CN102022314B - Testing tool and testing system of fan - Google Patents
Testing tool and testing system of fan Download PDFInfo
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- CN102022314B CN102022314B CN 200910170343 CN200910170343A CN102022314B CN 102022314 B CN102022314 B CN 102022314B CN 200910170343 CN200910170343 CN 200910170343 CN 200910170343 A CN200910170343 A CN 200910170343A CN 102022314 B CN102022314 B CN 102022314B
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- fan
- controller
- control signal
- crank pulses
- measurement jig
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Abstract
A testing tool which is used for testing plural fans comprises a main controller, a secondary controller, and a switching unit. The main controller emits a first control signal and a second control signal. The secondary controller generates a running signal according to the first control signal. The switching unit optionally transmits the running signal to one of the fans according to the second control signal. A first fan begins to run when the first fan which is one of the fans receives the running signal. The secondary controller monitors the first fan, and transmits the monitoring result to the main controller.
Description
Technical field
The present invention is relevant a kind of measurement jig, particularly relevant a kind of measurement jig of testing fan performance.
Background technique
Fig. 1 is the schematic diagram of known technology fan testing jig.As shown in the figure, the measurement jig of known technology is by power supply unit 110, provides operating voltage to give fan 131～135, so that fan 131～135 full-speed operations.Yet such measurement jig can only judge whether fan can turn round.As for the rotating speed of fan, then need the hand-held rotating speed device (not shown) by the tester, facing to the fan of wish test, measure.
Yet the angle of measurement (being that the rotating speed device is facing to the angle of fan) must be quite accurate.Otherwise when the angle of measuring to some extent during deviation, the result of measurement will have very large error.For example, if take measurement of an angle when correct, the rotating speed of resulting fan may turn for 4500.Yet when when taking measurement of an angle deviation occuring, measured rotation speed of the fan may only have 3500 to turn.
Therefore, seeing through the measurement jig of known technology, is the relation that can't accurately obtain between rotation speed of the fan and the operating voltage.In addition, after through long test (burn-in), the measurement jig of known technology can't be judged, and whether the starting resistor of fan is kept normally, also can't detect by rotating speed to change and the noise problem of generation.
Summary of the invention
The invention provides a kind of measurement jig, be used for testing plural fan.Measurement jig comprises, a master controller, controller and switch the unit.Master controller sends one first control signal and one second control signal.Inferior controller produces a CRANK PULSES according to the first control signal.Switching unit optionally is sent to CRANK PULSES the one of these fans according to the second control signal.When one first fan in these fans receives CRANK PULSES, the first fan entry into service.Inferior controller monitoring the first fan, and a monitored results is sent to master controller.
The present invention provides a kind of test system in addition, comprises plural fan, a measurement jig and a treatment device.Measurement jig optionally is sent to a CRANK PULSES one of these fans.When one first fan in these fans receives this CRANK PULSES, the first fan entry into service, measurement jig is monitored this first fan, and produces a monitored results.Treatment device is carried out a specific action according to monitored results.
For the features and advantages of the present invention can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended accompanying drawing, be described in detail below:
Description of drawings
Fig. 1 is the schematic diagram of known technology fan testing jig.
Fig. 2 is the schematic diagram of test system of the present invention.
Fig. 3 is another schematic diagram of measurement jig of the present invention.
Fig. 4 is that one of switching unit of the present invention may embodiment.
Embodiment
Fig. 2 is the schematic diagram of test system of the present invention.Test system 200 comprises, fan 251～25N, treatment device 210 and measurement jig 230.Measurement jig 230 is used for monitoring fan 251～25N.Treatment device 210 can according to the monitored results of measurement jig 230, be carried out a specific action.One may embodiment in, specific action is that the monitored results with measurement jig 230 is presented in the screen.In another possibility embodiment, specific action is to make measurement jig 230 again to fan 251～25N continuation test in various degree.In other embodiments, specific action is the monitored results of utilizing measurement jig 230, produces the corresponding characteristic curve of fan 251～25N.
In addition, treatment device 210 can be a personal computer (PC), but is not to limit the present invention.So long as according to the monitored results of measurement jig 230, carry out the device of a specific action, all can be used as treatment device 210.In the present embodiment, treatment device 210 sees through a data/address bus 270, carries out data transmission with measurement jig 230.In a possibility embodiment, data/address bus 270 is to be a universal serial bus (Universal Serial Bus; USB).In other embodiments, can utilize other bus (such as RS-232) as data/address bus 270.
As shown in Figure 2, measurement jig 230 comprises, master controller 231, inferior controller 233 and switching unit 235.Master controller 231 sends control signal S
C1And S
C2In the present embodiment, master controller 231 is to see through an inter-integrated circuit bus (Inter-IntegratedCircuit Bus; Hereinafter to be referred as I2C Bus), transfer control signal S
C1And S
C2
Although master controller 231 utilizes identical transmission line, transfer control signal S
C1And S
C2, but according to the characteristic of I2C Bus, master controller 231 can be with control signal S
C1Be sent to time controller 233, or with control signal S
C2Be sent to switching unit 235.Because the characteristic of I2CBus is known very well by related domain personage, therefore repeat no more.
Switching unit 235 is according to control signal S
C2, optionally with CRANK PULSES S
OPRBe sent to the one of fan 251～25N.In a possibility embodiment, switching unit 235 is with CRANK PULSES S
OPR, be sent in order 251～25N, but be not to limit the present invention.In other embodiments, master controller 231 can be by control signal S
C2, determine CRANK PULSES S
OPRBe sent to which fan.
In addition, the present invention does not limit the quantity of fan.Be simplified illustration, below only take fan 251 and 252 as example.For example, receive CRANK PULSES S when fan 251
OPRThe time, just entry into service of fan 251.At this moment, inferior controller 233 sees through switching unit 235, monitors fan 251, and monitored results (the first monitored results) is sent to master controller 231.
In a possibility embodiment, master controller 231 directly is sent to monitored results treatment device 210, so that treatment device 210 is carried out a specific action directly according to the monitored results of measurement jig 230.In another embodiment, master controller 231 is processed first monitored results, and then the result after will processing is sent to treatment device 210.In this example, treatment device 210 is carried out a specific action indirectly according to the monitored results of measurement jig 230.
In another possibility embodiment, switching unit 235 is then with CRANK PULSES S
OPRBe sent to fan 252.In this example, when fan 252 receives CRANK PULSES S
OPRThe time, fan 252 entrys into service.At this moment, inferior controller 233 is monitored fans 252, and monitored results is sent to master controller 231.
For example, after inferior controller 233 was sent to master controller 231 with the first monitored results, inferior controller 233 can produce new CRANK PULSES again.Switching unit 235 is sent to fan 251 with new CRANK PULSES.When fan 251 turned round according to new CRANK PULSES, inferior controller 233 was monitored fan 251 again, and monitored results (the second monitored results) is sent to master controller 231.
Therefore, treatment device 210 just can be learnt the characteristic of fan according to the received monitored results of master controller 231, and with the characteristic of fan with figure or forms mode, be presented in the screen, so that the tester obtains correct test result rapidly.In addition, in the present embodiment, monitored results is relevant with the rotating speed of fan, but is not to limit the present invention.In other embodiments, monitored results is relevant with the temperature around the fan.
Fig. 3 is another possibility embodiment of measurement jig of the present invention.Fig. 3 similar diagram 2, difference be, the measurement jig 300 of Fig. 3 has two switching units 351 and 353.Suppose, single switching unit can be couple to 10 fans, and then the switching unit 351 and 353 of Fig. 3 just can be couple to 20 fans.
In Fig. 3, master controller 310 produces control signal S
C1～S
C3, be used for respectively controlling time controller 330, switching unit 351 and 353.Inferior controller 330 is according to control signal S
C1, produce CRANK PULSES S
OPR Switching unit 351 is according to control signal S
C2, with CRANK PULSES S
OPRBe sent to the one of fan 320～329.Switching unit 353 is according to control signal S
C3, with CRANK PULSES S
OPRBe sent to the one of fan 340～349.In addition, the present invention's quantity of not limiting switching unit and being couple to the fan of switching unit.
Fig. 4 is that one of switching unit of the present invention may embodiment.As shown in the figure, switching unit 400 comprises, on-off controller 410 and switch 431～43N.On-off controller 410 is according to control signal S
C2, activation switching signal S
SW1～S
SWNOne.In the present embodiment, the same time only has single switching signal to be enabled.In a possibility embodiment, on-off controller 410 is to be a multiplexer (multiplexer), but is not to limit the present invention.In other possibility embodiment, on-off controller 410 is to be a universal input output (GeneralPurpose I/O; GPIO) controller.
When the one of switch 431～43N receives the switching signal of activation, then with CRANK PULSES S
OPRBe sent to corresponding fan.The present invention does not limit the kind of switch 431～43N.In a possibility embodiment, switch 431～43N is relay (relay).In other embodiments, switch 431～43N can be the switch of other mechanical type or electronic type.
Be simplified illustration, below only take switch 431 and 432 as example.As switching signal S
SW1When being enabled, switch 431 transmits CRANK PULSES S
OPRGive fan 251.At this moment, inferior controller 233 can see through switch 431, monitoring fan 251.Similarly, as switching signal S
SW2When being enabled, switch 432 transmits CRANK PULSES S
OPRGive fan 252.Inferior controller 233 just can see through switch 432, monitoring fan 252.
Be example with Fig. 2, inferior controller 233 can see through switching unit 235, with CRANK PULSES S
OPRBe sent to the fan of wish test, or the monitoring fan.When master controller 231 was sent to treatment device 210 with monitored results, treatment device 210 just can according to monitored results, be carried out a specific action.By this specific action, the tester just can learn the characteristic of fan quickly and accurately.
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention; have in the technical field under any and usually know the knowledgeable; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention defines and is as the criterion when looking accompanying claim scope.
Claims (20)
1. a measurement jig is used for testing plural fan, it is characterized in that comprising:
One master controller sends one first control signal and one second control signal;
A controller according to described the first control signal, produces a CRANK PULSES; And
One switches the unit, according to described the second control signal, optionally described CRANK PULSES is sent to the one of described fan, when one first fan in the described fan receives described CRANK PULSES, described the first fan entry into service, described described the first fan of controller monitoring, and a monitored results is sent to described master controller.
2. according to measurement jig claimed in claim 1, it is characterized in that described monitored results is relevant with the rotating speed of described the first fan.
3. according to measurement jig claimed in claim 1, it is characterized in that described master controller sees through an inter-integrated circuit bus, transmit described first and second control signal and give described controller and described switching unit.
4. according to measurement jig claimed in claim 1, it is characterized in that described CRANK PULSES is to be a pulse width modulation signal.
5. according to measurement jig claimed in claim 1, it is characterized in that described switching unit comprises:
One on-off controller, according to described the second control signal, activation one first switching signal or one second switching signal;
One first switch when described the first switching signal is enabled, transmits described CRANK PULSES and gives described the first fan; And
One second switch when described the second switching signal is enabled, transmits described CRANK PULSES and gives one second fan in the described fan.
6. according to measurement jig claimed in claim 5, it is characterized in that described on-off controller is to be a multiplexer.
7. according to measurement jig claimed in claim 5, it is characterized in that described on-off controller is to be a universal IOC.
8. according to measurement jig claimed in claim 5, it is characterized in that described the first switch is to be a relay.
9. test system is characterized in that comprising:
Plural fan;
One measurement jig, optionally a CRANK PULSES is sent to the one of described fan, when one first fan in the described fan receives described CRANK PULSES, described the first fan entry into service, described measurement jig is monitored described the first fan, and produces a monitored results; And
One treatment device, according to described monitored results, carry out a specific action, wherein said specific action is to be selected from described monitored results is presented on the screen, described monitored results is made a form, made described measurement jig more described fan be continued test or utilize described monitored results, produces the corresponding characteristic wherein a kind of specific action of described fan.
10. according to test system claimed in claim 9, it is characterized in that described measurement jig comprises:
One master controller sends one first control signal and one second control signal;
A controller according to described the first control signal, produces described CRANK PULSES;
One switches the unit, according to described the second control signal, optionally described CRANK PULSES is sent to the one of described fan, when one first fan in the described fan receives described CRANK PULSES, described the first fan entry into service, described described the first fan of controller monitoring, and described monitored results is sent to described master controller.
11. according to test system claimed in claim 10, it is characterized in that described master controller directly is sent to described treatment device with described monitored results.
12. according to test system claimed in claim 10, it is characterized in that described master controller processes described monitored results, and the result after will processing is sent to described treatment device.
13. according to test system claimed in claim 10, it is characterized in that more comprising a universal serial bus, be coupled between described treatment device and the described master controller.
14. according to test system claimed in claim 9, it is characterized in that described monitored results is relevant with the rotating speed of described the first fan.
15. according to test system claimed in claim 10, it is characterized in that described master controller sees through an inter-integrated circuit bus, transmit described first and second control signal and give described controller and described switching unit.
16. according to test system claimed in claim 9, it is characterized in that described CRANK PULSES is to be a pulse width modulation signal.
17. according to test system claimed in claim 10, it is characterized in that described switching unit comprises:
One on-off controller, according to described the second control signal, activation one first switching signal or one second switching signal;
One first switch when described the first switching signal is enabled, transmits described CRANK PULSES and gives described the first fan; And
One second switch when described the second switching signal is enabled, transmits described CRANK PULSES and gives one second fan in the described fan.
18. according to the described test system of claim 17, it is characterized in that described on-off controller is to be a multiplexer.
19. according to the described test system of claim 17, it is characterized in that described on-off controller is to be a universal IOC.
20. according to the described test system of claim 17, it is characterized in that described the first switch is to be a relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910170343 CN102022314B (en) | 2009-09-11 | 2009-09-11 | Testing tool and testing system of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910170343 CN102022314B (en) | 2009-09-11 | 2009-09-11 | Testing tool and testing system of fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102022314A CN102022314A (en) | 2011-04-20 |
| CN102022314B true CN102022314B (en) | 2013-10-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910170343 Expired - Fee Related CN102022314B (en) | 2009-09-11 | 2009-09-11 | Testing tool and testing system of fan |
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| Country | Link |
|---|---|
| CN (1) | CN102022314B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943767B (en) * | 2012-11-14 | 2015-01-28 | 苏州聚力电机有限公司 | Structure and method for detecting circuit of radiating fan |
| CN103699466B (en) * | 2013-12-20 | 2015-10-21 | 深圳宝龙达信息技术股份有限公司 | Fan communication test device and method |
| CN105353253B (en) * | 2015-11-28 | 2018-04-10 | 南通华夏飞机工程技术股份有限公司 | Aviation fan test circuit |
| CN110319044B (en) * | 2018-03-29 | 2020-12-08 | 佛山市顺德区顺达电脑厂有限公司 | Fan testing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256039A (en) * | 1992-11-09 | 1993-10-26 | Crawford Dale K | Remote controlled moveable fan |
| US20040191087A1 (en) * | 2003-03-26 | 2004-09-30 | Chang-Ming Liu | Ceiling fan with bi-directional rotation control |
| US20060001391A1 (en) * | 2004-06-30 | 2006-01-05 | Fujitsu Limited | Fan |
| TW200622103A (en) * | 2004-12-24 | 2006-07-01 | Hon Hai Prec Ind Co Ltd | A fan voltage difference managing system and method |
| TW200629707A (en) * | 2005-02-04 | 2006-08-16 | Giga Byte Tech Co Ltd | Fan speed-adjusting system with Pulse Width Modulation (PWM) and external control |
| CN1979174A (en) * | 2005-12-01 | 2007-06-13 | 鸿富锦精密工业（深圳）有限公司 | Fan rotation-speed detection device and method |
| CN101105501A (en) * | 2006-07-14 | 2008-01-16 | 鸿富锦精密工业（深圳）有限公司 | Fan rotary speed test system and method |
| CN101476567A (en) * | 2008-01-02 | 2009-07-08 | 新唐科技股份有限公司 | Apparatus and method for fan auto-detection |
-
2009
- 2009-09-11 CN CN 200910170343 patent/CN102022314B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256039A (en) * | 1992-11-09 | 1993-10-26 | Crawford Dale K | Remote controlled moveable fan |
| US20040191087A1 (en) * | 2003-03-26 | 2004-09-30 | Chang-Ming Liu | Ceiling fan with bi-directional rotation control |
| US20060001391A1 (en) * | 2004-06-30 | 2006-01-05 | Fujitsu Limited | Fan |
| TW200622103A (en) * | 2004-12-24 | 2006-07-01 | Hon Hai Prec Ind Co Ltd | A fan voltage difference managing system and method |
| TW200629707A (en) * | 2005-02-04 | 2006-08-16 | Giga Byte Tech Co Ltd | Fan speed-adjusting system with Pulse Width Modulation (PWM) and external control |
| CN1979174A (en) * | 2005-12-01 | 2007-06-13 | 鸿富锦精密工业（深圳）有限公司 | Fan rotation-speed detection device and method |
| CN101105501A (en) * | 2006-07-14 | 2008-01-16 | 鸿富锦精密工业（深圳）有限公司 | Fan rotary speed test system and method |
| CN101476567A (en) * | 2008-01-02 | 2009-07-08 | 新唐科技股份有限公司 | Apparatus and method for fan auto-detection |
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| Publication number | Publication date |
|---|---|
| CN102022314A (en) | 2011-04-20 |
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