormal output of detected temperatures is defective, if AD value is in the parameter area of setting, it is qualified that detected temperatures normally exports, and finally records its testing result by system acquisition.
Further, the detection method of described stepper motor comprises the following steps: first automatically controlled self-inspection step motor control exports control signal, then anti-interference process is carried out to stepper motor detection port and locate electromagnetic interference (EMI) with row, then detect stepper motor and read the cadence signal of its output port, if cadence signal is normal, it is qualified that stepper motor exports normal output detections, if cadence signal is abnormal, stepper motor output abnormality detects defective, finally records its testing result by system acquisition.
The invention has the beneficial effects as follows: FCT method of testing of the present invention can detect the relay of air conditioner inside, PG motor, supply voltage, automatically controlled pressing plate electric current, temperature sensor and stepper motor, judge that whether it is qualified, and collection and comprehensive analysis are carried out to the testing result of each equipment, whether qualifiedly detect air conditioner fast.
Accompanying drawing explanation
Fig. 1 is the detection method process flow diagram of relay.
Fig. 2 is the detection method process flow diagram of PG motor.
Fig. 3 is the detection method process flow diagram of supply voltage, automatically controlled pressing plate electric current and temperature sensor.
Fig. 4 is the detection method process flow diagram of stepper motor.
Embodiment
Now with specific embodiment, the present invention's technical scheme required for protection is described in further detail by reference to the accompanying drawings.
The FCT automatic testing method of a kind of air conditioner is in the present embodiment tested air conditioner by FCT checkout equipment, the probe on FCT checkout equipment is utilized to export control signal to the corresponding port of pcb board of air conditioner, whether qualifiedly detect its relevant device, and gather its testing result, whether comprehensive analysis air conditioner is qualified.
The FCT automatic testing method of this air conditioner includes the detection method of relay, the detection method of PG motor, the detection method of supply voltage, the detection method of electric-controlled plate press electric current, the detection method of temperature sensor and the detection method of stepper motor, according to the testing result that above detection method obtains, final system judges that whether detected air conditioner is up-to-standard.
Shown in accompanying drawing 1, the detection method of relay comprises the following steps: first export Closed control signal by the probe on FCT checkout equipment to relay and make relay closes, then anti-interference process is carried out to relay inputting testing terminal and produce electromagnetic interference (EMI) instantaneously to get rid of relay closes, anti-interference process is realized in the present embodiment by overlapping anti-interference magnet ring on the plug wire of inputting testing terminal, then detected to relay incoming level by port, if relay has output level, it is qualified that output relay detects, if relay does not have output level, output relay detects defective, last record its testing result by system acquisition,
Shown in accompanying drawing 2, the detection method of PG motor comprises the following steps: first export control signal by the probe on FCT checkout equipment to PG motor and drive PG motor to run, then the anti-interference process of detection port is carried out to get rid of various electromagnetic interference (EMI), anti-interference process is realized in the present embodiment by overlapping anti-interference magnet ring on the plug wire of inputting testing terminal, the zero passage detection of the Rotating speed measring and PG motor that then carry out PG motor respectively also reads rotating speed and the zero-crossing timing thereof of PG motor respectively, if the rotating speed of PG motor is greater than or less than the parameter area of setting, the abnormal output of PG motor speed is defective, if the rotating speed of PG motor is in the parameter area of setting, it is qualified that PG motor speed normally exports, if the zero-crossing timing of PG motor is greater than or less than the parameter area of setting, the abnormal output of PG motor zero-crossing timing is defective, if the zero-crossing timing of PG motor is in the parameter area of setting, it is qualified that PG motor zero-crossing timing normally exports, last record its testing result by system acquisition,
Shown in accompanying drawing 3, the detection method of supply voltage comprises the following steps: first carry out anti-interference process to the detection port of supply voltage and locate electromagnetic interference (EMI) with row, anti-interference process is realized in the present embodiment by overlapping anti-interference magnet ring on the plug wire of inputting testing terminal, then supply voltage detected and read the AD value of voltage signal, if AD value is greater than or less than setup parameter scope, detects electric voltage exception and export defective, normally export qualified if AD value in the parameter area of setting, detects voltage, finally record its testing result by system acquisition;
The detection method of electric-controlled plate press electric current comprises the following steps: first carry out anti-interference process to the detection port of electric-controlled plate press electric current and locate electromagnetic interference (EMI) with row, anti-interference process is realized in the present embodiment by overlapping anti-interference magnet ring on the plug wire of inputting testing terminal, then electric-controlled plate press electric current detected and read the AD value of current signal, if AD value is greater than or less than setup parameter scope, detects current anomaly and export defective, if AD value setting parameter area in, detect electric current normally export qualified, last record its testing result by system acquisition,
The detection method of temperature sensor comprises the following steps: first carry out anti-interference process to the detection port of temperature sensor and locate electromagnetic interference (EMI) with row, anti-interference process is realized in the present embodiment by overlapping anti-interference magnet ring on the plug wire of inputting testing terminal, then temperature sensor detected and read the AD value of temperature signal, if AD value is greater than or less than setup parameter scope, the abnormal output of detected temperatures is defective, if AD value is in the parameter area of setting, it is qualified that detected temperatures normally exports, and finally records its testing result by system acquisition;
Shown in accompanying drawing 4, the detection method of stepper motor comprises the following steps: first export control signal Driving Stepping Motor by the probe on FCT checkout equipment to step motor control and run, then anti-interference process is carried out to stepper motor detection port and locate electromagnetic interference (EMI) with row, anti-interference process is realized in the present embodiment by overlapping anti-interference magnet ring on the plug wire of inputting testing terminal, then detect stepper motor and read the cadence signal of its output port, if cadence signal is normal, it is qualified that stepper motor exports normal output detections, if cadence signal is abnormal, stepper motor output abnormality detects defective, last record its testing result by system acquisition.
Finally, system is analyzed above testing result, if all detections are qualified, then the FCT testing result of air conditioner is qualified, subsequent technique process can be carried out, if air conditioner exports underproof result in some detects, then export underproof detecting portion according to it and delivered in corresponding processing step and do over again.
The embodiment of the above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art, are not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement can utilized to make more how possible variation and retouching to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore all contents not departing from technical solution of the present invention, the equivalent equivalence change that the thinking according to the present invention is done, all should be covered by protection scope of the present invention.
Claims (7)
1. a FCT automatic testing method for air conditioner, is characterized in that; Comprise the detection method of relay, the detection method of PG motor, the detection method of supply voltage, the detection method of electric-controlled plate press electric current, the detection method of temperature sensor and the detection method of stepper motor, according to the testing result that above detection method obtains, final system judges that whether detected air conditioner is up-to-standard.
2. the FCT automatic testing method of a kind of air conditioner according to claim 1, is characterized in that; The detection method of described relay comprises the following steps: first export control signal to relay and make it close, then anti-interference process is carried out to relay inputting testing terminal and produce electromagnetic interference (EMI) instantaneously to get rid of relay closes, then detected to relay incoming level by port, if relay has output level, it is qualified that output relay detects, if relay does not have output level, output relay detects defective, finally records its testing result by system acquisition.
3. the FCT automatic testing method of a kind of air conditioner according to claim 1, is characterized in that, the detection method of described PG motor comprises the following steps: first export control signal to PG motor and drive PG motor, then the anti-interference process of detection port is carried out to get rid of various electromagnetic interference (EMI), the zero passage detection of the Rotating speed measring and PG motor that then carry out PG motor respectively also reads rotating speed and the zero-crossing timing thereof of PG motor respectively, if the rotating speed of PG motor is greater than or less than the parameter area of setting, the abnormal output of PG motor speed is defective, if the rotating speed of PG motor is in the parameter area of setting, it is qualified that PG motor speed normally exports, if the zero-crossing timing of PG motor is greater than or less than the parameter area of setting, the abnormal output of PG motor zero-crossing timing is defective, if the zero-crossing timing of PG motor is in the parameter area of setting, it is qualified that PG motor zero-crossing timing normally exports, last record its testing result by system acquisition.
4. the FCT automatic testing method of a kind of air conditioner according to claim 1, is characterized in that; The detection method of described supply voltage comprises the following steps: first carry out anti-interference process to the detection port of supply voltage and locate electromagnetic interference (EMI) with row, then supply voltage detected and read the AD value of voltage signal, if AD value is greater than or less than setup parameter scope, detects electric voltage exception and export defective, normally export qualified if AD value in the parameter area of setting, detects voltage, finally record its testing result by system acquisition.
5. the FCT automatic testing method of a kind of air conditioner according to claim 1, is characterized in that; The detection method of described electric-controlled plate press electric current comprises the following steps: first carry out anti-interference process to the detection port of electric-controlled plate press electric current and locate electromagnetic interference (EMI) with row, then electric-controlled plate press electric current detected and read the AD value of current signal, if AD value is greater than or less than setup parameter scope, detects current anomaly and export defective, normally export qualified if AD value in the parameter area of setting, detects electric current, finally record its testing result by system acquisition.
6. the FCT automatic testing method of a kind of air conditioner according to claim 1, is characterized in that; The detection method of described temperature sensor comprises the following steps: first carry out anti-interference process to the detection port of temperature sensor and locate electromagnetic interference (EMI) with row, then temperature sensor detected and read the AD value of temperature signal, if AD value is greater than or less than setup parameter scope, the abnormal output of detected temperatures is defective, if AD value is in the parameter area of setting, it is qualified that detected temperatures normally exports, and finally records its testing result by system acquisition.
7. the FCT automatic testing method of a kind of air conditioner according to claim 1, is characterized in that; The detection method of described stepper motor comprises the following steps: first export control signal Driving Stepping Motor to step motor control and run, then anti-interference process is carried out to stepper motor detection port and locate electromagnetic interference (EMI) with row, then detect stepper motor and read the cadence signal of its output port, if cadence signal is normal, it is qualified that stepper motor exports normal output detections, if cadence signal is abnormal, stepper motor output abnormality detects defective, finally records its testing result by system acquisition.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106291315A (en) * | 2016-07-25 | 2017-01-04 | 安徽中家智康科技有限公司 | The automatic test approach of domestic air conditioning panel FCT detecting tool |
| CN108413559A (en) * | 2018-02-28 | 2018-08-17 | 珠海格力电器股份有限公司 | Air outlet device and its filter screen dirtying block up detection method, device, storage medium |
| CN108873869A (en) * | 2018-07-31 | 2018-11-23 | 佛山市中格威电子有限公司 | A kind of FCT test macro for air-conditioning master control borad |
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| CN201222086Y (en) * | 2008-05-06 | 2009-04-15 | Tcl集团股份有限公司 | Detection device for air conditioner |
| CN101762786A (en) * | 2010-01-04 | 2010-06-30 | 宁波海诚电器有限公司 | Automatic detection method of fault of program guidance (PG) motor |
| CN103513120A (en) * | 2012-06-25 | 2014-01-15 | 珠海格力电器股份有限公司 | Test system of air conditioner and method thereof |
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| CN201222086Y (en) * | 2008-05-06 | 2009-04-15 | Tcl集团股份有限公司 | Detection device for air conditioner |
| CN101762786A (en) * | 2010-01-04 | 2010-06-30 | 宁波海诚电器有限公司 | Automatic detection method of fault of program guidance (PG) motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106291315A (en) * | 2016-07-25 | 2017-01-04 | 安徽中家智康科技有限公司 | The automatic test approach of domestic air conditioning panel FCT detecting tool |
| CN108413559A (en) * | 2018-02-28 | 2018-08-17 | 珠海格力电器股份有限公司 | Air outlet device and its filter screen dirtying block up detection method, device, storage medium |
| CN108873869A (en) * | 2018-07-31 | 2018-11-23 | 佛山市中格威电子有限公司 | A kind of FCT test macro for air-conditioning master control borad |
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Application publication date: 20151014 |