CN1881185A - Computer controlled fan device reliability testing system - Google Patents
Computer controlled fan device reliability testing system Download PDFInfo
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- CN1881185A CN1881185A CNA2005100770750A CN200510077075A CN1881185A CN 1881185 A CN1881185 A CN 1881185A CN A2005100770750 A CNA2005100770750 A CN A2005100770750A CN 200510077075 A CN200510077075 A CN 200510077075A CN 1881185 A CN1881185 A CN 1881185A
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Abstract
The invention relates to a fan reliability test system controlled by computer, which tests the reliability of one group of fan via the automatic method controlled by computer, wherein said test system comprises: group fan contact module, main detecting module, program control power resource module, rotational speed control signal generating module and a rotation character testing module. The invention uses automatic method to test the reliability of one group of fans, and can test variable rotation characters, which comprise the consumed current, the total consumed current of all fans, the fan unavailable signal and circulate rotation speed signal of single fan; and the invention can use computer to record and collect all test information, to improve the efficiency of test program.
Description
Technical field
The invention relates to a kind of automatization testing technique, particularly about a kind of computer-controlled fan device reliability testing system, to one group of fan assembly, for example the fan type radiating device used of electronic system carries out reliability testing by computer-controlled robotization mode.
Background technology
Electronic system in operating process regular meeting because the consumption of electric energy produces heat.If this heat is not in time got rid of, may burn circuit component or chip in the electronic system, cause the electronic system damage.The solution that this problem is general is in the organism frame of electronic system heat abstractor to be set, and for example fan heat sink or refrigerant heat abstractor are got rid of the heat that electronic system produces whereby in operating process.For example; usually be provided with one or more fan heat sink in the organism frame of the desktop PC or the webserver; utilize wind-force to dispel the heat that desktop PC or the webserver produce in operating process, protection internal host circuit can be because of overheated generation damage situation.
On product is made, after fan heat sink is finished manufacturing, need usually at first finished product to be carried out reliability testing, test the whether normally operation of each fan heat sink.Normal at present a kind of reliability testing of adopting is to be seated in a plurality of fan assemblys to be measured in the high-temperature cabinet simultaneously, and these fan assemblys are connected to same power supply with parallel way, whether drive these fan assembly runnings, testing each fan assembly can normally operation under hot environment.Then whether normal if will test the rotating speed of each fan assembly, then need all fan assemblys are moved another test platform from high-temperature cabinet, and on this test platform, for example utilize the rotating speed stroboscope that all fan assemblys are carried out measurement of rotating speed one by one; And after finishing measurement of rotating speed, each fan assembly is moved back to carry out hot environment running test procedure in the high-temperature cabinet again.
The shortcoming of the fan device reliability test mode in the practical application is, need fan assembly to be measured be moved between high-temperature cabinet and measurement of rotating speed platform with manual type, relatively wastes time and energy and inefficent.In addition, above-mentioned test mode can't be measured other service performance of fan: and the wastage in bulk or weight electric current of the current sinking of single fan assembly and all fan assemblys and the fan fails signal of single fan assembly (Fan Fault, FF) and circulation tach signal (RevolutionSignal).Moreover, when carrying out test procedure, the operating voltage of each fan assembly can change with the change of its rotating speed, therefore cause operating voltage can't be fixed as a standard value, make manufacturer on IQC (Integrated Quality Control) QC, can't set up unified testing standard standard.In addition since the result that obtains of above-mentioned test mode all be with the manual type record and gather test data, the data information housekeeping of test result is wasted time and energy and inefficent.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, fundamental purpose of the present invention is to provide a kind of computer-controlled fan device reliability testing system, allow test procedure on same test platform, once finish, needn't fan assembly to be measured be moved between different test platforms with manual type.
Another object of the present invention is to provide a kind of computer-controlled fan device reliability testing system, can measure following service performance: (Fan Fault is FF) with circulation tach signal (Revolution Signal) for the wastage in bulk or weight electric current of the current sinking of single fan assembly and all fan assemblys and the fan fails signal of single fan assembly.
Another purpose of the present invention is to provide a kind of computer-controlled fan device reliability testing system, and available computers robotization mode writes down and gathers all test result data.
Computer-controlled fan device reliability testing system of the present invention be in computer-controlled robotization mode to one group of fan assembly, for example the fan type radiating device used of electronic system carries out reliability testing.
Computer-controlled fan device reliability testing system of the present invention comprises at least: group-wise fan assembly overlap joint module can overlap a plurality of fan assemblys to be measured simultaneously; Main monitoring module, it is the test procedure monitoring function of controlling that the people is provided; The programmable power supply module, it is controlled in this main monitoring module, produces driving power, and this driving power is arrived each fan assembly to be measured via this group-wise fan assembly seaming die block transfer, drives each fan assembly running to be measured; The speed controling signal generation module, be controlled by this main monitoring module, produce speed controling signal, and this speed controling signal is arrived each fan assembly to be measured via this group-wise fan assembly seaming die block transfer, make each fan assembly to be measured turn round with the rotating speed of appointment; And service performance detection module, when the speed controling signal that receives the driving power of this programmable power supply module output and the output of this speed controling signal generation module at each fan assembly to be measured turns round, by the signal of each fan assembly to be measured by this group-wise fan assembly overlap joint module passback, detect one group of specific service performance of each fan assembly to be measured, and produce one group of service performance information according to detected each service performance, and these service performance information are sent to this main monitoring module.
In sum, computer-controlled fan device reliability testing system of the present invention utilizes computer-controlled robotization mode simultaneously one group of fan assembly to be carried out collective's test, test procedure is once finished on same test platform, in test process, do not need to use fan assembly to be measured is moved between different test platforms with manual type, and can measure multiple service performance simultaneously, the current sinking and the wastage in bulk or weight electric current of all fan assembly and the fan fails signal and the circulation tach signal of single fan assembly that comprise single fan assembly, and can utilize the computer automation mode to write down and gather all test result data, make that the test procedure of fan assembly is more time saving and energy saving and have higher efficient.
Description of drawings
Fig. 1 is the application mode and the modular basic system structure thereof of computer-controlled fan device reliability testing system of the present invention.
Fig. 2 is the inner structure of the service performance detection module of computer-controlled fan device reliability testing system employing of the present invention.
Embodiment
Embodiment
Following conjunction with figs. describes the embodiment of computer-controlled fan device reliability testing system of the present invention in detail.
Fig. 1 is the application mode and the modular basic system structure thereof of computer-controlled fan device reliability testing system of the present invention (part that comprises as the frame of broken lines of label 100 indications).As shown in the figure, be to be used in computer-controlled robotization mode in computer-controlled fan device reliability testing system 100 practical applications of the present invention simultaneously to one group of fan assembly 10, for example the fan type radiating device used of computer system carries out reliability testing.
The entity structure of computer-controlled fan device reliability testing system 100 of the present invention comprises at least: (a) group-wise fan assembly overlap joint module 110; (b) main monitoring module 120; (c) the programmable power supply module 130; (d) the speed controling signal generation module 140; And (e) service performance detection module 150.
Group-wise fan assembly overlap joint module 110 overlaps a plurality of fan assemblys to be measured 10 simultaneously in group's mode, computer-controlled fan device reliability testing system 100 of the present invention can be simultaneously by this group-wise fan assembly overlap joint module 110, the speed controling signal of driving power and test usefulness is sent to each fan assembly 10 to be measured, and it also extracts the electronic signal of every service performance from each fan assembly 10 to be measured.On concrete the enforcement, this group-wise fan assembly overlap joint module 110 for example is to be used for overlap joint at least 64 fan assemblys to be measured (in Fig. 1, only exemplarily showing 5 fan assemblys to be measured), and the fan assembly number that can overlap is also unrestricted.
Main monitoring module 120 for example is to realize in the computer program mode, and this computer program carried to computer platform 20, and this computer platform 20 is connected to programmable power supply module 130, speed controling signal generation module 140 and service performance detection module 150 by specific transmission interface, and providing the people to user's (being the tester) is the test procedure monitoring function of controlling; Just can allow the tester pass through the keyboard 21 of this computer platform 20, set the correlation parameter setting value of the speed controling signal of driving power and test usefulness, so as to controlling the speed controling signal that programmable power supply module 130 and speed controling signal generation module 140 produce required driving power and test usefulness respectively; And can receive the service performance information (being the related data data of test result) of the representative test result that service performance detection module 150 produces, and these service performance information are presented at screen 22, allow the tester understand these information.
Programmable power supply module 130 is controlled by above-mentioned main monitoring module 120, program control power supply output function (Programmable Voltage Control) is provided, so as to producing driving power, DC current for example, and the big or small user of this DC current can be set in a preset range arbitrarily by above-mentioned main monitoring module 120, for example 0V-30V/86A (but the adjustable extent of this driving power is a kind of design alternative of randomness); And and then this driving power is sent to above-mentioned group-wise fan assembly overlap joint module 110, be sent to each fan assembly 10 to be measured by this group-wise fan assembly overlap joint module 110.
Speed controling signal generation module 140 is controlled by above-mentioned main monitoring module 130, produce speed controling signal, and this speed controling signal is sent to this group-wise fan assembly overlap joint module 110, be sent to each fan assembly 10 to be measured by this group-wise fan assembly overlap joint module 110.On concrete the enforcement, the speed controling signal that this speed controling signal generation module 140 produces for example can be width modulation (Pulse Width Modulation, PWM) signal or a linear voltage.If adopt the PWM method for controlling number of revolution, then speed controling signal generation module 140 can be by the user by above-mentioned main monitoring module 120, pwm signal is set to required numerical value with its frequency, work pulsewidth ratio (duty cycle) and amplitude with manual type arbitrarily in preset range, the adjustable extent of its medium frequency for example is 10Hz-200kHz, the adjustable extent of work pulsewidth ratio for example is 1% to 99%, and the adjustable extent of amplitude for example is 0 to 15V (volt).Otherwise if adopt the linear voltage method for controlling number of revolution, then speed controling signal generation module 140 can be by the user by above-mentioned main monitoring module 120, this linear voltage is set at needed numerical value arbitrarily in preset range, wherein the adjustable extent of voltage for example is 0 to 15V.The scope of the controlled variable of these adjustabilitys is a kind of design alternative of randomness.
When the speed controling signal that service performance detection module 150 receives the driving power of above-mentioned programmable power supply module 130 outputs and 140 outputs of above-mentioned speed controling signal generation module at each fan assembly to be measured turns round, by the signal of each fan assembly 10 to be measured by these group-wise fan assembly overlap joint module 110 passbacks, detect one group of specific service performance of each fan assembly 10 to be measured, and according to the related data data that detects each service performance, produce service performance information, and these service performance information are returned to this main monitoring module 120.As shown in Figure 2, on concrete the enforcement, the inner structure of this service performance detection module 150 for example comprises: (e1) rotation speed detection unit 151; (e2) circulation tach signal detecting unit 152; (e3) the disablement signal detecting unit 153; And (e4) current sinking detecting unit 154.
When the speed controling signal that rotation speed detection unit 151 receives the driving power of above-mentioned programmable power supply module 130 outputs and 140 outputs of above-mentioned speed controling signal generation module at each fan assembly to be measured turns round, detect the rotating speed of each fan assembly 10 to be measured successively, and according to detected tachometer value, produce rotary speed property information, and this rotary speed property information is returned to this main monitoring module 120.
When the speed controling signal that circulation tach signal detecting unit 152 receives the driving power of above-mentioned programmable power supply module 130 outputs and 140 outputs of above-mentioned speed controling signal generation module at each fan assembly to be measured turns round, detect the circulation tach signal (Revolution Signal) of each fan assembly 10 to be measured successively, and according to detected circulation tach signal characteristic, produce circulation tach signal characteristic information, and this circulation tach signal characteristic information is returned to this main monitoring module 120.
When the speed controling signal that disablement signal detecting unit 153 receives the driving power of above-mentioned programmable power supply module 130 outputs and 140 outputs of above-mentioned speed controling signal generation module at each fan assembly to be measured turns round, detect fan fails (Fan Fault) signal of each fan assembly 10 to be measured successively, and produce the disablement signal characteristic information according to detected disablement signal characteristic, and and then this disablement signal characteristic information returned to this main monitoring module 120.
When the speed controling signal that current sinking detecting unit 154 receives the driving power of above-mentioned programmable power supply module 130 outputs and 140 outputs of above-mentioned speed controling signal generation module at each fan assembly to be measured turns round, detect the average consumed cur-rent of each fan assembly 10 to be measured and the wastage in bulk or weight electric current of all fan assemblys 10 successively, and according to detected data information, produce current sinking information, and and then this current sinking information returned to this main monitoring module 120.
Please consult Fig. 1 and Fig. 2 simultaneously, during practical application, user's (being the tester) is with one group of fan assembly 10 to be measured (for example 64 desk fan devices), snap into computer-controlled fan device reliability testing system 100 of the present invention by group-wise fan assembly overlap joint module 110, then utilize main monitoring module 120 to set the driving voltage of test procedure use and the relevant controlled variable of speed controling signal, make main monitoring module 120 according to these control parameter value, control programmable power supply module 130 produces the drive current of corresponding numerical value, output to each fan assembly 10 to be measured of overlap joint on this group-wise fan assembly overlap joint module 110, and with the corresponding speed controling signal of seasonal speed controling signal generation module 140 generations, output to each fan assembly 10 to be measured of overlap joint on this group-wise fan assembly overlap joint module 110, make each fan assembly 10 entrys into service to be measured.
When service performance detection module 150 turns round at each fan assembly 10 to be measured,, detect one group of specific service performance of each fan assembly 10 to be measured by the signal of each fan assembly 10 to be measured by these group-wise fan assembly overlap joint module 110 passbacks.Just utilize rotation speed detection unit 151 to detect the rotating speed of each fan assembly to be measured, and, produce rotary speed property information, and this rotary speed property information is returned to this main monitoring module 120 according to detected rotary speed property; Utilize circulation tach signal detecting unit 152 to detect the circulation tach signal (Revolution Signal) of each fan assembly 10 to be measured, and produce circulation tach signal characteristic information according to detected circulation tach signal characteristic, and this circulation tach signal characteristic information is returned to this main monitoring module 120; Utilize disablement signal detecting unit 153 to detect fan fails (Fan Fault) signal of each fan assembly 10 to be measured, and produce the disablement signal characteristic information according to detected disablement signal characteristic, and this disablement signal characteristic information is returned to this main monitoring module 120; And utilize current sinking detecting unit 154 to detect the average consumed cur-rent of each fan assembly 10 to be measured and the wastage in bulk or weight electric current of all fan assemblys 10, and produce current sinking information according to detected data information, and this current sinking information is returned to this main monitoring module 120.
The test result information that main monitoring module 120 is passed above-mentioned rotation speed detection unit 151, circulation tach signal detecting unit 152, disablement signal detecting unit 153 and current sinking detecting unit 154 respectively back (being rotary speed property information, circulation tach signal characteristic information, disablement signal characteristic information and current sinking information), be presented on the screen 22 of computer platform 20 and inform the tester, and these test result informations can be aggregated into automatically a Electronic Testing report file 201, be and offer each the relevant person in charge and staff.
Generally speaking, the invention provides a kind of computer-controlled fan device reliability testing system of novelty, it carries out reliability testing in computer-controlled robotization mode to one group of fan assembly, it utilizes computer-controlled robotization mode simultaneously one group of fan assembly to be carried out test procedure in collective's mode, and can measure multiple service performance simultaneously, the current sinking and the wastage in bulk or weight electric current of all fan assemblys and the fan fails signal and the circulation tach signal of single fan assembly that comprise single fan assembly, and can and then utilize the computer automation mode to write down and gather all test result data, make that the test procedure of fan assembly is more time saving and energy saving and have higher efficient.
Claims (8)
1. a computer-controlled fan device reliability testing system carries out reliability testing to a plurality of fan assemblys, it is characterized in that, this computer-controlled fan device reliability testing system comprises at least:
Group-wise fan assembly overlap joint module can overlap a plurality of fan assemblys to be measured simultaneously;
Main monitoring module, it is the test procedure monitoring function of controlling that the people is provided;
The programmable power supply module, it is controlled in this main monitoring module, produces driving power, and this driving power is arrived each fan assembly to be measured via this group-wise fan assembly seaming die block transfer, drives each fan assembly running to be measured;
The speed controling signal generation module, be controlled by this main monitoring module, produce speed controling signal, and this speed controling signal is arrived each fan assembly to be measured via this group-wise fan assembly seaming die block transfer, make each fan assembly to be measured turn round with the rotating speed of appointment; And
The service performance detection module, when the speed controling signal that receives the driving power of this programmable power supply module output and the output of this speed controling signal generation module at each fan assembly to be measured turns round, by the signal of each fan assembly to be measured by this group-wise fan assembly overlap joint module passback, detect one group of specific service performance of each fan assembly to be measured, and produce one group of service performance information according to detected each service performance, and these service performance information are sent to this main monitoring module.
2. computer-controlled fan device reliability testing system as claimed in claim 1 is characterized in that, the speed controling signal that this speed controling signal generation module produces is a pulse-width signal.
3. computer-controlled fan device reliability testing system as claimed in claim 1 is characterized in that, the speed controling signal that this speed controling signal generation module produces is a linear voltage.
4. computer-controlled fan device reliability testing system as claimed in claim 1 is characterized in that, this service performance detection module comprises:
Rotation speed detection unit, receive speed controling signal that this speed controling signal generation module produces when turning round at each fan assembly to be measured, detect the tachometer value of each fan assembly to be measured, and produce rotary speed property information according to detected rotary speed property, and this rotary speed property information is sent to this main monitoring module.
5. computer-controlled fan device reliability testing system as claimed in claim 1 is characterized in that, this service performance detection module comprises:
Circulation tach signal detecting unit, receive speed controling signal that this speed controling signal generation module produces when turning round at each fan assembly to be measured, detect the circulation tach signal of each fan assembly to be measured, and produce circulation tach signal characteristic information according to detected circulation tach signal characteristic, and this circulation tach signal characteristic information is sent to this main monitoring module.
6. computer-controlled fan device reliability testing system as claimed in claim 1 is characterized in that, this service performance detection module comprises:
The disablement signal detecting unit, receive speed controling signal that this speed controling signal generation module produces when turning round at each fan assembly to be measured, detect the disablement signal of each fan assembly to be measured, and produce the disablement signal characteristic information according to detected disablement signal characteristic, and this disablement signal characteristic information is sent to this main monitoring module.
7. computer-controlled fan device reliability testing system as claimed in claim 1 is characterized in that, this service performance detection module comprises:
The current sinking detecting unit, receive speed controling signal that this speed controling signal generation module produces when turning round at each fan assembly to be measured, detect the average consumed cur-rent of each fan assembly to be measured and the wastage in bulk or weight electric current of all fan assemblys, and produce current sinking information according to detected data information, and this current sinking information is returned to this main monitoring module.
8. computer-controlled fan device reliability testing system as claimed in claim 1 is characterized in that, this main monitoring module also is aggregated into a Electronic Testing report file automatically with the test result information of this service performance detection module passback.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005100770750A CN1881185A (en) | 2005-06-15 | 2005-06-15 | Computer controlled fan device reliability testing system |
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| CNA2005100770750A CN1881185A (en) | 2005-06-15 | 2005-06-15 | Computer controlled fan device reliability testing system |
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| CN1881185A true CN1881185A (en) | 2006-12-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929457A (en) * | 2010-08-27 | 2010-12-29 | 浙江理工大学 | Mini-fan performance test system based on human-computer interaction interface |
| CN101621058B (en) * | 2008-07-01 | 2011-05-11 | 陞达科技股份有限公司 | Method capable of amending properties of integrated circuit |
| CN110320060A (en) * | 2019-06-24 | 2019-10-11 | 北京航天光华电子技术有限公司 | A kind of aerofoil fan screening test system |
| CN111075743A (en) * | 2019-11-27 | 2020-04-28 | 宁波奥克斯电气股份有限公司 | Automatic test method and test device for fan reliability |
-
2005
- 2005-06-15 CN CNA2005100770750A patent/CN1881185A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621058B (en) * | 2008-07-01 | 2011-05-11 | 陞达科技股份有限公司 | Method capable of amending properties of integrated circuit |
| CN101929457A (en) * | 2010-08-27 | 2010-12-29 | 浙江理工大学 | Mini-fan performance test system based on human-computer interaction interface |
| CN101929457B (en) * | 2010-08-27 | 2012-01-25 | 浙江理工大学 | Mini-fan performance test system based on human-computer interaction interface |
| CN110320060A (en) * | 2019-06-24 | 2019-10-11 | 北京航天光华电子技术有限公司 | A kind of aerofoil fan screening test system |
| CN111075743A (en) * | 2019-11-27 | 2020-04-28 | 宁波奥克斯电气股份有限公司 | Automatic test method and test device for fan reliability |
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