CN113835392A - Optical cable sheath outer diameter control system and method - Google Patents
Optical cable sheath outer diameter control system and method Download PDFInfo
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- CN113835392A CN113835392A CN202111061443.8A CN202111061443A CN113835392A CN 113835392 A CN113835392 A CN 113835392A CN 202111061443 A CN202111061443 A CN 202111061443A CN 113835392 A CN113835392 A CN 113835392A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004033 diameter control Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 9
- 241000209094 Oryza Species 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1105—I-O
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Automation & Control Theory (AREA)
- Manufacturing Of Electric Cables (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an optical cable sheath outer diameter control system and method, which comprises an electric control cabinet and a meter counting wheel, wherein the electric control cabinet is respectively connected with a pay-off frame, a pay-off traction wheel, a plastic extruding machine, a cold water tank, a take-up traction wheel, the meter counting wheel and a take-up frame, an upper computer and a main control PLC are arranged inside the electric control cabinet, the signal input end of the main control PLC is connected with the meter counting wheel, the signal output end of the upper computer is connected with the main control PLC, the signal output end of the main control PLC is connected with a controller of the plastic extruding machine, the length of an optical cable is measured according to the number of pulses of the meter counting wheel after one circle, pulse signals are fed back to the main control PLC, and the outer diameter control of a sheath is realized by controlling the increase and decrease of the rotating speed of the plastic extruding machine. By the mode, the optical cable sheath outer diameter control system and the optical cable sheath outer diameter control method can save the consumption of the cable core and the sheath when the wall thickness of the optical cable is adjusted, and the requirements of different operator optical cable outer diameters of the same cable core can be met by one key when the specification of the optical cable is selected.
Description
Technical Field
The invention relates to the technical field of communication optical cable production, in particular to an optical cable sheath outer diameter control system and method.
Background
The optical cable sheath is used as the last barrier for protecting the optical cable, and the quality of the optical cable sheath is related to the adaptability of the optical cable to the environment under various laying conditions and the long-term stability of the transmission performance of the optical cable in the service life period.
The sheath mainly plays a role in protecting the cable core of the optical cable, ensures that the internal optical fiber is prevented from being damaged in the transmission, construction and use processes, ensures that the transmission performance of the optical cable is stable, and simultaneously directly influences the mechanical properties of the optical cable, such as tensile property, compression resistance, impact resistance and the like.
In the actual production process, the phenomenon that the outer diameter of the optical cable is uneven often occurs, the minimum wall thickness and other conditions which deviate from the moving and telecommunication requirements are met, the optical cable is unqualified, and the requirements of operators cannot be met. And the same cable core of dish probably produces the optical cable finished product of a plurality of operators, and the optical cable sheath wall thickness that different operators required requires the difference, needs readjust the extrusion capacity to carry out external diameter control this moment, need adjust extruding machine extrusion capacity many times when adjusting the external diameter, on-line measurement optical cable external diameter, extravagant a large amount of cable cores.
Disclosure of Invention
The technical problem mainly solved by the invention is to provide an optical cable sheath outer diameter control system and method, which can save the consumption of a cable core and a sheath when the wall thickness of an optical cable is adjusted, do not need to adjust the extrusion amount of the sheath again and test whether the outer diameter of the optical cable meets the requirements of different operators for multiple times on line, and can complete the requirements of the same cable core on the outer diameters of the optical cables of different operators by one key by selecting the specification of the optical cable.
In order to solve the technical problems, the invention adopts a technical scheme that: provides an optical cable sheath external diameter control system, which comprises a pay-off rack, a pay-off traction wheel, a plastic extruding machine, a cold water tank, a take-up traction wheel and a take-up rack which are sequentially arranged along the production line direction, and also comprises an electric control cabinet and a meter counting wheel, wherein the meter counting wheel is positioned between the take-up traction wheel and the take-up rack, the electric control cabinet is respectively connected with the pay-off rack, the pay-off traction wheel, the plastic extruding machine, the cold water tank, the take-up traction wheel, the meter counting wheel and the take-up rack,
the inside host computer and the master control PLC that are provided with of automatically controlled cabinet, master control PLC's signal input part is connected with the meter rice wheel, and the signal output part of host computer links to each other with master control PLC, and master control PLC's signal output part is connected with the inside controller of extruding machine.
In a preferred embodiment of the invention, a first guide wheel and a second guide wheel are respectively arranged on two sides of the metering wheel, and the optical cable is fed through the first guide wheel, passes through the metering wheel and then is discharged from the second guide wheel.
In a preferred embodiment of the invention, the metering wheel is connected with an encoder, the encoder is connected with a signal input end of the master control PLC, the length of the optical cable is measured according to the number of pulses of one circle of the metering wheel, and meanwhile, a pulse signal is fed back to the master control PLC.
In a preferred embodiment of the present invention, the upper computer is a configuration king upper computer, a WINCC upper computer, a force control upper computer or a kunlun state upper computer.
In order to solve the technical problem, the invention adopts another technical scheme that: the method for controlling the outer diameter of the optical cable sheath comprises the following steps:
s1, measuring original outer diameter D of optical cable sheath1Target outer diameter D of optical cable sheath2And the diameter d of the cable core0Inputting data into the upper computer, and inputting the set value L of the front section length of the optical cable into the upper computerFront sideAnd cable rear section length set value LRear end;
S2, calling a given coefficient K of the control host by the upper computer through a formula;
s3, the master control PLC receives the pulse signal of the encoder, and the length L of the cable passing through the metering wheel is calculated according to the pulse signalMeter:
When the length of the cable reaches the set value of the front section length of the optical cable, namely LMeter=LFront sideThe upper computer can simulate the output and automatically control the actual rotating speed V of the extruder in operationPractice ofIncreasing or decreasing to increase or decrease the outer diameter of the sheath;
when the length of the cable reaches the set value of the rear section length of the optical cable, namely LMeter=LRear endIn time, the upper computer can automatically control the extruder in operation to return to the original given rotating speed VGiven aSo that the sheath returns to the original outer diameter.
In a preferred embodiment of the invention, the actual speed V of the extruder in step S3Practice of=VGiven a×K。
The invention has the beneficial effects that: the system and the method for controlling the outer diameter of the sheath of the optical cable can save the consumption of the cable core and the sheath when the wall thickness of the optical cable is adjusted, do not need to readjust the extrusion amount of the sheath and test whether the outer diameter of the optical cable meets the requirements of different operators for multiple times on line, and can complete the requirements of the same cable core on the outer diameters of the optical cables of different operators by one key by selecting the specification of the optical cable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a system for controlling the outer diameter of a cable jacket according to the present invention;
FIG. 2 is a schematic structural view of a preferred embodiment of a metering wheel in the system for controlling the outer diameter of an optical cable sheath according to the present invention;
FIG. 3 is a schematic structural diagram of a preferred embodiment of the control principle of the outer diameter control system for the cable jacket according to the present invention;
the parts in the drawings are numbered as follows: 1. pay-off rack, 2, traction wheel, 3, electric control cabinet, 4, plastic extruding machine, 5, cold water tank, 6, take-up traction, 7, meter rice wheel, 8, take-up rack, 9, guide wheel I, 10, guide wheel II, 11, encoder, 12, upper computer, 13, master control PLC, 14 and plastic extruding machine controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention includes:
example one
The utility model provides an optical cable sheath external diameter control system, includes pay off rack 1, unwrapping wire traction wheel 2, extruding machine 4, cold water tank 5, receives line traction wheel 6, meter rice wheel 7 and take-up frame 8 that set gradually along the production line direction, still includes an automatically controlled cabinet 3, and automatically controlled cabinet 3 is connected with pay off rack 1, unwrapping wire traction wheel 2, extruding machine 4, cold water tank 5, receipts line traction wheel 6, meter rice wheel 7 and take-up frame 8 respectively.
And a guide wheel I9 and a guide wheel II 10 are respectively arranged on two sides of the meter counting wheel 7, the optical cable is fed through the guide wheel I9, is sent out from the guide wheel II 10 after passing through the meter counting wheel 7, and the length of the optical cable is measured through the meter counting wheel 7.
In this implementation, the electric control cabinet 3 is internally provided with an upper computer 12 and a master control PLC13, wherein the upper computer 12 is a configuration king upper computer, a WINCC upper computer, a force control upper computer, a kunlun state upper computer, and the like.
The signal input end of the master control PLC13 is connected with the metering wheel 7, the signal output end of the upper computer 12 is connected with the master control PLC13, and the signal output end of the master control PLC13 is connected with the extruding machine controller 14.
Furthermore, an encoder 11 is connected to the metering wheel 7, the encoder 11 is connected with a signal input end of the master control PLC13, the length of the optical cable is measured through the encoder 11 according to the number of pulses of the metering wheel 7 which goes through one circle, meanwhile, pulse signals are fed back to the master control PLC13, and when the set length is reached, the upper computer can simulate the feeding amount and adjust the extrusion amount of the extruding machine to control the extrusion outer diameter of the optical cable.
The extrusion amount of the sheath is controlled by the upper computer and the master control PLC13, so that the uniformity of the outer diameter of the optical cable is ensured. Therefore, the production of optical cable products with different sheath wall thicknesses required by different operators of the same cable core can be realized, the extrusion capacity of the extruding machine does not need to be readjusted, and the operation of staff is facilitated.
Example two
The method for controlling the outer diameter of the optical cable sheath comprises the following steps:
s1, measuring original outer diameter D of optical cable sheath1Target outer diameter D of optical cable sheath2And the diameter d of the cable core0Inputting data into the upper computer, and inputting the set value L of the front section length of the optical cable into the upper computerFront sideAnd cable rear section length set value LRear end。
S2, the upper computer controls the host to give a coefficient K through the calling of the formula, wherein。
S3, the master control PLC receives the pulse signal of the encoder, and the length L of the cable passing through the metering wheel is calculated according to the pulse signalMeter:
When the length of the cable reaches the set value of the front section length of the optical cable, namely LMeter=LFront sideThe upper computer can simulate the output and automatically control the actual rotating speed V of the extruder in operationPractice ofIncreasing or decreasing to increase or decrease the outer diameter of the sheath, wherein the actual rotating speed V of the extruding machinePractice of=VGiven a×K。
When the length of the cable reaches the set value of the rear section length of the optical cable, namely LMeter=LRear endIn time, the upper computer can automatically control the extruder in operation to return to the original given rotating speed VGiven aThe sheath is restored to the original outer diameter, and the production of optical cable products with different sheath wall thickness requirements of different operators of the same cable core is realized.
EXAMPLE III
After the method in the second embodiment is adopted, the production of optical cable products with the following telecommunication orders of 4km can be carried out only by selecting a process formula after the 20km mobile order is achieved, the outer diameter of the optical cable does not need to be adjusted and confirmed for many times, and the production is automatically finished by one key.
The system and the method for controlling the outer diameter of the optical cable sheath have the beneficial effects that:
the consumption of the cable core and the sheath when the wall thickness of the optical cable is adjusted can be saved, the extrusion capacity of the sheath does not need to be adjusted again, whether the outer diameter of the optical cable meets the requirements of different operators or not is tested for multiple times on line, and the requirements of the same cable core and different operators on the outer diameter of the optical cable can be met by one key by selecting the specification of the optical cable.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. An optical cable sheath outer diameter control system comprises a pay-off rack, a pay-off traction wheel, a plastic extruding machine, a cold water tank, a take-up traction wheel and a take-up rack which are sequentially arranged along the production line direction,
the electric control cabinet is respectively connected with the pay-off frame, the pay-off traction wheel, the plastic extruding machine, the cold water tank, the take-up traction wheel, the metering wheel and the take-up frame,
the inside host computer and the master control PLC that are provided with of automatically controlled cabinet, master control PLC's signal input part is connected with the meter rice wheel, and the signal output part of host computer links to each other with master control PLC, and master control PLC's signal output part is connected with the extruding machine controller.
2. The optical cable sheath outer diameter control system as claimed in claim 1, wherein a guide wheel I and a guide wheel II are respectively provided on both sides of the length-measuring wheel, and the optical cable is fed through the guide wheel I, passes through the length-measuring wheel and then is fed out from the guide wheel II.
3. The optical cable sheath outer diameter control system as claimed in claim 2, wherein the meter wheel is connected with an encoder, the encoder is connected with a signal input end of the master control PLC, the length of the optical cable is measured by the encoder according to the number of pulses of one round of the meter wheel, and the pulse signals are fed back to the master control PLC.
4. The optical cable jacket outer diameter control system of claim 3, wherein the upper computer is a configuration king upper computer, a WINCC upper computer, a force control upper computer or a Kunlun state upper computer.
5. A method for controlling the outer diameter of a cable jacket using the system for controlling the outer diameter of a cable jacket according to any one of claims 1 to 4, comprising the steps of:
s1, measuring original outer diameter D of optical cable sheath1Target outer diameter D of optical cable sheath2And the diameter d of the cable core0Inputting data into the upper computer, and inputting the set value L of the front section length of the optical cable into the upper computerFront sideAnd cable rear section length set value LRear end;
S2, calling a given coefficient K of the control host by the upper computer through a formula;
s3, the master control PLC receives the pulse signal of the encoder, and the length L of the cable passing through the metering wheel is calculated according to the pulse signalMeter:
When the length of the cable reaches the set value of the front section length of the optical cable, namely LMeter=LFront sideThe upper computer can simulate the output and automatically control the actual rotating speed V of the extruder in operationPractice ofIncreasing or decreasing to increase or decrease the outer diameter of the sheath;
when the length of the cable reaches the set value of the rear section length of the optical cable, namely LMeter=LRear endIn time, the upper computer can automatically control the extruder in operation to return to the original given rotating speed VGiven aSo that the sheath returns to the original outer diameter.
7. The method of claim 5, wherein the actual rotation speed V of the extruder in step S3Practice of=VGiven a×K。
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