CN112185619A - High-voltage silica gel insulated wire - Google Patents
High-voltage silica gel insulated wire Download PDFInfo
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- CN112185619A CN112185619A CN202011177268.4A CN202011177268A CN112185619A CN 112185619 A CN112185619 A CN 112185619A CN 202011177268 A CN202011177268 A CN 202011177268A CN 112185619 A CN112185619 A CN 112185619A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/328—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising violation sensing means
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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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention discloses a high-voltage silica gel insulated wire which comprises a conductor, wherein the conductor is sequentially provided with a working mechanism, an anti-shearing mechanism, a damage positioning mechanism and a wear-resistant layer; the working mechanism comprises a silica gel insulating layer, a glass fiber frame and a moisture-proof layer; the moisture-proof layer is wrapped on the outer circular surface of the conductor; the plurality of glass fiber frames are uniformly and fixedly connected to the outer circular surface of the moisture-proof layer in an annular shape; the outer side of the glass fiber frame is fixedly connected with the silica gel insulating layer; the wear-resistant layer is arranged inside the silica gel insulating layer. According to the invention, the anti-shearing mechanism is arranged, and the anti-shearing mechanism is used for replacing the filling use of a large amount of silicon rubber in the prior art, so that the manufacturing cost of the silica gel electric wire is greatly reduced, the large-range use of the silica gel electric wire is facilitated, the anti-shearing capability of the silica gel electric wire is improved, the weight of the silica gel electric wire is reduced, the laying and transporting difficulty of the electric wire is further reduced, and the use is convenient.
Description
Technical Field
The invention relates to the technical field of electric wires, in particular to a high-voltage silica gel insulated electric wire.
Background
The industrial name of the silica gel wire is AGR silica gel wire, which is processed by silica gel material, is suitable for the cable to be used in the environment temperature range of less than plus 180 ℃ and not less than minus 60 ℃ for long-term working, and the strong high temperature resistance and cold resistance enable the cable to be widely applied to industries related to high temperature, such as petrochemical industry, steel, aerospace, shipbuilding, military industry, pharmacy, food, plastic machinery, boilers and the like.
The high-voltage silica gel insulated wire belongs to the technical field of cable wires and is characterized in that a glass fiber layer is wrapped outside the conductor, a damp-proof layer is wrapped outside the glass fiber layer, at least 3 arc-shaped silica gel layers are uniformly distributed between the glass fiber layer and the damp-proof layer, and the arc-shaped silica gel layers are separated through the glass fiber layer.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. in the prior art, the high-temperature resistance and flexibility of the silicone rubber are reflected to the greatest extent by arranging the arc-shaped silicone rubber layer with a large area, but for some wires with thicker specifications, the weight of the wires is greatly increased by arranging a large number of silicone rubber layers, the laying and transportation difficulty of the wires is improved, meanwhile, the silicone rubber belongs to a high polymer material with higher price, the manufacturing cost of the wires is improved by using a large number of silicone rubbers, the large-scale use of the silicone rubber wires is not facilitated, and in addition, the shearing resistance of the prior art is weaker and still needs to be improved; 2. to the western region of the broad population, the maintenance of electric wire is comparatively heavy work, and because the inspection range of patrolling is too big, the damage of electric wire often can not in time discover, and then causes the short circuit of electric wire, can seriously cause the damage of consumer.
Therefore, a high-voltage silica gel insulated wire is provided.
Disclosure of Invention
The invention aims to provide a high-voltage silica gel insulated wire, which can transmit and primarily absorb shearing force by using a rubber connecting layer and an elastic sheet arranged in the rubber connecting layer through arranging an anti-shearing mechanism, a rubber supporting frame can generate deformation by matching with a movable block and a movable groove after receiving the shearing force and buffer and absorb the shearing force so as to play a role in resisting shearing, and the anti-shearing capability of the silica gel wire can be further improved by matching with a glass fiber layer The transportation is difficult, and the use is convenient; according to the invention, the damage positioning mechanism is arranged, the metal guide wire is arranged in the silica gel insulating layer, current flows back to the conductor through the metal guide wire after passing through the connecting lug, the positioner and the voltage regulating resistor, the metal guide wire is worn off after the sheath of the silica gel electric wire is damaged, the positioner is powered off, the sent signal stops, the rear monitoring center cannot receive the positioning of the damaged section of the electric wire, the current position of the positioner can be locked, the damaged section of the electric wire is positioned, a worker is reminded to timely visit a site to overhaul the damaged section, the damaged part is found out to carry out accurate maintenance, the maintenance search range is shortened, the maintenance efficiency is improved, meanwhile, the damage of the electric wire can be timely found and prompted, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a high-voltage silica gel insulated wire comprises a conductor, wherein the conductor is sequentially provided with a working mechanism, an anti-shearing mechanism, a damage positioning mechanism and a wear-resistant layer;
the working mechanism comprises a silica gel insulating layer, a glass fiber frame and a moisture-proof layer; the moisture-proof layer is wrapped on the outer circular surface of the conductor; the plurality of glass fiber frames are uniformly and fixedly connected to the outer circular surface of the moisture-proof layer in an annular shape; the outer side of the glass fiber frame is fixedly connected with the silica gel insulating layer; the wear-resistant layer is arranged inside the silica gel insulating layer;
the anti-shearing mechanism comprises a movable block, a rubber support frame, a movable groove, a return mechanism, an elastic sheet and a rubber connecting layer; the rubber connecting layer is arranged between two adjacent glass fiber frames; the elastic sheet is arranged inside the rubber connecting layer; a return mechanism is arranged at the connecting position of the lower end of the elastic sheet and the rubber connecting layer; a rubber support frame is arranged in the middle of the lower surface of the rubber connecting layer; one end of the rubber support frame is provided with a movable block; a movable groove is formed in one end of the side surface of the glass fiber frame, and the lower end of the rubber support frame is movably connected with the glass fiber frame through a movable block and the movable groove;
the damage positioning mechanism comprises a connecting lug, a positioner, a voltage regulating resistor, a metal guide wire and a connecting guide pillar; the connecting lug is arranged on the outer circular surface of the conductor, and one end of the connecting lug penetrates through the moisture-proof layer; the connecting lug penetrates through one end of the moisture-proof layer and is fixedly connected with the connecting guide pillar; one end of the connecting guide pillar extends into the silica gel insulating layer and is fixedly connected with a metal guide wire; the connecting guide pillar is electrically connected with the positioner and the voltage regulating resistor in sequence through the metal guide wire.
The high-temperature resistance and the flexibility of the silicon rubber are reflected to the maximum extent by arranging the area of the arc-shaped silicon rubber layer with a large area in the prior art, but aiming at electric wires with thicker specifications, the electric wire weight is greatly increased by arranging a large number of silicon rubber layers, the laying and transportation difficulty of the electric wires is improved, meanwhile, the silicon rubber belongs to a high-molecular material with higher price, the manufacturing cost of the electric wires is increased by using a large number of silicon rubber, the large-scale use of the silicon rubber electric wires is not facilitated, in addition, the shearing resistance of the prior art is weaker and still needs to be improved, the shearing resistance mechanism is arranged, the shearing force is transmitted and primarily absorbed by using the rubber connecting layer and the elastic sheet arranged in the rubber connecting layer, the rubber supporting frame is deformed by matching with the movable block and the movable groove after being subjected to the, the invention can further improve the anti-shearing capability of the silica gel electric wire by matching with the glass fiber layer, and the invention can ensure enough high temperature resistance and cold resistance by utilizing the anti-shearing mechanism to replace the filling use of a large amount of silicon rubber in the prior art while ensuring the outer silica gel insulating layer, thereby greatly reducing the manufacturing cost of the silica gel electric wire, being beneficial to the large-scale use of the silica gel electric wire, improving the anti-shearing capability of the silica gel electric wire, simultaneously reducing the weight of the silica gel electric wire, further reducing the laying and transportation difficulty of the electric wire and facilitating the use; aiming at western regions which are vast and rare, the maintenance of the electric wires is heavy work, and the damage of the electric wires cannot be found in time due to overlarge inspection and maintenance range, thereby causing the short circuit of the electric wires and seriously causing the damage of electric equipment, the invention arranges the damage positioning mechanism, the metal guide wire is arranged in the silica gel insulating layer, the current flows back to the conductor from the metal guide wire after passing through the connecting lug, the positioner and the voltage regulating resistor, after the crust of the silica gel electric wires is damaged, the metal guide wire is ground off, the positioner is powered off, the sent signal is stopped, the positioning of the damaged electric wires cannot be received by the background monitoring center, the current position of the positioner can be locked, the damaged position of the electric wires is positioned, and then the working personnel is reminded to timely visit the site to overhaul the damaged sections, the damaged positions are found out to carry out accurate maintenance and overhaul, the overhaul range is shortened, the efficiency of maintenance is maintained in the maintenance, can in time discover and indicate the electric wire damage simultaneously.
Preferably, the return mechanism comprises a mounting groove, a spring, a limiting column and a protection mechanism; the mounting groove is arranged at the connecting position of the elastic sheet and the rubber connecting layer; the spring is arranged in the middle of the inside of the mounting groove; a limiting column is arranged inside the spring; the protection mechanism is arranged at the position where the connection surface of the elastic sheet and the rubber connection layer is close to the recovery mechanism.
When the anti-shearing mechanism works, the rubber supporting frame is extruded by the deformation of the elastic sheet, after the elastic sheet is used for a long time, the elastic deformation effect is reduced, the sensitivity to the extrusion pressure degree is also reduced, the anti-shearing effect of the anti-shearing mechanism is reduced, and the normal work of the anti-shearing mechanism is influenced.
Preferably, the protection mechanism comprises an adhesive layer and a moisture absorption layer; the moisture absorption layer is fixedly connected to the connecting surface of the elastic sheet and the rubber connecting layer through the bonding layer; the bonding layer is a component made of glass cement; the moisture absorption layer is soluble fluoroplastic.
During operation, after the outside silica gel insulating layer of electric wire is damaged, steam gets into the corrosion that the answer machine constructed spring and flexure strip easily, through setting up protection machanism, can utilize the moisture absorption layer to absorb steam, can protect answer mechanism and flexure strip.
Preferably, the connecting bump comprises a contact, a drying layer, a column body, a sealant and an anti-breaking mechanism; the contact is arranged on the outer circular surface of the conductor; a cylinder is arranged at the connecting position of the contact and the conductor; one end of the contact extends into the cylinder and is fixedly connected with the connecting guide post; a drying layer is arranged in the cylinder body close to the contact; sealant is arranged at the connecting position of the connecting guide pillar and the column body; and an anti-breaking mechanism is arranged at the position, close to the sealant, of the connecting surface of the connecting guide pillar and the column body.
When the device works, the connecting lug of the damage positioning mechanism is directly connected with the conductor, so that the sealing performance of the connecting position is poor, and potential safety hazards exist.
Preferably, the anti-breaking mechanism comprises a conical body and a deformation groove; the conical body is arranged at the position, close to the sealant, of the connecting surface of the connecting guide pillar and the column body; and a plurality of deformation grooves are uniformly formed in the outer circular surface of the conical body.
The connecting guide post is provided with the anti-breaking mechanism at the connecting position of the connecting guide post and the connecting lug, and the conical body matching deformation groove is extruded to deform to protect the connecting guide post, so that the connecting guide post can be prevented from being broken in the electric wire transportation and laying process, and the normal work of the damaged positioning mechanism is ensured.
Preferably, the wear-resistant layer comprises an outer protective layer, a spiral steel wire layer and an inner protective layer; the inner protection layer is arranged at one side position, close to the metal guide wire, inside the silica gel insulation layer; one end of the inner protective layer is provided with a spiral steel wire layer; and an outer protective layer is arranged at one end of the spiral steel wire layer.
When the wear-resistant wire is in work, the silica gel insulating layer is easy to wear in the transportation, laying and working processes, so that the outer layer of the wire is damaged, and the normal work of the wire is influenced.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the anti-shearing mechanism is arranged, the rubber connecting layer and the elastic sheet arranged in the rubber connecting layer are utilized to transmit and primarily absorb the shearing force, the rubber supporting frame can be matched with the movable block and the movable groove to deform after being subjected to the shearing force, the shearing force is buffered and absorbed, and then the anti-shearing effect is achieved, and the anti-shearing capability of the silica gel electric wire can be further improved by matching with the glass fiber layer.
2. According to the invention, the damage positioning mechanism is arranged, the metal guide wire is arranged in the silica gel insulating layer, current flows back to the conductor from the metal guide wire after passing through the connecting lug, the positioner and the voltage regulating resistor, the metal guide wire is worn off after the sheath of the silica gel electric wire is damaged, the positioner is powered off, the sent signal stops, the rear monitoring center cannot receive the positioning of the damaged section of the electric wire, the current position of the positioner can be locked, the damaged section of the electric wire is positioned, a worker is reminded to timely visit a site to overhaul the damaged section, the damaged part is found out to carry out accurate maintenance, the maintenance search range is shortened, the maintenance efficiency is improved, and meanwhile, the damage of the electric wire can be timely found and prompted.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional structural view of the present invention;
FIG. 3 is a structural view of the shear resistant mechanism of the present invention;
FIG. 4 is a structural view of the breakage positioning mechanism of the present invention;
FIG. 5 is a structural view of the return mechanism of the present invention;
FIG. 6 is a structural view of the guard mechanism of the present invention;
FIG. 7 is a view of the structure of the connection bump of the present invention;
FIG. 8 is a structural view of the anti-snap mechanism of the present invention;
fig. 9 is a structural view of a wear-resistant layer of the present invention.
In the figure: 1. a silica gel insulating layer; 2. a conductor; 3. a glass fiber frame; 4. an anti-shear mechanism; 41. a movable block; 42. a rubber support frame; 43. a movable groove; 44. a return mechanism; 441. mounting grooves; 442. a spring; 443. a limiting column; 45. an elastic sheet; 46. a rubber connecting layer; 5. a moisture barrier; 6. a damage positioning mechanism; 61. a connection bump; 611. a contact; 612. drying the layer; 613. a cylinder; 614. sealing glue; 615. an anti-break mechanism; 6151. a conical body; 6152. a deformation groove; 62. a positioner; 63. voltage regulating resistors; 64. a metal guide wire; 65. connecting the guide post; 7. a wear layer; 71. an outer jacket; 72. a spiral steel wire layer; 73. an inner protective layer; 8. a protection mechanism; 81. an adhesive layer; 82. and a moisture absorption layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 9, the present invention provides a technical solution of a high voltage silica gel insulated wire:
a high-voltage silica gel insulated wire is shown in figures 1 to 2 and comprises a conductor 2, wherein the conductor 2 is sequentially provided with a working mechanism, an anti-shearing mechanism 4, a damage positioning mechanism 6 and a wear-resistant layer 7;
the working mechanism comprises a silica gel insulating layer 1, a glass fiber frame 3 and a moisture-proof layer 5; the moisture-proof layer 5 is wrapped on the outer circular surface of the conductor 2; the glass fiber frames 3 are uniformly and fixedly connected to the outer circular surface of the moisture-proof layer 5 in an annular shape; the outer side of the glass fiber frame 3 is fixedly connected with the silica gel insulating layer 1; the wear-resistant layer 7 is arranged inside the silica gel insulating layer 1;
as shown in fig. 3, the anti-shearing mechanism 4 includes a movable block 41, a rubber support frame 42, a movable groove 43, a return mechanism 44, an elastic sheet 45, and a rubber connecting layer 46; the rubber connecting layer 46 is arranged between two adjacent glass fiber frames 3; the elastic sheet 45 is arranged inside the rubber connecting layer 46; a return mechanism 44 is arranged at the connecting position of the lower end of the elastic sheet 45 and the rubber connecting layer 46; a rubber support frame 42 is arranged in the middle of the lower surface of the rubber connecting layer 46; one end of the rubber supporting frame 42 is provided with a movable block 41; one end of the side surface of the glass fiber frame 3 is provided with a movable groove 43, and the lower end of the rubber support frame 42 is movably connected with the glass fiber frame 3 through a movable block 41 and the movable groove 43;
as shown in fig. 4, the damage positioning mechanism 6 includes a connection protrusion 61, a positioner 62, a voltage-regulating resistor 63, a metal guide wire 64, and a connection guide post 65, wherein the selectable types of the positioner 62 are: NEO-6M type; the connecting lug 61 is arranged on the outer circular surface of the conductor 2, and one end of the connecting lug penetrates through the moisture-proof layer 5; the connecting lug 61 penetrates through one end of the moisture-proof layer 5 and is fixedly connected with the connecting guide pillar 65; one end of the connecting guide post 65 extends into the silica gel insulating layer 1 and is fixedly connected with a metal guide wire 64; the connecting guide post 65 is electrically connected to the positioner 62 and the voltage regulating resistor 63 in turn through a metal guide wire 64.
In the prior art, the high temperature resistance and flexibility of the silicon rubber are reflected to the greatest extent by arranging the area of the arc-shaped silicon rubber layer with a large area, but aiming at electric wires with thicker specifications, the weight of the electric wires is greatly increased by arranging a large number of silicon rubber layers, the laying and transportation difficulty of the electric wires is improved, meanwhile, the silicon rubber belongs to a high polymer material with higher price, the manufacturing cost of the electric wires is increased by using a large number of silicon rubber, the large-scale use of the silicon rubber electric wires is not facilitated, in addition, the shearing resistance of the prior art is weaker and still needs to be improved, the shearing resistance mechanism 4 is arranged, the shearing force is transmitted and primarily absorbed by using the rubber connecting layer 46 and the elastic sheet 45 arranged in the rubber connecting layer, the rubber supporting frame 42 is deformed by matching with the movable block 41 and the movable, the outer silica gel insulation layer 1 can ensure enough high temperature resistance and cold resistance, and meanwhile, the anti-shearing mechanism 4 is used for replacing the filling use of a large amount of silicon rubber in the prior art, so that the manufacturing cost of the silica gel electric wire is greatly reduced, the large-scale use of the silica gel electric wire is facilitated, the anti-shearing capability of the silica gel electric wire is improved, the weight of the silica gel electric wire is reduced, the laying and transportation difficulty of the electric wire is further reduced, and the use is convenient; aiming at western regions which are vast and rare, the maintenance of the electric wires is heavy work, and the damage of the electric wires cannot be found in time due to overlarge inspection and guard range, thereby causing the short circuit of the electric wires and seriously causing the damage of electric equipment, the invention arranges the damage positioning mechanism 6, the metal guide wire 64 is arranged in the silica gel insulating layer 1, the current flows back to the conductor 2 from the metal guide wire 64 after passing through the connecting lug 61, the positioner 62 and the voltage regulating resistor 63, after the crust of the silica gel electric wires is damaged, the metal guide wire 64 is ground off, the positioner 62 is powered off, the sent signal is stopped, the background monitoring center cannot receive the positioning of the damaged electric wires, the current position of the positioner 62 can be locked, the position of the damaged section of the electric wires is positioned, further, a worker is reminded to arrive at the site to overhaul the damaged section in time, and the damaged part is found out for precise maintenance and repair, the maintenance searching range is shortened, the maintenance efficiency is improved, and meanwhile, the electric wire damage can be found in time and prompted.
As an embodiment of the present invention, as shown in fig. 5, the restoring mechanism 44 includes a mounting groove 441, a spring 442, a limiting post 443, and a protection mechanism 8; the mounting groove 441 is arranged at the connecting position of the elastic sheet 45 and the rubber connecting layer 46; the spring 442 is arranged in the middle of the mounting groove 441; a limiting column 443 is arranged inside the spring 442; the protection mechanism 8 is arranged at the position, close to the recovery mechanism 44, of the connecting surface of the elastic sheet 45 and the rubber connecting layer 46; when the shearing resisting mechanism 4 works, the rubber supporting frame 42 is extruded by the deformation of the elastic sheet 45, after the elastic sheet 45 is used for a long time, the elastic deformation effect is reduced, the sensitivity to the extrusion pressure degree is also reduced, the shearing resisting effect of the shearing resisting mechanism 4 is reduced, and the normal work of the shearing resisting mechanism 4 is influenced.
As an embodiment of the present invention, as shown in fig. 6, the protection mechanism 8 includes an adhesive layer 81 and a moisture absorption layer 82; the moisture absorption layer 82 is fixedly connected to the connecting surface of the elastic sheet 45 and the rubber connecting layer 46 through an adhesive layer 81; the bonding layer 81 is a member made of glass cement; the moisture-absorbing layer 82 is a soluble fluoroplastic; during operation, at the outside damaged back of silica gel insulating layer 1 of electric wire, steam gets into easily and restores mechanism 44 and causes the corrosion of spring 442 and flexure strip 45, through setting up protection machanism 8, can utilize moisture absorption layer 82 to absorb steam, can protect restoring mechanism 44 and flexure strip 45.
As an embodiment of the present invention, as shown in fig. 7, the connection bump 61 includes a contact 611, a drying layer 612, a column 613, a sealant 614, and a fracture-preventing mechanism 615; the contact 611 is arranged on the outer circular surface of the conductor 2; a column 613 is arranged at the connecting position of the contact 611 and the conductor 2; one end of the contact 611 extends into the column 613 and is fixedly connected with the connecting guide post 65; a drying layer 612 is arranged inside the cylinder 613 and close to the contact 611; a sealant 614 is arranged at the connecting position of the connecting guide post 65 and the column 613; a fracture-preventing mechanism 615 is arranged at the position, close to the sealant 614, of the connecting surface of the connecting guide pillar 65 and the cylinder 613; in the invention, the drying layer 612 and the sealant 614 are arranged in the connecting lug 61, so that the connecting position can be dried and sealed, the sealing performance of the connecting position is improved, and the normal work of the damage positioning mechanism 6 is ensured.
As an embodiment of the present invention, as shown in fig. 8, the anti-breaking mechanism 615 includes a cone 6151 and a deformation groove 6152; the cone 6151 is arranged at the position, close to the sealant 614, of the connecting surface of the connecting guide post 65 and the column 613; a plurality of deformation grooves 6152 are uniformly formed on the outer circular surface of the conical body 6151; in the working process, the connecting guide post 65 of the damage positioning mechanism 6 is easy to be bent in the wire transportation and laying process and is easy to break, so that the damage positioning mechanism 6 cannot work normally.
As an embodiment of the present invention, as shown in fig. 9, the wear-resistant layer 7 includes an outer sheath 71, a spiral wire layer 72, and an inner sheath 73; the inner protection layer 73 is arranged at a position, close to one side of the metal guide wire 64, in the silica gel insulation layer 1; one end of the inner sheath 73 is provided with a spiral steel wire layer 72; an outer protective layer 71 is arranged at one end of the spiral steel wire layer 72; when the silica gel insulating layer 1 works, the silica gel insulating layer 1 is easy to wear in the processes of transportation, laying and working, so that the outer layer of the electric wire is damaged, and the normal work of the electric wire is influenced.
The using method comprises the following steps: in the transportation, laying and use processes of the invention, after the external radial shearing force is applied, the shearing force is transmitted and primarily absorbed by the rubber connecting layer 46 and the elastic sheet 45 arranged in the shearing resisting mechanism 4, the rubber supporting frame 42 is deformed by the shearing force and matched with the movable block 41 and the movable groove 43 to buffer and absorb the shearing force, so as to play a shearing resisting effect, and the shearing resisting capability of the silica gel electric wire can be further improved by matching with the glass fiber frame 3, the invention can ensure enough high temperature resistance and cold resistance of the outer silica gel insulating layer 1, and simultaneously, the shearing resisting mechanism 4 is used for replacing the filling of a large amount of silicon rubber in the prior art, thereby greatly reducing the manufacturing cost of the silica gel electric wire, being beneficial to the large-scale use of the silica gel electric wire, improving the shearing resisting capability of the silica gel electric wire, and simultaneously reducing the weight of the silica gel electric wire, further, the difficulty of laying and transporting the electric wire is reduced, the use is convenient, the maintenance of the electric wire is relatively heavy work aiming at western regions which are vast and rare, the damage of the electric wire can not be found in time due to overlarge inspection and guard range, the short circuit of the electric wire is further caused, and the damage of electric equipment can be seriously caused, the invention arranges the damage positioning mechanism 6, the metal guide wire 64 is arranged in the silica gel insulating layer 1, the current flows back to the conductor 2 from the metal guide wire 64 after passing through the connecting lug 61, the positioner 62 and the voltage regulating resistor 63, after the crust of the silica gel electric wire is damaged, the metal guide wire 64 is worn off, the positioner 62 is powered off, the sent signal is stopped, the positioning of the damaged electric wire can not be received at the background monitoring center, the current position of the positioner 62 can be locked, the damaged position of the electric wire can be positioned, and then the working personnel can be reminded to go to the scene to overhaul the damaged, find out damaged department and carry out accurate maintenance and overhaul, shortened the maintenance and look for the scope, improved maintenance and maintenance efficiency, can in time discover simultaneously and indicate the electric wire damage.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-voltage silica gel insulated wire comprises a conductor (2), and is characterized in that: the conductor (2) is sequentially provided with a working mechanism, an anti-shearing mechanism (4), a damage positioning mechanism (6) and a wear-resistant layer (7);
the working mechanism comprises a silica gel insulating layer (1), a glass fiber frame (3) and a moisture-proof layer (5); the moisture-proof layer (5) is wrapped on the outer circular surface of the conductor (2); the glass fiber frames (3) are uniformly and fixedly connected to the outer circular surface of the moisture-proof layer (5) in an annular shape; the outer side of the glass fiber frame (3) is fixedly connected with the silica gel insulating layer (1); the wear-resistant layer (7) is arranged inside the silica gel insulating layer (1);
the anti-shearing mechanism (4) comprises a movable block (41), a rubber support frame (42), a movable groove (43), a return mechanism (44), an elastic sheet (45) and a rubber connecting layer (46); the rubber connecting layer (46) is arranged between two adjacent glass fiber frames (3); the elastic sheet (45) is arranged inside the rubber connecting layer (46); a return mechanism (44) is arranged at the connecting position of the lower end of the elastic sheet (45) and the rubber connecting layer (46); a rubber support frame (42) is arranged in the middle of the lower surface of the rubber connecting layer (46); one end of the rubber support frame (42) is provided with a movable block (41); one end of the side surface of the glass fiber frame (3) is provided with a movable groove (43), and the lower end of the rubber support frame (42) is movably connected with the glass fiber frame (3) through a movable block (41) and the movable groove (43);
the damage positioning mechanism (6) comprises a connecting lug (61), a positioner (62), a voltage regulating resistor (63), a metal guide wire (64) and a connecting guide post (65); the connecting bump (61) is arranged on the outer circular surface of the conductor (2), and one end of the connecting bump penetrates through the moisture-proof layer (5); the connecting bump (61) penetrates through one end of the moisture-proof layer (5) and is fixedly connected with the connecting guide post (65); one end of the connecting guide post (65) extends into the silica gel insulating layer (1) and is fixedly connected with a metal guide wire (64); the connecting guide post (65) is electrically connected with the positioner (62) and the voltage regulating resistor (63) in sequence through a metal guide wire (64).
2. The high-voltage silica gel insulated wire according to claim 1, wherein: the restoring mechanism (44) comprises a mounting groove (441), a spring (442), a limiting column (443) and a protection mechanism (8); the mounting groove (441) is arranged at the connecting position of the elastic sheet (45) and the rubber connecting layer (46); the spring (442) is arranged in the middle position inside the mounting groove (441); a limiting column (443) is arranged inside the spring (442); the protection mechanism (8) is arranged at the position, close to the recovery mechanism (44), of the connecting surface of the elastic sheet (45) and the rubber connecting layer (46).
3. The high-voltage silica gel insulated wire according to claim 2, characterized in that: the protection mechanism (8) comprises an adhesive layer (81) and a moisture absorption layer (82); the moisture absorption layer (82) is fixedly connected to the connecting surface of the elastic sheet (45) and the rubber connecting layer (46) through an adhesive layer (81); the bonding layer (81) is a component made of glass cement; the moisture absorption layer (82) is a soluble fluoroplastic.
4. The high-voltage silica gel insulated wire according to claim 1, wherein: the connecting bump (61) comprises a contact (611), a drying layer (612), a column (613), a sealant (614) and an anti-break mechanism (615); the contact (611) is arranged on the outer circular surface of the conductor (2); a column (613) is arranged at the connecting position of the contact (611) and the conductor (2); one end of the contact (611) extends to the inside of the column (613) and is fixedly connected with the connecting guide post (65); a drying layer (612) is arranged inside the cylinder (613) and close to the contact (611); a sealant (614) is arranged at the connecting position of the connecting guide post (65) and the column body (613); and an anti-breaking mechanism (615) is arranged at the position, close to the sealant (614), of the connecting surface of the connecting guide post (65) and the cylinder (613).
5. The high-voltage silica gel insulated wire according to claim 4, wherein: the anti-breaking mechanism (615) comprises a conical body (6151) and a deformation groove (6152); the conical body (6151) is arranged at the position, close to the sealant (614), of the connecting surface of the connecting guide post (65) and the column body (613); a plurality of deformation grooves (6152) are uniformly arranged on the outer circular surface of the conical body (6151).
6. The high-voltage silica gel insulated wire according to claim 1, wherein: the wear-resistant layer (7) comprises an outer protective layer (71), a spiral steel wire layer (72) and an inner protective layer (73); the inner protection layer (73) is arranged at one side position, close to the metal guide wire (64), in the silica gel insulation layer (1); one end of the inner protective layer (73) is provided with a spiral steel wire layer (72); and one end of the spiral steel wire layer (72) is provided with an outer protective layer (71).
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| CN202011177268.4A CN112185619B (en) | 2020-10-28 | 2020-10-28 | High-voltage silica gel insulated wire |
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| JPH09270208A (en) * | 1996-01-31 | 1997-10-14 | Furukawa Electric Co Ltd:The | Fireproof electric wire |
| JPH09293416A (en) * | 1996-04-26 | 1997-11-11 | Chubu Sukegawa Kogyo Kk | Heat resistant insulated wire for molding die |
| CN108335779A (en) * | 2018-01-12 | 2018-07-27 | 江苏源达线缆科技有限公司 | High pressure silicone insulation electric wire |
| CN209747189U (en) * | 2019-05-09 | 2019-12-06 | 江苏广汇电缆有限公司 | Waterproof sun-proof tensile power cable |
| CN210984360U (en) * | 2019-12-25 | 2020-07-10 | 湖南力通恒裕电缆科技有限公司 | High-temperature-resistant, irradiation-resistant and corrosion-resistant cable |
| CN111696711A (en) * | 2020-07-17 | 2020-09-22 | 重庆赛力格柯网络科技有限公司 | Bending-resistant anti-interference cable |
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2020
- 2020-10-28 CN CN202011177268.4A patent/CN112185619B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09270208A (en) * | 1996-01-31 | 1997-10-14 | Furukawa Electric Co Ltd:The | Fireproof electric wire |
| JPH09293416A (en) * | 1996-04-26 | 1997-11-11 | Chubu Sukegawa Kogyo Kk | Heat resistant insulated wire for molding die |
| CN108335779A (en) * | 2018-01-12 | 2018-07-27 | 江苏源达线缆科技有限公司 | High pressure silicone insulation electric wire |
| CN209747189U (en) * | 2019-05-09 | 2019-12-06 | 江苏广汇电缆有限公司 | Waterproof sun-proof tensile power cable |
| CN210984360U (en) * | 2019-12-25 | 2020-07-10 | 湖南力通恒裕电缆科技有限公司 | High-temperature-resistant, irradiation-resistant and corrosion-resistant cable |
| CN111696711A (en) * | 2020-07-17 | 2020-09-22 | 重庆赛力格柯网络科技有限公司 | Bending-resistant anti-interference cable |
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| CN112185619B (en) | 2023-04-25 |
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