CN214012579U - High-strength moisture-proof cable - Google Patents

Abstract

The utility model relates to a high strength dampproofing cable, relate to the cable field, it includes the wire core, still including setting up the outer tube that is used for protecting whole wire core at outmost, the wire core outside is wrapped in the outer tube and is wrapped with the insulating layer, insulating layer outer wall has first waterproof layer in the outer tube laminating, first waterproof layer outside is provided with the expanding material that absorbs water in the outer tube, be provided with a plurality of clamp plates that are arranged in will absorbing water the moisture extrusion of expanding material in the outer tube, the clamp plate possesses magnetism, the expanding material that absorbs water is provided with the collecting pipe between clamp plate and outer tube, be provided with the cavity between collecting pipe and the outer tube, the limbers with the cavity intercommunication is seted up to the collecting pipe, the insulating layer outside is provided with the driving piece that is used for driving the clamp plate extrusion to absorb water the moisture in the expanding material in the outer tube. This application has the effect that reduces steam and immerses the cable, reduces the degree that the cable is corroded, extension cable life.

Description

High-strength moisture-proof cable

Technical Field

The application relates to the field of cables, in particular to a high-strength moisture-proof cable.

Background

Typically rope-like cables, are formed by twisting several or more groups of at least two conductor cores, each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation; the cable is installed in air or underground or underwater for telecommunication or power transmission.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: due to the limitation of the installation environment, the protective layer can be corroded by water vapor, so that the water vapor enters the cable, and the service life of the cable is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high strength dampproofing cable, corrodes the problem that leads to cable life to shorten in order to improve inside the inoxidizing coating to the cable of steam immersion cable.

The application provides a dampproofing cable of high strength adopts following technical scheme:

a high-strength moisture-proof cable comprises a conductor core and an outer tube arranged at the outermost layer for protecting the whole conductor core, the outer side of the wire core is wrapped with an insulating layer in the outer tube, the outer wall of the insulating layer is wrapped with a first waterproof layer in the outer tube in a fitting manner, the first waterproof layer is externally provided with a water-absorbing expansion material in the outer pipe, the outer pipe is internally provided with a plurality of pressing plates for extruding water in the water-absorbing expansion material, the pressing plate is magnetic, the water-absorbing expansion material is provided with a collecting pipe between the pressing plate and the outer pipe, a cavity is arranged between the collecting pipe and the outer pipe, the collecting pipe is provided with a limber hole communicated with the cavity, and a driving piece for driving the pressing plate to extrude the water in the water-absorbing expansion material is arranged outside the insulating layer and inside the outer pipe.

By adopting the technical scheme, firstly the outer pipe plays a certain protection role on the whole structure, after the water-absorbing expansion material is used for a certain time, water vapor in the environment is immersed into the outer pipe, the water vapor is absorbed by the water-absorbing expansion material, the water-absorbing expansion material expands, the driving piece drives the pressing plate to extrude the water-absorbing expansion material, the pressing plate extrudes water in the water-absorbing expansion material, the water is gathered in a cavity between the collecting pipe and the outer pipe through the limber hole after being extruded, and most of the water does not further invade and corrode the inside; reduce the degree of corrosion of steam to the cable to a certain extent, effectively prolonged the life of cable.

Optionally, the driving piece sets up to induction coil, induction coil and power intercommunication, first waterproof layer outer wall cladding is provided with the barrier layer that has certain hydroscopicity, the outer cladding of barrier layer is provided with the second waterproof layer, induction coil is around locating the outer wall of second waterproof layer, the induction coil outside is provided with third waterproof layer.

By adopting the technical scheme, the induction coil generates a magnetic field after being electrified, the magnetic field has certain driving force on the pressing plate within the influence range of the magnetic field, and the pressing plate is driven to be close to the magnetic pole which is repelled with the pressing plate or to be far away from the magnetic pole which is the same as the pressing plate, so that the water-absorbing expansion material is extruded by the pressing plate; the barrier layer absorbs a small amount of water vapor passing through the water-absorbing expansion material, so that the influence of the water vapor on the internal conductor core is reduced as much as possible; and the third waterproof layer, the second waterproof layer and the first waterproof layer respectively block water vapor layer upon layer, so that the water vapor is prevented from corroding the lead core and the induction coil.

Optionally, the pressing plate comprises a first pressing plate and a second pressing plate, a first setting pipe coaxial with the wire core is arranged between the third water proofing layer and the water-absorbing expansion material in a sliding manner along the axial direction of the wire core, the end surface of the first setting pipe close to the water-absorbing expansion material is vertically and fixedly connected with a first pressing plate along the radial direction of the lead core in a linear array manner, the end surface of the water-absorbing expansion material far away from the first setting pipe is provided with a second setting pipe which is coaxial with the wire core in a sliding way along the axial direction of the wire core, the end surface of the second setting pipe close to the water-absorbing expansion material is vertically and fixedly connected with a second pressing plate along the linear array of the radius direction of the lead core, the first pressing plate and the second pressing plate are respectively set to be magnetic plates with different magnetism, and the repulsive magnetic force between the first pressing plate and the second pressing plate is smaller than the magnetic field force generated by the induction coil.

Through adopting above-mentioned technical scheme, first clamp plate and second clamp plate set up in opposite directions, and the swelling material that absorbs water sets up between first clamp plate and second clamp plate, and induction coil circular telegram produces the magnetic field, and first clamp plate and second clamp plate are close to each other under the effect of magnetic force to realize the extrusion of first clamp plate and second clamp plate to the swelling material that absorbs water, and then will absorb water the swelling and wipe the steam in the material and extrude.

Optionally, a plurality of capillary holes are formed through the second setting pipe.

By adopting the technical scheme, water extruded from the water-absorbing expansion material can flow out through the capillary holes and cannot be always retained in the water-absorbing expansion material.

Optionally, a protective layer is arranged between the third water-proofing layer and the induction coil, and the protective layer has certain elasticity.

Through adopting above-mentioned technical scheme, the inoxidizing coating plays the guard action to induction coil, and induction coil can not suffer destruction etc. and the inoxidizing coating plays certain cushioning effect to the extrusion that the external world came.

Optionally, the water through hole is connected with a first valve pipe leading to the cavity, and the first valve pipe is provided with a first one-way valve.

Through adopting above-mentioned technical scheme, the steam that first valve pipe and first check valve control were extruded can only flow to the cavity through first valve pipe, and steam can not the palirrhea.

Optionally, a water pumping hole is formed in the outer pipe at a position close to the first valve pipe in a penetrating manner, and the water pumping hole is connected with a second valve pipe leading to the outside of the outer pipe.

Through adopting above-mentioned technical scheme, operating personnel can take out the steam of the gathering in the cavity through second valve pipe, and second check valve control steam can only be taken out, can't flow backwards again.

Optionally, a plurality of first guide grooves are formed in the end surface, close to the first setting pipe, of the third water prevention layer along the axial direction of the conductor core, and a first guide block in sliding fit with the first guide grooves is fixedly connected to the end surface, close to the third water prevention layer, of the first setting pipe; the end face of the collecting pipe close to the second setting pipe is provided with a plurality of second guide grooves along the axial direction of the wire core, and the end face of the second setting pipe close to the collecting pipe is fixedly connected with a second guide block in sliding fit with the second guide grooves.

Through adopting above-mentioned technical scheme, first guide way, first guide block, second guide way and second guide block play the guide effect to the first direction of motion that sets up the pipe and the second that sets up the pipe for the moving direction of first clamp plate and second clamp plate is more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the outer pipe has a certain protection effect on the whole structure, after the outer pipe is used for a certain time, water vapor in the environment is immersed into the outer pipe, the water vapor is absorbed by the water-absorbing expansion material, the water-absorbing expansion material expands, the driving piece drives the pressing plate to extrude the water-absorbing expansion material, the pressing plate extrudes water in the water-absorbing expansion material, the water is gathered in a cavity between the collecting pipe and the outer pipe through the limber hole after being extruded, and most of the water does not further invade and corrode the inside of the collecting pipe; the corrosion degree of the water vapor to the cable is reduced to a certain degree, and the service life of the cable is effectively prolonged;

2. the induction coil generates a magnetic field after being electrified, the magnetic field has certain driving force on the pressing plate within the influence range of the magnetic field, and the pressing plate is driven to be close to the magnetic pole which is repelled with the pressing plate or to be far away from the magnetic pole which is the same as the pressing plate, so that the water-absorbing expansion material is extruded by the pressing plate; the barrier layer absorbs a small amount of water vapor passing through the water-absorbing expansion material, so that the influence of the water vapor on the internal conductor core is reduced as much as possible; the third waterproof layer, the second waterproof layer and the first waterproof layer respectively block water vapor layer by layer, so that the water vapor is prevented from corroding the lead core and the induction coil;

3. the first pressing plate and the second pressing plate are arranged in opposite directions, the water-absorbing expansion material is arranged between the first pressing plate and the second pressing plate, the induction coil is electrified to generate a magnetic field, and the first pressing plate and the second pressing plate are close to each other under the action of magnetic force, so that the first pressing plate and the second pressing plate can extrude the water-absorbing expansion material, and water vapor in the water-absorbing expansion wiping material is extruded.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a front view structure of an embodiment of the present application;

fig. 3 is a schematic sectional view taken along line a-a of fig. 1.

Reference numerals: 1. a wire core; 2. an insulating layer; 3. a first waterproof layer; 4. a barrier layer; 5. a second waterproof layer; 6. an induction coil; 7. a protective layer; 8. a third water layer; 9. a water-swellable material; 10. a first platen; 11. a second platen; 12. a collection pipe; 14. an outer tube; 15. a first valve tube; 16. a second valve tube; 17. a first setting pipe; 18. a second setting pipe; 19. a first guide groove; 20. a second guide groove; 21. a first guide block; 22. a second guide block; 23. a cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses high strength dampproofing cable. Referring to fig. 1 and 2, high strength moisture proof cable includes wire core 1, still including setting up at outmost and wire core 1 coaxial outer tube 14, the laminating cladding of 1 outer wall of wire core has insulating layer 2, the laminating cladding of 2 outer walls of insulating layer has first waterproof layer 3, the laminating cladding of 3 outer walls of first waterproof layer has barrier layer 4, the laminating cladding of 4 outer walls of barrier layer has second waterproof layer 5, be provided with water-absorbing expansion material 9 between 5 outer walls of second waterproof layer and the 14 inner walls of outer tube, be provided with a plurality of clamp plates that are arranged in with the moisture extrusion of water-absorbing expansion material 9 between second waterproof layer 5 and the outer tube 14, be provided with between second waterproof layer 5 and the outer tube 14 and be used for driving the clamp plate to carry out extruded driving piece.

The invasion of second waterproof layer 5 and first waterproof layer 3 to steam is protected, avoids steam to dip wire core 1 as far as possible, and the expanding material 9 that absorbs water then absorbs steam, prevents the erosion of a large amount of steam, and the moisture that the driving piece drove the clamp plate will absorb water among the expanding material 9 extrudees out, and it is too much to prevent the moisture absorption gathering among the expanding material 9 that absorbs water, guarantees the good water absorption performance of expanding material 9 that absorbs water, improves the water absorption performance of expanding material 9 that absorbs water.

Referring to fig. 2 and 3, the driving piece includes around locating the induction coil 6 that 5 outer walls of second waterproof layer and power are connected, induction coil 6 keeps away from 5 laminating claddings of second waterproof layer and has inoxidizing coating 7, inoxidizing coating 7 possesses certain elasticity, the outer wall laminating cladding of inoxidizing coating 7 has third water layer 8, it fills between third water layer 8 and outer tube 14 to absorb water expanding material 9, the outer wall cladding that the water expanding material 9 kept away from third water layer 8 that absorbs water has collection pipe 12 coaxial with wire core 1, there is certain distance vacuole formation 23 between collection pipe 12 and the outer tube 14, cavity 23 is the annular, run through on the collection pipe 12 and seted up a plurality of limbers, set up a plurality of limbers leading to in the cavity 23 on the collection pipe 12, a plurality of limbers set up along 1 equidistance interval of wire core on collection pipe 12.

Referring to fig. 2 and 3, a plurality of pressing plates for extruding moisture in the water-absorbing and expanding material 9 are arranged between the third water-proofing layer 8 and the collecting pipe 12, the pressing plates have magnetism, the pressing plates of the present embodiment include a first pressing plate 10 and a second pressing plate 11, the water-absorbing and expanding material 9 is filled between the first pressing plate 10 and the second pressing plate 11, the outer wall of the third water-proofing layer 8 is slidably connected with a first setting pipe 17, the first setting pipe 17 is arranged as a circular ring coaxial with the conductor core 1 and sleeved on the outer wall of the third water-proofing layer 8, the first pressing plate 10 is fixedly connected with the first setting pipe 17 along the axial direction of the conductor core 1 at equal intervals along the radial direction of the conductor core 1, the end face of the first setting pipe 17 close to the third water-proofing layer 8 is fixedly connected with a plurality of first guide blocks 21 along the axial direction of the conductor core 1, the first guide blocks 21 of the present embodiment are four, the outer wall of the third water-proofing layer 8 close to the first setting pipe 17 is provided with four first guide grooves 19 in sliding fit with the first guide blocks 21, the first guide grooves 19 are distributed along the circumference of the outer wall of the third waterproof layer 8 in an array manner; end face sliding connection that outer tube 14 was kept away from to collecting pipe 12 has the second to set up a pipe 18, the second sets up pipe 18 and sets up to 1 coaxial ring with the wire core, second clamp plate 11 sets up on the second sets up the terminal surface that pipe 18 is close to first clamp plate 10 along the linear equidistance rigid coupling of 1 direction of radius of wire core, the second sets up the terminal surface that pipe 18 kept away from second clamp plate 11 and has a plurality of second guide blocks 22 along 1 axial rigid couplings of wire core, second guide block 22 is provided with four in this application embodiment, collecting pipe 12 is close to the second and sets up the lateral wall of pipe 18 and offers four second guide ways 20 with the sliding adaptation of second guide block 22, four second guide ways 20 are along collecting pipe 12 outer wall circumference array distribution.

Referring to fig. 1 and 2, a first pressing plate 10 and a second pressing plate 11 are adjacently arranged at intervals, the first pressing plate 10 and the second pressing plate 11 are arranged to be magnetic plates with different magnetism, and the first pressing plate 10 and the second pressing plate 11 are close to each other in a magnetic field generated after the induction coil 6 is electrified; the second setting pipe 18 is provided with a plurality of capillary holes in a penetrating manner, the collecting pipe 12 is provided with a plurality of water through holes leading to the cavity 23, the water through holes are arranged on the collecting pipe 12 at intervals along the wire core 1 at equal intervals, the collecting pipe 12 is fixedly connected with a first valve pipe 15 at the water through holes, a first check valve is arranged in the first valve pipe 15, the outer pipe 14 is also provided with a plurality of water pumping holes, the water pumping holes are arranged at equal intervals along the axial direction of the wire core 1, and the outer pipe 14 is fixedly connected with a second valve pipe 16 at the water pumping holes.

The protective layer 7 has a certain protection effect on the induction coil 6, the induction coil 6 is prevented from being extruded and deformed by external collision, the third waterproof layer 8 has a certain waterproof protection effect on the induction coil 6, water vapor is prevented from corroding the induction coil 6, the service life of the induction coil 6 is prolonged, the cavity 23 is used for collecting water extruded from the water-absorbing expansion material 9, and water in the water-absorbing expansion material 9 can uniformly flow into the cavity 23 due to the plurality of water through holes; after the induction coil 6 is electrified, a magnetic field is generated, the first pressing plate 10 and the second pressing plate 11 approach to each other under the action of the magnetic field force, so that moisture in the water-absorbing expansion material 9 is extruded out, the moisture enters the cavity 23 through the capillary holes and the limber holes, after the moisture is gathered in the cavity 23, an operator extracts the moisture in the cavity 23 through the second valve pipe 16 at the water pumping hole, and the drying in the cavity 23 is further kept; the first guide groove 19, the first guide block 21, the second guide groove 20 and the second guide block 22 respectively play a certain guiding role for the first setting pipe 17 and the second setting pipe 18, so that the first pressing plate 10 and the second pressing plate 11 are close to each other along the axial direction of the wire core 1 to extrude the water-absorbent swelling material 9.

The implementation principle of this application embodiment a dampproofing cable of high strength does: in the process that vapour invades wire core 1, at first steam can be absorbed by the swelling material 9 that absorbs water, the swelling material 9 that absorbs water can rise, after 6 circular telegrams induction coil, induction coil 6 can produce magnetic field, first clamp plate 10 and second clamp plate 11 are close to each other under the effect of magnetic field power, and then the moisture that absorbs water in the swelling material 9 is absorbed in the extrusion, moisture is extruded and is flowed into cavity 23 through capillary hole and limbers and collects, collect a certain amount of back, the moisture of operating personnel gathering in with cavity 23 through second valve pipe 16 of suction hole department extracts, keep the inside drying of cavity 23.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A high strength moisture resistant cable comprising a conductor core (1), characterized in that: the wire core structure is characterized by further comprising an outer tube (14) arranged on the outermost layer and used for protecting the whole wire core (1), wherein an insulating layer (2) is coated on the outer side of the wire core (1) in the outer tube (14), a first waterproof layer (3) is coated on the outer wall of the insulating layer (2) in the outer tube (14) in an attaching mode, a water absorbing expansion material (9) is arranged outside the first waterproof layer (3) in the outer tube (14), a plurality of pressing plates used for extruding moisture in the water absorbing expansion material (9) are arranged in the outer tube (14), the pressing plates are magnetic, a collecting tube (12) is arranged between the pressing plates and the outer tube (14) and used for the water absorbing expansion material (9), a cavity (23) is arranged between the collecting tube (12) and the outer tube (14), and a water through hole communicated with the cavity (23) is formed in the collecting tube (12), and a driving piece for driving the pressing plate to extrude moisture in the water absorption expansion material (9) is arranged outside the insulating layer (2) and inside the outer pipe (14).

2. A high strength moisture resistant cable as recited in claim 1, wherein: the driving piece is set up to induction coil (6), induction coil (6) and power intercommunication, first waterproof layer (3) outer wall cladding is provided with barrier layer (4) that have certain hydroscopicity, the outer cladding of barrier layer (4) is provided with second waterproof layer (5), induction coil (6) are around locating the outer wall of second waterproof layer (5), induction coil (6) outside is provided with third prevention water layer (8).

3. A high strength moisture resistant cable as recited in claim 2, wherein: the pressing plate comprises a first pressing plate (10) and a second pressing plate (11), a third water proofing layer (8) and a water absorbing and expanding material (9) are arranged between the first pressing plate and the second pressing plate (11) in a sliding mode along the axial direction of the wire core (1) and are provided with a first setting pipe (17) coaxial with the wire core (1), the first setting pipe (17) is close to the end face of the water absorbing and expanding material (9) and is fixedly connected with the first pressing plate (10) along the radial direction linear array of the wire core (1), the water absorbing and expanding material (9) is far away from the end face of the first setting pipe (17) and is provided with a second setting pipe (18) coaxial with the wire core (1) in a sliding mode along the axial direction of the wire core (1), the second setting pipe (18) is close to the end face of the water absorbing and expanding material (9) and is fixedly connected with the second pressing plate (11) along the radial direction linear array of the wire core (1), the first pressing plate (10) and the second pressing plate (11) are respectively set to be magnetic plates with different magnetism, and the repulsive magnetic force between the first pressing plate (10) and the second pressing plate (11) is smaller than the magnetic field force generated by the induction coil (6).

4. A high strength moisture resistant cable as recited in claim 3, wherein: the second setting pipe (18) is provided with a plurality of capillary holes in a penetrating way.

5. A high strength moisture resistant cable as recited in claim 2, wherein: a protective layer (7) is arranged between the third water-proof layer (8) and the induction coil (6), and the protective layer (7) has certain elasticity.

6. A high strength moisture resistant cable as claimed in claim 4, wherein: the water through hole is connected with a first valve pipe (15) leading to the cavity (23), and a first one-way valve is arranged on the first valve pipe (15).

7. A high strength moisture resistant cable as claimed in claim 6, wherein: the outer pipe (14) is provided with a water pumping hole in a position close to the first valve pipe (15) in a penetrating mode, and the water pumping hole is connected with a second valve pipe (16) leading to the outside of the outer pipe (14).

8. A high strength moisture resistant cable as recited in claim 7, wherein: a plurality of first guide grooves (19) are formed in the end face, close to the first arrangement pipe (17), of the third water prevention layer (8) along the axial direction of the wire core (1), and a first guide block (21) in sliding fit with the first guide grooves (19) is fixedly connected to the end face, close to the third water prevention layer (8), of the first arrangement pipe (17); the end face, close to the second setting pipe (18), of the collecting pipe (12) is provided with a plurality of second guide grooves (20) along the axial direction of the lead core (1), and the end face, close to the collecting pipe (12), of the second setting pipe (18) is fixedly connected with a second guide block (22) in sliding fit with the second guide grooves (20).

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