CN118553473A - Fire-resistant cable - Google Patents
Fire-resistant cable Download PDFInfo
- Publication number
- CN118553473A CN118553473A CN202411020583.4A CN202411020583A CN118553473A CN 118553473 A CN118553473 A CN 118553473A CN 202411020583 A CN202411020583 A CN 202411020583A CN 118553473 A CN118553473 A CN 118553473A
- Authority
- CN
- China
- Prior art keywords
- cable
- fire
- insulating sleeve
- cable body
- outer side
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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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
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
本发明涉及电缆技术领域，本发明公开了一种耐火电缆，包括绝缘套，所述绝缘套的外侧开设有开口，所述开口内固定有格网，所述绝缘套包裹在第一电缆主体和第二电缆主体的外侧。该耐火电缆，通过设置的绝缘套、开口、格网、第一电缆主体、第二电缆主体、阻燃层、防水层和导热片的相互配合使用，能够达到绝缘、阻燃耐火、防水和散热的目的，绝缘套包裹在第一电缆主体和第二电缆主体的外侧，方便起到绝缘防护的作用，阻燃层和防水层可分别发挥阻燃耐火和防水的作用，绝缘套的侧面开设有开口，开口内固定有格网，方便起到通风散热的作用，导热片可发挥导热的作用，风在绝缘套内穿梭的过程中可带走第一电缆主体和第二电缆主体上的热量。
The present invention relates to the technical field of cables, and the present invention discloses a fire-resistant cable, including an insulating sleeve, an opening is provided on the outer side of the insulating sleeve, a grid is fixed in the opening, and the insulating sleeve is wrapped around the outer side of a first cable body and a second cable body. The fire-resistant cable can achieve the purposes of insulation, flame retardancy, fire resistance, waterproofing and heat dissipation through the coordinated use of the insulating sleeve, the opening, the grid, the first cable body, the second cable body, the flame retardant layer, the waterproof layer and the heat conductive sheet. The insulating sleeve is wrapped around the outer side of the first cable body and the second cable body, which is convenient for playing the role of insulation protection. The flame retardant layer and the waterproof layer can play the role of flame retardancy, fire resistance and waterproofing respectively. An opening is provided on the side of the insulating sleeve, and a grid is fixed in the opening, which is convenient for playing the role of ventilation and heat dissipation. The heat conductive sheet can play the role of heat conduction, and the wind can take away the heat on the first cable body and the second cable body during the process of shuttling in the insulating sleeve.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a fire-resistant cable.
Background
The cable is similar to a rope in appearance, is formed by twisting a plurality of groups of wires, is mutually insulated, is often twisted around a center, is covered with a high-insulation covering layer, is erected in the air or is installed underground and underwater for telecommunication or power transmission, and has basic safety performance for ensuring the normal and stable operation of the cable.
Through massive search, a cable in the prior art is found to be typical as a cable with a publication number CN105336412A, and comprises a plurality of insulating wire cores, wherein the insulating wire cores are stranded into a cable, each insulating wire core comprises a conductor and an insulating layer, the outer surface of the cable is extruded with an aluminum sleeve, and the stranding pitch of the insulating wire cores is the same as the pitch of the aluminum sleeve. The aluminum sleeve is directly extruded outside the cable, so that the consumption of filling materials is reduced, the outer diameter of the aluminum sleeve is reduced, the consumption of materials is reduced, the length of the aluminum sleeve is the length of the cable, the linear resistance is small, the contact between the aluminum sleeve and a cable core of the cable is changed into an arc surface from a linear shape, the aluminum sleeve is not isolated by air, the heat dissipation effect is greatly improved, and the current carrying capacity of the aluminum sleeve is also enhanced.
After massive search, the cable in the prior art is found to be typical as a publication number CN105575523B, and the moistureproof cable comprises a conductor core, wherein an insulating protective layer is wrapped outside the conductor core; a blocking layer is wrapped outside the insulating protective layer, and the blocking layer is made of an elastic material; a moisture-proof pipe is wrapped outside the blocking layer, and an outer protective layer with a water-proof function is wrapped outside the moisture-proof pipe; the moistureproof pipe is made of porous water-absorbing expansion materials; negative pressure pipes are arranged in the pipe wall of the dampproof pipe at equal intervals along the axial direction of the dampproof pipe, and capillary holes are formed in the pipe wall of the negative pressure pipes; an extraction valve is also connected to the negative pressure pipe, and the extraction valve extends out of the outer protective layer; the moistureproof cable has the advantages of light weight, exquisite structure, good moistureproof effect and convenience for later maintenance.
The fire-resistant and waterproof effect of current cable is general, and at the in-process that uses the cable, when its temperature reaches a definite value, must cool down to handle it, otherwise continuously intensifies and can lead to generating heat the fire, and then leads to the cable to burn out, and the safety protection effect is poor, to above-mentioned problem, needs to improve current equipment.
Disclosure of Invention
The invention aims to provide a fire-resistant cable, which solves the problems that the fire resistance and the waterproof effect of the existing cable proposed in the background art are common, and when the temperature of the cable reaches a certain value in the process of using the cable, the cable must be cooled, otherwise, the cable is burnt out due to continuous heating, and the safety protection effect is poor.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fire-resistant cable, includes insulating cover, the opening has been seted up to the outside of insulating cover, the opening internal fixation has the grid, insulating cover parcel is in the outside of first cable main part and second cable main part.
Preferably, the grids are steel members and are circumferentially uniformly distributed on the insulating sleeve.
By adopting the technical scheme, the grid hardness of the steel member is high and relatively firm.
Preferably, six second cable bodies are arranged, and the six second cable bodies are circumferentially and uniformly distributed in the insulating sleeve.
By adopting the technical scheme, six second cable main bodies which are uniformly distributed in the circumferential direction are orderly distributed.
Preferably, the outer side of the first cable main body and the outer side of the second cable main body are both fixed with flame-retardant layers, and the flame-retardant layers are PVC (polyvinyl chloride) flame-retardant fuels.
By adopting the technical scheme, the flame-retardant layer can play a role in flame retardance and fire resistance.
Preferably, the waterproof layer is fixed with in the outside of fire-retardant layer, and the waterproof layer is polyvinyl chloride material, first cable main part and second cable main part are all connected with insulating cover through the connecting block.
Through adopting above-mentioned technical scheme, waterproof layer can play waterproof effect, and the connecting block can be with first cable main part and second cable main part fixed connection on insulating cover.
Preferably, the heat conducting fins are fixed on the outer side of the first cable main body and the outer side of the second cable main body, and the connecting block and the heat conducting fins penetrate through the flame retardant layer and the waterproof layer.
Through adopting above-mentioned technical scheme, the effect of heat conduction can be played to the conducting strip, and the wind can take away the heat on first cable main part and the second cable main part in the in-process that shuttles back and forth in the insulating cover.
Compared with the prior art, the invention has the beneficial effects that:
according to the fire-resistant cable, through the mutual matching of the insulation sleeve, the first cable main body, the second cable main body, the flame-retardant layer and the waterproof layer, the purposes of insulation, flame retardance, fire resistance and water resistance can be achieved, the insulation sleeve is wrapped on the outer sides of the first cable main body and the second cable main body, the insulation protection effect is conveniently achieved, and the flame-retardant layer and the waterproof layer can respectively play roles of flame retardance, fire resistance and water resistance;
2. This fire-resistant cable uses through the insulating cover, opening, grid, first cable main part, second cable main part and the heat conducting strip that set up mutually support, can reach radiating purpose, and the opening has been seted up to the side of insulating cover, and the opening internal fixation has the grid, conveniently plays ventilation radiating effect, and the heat conducting strip can exert heat conduction's effect, and the wind can take away the heat in first cable main part and the second cable main part in the in-process that shuttles back and forth in insulating cover, conveniently reaches radiating effect.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present invention;
FIG. 2 is a schematic diagram of the front view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
fig. 4 is a schematic view of the connection structure of the first cable body, the connection block and the heat conductive sheet of the present invention.
In the figure: 1. an insulating sleeve; 2. an opening; 3.a grid; 4. a first cable body; 5. a second cable body; 6. a flame retardant layer; 7. a waterproof layer; 8. a connecting block; 9. and a heat conductive sheet.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a fire-resistant cable, includes insulating cover 1, and opening 2 has been seted up in the outside of insulating cover 1, and opening 2 internal fixation has grid 3, and insulating cover 1 parcel is in the outside of first cable main part 4 and second cable main part 5.
In this embodiment, as shown in fig. 1 and 3, the grids 3 are steel members, and the grids 3 are circumferentially and uniformly distributed on the insulating sleeve 1, so that the grids 3 can play a role in ventilation and heat dissipation, and the grids 3 circumferentially and uniformly distributed can make the ventilation and heat dissipation effect more uniform.
In this embodiment, as shown in fig. 1 and 2, six second cable main bodies 5 are provided, and six second cable main bodies 5 are circumferentially uniformly distributed in the insulating sleeve 1, and the circumferentially uniformly distributed second cable main bodies 5 are arranged in order.
In this embodiment, as shown in fig. 1 and fig. 2, the outer side of the first cable main body 4 and the outer side of the second cable main body 5 are both fixed with the flame retardant layer 6, and the flame retardant layer 6 is a PVC flame retardant fuel, and PVC has the characteristics of flame retardance, corrosion resistance, good comprehensive mechanical properties, low price, and the like, and the flame retardant layer 6 has the characteristics of flame retardance and fire resistance.
In this embodiment, as shown in fig. 1 and 2, the waterproof layer 7 is fixed on the outer side of the flame retardant layer 6, and the waterproof layer 7 is made of polyvinyl chloride, the first cable body 4 and the second cable body 5 are all connected with the insulating sleeve 1 through the connecting block 8, the waterproof layer 7 made of polyvinyl chloride has good weather resistance, high temperature resistance, corrosion resistance, aging resistance and insulating property, and is suitable for various waterproof occasions, the waterproof effect is good, the connecting block 8 plays a role in connecting the first cable body 4 and the insulating sleeve 1, and also plays a role in connecting the second cable body 5 and the insulating sleeve 1.
In this embodiment, as shown in fig. 1, the outer sides of the first cable main body 4 and the second cable main body 5 are both fixed with heat conducting fins 9, and the connection block 8 and the heat conducting fins 9 penetrate through the flame retardant layer 6 and the waterproof layer 7, so that when wind shuttles in the insulating sleeve 1, the heat conducting fins 9 can conduct heat on the first cable main body 4 and the second cable main body 5 into the wind, thereby conveniently achieving the effect of heat dissipation.
The application method and the advantages of the invention are as follows: the fire-resistant cable has the following working process:
As shown in fig. 1 to 4: the second cable main part 5 is provided with six, six second cable main parts 5 regard first cable main part 4 as central circumference evenly distributed in insulating cover 1, insulating cover 1 can play insulating protection's effect, fire-retardant fire-resistant and waterproof layer 7 play fire-retardant fire-resistant and waterproof effect respectively, connecting block 8 is used for connecting first cable main part 4 and insulating cover 1, also be used for connecting second cable main part 5 and insulating cover 1, grid 3 can play ventilation and heat dissipation and block dust impurity's effect, when wind shuttles in insulating cover 1, heat conducting strip 9 goes out the heat conduction on first cable main part 4, the second cable main part 5, in order to reach radiating effect.
In conclusion, the fireproof cable achieves the purposes of insulation, flame retardance, fire resistance, water resistance and heat dissipation, and meets the use requirements of people.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411020583.4A CN118553473B (en) | 2024-07-29 | 2024-07-29 | Fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411020583.4A CN118553473B (en) | 2024-07-29 | 2024-07-29 | Fire-resistant cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118553473A true CN118553473A (en) | 2024-08-27 |
| CN118553473B CN118553473B (en) | 2024-10-18 |
Family
ID=92448772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411020583.4A Active CN118553473B (en) | 2024-07-29 | 2024-07-29 | Fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118553473B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119230184A (en) * | 2024-12-03 | 2024-12-31 | 山东强军电缆有限公司 | A waterproof photovoltaic cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6992253B1 (en) * | 2003-07-30 | 2006-01-31 | The United States Of America As Represented By The Secretary Of The Navy | Strength strand construction for a longitudinal section of a cable |
| CN213339802U (en) * | 2020-09-09 | 2021-06-01 | 江苏洪能电缆有限公司 | Cable with flame-retardant outer wrapping |
| WO2021243858A1 (en) * | 2020-06-01 | 2021-12-09 | 江苏恒辉电气有限公司 | Crosslinked polyethylene insulated halogen-free low-smoke flame-retardant special control cable |
| CN216084413U (en) * | 2021-07-07 | 2022-03-18 | 易初特种电线电缆(昆山)有限公司 | Cable with high heat dissipation performance |
| CN217562293U (en) * | 2022-04-25 | 2022-10-11 | 广西胜华电缆有限公司 | Fill electric pile cable |
-
2024
- 2024-07-29 CN CN202411020583.4A patent/CN118553473B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6992253B1 (en) * | 2003-07-30 | 2006-01-31 | The United States Of America As Represented By The Secretary Of The Navy | Strength strand construction for a longitudinal section of a cable |
| WO2021243858A1 (en) * | 2020-06-01 | 2021-12-09 | 江苏恒辉电气有限公司 | Crosslinked polyethylene insulated halogen-free low-smoke flame-retardant special control cable |
| CN213339802U (en) * | 2020-09-09 | 2021-06-01 | 江苏洪能电缆有限公司 | Cable with flame-retardant outer wrapping |
| CN216084413U (en) * | 2021-07-07 | 2022-03-18 | 易初特种电线电缆(昆山)有限公司 | Cable with high heat dissipation performance |
| CN217562293U (en) * | 2022-04-25 | 2022-10-11 | 广西胜华电缆有限公司 | Fill electric pile cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119230184A (en) * | 2024-12-03 | 2024-12-31 | 山东强军电缆有限公司 | A waterproof photovoltaic cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118553473B (en) | 2024-10-18 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A fire-resistant cable Granted publication date: 20241018 Pledgee: Weihai Bank Co.,Ltd. Dezhou Branch Pledgor: SHANDONG FOCUSTAR CABLE CO.,LTD. Registration number: Y2026980015726 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |