CN119533727A - A dry RIP casing core winding paper stress test method based on optical fiber - Google Patents
A dry RIP casing core winding paper stress test method based on optical fiber Download PDFInfo
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- CN119533727A CN119533727A CN202411806621.9A CN202411806621A CN119533727A CN 119533727 A CN119533727 A CN 119533727A CN 202411806621 A CN202411806621 A CN 202411806621A CN 119533727 A CN119533727 A CN 119533727A
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- optical fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 166
- 238000004804 winding Methods 0.000 title claims abstract description 37
- 238000010998 test method Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000004927 fusion Effects 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 2
- 230000002950 deficient Effects 0.000 abstract description 7
- 238000009662 stress testing Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
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- Physics & Mathematics (AREA)
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Abstract
本发明涉及一种基于光纤的干式RIP套管芯子卷绕纸应力测试方法，其特征在于：具体测试方法如下：S1：光纤的布置；S2：光纤的衔接；S3：光纤的引出；S4：芯子的流转；通过采用光纤卷绕设置在芯子的卷绕纸中，通过光纤层结构跟随整个带有卷绕纸的芯子一起进行流转生产；这样可以保证在每个工序中可以随时对芯子进行检测，避免不合格的芯子在生产工序中流转；这种方式一方面能够随时挑出次品，降低次品的产生，提高了产品的合格率；另一方面，也可以在生产流程中尽快发现残次品，降低生产成本。
The present invention relates to a dry RIP sleeve core winding paper stress testing method based on optical fiber, which is characterized by: the specific testing method is as follows: S1: optical fiber arrangement; S2: optical fiber connection; S3: optical fiber lead-out; S4: core circulation; by adopting optical fiber winding and setting in the winding paper of the core, the optical fiber layer structure follows the entire core with the winding paper for circulation production; in this way, it can be ensured that the core can be tested at any time in each process, and unqualified cores are prevented from circulating in the production process; on the one hand, this method can pick out defective products at any time, reduce the generation of defective products, and improve the qualified rate of products; on the other hand, it can also find defective products as soon as possible in the production process, and reduce production costs.
Description
Technical Field
The invention relates to the technical field of stress test, in particular to a method for testing the stress of a dry RIP sleeve core winding paper based on an optical fiber.
Background
The epoxy resin paper-impregnated dry sleeve needs to be subjected to drying, pouring, curing and other processes after the core is manufactured, the axial shrinkage stress of the cured product is larger, the sleeve core is easy to crack under the action of external forces such as subsequent core turning, assembly, core pulling and the like, in order to monitor the stress of the winding paper on the sleeve in real time in the production process, the detection after the core production is finished is avoided, the hysteresis detection mode cannot be found at all in the production process of the product, and the production cost of enterprises is enlarged, so that the stress test of the winding paper is needed, the stress detection of the winding paper of the core in each process can be realized, and the problem that defective products circulate in the production process is avoided.
Disclosure of Invention
The invention aims to provide a method for testing the stress of a dry RIP sleeve core winding paper based on an optical fiber, which can solve the problem that the stress generated in the circulation process of the traditional dry RIP sleeve core winding paper cannot be detected.
In order to solve the technical problems, the technical scheme of the invention is that the method for testing the stress of the dry RIP sleeve core winding paper based on the optical fiber is characterized by comprising the following specific steps:
The method comprises the steps of S1, arranging optical fibers, namely dividing the outer winding paper of a core into a plurality of layers, separating the winding paper of each layer by a reversing optical fiber group, wherein the annular optical fiber group comprises a first annular optical fiber layer, a second annular optical fiber layer and a third annular optical fiber layer, and each annular optical fiber layer is provided with two annular optical fiber units;
S2, splicing optical fibers:
S2.1, one optical fiber unit of the first annular optical fiber layer is in fusion connection with a first optical fiber unit in the first axial optical fiber layer, and the other optical fiber unit of the first annular optical fiber layer is in fusion connection with a second optical fiber unit of the first axial optical fiber layer;
s2.2, the welding mode of the second circumferential optical fiber layer and the second longitudinal optical fiber layer is the same as that of S2.1;
S2.3, one optical fiber unit of the third annular optical fiber layer is in fusion connection with the first optical fiber unit and the second optical fiber unit in the third axial optical fiber layer, and the other optical fiber unit of the third annular optical fiber layer is in fusion connection with the third optical fiber unit and the fourth optical fiber unit of the third axial optical fiber layer;
S3, leading out optical fibers, wherein the optical fibers are led out from the core in three layers and are respectively connected to a demodulator;
And S4, circulating the core, namely after the core finishes the optical fiber winding, hoisting the core through a workshop, conveying the core into a vacuum tank, hoisting the core out, detecting whether the core is broken by using a red light pen, comprehensively detecting the whole working procedure of optical fiber arrangement and workshop circulation, and detecting by using red light pen equipment, wherein the production and processing composite technological procedure of the core is regarded as the condition that the optical fiber is broken or the signal is abnormal.
Furthermore, in the S1 optical fiber arrangement, the bending radius of the pipeline is designed to be increased aiming at the vertical corner of the core, the bending radius position of the optical fiber is fixed by using a paper adhesive tape, so that the displacement can be avoided, the light is protected at the same time, the fixing is carried out only at the beginning and the end of each circumference, the two positions are ensured to be on the same axis, the number of fixing points is reduced, and the optical fiber can be adjusted more smoothly in the laying process.
The method is characterized in that a small opening is formed in a paper layer at the end part of the core, the optical fiber is plugged into the small opening, and the optical fiber is smoothly transited to a front winding pipe under the condition of not being too tight or loose, so that the optical fiber can bypass a sharp corner at the end part and is prevented from being directly concentrated by the stress of the sharp corner.
Further, the winding of the crude optical fiber is verified, namely, the bonding degree of the optical fiber and paper is kept, and the situation that the crude optical fiber has stronger tensile strength and excessive tension, especially shearing force is applied in the process of the arrangement in the process of the optical fiber arrangement is avoided, so that invisible damage and even breakage are caused to the inside of the optical fiber.
The invention has the advantages that:
1) The optical fiber winding paper is arranged in the winding paper of the core, and the optical fiber layer structure is adopted to carry out circulation production along with the whole core with the winding paper, so that the core can be detected at any time in each working procedure, unqualified cores are prevented from circulation in the production working procedure, on one hand, defective products can be picked out at any time, the production of the defective products is reduced, the qualification rate of the products is improved, on the other hand, defective products can be found as soon as possible in the production flow, and the production cost is reduced.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a fiber-based dry RIP ferrule core wrap paper stress test fiber layout of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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 method for testing the stress of the wound paper of the dry RIP sleeve core based on the optical fiber as shown in fig. 1 comprises the following steps:
The method comprises the steps of S1, arranging optical fibers, namely dividing the outer winding paper of a core into a plurality of layers, separating the winding paper of each layer by a reversing optical fiber group, wherein each annular optical fiber group comprises a first annular optical fiber layer, a second annular optical fiber layer and a third annular optical fiber layer, and arranging two annular optical fiber units on each annular optical fiber layer;
S2, splicing optical fibers:
S2.1, one optical fiber unit of the first annular optical fiber layer is in fusion connection with a first optical fiber unit in the first axial optical fiber layer, and the other optical fiber unit of the first annular optical fiber layer is in fusion connection with a second optical fiber unit of the first axial optical fiber layer;
s2.2, the welding mode of the second circumferential optical fiber layer and the second longitudinal optical fiber layer is the same as that of S2.1;
S2.3, one optical fiber unit of the third annular optical fiber layer is in fusion connection with the first optical fiber unit and the second optical fiber unit in the third axial optical fiber layer, and the other optical fiber unit of the third annular optical fiber layer is in fusion connection with the third optical fiber unit and the fourth optical fiber unit of the third axial optical fiber layer;
S3, leading out optical fibers, wherein the optical fibers are led out from the core in three layers and are respectively connected to a demodulator;
And S4, circulating the core, namely after the core finishes the optical fiber winding, hoisting the core through a workshop, conveying the core into a vacuum tank, hoisting the core out, detecting whether the core is broken by using a red light pen, comprehensively detecting the whole working procedure of optical fiber arrangement and workshop circulation, and detecting by using red light pen equipment, wherein the production and processing composite technological procedure of the core is regarded as the condition that the optical fiber is broken or the signal is abnormal.
In the S1 optical fiber arrangement, the bending radius of a pipeline is designed to be increased aiming at the vertical corner of a core, the bending radius position of the optical fiber is fixed by using a paper adhesive tape, so that the displacement can be avoided, the light is protected at the same time, the fixing is carried out only at the beginning and the end of each circumference, the two positions are ensured to be on the same axis, the number of fixing points is reduced, and the optical fiber can be adjusted more smoothly in the laying process.
The method comprises the steps of firstly, loosely placing the optical fiber at the end of a core, and then, tightly winding the optical fiber to other angle areas of the end to cause oblique tensioning of the optical fiber, wherein the optical fiber is broken, and the verification is optimized in such a way that a small opening is cut on a paper layer at the end of the core, the optical fiber is plugged into the small opening, and the optical fiber is smoothly transited to a front winding pipe under the condition of not being too tightly or loosely wound, so that the optical fiber can bypass sharp corners at the end, and the stress concentration of the sharp corners is avoided.
The winding of the crude optical fiber is verified, namely, the bonding degree of the optical fiber and paper is kept, and the situation that the crude optical fiber has stronger tensile strength and excessive tension, especially shearing force, is applied in the process of the arrangement of the optical fiber is avoided in the process of the arrangement of the optical fiber, so that invisible damage and even breakage are caused to the inside of the optical fiber.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (4)
1. The method for testing the stress of the dry RIP sleeve core winding paper based on the optical fiber is characterized by comprising the following steps of:
The method comprises the steps of S1, arranging optical fibers, namely dividing the outer winding paper of a core into a plurality of layers, separating the winding paper of each layer by a reversing optical fiber group, wherein the annular optical fiber group comprises a first annular optical fiber layer, a second annular optical fiber layer and a third annular optical fiber layer, and each annular optical fiber layer is provided with two annular optical fiber units;
S2, splicing optical fibers:
S2.1, one optical fiber unit of the first annular optical fiber layer is in fusion connection with a first optical fiber unit in the first axial optical fiber layer, and the other optical fiber unit of the first annular optical fiber layer is in fusion connection with a second optical fiber unit of the first axial optical fiber layer;
s2.2, the welding mode of the second circumferential optical fiber layer and the second longitudinal optical fiber layer is the same as that of S2.1;
S2.3, one optical fiber unit of the third annular optical fiber layer is in fusion connection with the first optical fiber unit and the second optical fiber unit in the third axial optical fiber layer, and the other optical fiber unit of the third annular optical fiber layer is in fusion connection with the third optical fiber unit and the fourth optical fiber unit of the third axial optical fiber layer;
S3, leading out optical fibers, wherein the optical fibers are led out from the core in three layers and are respectively connected to a demodulator;
And S4, circulating the core, namely after the core finishes the optical fiber winding, hoisting the core through a workshop, conveying the core into a vacuum tank, hoisting the core out, detecting whether the core is broken by using a red light pen, comprehensively detecting the whole working procedure of optical fiber arrangement and workshop circulation, and detecting by using red light pen equipment, wherein the production and processing composite technological procedure of the core is regarded as the condition that the optical fiber is broken or the signal is abnormal.
2. The method for testing the winding paper stress of the dry RIP sleeve core based on the optical fiber according to claim 1 is characterized in that in the S1 optical fiber arrangement, the bending radius of a pipeline is designed to be increased aiming at the vertical corner of the core, the bending radius position of the optical fiber is fixed by using paper adhesive tape, the optical fiber can be protected while displacement is avoided, the optical fiber is fixed only at the beginning and the end of each circumference, the two positions are ensured to be on the same axis, the number of fixed points is reduced, and the optical fiber can be adjusted more smoothly in the laying process.
3. The method for testing the winding paper stress of the dry RIP sleeve core based on the optical fiber is characterized by comprising the steps of firstly, loosely placing the optical fiber at the end part of the core, subsequently, loosely winding the optical fiber and rubbing the optical fiber to other angle areas of the end part to cause oblique tensioning of the optical fiber and breaking the optical fiber, wherein the verification is optimized in a mode that a small opening is formed in a paper layer at the end part of the core, the optical fiber is plugged into the small opening, and the optical fiber is smoothly transited to a front winding pipe under the condition of not being too tight or loose, so that the optical fiber can bypass sharp corners at the end part and is prevented from being directly concentrated by the stress of the sharp corners.
4. The method for testing the winding paper stress of the dry RIP sleeve core based on the optical fiber, which is disclosed in claim 1, is characterized by verifying that the winding of the crude optical fiber is performed, namely, the fitting degree of the optical fiber and paper is maintained, and the situation that the crude optical fiber has stronger tensile strength and excessive tension, particularly shear force is applied in the process of arranging the optical fiber due to the fact that the crude optical fiber is mistakenly considered to have stronger tensile strength in the process of arranging the optical fiber is avoided, so that invisible damage or even fracture is caused to the inside of the optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411806621.9A CN119533727A (en) | 2024-12-10 | 2024-12-10 | A dry RIP casing core winding paper stress test method based on optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411806621.9A CN119533727A (en) | 2024-12-10 | 2024-12-10 | A dry RIP casing core winding paper stress test method based on optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119533727A true CN119533727A (en) | 2025-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411806621.9A Pending CN119533727A (en) | 2024-12-10 | 2024-12-10 | A dry RIP casing core winding paper stress test method based on optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119533727A (en) |
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2024
- 2024-12-10 CN CN202411806621.9A patent/CN119533727A/en active Pending
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