CN102213627A - Torque testing system and method - Google Patents
Torque testing system and method Download PDFInfo
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- CN102213627A CN102213627A CN2010101405666A CN201010140566A CN102213627A CN 102213627 A CN102213627 A CN 102213627A CN 2010101405666 A CN2010101405666 A CN 2010101405666A CN 201010140566 A CN201010140566 A CN 201010140566A CN 102213627 A CN102213627 A CN 102213627A
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Abstract
The invention relates to a torque testing system and method. The method comprises the following steps of: starting an industrial control computer and setting a test parameter of a workpiece to be tested; installing the workpiece to be tested and starting testing; obtaining a torque value of the workpiece to be tested through a torque sensor, converting the torque value of the workpiece to be tested into a digital torque value, transmitting the torque value to the industrial control computer; and generating a testing curve of each testing period according to the digital torque value of the workpiece to be tested, and outputting the testing curve to a display. By using the invention, the torque of the workpiece to be tested can be automatically obtained and the testing curves are generated according to the obtained torque value.
Description
Technical field
The present invention relates to a kind of test macro and method, relate in particular to a kind of torsional test system and method.
Background technology
The existing device that is used for detecting torsion mostly is with manual mode and rotates object under test and reach the effect that torsion detects, and the data of detection are shown by a display screen.
Yet when using these devices to carry out the torsion detection, the user must rotate this determinand in manual mode.Therefore, not only can make metric data inaccurate because of the difference of the each application of force of user, and can produce fatigue after a period of time because of the user constantly rotates determinand, detection efficiency be low, is difficult for realizing batch detection.
Summary of the invention
In view of above content, be necessary to provide a kind of torsional test system, it can utilize torsion torque sensor to obtain the torque value of workpiece for measurement automatically, and generates test curve according to the torque value that obtains, and exports display to.
In view of above content, also be necessary to provide a kind of torsional test method, it can utilize torsion torque sensor to obtain the torque value of workpiece for measurement automatically, and according to the torque value generation test curve that obtains, exports display to.
A kind of torsional test system comprises:
Industrial PC is used to set the test parameter of workpiece for measurement;
Measurement jig is used to install workpiece for measurement;
Guidance panel is used for starting test by selector button;
Control card is used for from guidance panel acceptance test instruction, be rotated by motor servo driver control servomotor, thereby the workpiece for measurement that drives in the measurement jig rotates to produce torsion;
Torsion torque sensor is used for obtaining from measurement jig the torque value of workpiece for measurement;
A/D converter is used for receiving from torsion torque sensor the torque value of workpiece for measurement, the torque value of this workpiece for measurement is converted to the digital torque force value, and by control card, this digital torque force value is sent to industrial PC; And
Described industrial PC also is used for the digital torque force value according to workpiece for measurement, generates the test curve of each test period, and exports this test curve to display.
A kind of torsional test method may further comprise the steps:
Start industrial PC, and set the test parameter of workpiece for measurement;
Workpiece for measurement is installed in the measurement jig;
Selector button to be starting torsional test from the guidance panel, and sends test instruction to control card;
Control card is rotated by motor servo driver control servomotor, thereby the workpiece for measurement that drives in the measurement jig rotates to produce torsion;
Torsion torque sensor obtains the torque value of workpiece for measurement from measurement jig, and sends the torque value of workpiece for measurement to A/D converter;
A/D converter is converted to the digital torque force value with the torque value of this workpiece for measurement, and by control card, this digital torque force value is sent to industrial PC; And
Described industrial PC generates the test curve of each test period according to the digital torque force value of workpiece for measurement, and exports this test curve to display.
Compared to prior art, described torsional test system and method utilizes torsion torque sensor to obtain the torque value of workpiece for measurement automatically, and according to the torque value generation test curve that obtains, export display to, shortened and tested the required time, promoted testing efficiency.
Description of drawings
Fig. 1 is the structured flowchart of torsional test of the present invention system preferred embodiment.
Fig. 2 is the process flow diagram of torsional test method of the present invention preferred embodiment.
Fig. 3 is the synoptic diagram of the test curve that generated of torsional test method of the present invention.
The main element symbol description
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200 |
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210 |
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220 |
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230 |
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240 |
| Torsion torque sensor | 250 |
| A/ |
260 |
| Industrial PC | 212 |
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214 |
| The |
40 |
Embodiment
As shown in Figure 1, be the structured flowchart of torsional test of the present invention system preferred embodiment.This torsional test system 40 comprises guidance panel 200, control card 210, motor servo driver 220, servomotor 230, measurement jig 240, torsion torque sensor 250, A/D converter 260, industrial PC 212 and display 214.Described torsion torque sensor 250 is connected with A/D converter 260 with measurement jig 240, described servomotor 230 is connected with motor servo driver 220 with measurement jig 240, and described control card 210 is connected with guidance panel 200, motor servo driver 220, A/D converter 260 and industrial PC 212.Described industrial PC 212 is connected with display 214.
Wherein, described industrial PC 212 is used to set the test parameter of workpiece for measurement.Described test parameter comprises: the angle of total testing time of workpiece for measurement, each test and the time out of each test etc.The time out of described each test be meant when once test finish after, the beginning next time the test interval time, as 0.5 second.
Described measurement jig 240 is used to install workpiece for measurement.In the present embodiment, described workpiece for measurement is the hinge (Hinge) in mobile phone or the notebook computer.In other embodiments, described workpiece for measurement also can be the large volume parts such as shell in mobile phone or the notebook computer.
Described guidance panel 200 is provided with start button, stop button, counterclockwise low speed button, counterclockwise middling speed button, counterclockwise high speed button, clockwise low speed button, clockwise middling speed button and clockwise high speed button etc.Select the direction and the speed of testing by controlling these buttons on this guidance panel 200, and send test instruction to control card 210.The effect of these buttons on this guidance panel 200 is respectively:
Counterclockwise low speed button: click this button, then control card 210 is rotated counterclockwise by the speed of motor servo driver 220 control servomotors 230 with 0.5 degree/second, thereby the workpiece for measurement that drives in the measurement jig 240 rotates counterclockwise to produce torsion with this speed;
Counterclockwise middling speed button: click this button, then control card 210 is rotated counterclockwise by the speed of motor servo driver 220 control servomotors 230 with 5 degree/seconds, thereby the workpiece for measurement that drives in the measurement jig 240 rotates counterclockwise to produce torsion with this speed;
Counterclockwise high speed button: click this button, then control card 210 is rotated counterclockwise by the speed of motor servo driver 220 control servomotors 230 with 10 degree/seconds, thereby the workpiece for measurement that drives in the measurement jig 240 rotates counterclockwise to produce torsion with this speed;
Clockwise low speed button: click this button, then control card 210 turns clockwise by the speed of motor servo driver 220 control servomotors 230 with 0.5 degree/second, thereby the workpiece for measurement that drives in the measurement jig 240 clockwise rotates to produce torsion with this speed;
Clockwise middling speed button: click this button, then control card 210 turns clockwise by the speed of motor servo driver 220 control servomotors 230 with 5 degree/seconds, thereby the workpiece for measurement that drives in the measurement jig 240 clockwise rotates to produce torsion with this speed;
Clockwise high speed button: click this button, then control card 210 turns clockwise by the speed of motor servo driver 220 control servomotors 230 with 10 degree/seconds, thereby the workpiece for measurement that drives in the measurement jig 240 clockwise rotates to produce torsion with this speed;
Start button: after measurement direction and speed setting are finished, click this button, then industrial PC 212 will start test;
Stop button: after beginning test, if will stop test, click this button, then industrial PC 212 just can stop test.
Described torsion torque sensor 250 is used for obtaining from measurement jig 240 torque value (a kind of simulating signal) of workpiece for measurement, and sends the torque value of workpiece for measurement to A/D converter 260.
Described A/D converter 260 is used for the quantification of taking a sample of the torque value of this workpiece for measurement, the torque value of analog form is converted to the digital torque force value, and by control card 210, this digital torque force value is sent to industrial PC 212.
Described industrial PC 212 is used for the digital torque force value according to workpiece for measurement, generates the test curve of each test period, and exports this test curve to display 214.Wherein, the test curve of each test period comprises round two curves, and promptly one is the positive dirction curve, and another is the negative direction curve.Consult shown in Figure 3ly, horizontal ordinate is the angle (0 degree is to 120 degree) of each test, and ordinate is the digital torque force value of workpiece for measurement.In Fig. 3, total testing time of workpiece for measurement is 4 times, wherein, when testing for the first time (first test period), the maximum number torque value of workpiece for measurement on positive dirction (0 degree is to 120 degree) curve is 3.86Kgf.cm, and obtaining this peaked angle is 50.91 degree, the i.e. points of A1 among Fig. 3.The maximum number torque value of workpiece for measurement on negative direction (120 degree are to 0 degree) curve is 3.97Kgf.cm, and obtaining this peaked angle is 49.97 degree, the i.e. points of A2 among Fig. 3.
Described industrial PC 212 is used to also judge whether total testing time of workpiece for measurement reaches.If total testing time of workpiece for measurement reaches, then stop test; If total testing time of workpiece for measurement does not reach, then continue test.In the present embodiment, with total testing time of variable i record workpiece for measurement, the initial value of variable i equals 1, after each test period finishes, the value of variable i is added up 1.Total testing time of supposing workpiece for measurement is N, if i more than or equal to N, then industrial PC 212 judges that total testing time of workpieces for measurement reaches, test finishes.
As shown in Figure 2, be the process flow diagram of torsional test method of the present invention preferred embodiment.
Step S1 starts industrial PC 212.
Step S2, industrial PC 212 is set the test parameter of workpiece for measurement.Described test parameter comprises: the angle of total testing time of workpiece for measurement, each test and the time out of each test etc.The time out of described each test be meant when once test finish after, the beginning next time the test interval time, as 0.5 second.
Step S3 is installed in workpiece for measurement in the measurement jig 240, and the test of the pushbutton enable on the selection operation panel 200, sends test instruction to control card 210.Then, control card 210 is rotated by motor servo driver 220 control servomotors 230, thereby the workpiece for measurement that drives in the measurement jig 240 rotates to produce torsion.In the present embodiment, described guidance panel 200 is provided with start button, stop button, counterclockwise low speed button, counterclockwise middling speed button, counterclockwise high speed button, clockwise low speed button, clockwise middling speed button and clockwise high speed button etc.
Step S4, torsion torque sensor 250 obtain the torque value (a kind of simulating signal) of workpiece for measurement from measurement jig 240.
Step S5, torsion torque sensor 250 sends the torque value of workpiece for measurement to A/D converter 260.The quantification of taking a sample of the torque value of 260 pairs of these workpieces for measurement of described A/D converter is converted to the digital torque force value with the torque value of analog form, and by control card 210, this digital torque force value is sent to industrial PC 212.
Step S6, industrial PC 212 generate the test curve of each test period according to the digital torque force value of workpiece for measurement.Wherein, the test curve of each test period comprises round two curves, and promptly one is the positive dirction curve, and another is the negative direction curve.
Step S7, industrial PC 212 exports this test curve to display 214.
Step S8, industrial PC 212 judge whether total testing time of workpiece for measurement reaches.If total testing time of workpiece for measurement reaches, then execution in step S9; If total testing time of workpiece for measurement does not reach, return step S4, beginning is test next time.
Step S9, industrial PC 212 stop test.
It should be noted that at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a torsional test system is characterized in that, this system comprises:
Industrial PC is used to set the test parameter of workpiece for measurement;
Measurement jig is used to install workpiece for measurement;
Guidance panel is used for starting test by selector button;
Control card is used for from guidance panel acceptance test instruction, be rotated by motor servo driver control servomotor, thereby the workpiece for measurement that drives in the measurement jig rotates to produce torsion;
Torsion torque sensor is used for obtaining from measurement jig the torque value of workpiece for measurement;
A/D converter is used for receiving from torsion torque sensor the torque value of workpiece for measurement, the torque value of this workpiece for measurement is converted to the digital torque force value, and by control card, this digital torque force value is sent to industrial PC; And
Described industrial PC also is used for the digital torque force value according to workpiece for measurement, generates the test curve of each test period, and exports this test curve to display.
2. torsional test as claimed in claim 1 system is characterized in that described test parameter comprises: the angle of total testing time of workpiece for measurement, each test and the time out of each test.
3. torsional test as claimed in claim 2 system is characterized in that described industrial PC is used to also judge whether total testing time of workpiece for measurement reaches, if total testing time of workpiece for measurement reaches, then stop test,, then continue test if total testing time of workpiece for measurement does not reach.
4. torsional test as claimed in claim 1 system, it is characterized in that the button on the described guidance panel comprises: start button, stop button, counterclockwise low speed button, counterclockwise middling speed button, counterclockwise high speed button, clockwise low speed button, clockwise middling speed button and clockwise high speed button.
5. torsional test as claimed in claim 1 system is characterized in that the test curve of described each test period comprises positive dirction curve and negative direction curve.
6. a torsional test method is characterized in that, this method may further comprise the steps:
Start industrial PC, and set the test parameter of workpiece for measurement;
Workpiece for measurement is installed in the measurement jig;
Selector button to be starting torsional test from the guidance panel, and sends test instruction to control card;
Control card is rotated by motor servo driver control servomotor, thereby the workpiece for measurement that drives in the measurement jig rotates to produce torsion;
Torsion torque sensor obtains the torque value of workpiece for measurement from measurement jig, and sends the torque value of workpiece for measurement to A/D converter;
A/D converter is converted to the digital torque force value with the torque value of this workpiece for measurement, and by control card, this digital torque force value is sent to industrial PC; And
Industrial PC generates the test curve of each test period according to the digital torque force value of workpiece for measurement, and exports this test curve to display.
7. torsional test method as claimed in claim 6 is characterized in that, described test parameter comprises: the angle of total testing time of workpiece for measurement, each test and the time out of each test.
8. torsional test method as claimed in claim 7 is characterized in that, this method also comprises step:
Industrial PC judges whether total testing time of workpiece for measurement reaches; And
If total testing time of workpiece for measurement reaches, then stop test, if total testing time of workpiece for measurement does not reach, then continue test.
9. torsional test method as claimed in claim 6, it is characterized in that the button on the described guidance panel comprises: start button, stop button, counterclockwise low speed button, counterclockwise middling speed button, counterclockwise high speed button, clockwise low speed button, clockwise middling speed button and clockwise high speed button.
10. torsional test method as claimed in claim 6 is characterized in that, the test curve of described each test period comprises positive dirction curve and negative direction curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101405666A CN102213627A (en) | 2010-04-07 | 2010-04-07 | Torque testing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101405666A CN102213627A (en) | 2010-04-07 | 2010-04-07 | Torque testing system and method |
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| CN102213627A true CN102213627A (en) | 2011-10-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494878A (en) * | 2011-11-16 | 2012-06-13 | 江苏大学 | Automatic torsion load frequency spectrum loading system and loading method thereof |
| CN105092131A (en) * | 2015-08-20 | 2015-11-25 | 苏州听毅华自动化设备有限公司 | Torsion testing mechanism |
| CN106482884A (en) * | 2016-12-05 | 2017-03-08 | 达丰(上海)电脑有限公司 | Automatic hinge torque test device |
| TWI600902B (en) * | 2015-04-13 | 2017-10-01 | xian-min Yang | Fatigue test method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5837879A (en) * | 1997-01-07 | 1998-11-17 | General Electric Company | Methods and apparatus for testing centrifugal start mechanisms |
| CN101620021A (en) * | 2008-07-04 | 2010-01-06 | 康准电子科技（昆山）有限公司 | Twisting force detection device and detection method |
-
2010
- 2010-04-07 CN CN2010101405666A patent/CN102213627A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5837879A (en) * | 1997-01-07 | 1998-11-17 | General Electric Company | Methods and apparatus for testing centrifugal start mechanisms |
| CN101620021A (en) * | 2008-07-04 | 2010-01-06 | 康准电子科技（昆山）有限公司 | Twisting force detection device and detection method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494878A (en) * | 2011-11-16 | 2012-06-13 | 江苏大学 | Automatic torsion load frequency spectrum loading system and loading method thereof |
| CN102494878B (en) * | 2011-11-16 | 2015-02-04 | 江苏大学 | Automatic torsion load frequency spectrum loading system and loading method thereof |
| TWI600902B (en) * | 2015-04-13 | 2017-10-01 | xian-min Yang | Fatigue test method |
| CN105092131A (en) * | 2015-08-20 | 2015-11-25 | 苏州听毅华自动化设备有限公司 | Torsion testing mechanism |
| CN106482884A (en) * | 2016-12-05 | 2017-03-08 | 达丰(上海)电脑有限公司 | Automatic hinge torque test device |
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Application publication date: 20111012 |