CN213935721U - Inner conductor for cable - Google Patents
Inner conductor for cable Download PDFInfo
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- CN213935721U CN213935721U CN202023214619.2U CN202023214619U CN213935721U CN 213935721 U CN213935721 U CN 213935721U CN 202023214619 U CN202023214619 U CN 202023214619U CN 213935721 U CN213935721 U CN 213935721U
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- protective layer
- resistant insulating
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Abstract
The utility model discloses an inner conductor for cable, including copper conductor line, the surface of copper conductor line has cup jointed the inner protective layer, the fixed surface of inner protective layer is connected with fire-resistant insulating layer, the surface spraying of fire-resistant insulating layer has the fire prevention coating layer, the surface of fire prevention coating layer has cup jointed the sealing layer, the fixed surface of sealing layer is connected with the outer protective layer; in this scheme, fire-resistant insulating layer and fireproof paint layer make this device possess two steps's the thermal-insulated step of fire prevention, then under the effect of sealing layer, guarantee that fireproof paint layer and fire-resistant insulating layer can not produce the condition of separation because of fireproof paint layer's self changes, thereby improve the holistic heat-proof quality of this device, ensured the security of this device in the use, simultaneously the sealing layer cooperatees with interior protective layer, outer protective layer, the holistic structural strength of this device has been improved, make this device satisfy various user demands.
Description
Technical Field
The utility model relates to the technical field of cables, more specifically say, it relates to an inner conductor for cable.
Background
The conductor is a substance which has low resistivity and is easy to conduct current, a large number of freely movable charged particles are called carriers in the conductor, the carriers make directional motion under the action of an external electric field to form obvious current, and metal is the most common conductor. Valence electrons at the outermost layer of metal atoms are easy to break away from the constraint of atomic nuclei to form free electrons, the left positive ions form a regular lattice, and the concentration of the free electrons in the metal is high, so that the conductivity of a metal conductor is generally higher than that of other conductor materials, the resistivity of the metal conductor generally decreases along with the reduction of temperature, and at extremely low temperature, the resistivity of some metals and alloys disappears and is converted into superconductors.
Chinese patent CN202258403U discloses an inner conductor for cables, and specifically relates to a novel inner conductor suitable for leaky cables and radio frequency coaxial cables in third generation mobile communication, which comprises a reinforcing member, a physical foaming supporting layer, and a copper pipe conductor layer longitudinally wrapped outside the physical foaming supporting layer. Because the utility model discloses indulging package copper pipe conductor layer outside physics foaming supporting layer, can reducing the thickness of copper pipe conductor layer, can practice thrift the copper product promptly and then reduction in production cost, do not influence the quality of cable and do not influence the transmission and the life of cable, but current cable inner conductor fire prevention, insulating and heat-proof quality are not good, and structural strength is not enough, is difficult to satisfy the user demand.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an inner conductor for cable, its characteristics that have the heat-proof quality strong.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an inner conductor for cable, includes copper conductor line, the inner protective layer has been cup jointed on the surface of copper conductor line, the fixed surface of inner protective layer is connected with fire-resistant insulating thermal insulation layer, fire-retardant coating layer has been sprayed on fire-retardant insulating thermal insulation layer's surface, the sealing layer has been cup jointed on fire-retardant coating layer's surface, the fixed surface of sealing layer is connected with the outer protective layer.
Through adopting above-mentioned technical scheme, fire-resistant insulating layer and fireproof paint layer make this device possess the thermal-insulated step of fire prevention of two steps, then under the effect of sealing layer, guarantee that fireproof paint layer and fire-resistant insulating layer can not produce the condition of separation because of fireproof paint layer's self changes, thereby improve the holistic heat-proof quality of this device, the security of this device in the use has been ensured, sealing layer and inner protection layer, outer protective layer cooperate simultaneously, the holistic structural strength of this device has been improved, make this device satisfy various user demands.
Further, the inner protection layer is a protective lead coating.
By adopting the technical scheme, the copper conductor wire can be protected once in practical application, and the purpose of one-time insulation is achieved.
Furthermore, the outer protection layer is made of PVC material with better insulating property.
Through adopting above-mentioned technical scheme, in the practical application, guaranteed the holistic insulating nature and the pull resistance of this device surface, reach the secondary and insulate and improve structural strength's purpose.
Further, the sealing layer is formed by weaving steel wires.
Through adopting above-mentioned technical scheme, in the application of reality, make the sealing layer utilize its self structural strength to carry out the structure to this device and strengthen, avoid causing the damage of inner protective layer because of dragging, the sealing layer can guarantee simultaneously that fireproof coating layer and fire-resistant insulating layer closely laminate, reach the purpose that improves fireproof heat-proof quality.
Furthermore, the material of the fire-resistant insulating and heat-insulating layer is ceramic fiber.
By adopting the technical scheme, in practical application, the ceramic fiber utilizes the characteristics of fire resistance, insulation and heat insulation to perform fire prevention, insulation and heat insulation, and the overall performance of the device is further improved.
To sum up, the utility model discloses following beneficial effect has:
in this scheme, through setting up the inner protective layer, fire-resistant insulating layer, the fireproof coating layer, sealing layer and outer protective layer, in the application of reality, cooperation between the aforesaid, fire-resistant insulating layer and fireproof coating layer make this device possess two steps fire prevention thermal-insulated step, then under the effect of sealing layer, guarantee that fireproof coating layer and fire-resistant insulating layer can not produce the condition of separation because of fireproof coating layer's self changes, thereby improve the holistic heat-proof quality of this device, the security of this device in the use has been ensured, sealing layer and inner protective layer simultaneously, the outer protective layer cooperatees, the holistic structural strength of this device has been improved, make this device satisfy various user demands.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic perspective sectional view of the present invention;
in the figure:
1. a copper conductor line; 2. an inner protective layer; 3. a refractory insulating layer; 4. a fire retardant coating layer; 5. a sealing layer; 6. and an outer protective layer.
Detailed Description
Example (b):
the present invention will be described in further detail with reference to the accompanying fig. 1-2.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an inner conductor for cable, includes copper conductor line 1, and inner protective layer 2 has been cup jointed on the surface of copper conductor line 1, and inner protective layer 2's fixed surface is connected with fire-resistant insulating and heat-insulating layer 3, and fire-resistant insulating and heat-insulating layer 3's surface spraying has fireproof paint layer 4, and fireproof paint layer 4's surface has been cup jointed sealing layer 5, and sealing layer 5's fixed surface is connected with outer protective layer 6.
In this embodiment: fire-resistant insulating layer 3 and fireproof coating layer 4 make this device possess the thermal-insulated step of fire prevention of two steps, then under the effect of sealing layer 5, guarantee that fireproof coating layer 4 and 3 can not produce the condition of separation because of fireproof coating layer 4's self change of fireproof coating layer, thereby improve the holistic heat-proof quality of this device, the security of this device in the use has been ensured, sealing layer 5 and inner protective layer 2 simultaneously, outer protective layer 6 cooperatees, the holistic structural strength of this device has been improved, make this device satisfy various user demands.
As shown in fig. 1, the inner protective layer 2 is a protective lead sheath;
in this embodiment: by arranging the inner protection layer 2 to protect the lead sheath, the copper conductor wire 1 can be protected once in practical application, and the purpose of one-time insulation is achieved.
As shown in fig. 1, the outer protection layer 6 is made of PVC material with better insulation performance.
In this embodiment: through adopting the PVC material, in the practical application, guaranteed the holistic insulating nature and the pull resistance of this device surface, reach the secondary insulation and improve structural strength's purpose.
As shown in fig. 2, the sealing layer 5 is formed by weaving steel wires;
in this embodiment: through adopting the steel wire, in the application of reality, make sealing layer 5 utilize its self structural strength to carry out the structure to this device and strengthen, avoid causing the damage of inner protective layer 2 because of dragging, sealing layer 5 can guarantee simultaneously that fireproof coating layer 4 and fire-resistant insulating layer 3 closely laminate, reach the purpose that improves fire prevention heat-proof quality.
As shown in fig. 2, the material of the refractory insulating layer 3 is ceramic fiber;
in this embodiment: by adopting the ceramic fiber, in practical application, the ceramic fiber utilizes the characteristics of fire resistance, insulation and heat insulation to perform fire prevention, insulation and heat insulation, and the overall performance of the device is further improved.
The working principle is as follows: in this device working process, under the effect of sealing layer 5 self material, strengthen this device self structural strength, thereby avoid this device installation in because of dragging the interior protective layer 2 that causes and outer protective layer 6 to damage, reach the purpose of ensureing this device fire prevention heat-proof quality, fire-resistant insulating layer 3 makes this device possess two steps's fire prevention thermal-insulated step with fireproof paint layer 4 simultaneously, then under the effect of sealing layer 5, guarantee fireproof paint layer 4 and fire-resistant insulating layer 3 can not produce the condition of separation because of fireproof paint layer 4's self change, thereby improve the holistic heat-proof quality of this device, the security of this device in the use has been ensured.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an inner conductor for cable, includes copper conductor line (1), its characterized in that, inner protective layer (2) have been cup jointed on the surface of copper conductor line (1), the fixed surface of inner protective layer (2) is connected with fire-resistant insulating layer (3), the surface spraying of fire-resistant insulating layer (3) has fireproof paint layer (4), the surface of fireproof paint layer (4) has cup jointed sealing layer (5), the fixed surface of sealing layer (5) is connected with outer protective layer (6).
2. An inner conductor for cables according to claim 1, characterized in that the inner protective layer (2) is a protective lead sheath.
3. The inner conductor for cables as claimed in claim 1, wherein the outer protective layer (6) is made of PVC material with better insulation property.
4. An inner conductor for electric cables according to claim 1, characterized in that the sealing layer (5) is braided from steel wires.
5. The cable inner conductor according to claim 1, wherein the material of the fire-resistant insulating layer (3) is ceramic fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214619.2U CN213935721U (en) | 2020-12-28 | 2020-12-28 | Inner conductor for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214619.2U CN213935721U (en) | 2020-12-28 | 2020-12-28 | Inner conductor for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213935721U true CN213935721U (en) | 2021-08-10 |
Family
ID=77157576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023214619.2U Active CN213935721U (en) | 2020-12-28 | 2020-12-28 | Inner conductor for cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213935721U (en) |
-
2020
- 2020-12-28 CN CN202023214619.2U patent/CN213935721U/en active Active
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