CN114360791A - High resistance to compression power cable - Google Patents
High resistance to compression power cable Download PDFInfo
- Publication number
- CN114360791A CN114360791A CN202210106849.1A CN202210106849A CN114360791A CN 114360791 A CN114360791 A CN 114360791A CN 202210106849 A CN202210106849 A CN 202210106849A CN 114360791 A CN114360791 A CN 114360791A
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- Prior art keywords
- ring
- power cable
- waterproof layer
- cable
- roof
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- 230000006835 compression Effects 0.000 title claims description 6
- 238000007906 compression Methods 0.000 title claims description 6
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 229920001973 fluoroelastomer Polymers 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 5
- 239000011550 stock solution Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Aiming at the problems that the existing cable structure needs to be changed greatly in the production process of the existing dilatancy non-Newtonian fluid cable, or the production cost is high and the winding and transportation are inconvenient due to the adoption of a special new material, the invention solves the problems of high production cost, inconvenient transportation and installation when the dilatancy non-Newtonian fluid is arranged in the cable by improving the internal structure design of the cable.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a high-voltage-resistance power cable.
Background
Cables are generally made up of several or groups of conductors, each group of conductors being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering, the cable having internal current carrying, external insulation characteristics.
Based on the characteristic that the dilatancy non-Newtonian fluid becomes very hard when encountering a very large instant impact force, the dilatancy non-Newtonian fluid is arranged in a plurality of cables to improve the impact resistance of the cables, so that the internal cable core can be effectively protected.
The following problems exist in the actual production and use: the expansion-plasticity non-Newtonian fluid has stronger fluidity in a normal state, so that the expansion-plasticity non-Newtonian fluid is not easy to arrange in a cable in the production process, the existing cable structure needs to be greatly changed, or a special new material is adopted to wrap the expansion-plasticity non-Newtonian fluid, so that the production cost is increased; the bending radius of the cable can be increased, the cable is inconvenient to roll and transport, and fluid can flow out when the cable needs to be cut off in installation, so that the installation is also very inconvenient.
Therefore, the impact-resistant cable containing the dilatancy non-Newtonian fluid is designed, and the problems can be avoided, so that the impact-resistant cable is of great significance.
Disclosure of Invention
In order to meet the requirements, the invention provides the high-compression-resistance power cable, and the problems of high production cost and inconvenience in transportation and installation due to the fact that the dilatant non-Newtonian fluid is arranged in the cable are solved through improvement of the internal structure design of the cable.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-pressure-resistance power cable comprises a cable core, wherein the cable core consists of a plurality of conducting wires, a waterproof layer A is arranged outside the cable core, a plurality of lantern rings are sleeved outside the waterproof layer A, intervals are arranged between the lantern rings, the lantern rings are of a hollow structure, a liquid storage bag made of a thermal shrinkage material is arranged in each lantern ring, a dilatancy non-Newtonian fluid is arranged in each liquid storage bag, a one-way valve is arranged on each liquid storage bag, and a liquid outlet end of each one-way valve penetrates out of each lantern ring;
be equipped with a plurality of partition strips between the lantern ring, the lantern ring is equipped with the heater block outward, the lantern ring is equipped with waterproof layer B outward, and partition strip is connected with waterproof layer B, waterproof layer B is equipped with the insulating layer outward, the insulating layer is equipped with the restrictive coating outward.
Preferably, the material of the liquid storage bag is heat-shrinkable radiation cross-linked polyolefin, heat-shrinkable polyvinyl chloride or heat-shrinkable polypropylene.
Preferably, the dilatancy non-Newtonian fluid is any one of a Taibai powder solution, a mud powder solution or a water-coal powder solution.
Preferably, the structure of the check valve is as follows: the valve comprises a valve body, be equipped with the collar in the valve body, the center of collar is the mounting hole, be equipped with the inserted bar in the mounting hole, the one end of inserted bar is equipped with the roof, and the cover has the spring on the inserted bar between roof and the collar, keeps off the ring in the valve body of roof one side, keeps off and is equipped with the through-hole on the ring, and the roof contacts with keeping off the ring under the effect of spring, will keep off that the through-hole covers on the ring, is equipped with the rubber layer on the face of roof and fender ring contact, is equipped with the drain pipe on the valve body side between roof and the fender ring.
Preferably, the heating part is a heating resistance wire, and the reinforcing ring is provided with a groove corresponding to the heating resistance wire.
Preferably, the waterproof layer A and the waterproof layer B are made of high-temperature vulcanized silicone rubber, polyimide or fluororubber.
Preferably, the material of the heat insulation layer is any one of glass fiber, high silica fiber or aluminum silicate fiber.
Preferably, the material of the sheath layer is polyurethane or ethylene propylene diene monomer.
Preferably, the liquid storage bag extrudes the dilatant non-Newtonian fluid only when the heated temperature is not lower than 60 ℃.
Under the state of not laying, the non-Newtonian fluid of plastic expansion is located the stock solution bag in the lantern ring, can not influence the normal production of cable, and the lantern ring interval sets up, makes the cable have better compliance, convenient transportation and laying.
After the cable is laid to the predetermined position, seal cable both ends, insert heating device with heating resistor silk, heat the lantern ring, the stock solution bag that pyrocondensation material made is heated the shrink, and then the non-Newtonian fluid of the plasticity of expanding in the compression stock solution bag, squeezes open the check valve, extrudes the partition layer between the lantern ring with the non-Newtonian fluid of plasticity of expanding, and the check valve makes the non-Newtonian fluid of plasticity of expanding not can not flow back in the lantern ring.
The lantern ring is not only used for arranging the dilatancy nature non-Newtonian fluid, still plays the increase cable structure intensity, plays the effect of resistance to compression, forms dual protection with the dilatancy nature non-Newtonian fluid.
The thermal-insulating layer can prevent the high temperature in the cable extrusion process from triggering the thermal shrinkage material.
The surface of the outer sheath can be provided with marks, so that the surface provided with the swelling plastic non-Newtonian fluid faces upwards to resist impact.
The invention has the beneficial effects that: through the improvement of the internal structure design of the cable, the production, storage and installation of the compression-resistant and impact-resistant cable containing the dilatancy non-Newtonian fluid can be carried out according to the existing mature process, and the expensive new material is not required to be used, so that the production cost of the cable is reduced.
Drawings
The invention is further illustrated by the following figures and examples
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic structural view of the reinforcement ring.
FIG. 4 is a schematic view of the structure of the reinforcement ring after heating.
Fig. 5 is a schematic view of the structure of the check valve in example 2.
In the figure: 1. the device comprises a lead, 2 parts of a waterproof layer A, 3 parts of a reinforcing ring, 4 parts of a waterproof layer B, 5 parts of a heating component, 6 parts of a one-way valve, 6.1 parts of a valve body, 6.2 parts of a mounting ring, 6.3 parts of a spring, 6.4 parts of a top plate, 6.5 parts of a baffle ring, 6.6 parts of an inserted rod, 6.7 parts of a rubber layer, 6.8 parts of a liquid outlet pipe, 7 parts of a heat insulation layer, 8 parts of a sheath layer, 9 parts of a partition strip, 10 parts of a liquid storage bag and 11 parts of a dilatancy non-Newtonian fluid.
Detailed Description
Example 1
Fig. 1 to 4 show a high voltage-resistant power cable, wherein: 1. the device comprises a lead, 2 parts of a waterproof layer A, 3 parts of a reinforcing ring, 4 parts of a waterproof layer B, 5 parts of a heating component, 6 parts of a one-way valve, 7 parts of a heat insulation layer, 8 parts of a sheath layer, 9 parts of a partition strip, 10 parts of a liquid storage bag and 11 parts of a swelling plasticity non-Newtonian fluid.
The cable comprises a cable core, wherein the cable core is composed of a plurality of conducting wires, a waterproof layer A is arranged outside the cable core, a plurality of lantern rings are sleeved outside the waterproof layer A, intervals are arranged between the lantern rings, the lantern rings are of hollow structures, a liquid storage bag made of thermal shrinkage materials is arranged in the lantern rings, a non-Newtonian expansive plastic fluid is arranged in the liquid storage bag, a one-way valve is arranged on the liquid storage bag, and a liquid outlet end of the one-way valve penetrates out of the lantern rings;
be equipped with a plurality of partition strips between the lantern ring, the lantern ring is equipped with the heater block outward, the lantern ring is equipped with waterproof layer B outward, and partition strip passes through the waterproof glue with waterproof layer B and is connected, waterproof layer B is equipped with the insulating layer outward, the insulating layer is equipped with the restrictive coating outward.
In this embodiment, the material of the reservoir bag is heat shrinkable radiation crosslinked polyolefin.
In this example, the dilatant non-newtonian fluid is a solution of taibai powder.
In this example, the heating member is a heating resistance wire, and the reinforcing ring is provided with a groove corresponding to the heating resistance wire.
In this example, the waterproof layer a and the waterproof layer B are made of high temperature vulcanized silicone rubber, polyimide or fluororubber.
In this example, the thermal insulation layer is made of glass fiber.
In this example, the sheath layer is made of polyurethane.
In this example, the liquid storage bag extrudes the dilatant non-newtonian fluid only when the heated temperature is not less than 70 ℃.
Example 2
Fig. 1 to 5 show a high voltage-resistant power cable, in which: 1. the device comprises a lead, 2 parts of a waterproof layer A, 3 parts of a reinforcing ring, 4 parts of a waterproof layer B, 5 parts of a heating component, 6 parts of a one-way valve, 6.1 parts of a valve body, 6.2 parts of a mounting ring, 6.3 parts of a spring, 6.4 parts of a top plate, 6.5 parts of a baffle ring, 6.6 parts of an inserted rod, 6.7 parts of a rubber layer, 6.8 parts of a liquid outlet pipe, 7 parts of a heat insulation layer, 8 parts of a sheath layer, 9 parts of a partition strip, 10 parts of a liquid storage bag and 11 parts of a dilatancy non-Newtonian fluid.
The cable comprises a cable core, wherein the cable core is composed of a plurality of conducting wires, a waterproof layer A is arranged outside the cable core, a plurality of lantern rings are sleeved outside the waterproof layer A, intervals are arranged between the lantern rings, the lantern rings are of hollow structures, a liquid storage bag made of thermal shrinkage materials is arranged in the lantern rings, a non-Newtonian expansive plastic fluid is arranged in the liquid storage bag, a one-way valve is arranged on the liquid storage bag, and a liquid outlet end of the one-way valve penetrates out of the lantern rings;
be equipped with a plurality of partition strips between the lantern ring, the lantern ring is equipped with the heater block outward, the lantern ring is equipped with waterproof layer B outward, and partition strip passes through the waterproof glue with waterproof layer B and is connected, waterproof layer B is equipped with the insulating layer outward, the insulating layer is equipped with the restrictive coating outward.
In this embodiment, the material of the reservoir bag is heat shrinkable radiation crosslinked polyolefin.
In this example, the dilatancy non-Newtonian fluid is a solution of water and coal fines.
In this example, the structure of the check valve is: the valve comprises a valve body, be equipped with the collar in the valve body, the center of collar is the mounting hole, be equipped with the inserted bar in the mounting hole, the one end of inserted bar is equipped with the roof, and the cover has the spring on the inserted bar between roof and the collar, keeps off the ring in the valve body of roof one side, keeps off and is equipped with the through-hole on the ring, and the roof contacts with keeping off the ring under the effect of spring, will keep off that the through-hole covers on the ring, is equipped with the rubber layer on the face of roof and fender ring contact, is equipped with the drain pipe on the valve body side between roof and the fender ring.
In this example, the heating member is a heating resistance wire, and the reinforcing ring is provided with a groove corresponding to the heating resistance wire.
In this example, the waterproof layer a and the waterproof layer B are made of fluororubber.
In this example, the material of the thermal insulation layer is aluminum silicate fiber.
In this example, the sheath layer is made of polyurethane.
In this example, the liquid storage bag extrudes the dilatant non-newtonian fluid only when the heated temperature is not less than 60 ℃.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high resistance to compression power cable, includes the cable core, the cable core comprises a plurality of wires, characterized by: the cable core is externally provided with a waterproof layer A, a plurality of lantern rings are sleeved outside the waterproof layer A, intervals are arranged among the lantern rings, the lantern rings are of a hollow structure, a liquid storage bag made of a thermal shrinkage material is arranged in the lantern rings, a swelling plastic non-Newtonian fluid is arranged in the liquid storage bag, a one-way valve is arranged on the liquid storage bag, and a liquid outlet end of the one-way valve penetrates out of the lantern rings;
be equipped with a plurality of partition strips between the lantern ring, the lantern ring is equipped with the heater block outward, the lantern ring is equipped with waterproof layer B outward, and partition strip is connected with waterproof layer B, waterproof layer B is equipped with the insulating layer outward, the insulating layer is equipped with the restrictive coating outward.
2. The high crush resistance power cable as claimed in claim 1, wherein: the material of the liquid storage bag is heat-shrinkable radiation cross-linked polyolefin, heat-shrinkable polyvinyl chloride or heat-shrinkable polypropylene.
3. The high crush resistance power cable as claimed in claim 1, wherein: the swelling plasticity non-Newtonian fluid is any one of taibai powder solution, mud powder solution or water-coal powder solution.
4. The high crush resistance power cable as claimed in claim 1, wherein: the structure of the one-way valve is as follows: the valve comprises a valve body, be equipped with the collar in the valve body, the center of collar is the mounting hole, be equipped with the inserted bar in the mounting hole, the one end of inserted bar is equipped with the roof, and the cover has the spring on the inserted bar between roof and the collar, keeps off the ring in the valve body of roof one side, keeps off and is equipped with the through-hole on the ring, and the roof contacts with keeping off the ring under the effect of spring, will keep off that the through-hole covers on the ring, is equipped with the rubber layer on the face of roof and fender ring contact, is equipped with the drain pipe on the valve body side between roof and the fender ring.
5. The high crush resistance power cable as claimed in claim 1, wherein: the heating part is a heating resistance wire, and a groove corresponding to the heating resistance wire is arranged on the reinforcing ring.
6. The high crush resistance power cable as claimed in claim 1, wherein: the waterproof layer A and the waterproof layer B are made of high-temperature vulcanized silicone rubber, polyimide or fluororubber.
7. The high crush resistance power cable as claimed in claim 1, wherein: the heat insulation layer is made of any one of glass fiber, high silica fiber or aluminum silicate fiber.
8. The high crush resistance power cable as claimed in claim 1, wherein: the sheath layer is made of polyurethane or ethylene propylene diene monomer.
9. The high crush resistance power cable as claimed in claim 1, wherein: the liquid storage bag can extrude the expansion-plasticity non-Newtonian fluid only when the heating temperature is not lower than 60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210106849.1A CN114360791B (en) | 2022-01-28 | 2022-01-28 | High resistance to compression power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210106849.1A CN114360791B (en) | 2022-01-28 | 2022-01-28 | High resistance to compression power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114360791A true CN114360791A (en) | 2022-04-15 |
| CN114360791B CN114360791B (en) | 2022-12-06 |
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ID=81093566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210106849.1A Active CN114360791B (en) | 2022-01-28 | 2022-01-28 | High resistance to compression power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114360791B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114974683A (en) * | 2022-06-10 | 2022-08-30 | 江苏全兴电缆有限公司 | Anti-explosion power cable and maintenance method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4868967A (en) * | 1985-07-19 | 1989-09-26 | Raychem Corporation | Tubular article |
| US20050137290A1 (en) * | 2003-10-28 | 2005-06-23 | 3M Innovative Properties Company | Filling materials |
| CN110993155A (en) * | 2019-12-31 | 2020-04-10 | 金湖博通科技有限公司 | Fluoroplastic cable and production process thereof |
| CN111599521A (en) * | 2020-05-21 | 2020-08-28 | 江苏江扬特种电缆有限公司 | Impact-resistant cable for ships |
| CN113192672A (en) * | 2021-03-26 | 2021-07-30 | 金湖博通科技有限公司 | non-Newtonian fluid cable and installation method thereof |
| CN113192673A (en) * | 2021-03-26 | 2021-07-30 | 金湖博通科技有限公司 | Impact-resistant cable and installation method thereof |
-
2022
- 2022-01-28 CN CN202210106849.1A patent/CN114360791B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4868967A (en) * | 1985-07-19 | 1989-09-26 | Raychem Corporation | Tubular article |
| US20050137290A1 (en) * | 2003-10-28 | 2005-06-23 | 3M Innovative Properties Company | Filling materials |
| CN110993155A (en) * | 2019-12-31 | 2020-04-10 | 金湖博通科技有限公司 | Fluoroplastic cable and production process thereof |
| CN111599521A (en) * | 2020-05-21 | 2020-08-28 | 江苏江扬特种电缆有限公司 | Impact-resistant cable for ships |
| CN113192672A (en) * | 2021-03-26 | 2021-07-30 | 金湖博通科技有限公司 | non-Newtonian fluid cable and installation method thereof |
| CN113192673A (en) * | 2021-03-26 | 2021-07-30 | 金湖博通科技有限公司 | Impact-resistant cable and installation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114974683A (en) * | 2022-06-10 | 2022-08-30 | 江苏全兴电缆有限公司 | Anti-explosion power cable and maintenance method thereof |
| CN114974683B (en) * | 2022-06-10 | 2023-10-20 | 江苏全兴电缆有限公司 | Antiknock power cable and maintenance method thereof |
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| Publication number | Publication date |
|---|---|
| CN114360791B (en) | 2022-12-06 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A high compressive power cable Granted publication date: 20221206 Pledgee: Bank of Nanjing Co.,Ltd. Huai'an branch Pledgor: Jinhu Botong Technology Co.,Ltd. Registration number: Y2024980010447 |
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