CN105973719B - A kind of optical cable flexibility test equipment and method - Google Patents
A kind of optical cable flexibility test equipment and method Download PDFInfo
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- CN105973719B CN105973719B CN201610415893.5A CN201610415893A CN105973719B CN 105973719 B CN105973719 B CN 105973719B CN 201610415893 A CN201610415893 A CN 201610415893A CN 105973719 B CN105973719 B CN 105973719B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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Abstract
The invention discloses a kind of optical cable flexibility test equipments, it is characterised in that：Including turntable,Electrical cabinet,Servo motor,Turntable is installed on above electrical cabinet,Replaceable casing is housed on turntable,Replaceable adjustable distance casing,Optical cable fixing device is housed above electrical cabinet,Servo motor is housed in electrical cabinet,Torque rotary speed sensor,Torque rotary speed signal adapter,PLC controller,Torque rotary speed sensor and turntable,Torque rotary speed signal adapter,Servo motor connects,Torque rotary speed sensor and turntable,Tooth is set between servo motor turns transmission,Torque rotary speed signal adapter is connect with PLC controller,PLC controller is connect with man-machine interface operator control panel,The invention also discloses a kind of optical cable flexibility test methods,Present device can accurately reflect the flexibility quality of optical cable,Can maintain a long-term stability operation,Not with temperature,The external environmental factors such as humidity and change,Equipment operation is convenient,Precision is high,Service life is long,Economic and reliable.
Description
Technical field
The present invention relates to the measuring technologies of optical cable, more particularly, to a kind of optical cable flexibility test equipment and method.
Background technology
The processing purpose of optical cable is the optical fiber inside protection, enables optical fiber under certain environmental conditions or manipulator
In in the case of normal use.The performance test of optical cable is most important to the quality of cable manufactures.It will directly influence optical cable
Use, if optical cable flexibility is very good, optical cable installation in use, flecition power directly acts on optical fiber, cause
Optical fiber fracture damage；If optical cable flexibility is very poor, lead to the installation for being not easy to optical cable and use.At present at home, either
Client requires the technology of optical cable or optical cable producer is in the Technical specification of product, only requiring that flexibility is good, specific flexible
How property embodies, and how this measures, and does not provide specific answer.Accordingly, it is desirable to provide a kind of to the flexible survey of optical cable
Method for testing and test equipment, solve the above problems.
Invention content
The purpose of the present invention is to provide a kind of optical cable flexibility test equipment and methods.
The technical solution adopted by the present invention is：
A kind of optical cable flexibility test equipment, including turntable, electrical cabinet, servo motor, torque rotary speed sensor, torque turn
Fast signal adapter, PLC controller, man-machine interface operator control panel, the turntable are installed on above electrical cabinet, the turntable center peace
Equipped with replaceable casing, the turntable diametrically opens a card slot respectively at both ends, and the interior installation of the card slot is replaceable can
Distance sleeve is adjusted, three circular holes are opened in the both sides of card slot respectively on the turntable, and the disk edge is opening diametrically opening for card slot
Go out symmetrical two apertures, optical cable fixing device is installed above the electrical cabinet, servo motor, torque are installed in electrical cabinet
Speed probe, torque rotary speed signal adapter, PLC controller, the torque rotary speed sensor and turntable, torque rotary speed signal
Converter, servo motor connection are arranged tooth and turn to be driven between the torque rotary speed sensor and turntable, servo motor, described turn
Square tach signal converter is connect with PLC controller, and the PLC controller is connect with man-machine interface operator control panel.
A kind of optical cable flexibility test method, includes the following steps：
Step 1：Optical cable is put into turntable, is incited somebody to action using replaceable casing, replaceable adjustable distance casing, optical cable fixing device
Tested optical cable is fixed；
Step 2：Starting device is programmed by PLC, the angle and speed of control turntable rotation, using optical cable to turntable
Torque is sent to torque speed probe by moment loading using the mode of toothed belts；
Step 3：The torsional moment of measurement is converted into digital signal by torque rotary speed signal adapter, is controlled through PLC
Device input interface operator control panel, is shown by man-machine interface operator control panel；
Step 4：Torque average value, as optical cable flexibility numerical value are taken after measuring three times.
The disk diameter is 400mm, and the hole diameter of the disk edge is 5mm, and the card slot width is 15mm, institute
State a diameter of 70mm of six circular holes.
The material of the turntable is the small aluminum alloy materials of density, the replaceable casing on turntable and replaceable adjustable distance
Casing uses zincincation.
The optical cable flexibility test equipment torsion-testing ranging from 0dNm~10dNm, torsion-testing precision are
0.5%, bending moment arm ranging from 20mm~100mm, torsional friction torque are less than the 20% of optical cable full test value, and torque rotary speed passes
The test scope of sensor is 0Nm~1Nm.
The replaceable casing, replaceable adjustable distance casing, optical cable fixing device fix optical cable, and the optic cable diameter is
0.8mm~10mm, torsional moment test scope are 0dNm~10dNm.
Advantages of the present invention：Using servo motor can microrunning, can realize the constant feature of torsional moment, equipment can essence
The true flexibility quality for reflecting optical cable, can maintain a long-term stability operation, not become with external environmental factors such as temperature, humidity
Change, equipment operation is convenient, precision is high, service life is long, economic and reliable.
Description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram of CD of the present invention；
Fig. 3 is optical disk rotary angle schematic diagram of the present invention.
Wherein：1, turntable；2, replaceable casing；3, replaceable adjustable distance casing；4, optical cable fixing device；5, gear passes
It is dynamic；6, torque rotary speed sensor；7, servo motor；8, PLC controller；9, torque rotary speed signal adapter；10, man-machine interface is grasped
Work shields；11, electrical cabinet；12, optical cable；13, card slot；14, circular hole；15, aperture.
Specific implementation mode
Embodiment 1
As shown in Figs. 1-3, a kind of optical cable flexibility test equipment, including turntable 1, electrical cabinet 11, servo motor 7, torque
Speed probe 6, torque rotary speed signal adapter 9, PLC controller 8, man-machine interface operator control panel 10, turntable 1 are installed on electrical cabinet
11 tops, 1 center of turntable are equipped with replaceable casing 2, and turntable 1 diametrically opens a card slot 13, card slot respectively at both ends
The replaceable adjustable distance casings 3 of installation in 13, three circular holes 14 are opened in the both sides of card slot 13 respectively on turntable 1, to reduce turntable
Dead weight, 1 edge of turntable is diametrically outputed symmetrical two apertures 15 open card slot 13, is measured for equipment, on electrical cabinet 11
Side is equipped with optical cable fixing device 4, optical cable fixing device 4 should be able to be fixed along optical cable after vertical direction on horizontally slip,
And it can be fixed on a certain position, ensure that the optical cable of different model various outer diameter can be tested using this equipment, electrical cabinet
Servo motor 7, torque rotary speed sensor 6, torque rotary speed signal adapter 9, PLC controller 8 are installed, torque rotary speed passes in 11
Sensor 6 is connect with turntable 1, torque rotary speed signal adapter 9, servo motor 7, torque rotary speed sensor 6 and turntable 1, servo electricity
Tooth is set between machine 7 and turns transmission 5, servo motor 7 is 1 with torque rotary speed sensor 6:The magnetic grain of 5 Synchronous Transmissions, servo motor is thin
Small uniformly the torsional moment and velocity of rotation when ensureing to rotate are constant, torque rotary speed signal adapter 9 and the company of PLC controller 8
It connects, PLC controller 8 is connect with man-machine interface operator control panel 10, using torque rotary speed sensor 6, the ZJ-A-F/A of model ZJ-5A
Type torque rotary speed signal adapter 9 and Omron PLC controller 8.
Disk diameter is 400mm, and disk edge is 5mm for the Circularhole diameter of calibration, and movable clamp groove width is 15mm, six
A Circularhole diameter for mitigating weight is 70mm, and the material of turntable is the small aluminum alloy materials of density, replaceable on turntable
Casing and replaceable adjustable distance casing use zincincation, and optical cable flexibility test equipment torsion-testing ranging from 0dNm~
10dNm, torsion-testing precision are 0.5%, and bending moment arm ranging from 20mm~100mm, it is maximum that torsional friction torque is less than optical cable
The test scope of the 20% of test value, torque rotary speed sensor is 0Nm~1Nm.
A kind of optical cable flexibility test method, includes the following steps：
Step 1：The single fiber cable of a diameter of 1.8mm is put into turntable, uses replaceable casing, replaceable adjustable distance set
Pipe, optical cable fixing device tested optical cable is fixed, replaceable casing, replaceable adjustable distance casing radius be 18mm；
Step 2：Starting device is programmed by PLC, the angle and speed of control turntable rotation, using optical cable to turntable
Torque is sent to torque speed probe by moment loading using the mode of toothed belts, and PLC controller programming is divided into following
Several aspects：
1. setting turntable origin, 90 °, 180 ° of positions, origin can be found after opening of device；
2. setting rotary speed, rotary speed is set as at a slow speed, ranging from 0~5 rev/min；Pass through control servomotor
Rotating speed, with the rotating speed of gear drive indirect control turntable；
3. since gear is 1:5 Synchronous Transmissions, are adjusted to：Show numerical value=output numerical value/5；Calibration procedure is set, specifically
For：Equipment dallies twice, itself torsional moment of obtained equipment is averaged, and sets average value to a reference value, completes equipment
Calibration process；
4. calculating, the recordable actual numerical value measured three times, and the average value of numerical value three times；
5. equipment is measured：The real-time torsional moment of equipment is shown by man-machine interface operator control panel 10, on electrical cabinet side
Edge installs a fixed pulley, and the straight line of 2 points of pulley and turntable is the tangent line of turntable, can be applied in this way in the other side of pulley
One counterweight, the aperture on turntable draw a cord, counterweight are connected after disk peripheral half cycle, can keep applying counterweight in this way
The arm of force it is tangent with the circumference of turntable always, pass through the precision of calculated value and actual displayed numerical value measuring equipment.；
Step 3：The torsional moment of measurement is converted into digital signal by torque rotary speed signal adapter, is controlled through PLC
Device input interface operator control panel, is shown by man-machine interface operator control panel, the purposes of man-machine interface operator control panel 10 be divided into
Lower several points：
1. the torque numerical value after showing measured value three times and being averaged；
2. the rotating speed of turntable can be adjusted in the range of 0~5 rev/min；
3. equipment Alignment can be carried out by man-machine interface operator control panel 10；
4. the real-time torsional moment numerical value of equipment can be shown.
5. the residence time that turntable goes to precalculated position can be set.
6. precalculated position, that is, origin can be turned to turntable in opening of device；
Step 4：Torque average value, as optical cable flexibility numerical value, unit dNm are taken after measuring three times.
The present invention using servo motor can microrunning, can realize the constant feature of torsional moment, optical cable when turntable rotates
Torsional moment can be applied to turntable, torque is sent to torque rotary speed sensor by turntable and is measured, torque rotary speed is passed through
Screen display is operated in man-machine interface after signal adapter, PLC controller, programming conversion numerical value, equipment can be reflected accurately
The flexibility quality of optical cable, can maintain a long-term stability operation, not change with external environmental factors such as temperature, humidity, equipment behaviour
It is long to make convenient, precision height, service life, economic and reliable.
Embodiment 2
As shown in Figs. 1-3, a kind of optical cable flexibility test equipment, including turntable 1, electrical cabinet 11, servo motor 7, torque
Speed probe 6, torque rotary speed signal adapter 9, PLC controller 8, man-machine interface operator control panel 10, turntable 1 are installed on electrical cabinet
11 tops, 1 center of turntable are equipped with replaceable casing 2, and turntable 1 diametrically opens a card slot 13, card slot respectively at both ends
The replaceable adjustable distance casings 3 of installation in 13, three circular holes 14 are opened in the both sides of card slot 13 respectively on turntable 1, to reduce turntable
Dead weight, 1 edge of turntable is diametrically outputed symmetrical two apertures 15 open card slot 13, is measured for equipment, on electrical cabinet 11
Side is equipped with optical cable fixing device 4, optical cable fixing device 4 should be able to be fixed along optical cable after vertical direction on horizontally slip,
And it can be fixed on a certain position, ensure that the optical cable of different model various outer diameter can be tested using this equipment, electrical cabinet
Servo motor 7, torque rotary speed sensor 6, torque rotary speed signal adapter 9, PLC controller 8 are installed, torque rotary speed passes in 11
Sensor 6 is connect with turntable 1, torque rotary speed signal adapter 9, servo motor 7, torque rotary speed sensor 6 and turntable 1, servo electricity
Tooth is set between machine 7 and turns transmission 5, servo motor 7 is 1 with torque rotary speed sensor 6:The magnetic grain of 5 Synchronous Transmissions, servo motor is thin
Small uniformly the torsional moment and velocity of rotation when ensureing to rotate are constant, torque rotary speed signal adapter 9 and the company of PLC controller 8
It connects, PLC controller 8 is connect with man-machine interface operator control panel 10, using torque rotary speed sensor 6, the ZJ-A-F/A of model ZJ-5A
Type torque rotary speed signal adapter 9 and Omron PLC controller 8.
Disk diameter is 400mm, and disk edge is 5mm for the Circularhole diameter of calibration, and movable clamp groove width is 15mm, six
A Circularhole diameter for mitigating weight is 70mm, and the material of turntable is the small aluminum alloy materials of density, replaceable on turntable
Casing and replaceable adjustable distance casing use zincincation, and optical cable flexibility test equipment torsion-testing ranging from 0dNm~
10dNm, torsion-testing precision are 0.5%, and bending moment arm ranging from 20mm~100mm, it is maximum that torsional friction torque is less than optical cable
The test scope of the 20% of test value, torque rotary speed sensor is 0Nm~1Nm.
A kind of optical cable flexibility test method, includes the following steps：
Step 1：The single fiber cable of a diameter of 5.8mm is put into turntable, uses replaceable casing, replaceable adjustable distance set
Pipe, optical cable fixing device tested optical cable is fixed, replaceable casing, replaceable adjustable distance casing radius be 58mm；
Step 2：Starting device is programmed by PLC, the angle and speed of control turntable rotation, using optical cable to turntable
Torque is sent to torque speed probe by moment loading using the mode of toothed belts, and PLC controller programming is divided into following
Several aspects：
1. setting turntable origin, 90 °, 180 ° of positions, origin can be found after opening of device；
2. setting rotary speed, rotary speed is set as at a slow speed, ranging from 0~5 rev/min；Pass through control servomotor
Rotating speed, with the rotating speed of gear drive indirect control turntable；
3. since gear is 1:5 Synchronous Transmissions, are adjusted to：Show numerical value=output numerical value/5；Calibration procedure is set, specifically
For：Equipment dallies twice, itself torsional moment of obtained equipment is averaged, and sets average value to a reference value, completes equipment
Calibration process；
4. calculating, the recordable actual numerical value measured three times, and the average value of numerical value three times；
5. equipment is measured：The real-time torsional moment of equipment is shown by man-machine interface operator control panel 10, on electrical cabinet side
Edge installs a fixed pulley, and the straight line of 2 points of pulley and turntable is the tangent line of turntable, can be applied in this way in the other side of pulley
One counterweight, the aperture on turntable draw a cord, counterweight are connected after disk peripheral half cycle, can keep applying counterweight in this way
The arm of force it is tangent with the circumference of turntable always, pass through the precision of calculated value and actual displayed numerical value measuring equipment.；
Step 3：The torsional moment of measurement is converted into digital signal by torque rotary speed signal adapter, is controlled through PLC
Device input interface operator control panel, is shown by man-machine interface operator control panel, the purposes of man-machine interface operator control panel 10 be divided into
Lower several points：
1. the torque numerical value after showing measured value three times and being averaged；
2. the rotating speed of turntable can be adjusted in the range of 0~5 rev/min；
3. equipment Alignment can be carried out by man-machine interface operator control panel 10；
4. the real-time torsional moment numerical value of equipment can be shown.
5. the residence time that turntable goes to precalculated position can be set.
6. precalculated position, that is, origin can be turned to turntable in opening of device；
Step 4：Torque average value, as optical cable flexibility numerical value, unit dNm are taken after measuring three times.
The present invention using servo motor can microrunning, can realize the constant feature of torsional moment, optical cable when turntable rotates
Torsional moment can be applied to turntable, torque is sent to torque rotary speed sensor by turntable and is measured, torque rotary speed is passed through
Screen display is operated in man-machine interface after signal adapter, PLC controller, programming conversion numerical value, equipment can be reflected accurately
The flexibility quality of optical cable, can maintain a long-term stability operation, not change with external environmental factors such as temperature, humidity, equipment behaviour
It is long to make convenient, precision height, service life, economic and reliable.
Claims (6)
1. a kind of optical cable flexibility test equipment, it is characterised in that：Including turntable, electrical cabinet, servo motor, torque rotary speed sensing
Device, torque rotary speed signal adapter, PLC controller, man-machine interface operator control panel, the turntable is installed on above electrical cabinet, described
Turntable center is equipped with replaceable casing, and the turntable is diametrically opened a card slot at both ends, pacified in the card slot respectively
Fill replaceable adjustable distance casing, three circular holes are opened in the both sides of card slot respectively on the turntable, and the disk edge is opening card slot
Diametrically output symmetrical two apertures, optical cable fixing device is installed above the electrical cabinet, is equipped with and watches in electrical cabinet
Take motor, torque rotary speed sensor, torque rotary speed signal adapter, PLC controller, the torque rotary speed sensor and turntable,
Torque rotary speed signal adapter, servo motor connection are arranged tooth and turn between the torque rotary speed sensor and turntable, servo motor
Transmission, the torque rotary speed signal adapter are connect with PLC controller, and the PLC controller is connect with man-machine interface operator control panel.
2. a kind of optical cable flexibility test equipment according to claim 1, it is characterised in that：The disk diameter is
The hole diameter of 400mm, the disk edge are 5mm, and the card slot width is 15mm, a diameter of 70mm of the circular hole.
3. a kind of optical cable flexibility test equipment according to claim 1, it is characterised in that：The material of the turntable is close
Small aluminum alloy materials are spent, the replaceable casing on turntable is made with replaceable adjustable distance casing of zincincation.
4. a kind of optical cable flexibility test equipment according to claim 1, it is characterised in that：The optical cable flexibility test
Equipment torsion-testing ranging from 0dNm~10dNm, torsion-testing precision are 0.5%, bending moment arm ranging from 20mm~
100mm, torsional friction torque are less than the 20% of optical cable full test value, the test scope of torque rotary speed sensor be 0Nm~
1N·m。
5. a kind of optical cable flexibility test equipment according to claim 1, it is characterised in that：The replaceable casing, can
Adjustable distance casing, optical cable fixing device fixation optical cable are replaced, the optic cable diameter is 0.8mm~10mm, torsional moment test
Ranging from 0dNm~10dNm.
6. using a kind of optical cable flexibility test method of optical cable flexibility test equipment described in claim 1, feature exists
In：Include the following steps：
Step 1：Optical cable is put into turntable, will be tested using replaceable casing, replaceable adjustable distance casing, optical cable fixing device
Optical cable is fixed；
Step 2：Starting device is programmed by PLC, the angle and speed of control turntable rotation, using optical cable to the torque of turntable
Effect, torque rotary speed sensor is sent to by torque using the mode of toothed belts；
Step 3：The torsional moment of measurement is converted into digital signal by torque rotary speed signal adapter, it is defeated through PLC controller
Enter man-machine interface operator control panel, is shown by man-machine interface operator control panel；
Step 4：Torque average value, as optical cable flexibility numerical value are taken after measuring three times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415893.5A CN105973719B (en) | 2016-06-15 | 2016-06-15 | A kind of optical cable flexibility test equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415893.5A CN105973719B (en) | 2016-06-15 | 2016-06-15 | A kind of optical cable flexibility test equipment and method |
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| Publication Number | Publication Date |
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| CN105973719A CN105973719A (en) | 2016-09-28 |
| CN105973719B true CN105973719B (en) | 2018-10-16 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238544A (en) * | 2017-07-28 | 2017-10-10 | 江苏通光电子线缆股份有限公司 | A kind of optical cable abrasion resistance test method and equipment |
| CN110231236A (en) * | 2019-06-26 | 2019-09-13 | 江苏通光电子线缆股份有限公司 | Cable anti-torsion performance test apparatus and test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2400798Y (en) * | 1999-12-16 | 2000-10-11 | 天津市电线总厂 | Flexibility testing device for wire and cable |
| CN101666729A (en) * | 2009-09-29 | 2010-03-10 | 郑州仕佳通信科技有限公司 | Repeated bending test equipment of optical cable |
| CN104165809A (en) * | 2014-08-04 | 2014-11-26 | 常熟市环境试验设备有限公司 | Cable torsion test device |
| CN205157343U (en) * | 2015-12-11 | 2016-04-13 | 深圳普迈仕精密制造技术开发有限公司 | Fiber test machine |
| CN205719816U (en) * | 2016-06-15 | 2016-11-23 | 江苏通光电子线缆股份有限公司 | A kind of optical cable pliability test equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07333126A (en) * | 1994-06-08 | 1995-12-22 | Yazaki Corp | Strength testing apparatus and method for optical fiber |
| JP2007333610A (en) * | 2006-06-16 | 2007-12-27 | Fujitsu Ltd | Flexibility measuring instrument of cable |
-
2016
- 2016-06-15 CN CN201610415893.5A patent/CN105973719B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2400798Y (en) * | 1999-12-16 | 2000-10-11 | 天津市电线总厂 | Flexibility testing device for wire and cable |
| CN101666729A (en) * | 2009-09-29 | 2010-03-10 | 郑州仕佳通信科技有限公司 | Repeated bending test equipment of optical cable |
| CN104165809A (en) * | 2014-08-04 | 2014-11-26 | 常熟市环境试验设备有限公司 | Cable torsion test device |
| CN205157343U (en) * | 2015-12-11 | 2016-04-13 | 深圳普迈仕精密制造技术开发有限公司 | Fiber test machine |
| CN205719816U (en) * | 2016-06-15 | 2016-11-23 | 江苏通光电子线缆股份有限公司 | A kind of optical cable pliability test equipment |
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