CN115359976B - Thermal expansion compensation optical fiber insulator and use method thereof - Google Patents
Thermal expansion compensation optical fiber insulator and use method thereof Download PDFInfo
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- CN115359976B CN115359976B CN202210956018.3A CN202210956018A CN115359976B CN 115359976 B CN115359976 B CN 115359976B CN 202210956018 A CN202210956018 A CN 202210956018A CN 115359976 B CN115359976 B CN 115359976B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/34—Insulators containing liquid, e.g. oil
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Abstract
The invention discloses a thermal expansion compensation optical fiber insulator and a use method thereof. The device realizes the complete filling of the glue solution in the core body of the optical fiber insulator by the matching of the expansion joint and the extrusion piece, avoids the problems of leakage of the glue solution or extrusion of the optical fiber and the like, and improves the insulativity.
Description
Technical Field
The invention relates to the technical field of high-voltage power systems, in particular to a thermal expansion compensation optical fiber insulator and a use method thereof.
Background
The optical fiber composite insulator is an important component of the transformer equipment and is used for realizing information acquisition, transmission and monitoring under high voltage, so that the safe operation and maintenance of the transformer equipment are facilitated. The optical fiber insulator mainly comprises a hollow epoxy core rod, a silica gel umbrella skirt, a fixed flange, an optical fiber and a liquid insulating medium, wherein the transformer is installed outdoors, the temperature change is large, and the liquid insulating medium in the insulator is influenced by expansion caused by heat and contraction caused by cold, so that the optical fiber insulator is required to meet the volume change requirement of the liquid medium.
If an opening mode is adopted for the optical fiber insulator, liquid medium leakage is very easy to cause, internal pressure is easy to generate by adopting a fully-closed structure, the optical fiber is damaged or optical signal transmission distortion is caused by extruding the internal optical fiber, the insulation level is reduced by dissatisfaction of the liquid medium, partial discharge is caused by too high flange field intensity, the local heat is increased, the insulator and the internal optical fiber are damaged, in addition, the fixed flange of the optical fiber insulator is usually of a metal structure, and the field intensity of the flange end is higher, so that the actual requirement cannot be met by the existing optical fiber insulator structure.
Disclosure of Invention
This section is intended to summarize some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, which may be simplified or omitted from the present section and description abstract and title of the application to avoid obscuring the objects of this section, description abstract and title, and which is not intended to limit the scope of this invention.
The present invention has been made in view of the above and/or problems occurring in the prior art.
Therefore, the invention aims to solve the technical problems that the optical fiber is damaged or the optical signal transmission is distorted due to the influence of expansion and contraction of heat and contraction of cold of a liquid insulating medium in the existing insulator, the insulation level is reduced, and the field strength of a fixed flange is high.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a thermal expansion compensation optic fibre insulator and application method thereof includes insulation component, insulation component includes hanging flange, expansion joint, extrusion piece, mounting flange and insulator, expansion joint one end with hanging flange connects, the other end with mounting flange connects, the extrusion piece install in on the expansion joint, the insulator with mounting flange cooperation.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the hanging flange comprises a lifting hook and an optical fiber column, wherein the lifting hook is arranged at the upper end of the hanging flange, and the optical fiber column is arranged on the circumferential surface of the hanging flange.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the expansion joint comprises an expansion cavity and an optical fiber hole, the expansion cavity is arranged inside the expansion joint, the optical fiber hole is arranged at the upper end of the expansion joint in a penetrating mode, and the optical fiber hole is communicated with the expansion cavity.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the expansion joint further comprises a cylinder hole, a clamping lug and an expansion threaded hole, wherein the cylinder hole is formed in the side face of the expansion joint, the clamping lug is arranged at the lower end of the expansion joint, the expansion threaded hole is formed in the upper end of the expansion joint, the cylinder hole is communicated with the expansion cavity, and a plurality of cylinder holes are formed in the cylinder hole.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the hanging flange further comprises a cavity and an upper threaded hole, the cavity and the upper threaded hole are formed in the lower end of the hanging flange, a plurality of upper threaded holes are formed, and upper screws penetrate through the upper threaded holes and are connected with the expansion threaded holes;
and the optical fiber column is provided with an extraction hole which is communicated with the cavity.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the extrusion piece comprises a piston, a spring and a threaded end cover, wherein the spring is sleeved on the piston, one end of the piston is matched with the threaded end cover, the other end of the piston is arranged in the cylinder hole, and the threaded end cover is in threaded fit with the cylinder hole.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the fixing flange comprises a fixing groove and a fixing threaded hole, the fixing groove and the fixing threaded hole are formed in the upper end of the fixing flange, a plurality of fixing threaded holes are formed in the fixing threaded hole, the clamping protruding blocks are arranged in the fixing groove, and a lower screw penetrates through the fixing threaded hole to be connected with the expansion threaded hole.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the piston comprises a piston column and a sliding column, the sliding column is arranged on the side face of the piston column, and the piston column is arranged in the cylinder hole;
the piston column is provided with a mounting groove;
the side face of the threaded end cover is provided with a sealing groove, and the sliding column is inserted into the sealing groove.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the lower end of the insulator is provided with a glue injection hole, and the glue injection hole penetrates through the insulator.
As a preferred embodiment of the thermal expansion compensating optical fiber insulator and the method of using the same according to the present invention, wherein: the optical fiber is led out from the optical fiber hole through the glue injection hole and the expansion cavity, and the piston is pushed to the deepest position of the cylinder hole;
injecting glue into the glue injection hole at the lower end of the insulator at normal temperature, and sealing the optical fiber hole through a locking joint when the glue solution is injected into the optical fiber hole;
continuing injecting glue, enabling the piston to move under glue pressure, moving to the middle position of the cylinder hole, and then closing the glue injection hole;
the optical fiber led out from the optical fiber hole passes through the cavity body and is led out from the leading-out hole, and then the optical fiber passes through the upper threaded hole through an upper screw to be connected with the expansion threaded hole so as to fix the hanging flange and the expansion joint;
the clamping convex blocks are arranged in the fixing grooves, and penetrate through the fixing threaded holes through a plurality of lower screws to be connected with the expansion threaded holes so as to fix the fixing flange and the expansion joint.
The invention has the beneficial effects that: the device realizes the complete filling of the glue solution in the core body of the optical fiber insulator by the matching of the expansion joint and the extrusion piece, avoids the problems of leakage of the glue solution or extrusion of the optical fiber and the like, and improves the insulativity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of an assembly structure of a thermal expansion compensation fiber insulator and a method for using the same according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a thermal expansion compensation fiber optic insulator and a method of using the same according to an embodiment of the present invention;
FIG. 3 is a schematic view of a thermal expansion compensation fiber insulator and a hanging flange used in the method according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an expansion joint of a thermal expansion compensation fiber insulator according to an embodiment of the present invention;
FIG. 5 is a schematic view of a thermal expansion compensating fiber optic insulator and extrusion used in a method of using the same according to one embodiment of the present invention;
fig. 6 is a schematic structural diagram of a thermal expansion compensation optical fiber insulator and a fixing flange in a using method thereof according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the invention is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1-4, the present embodiment provides a thermal expansion compensating fiber insulator and a method of using the same, including an insulating assembly 100.
The insulation assembly 100 comprises a hanging flange 101, an expansion joint 102, an extrusion piece 103, a fixing flange 104 and an insulator 105, wherein one end of the expansion joint 102 is connected with the hanging flange 101, the other end of the expansion joint is connected with the fixing flange 104, the extrusion piece 103 is arranged on the expansion joint 102, and the insulator 105 is matched with the fixing flange 104.
The pressing member 103 is provided in plurality.
The hanging flange 101 comprises a hanging hook 101a and an optical fiber column 101b, wherein the hanging hook 101a is arranged at the upper end of the hanging flange 101, and the optical fiber column 101b is arranged on the circumferential surface of the hanging flange 101.
The hook 101a is provided with a through hole for fixing and connecting use.
The expansion joint 102 comprises an expansion cavity 102a and an optical fiber hole 102b, the expansion cavity 102a is arranged inside the expansion joint 102, the optical fiber hole 102b penetrates through the upper end of the expansion joint 102, and the optical fiber hole 102b is communicated with the expansion cavity 102 a.
The expansion joint 102 further comprises a cylinder hole 102c, a clamping projection 102d and an expansion threaded hole 102e, wherein the cylinder hole 102c is arranged on the side face of the expansion joint 102, the clamping projection 102d is arranged at the lower end of the expansion joint 102, the expansion threaded hole 102e is arranged at the upper end of the expansion joint 102, the cylinder hole 102c is communicated with the expansion cavity 102a, and a plurality of cylinder holes 102c are formed.
Preferably, the cylinder hole 102c is provided with one for better fixing of the optical fiber on each of four sides of the expansion joint 102.
The hanging flange 101 further comprises a cavity 101c and an upper threaded hole 101d, the cavity 101c and the upper threaded hole 101d are formed in the lower end of the hanging flange 101, a plurality of upper threaded holes 101d are formed in the upper threaded hole 101d, a plurality of upper screws 106 penetrate through the upper threaded hole 101d to be in threaded connection with the expansion threaded hole 102e, and the hanging flange 101 and the expansion joint 102 are fixed.
The circumference of the hanging flange 101 is also provided with a square plate for hanging nameplates.
The optical fiber column 101b is provided with an extraction hole 101b-1, and the extraction hole 101b-1 is communicated with the cavity 101c, so that an optical fiber wiring can conveniently pass through the cavity 101c and out of the extraction hole 101 b-1.
Example 2
Referring to fig. 2 to 6, in order to provide a second embodiment of the present invention, based on the previous embodiment, the present embodiment provides a thermal expansion compensation optical fiber insulator and a method for using the same.
The pressing member 103 includes a piston 103a, a spring 103b and a screw cap 103c, the spring 103b is fitted over the piston 103a, the piston 103a is engaged with the screw cap 103c, the piston 103a is disposed in the cylinder hole 102c, and the screw cap 103c is screw-engaged with the cylinder hole 102 c.
The piston 103a includes a piston post 103a-1 and a slide post 103a-2, the slide post 103a-2 being disposed on a side of the piston post 103a-1, the piston post 103a-1 being disposed in the cylinder bore 102 c.
The piston 103a-1 is provided with mounting grooves 103a-11, and the mounting grooves 103a-11 are provided in two.
Further, the connection between the piston post 103a-1 and the sliding post 103a-2 may be welded, integrally formed or threaded, preferably threaded, to facilitate the use of a better fitting device for adjusting the overall length of the piston 103 a.
The side of the threaded end cap 103c is provided with a seal groove 103c-1, and the sliding column 103a-2 is inserted into the seal groove 103 c-1.
The piston 103a and the threaded end cap 103c are matched in such a way that the sliding column 103a-2 is inserted into a slot hole in the sealing groove 103c-1, a dust ring is installed in the sealing groove 103c-1, and the sliding column 103a-2 can slide in the sealing groove 103 c-1.
The guide ring and the seal ring are respectively arranged on the two mounting grooves 103a-11, and the roughness Ra value of the inner wall of the cylinder hole 102c is required to be lower than 0.8 mu m, so that the piston column 103a-1 can slide well in the cylinder hole 102c and good sealing performance is ensured.
The fixing flange 104 includes a fixing groove 104a and a fixing threaded hole 104b, the fixing groove 104a and the fixing threaded hole 104b are penetrating through and arranged at the upper end of the fixing flange 104, the fixing threaded hole 104b is provided with a plurality of clamping convex blocks 102d, the clamping convex blocks 102d are arranged in the fixing groove 104a, and a lower screw 107 penetrates through the fixing threaded hole 104b to be connected with the expansion threaded hole 102e to fix the fixing flange 104 and the expansion joint 102.
Further, the fixing flange 104 is made of epoxy material and is coated with a protective coating, and the insulator 105 is matched with the fixing flange 104 in such a way that the fixing flange 104 is sleeved on a core rod of the insulator 105 after being heated, and is in interference fit with the insulator 105 after being cooled.
The insulator 105 lower extreme is provided with injecting glue hole 105a, and injecting glue hole 105a runs through insulator 105.
In assembly, the piston 103a is placed in the cylinder hole 102c, the spring 103b is sleeved on the sliding column 103a-2, then the threaded end cover 103c is in threaded fit with the cylinder hole 102c, and in the process, the spring 103b is in contact with the sealing groove 103c-1 and is slightly deformed by extrusion.
Then, the engaging projection 102d is placed in the fixing groove 104a, the fixing flange 104 and the expansion joint 102 are fixed by connecting a plurality of lower screws 107 with the expansion screw holes 102e through the fixing screw holes 104b, and the hanging flange 101 and the expansion joint 102 are fixed by connecting a plurality of upper screws 106 with the expansion screw holes 102e through the upper screw holes 101 d.
Example 3
Referring to fig. 1 to 6, in order to provide a third embodiment of the present invention, based on the above two embodiments, the present embodiment provides a thermal expansion compensation optical fiber insulator and a method for using the same.
When the optical fiber is used, the optical fiber is led out from the optical fiber hole 102b through the glue injection hole 105a and the expansion cavity 102a, the piston 103a is pushed to the deepest position of the cylinder hole 102c, and the spring 103b and the threaded end cover 103c are mounted and fixed.
Glue is injected into the glue injection hole 105a at the lower end of the insulator 105 at normal temperature, the glue injection hole 105a, the fixing groove 104a, the expansion cavity 102a and the optical fiber hole 102b are all communicated, and when glue is injected into the optical fiber hole 102b, the optical fiber hole 102b is sealed through a locking joint.
The insulating medium in the device is glue, and specific types are selected according to requirements.
Continuing to inject glue, the piston 103a moves under the pressure of glue solution, moves to the middle position of the cylinder hole 102c, then closes the glue injection hole 105a, and the spring 103b deforms at the moment.
The optical fiber led out from the optical fiber hole 102b is led out from the outlet hole 101b-1 through the cavity 101c, and then the hanging flange 101 and the expansion joint 102 are connected and fixed with the expansion screw hole 102e through the upper screw 106 passing through the upper screw hole 101 d.
The engaging projection 102d is disposed in the fixing groove 104a, and is connected to the expansion screw hole 102e by a plurality of lower screws 107 penetrating through the fixing screw hole 104b, so as to fix the fixing flange 104 and the expansion joint 102.
When the external temperature of the device is too high, the internal glue solution is heated to expand and extrude the piston column 103a-1 to enable the piston column to outwards displace in the cylinder hole 102c, the sliding column 103a-2 synchronously displaces in the sealing groove 103c-1, the spring 103b is extruded to deform, energy is converted into elastic potential energy, and the problems of damaging an internal optical fiber and causing optical fiber transmission distortion are avoided.
When the external temperature of the device is reduced, the internal glue liquid is cooled and contracted, the extrusion force to the piston column 103a-1 is eliminated, the spring 103b releases elastic potential energy to push the piston column 103a-1 and the glue liquid to move inwards along the cylinder hole 102c, so that the glue liquid in the expansion cavity 102a is always kept in a full state, and the problem of insulation reduction caused by incomplete filling of the glue liquid is avoided.
The device can change according to temperature change and adaptability, so that the glue in the expansion cavity 102a is always in a filling state, the insulativity of the device and the good communication of the optical fiber are ensured, the fixing flange 104 in the device is made of epoxy materials and is coated with a protective coating, and the problems that the field intensity of the flange end is high, the insulator and the internal optical fiber are damaged due to heating easily are avoided.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (7)
1. A thermal expansion compensation optical fiber insulator is characterized in that: comprising the steps of (a) a step of,
the insulation assembly (100) comprises a hanging flange (101), an expansion joint (102), an extrusion piece (103), a fixing flange (104) and an insulator (105), wherein one end of the expansion joint (102) is connected with the hanging flange (101), the other end of the expansion joint is connected with the fixing flange (104), the extrusion piece (103) is installed on the expansion joint (102), and the insulator (105) is matched with the fixing flange (104);
the expansion joint (102) comprises an expansion cavity (102 a) and an optical fiber hole (102 b), the expansion cavity (102 a) is arranged inside the expansion joint (102), the optical fiber hole (102 b) is arranged at the upper end of the expansion joint (102) in a penetrating mode, and the optical fiber hole (102 b) is communicated with the expansion cavity (102 a);
the expansion joint (102) further comprises a cylinder hole (102 c), a clamping lug (102 d) and an expansion threaded hole (102 e), wherein the cylinder hole (102 c) is formed in the side face of the expansion joint (102), the clamping lug (102 d) is arranged at the lower end of the expansion joint (102), the expansion threaded hole (102 e) is formed in the upper end of the expansion joint (102), the cylinder hole (102 c) is communicated with the expansion cavity (102 a), and a plurality of cylinder holes (102 c) are formed;
the extrusion piece (103) comprises a piston (103 a), a spring (103 b) and a threaded end cover (103 c), wherein the spring (103 b) is sleeved on the piston (103 a), one end of the piston (103 a) is matched with the threaded end cover (103 c), the other end of the piston is arranged in the cylinder hole (102 c), and the threaded end cover (103 c) is in threaded fit with the cylinder hole (102 c).
2. The thermal expansion compensating fiber insulator of claim 1, wherein: the hanging flange (101) comprises a hanging hook (101 a) and an optical fiber column (101 b), wherein the hanging hook (101 a) is arranged at the upper end of the hanging flange (101), and the optical fiber column (101 b) is arranged on the circumferential surface of the hanging flange (101).
3. The thermal expansion compensating fiber insulator of claim 2, wherein: the hanging flange (101) further comprises a cavity (101 c) and an upper threaded hole (101 d), the cavity (101 c) and the upper threaded hole (101 d) are formed in the lower end of the hanging flange (101), the upper threaded hole (101 d) is provided with a plurality of upper screws (106) penetrating through the upper threaded hole (101 d) and being connected with the expansion threaded hole (102 e);
the optical fiber column (101 b) is provided with an extraction hole (101 b-1), and the extraction hole (101 b-1) is communicated with the cavity (101 c).
4. A thermal expansion compensating fiber insulator according to claim 3, wherein: the fixing flange (104) comprises a fixing groove (104 a) and a fixing threaded hole (104 b), the fixing groove (104 a) and the fixing threaded hole (104 b) are formed in the upper end of the fixing flange (104), the fixing threaded hole (104 b) is provided with a plurality of clamping convex blocks (102 d) which are arranged in the fixing groove (104 a), and a lower screw (107) penetrates through the fixing threaded hole (104 b) to be connected with the expansion threaded hole (102 e).
5. The thermal expansion compensating fiber insulator of claim 4, wherein: the piston (103 a) comprises a piston column (103 a-1) and a sliding column (103 a-2), the sliding column (103 a-2) is arranged on the side surface of the piston column (103 a-1), and the piston column (103 a-1) is arranged in the cylinder hole (102 c);
the piston column (103 a-1) is provided with a mounting groove (103 a-11);
the side face of the threaded end cover (103 c) is provided with a sealing groove (103 c-1), and the sliding column (103 a-2) is inserted into the sealing groove (103 c-1).
6. The thermal expansion compensating fiber insulator of claim 5, wherein: the lower end of the insulator (105) is provided with a glue injection hole (105 a), and the glue injection hole (105 a) penetrates through the insulator (105).
7. A method of using the thermal expansion compensating fiber optic insulator of claim 6, wherein: the optical fiber is led out from the optical fiber hole (102 b) through the glue injection hole (105 a) and the expansion cavity (102 a), and the piston (103 a) is pushed to the deepest position of the cylinder hole (102 c);
injecting glue into a glue injection hole (105 a) at the lower end of the insulator (105) at normal temperature, and sealing the optical fiber hole (102 b) through a locking joint when glue is injected into the optical fiber hole (102 b);
continuing injecting glue, enabling the piston (103 a) to move to the middle position of the cylinder hole (102 c) under the pressure of glue, and then closing the glue injection hole (105 a);
the optical fiber led out from the optical fiber hole (102 b) passes through the cavity (101 c) and out from the leading-out hole (101 b-1), and then passes through the upper threaded hole (101 d) through the upper screw (106) to be connected with the expansion threaded hole (102 e) to fix the hanging flange (101) and the expansion joint (102);
the clamping convex blocks (102 d) are arranged in the fixing grooves (104 a), and penetrate through the fixing threaded holes (104 b) through a plurality of lower screws (107) to be connected with the expansion threaded holes (102 e), so that the fixing flange (104) and the expansion joint (102) are fixed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210956018.3A CN115359976B (en) | 2022-08-10 | 2022-08-10 | Thermal expansion compensation optical fiber insulator and use method thereof |
| PCT/CN2023/108350 WO2024032343A1 (en) | 2022-08-10 | 2023-07-20 | Thermal expansion compensation fiber optic insulator and method for using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210956018.3A CN115359976B (en) | 2022-08-10 | 2022-08-10 | Thermal expansion compensation optical fiber insulator and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115359976A CN115359976A (en) | 2022-11-18 |
| CN115359976B true CN115359976B (en) | 2023-06-23 |
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| CN202210956018.3A Active CN115359976B (en) | 2022-08-10 | 2022-08-10 | Thermal expansion compensation optical fiber insulator and use method thereof |
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| Country | Link |
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| WO (1) | WO2024032343A1 (en) |
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| CN115359976B (en) * | 2022-08-10 | 2023-06-23 | 常州博瑞电力自动化设备有限公司 | Thermal expansion compensation optical fiber insulator and use method thereof |
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| JPH0287427A (en) * | 1988-09-26 | 1990-03-28 | Ngk Insulators Ltd | Optical fiber composite insulator and manufacture thereof |
| CN211788376U (en) * | 2020-05-26 | 2020-10-27 | 萍乡市永佳电瓷有限公司 | Novel hollow insulator |
| CN112820484A (en) * | 2019-11-15 | 2021-05-18 | 许继集团有限公司 | Optical fiber composite insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR1357749A (en) * | 1963-02-26 | 1964-04-10 | Cie Generale Electro Ceramique | Improvements to composite insulators or other elongated assemblies comprising components having different coefficients of expansion |
| JPH07114084B2 (en) * | 1988-02-17 | 1995-12-06 | 日本碍子株式会社 | Optical fiber composite insulator and insulator with optical sensor |
| JPH06162845A (en) * | 1992-11-19 | 1994-06-10 | Furukawa Electric Co Ltd:The | Insulator with built-in optical fiber |
| CN105221602A (en) * | 2014-07-03 | 2016-01-06 | 中国人民解放军装甲兵工程学院 | A kind of multi-cartridge magnetic rheological clutch eliminating thermal expansion stresses |
| CN115359976B (en) * | 2022-08-10 | 2023-06-23 | 常州博瑞电力自动化设备有限公司 | Thermal expansion compensation optical fiber insulator and use method thereof |
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2022
- 2022-08-10 CN CN202210956018.3A patent/CN115359976B/en active Active
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2023
- 2023-07-20 WO PCT/CN2023/108350 patent/WO2024032343A1/en unknown
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0287427A (en) * | 1988-09-26 | 1990-03-28 | Ngk Insulators Ltd | Optical fiber composite insulator and manufacture thereof |
| CN112820484A (en) * | 2019-11-15 | 2021-05-18 | 许继集团有限公司 | Optical fiber composite insulator |
| CN211788376U (en) * | 2020-05-26 | 2020-10-27 | 萍乡市永佳电瓷有限公司 | Novel hollow insulator |
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| Publication number | Publication date |
|---|---|
| WO2024032343A1 (en) | 2024-02-15 |
| CN115359976A (en) | 2022-11-18 |
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