CN115359976A - 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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- CN115359976A CN115359976A CN202210956018.3A CN202210956018A CN115359976A CN 115359976 A CN115359976 A CN 115359976A CN 202210956018 A CN202210956018 A CN 202210956018A CN 115359976 A CN115359976 A CN 115359976A
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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 using method thereof, wherein the thermal expansion compensation optical fiber insulator comprises an insulating assembly, the insulating assembly comprises a hanging flange, an expansion joint, an extrusion part, a fixed flange and an insulator, one end of the expansion joint is connected with the hanging flange, the other end of the expansion joint is connected with the fixed flange, the extrusion part is arranged on the expansion joint, and the insulator is matched with the fixed flange. This device passes through the cooperation of expansion joint and extruded piece, makes and realizes the complete filling of glue solution in the optical fiber insulator core, has avoided the leakage of glue solution or optical fiber extrusion scheduling problem to have improved insulating nature.
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 using method thereof.
Background
The optical fiber composite insulator is an important component of the mutual inductor equipment, is used for realizing information acquisition, transmission and monitoring under high voltage, and is convenient for safe operation and maintenance of the mutual inductor equipment. The optical fiber insulator mainly comprises a hollow epoxy core rod, a silica gel umbrella skirt, a fixing flange, an optical fiber and a liquid insulating medium, the mutual inductor is installed outdoors, the temperature change is large, and the liquid insulating medium inside the insulator is affected by expansion with heat and contraction with cold, so that the optical fiber insulator is required to meet the volume change requirement of the liquid medium.
If the optical fiber insulator adopts an opening mode, liquid medium leakage is easily caused, internal pressure is easily generated by adopting a fully-closed structure, the internal optical fiber is extruded to cause optical fiber damage or optical signal transmission distortion, the liquid medium is not full, the insulation level can be reduced, the flange field intensity is too high, partial discharge can be caused, the local heat is increased, and then the insulator and the internal optical fiber are damaged.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is to overcome the problems that the liquid insulating medium in the existing insulator is influenced by thermal expansion and cold contraction to cause optical fiber damage or optical signal transmission distortion, the insulation level is reduced, and the field intensity of the fixed flange is higher.
In order to solve the technical problems, the invention provides the following technical scheme: the thermal expansion compensation optical fiber insulator comprises an insulating assembly, wherein the insulating assembly comprises a hanging flange, an expansion joint, an extrusion piece, a fixed flange and an insulator, one end of the expansion joint is connected with the hanging flange, the other end of the expansion joint is connected with the fixed flange, the extrusion piece is installed on the expansion joint, and the insulator is matched with the fixed flange.
As a preferable embodiment of the thermal expansion compensation optical fiber insulator and the method for using the same of the present invention, wherein: the hanging flange comprises a lifting hook and an optical fiber column, 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 preferable scheme of the thermal expansion compensation optical fiber insulator and the method of using the same of 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 penetrates through the upper end of the expansion joint, and the optical fiber hole is communicated with the expansion cavity.
As a preferable scheme of the thermal expansion compensation optical fiber insulator and the method of using the same of the present invention, wherein: the expansion joint further comprises a plurality of cylinder holes, clamping convex blocks and expansion threaded holes, the cylinder holes are formed in the side faces of the expansion joint, the clamping convex blocks are arranged at the lower end of the expansion joint, the expansion threaded holes are formed in the upper end of the expansion joint, the cylinder holes are communicated with the expansion cavity, and the plurality of cylinder holes are formed.
As a preferable embodiment of the thermal expansion compensation optical fiber insulator and the method for using the same of the present invention, wherein: the hanging flange further comprises a cavity and a plurality of upper threaded holes, the cavity and the upper threaded holes are formed in the lower end of the hanging flange, and upper screws penetrate through the upper threaded holes to be connected with the expansion threaded holes;
the optical fiber column is provided with a leading-out hole which is communicated with the cavity.
As a preferable embodiment of the thermal expansion compensation optical fiber insulator and the method for using the same of the present invention, wherein: the extrusion piece comprises a piston, a spring and a threaded end cover, 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 preferable embodiment of the thermal expansion compensation optical fiber insulator and the method for using the same of 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, the fixing threaded hole is provided with a plurality of clamping lugs, the clamping lugs are arranged in the fixing groove, and a lower screw penetrates through the fixing threaded hole and is connected with the expansion threaded hole.
As a preferable embodiment of the thermal expansion compensation optical fiber insulator and the method for using the same of 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 in the sealing groove.
As a preferable scheme of the thermal expansion compensation optical fiber insulator and the method of using the same of the present invention, wherein: and a glue injection hole is formed in the lower end of the insulator and penetrates through the insulator.
As a preferable scheme of the thermal expansion compensation optical fiber insulator and the method of using the same of the present invention, wherein: leading out the optical fiber from the optical fiber hole through the glue injection hole and the expansion cavity, and pushing the piston 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 the locking connector when the glue is injected into the optical fiber hole;
continuously injecting glue, enabling the piston to move under the pressure of glue solution to the middle position of the cylinder hole, and then sealing the glue injection hole;
the optical fiber led out from the optical fiber hole penetrates through the cavity and penetrates out of the lead-out hole, and then the optical fiber penetrates through the upper threaded hole and is connected with the expansion threaded hole through the upper screw to fix the hanging flange and the expansion joint;
the clamping convex blocks are arranged in the fixing grooves, penetrate through the fixing threaded holes through a plurality of lower screws to be connected with the expansion threaded holes, and fix the fixing flange and the expansion joint.
The invention has the beneficial effects that: this device passes through the cooperation of expansion joint and extruded piece, makes and realizes the complete filling of glue solution in the optical fiber insulator core, has avoided the leakage of glue solution or optical fiber extrusion scheduling problem to have improved insulating nature.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a schematic view of an assembly structure of a thermal expansion compensation optical fiber insulator and a method for using the same according to an embodiment of the present invention;
fig. 2 is a schematic view of a thermal expansion compensation fiber insulator and a connection structure of components in a method for using the same according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a thermal expansion compensation fiber optic 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 optic insulator and a method for using the same according to an embodiment of the present invention;
FIG. 5 is a schematic view of an embodiment of a thermal expansion compensating fiber optic insulator and extrusion used in the method of using the same according to the present invention;
fig. 6 is a schematic structural diagram of a fixing flange in the thermal expansion compensation optical fiber insulator and the method for using the same according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
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 than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is 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 compensation fiber insulator and a method of using the same including an insulation assembly 100.
The insulation component 100 comprises a hanging flange 101, an expansion joint 102, an extrusion part 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 part 103 is installed 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 includes a hook 101a and an optical fiber post 101b, the hook 101a is disposed on the upper end of the hanging flange 101, and the optical fiber post 101b is disposed on the circumferential surface of the hanging flange 101.
The hook 101a is provided with a through hole for fixing and connecting.
The expansion joint 102 comprises an expansion cavity 102a and a fiber hole 102b, wherein the expansion cavity 102a is arranged inside the expansion joint 102, the fiber hole 102b penetrates through the upper end of the expansion joint 102, and the fiber hole 102b is communicated with the expansion cavity 102 a.
The expansion joint 102 further includes a cylinder hole 102c, a clamping projection 102d, and an expansion threaded hole 102e, the cylinder hole 102c is disposed on a side surface of the expansion joint 102, the clamping projection 102d is disposed at a lower end of the expansion joint 102, the expansion threaded hole 102e is disposed at an upper end of the expansion joint 102, the cylinder hole 102c communicates with the expansion chamber 102a, and the plurality of cylinder holes 102c are disposed.
Preferably, the cylinder holes 102c are respectively provided on four sides of the expansion joint 102 to facilitate better fixing of the optical fiber.
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, the upper threaded hole 101d is provided with a plurality of upper screws 106, the 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 a nameplate.
The optical fiber column 101b is provided with a leading-out hole 101b-1, and the leading-out hole 101b-1 is communicated with the cavity 101c, so that optical fiber routing can pass through the cavity 101c and pass out of the leading-out hole 101 b-1.
Example 2
Referring to fig. 2 to 6, a second embodiment of the present invention is provided, which is based on the previous embodiment, and this embodiment provides an implementation of a thermal expansion compensation optical fiber insulator and a method for using the same.
The extrusion piece 103 comprises a piston 103a, a spring 103b and a threaded end cap 103c, wherein the spring 103b is sleeved on the piston 103a, the piston 103a is matched with the threaded end cap 103c, the piston 103a is arranged in the cylinder hole 102c, and the threaded end cap 103c is in threaded fit 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 is disposed on the side of the piston post 103a-1, and the piston post 103a-1 is disposed in the cylinder hole 102 c.
The piston column 103a-1 is provided with two mounting grooves 103a-11, and the number of the mounting grooves 103a-11 is two.
Further, the piston post 103a-1 and the sliding post 103a-2 can be welded, integrally formed or screwed, preferably, the screw is adapted to adjust the overall length of the piston 103 a.
The side surface of the threaded end cover 103c is provided with a sealing groove 103c-1, and the sliding column 103a-2 is inserted in the sealing groove 103 c-1.
The piston 103a and the threaded end cap 103c are matched in a manner that the sliding column 103a-2 is inserted into a groove 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 two mounting grooves 103a-11 are respectively provided with a guide ring and a sealing ring, the roughness Ra value of the inner wall of the cylinder hole 102c needs to be lower than 0.8 mu m, and the piston column 103a-1 can well slide in the cylinder hole 102c and can ensure good sealing performance.
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 disposed at the upper end of the fixing flange 104 in a penetrating manner, the fixing threaded hole 104b is provided in plural, the engaging protrusion 102d is disposed in the fixing groove 104a, and the 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 coated with a protective coating, and the insulator 105 and the fixing flange 104 are matched in a manner that the fixing flange 104 is heated and then sleeved on a core rod of the insulator 105, and after cooling, the insulator 105 and the fixing flange 104 are in interference fit.
The lower end of the insulator 105 is provided with a glue injection hole 105a, and the glue injection hole 105a penetrates through the insulator 105.
During assembly, the piston 103a is placed in the cylinder hole 102c, the spring 103b is sleeved on the sliding column 103a-2, and then the threaded end cover 103c is in threaded fit with the cylinder hole 102c, and the spring 103b is in contact with the sealing groove 103c-1 and slightly deformed by extrusion in the process.
Then, the engaging protrusion 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 hanger 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, a third embodiment of the present invention is provided, which is based on the above two embodiments and provides an implementation of a thermal expansion compensation optical fiber insulator and a method for using the same.
When the optical fiber expansion device is used, an 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 installed to be fixed.
Injecting glue into the glue injection hole 105a at the lower end of the insulator 105 at normal temperature, wherein the glue injection hole 105a, the fixing groove 104a, the expansion cavity 102a and the optical fiber hole 102b are all communicated, and when the glue is injected into the optical fiber hole 102b, the optical fiber hole 102b is sealed through the locking connector.
The insulating medium in this device is glue, and specific kind selects as required.
And (3) glue injection is continued, so that the piston 103a is moved by the pressure of the glue solution to the middle position of the cylinder hole 102c, then the glue injection hole 105a is closed, and the spring 103b deforms at the moment.
The optical fiber led out from the optical fiber hole 102b passes through the cavity 101c and then passes through the leading-out hole 101b-1, and then passes through the upper threaded hole 101d and the expansion threaded hole 102e through the upper screw 106 to be connected and fixed with the hanging flange 101 and the expansion joint 102.
The engaging protrusion 102d is disposed in the fixing groove 104a, and the fixing flange 104 and the expansion joint 102 are fixed by a plurality of lower screws 107 passing through the fixing screw holes 104b and being connected to the expansion screw holes 102 e.
When the external temperature of the device is too high, the internal glue solution expands to extrude the piston column 103a-1 to displace outwards in the cylinder hole 102c, the sliding column 103a-2 synchronously displaces in the sealing groove 103c-1, and the spring 103b deforms by extrusion to convert energy into elastic potential energy, so that the problems of damage to internal optical fibers and distortion of optical fiber transmission are avoided.
When the external temperature of the device is reduced, the internal glue solution is cooled and contracted, the extrusion force on the piston column 103a-1 disappears, the spring 103b releases elastic potential energy to push the piston column 103a-1 and the glue solution to move inwards along the cylinder hole 102c, so that the glue solution 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 solution is avoided.
This device can be according to the change of temperature and then take place the change of adaptability, make the interior glue of inflation cavity 102a be in the filling state all the time, guarantee the insulating nature of device and the good communication of optic fibre, mounting flange 104 adopts epoxy material in this device moreover to the protective coating that coats has avoided appearing the problem that flange end field intensity is higher to generate heat easily and then damage insulator and inside optic fibre.
It is important to note that the construction and arrangement of the present application as shown in the various 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., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited 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 this 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 present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not have been described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling 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, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A thermal expansion compensating fiber optic insulator, comprising: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
insulating assembly (100), including hanging flange (101), expansion joint (102), extruded piece (103), mounting flange (104) and insulator (105), expansion joint (102) one end with hang flange (101) and connect, the other end with mounting flange (104) are connected, extruded piece (103) install in on expansion joint (102), insulator (105) with mounting flange (104) cooperation.
2. The thermal expansion compensating fiber optic insulator of claim 1, wherein: hang flange (101) including lifting hook (101 a) and optic fibre post (101 b), lifting hook (101 a) set up in hang flange (101) upper end, optic fibre post (101 b) set up in hang on the flange (101) periphery.
3. The thermal expansion compensating fiber optic insulator of claim 2, wherein: 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).
4. The thermal expansion compensating fiber optic insulator of claim 3, wherein: the expansion joint (102) further comprises a cylinder hole (102 c), a clamping lug (102 d) and an expansion threaded hole (102 e), the cylinder hole (102 c) is arranged on 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 arranged at 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 arranged.
5. The thermal expansion compensating fiber optic insulator of claim 4, 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 arranged at the lower end of the hanging flange (101), a plurality of upper threaded holes (101 d) are formed, and an upper screw (106) penetrates through the upper threaded hole (101 d) to be connected with the expansion threaded hole (102 e);
and the optical fiber column (101 b) is provided with a leading-out hole (101 b-1), and the leading-out hole (101 b-1) is communicated with the cavity (101 c).
6. The thermal expansion compensating fiber optic insulator of claim 4 or 5, wherein: the extrusion part (103) comprises a piston (103 a), a spring (103 b) and a threaded end cover (103 c), 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 (103 a) 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).
7. The thermal expansion compensating fiber optic insulator of claim 6, 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 arranged at the upper end of the fixing flange (104), a plurality of fixing threaded holes (104 b) are arranged, the clamping convex block (102 d) is 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).
8. The thermal expansion compensating fiber optic insulator of claim 7, 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).
9. The thermal expansion compensating fiber optic insulator of claim 7 or 8, 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).
10. A method of using the thermal expansion compensating fiber optic insulator of claim 9, wherein: leading the optical fiber out of the optical fiber hole (102 b) through the glue injection hole (105 a) and the expansion cavity (102 a), and pushing the piston (103 a) to the deepest position of the cylinder hole (102 c);
injecting glue into the 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 the locking connector when the glue is injected into the optical fiber hole (102 b);
continuing injecting glue, enabling the piston (103 a) to move under the pressure of the glue solution, moving to the middle position of the cylinder hole (102 c), and then sealing the glue injection hole (105 a);
an optical fiber led out from the optical fiber hole (102 b) penetrates through the cavity (101 c) and penetrates out of the leading-out hole (101 b-1), and then penetrates 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 block (102 d) is arranged in the fixing groove (104 a), and a plurality of lower screws (107) penetrate through the fixing threaded holes (104 b) 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 true CN115359976A (en) | 2022-11-18 |
| CN115359976B 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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| WO (1) | WO2024032343A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032343A1 (en) * | 2022-08-10 | 2024-02-15 | 常州博瑞电力自动化设备有限公司 | Thermal expansion compensation fiber optic insulator and method for using same |
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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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| 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
Patent Citations (3)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032343A1 (en) * | 2022-08-10 | 2024-02-15 | 常州博瑞电力自动化设备有限公司 | Thermal expansion compensation fiber optic insulator and method for using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115359976B (en) | 2023-06-23 |
| WO2024032343A1 (en) | 2024-02-15 |
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