CN208847583U - A kind of optical cable tensile deformation measuring system - Google Patents
A kind of optical cable tensile deformation measuring system Download PDFInfo
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- CN208847583U CN208847583U CN201821097621.6U CN201821097621U CN208847583U CN 208847583 U CN208847583 U CN 208847583U CN 201821097621 U CN201821097621 U CN 201821097621U CN 208847583 U CN208847583 U CN 208847583U
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- measuring system
- tensile deformation
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Abstract
The utility model provides a kind of optical cable tensile deformation measuring system, including optical cable, resistive strain gage sensor, voltage-type transmitter, fiber laser arrays computer, 24V DC power supply；Optical cable is fixedly connected by optical cable clip with resistive strain gage sensor, resistive strain gage sensor is connected by shielding line with voltage-type transmitter, voltage-type transmitter is connected with fiber laser arrays computer data acquiring end by shielding line, and 24V DC power supply and voltage-type transmitter are connected to the power supply of voltage-type transmitter.The utility model measures the deformation in the practical drawing process of optical cable, keeps the parameter value in stress strain curve more accurate, so that the optical cable elongation strain curve conclusion for obtaining computer is more true and reliable, improves the accuracy of test.
Description
Technical field
The utility model relates to optical cable tensile deformation field of measuring technique, and in particular to a kind of optical cable tensile deformation measurement system
System.
Background technique
The tensile strength of optical cable is one of cable machinery characteristic important indicator, it is after simulating optical cable construction and fiber cable laying
Operate normally proposed requirement.Quality testing department tests the elongation strain curve conduct of the different structure optical cable obtained by testing
The important detection foundation of this feature.
Important parameter used in the curve of optical cable elongation strain at present first is that optical cable stretch variation length, optical cable stretch become
Changing length is to test drawing mechanism moving distance by range sensor, and moving distance length value is transformed into 0- by sensor
The reference value that 10V DC voltage value input computer obtains.But the reference value that obtains of computer, which is not that optical cable is practical, to be stretched
Deformation in journey, but there is a certain error.
Utility model content
(1) the technical issues of solving
For the defect problem of above-mentioned prior art optical cable tensile deformation measurement, a kind of optical cable tensile deformation measurement is provided
System is made of resistive strain gage sensor, voltage-type transmitter, fiber laser arrays computer, is passed by strain ga(u)ge formula
Sensor measures line deflection between optical cable two o'clock, variation length amount is converted into millivolt level voltage value, then pass through voltage-type pick-up
Device reception voltage value is converted into analog quantity output signals and is supplied to fiber laser arrays computer data acquiring end；The utility model measurement
Deformation in the practical drawing process of optical cable, keeps the parameter value in stress strain curve more accurate, thus the light for obtaining computer
Cable elongation strain curve conclusion is more true and reliable, improves the accuracy of test.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of optical cable tensile deformation measuring system, including optical cable, resistive strain gage sensor, voltage-type transmitter, light
Fibre detection computer, 24V DC power supply；Optical cable is fixedly connected by optical cable clip with resistive strain gage sensor, and resistance is answered
Become meter formula sensor to be connected by shielding line with voltage-type transmitter, voltage-type transmitter and fiber laser arrays computer data acquiring
End is connected by shielding line, and 24V DC power supply and voltage-type transmitter are connected to the power supply of voltage-type transmitter.
An embodiment according to the present utility model, the resistive strain gage sensor are JL500-20 resistance-strain chip
Extensometer.
An embodiment according to the present utility model, the JL500-20 resistance-strain chip extensometer gage length should be 500mm,
Range should be 20mm.
An embodiment according to the present utility model, the JL500-20 resistance-strain chip extensometer are 5V electricity for bridge voltage
Pressure, feedback differential voltage are millivolt voltage, and wiring is 5 line systems, and respectively 2 for bridge voltage line, 2 differential electrical crimpings, 1 screen
Cover line.
An embodiment according to the present utility model, the shielding line are 4 core double shielded cable of technical grade.
An embodiment according to the present utility model, the voltage-type transmitter use TDA-05A voltage-type transmitter.
(3) beneficial effect
The utility model has the beneficial effects that a kind of optical cable tensile deformation measuring system, by resistive strain gage sensor, electricity
Die mould transmitter, fiber laser arrays computer composition, measure line deflection between optical cable two o'clock by resistive strain gage sensor,
Variation length amount is converted into millivolt level voltage value, then voltage value is received by voltage-type transmitter and is converted into analog output letter
Number it is supplied to fiber laser arrays computer data acquiring end；The utility model measures the deformation in the practical drawing process of optical cable, makes to draw
The parameter value stretched in curve is more accurate, so that the optical cable elongation strain curve conclusion for obtaining computer more really may be used
It leans on, improves the accuracy of test.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model measuring system functional block diagram；
Fig. 2 is the stretching change curve of prior art measuring system；
Fig. 3 is the stretching change curve of the utility model measuring system.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In conjunction with Fig. 1, a kind of optical cable tensile deformation measuring system, including optical cable, resistive strain gage sensor, voltage-type become
Send device, fiber laser arrays computer, 24V DC power supply.Optical cable is fixedly connected by optical cable clip with resistive strain gage sensor,
Resistive strain gage sensor is connected by shielding line with voltage-type transmitter, voltage-type transmitter and fiber laser arrays computer number
It is connected according to collection terminal by shielding line, 24V DC power supply and voltage-type transmitter are connected to the power supply of voltage-type transmitter.
Resistive strain gage sensor gauge length should be 500mm, and range should be 20mm.Practical distortion measurement is substantially inclined in measurement
Difference should be less than 1 ‰.Resistive strain gage sensor both ends are fixed on using optical cable clip, it is necessary to which satisfaction can be with fixed optical cable
Effect, in practical drawing process, clip fixed point non-loosening, optical cable is fricton-tight in clip.Strain ga(u)ge formula sensing
Device is 5V voltage for bridge voltage, and feedback differential voltage is millivolt voltage.Resistive strain gage sensor wiring is 5 line systems, respectively
For 2 for bridge voltage line, 2 differential electrical crimpings, 1 shielding line.Resistive strain gage sensor selects JL500-20 resistance to answer
Become chip extensometer, extensometer is mainly made of cutting edge, spring clip, support arm and elastomer, and one group of resistance is posted on elastomer
Foil gauge and composition full-bridge.When testing progress, extensometer cutting edge generates relative displacement with the deformation of sample, causes elastomer
Also it is deformed, forms the foil gauge i.e. output skew signal of full-bridge.Gauge length positioning mechanism is housed in front of support arm, is inserted with one
Needle is accurately positioned.Cutting Edge Design is circular configuration, and can clamp round specimen can clamp flat sample again, and can arbitrarily turn after wearing
Change place improves service life.
Shielding line is 4 core double shielded cable of technical grade.Shielding line wraps up signal wire using metal net shaped braiding layer
Transmission line.Braiding layer is usually red metal or tin-coated copper, and principle is grounded by outer shield layer, and external interference signal can
The earth is imported by the layer, avoids interference signal from entering inner conductor interference while reducing the loss of transmission signal.
Voltage-type transmitter uses TDA-05A voltage-type transmitter.TDA-05 voltage-type transmitter uses aluminum alloy casing,
Inside uses imported with original packaging high performance device, sensor output signal is carried out accurate amplification, inside carries out pressure stabilizing, constant current supplies
Bridge, Voltage to current transducer, impedance, linear compensation, temperature-compensating etc..Mechanical quantity is converted into normalized current, voltage signal
0~5V or 0~10V can be switched in output, can directly with the interfaces such as automatic control equipment PLC, single-chip microcontroller, host computer terminal or
Computer networking.Have zeroing, transferring gain function outside standard signal, inputs overvoltage protection, output short circuit protection.
TDA-05A voltage-type transmitter functions parameter: input range is wide, and most of strain bridge-type can be coupled in 0.8~6mV/V
Sensor.Load capacity can connect by force with 1 350Q sensor using imported with original packaging electronic component, and response frequency is high, for a long time
The good synthesis precision of stability reaches 18~30VDC of ± 0.05%FS input power reverse connecting protection and output short circuit protection power supply
(recommending 24VDC) or 15~24VAC are suitable for the various strain bridge type magnetic sensors such as pressure pressure torque tension.Meet this technology
New design requirement.
The instrument power supply of TDA-05A voltage-type transmitter is the 24V DC voltage that 24V power supply provides, and is become by transmitter
Exported after pressure 5V DC voltage supply resistive strain gage sensor for bridge voltage, while receiving resistive strain gage sensor
The millivolt differential voltage of feedback.By the AD620 difference amplifier inside TDA-05A voltage-type transmitter by millivolt voltage amplification
Output is the DC voltage of 0-10V, this 0-10V DC voltage change value is required optical cable tensile deformation actual change value.It is logical
Zeroing and the enlarging function for crossing TDA-05A voltage-type transmitter pass through tensile deformation full in record 0 tensile deformation of optical cable and 50mm
4% maximum variable quantity obtains the voltage maximum and minimum value of the 0-10V direct current variation of deformation, establishes optical cable in a computer
Tensile deformation coordinate system be to bring the corresponding 0-10V DC voltage value of minimum and maximum changing value into.
When it is implemented, optical cable is fixed on JL500-20 resistance-strain chip extensometer by optical cable clip.JL500-
20 resistance-strain chip extensometers are connected to the interface on TDA-05A voltage-type transmitter by 4 core shielded cables, on interface
EXC+ is connected to extensometer for bridge voltage anode, the SIG that the EXC- on interface is connected to extensometer for bridge voltage cathode, on interface
+ it is connected to extensometer differential feedback positive polarity, the SIG- on interface is connected to extensometer differential feedback voltage cathode, on interface
SHILED be connected to extensometer shielding line.TDA-05A voltage-type transmitter 24V power interface accesses the output of standard 24V power supply
Positive and negative anodes, the instrument for TDA-05A voltage-type transmitter provides 24V DC voltage.TDA-05A voltage-type transmitter OUTPUT
Upper V and G interface are respectively connected to the data acquisition interface of fiber laser arrays computer.
The stress strain curve variation of prior art measuring system is given in Fig. 2, curvilinear motion is obvious, in identical state of tension
Lower running parameter is inconsistent.Fig. 3 is that the stress strain curve of the utility model measuring system changes, and linear, variation is presented in curvilinear motion
Amount is stablized.
In conclusion the utility model embodiment, optical cable tensile deformation measuring system, by resistive strain gage sensor,
Voltage-type transmitter, fiber laser arrays computer composition measure line between optical cable two o'clock by resistive strain gage sensor and deform
Variation length amount is converted into millivolt level voltage value by amount, then by voltage-type transmitter reception voltage value to be converted into analog quantity defeated
Signal is supplied to fiber laser arrays computer data acquiring end out；The utility model measures the deformation in the practical drawing process of optical cable,
Keep the parameter value in stress strain curve more accurate, so that the optical cable elongation strain curve conclusion for obtaining computer is truer
Reliably, the accuracy of test is improved.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of optical cable tensile deformation measuring system, it is characterised in that: including optical cable, resistive strain gage sensor, voltage-type
Transmitter, fiber laser arrays computer, 24V DC power supply；Optical cable connects by the way that optical cable clip and resistive strain gage sensor are fixed
It connects, resistive strain gage sensor is connected by shielding line with voltage-type transmitter, and voltage-type transmitter and fiber laser arrays calculate
Machine data collection terminal is connected by shielding line, and 24V DC power supply and voltage-type transmitter are connected to the power supply of voltage-type transmitter.
2. a kind of optical cable tensile deformation measuring system as described in claim 1, which is characterized in that the strain ga(u)ge formula passes
Sensor is JL500-20 resistance-strain chip extensometer.
3. a kind of optical cable tensile deformation measuring system as claimed in claim 2, which is characterized in that the JL500-20 resistance is answered
Becoming chip extensometer gage length should be 500mm, and range should be 20mm.
4. a kind of optical cable tensile deformation measuring system as claimed in claim 3, which is characterized in that the JL500-20 resistance is answered
Become chip extensometer for bridge voltage as 5V voltage, feedback differential voltage is millivolt voltage, and wiring is 5 line systems, and respectively 2 for bridge
Pressure-wire, 2 differential electrical crimpings, 1 shielding line.
5. a kind of optical cable tensile deformation measuring system as described in claim 1, which is characterized in that the shielding line is technical grade
4 core double shielded cables.
6. a kind of optical cable tensile deformation measuring system as described in claim 1, which is characterized in that the voltage-type transmitter is adopted
With TDA-05A voltage-type transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821097621.6U CN208847583U (en) | 2018-07-11 | 2018-07-11 | A kind of optical cable tensile deformation measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821097621.6U CN208847583U (en) | 2018-07-11 | 2018-07-11 | A kind of optical cable tensile deformation measuring system |
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| Publication Number | Publication Date |
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| CN208847583U true CN208847583U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821097621.6U Active CN208847583U (en) | 2018-07-11 | 2018-07-11 | A kind of optical cable tensile deformation measuring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500988A (en) * | 2019-08-23 | 2019-11-26 | 索尔实业(集团)有限公司 | If the underwater cable of testing agency |
| CN115931572A (en) * | 2023-03-02 | 2023-04-07 | 阳谷领航电缆有限公司 | Special cable performance online installation detection method |
-
2018
- 2018-07-11 CN CN201821097621.6U patent/CN208847583U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500988A (en) * | 2019-08-23 | 2019-11-26 | 索尔实业(集团)有限公司 | If the underwater cable of testing agency |
| CN110500988B (en) * | 2019-08-23 | 2021-08-24 | 索尔实业(集团)有限公司 | Underwater cable with detection mechanism |
| CN115931572A (en) * | 2023-03-02 | 2023-04-07 | 阳谷领航电缆有限公司 | Special cable performance online installation detection method |
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