CN220155232U - Special cable for preventing mice and termites - Google Patents
Special cable for preventing mice and termites Download PDFInfo
- Publication number
- CN220155232U CN220155232U CN202321701186.4U CN202321701186U CN220155232U CN 220155232 U CN220155232 U CN 220155232U CN 202321701186 U CN202321701186 U CN 202321701186U CN 220155232 U CN220155232 U CN 220155232U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- protective layer
- termites
- shielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 241000256602 Isoptera Species 0.000 title claims abstract description 18
- 241000699670 Mus sp. Species 0.000 title claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 67
- 239000011241 protective layer Substances 0.000 claims abstract description 44
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 229920000728 polyester Polymers 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 3
- 238000005187 foaming Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 229940079593 drug Drugs 0.000 claims description 12
- 239000003814 drug Substances 0.000 claims description 12
- 238000009954 braiding Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005452 bending Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241000700159 Rattus Species 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000003128 rodenticide Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the field of wires and cables, and provides a special cable for preventing mice and termites, which comprises cable conductors, wherein each cable conductor consists of a plurality of stranded conductor cores and an inner insulating layer extruded outside the conductor cores, and a polyester tape layer is wrapped around the cable cores which are stranded into circular sections; the first protection layer is arranged outside the cable conductor and wound on the surface of the polyester tape layer, and is processed into a corrugated pipe shape by adopting a steel belt; a shielding layer; the second protective layer is formed by the silica gel protective layer and is arranged outside the shielding layer; the outer protective layer is formed by processing a steel belt into a corrugated pipe shape and sleeved outside the second protective layer. The special cable for preventing mice and termites can provide good effects of preventing mice and termites, is not affected by bending, and is convenient to produce and manufacture in the whole structure.
Description
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a special cable for preventing mice and termites.
Background
With the development of aerial cable routes such as power and communication to underground, the characteristics of dark and moist paving environments, such as soil floors, cable trenches, cable pipes and the like, are more vulnerable to attack by rats and termites.
With the expansion of urban construction scale and the perfection of supporting facilities such as airports, railways, hospitals and the like, the capacity of the cable used is larger and larger, the intensification degree is high, and once the cable is destroyed, large-area power failure, misoperation control, traffic jam, communication interruption and the like are caused to accidents, which is an unexpected result.
Therefore, in the design of electric wires and cables, high standards are put forward on special requirements of waterproof, dampproof and rat-proof of the cables, especially in the design of the cables exported to southeast Asia and other places and in the coverage areas of eastern coasts and southern electric grids in China, high requirements are put forward on the rat-proof and termite-proof performances of the cables, and in the past, the mode of arranging insect-proof drugs or pesticide on the outer sheath or the outer layer of the cables is easy to cause drug loss due to the external environment and the service time, and meanwhile, the rat-proof and termite-proof effects are lost under the condition that the outer layer is damaged, and in addition, the design of single-layer steel belts reduces the protection effect or completely fails.
Disclosure of Invention
In order to overcome the defects or shortcomings of the prior art, a first aspect of the present utility model provides a special cable for preventing mice and termites, comprising:
the cable conductor consists of a plurality of twisted conductor cores and an inner insulating layer extruded outside the conductor cores, and is wrapped with a polyester tape layer after being twisted into a cable core with a circular section;
the first protection layer is arranged outside the cable conductor and wound on the surface of the polyester tape layer, and is processed into a corrugated pipe shape by adopting a steel belt;
the shielding layer is formed by winding shielding wires on the outer surface of the first protective layer in a threaded manner;
the second protective layer is a silica gel protective layer and is arranged outside the shielding layer;
the outer protective layer is formed by processing a steel belt into a corrugated pipe shape and sleeved outside the second protective layer.
As an alternative embodiment, a filler rope is arranged between the cable conductors in the first protective layer.
As an alternative embodiment, the filling cord is a PP filling cord soaked with a rat and termite proof agent.
As an alternative embodiment, the shielding wire is a metal wire with a wire diameter lower than 0.5mm, and the shielding layer is formed by braiding and winding a layer on the surface of the first protective layer, wherein the braiding density is more than 85%.
As an alternative embodiment, the outer surface of the shielding layer is coated with a fire-resistant insulating layer.
As an alternative embodiment, the fire-resistant insulating layer is an inorganic insulating particle layer.
As an alternative embodiment, a foaming material layer is filled between the outer protective layer and the second protective layer.
As an alternative embodiment, the foaming material layer is a silica gel foaming layer, and commercial rat-proof termite-proof drug particles are dispersed in the gaps inside the foaming material layer.
As an alternative embodiment mode, the filling ropes and medicines used in the foaming material layers are different in types, so that the synergistic and complementary effects among different rat-proof and termite-proof medicines are realized, and the protection effect is improved.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The special cable for preventing mice and termites provided by the utility model is provided with the first protective layer and the second protective layer, so that the cable is not damaged even if being gnawed, and compared with a common steel belt protective structure, the cable is less susceptible to bending, and the whole structure is convenient for production;
(2) The rat-proof termite-proof special cable has the advantages that the rat-proof termite-proof special cable is provided with the rat-proof termite-proof drug at a plurality of parts, meanwhile, different drug types are adopted, the rat-proof termite-proof effect is fully guaranteed, the corrugated tubular protective layer wound outside the shielding layer wave and the external steel belt protective layer are combined, the protection effect is guaranteed, the bending of the whole cable is not influenced, and the foaming material can still play a role in protection when the outer protective layer is damaged.
Drawings
Fig. 1 is a schematic structural view of the special cable for preventing mice and termites.
The meaning of the various figures in the drawing is as follows:
1 cable conductor, 2 first protective layer, 3 shielding layer, 4 second protective layer, 5 outer protective layer, 6 foaming material layer, 7 fire prevention insulating layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The special cable for preventing mice and termites in combination with the embodiment of fig. 1 comprises a cable conductor 1 which is formed by tin-plated copper conductors. The figure shows a schematic representation of a single cable conductor 1, which is wrapped with a layer of polyester tape, with a thickness of 0.3-0.5mm.
It will be appreciated that a plurality of cable conductors may be arranged such that after twisting into a cable core of circular cross section, a layer of polyester tape is wrapped with a thickness of 0.3-0.5mm.
Wherein each cable conductor 1 is composed of a plurality of twisted conductor cores (e.g., tin-plated copper conductors) and an inner insulating layer extruded outside the plurality of conductor cores.
Referring to fig. 1, a first protective layer 2 is disposed outside the cable conductor 1 and wound around the surface of the polyester tape layer, and the first protective layer 2 is formed in a bellows shape using a steel tape.
As an alternative embodiment, a filler rope is arranged between the cable conductors 1 in the first protective layer 2. Wherein the filling rope is a PP filling rope soaked by the rat and termite preventing agent.
Referring to fig. 1, a shield wire is screw-wound around the outer surface of a first protective layer 2 to form a shield layer 3.
As an alternative embodiment, the shielding wire is a metal wire with a wire diameter lower than 0.5mm, and the shielding layer is formed by braiding and winding a layer on the surface of the first protective layer, wherein the braiding density is more than 85%.
Referring to fig. 1, a second protective layer 4 is disposed outside the shielding layer 3, and the second protective layer 4 is a silica gel protective layer.
As in the example shown in fig. 1, the outer surface of the shielding layer 3 is coated with a fire-resistant insulating layer 7 and then a protective layer of silicone rubber is extruded. The fireproof heat-insulating layer 7 is an inorganic heat-insulating particle layer and is positioned at the interface position of the surface of the shielding layer and the silica gel protective layer.
Referring to fig. 1, an outer protective layer 5 is provided on the outermost layer of the cable, and a steel belt is used and processed into a bellows shape, and is sleeved outside the second protective layer 4.
As an alternative example, a layer 6 of foaming material is filled between the outer protective layer 5 and the second protective layer 4. Particularly preferably, the foaming material layer 6 is a silica gel foaming layer, and the commercial rat-proof termite-proof drug particles are dispersed and distributed in the gaps inside the foaming material layer.
As an alternative embodiment mode, the filling ropes and the medicines used in the foaming material layers are different in types, for example, rodenticide and termite-controlling medicines of Bayer, basf and other companies are selected, so that the synergistic and complementary effects among different rodenticide-termite-controlling medicines are realized, the protection effect is improved, and meanwhile, the problem of drug resistance is avoided.
In the embodiment of the utility model, the first protection layer 2 is made of a steel belt material and is processed into a corrugated pipe shape, so that a good rat and termite bite prevention effect can be achieved, and meanwhile, the corrugated pipe shape can ensure that bending of the whole cable is not affected.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. A rat-proof termite-proof specialty cable comprising:
the cable conductor (1) is formed by a plurality of stranded conductor cores and an inner insulating layer extruded outside the conductor cores, and the plurality of cable conductors (1) are stranded into a cable core with a circular section and then are wrapped with a layer of polyester tape layer;
the first protection layer (2) is arranged outside the cable conductor (1) and wound on the surface of the polyester tape layer, and the first protection layer (2) adopts a steel belt and is processed into a corrugated pipe shape;
the shielding layer (3) is formed by winding shielding wires on the outer surface of the first protective layer (2) in a threaded manner;
the second protective layer (4) is a silica gel protective layer and is arranged outside the shielding layer (3);
and the outer protective layer (5) is formed by processing a steel belt into a corrugated pipe shape, and is sleeved outside the second protective layer (4).
2. The special cable as claimed in claim 1, characterized in that a filling rope is arranged between the cable conductors (1) in the first protective layer (2).
3. The special cable of claim 2, wherein the filler rope is PP filler rope soaked with a rat and termite proof agent.
4. The special cable for preventing mice and termites according to claim 1, wherein the shielding wire is a metal wire with a wire diameter lower than 0.5mm, and the shielding layer is formed by braiding and winding a layer on the surface of the first protective layer, and the braiding density is more than 85%.
5. The special cable as claimed in claim 1, characterized in that the outer surface of the shielding layer (3) is coated with a fire-proof and heat-insulating layer (7).
6. The special cable as claimed in claim 5, wherein the fireproof insulation layer (7) is an inorganic insulation particle layer.
7. The special cable as claimed in claim 1, characterized in that a layer of foaming material (6) is filled between the outer protective layer (5) and the second protective layer (4).
8. The special cable for preventing mice and termites according to claim 7, wherein the foaming material layer (6) is a silica gel foaming layer, and commercial drug particles for preventing mice and termites are dispersed in gaps inside the foaming material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321701186.4U CN220155232U (en) | 2023-06-30 | 2023-06-30 | Special cable for preventing mice and termites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321701186.4U CN220155232U (en) | 2023-06-30 | 2023-06-30 | Special cable for preventing mice and termites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155232U true CN220155232U (en) | 2023-12-08 |
Family
ID=89018730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321701186.4U Active CN220155232U (en) | 2023-06-30 | 2023-06-30 | Special cable for preventing mice and termites |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220155232U (en) |
-
2023
- 2023-06-30 CN CN202321701186.4U patent/CN220155232U/en active Active
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| GR01 | Patent grant |