CN114488450B

CN114488450B - Magnetic sliding type snow accumulation preventing overhead optical cable for communication

Info

Publication number: CN114488450B
Application number: CN202210308701.6A
Authority: CN
Inventors: 王琴
Original assignee: Gaorun New Material Science And Technology Nantong Co ltd
Current assignee: Gaorun New Material Science And Technology Nantong Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-06-10
Anticipated expiration: 2042-03-28
Also published as: CN114488450A

Abstract

The invention discloses a magnetic sliding type snow-accumulation-preventing aerial optical cable for communication, which belongs to the technical field of optical cables, can improve the tensile resistance of an optical cable body and simultaneously provide a sliding track for a snow-removing magnetic ball in a mode of sleeving a magnetic sleeve and a positioning sleeve on the optical cable body in a staggered manner, and further extrude an electrifying seat to trigger electrifying action so as to enable electromagnets at the left end and the right end of the magnetic sleeve to generate a magnetic field to resist the magnetic attraction force exerted by the snow-removing magnetic ball on the pulling sliding strip to force the snow-removing magnetic ball to move due to the fact that the sensing weight on the magnetic sleeve sinks due to the fact that snow is pressed, and the magnetic field cooperates with a heat conducting beam to clean the snow on the optical cable body in the moving process and resets after the snow is cleaned, the endurance life of the electromagnets is greatly prolonged, compared with the existing aerial cable, the magnetic sliding type snow-preventing aerial optical cable can greatly improve the safety in the weather of wind and snow, the problem of damage to the optical cable caused by pressing down of accumulated snow is not easy to occur.

Description

Magnetic sliding type snow accumulation preventing overhead optical cable for communication

Technical Field

The invention relates to the technical field of optical cables, in particular to a magnetic sliding type snow accumulation prevention aerial optical cable for communication.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and are telecommunication cable assemblies that may be used individually or in groups. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.

The aerial optical cable is an optical cable used by being hung on an electric pole. The overhead optical cable laying mode can utilize the original overhead open circuit pole line, save the construction cost and shorten the construction period. The aerial optical cable is hung on the electric pole and is required to be capable of adapting to various natural environments. The method is generally used for long-distance secondary or below-secondary lines, and is suitable for special network cable lines or some local special sections.

In severe cold weather with wind and snow, the aerial optical cable is easily disturbed by external force, particularly snow on the optical cable, the optical cable is excessively stressed and is excessively stretched or even damaged, the communication engineering loss is large, and the aerial optical cable is difficult to clean in time through manual work when the snow exists, so that the safety of the aerial optical cable in the wind and snow weather is greatly reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a magnetic sliding type snow accumulation prevention aerial optical cable for communication, which can improve the tensile resistance of an optical cable body and simultaneously provide a sliding track for a snow cleaning magnetic ball in a mode of sleeving a magnetic sleeve and a positioning sleeve on the optical cable body in a staggered manner and stretching a tensile sliding strip between the magnetic sleeve and the positioning sleeve, the sensing falling on the magnetic sleeve sinks due to the accumulated snow, and then an electrifying seat is extruded to trigger the electrifying action, so that electromagnets at the left end and the right end of the magnetic sleeve generate a magnetic field to resist the magnetic attraction force exerted by the snow cleaning magnetic ball on the tensile sliding strip to force the snow cleaning magnetic ball to move, and the accumulated snow on the optical cable body is cleaned by matching with a heat conducting dynamic beam in the moving process and reset after the accumulated snow is cleaned, thereby greatly prolonging the endurance life of the electromagnets, compared with the existing aerial cable, the invention can greatly improve the safety in the weather of wind and snow, and is not easy to cause the problem of damage of the optical cable caused by the depression of accumulated snow.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A magnetic sliding type snow accumulation preventing overhead optical cable for communication comprises an optical cable body, wherein a plurality of magnetic sleeves and positioning sleeves which are uniformly distributed are fixedly sleeved on the optical cable body, the magnetic sleeves and the positioning sleeves are arranged in a staggered mode, a tensile sliding strip which is located on the upper side of the optical cable body is fixedly connected between the magnetic sleeves and the positioning sleeves, the tensile sliding strip inclines downwards along the direction, close to the positioning sleeves, of the magnetic sleeves, a snow cleaning magnetic ball is slidably connected onto the tensile sliding strip, one end, close to each other, of each of the tensile sliding strip and the optical cable body is fixedly connected with a plurality of heat conduction dynamic beams which are uniformly distributed, the heat conduction dynamic beams which correspond to each other up and down are in contact with each other, a snow falling groove is formed in the upper end of the magnetic sleeves, a sensing groove is formed in the bottom wall of the snow falling groove, a power-on seat is installed at the bottom end of the sensing groove, a sensing weight is installed at the opening of the sensing groove, and the sensing weight corresponds to the power-on seat up and down, the electromagnets are installed at the left end and the right end of the magnetic sleeve in an embedded mode, and the power-on seat is electrically connected with the electromagnets.

Further, the perception weighs down including last membrane and lower water pocket of pushing down, on seal the membrane and connect in perception groove opening part, water pocket fixed connection in last membrane lower extreme and keep sealed down pushes down, on seal the membrane and can protect the circular telegram seat of perception inslot, avoid receiving external interference and damage, and receive the extrusion when covering snow, thereby make down the water pocket of pushing down continue to press down the circular telegram action that triggers the circular telegram seat, it is worth noting that the water pocket of pushing down can carry out certain degree deformation under normal condition, avoid appearing the phenomenon of spurious triggering and extravagant electric quantity, only under the wind and snow weather, the water pocket of pushing down has certain hardness because low temperature environment freezes, thereby can push down smoothly the circular telegram seat and trigger the circular telegram action.

Furthermore, the upper sealing film is made of an elastic waterproof material, the lower water-ejecting bag is of an inverted horn-shaped structure, and water or acetic acid solution is contained in the lower water-ejecting bag.

Further, the circular telegram seat is including deciding touch switch, movable contact switch and a pair of wire, decide touch switch through a pair of wire respectively with electro-magnet electric connection, decide touch switch fixed connection in perception tank bottom portion, and movable contact switch sliding connection in decide the touch switch upside, many elastic stay cords of fixedly connected with between wire and the perception tank lateral wall keep certain distance between touch switch and the movable contact switch under the normal condition, weigh down the back that receives snow at the perception for movable contact switch moves down and realizes the circular telegram with deciding touch switch contact, thereby triggers the magnetic field production action of electro-magnet.

Further, snow removing magnetic ball includes and stretches end, lower magnetic end and extension strip on, it stretches end fixed connection and constitutes a complete spheroid to stretch end upper end down, stretch on and stretch and offer between the end and the lower magnetic end with tensile draw-bar assorted slide opening, extension strip fixed connection stretches end upper end on and orientation magnetomotive cover and falls the snow groove and match, lower magnetic end can be adsorbed and then realize the action of slip snow removal on the tensile draw-bar by the produced magnetic attraction of electro-magnet, it stretches end weight on and guarantees that snow removing magnetic ball's center is inclined to one side and improves stability to stretch, when snow removing magnetic ball received magnetic attraction and moves to magnetomotive cover one side, carries out synchronous clearance through the extension of extension strip to the snow that falls the snow inslot, and then makes the circular telegram seat resume the outage and avoid the power consumption problem that long-time circular telegram brought.

Furthermore, the upper extending end is made of a light material, the lower magnetic end is made of a magnetic material, and the extending strip is made of an elastic material.

Further, the tensile draw runner includes outer strip cover, spacing block, light and heat layer and heat-conducting layer, spacing block fixed connection is in outer strip cover upper end, the groove of giving birth to heat has been seted up between outer strip cover and the spacing block, light and heat layer and heat-conducting layer are connected respectively and are distributed about giving birth to the inslot and keeping, it runs through outer strip cover and is connected with the heat-conducting layer to lead the thermal power bundle, and the spacing block plays the guard action to the thermal power layer, avoids receiving the sliding wear of snow-removing magnetic ball, satisfies shining of light simultaneously, and the light and heat layer can be turned into heat energy with partial light energy to through the heat-conducting layer to the heat power bundle transmission, and partial heat is used for melting snow, and partial heat can be transmitted to the optical cable body and reduce the influence of low temperature environment to the optical cable body.

Furthermore, the outer strip sleeve is made of a heat-insulating material, the isolating sheet is made of a smooth light-transmitting material, and the photo-thermal layer is made of a black carbon-based material.

Further, the heat conduction moves and restraints including outer covering, heat conduction silk and heat conduction bag, the outside in the heat conduction silk is wrapped up in to the outsourcing cover, the heat conduction bag is inlayed and is connected in outer covering tip and with the heat conduction silk, and the outsourcing cover can reduce the heat and to external loss at the conduction in-process, when the heat conduction silk transmits to the heat conduction bag, because the magnetic attraction effect between the heat conduction bag, partial heat can be conducted to the optical cable body smoothly to when the electro-magnet applyed magnetic attraction, the heat conduction moves and restraints also can initiatively to assisting snow removing magnetic ball to clear up snow to the direction slope of magnetic moving cover, and initiatively resets and establish the heat conduction connection after losing magnetic attraction.

Furthermore, the outer sleeve is made of elastic heat insulation materials, the heat conducting wires are made of elastic heat conduction materials, and the heat conducting bags are filled with heat conducting oil and magnetic powder.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can be realized by the way that the magnetic sleeve and the positioning sleeve are sleeved on the optical cable body in a staggered manner, and a tensile slide bar is stretched between the magnetic sleeve and the positioning sleeve, so that the tensile resistance of the optical cable body can be improved, and a sliding track can be provided for the snow cleaning magnetic ball, the sensing plummet on the magnetic sleeve sinks due to the pressure of accumulated snow, and then the energizing seat is squeezed to trigger the energizing action, so that the electromagnets at the left end and the right end of the magnetic sleeve generate magnetic fields, the snow-removing magnetic ball on the tensile slide bar is applied with magnetic attraction to force the tensile slide bar to move, accumulated snow on the cable body is cleaned by matching with the heat conducting and driving beam in the moving process, the displacement is carried out after the accumulated snow is cleaned, the endurance life of the electromagnet is greatly prolonged, compared with the existing aerial cable, the aerial cable can greatly improve the safety in the wind and snow weather, and the problem of damage to the optical cable caused by the depression of accumulated snow is solved.

(2) The perception weighs down and seals the membrane and push up the water pocket down including going up, it connects in perception groove opening part to go up to seal the membrane, push up water pocket fixed connection down seals the membrane lower extreme and keeps sealed on last, it can protect the circular telegram seat in the perception inslot to go up to seal the membrane, avoid receiving external interference and damaging, and receive the extrusion when covering snow, thereby make down the circular telegram action that pushes down the water pocket and continue to push down the trigger circular telegram seat, it is worth noting that the deformation of certain degree can be carried out to push up the water pocket down under normal condition, avoid appearing the phenomenon of spurious triggering and extravagant electric quantity, only under the wind and snow weather, push up the water pocket down and freeze and have certain hardness because low temperature environment, thereby can push down smoothly the circular telegram seat and trigger the circular telegram action.

(3) The circular telegram seat is including deciding the touch switch, movable contact switch and a pair of wire, decide the touch switch through a pair of wire respectively with electro-magnet electric connection, decide touch switch fixed connection in perception tank bottom, and movable contact switch sliding connection in decide the touch switch upside, many elasticity stay cords of fixedly connected with between wire and the perception tank lateral wall, keep certain distance between touch switch and the movable contact switch under the normal condition, weigh down the back that pushes down that receives snow at the perception, make movable contact switch move down with decide the touch switch contact and realize the circular telegram, thereby the magnetic field that triggers the electro-magnet produces the action.

(4) The snow cleaning magnetic ball comprises an upper extension end, a lower magnetic end and an extension strip, wherein the upper extension end is fixedly connected to the upper end of the lower magnetic end and forms a complete ball body, a slide hole matched with the tensile slide strip is formed between the upper extension end and the lower magnetic end, the extension strip is fixedly connected to the upper end of the upper extension end and is matched with the snow falling groove towards the magnetic sleeve, the lower magnetic end can be adsorbed by magnetic attraction generated by an electromagnet, sliding snow cleaning action is achieved on the tensile slide strip, the upper extension end is light in weight, the center of the snow cleaning magnetic ball is guaranteed to be inclined downwards to improve stability, when the snow cleaning magnetic ball is moved to one side of the magnetic sleeve under the action of magnetic attraction, snow in the snow falling groove is cleaned synchronously through the extension action of the extension strip, and the power-on base is recovered to be powered off to avoid the problem of power consumption caused by long-time power-on.

(5) Tensile draw runner includes the outer strip cover, the spacing block, light and heat layer and heat-conducting layer, spacing block fixed connection is in outer strip cover upper end, heat generation groove has been seted up between outer strip cover and the spacing block, light and heat layer and heat-conducting layer are connected respectively in heat generation groove and are kept distribution from top to bottom, the heat conduction is moved the bundle and is run through outer strip cover and is connected with the heat-conducting layer, the spacing block plays the guard action to the light and heat layer, avoid receiving the sliding wear of snow removing magnetic ball, satisfy shining of light simultaneously, light and heat layer can become heat energy with partial light energy conversion, and transmit through the heat-conducting layer to the heat-conducting bundle of heat conduction, partial heat is used for melting snow, partial heat can transmit to the optical cable body and reduce the influence of low temperature environment to the optical cable body.

(6) The heat conduction is moved and is restrainted including outer canning, heat conduction silk and heat conduction bag, outer canning wraps in the outside of heat conduction silk, the heat conduction bag is inlayed and is connected in outer canning tip and with the heat conduction silk, the outer canning can reduce the heat to external loss at the conduction in-process, when heat conduction silk transmits to the heat conduction bag, because the magnetic attraction effect between the heat conduction bag, partial heat can be conducted to the optical cable body smoothly, and when the magnetic attraction was applyed to the electro-magnet, the heat conduction is moved and is restrainted also can initiatively to the orientation slope of magnetic sleeving to assist snow removal magnetism ball to clear up snow, and the heat conduction connection is established in the initiative after losing magnetic attraction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention in its normal state;

FIG. 3 is a cross-sectional view of the magnetomotive sleeve of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic structural view of the snow-removing magnetic ball of the present invention;

FIG. 6 is a schematic structural view of a tension slide of the present invention;

FIG. 7 is a cross-sectional view of the thermally conductive harness of the present invention;

FIG. 8 is a cross-sectional view of the snow-covered tire according to the present invention.

The reference numbers in the figures illustrate:

the cable comprises an optical cable body 1, a magnetic driving sleeve 2, a positioning sleeve 3, a tensile sliding strip 4, an outer strip sleeve 41, a spacer 42, a photothermal layer 43, a heat conduction layer 44, a snow clearing magnetic ball 5, an upper extension end 51, a lower magnetic end 52, an extension strip 53, a heat conduction dynamic bundle 6, an outer sheath 61, a heat conduction wire 62, a heat conduction bag 63, an electromagnet 7, an 8 sensing weight, an upper sealing film 81, a lower water pushing bag 82, a power-on seat 9, a fixed contact switch 91, a movable contact switch 92 and a lead 93.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may 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 a specific case to those of ordinary skill in the art.

Example 1:

referring to fig. 1, a magnetic sliding type snow accumulation preventing aerial optical cable for communication comprises an optical cable body 1, a plurality of magnetic sleeves 2 and locating sleeves 3 which are uniformly distributed are fixedly sleeved on the optical cable body 1, the magnetic sleeves 2 and the locating sleeves 3 are arranged in a staggered mode, a tensile slide bar 4 positioned on the upper side of the optical cable body 1 is fixedly connected between the magnetic sleeves 2 and the locating sleeves 3, the tensile slide bar 4 inclines downwards along the direction of the magnetic sleeves 2 close to the locating sleeves 3, snow clearing magnetic balls 5 are slidably connected on the tensile slide bar 4, a plurality of heat conduction movable beams 6 which are uniformly distributed are fixedly connected at one end, close to each other, of the tensile slide bar 4 and the optical cable body 1, the heat conduction movable beams 6 which correspond to each other up and down are in contact with each other, a snow falling groove is formed in the upper end of the magnetic sleeves 2, a sensing groove is formed in the bottom wall of the snow falling groove, a power-on base 9 is installed at the bottom end of the sensing groove, a sensing weight 8 is installed at the opening of the sensing groove, and the sensing weight 8 corresponds to the power-on the power base 9 up and down, the left end and the right end of the magnetic sleeve 2 are respectively provided with an electromagnet 7 in an embedded mode, and the power-on seat 9 is electrically connected with the electromagnets 7.

Referring to fig. 4, the sensing sinker 8 includes an upper sealing film 81 and a lower water-pushing bag 82, the upper sealing film 81 is connected to an opening of the sensing groove, the lower water-pushing bag 82 is fixedly connected to a lower end of the upper sealing film 81 and keeps sealed, the upper sealing film 81 can protect the power-on seat 9 in the sensing groove from being damaged by external interference and being squeezed when snow is covered, so that the lower water-pushing bag 82 continues to push down to trigger the power-on action of the power-on seat 9, it is noted that the lower water-pushing bag 82 can deform to a certain extent in a normal state, thereby avoiding the phenomenon of false triggering and wasting electric quantity, and only in a windy and snowy weather, the lower water-pushing bag 82 freezes to have a certain hardness due to a low temperature environment, so that the power-on seat 9 can be smoothly pushed down to trigger the power-on action.

The upper sealing film 81 is made of elastic waterproof material, the lower top water bag 82 is in an inverted horn-shaped structure, and water or acetic acid solution is contained in the lower top water bag 82.

The circular telegram seat 9 is including deciding touch switch 91, movable contact switch 92 and a pair of wire 93, decide touch switch 91 through a pair of wire 93 respectively with electro-magnet 7 electric connection, decide touch switch 91 fixed connection in perception tank bottom, and movable contact switch 92 sliding connection in decide touch switch 91 upside, wherein movable contact switch 92 is from taking the power, many elasticity stay cords of fixedly connected with between wire 93 and the perception tank lateral wall, keep certain distance between deciding touch switch 91 and the movable contact switch 92 under the normal condition, weigh down 8 in the perception and receive the back that pushes down of snow, make movable contact switch 92 move down and realize the circular telegram with deciding touch switch 91 contact, thereby trigger the magnetic field production action of electro-magnet 7.

Referring to fig. 5, the snow cleaning magnetic ball 5 includes an upper extending end 51, a lower magnetic end 52 and an extending strip 53, the upper extending end 51 is fixedly connected to the upper end of the lower magnetic end 52 to form a complete sphere, a sliding hole matched with the tensile slide bar 4 is formed between the upper extending end 51 and the lower magnetic end 52, the extending strip 53 is fixedly connected to the upper end of the upper extending end 51 and matched with the snow falling groove toward the magnetic sleeve 2, the lower magnetic end 52 can be adsorbed by the magnetic attraction force generated by the electromagnet 7 to realize the sliding snow cleaning action on the tensile slide bar 4, the weight of the upper extending end 51 is lighter to ensure that the center of the snow cleaning magnetic ball 5 is deviated to improve the stability, when the snow cleaning magnetic ball 5 moves to one side of the magnetic sleeve 2 under the action of magnetic attraction, the snow in the snow falling groove is synchronously cleaned under the extension action of the extension strip 53, and then the power-on seat 9 is powered off again to avoid the problem of power consumption caused by long-time power-on.

The upper extending end 51 is made of light material, the lower magnetic end 52 is made of magnetic material, and the extending strip 53 is made of elastic material.

Referring to fig. 6, the tensile slide bar 4 includes an outer bar sleeve 41, a spacer 42, a photo-thermal layer 43 and a heat conduction layer 44, the spacer 42 is fixedly connected to the upper end of the outer bar sleeve 41, a heat generation groove is formed between the outer bar sleeve 41 and the spacer 42, the photo-thermal layer 43 and the heat conduction layer 44 are respectively connected in the heat generation groove and keep distributed up and down, the heat conduction dynamic beam 6 penetrates through the outer bar sleeve 41 and is connected with the heat conduction layer 44, the spacer 42 plays a role in protecting the photo-thermal layer 43, avoids sliding abrasion of the snow cleaning magnetic balls 5, and meets the requirement of light irradiation, the photo-thermal layer 43 can convert part of light energy into heat energy and transmit the heat energy to the heat conduction dynamic beam 6 through the heat conduction layer 44, part of the heat is used for melting snow, and part of the heat can be transmitted to the optical cable body 1 to reduce the influence of a low temperature environment on the optical cable body 1.

The outer strip casing 41 is made of a heat-insulating material, the spacer 42 is made of a smooth light-transmitting material, and the photo-thermal layer 43 is made of a black carbon-based material.

Referring to fig. 7, the heat conducting dynamic beam 6 includes an outer sheath 61, a heat conducting wire 62 and a heat conducting bag 63, the outer sheath 61 wraps the outer side of the heat conducting wire 62, the heat conducting bag 63 is connected to the end of the outer sheath 61 in an embedded manner and connected with the heat conducting wire 62, the outer sheath 61 can reduce the loss of heat to the outside in the conduction process, when the heat conducting wire 62 is transmitted to the heat conducting bag 63, due to the magnetic attraction between the heat conducting bags 63, part of heat can be smoothly conducted to the optical cable body 1, and when the electromagnet 7 applies magnetic attraction, the heat conducting dynamic beam 6 can also actively incline towards the direction of the magnetic dynamic sheath 2 to assist the snow cleaning magnetic ball 5 to clean snow, and actively reset to establish heat conducting connection after the magnetic attraction is lost.

The outer sheath 61 is made of elastic heat insulation materials, the heat conducting wires 62 are made of elastic heat conduction materials, and the heat conducting bags 63 are filled with heat conducting oil and magnetic powder.

Referring to fig. 8, the invention can not only improve the tensile resistance of the optical cable body 1, but also provide a sliding track for the snow cleaning magnetic ball 5 by alternately sleeving the magnetic sleeves 2 and the positioning sleeves 3 on the optical cable body 1 and tensioning the tensile slide bar 4 between the magnetic sleeves 2 and the positioning sleeves 3, the sensing weight 8 on the magnetic sleeve 2 sinks due to the compression of snow, and then the conductive base 9 is squeezed to trigger the power-on action, so that the electromagnets 7 at the left and right ends of the magnetic sleeve 2 generate a magnetic field to exert magnetic attraction on the snow cleaning magnetic ball 5 on the tensile slide bar 4 to force the snow cleaning magnetic ball to move, and the snow on the optical cable body 1 is cleaned by matching with the conductive thermal beam 6 in the moving process and reset after the snow is cleaned, so that the service life of the electromagnet 7 is greatly prolonged, compared with the existing overhead cable, the invention can greatly improve the safety in the windy and snowy weather, the problem of damage to the optical cable caused by pressing down of accumulated snow is not easy to occur.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a snow overhead cable is prevented to magnetic slip formula for communication, includes optical cable body (1), its characterized in that: the cable is characterized in that a plurality of magnetic sleeves (2) and a plurality of locating sleeves (3) which are uniformly distributed are fixedly sleeved on the optical cable body (1), the magnetic sleeves (2) and the locating sleeves (3) are arranged in a staggered mode, tensile sliding strips (4) which are located on the upper side of the optical cable body (1) are fixedly connected between the magnetic sleeves (2) and the locating sleeves (3), the tensile sliding strips (4) incline downwards along the direction that the magnetic sleeves (2) are close to the locating sleeves (3), snow cleaning magnetic balls (5) are slidably connected on the tensile sliding strips (4), the tensile sliding strips (4) and the optical cable body (1) are close to one end and are fixedly connected with a plurality of heat conduction sliding beams (6) which are uniformly distributed, the heat conduction sliding beams (6) which correspond to each other up and down are in contact with each other, a snow falling groove is formed in the upper end of the magnetic sleeves (2), a sensing groove is formed in the bottom wall of the snow falling groove, and a power-on the bottom end of the sensing groove is provided with a power-on base (9), perception slot opening part is installed the perception and is weighed down (8), and the perception weighs down (8) and leads to electric seat (9) and correspond from top to bottom, both ends are all inlayed and are installed electro-magnet (7) about magnetic sleeve (2), and switch on electric connection between electric seat (9) and electro-magnet (7).

2. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 1, wherein: the sensing pendant (8) comprises an upper sealing film (81) and a lower water-ejecting bag (82), the upper sealing film (81) is connected to the opening of the sensing groove, and the lower water-ejecting bag (82) is fixedly connected to the lower end of the upper sealing film (81) and keeps sealing.

3. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 2, characterized in that: the upper sealing film (81) is made of elastic waterproof materials, the lower water-ejecting bag (82) is of an inverted horn-shaped structure, and water or acetic acid solution is contained in the lower water-ejecting bag (82).

4. The magnetic slip snow protection aerial optical cable for communication according to claim 1, wherein: the power-on seat (9) comprises a fixed contact switch (91), a movable contact switch (92) and a pair of leads (93), the fixed contact switch (91) is respectively electrically connected with the electromagnet (7) through the pair of leads (93), the fixed contact switch (91) is fixedly connected to the bottom of the sensing groove, the movable contact switch (92) is slidably connected to the upper side of the fixed contact switch (91), and a plurality of elastic pull ropes are fixedly connected between the leads (93) and the side wall of the sensing groove.

5. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 1, wherein: clear snow magnetic ball (5) are including last end (51), lower magnetic end (52) and the extension strip (53) of stretching, go up end (51) fixed connection and constitute a complete spheroid in lower magnetic end (52) upper end, go up and stretch and offer between end (51) and lower magnetic end (52) with tensile draw runner (4) assorted slide opening, extension strip (53) fixed connection stretches end (51) upper end on and towards magnetic sleeve (2) and match with the groove that falls snow.

6. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 5, wherein: the upper extension end (51) is made of a light material, the lower magnetic end (52) is made of a magnetic material, and the extension strip (53) is made of an elastic material.

7. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 1, wherein: tensile draw runner (4) include outer strip cover (41), spacing block (42), light and heat layer (43) and heat-conducting layer (44), spacing block (42) fixed connection is in outer strip cover (41) upper end, heat generation groove has been seted up between outer strip cover (41) and spacing block (42), light and heat layer (43) and heat-conducting layer (44) are connected respectively in heat generation groove and keep distributing from top to bottom, heat conduction dynamic bundle (6) run through outer strip cover (41) and are connected with heat-conducting layer (44).

8. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 7, wherein: the outer strip sleeve (41) is made of a heat insulation material, the spacer (42) is made of a smooth light-transmitting material, and the light-heat layer (43) is made of a black carbon-based material.

9. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 1, wherein: the heat conduction and heat conduction bundle (6) comprises an outer sheath (61), heat conduction wires (62) and heat conduction bags (63), wherein the outer sheath (61) is wrapped on the outer sides of the heat conduction wires (62), and the heat conduction bags (63) are connected to the end parts of the outer sheath (61) in an embedded mode and connected with the heat conduction wires (62).

10. The magnetic slip snow accumulation prevention aerial optical cable for communication according to claim 9, wherein: the outer sheath (61) is made of elastic heat insulation materials, the heat conducting wires (62) are made of elastic heat conduction materials, and the heat conducting bags (63) are filled with heat conducting oil and magnetic powder.