CN210692161U - Resistance to compression fire-retardant type copper cable - Google Patents
Resistance to compression fire-retardant type copper cable Download PDFInfo
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- CN210692161U CN210692161U CN201922289105.4U CN201922289105U CN210692161U CN 210692161 U CN210692161 U CN 210692161U CN 201922289105 U CN201922289105 U CN 201922289105U CN 210692161 U CN210692161 U CN 210692161U
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- 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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Abstract
The utility model relates to a compression-resistant flame-retardant copper cable, which comprises an elastic body, a plurality of conductor components embedded in the elastic body, a rubber layer, a flame-retardant layer, an interference shielding layer, a heat-resistant layer, a waterproof layer and a protective sleeve, wherein the rubber layer, the flame-retardant layer, the interference shielding layer, the heat-resistant layer, the waterproof layer and the protective sleeve are sequentially arranged around the elastic body from inside to; the elastic body is of a cylindrical structure, a plurality of cavities are annularly and uniformly distributed in the elastic body along the side wall, the cavities are of cylindrical structures, the central axis of each cavity is parallel to the central axis of the elastic body, and the side wall of each cavity is communicated with the outside of the elastic body; the plurality of conductor assemblies are arranged in the cavity and respectively comprise a plurality of stranded copper wires and insulating layers wrapped on the outer sides of the copper wires; the side wall of the insulating layer protrudes out of the side wall of the elastic body, and the inner wall of the rubber layer opposite to the insulating layer is concave; the utility model discloses a copper cable has resistance to compression and fire-retardant effect, and wherein the resistance to compression is realized through the elastomer that sets up, and fire-retardant layer and the heat-resistant layer through setting up realize, have effectively guaranteed copper cable's life.
Description
Technical Field
The utility model relates to a power cable technical field, in particular to fire-retardant type copper cable of resistance to compression.
Background
In the power cable industry, the power cable is widely used for transmitting power, a copper cable is generally accepted through cost and effect screening, and the copper cable is used in the fields of urban underground power grids, power supply in enterprise factories and the like, and is easy to break due to extrusion of the power cable; when the cable is extruded, the internal core wire is extruded inevitably, so that the core wire is deformed, and the power transmission quality is influenced; when the electric current in the cable is very big, the copper line temperature in the cable will rise, thereby the insulating layer temperature of parcel copper line will rise the reliability greatly reduced who makes the insulating layer, and excessive extrusion also can cause the cable temperature to rise simultaneously to cause a series of safety problems, consequently the utility model develops a fire-retardant type copper cable of resistance to compression to solve the problem that exists among the prior art, through the retrieval, not discover with the utility model discloses the same or similar technical scheme.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is: the pressure-resistant flame-retardant copper cable is provided to solve a series of safety problems caused by the fact that the copper cable is easily extruded and deformed and the temperature is increased in the prior art.
The technical scheme of the utility model is that: a compression-resistant flame-retardant copper cable comprises an elastic body, a plurality of conductor assemblies embedded in the elastic body, and a rubber layer, a flame-retardant layer, an interference shielding layer, a heat-resistant layer, a waterproof layer and a protective sleeve which are sequentially arranged from inside to outside around the elastic body; the elastic body is of a cylindrical structure, a plurality of cavities are annularly and uniformly distributed in the elastic body along the side wall, the cavities are of cylindrical structures, the central axis of each cavity is parallel to the central axis of the elastic body, and the side wall of each cavity is communicated with the outside of the elastic body; the plurality of conductor assemblies are arranged in the cavity and respectively comprise a plurality of stranded copper wires and insulating layers wrapped on the outer sides of the copper wires; the insulating layer lateral wall protrusion elastomer lateral wall, the inner wall department that the rubber layer is relative with the insulating layer is the indent form, the rubber layer inner wall laminates with the insulating layer outer wall and the elastomer outer wall of relative position department respectively.
Preferably, the elastomer middle section has a central reinforcing steel wire.
Preferably, an opening is formed between the cavity side wall and the elastomer side wall, and a central angle formed by the opening on a section along the radial direction of the cavity is 30-60 degrees.
Preferably, the flame-retardant layer is a fireproof belt, and the fireproof belt is wound on the outer side wall of the rubber layer in a surrounding manner.
Preferably, the shortest distance between the adjacent cavity side walls is 1/3-1/2 of the radius of the conductor assembly.
Compared with the prior art, the utility model has the advantages that:
(1) the utility model discloses a copper cable has resistance to compression and fire-retardant effect, and wherein the resistance to compression is realized through the elastomer that sets up, and fire-retardant layer and the heat-resistant layer through setting up realize, have effectively guaranteed copper cable's life.
(2) The strength and tensile property of the copper cable are further ensured by the arrangement of the central reinforcing steel wire.
(3) The open-ended sets up the conductor assembly of being convenient for and places in the cavity, and open-ended size can be controlled simultaneously and conductor assembly's placing of being convenient for can realize again that the elastomer is to conductor assembly's cladding.
(4) The elastomer is mainly arranged because of having certain cushioning effect during the extrusion process, thereby enabling the structure to have enough pressure resistance, and the distance between adjacent cavities is controlled in order to ensure enough thickness between the adjacent cavities, thereby enabling the adjacent cavities to have enough cushioning effect.
Drawings
The invention will be further described with reference to the following drawings and examples:
fig. 1 is a schematic end view of the structure of the present invention;
FIG. 2 is a schematic structural view of the elastomer of the present invention;
fig. 3 is a schematic structural diagram of the rubber layer of the present invention.
Wherein: 1. elastomer, 2, cavity, 3, central reinforcing steel wire, 4, conductor assembly, 5, copper wire, 6, insulating layer, 7, rubber layer, 8, fire-retardant layer, 9, interference shielding layer, 10, heat-resistant layer, 11, waterproof layer, 12, protective sheath.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention:
as shown in fig. 1, the compression-resistant and flame-retardant copper cable includes an elastic body 1, a plurality of conductor assemblies 4 embedded in the elastic body 1, a rubber layer 7, a flame-retardant layer 8, an interference shielding layer 9, a heat-resistant layer 10, a waterproof layer 11 and a protective sleeve 12, which are sequentially disposed around the elastic body 1 from inside to outside.
As shown in fig. 2, the elastic body 1 is of a cylindrical structure, a plurality of cavities 2 are uniformly distributed in the elastic body 1 along the side wall in an annular manner, the cavities 2 are of a cylindrical structure, the central axis is parallel to the central axis of the elastic body 1, the side wall of each cavity 2 is communicated with the outside of the elastic body 1, namely, an opening is formed between the side wall of each cavity 2 and the side wall of the elastic body 1, and the central angle formed by the opening on the radial section of each cavity 2 is 30-60 degrees; the middle part of the elastic body 1 is provided with a central reinforcing steel wire 3, so that the strength and the tensile property of the copper cable are further ensured.
A plurality of conductor assembly 4 sets up in cavity 2, includes the copper line 5 of a plurality of transposition and wraps up the insulating layer 6 in a plurality of copper lines 5 outsides respectively, and insulating layer 6 is in the setting of 1 lateral wall of lateral wall protrusion elastomer of opening part.
As shown in fig. 3, the inner wall of the rubber layer 7 opposite to the insulating layer 6 is concave, the inner wall of the rubber layer 7 is respectively attached to the outer wall of the insulating layer 6 and the outer wall of the elastic body 1 at the opposite position, and the rubber layer 7 also has certain elastic performance and can play a certain role in compression resistance and buffering.
The flame-retardant layer 8, the interference shielding layer 9, the heat-resistant layer 10, the waterproof layer 11 and the protective sleeve 12 are sequentially nested and attached, wherein the flame-retardant layer 8 is made of an inorganic salt flame retardant serving as a flame-retardant material, the interference shielding layer 9 is made of a metal wire braided layer with a coverage area of 55%, the waterproof layer 11 is made of epoxy resin, and materials of the layers are used for protecting the conductor component 4 sufficiently; the anti-compression flame-retardant copper cable has anti-compression and flame-retardant effects, wherein the anti-compression effect is achieved through the arranged elastic body 1, the flame retardance effect is achieved through the arranged flame-retardant layer 8 and the heat-resistant layer 10, and the service life of the copper cable is effectively guaranteed.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and therefore, the present invention is considered to be exemplary and not restrictive in any way, since the scope of the present invention is defined by the appended claims, rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and therefore any reference signs in the claims are not intended to be construed as limiting the claims concerned.
Claims (5)
1. The utility model provides a fire-retardant type copper cable of resistance to compression which characterized in that: the cable comprises an elastic body, a plurality of conductor components embedded in the elastic body, a rubber layer, a flame-retardant layer, an interference shielding layer, a heat-resistant layer, a waterproof layer and a protective sleeve, wherein the rubber layer, the flame-retardant layer, the interference shielding layer, the heat-resistant layer, the waterproof layer and the protective sleeve are sequentially arranged around the elastic body from inside to outside; the elastic body is of a cylindrical structure, a plurality of cavities are annularly and uniformly distributed in the elastic body along the side wall, the cavities are of cylindrical structures, the central axis of each cavity is parallel to the central axis of the elastic body, and the side wall of each cavity is communicated with the outside of the elastic body; the plurality of conductor assemblies are arranged in the cavity and respectively comprise a plurality of stranded copper wires and insulating layers wrapped on the outer sides of the copper wires; the insulating layer lateral wall protrusion elastomer lateral wall, the inner wall department that the rubber layer is relative with the insulating layer is the indent form, the rubber layer inner wall laminates with the insulating layer outer wall and the elastomer outer wall of relative position department respectively.
2. The pressure-resistant flame-retardant copper cable according to claim 1, characterized in that: the elastomer middle part is provided with a central reinforcing steel wire.
3. The pressure-resistant flame-retardant copper cable according to claim 1, characterized in that: an opening is formed between the side wall of the cavity and the side wall of the elastomer, and the central angle formed by the opening on the section along the radial direction of the cavity is 30-60 degrees.
4. The pressure-resistant flame-retardant copper cable according to claim 1, characterized in that: the fire-retardant layer is the fire prevention band, the fire prevention band is the winding of encircleing on the lateral wall of rubber layer.
5. The pressure-resistant flame-retardant copper cable according to claim 1, characterized in that: the shortest distance between the adjacent cavity side walls is 1/3-1/2 of the radius of the conductor component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289105.4U CN210692161U (en) | 2019-12-19 | 2019-12-19 | Resistance to compression fire-retardant type copper cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289105.4U CN210692161U (en) | 2019-12-19 | 2019-12-19 | Resistance to compression fire-retardant type copper cable |
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| Publication Number | Publication Date |
|---|---|
| CN210692161U true CN210692161U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922289105.4U Active CN210692161U (en) | 2019-12-19 | 2019-12-19 | Resistance to compression fire-retardant type copper cable |
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| Country | Link |
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| CN (1) | CN210692161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829569A (en) * | 2021-09-22 | 2021-12-24 | 东莞市鑫易塑胶科技有限公司 | High-compression-resistance flame-retardant thermoplastic elastomer and production method thereof |
| CN114283981A (en) * | 2021-12-06 | 2022-04-05 | 安徽国电电缆股份有限公司 | High-performance polyurethane elastomer and cable using same |
-
2019
- 2019-12-19 CN CN201922289105.4U patent/CN210692161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829569A (en) * | 2021-09-22 | 2021-12-24 | 东莞市鑫易塑胶科技有限公司 | High-compression-resistance flame-retardant thermoplastic elastomer and production method thereof |
| CN114283981A (en) * | 2021-12-06 | 2022-04-05 | 安徽国电电缆股份有限公司 | High-performance polyurethane elastomer and cable using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A compressive flame retardant copper cable Effective date of registration: 20220809 Granted publication date: 20200605 Pledgee: Agricultural Bank of China Limited Nantong Haimen sub branch Pledgor: Jiangsu Xin Hai Teng Cable Co.,Ltd. Registration number: Y2022320010450 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |