CN116177867A - Preparation method, device and medium of preform based on secondary outsourcing strategy - Google Patents
Preparation method, device and medium of preform based on secondary outsourcing strategy Download PDFInfo
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- 238000012946 outsourcing Methods 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 120
- 238000003466 welding Methods 0.000 claims abstract description 105
- 238000012360 testing method Methods 0.000 claims abstract description 104
- 238000000034 method Methods 0.000 claims abstract description 94
- 238000011282 treatment Methods 0.000 claims abstract description 92
- 230000008569 process Effects 0.000 claims abstract description 56
- 230000008021 deposition Effects 0.000 claims description 38
- 238000003860 storage Methods 0.000 claims description 12
- 238000000137 annealing Methods 0.000 claims description 10
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- 238000007872 degassing Methods 0.000 claims description 5
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- 238000004519 manufacturing process Methods 0.000 abstract description 42
- 239000013307 optical fiber Substances 0.000 abstract description 18
- 238000013461 design Methods 0.000 description 6
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- 238000005253 cladding Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
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- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
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Abstract
The invention discloses a preparation method, a device and a medium of a preform based on a secondary outsourcing strategy, wherein the method comprises the following steps: preparing an initial VAD sintering rod, and performing VAD test on the initial VAD sintering rod to obtain a first test result; performing first welding treatment on the initial VAD sintered rod based on a first test result to obtain an initial VAD core rod; performing OVD circulation outsourcing treatment on the initial VAD core rod according to a secondary outsourcing strategy to obtain a secondary outsourcing prefabricated rod; the method can fully utilize the overlong OVD sintered rod obtained after the first outsourcing, forms one-to-many output logic, outputs a plurality of prefabricated rods through a small number of core rods, has strong process flow stability, improves the utilization rate of the core rods and the production efficiency of the prefabricated rods, improves the output ratio of the prefabricated rods, reduces the production cost of the prefabricated rods, has extremely high convenience, and provides a new way for the production and the manufacture of the optical fiber prefabricated rods.
Description
Technical Field
The invention relates to the technical field of optical fiber manufacturing, in particular to a method, a device and a medium for preparing a preform based on a secondary outsourcing strategy, which are applied to the field of optical fiber preform manufacturing.
Background
In the industry chain of optical rod-optical fiber-optical cable, optical fiber preforms are the most critical links in the whole industry chain. The optical fiber preform is an upstream raw material for an optical fiber cable and accounts for about 65% -70% of the total cost of the optical fiber. In recent years, the manufacture of optical fiber preforms is influenced by factors such as market environmental changes and the like, and challenges such as continuous rising of raw material prices, rapid increase of labor and power costs and the like are faced; therefore, in order to relieve the pressure, manufacturers at home and abroad are searching for ways to reduce the manufacturing cost of the preform, so that a method for reducing the manufacturing cost of the preform is provided, and the need is felt.
Currently, in the prior art, the vapor deposition process for producing optical fiber preforms has been developed as a "Two-step process", i.e., a first step of producing a core rod and a second step of adding an overclad layer to the core rod, and the specific process flow is: when producing the core rod, it is necessary to produce part of the cladding, so as to ensure the optical quality of the optical fiber, then, the core rod is thinned into a plurality of small core rods according to the size of the core rod, then, the outer cladding is added on the core rod to produce the preform, meanwhile, the preform can be selectively thinned according to the sizes of the preform and the wire drawing furnace, and the existing production method of the preform is based on one-to-one output logic between the core rod and the preform, the output ratio is relatively fixed, and the production cost is difficult to reduce, so on this basis, it is necessary to design an optical fiber preform production process capable of improving the initial core rod utilization rate, improving the production efficiency and reducing the production cost.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a preparation method, a device and a medium of a preform based on a secondary outsourcing strategy, so that the utilization rate of an initial core rod in the production process of the preform is improved, the overall production efficiency is improved, the production cost of the optical fiber preform is reduced, and a new way is provided for the production and manufacture of the optical fiber preform.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
in one aspect, the invention provides a method for preparing a preform based on a secondary outsourcing strategy, comprising the following steps:
an initial VAD step:
preparing an initial VAD sintering rod, and performing VAD test on the initial VAD sintering rod to obtain a first test result;
an initial welding step:
performing first welding treatment on the initial VAD sintering rod based on the first test result to obtain an initial VAD core rod;
and (3) secondary outsourcing:
and carrying out OVD circulation outsourcing treatment on the initial VAD core rod according to a secondary outsourcing strategy to obtain a secondary outsourcing prefabricated rod.
As an improved solution, the secondary outsourcing strategy includes:
performing core rod OVD outsourcing treatment on the initial VAD core rod to obtain a first OVD sintered rod;
performing second welding treatment on the first OVD sintering rod to obtain a first OVD core rod;
and carrying out core rod OVD overcladding treatment on the first OVD core rod again to obtain the secondary overcladding preform.
As an improved scheme, the core rod OVD overcladding process includes:
performing OVD deposition treatment on the initial VAD core rod to obtain a first OVD deposition body;
performing OVD sintering treatment on the first OVD deposition body to obtain a first OVD sintering body;
performing OVD annealing treatment on the first OVD sintered body to obtain a first OVD sintered rod;
or alternatively, the first and second heat exchangers may be,
performing OVD deposition treatment on the first OVD core rod to obtain a second OVD deposition body;
performing OVD sintering treatment on the second OVD deposition body to obtain a second OVD sintering body;
and carrying out OVD annealing treatment on the second OVD sintered body to obtain the secondary outsourcing preform.
As an improvement, the second welding process includes:
performing half-and-half cutting on the first OVD sintering rod to obtain a plurality of second OVD sintering rods;
welding first tail handles at two ends of each second OVD sintering rod to obtain a plurality of first welding OVD sintering rods;
respectively carrying out stretching treatment on each first welded OVD sintering rod to obtain a plurality of initial OVD core rods;
performing OVD test on a plurality of initial OVD core rods respectively;
welding second tail handles at two ends of a sintering rod on an initial OVD core rod passing the OVD test in the initial OVD core rods; setting an initial OVD core rod welded by the second tail handles at two ends of the sintering rod as the first OVD core rod.
As an improvement, the preparing of the initial VAD sintered rod includes:
VAD deposition treatment is carried out based on a VAD process platform, so as to obtain a VAD deposition body;
performing VAD sintering treatment on the VAD deposition body based on the VAD process platform to obtain a VAD sintered body;
and performing VAD degassing treatment on the VAD sintered body based on the VAD process platform to obtain the initial VAD sintered rod.
As an improvement, the first test result includes: a first result and a second result; the first result is that the VAD test is qualified, and the second result is that the VAD test is not qualified;
the VAD test is carried out on the initial VAD sintering rod to obtain a first test result, which comprises the following steps:
setting VAD test qualified parameters;
detecting sintering rod parameters of the initial VAD sintering rod;
comparing whether the sintering rod parameters are matched with the VAD test qualified parameters;
if so, generating the first result; if not, generating the second result.
As an improvement, the performing a first welding treatment on the initial VAD sintered rod based on the first test result to obtain an initial VAD mandrel includes:
identifying the first test result;
and when the first test result is the first result, performing the first welding treatment on the initial VAD sintering rod to obtain the initial VAD core rod.
As an improvement, the first welding process includes:
welding first tail handles at two ends of the initial VAD sintering rod to obtain a first welded VAD sintering rod;
stretching the first welded VAD sintering rod to obtain a first stretched VAD core rod;
and welding second tail handles at two ends of the sintering rod on the first stretching VAD core rod to obtain the initial VAD core rod.
On the other hand, the invention also provides a preform preparation device based on the secondary outsourcing strategy, which comprises: the device comprises a controller module, a VAD module, an OVD module, a test module, a welding module and a stretching module;
the VAD module is used for preparing an initial VAD sintering rod, and the VAD module performs VAD test on the initial VAD sintering rod through the test module to obtain a first test result; the VAD module performs first welding treatment on the initial VAD sintering rod through the welding module and the stretching module based on the first test result to obtain an initial VAD core rod;
the OVD module is used for carrying out OVD circulation outsourcing treatment on the initial VAD core rod according to a secondary outsourcing strategy in cooperation with the testing module, the welding module and the stretching module to obtain a secondary outsourcing preform;
the controller module is used for controlling the VAD module, the OVD module, the test module, the welding module and the stretching module to be matched with each other.
In another aspect, the present invention also provides a computer readable storage medium having a computer program stored thereon, the computer program implementing the steps of the method for preparing a preform based on a secondary outsourcing strategy when being executed by a processor.
The technical scheme of the invention has the beneficial effects that:
1. the preparation method of the preform based on the secondary overcladding strategy can realize the design of the production flow of the double-clad preform, designs specific welding times, stretching times and testing times in detail, fully utilizes the overlong OVD sintered rod obtained after the first overcladding, forms one-to-many output logic, outputs a large number of preforms through a small number of mandrels, has strong process flow stability, improves the utilization rate of the mandrels and the production efficiency of the preforms, improves the output ratio of the preforms, greatly reduces the production cost of the preforms, has extremely high convenience and application value, compensates the blank of the prior art, and provides a new way for the production and the manufacture of the optical fiber preforms.
2. According to the preparation device of the preform based on the secondary outsourcing strategy, the intelligent operation of the manufacturing process of the double-cladding preform can be further realized through the mutual matching of the controller module, the VAD module, the OVD module, the testing module, the welding module and the stretching module, the overlength OVD sintered rod obtained after the first outsourcing is fully utilized, one-to-many output logic is formed, a large number of preforms are produced through a small number of mandrels, the stability of the process flow is high, the utilization rate of the mandrels and the production efficiency of the preforms are improved, the output ratio of the preforms is improved, the production cost of the preforms is greatly reduced, a visual humanized operation interface is provided for operators through the controller module, the defect of the prior art is overcome, and a new way is provided for the production and the manufacture of the optical fiber preform.
3. The computer readable storage medium can realize the coordination of the guide controller module, the VAD module, the OVD module, the test module, the welding module and the stretching module, so as to realize the preparation method of the preform based on the secondary outsourcing strategy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for preparing a preform based on a secondary overcladding strategy according to embodiment 1 of the present invention;
FIG. 2 is a schematic flow chart of a secondary overcladding strategy in a method for preparing a preform based on the secondary overcladding strategy according to embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a device for preparing a preform based on a secondary overcladding strategy according to embodiment 2 of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
In the description of the present invention, it should be noted that the described embodiments of the present invention are some, but not all embodiments of the present invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or device.
Example 1
The embodiment provides a preparation method of a preform based on a secondary outsourcing strategy, as shown in fig. 1 and 2, comprising the following steps:
s100, an initial VAD step, specifically comprising:
s110, preparing an initial VAD sintering rod, and performing VAD test on the initial VAD sintering rod to obtain a first test result; in the embodiment, the sintered rod based on the VAD process is manufactured through the step S100, the manufactured initial VAD sintered rod is tested, after the initial VAD sintered rod is ensured to be qualified, the sintered rod is flowed to the subsequent process for welding, stretching and other treatments, and then the initial core rod is produced;
as an embodiment of the present invention, the preparing an initial VAD sintered rod includes: VAD deposition treatment is carried out based on a VAD process platform, so as to obtain a VAD deposition body; after VAD deposition, performing VAD sintering treatment on the VAD deposition body based on the VAD process platform to obtain a VAD sintered body; and (3) after VAD sintering, performing VAD degassing treatment on the VAD sintered body based on the VAD process platform, and obtaining the de-bubbling and de-stressing sintered rod after the VAD degassing treatment, namely the initial VAD sintered rod.
As one embodiment of the present invention, the first test result includes: a first result and a second result; the first result is that the VAD test is qualified, and the second result is that the VAD test is not qualified; the VAD test is carried out on the initial VAD sintering rod to obtain a first test result, which comprises the following steps: setting VAD test qualified parameters which are preset in the method and relate to physical parameters of all aspects of the sintered rod which are required to be met after the VAD sintered rod is prepared by a VAD process platform; the sintering rod parameters of the initial VAD sintering rod are detected, and the sintering rod parameters are all physical parameters of the initial VAD sintering rod, which have the same format and category as the qualified parameters of the VAD test; then comparing whether the sintering rod parameters are matched with the VAD test qualified parameters; if the first result is matched, the current initial VAD sintered rod is qualified, and the first result is generated; if not, the second result is generated, indicating that the current initial VAD sintered rod is not qualified.
S200, an initial welding step, specifically comprising the following steps:
s210, performing first welding treatment on the initial VAD sintering rod based on the first test result to obtain an initial VAD core rod; in the present embodiment, the initial sintered rod is subjected to the processes such as welding the butt and drawing in step S200, and the sintered rod is further subjected to the subsequent overcladding process.
As one embodiment of the present invention, the performing a first welding process on the initial VAD sintered rod based on the first test result to obtain an initial VAD mandrel includes: firstly, identifying the first test result; when the first test result is the first result, the initial VAD sintering rod obtained in the previous step is proved to meet the requirement, and subsequent welding and stretching treatment can be performed, so that the first welding treatment is performed on the initial VAD sintering rod, and the initial VAD mandrel is obtained.
As an embodiment of the present invention, the first welding process includes: performing first welding on the end part of the initial VAD sintered rod, wherein the first welding on the end part refers to welding first tail handles at two ends of the sintered rod to obtain a first welded VAD sintered rod; the operation of welding the first tail handles at the two ends of the sintering rod, namely, respectively welding the tail handles required by the stretching treatment at the two ends of the head and the tail of the initial VAD sintering rod; after welding is completed, stretching the first welded VAD sintering rod to obtain a first stretched VAD core rod; after stretching, performing end second welding on the first stretched VAD core rod, wherein the end second welding refers to welding second tail handles at two ends of a sintered rod in the step to obtain the initial VAD core rod; the operation of welding the second tail handles at the two ends of the sintering rod, namely, welding the tail handles required by the subsequent outsourcing treatment at the head end and the tail end (the S, E ends of the first stretching VAD core rod) of the stretched first stretching VAD core rod respectively; after welding, obtaining the initial VAD core rod, and performing subsequent secondary outsourcing on the initial VAD core rod;
s300, a secondary outsourcing step, which specifically comprises the following steps:
s310, performing OVD (over-the-counter (OVD) cyclic overcladding treatment on the initial VAD core rod according to a secondary overcladding strategy to obtain a secondary overcladding preform; in the embodiment, the step S300 is used for performing secondary outsourcing on the welded and stretched VAD core rod, wherein the secondary outsourcing is the aforementioned OVD cyclic outsourcing treatment, and is the core step in the method, in the step, the VAD core rod is subjected to two outsourcing operations, after the first outsourcing, the OVD sintered rod with longer length is subjected to segmentation treatment to form one-to-many output logic, and then a plurality of OVD sintered rods are respectively welded, stretched and tested, and subjected to the secondary outsourcing treatment, and finally, the output of the sintered rod subjected to the secondary outsourcing is used as the final secondary outsourcing prefabricated rod, so that the production efficiency is greatly improved, the production cost is reduced, and the utilization rate of the core rod is improved;
as an embodiment of the present invention, the secondary outsourcing policy includes:
s3110, performing core rod OVD outsourcing treatment on the initial VAD core rod to obtain a first OVD sintered rod, wherein the core rod OVD outsourcing treatment in the step S3110 is the first outsourcing of the core rod;
s3120, performing second welding treatment on the first OVD sintered rod to obtain a first OVD core rod, wherein the second welding treatment is different from the first welding treatment in the previous step, and in the step, cutting the sintered rod which is too long after primary outsourcing is performed to form one-to-many output logic, so that the utilization rate of the core rod is improved; the slitting treatment comprises, but is not limited to, half slitting or non-equidistant slitting, so that the slitting effect is achieved and the utilization rate of the core rod is improved;
s3130, carrying out core rod OVD overcladding treatment on the first OVD core rod again to obtain the secondary overcladding preform; the core rod OVD outsourcing treatment in the step S3130 is a second outsourcing treatment on the core rod, so that the cyclic secondary outsourcing is realized;
as one embodiment of the present invention, the core rod OVD overcladding process includes: core rod OVD overcladding of the initial VAD core rod and core rod OVD overcladding of the first OVD core rod;
in this embodiment, the core rod OVD overcladding process for the initial VAD core rod includes: performing OVD deposition treatment on the initial VAD core rod to obtain a first OVD deposition body; after performing OVD deposition, performing OVD sintering treatment on the first OVD deposition body to obtain a first OVD sintered body; after performing OVD sintering, performing OVD annealing treatment on the first OVD sintered body, and obtaining an OVD sintered body after removing bubbles and stress after performing OVD annealing treatment, thereby obtaining a first OVD sintered rod, wherein the first OVD sintered rod is a sintered rod to be subjected to secondary wrapping;
in this embodiment, the core rod OVD overcladding process, that is, the secondary overcladding process, for the first OVD core rod includes: performing OVD deposition treatment on the first OVD core rod to obtain a second OVD deposition body; after the OVD deposition, performing OVD sintering treatment on the second OVD deposition body to obtain a second OVD sintering body; after the OVD sintering, carrying out OVD annealing treatment on the second OVD sintered body, and obtaining a preform after bubble removal and stress relief after the OVD annealing treatment, thereby obtaining the secondary outsourcing preform; the secondary outsourcing preformed rod is the produced final preformed rod and can be transferred to the subsequent wire drawing treatment process in the optical fiber manufacturing procedure;
as an embodiment of the present invention, the second welding process includes: because the produced first OVD sintering rod is too long, the first OVD sintering rod is optionally split in half or in different distances to obtain a plurality of second OVD sintering rods; correspondingly, in the present embodiment, the number of half-cut times and the cut intervals of the first OVD sintered rod are not limited, but in the present embodiment, two second OVD sintered rods are obtained, but in the present method, the number of the plurality of second OVD sintered rods includes, but is not limited to, two; the half-cutting is not limited to cutting only the first OVD sintering rod, and the half-cutting is also carried out on the obtained second OVD sintering rod again, and is only taken as an example of one type of cutting; in this embodiment, the position of the half-cut is not limited, and the position of the half-cut is specifically set according to the length of the first OVD sintering rod, so as to meet the specification requirement in the sintering rod manufacturing process; after cutting, respectively carrying out end welding on each second OVD sintering rod obtained by cutting, wherein the end welding is welding of first tail handles at two ends of the sintering rods, so as to obtain a plurality of first welding OVD sintering rods; the first tail handles at the two ends of the sintering rod are welded, and the tail handles required by stretching the two ends of each second OVD sintering rod are welded; after welding, respectively carrying out stretching treatment on each first welding OVD sintering rod to obtain a plurality of initial OVD core rods, wherein the number of the initial OVD core rods corresponds to the number of the first welding OVD sintering rods; after the stretching is finished, respectively performing OVD test on a plurality of initial OVD core rods; the principle of the OVD test is the same as that of the VAD test, namely, the comparison test is carried out on a plurality of initial OVD core rods according to the physical parameters of all aspects to be met by a preset preform, and finally, the initial OVD core rods passing through the OVD test in the plurality of initial OVD core rods are selected as qualified OVD core rods; the end welding is carried out on the initial OVD core rods passing the OVD test in the initial OVD core rods, and the end welding at the end welding is the welding of the second tail handles at the two ends of the sintering rod; the second tail handles at the two ends of the sintering rod are welded, namely the tail handles required by the outsourcing process are respectively welded at the two ends of S, E of the initial OVD core rod; setting an initial OVD core rod welded by the second tail handles at two ends of the sintering rod as the first OVD core rod; the first OVD core rod is the core rod capable of performing the second outsourcing process; in the method, because the physical structures of the first OVD sintered rod after the first overcladding and the first OVD mandrel after the second overcladding are similar, when the method is operated intelligently, the number of times of overcladding is judged for the product obtained after each overcladding process (mandrel OVD overcladding process), that is, whether the product obtained after each mandrel OVD overcladding process is the first overcladding or not is judged, if yes, the second welding process is performed, and a subsequent step S3130 is performed; if not, the core rod OVD is obtained after the overcladding treatment, and the obtained product is a preform after the secondary overcladding treatment, so that the core rod OVD flows into the subsequent wire drawing treatment process in the optical fiber manufacturing process.
Example 2
This embodiment provides a preform preparation apparatus based on a secondary overcladding strategy based on the same inventive concept as that of the preform preparation method based on the secondary overcladding strategy described in embodiment 1, as shown in fig. 3, including: the device comprises a controller module, a VAD module, an OVD module, a test module, a welding module and a stretching module; in the embodiment, the controller module adopts a PLC controller, the PLC controller controls calling cooperation and information circulation among the VAD module, the OVD module, the test module, the welding module and the stretching module, and the PLC controller can acquire relevant parameter information about a sintering rod or a core rod corresponding to each procedure treatment flow from the VAD module, the OVD module, the test module, the welding module and the stretching module; controlling the cooperation among the VAD module, the OVD module, the testing module, the welding module and the stretching module according to the acquired related parameter information, and carrying out the circulation of working procedures and the calling of the modules on the sintering rod, the core rod or the prefabricated rod;
as one embodiment of the present invention, the controller module is configured to control the VAD module, the OVD module, the test module, the welding module, and the stretching module to cooperate with each other;
as an implementation mode of the invention, the VAD module is used for preparing an initial VAD sintered rod, and the VAD module performs VAD test on the initial VAD sintered rod through the test module to obtain a first test result;
the VAD module prepares an initial VAD sintered rod comprising: the VAD module carries out VAD deposition treatment based on a VAD process platform to obtain a VAD deposition body; the VAD module carries out VAD sintering treatment on the VAD sediment based on the VAD process platform to obtain a VAD sintered body; and the VAD module carries out VAD degassing treatment on the VAD sintered body based on the VAD process platform to obtain the initial VAD sintered rod.
As one embodiment of the present invention, the first test result includes: a first result and a second result; the first result is that the VAD test is qualified, and the second result is that the VAD test is not qualified;
the VAD module performs VAD test on the initial VAD sintering rod through the test module to obtain a first test result, which comprises the following steps:
the test module is provided with VAD test qualified parameters; the testing module obtains initial parameter information of the prepared initial VAD sintering rod through the VAD module and detects sintering rod parameters of the initial VAD sintering rod; the test module compares whether the sintering rod parameters are matched with the VAD test qualified parameters or not; if so, the test module generates the first result; if not, the test module generates the second result.
As an implementation mode of the invention, the VAD module performs a first welding process on the initial VAD sintered rod by the welding module and the stretching module based on the first test result to obtain an initial VAD mandrel;
the VAD module performs a first welding process on the initial VAD sintering rod through the welding module and the stretching module based on the first test result to obtain an initial VAD core rod, and the method comprises the following steps:
the VAD module identifies the first test result from the test module based on the welding module; and when the first test result is the first result, the welding module acquires the initial VAD sintering rod with qualified parameters from the test module, and the welding module and the stretching module cooperate to perform the first welding treatment comprising the stretching treatment on the initial VAD sintering rod with qualified parameters to obtain the initial VAD core rod.
As an embodiment of the present invention, the first welding process includes: the welding module is used for welding first tail handles at two ends of the initial VAD sintering rod to obtain a first welded VAD sintering rod; the first welding VAD sintering rod flows to the stretching module, and the stretching module stretches the first welding VAD sintering rod to obtain a first stretching VAD core rod; the first stretching VAD core rod flows to the welding module, and the welding module welds the second tail handles at the two ends of the sintering rod on the first stretching VAD core rod again to obtain the initial VAD core rod; the initial VAD mandrel would flow to the OVD module.
As an implementation mode of the invention, the OVD module is configured to perform OVD cyclic overcladding processing on the initial VAD mandrel according to a secondary overcladding policy in cooperation with the test module, the welding module, and the stretching module, so as to obtain a secondary overcladding preform;
as an embodiment of the present invention, the secondary outsourcing policy includes: the OVD module performs core rod OVD outsourcing treatment on the initial VAD core rod to obtain a first OVD sintered rod; the OVD module is matched with the welding module, the testing module and the stretching module to perform second welding treatment comprising testing and stretching treatment on the first OVD sintering rod, so that a first OVD core rod is obtained; and the OVD module carries out core rod OVD outsourcing treatment again on the first OVD core rod again to obtain the secondary outsourcing preform.
As one embodiment of the present invention, the core rod OVD overcladding process includes: when the first outsourcing is carried out, the OVD module carries out OVD deposition treatment on the initial VAD core rod to obtain a first OVD deposition body; the OVD module performs OVD sintering treatment on the first OVD deposition body to obtain a first OVD sintering body; the OVD module performs OVD annealing treatment on the first OVD sintered body to obtain the first OVD sintered rod; or, when the second outsourcing is carried out, the OVD module carries out OVD deposition treatment on the first OVD core rod to obtain a second OVD deposition body; the OVD module performs OVD sintering treatment on the second OVD deposition body to obtain a second OVD sintering body; and the OVD module performs OVD annealing treatment on the second OVD sintered body to obtain the secondary outsourcing prefabricated rod.
As an embodiment of the present invention, the second welding process includes: the welding module performs half-and-half cutting on the first OVD sintering rod to obtain a plurality of second OVD sintering rods; the welding module respectively welds first tail handles at two ends of each second OVD sintering rod to obtain a plurality of first welding OVD sintering rods; the stretching module stretches each first welded OVD sintering rod to obtain a plurality of initial OVD core rods; the testing module respectively performs OVD tests on a plurality of initial OVD core rods; the welding module is used for welding second tail handles at two ends of the sintering rod on the initial OVD core rod passing the OVD test in the initial OVD core rods; setting an initial OVD core rod welded by the second tail handles at two ends of the sintering rod as the first OVD core rod.
Example 3
The present embodiment provides a computer-readable storage medium including:
the storage medium is used for storing computer software instructions for implementing the method for preparing a preform based on a secondary outsourcing strategy according to the above embodiment 1, and the computer software instructions include a program for executing the above program set for the method for preparing a preform based on a secondary outsourcing strategy; specifically, the executable program may be built in the preform manufacturing apparatus based on the secondary outsourcing strategy of embodiment 2, so that the preform manufacturing apparatus based on the secondary outsourcing strategy may implement the preform manufacturing method based on the secondary outsourcing strategy of embodiment 1 by executing the built-in executable program.
Further, the computer readable storage medium provided in the present embodiment may be any combination of one or more readable storage media, where the readable storage media includes an electric, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof.
Compared with the prior art, the preparation method, the device and the medium for the preform based on the secondary outsourcing strategy can realize the design of the manufacturing process of the double-cladding preform, design specific welding times, stretching times and testing times in detail, fully utilize the overlong OVD sintered rod obtained after the first outsourcing, form one-to-many output logic, output a plurality of preforms through a small number of mandrels, have strong process flow stability, improve the utilization rate of the mandrels and the production efficiency of the preforms, improve the output ratio of the preforms, greatly reduce the production cost of the preforms, realize the intelligent and controllable whole process flow, have extremely high convenience and application value, make up the gap of the prior art, and provide a new way for the production and the manufacture of the optical fiber preforms.
It should be understood that, in the various embodiments herein, the sequence number of each process described above does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not constitute any limitation on the implementation process of the embodiments herein.
It should also be understood that in embodiments herein, the term "and/or" is merely one relationship that describes an associated object, meaning that three relationships may exist. For example, a and/or B may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein may be embodied in electronic hardware, in computer software, or in a combination of the two, and that the elements and steps of the examples have been generally described in terms of function in the foregoing description to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, and are not repeated herein.
In the several embodiments provided herein, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices, or elements, or may be an electrical, mechanical, or other form of connection.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the elements may be selected according to actual needs to achieve the objectives of the embodiments herein.
In addition, each functional unit in the embodiments herein may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions herein are essentially or portions contributing to the prior art, or all or portions of the technical solutions may be embodied in the form of a software product stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments herein. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The preparation method of the preform based on the secondary outsourcing strategy is characterized by comprising the following steps of:
an initial VAD step:
preparing an initial VAD sintering rod, and performing VAD test on the initial VAD sintering rod to obtain a first test result;
an initial welding step:
performing first welding treatment on the initial VAD sintering rod based on the first test result to obtain an initial VAD core rod;
and (3) secondary outsourcing:
and carrying out OVD circulation outsourcing treatment on the initial VAD core rod according to a secondary outsourcing strategy to obtain a secondary outsourcing prefabricated rod.
2. The method for preparing the preform based on the secondary outsourcing strategy according to claim 1, wherein the method comprises the following steps:
the secondary outsourcing strategy comprises the following steps:
performing core rod OVD outsourcing treatment on the initial VAD core rod to obtain a first OVD sintered rod;
performing second welding treatment on the first OVD sintering rod to obtain a first OVD core rod;
and carrying out core rod OVD overcladding treatment on the first OVD core rod again to obtain the secondary overcladding preform.
3. The method for preparing the preform based on the secondary outsourcing strategy according to claim 2, which is characterized in that:
the core rod OVD outsourcing treatment comprises the following steps:
performing OVD deposition treatment on the initial VAD core rod to obtain a first OVD deposition body;
performing OVD sintering treatment on the first OVD deposition body to obtain a first OVD sintering body;
performing OVD annealing treatment on the first OVD sintered body to obtain a first OVD sintered rod;
or alternatively, the first and second heat exchangers may be,
performing OVD deposition treatment on the first OVD core rod to obtain a second OVD deposition body;
performing OVD sintering treatment on the second OVD deposition body to obtain a second OVD sintering body;
and carrying out OVD annealing treatment on the second OVD sintered body to obtain the secondary outsourcing preform.
4. The method for preparing the preform based on the secondary outsourcing strategy according to claim 2, which is characterized in that:
the second welding process includes:
cutting the first OVD sintering rod to obtain a plurality of second OVD sintering rods;
respectively performing end welding on each second OVD sintering rod to obtain a plurality of first welding OVD sintering rods;
respectively carrying out stretching treatment on each first welded OVD sintering rod to obtain a plurality of initial OVD core rods;
performing OVD test on a plurality of initial OVD core rods respectively;
performing end welding on an initial OVD core rod passing the OVD test in a plurality of initial OVD core rods; setting an initial OVD mandrel subjected to the end welding as the first OVD mandrel.
5. The method for preparing the preform based on the secondary outsourcing strategy according to claim 1, wherein the method comprises the following steps:
the preparation of the initial VAD sintered rod comprises the following steps:
VAD deposition treatment is carried out based on a VAD process platform, so as to obtain a VAD deposition body;
performing VAD sintering treatment on the VAD deposition body based on the VAD process platform to obtain a VAD sintered body;
and performing VAD degassing treatment on the VAD sintered body based on the VAD process platform to obtain the initial VAD sintered rod.
6. The method for preparing the preform based on the secondary outsourcing strategy according to claim 5, wherein the method comprises the following steps:
the first test result includes: a first result and a second result; the first result is that the VAD test is qualified, and the second result is that the VAD test is not qualified;
the VAD test is carried out on the initial VAD sintering rod to obtain a first test result, which comprises the following steps:
setting VAD test qualified parameters;
detecting sintering rod parameters of the initial VAD sintering rod;
comparing whether the sintering rod parameters are matched with the VAD test qualified parameters;
if so, generating the first result; if not, generating the second result.
7. The method for preparing the preform based on the secondary outsourcing strategy according to claim 6, wherein the method comprises the following steps:
performing a first welding process on the initial VAD sintered rod based on the first test result to obtain an initial VAD mandrel, including:
identifying the first test result;
and when the first test result is the first result, performing the first welding treatment on the initial VAD sintering rod to obtain the initial VAD core rod.
8. The method for preparing the preform based on the secondary outsourcing strategy according to claim 1, wherein the method comprises the following steps:
the first welding process includes:
performing first welding on the end part of the initial VAD sintered rod to obtain a first welded VAD sintered rod;
stretching the first welded VAD sintering rod to obtain a first stretched VAD core rod;
and performing end second welding on the first stretching VAD core rod to obtain the initial VAD core rod.
9. A preform preparation apparatus based on a secondary overcladding strategy, comprising: the device comprises a controller module, a VAD module, an OVD module, a test module, a welding module and a stretching module;
the VAD module is used for preparing an initial VAD sintering rod, and the VAD module performs VAD test on the initial VAD sintering rod through the test module to obtain a first test result; the VAD module performs first welding treatment on the initial VAD sintering rod through the welding module and the stretching module based on the first test result to obtain an initial VAD core rod;
the OVD module is used for carrying out OVD circulation outsourcing treatment on the initial VAD core rod according to a secondary outsourcing strategy in cooperation with the testing module, the welding module and the stretching module to obtain a secondary outsourcing preform;
the controller module is used for controlling the VAD module, the OVD module, the test module, the welding module and the stretching module to be matched with each other.
10. A computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and the computer program when executed by a processor implements the steps of the method for preparing a preform based on a secondary outsourcing strategy according to any one of claims 1 to 8.
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