CN216957546U - Core protection type cable - Google Patents
Core protection type cable Download PDFInfo
- Publication number
- CN216957546U CN216957546U CN202220386265.XU CN202220386265U CN216957546U CN 216957546 U CN216957546 U CN 216957546U CN 202220386265 U CN202220386265 U CN 202220386265U CN 216957546 U CN216957546 U CN 216957546U
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- CN
- China
- Prior art keywords
- core
- flame
- cable
- sheath
- retardant
- 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.)
- Expired - Fee Related
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- 239000003063 flame retardant Substances 0.000 claims abstract description 39
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 13
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 13
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 13
- 235000009120 camo Nutrition 0.000 claims abstract description 13
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 13
- 239000011487 hemp Substances 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 18
- 230000009471 action Effects 0.000 abstract description 5
- 239000004636 vulcanized rubber Substances 0.000 description 9
- 230000008595 infiltration Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 5
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a core protection type cable, which comprises a flame-retardant sheath; flame-retardant sheath: the inner arc wall of the waterproof jacket is provided with a waterproof jacket, the inner arc wall of the waterproof jacket is provided with a metal corrugated pipe, hemp rope filler is filled inside the metal corrugated pipe, an inner supporting pipe is arranged at the center inside the hemp rope filler, loose sleeves are arranged at the inner edge of the hemp rope filler at equal angles, six conductive cores in one group are arranged inside the loose sleeves, and the conductive cores in the same group are distributed at equal angles; wherein: a cavity formed by the loose tube and the conductive core is filled with rubber filler; this sinle silk protection type cable possesses good fire-retardant function and waterproof function, and can realize the limit function of bending when keeping certain bending nature to lead to electrically conductive core fracture when this cable degree of bending is too big, provide the guard action for electrically conductive core from a plurality of aspects, promote the security when this cable uses.
Description
Technical Field
The utility model relates to the technical field of power transmission, in particular to a wire core protection type cable.
Background
A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The electric wire and cable products adopted by the electric power system mainly comprise an overhead bare wire, a bus bar (bus), an electric power cable (plastic cable, oilpaper cable (basically replaced by the plastic electric power cable), a rubber sleeve cable, an overhead insulated cable), a branch cable (replacing part of the bus), an electromagnetic wire, an electric equipment wire and cable for electric power equipment and the like.
According to the difference of practical application scenes, the types of the used cables are different, and in order to ensure that the cable cores can normally carry out power transmission work, various types of sheaths need to be wrapped outside the cable cores, so that the protection of the cable cores is realized.
The conventional core protection type cable can only provide protection for the core from two aspects of flame retardance and water resistance, cannot provide protection for the conductive core from multiple aspects, and the flame retardance function or the water resistance function of most of the core protection type cables are realized only by a single phase material, so that the protection performance is not superior.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the existing defects, and provides a wire core protection type cable which has good flame retardant function and waterproof function, can realize the bending limit function while keeping certain bending property, so as to prevent the conductive core from being broken when the cable is bent to an overlarge degree, provide protection effect for the conductive core from multiple aspects, improve the safety of the cable in use and effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a core protection type cable comprises a flame-retardant sheath;
flame-retardant sheath: its inner arc wall is equipped with waterproof sheath, waterproof sheath's inner arc wall is equipped with corrugated metal pipe, corrugated metal pipe's inside packing has the rope made of hemp filler, the inside center department of rope made of hemp filler is equipped with interior stay tube, the inside edge of rope made of hemp filler is equipped with the loose sleeve pipe with angle, loose sheathed tube inside all is equipped with six electrically conductive cores that are a set of, with angular distribution such as electrically conductive core of group, possess good fire-retardant function and waterproof function, and can realize the limit function of bending when keeping certain bending nature, lead to electrically conductive core fracture when so that this cable degree of bending is too big, provide the guard action for electrically conductive core from a plurality of aspects, promote the security when this cable uses.
Furthermore, the cavity formed by the loose tube and the conductive core is filled with rubber filler, so that the influence on the power transmission effect caused by the contact between the conductive cores in the same group can be avoided.
Furthermore, the flame-retardant sheath is a polyethylene flame-retardant sheath, and the flame-retardant sheath is doped with uniformly distributed aluminum hydroxide powder, so that the flame-retardant function can be realized.
Furthermore, the waterproof sheath is a polyurethane waterproof sheath, and vulcanized rubber particles which are uniformly distributed are doped in the waterproof sheath, so that external rainwater can be effectively prevented from permeating.
Furthermore, the ABS resin reinforced core is arranged in the inner support tube, so that the cable can be bent and limited while certain bending property is kept, and the conductive core is prevented from being broken when the bending degree of the cable is too large.
Further, equal angle is equipped with the partition panel between the outer cambered surface of metal corrugated pipe's inner arc wall and interior stay tube, and the partition panel is annular interval with the loose sleeve pipe and sets up, can separate a plurality of loose sleeve pipes and restrict in current cavity to take place extrusion or winding between a plurality of loose sleeve pipes.
Furthermore, the surface of the flame-retardant sheath is provided with uniformly distributed hydrophobic grooves, so that rainwater dropping on the surface of the flame-retardant sheath can be quickly discharged, and the infiltration capacity of the rainwater is reduced.
Compared with the prior art, the utility model has the beneficial effects that: this sinle silk protection type cable has following benefit:
1. when this cable meets with the naked light, receive the influence of the high fire resistance of polyethylene material, fire-retardant sheath can effectively reduce the speed of stretching of intensity of a fire, treat that fire-retardant sheath certain damage appears and make aluminium hydroxide powder expose in the middle of the external environment after, aluminium hydroxide powder receives the high temperature influence can volatilize fast and absorb heat, can consume the oxygen in the air by a wide margin simultaneously, thereby realize fire-retardant function, and the high water proofness that polyurethane material possessed can realize the separation to outside rainwater, and when inside and vulcanized rubber grain of little part rainwater infiltration waterproof sheath with the contact, vulcanized rubber grain can expand fast and come the gap shutoff on waterproof sheath surface, and then avoid the inside infiltration of rainwater to this cable, the drain trap can make the rainwater that drips on fire-retardant sheath surface discharge fast, reduce the infiltration volume of rainwater.
2. Corrugated metal pipe can collect two kinds of functions fire-retardant and waterproof as an organic whole and come to provide further fire-retardant water proof for this cable, corrugated metal pipe and high tenacity ABS resin strengthen the core and cooperate simultaneously and can make this cable realize the limit function of bending when keeping certain bending nature, so as to avoid this cable bending degree too big time to lead to electrically conductive core fracture, the rubber filler can avoid taking place to contact and influence the power transmission effect between the electrically conductive core of same group, the partition panel then can separate and restrict a plurality of loose tube in current cavity, so as to avoid taking place extrusion or winding between a plurality of loose tube, provide guard action for electrically conductive core from a plurality of aspects, promote the security when this cable uses.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 flame-retardant sheath, 101 aluminum hydroxide powder, 2 waterproof sheath, 201 vulcanized rubber grain, 3 metal corrugated pipe, 4 hemp rope filler, 5 internal support pipe, 6 loose tube, 7 conductive core, 8 rubber filler, 9 ABS resin reinforced core, 10 partition board and 11 hydrophobic groove.
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.
Referring to fig. 1, the present embodiment provides a technical solution: a core protection type cable comprises a flame-retardant sheath 1;
flame-retardant sheath 1: its inner arc wall is equipped with waterproof sheath 2, waterproof sheath 2's inner arc wall is equipped with corrugated metal tubing 3, corrugated metal tubing 3's inside packing has rope made of hemp filler 4, rope made of hemp filler 4's inside center department is equipped with interior stay tube 5, the inside edge of rope made of hemp filler 4 is waiting the angle and is equipped with loose tube 6, loose tube 6's inside all is equipped with six and is a set of conductive core 7, with angular distribution such as conductive core 7 of group, corrugated metal tubing 3 can collect fire-retardant and waterproof two kinds of functions as an organic whole and provide further fire-retardant water proof for this cable.
Wherein: the cavity formed by the loose tube 6 and the conductive core 7 is filled with rubber filler 8, so that the influence on the power transmission effect caused by the contact between the conductive cores 7 in the same group can be avoided.
Wherein: fire-retardant sheath 1 is the fire-retardant sheath of polyethylene, the inside of fire-retardant sheath 1 is doped with evenly distributed's aluminium hydroxide powder 101, when this cable meets the naked light, receive the high fire resistance influence of polyethylene material, fire-retardant sheath 1 can effectively reduce the speed of stretching of intensity of a fire, treat that fire-retardant sheath 1 appears certain damage make aluminium hydroxide powder 101 expose in the middle of the external environment after, aluminium hydroxide powder 101 receives high temperature to influence can volatilize fast and the heat absorption, can consume the oxygen in the air by a wide margin simultaneously, thereby realize fire-retardant function.
Wherein: waterproof sheath 2 is the waterproof sheath of polyurethane, and the inside of waterproof sheath 2 is doped with evenly distributed's vulcanized rubber grain 201, can realize the separation to outside rainwater through the high water proofness that the polyurethane material possessed, and when little part rainwater infiltration waterproof sheath 2 inside with vulcanized rubber grain 201 with the contact, vulcanized rubber grain 201 can expand fast and come the gap shutoff on waterproof sheath 2 surfaces, and then avoid the rainwater to the inside infiltration of this cable.
Wherein: the ABS resin reinforced core 9 is arranged in the inner support tube 5, so that the cable can be bent and limited while certain bending property is kept, and the conductive core 7 is prevented from being broken when the bending degree of the cable is too large.
Wherein: equal angle is equipped with partition panel 10 between the interior arc wall of corrugated metal pipe 3 and the extrados of internal stay pipe 5, and partition panel 10 is the annular interval with loose sleeve 6 and sets up, can separate a plurality of loose sleeve 6 and restrict in current cavity to take place extrusion or winding between a plurality of loose sleeve 6, provide the guard action for electrically conductive core 7 from a plurality of aspects, promote the security when this cable uses.
Wherein: the surface of fire-retardant sheath 1 is seted up evenly distributed's hydrophobic groove 11, can make the rainwater that drips on fire-retardant sheath 1 surface discharge fast, reduces the infiltration capacity of rainwater.
The working principle of the core protection type cable provided by the utility model is as follows: when the cable encounters open fire, the cable is influenced by high fire resistance of a polyethylene material, the flame-retardant sheath 1 can effectively reduce the spreading speed of the fire, after the flame-retardant sheath 1 is damaged to a certain extent to expose the aluminum hydroxide powder 101 in the external environment, the aluminum hydroxide powder 101 is quickly volatilized and absorbs heat under the influence of high temperature, and meanwhile, oxygen in the air can be greatly consumed, so that the flame-retardant function is realized, the high water resistance of the polyurethane material can realize the separation of external rainwater, when a small part of rainwater permeates into the interior of the waterproof sheath 2 and contacts with the vulcanized rubber particles 201, the vulcanized rubber particles 201 can quickly expand to plug the gaps on the surface of the waterproof sheath 2, further rainwater is prevented from permeating into the cable, the rainwater dripped on the outer surface of the flame-retardant sheath 1 can be quickly discharged through the hydrophobic groove 11, the infiltration amount of the rainwater is reduced, and the metal corrugated pipe 3 can integrate the flame-retardant function and the waterproof function into a whole to provide further flame-retardant waterproof and waterproof functions for the cable Protect, corrugated metal pipe 3 cooperatees with the ABS resin of high toughness and can make this cable realize the limit function of bending when keeping certain bending nature simultaneously, lead to electrically conductive core 7 fracture when so as to avoid this cable degree of bending too big, rubber filler 8 can avoid taking place the contact and influence the power transmission effect between the electrically conductive core 7 of the same group, partition panel 10 then can separate a plurality of loose tube 6 and restrict in current cavity, take place extrusion or winding between a plurality of loose tube 6 in order to avoid, provide the guard action for electrically conductive core 7 from a plurality of aspects, promote the security when this cable uses.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A core protection type cable is characterized in that: comprises a flame-retardant sheath (1);
flame-retardant sheath (1): its inner arc wall is equipped with waterproof sheath (2), and the inner arc wall of waterproof sheath (2) is equipped with corrugated metal tubing (3), and the inside packing of corrugated metal tubing (3) has rope made of hemp filler (4), and the inside center department of rope made of hemp filler (4) is equipped with interior stay tube (5), and the inside edge of rope made of hemp filler (4) is equiangularly equipped with loose sleeve pipe (6), and the inside of loose sleeve pipe (6) all is equipped with six and is electrically conductive core (7) of a set of, and the electrically conductive core (7) of the same group equiangularly distribute.
2. The core-protected cable according to claim 1, wherein: and a cavity formed by the loose tube (6) and the conductive core (7) is filled with a rubber filler (8).
3. The core-protected cable according to claim 1, wherein: the flame-retardant sheath (1) is a polyethylene flame-retardant sheath.
4. The core-protected cable according to claim 1, wherein: the waterproof jacket (2) is a polyurethane waterproof jacket.
5. The core-protected cable according to claim 1, wherein: an ABS resin reinforced core (9) is arranged in the inner supporting tube (5).
6. The core-protected cable according to claim 1, wherein: partition plates (10) are arranged between the inner arc wall of the metal corrugated pipe (3) and the outer arc surface of the inner supporting pipe (5) at equal angles, and the partition plates (10) and the loose pipes (6) are arranged at annular intervals.
7. The core-protected cable according to claim 1, wherein: the outer surface of the flame-retardant sheath (1) is provided with uniformly distributed hydrophobic grooves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220386265.XU CN216957546U (en) | 2022-02-25 | 2022-02-25 | Core protection type cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220386265.XU CN216957546U (en) | 2022-02-25 | 2022-02-25 | Core protection type cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216957546U true CN216957546U (en) | 2022-07-12 |
Family
ID=82290832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220386265.XU Expired - Fee Related CN216957546U (en) | 2022-02-25 | 2022-02-25 | Core protection type cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216957546U (en) |
-
2022
- 2022-02-25 CN CN202220386265.XU patent/CN216957546U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |