CN110648791A - Ceramic fireproof and fire-resistant polyolefin insulated cable - Google Patents
Ceramic fireproof and fire-resistant polyolefin insulated cable Download PDFInfo
- Publication number
- CN110648791A CN110648791A CN201910976948.3A CN201910976948A CN110648791A CN 110648791 A CN110648791 A CN 110648791A CN 201910976948 A CN201910976948 A CN 201910976948A CN 110648791 A CN110648791 A CN 110648791A
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- cable
- fixed
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- resistant
- cover
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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
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
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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
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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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
Abstract
The invention discloses a ceramic fireproof and fireproof polyolefin insulated cable, relates to the technical field of cables, and aims to solve the problems that the existing cable is not good enough in overall structural stability, is easy to damage along with the increase of service time and affects the overall safety performance. The utility model discloses a plastic protective sleeve, including plastics outside protective sheath, supplementary slip retainer plate, copper mesh woven protective layer, anti-aging protection main layer, the internally mounted of anti-aging protection main layer, the externally mounted of anti-aging protection main layer has the insulated cable main part, the outside of insulated cable main part is provided with the insulating protection main layer, the inside of insulating protection main layer is provided with the installation inner core cover, the internally mounted of installation inner core cover has the inside protection frame of cable, the inside of the inside protection frame of cable is provided with cable fixed mounting groove, and cable fixed mounting groove is provided with four.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a ceramic fireproof and fire-resistant polyolefin insulated cable.
Background
Cables are generally made up of several wires or groups of wires, made up of one or more conductors insulated from each other and an outer insulating sheath, which carries power or information from one place to another. Definition 2: typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. The cable can be divided into a direct current cable and an alternating current cable according to a system of a photovoltaic power station; a series cable from component to component; parallel cables between the strings and a direct current distribution box (combiner box).
However, the existing cable is not good enough in overall structural stability, and is easy to break along with the increase of service time, so that the overall safety performance is affected; thus, the existing requirements are not met, and a ceramic fireproof and fire-resistant polyolefin insulated cable is provided for the purpose.
Disclosure of Invention
The invention aims to provide a ceramic fireproof and fire-resistant polyolefin insulated cable, which aims to solve the problems that the existing cable proposed in the background art is poor in overall structural stability, easy to break along with the increase of service time and influenced in overall safety performance.
In order to achieve the purpose, the invention provides the following technical scheme: a ceramic fireproof and fire-resistant polyolefin insulated cable comprises a plastic outer protective sleeve, wherein auxiliary sliding fixing rings are arranged on two sides of the outer part of the plastic outer protective sleeve, the auxiliary sliding fixing ring is connected with the plastic outer protective sleeve in a sliding way, a copper mesh woven protective layer is arranged in the plastic outer protective sleeve, an anti-aging protection main layer is arranged inside the copper mesh woven protection layer, an insulation cable main body is arranged inside the anti-aging protection main layer, an insulating protection main layer is arranged outside the insulating cable main body, an installation inner core sleeve is arranged inside the insulating protection main layer, the inner part of the installation inner core sleeve is provided with a cable inner protection frame, the inner part of the cable inner protection frame is provided with four cable fixing installation grooves, and four cable fixed mounting grooves are distributed in sequence, four the inside of the cable fixed mounting groove is provided with a cable inside core.
Preferably, the inside outside of dividing the core of cable is provided with tensile protection cable cover, the inside of core cover is provided with cable filling soft material in the installation, the inside protection frame of cable includes central support stabilizing block, semi-circular fixed block, vertical stay mobile jib, the fixed separation blade of arc and fixed protection soft cover.
Preferably, the intermediate position department of the inside protection frame of cable is provided with central support stabilizing block, the outside of central support stabilizing block is provided with semi-circular fixed block, and semi-circular fixed block is provided with four, four vertical braces mobile jib is all installed in the outside of semi-circular fixed block, and semi-circular fixed block and central support stabilizing block and vertical braces mobile jib are a body structure.
Preferably, the one end of vertical support mobile jib is provided with the fixed separation blade of arc, and the fixed separation blade of arc is provided with four, four fixed soft cover of protection is all installed at the both ends of the fixed separation blade of arc, and fixed soft cover of protection is pasted with the fixed separation blade of arc and is connected.
Preferably, adjacent all be provided with fixed slot between the vertical braces mobile jib, and fixed slot is provided with four.
Preferably, the inside core that divides of cable includes high temperature resistant lag, internal insulation protective sheath and copper core line main part, the internally mounted of high temperature resistant lag has internal insulation protective sheath, the internally mounted of internal insulation protective sheath has the copper core line main part, and the copper core line main part is provided with a plurality of, and a plurality of copper core line main part distributes in proper order.
Preferably, a second filling soft material is arranged between the internal insulation protective sleeve and the copper core wire main body, an irradiation cross-linked polyolefin sleeve is arranged on the outer side of the copper core wire main body, and a copper core is arranged inside the irradiation cross-linked polyolefin sleeve.
Preferably, supplementary slip retainer plate includes the wear-resisting cover of antiskid, fixed sliding ring, fixed lug and fixed cover, the wear-resisting cover of antiskid is installed in the outside of fixed sliding ring, and the wear-resisting cover of antiskid pastes with fixed sliding ring and is connected, the inner wall of fixed sliding ring is provided with fixed lug, and fixed lug is provided with four, and four fixed lugs distribute in proper order, fixed lug and fixed sliding ring structure as an organic whole, the inside of fixed sliding ring is provided with fixed cover.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the cable internal protection frame is arranged in the insulated cable main body, so that the cable internal protection frame can better avoid friction in the cable, the installation stability of the cable is better ensured, the working performance is more stable, and the problems that the existing cable is not good in overall structure stability and easy to damage along with the increase of the service time and the overall safety performance is influenced are solved.
2. According to the invention, the copper mesh woven protective layer is arranged, so that the internal insulated cable main body can be better protected, the damage caused by long-time use friction is avoided, the insulating property of the cable can be better ensured by arranging the multilayer insulating sleeve, the cable is safer, and the safety factor of the whole structure is higher.
3. The auxiliary sliding fixing ring is arranged, so that the joint of the cable can be protected better, the wire explosion caused by overlarge pressure at the joint is avoided, the structure is simple, the protection performance of the plastic external protective sleeve can be better guaranteed, the plastic external protective sleeve cannot be damaged easily, the position can be adjusted properly according to the use requirement, and the practicability is higher.
Drawings
FIG. 1 is a perspective view of a ceramic fire-resistant and fire-resistant polyolefin insulated cable of the present invention;
FIG. 2 is an internal structural view of the insulated cable body of the present invention;
FIG. 3 is a cross-sectional view of the insulated cable body of the present invention;
FIG. 4 is a schematic structural view of the internal protective frame of the cable of the present invention;
FIG. 5 is a schematic view of the inner core of the cable of the present invention;
fig. 6 is a schematic structural view of the auxiliary sliding fixing ring according to the present invention.
In the figure: 1. a plastic outer protective sheath; 2. an auxiliary sliding fixing ring; 3. weaving a protective layer by a copper mesh; 4. an anti-aging protective primary layer; 5. an insulated cable body; 6. an insulating protective main layer; 7. installing an inner core sleeve; 8. a cable internal protection frame; 9. a cable fixing mounting groove; 10. filling soft materials into the cable; 11. stretching the protective cable sleeve; 12. splitting the inner part of the cable; 13. a central support stabilizing block; 14. a semicircular fixed block; 15. a main rod is vertically supported; 16. the baffle plate is fixed in an arc shape; 17. fixing a protective soft sleeve; 18. fixing the clamping groove; 19. a high temperature resistant protective sleeve; 20. an inner insulating protective sheath; 21. a copper core wire body; 22. irradiating the cross-linked polyolefin sleeve; 23. a copper core; 24. a second filling soft material; 25. an anti-skid wear-resistant sleeve; 26. fixing the sliding ring; 27. fixing the bump; 28. and (4) fixing sleeves.
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.
Referring to fig. 1-6, an embodiment of the present invention is shown: a ceramic fireproof and fireproof polyolefin insulated cable comprises a plastic external protective sleeve 1, wherein auxiliary sliding fixing rings 2 are respectively arranged on two sides of the outer part of the plastic external protective sleeve 1, the auxiliary sliding fixing rings 2 are connected with the plastic external protective sleeve 1 in a sliding manner, the sliding performance is more stable, the auxiliary sliding fixing rings 2 can better slide on the outer part of the plastic external protective sleeve 1, a copper mesh woven protective layer 3 is arranged inside the plastic external protective sleeve 1, an anti-aging protection main layer 4 is arranged inside the copper mesh woven protective layer 3, an insulated cable main body 5 is arranged inside the anti-aging protection main layer 4, an insulated protection main layer 6 is arranged outside the insulated cable main body 5, the insulated protection performance can be better guaranteed, an installation inner core sleeve 7 is arranged inside the insulated protection main layer 6, and a cable internal protection frame 8 is arranged inside the installation inner core sleeve 7, the installation performance of cable is more stable, and the inside of the inside protection frame 8 of cable is provided with cable fixed mounting groove 9, and cable fixed mounting groove 9 is provided with four, and four cable fixed mounting grooves 9 distribute in proper order, and the internally mounted of four cable fixed mounting grooves 9 has the inside branch core 12 of cable, and the performance of cable is more stable, and overall structure is simple, and the practicality is higher.
Further, the inside outside of dividing core 12 of cable is provided with tensile protection cable cover 11, and the inside of core cover 7 is provided with cable packing soft material 10 in the installation, and inside protection frame 8 of cable includes central support stabilizing block 13, semi-circular fixed block 14, vertical support mobile jib 15, the fixed separation blade 16 of arc and fixed protection soft cover 17, and the protective properties is more perfect, can not take place the matter along with the increase of live time and become, and is more perfect.
Further, the inside protection frame 8's of cable intermediate position department is provided with center support stabilizing block 13, center support stabilizing block 13's outside is provided with semi-circular fixed block 14, and semi-circular fixed block 14 is provided with four, vertical braces mobile jib 15 is all installed in four semi-circular fixed block 14's the outside, and semi-circular fixed block 14 is a body structure with center support stabilizing block 13 and vertical braces mobile jib 15, structural stability is better, can not warp easily, can not take place the matter along with the increase of live time and become, stereo set cable performance.
Further, one end of the vertical supporting main rod 15 is provided with four arc-shaped fixed blocking pieces 16, the four arc-shaped fixed blocking pieces 16 are provided, the two ends of the four arc-shaped fixed blocking pieces 16 are respectively provided with a fixed protective soft sleeve 17, the fixed protective soft sleeves 17 are connected with the arc-shaped fixed blocking pieces 16 in a sticking mode, the material range of the connecting piece is wide, the weight is light after connection, the utilization rate of materials is high, the cost is low, stress concentration on all the gluing surfaces is small, and therefore good sealing performance, insulating performance and corrosion resistance are achieved.
Further, all be provided with fixed slot 18 between the adjacent vertical braces mobile jib 15, and fixed slot 18 is provided with four, guarantee fixed mounting's that can be better stability can to also can promote the transmission performance of cable.
Further, inside branch core 12 of cable includes high temperature resistant lag 19, inside insulating protective sheath 20 and copper core line main part 21, the internally mounted of high temperature resistant lag 19 has inside insulating protective sheath 20, can be better high temperature resistant, and guarantee inside insulating properties, the internally mounted of inside insulating protective sheath 20 has copper core line main part 21, copper core line main part 21 is provided with a plurality of, and a plurality of copper core line main part 21 distributes in proper order, can effectively ensure the performance of cable, electric conductivity and electrically conductive stability can both obtain fine guarantee.
Further, install the soft material 24 of second packing between inside insulating protective sheath 20 and the copper core main part 21, the outside of copper core main part 21 is provided with irradiation crosslinked polyolefin cover 22, and irradiation crosslinked polyolefin cover 22's internally mounted has copper core 23, and crosslinked polyolefin is through irradiation crosslinked back, and the extension is being able to bear or endure oil, cold-resistant, the aspect performance such as anti-cracking has promoted a lot than ordinary polyolefin, can satisfy the use under the harsher environment.
Further, supplementary slip retainer plate 2 includes the wear-resisting cover 25 of antiskid, fixed sliding ring 26, fixed lug 27 and fixed cover 28, the wear-resisting cover 25 of antiskid is installed in the outside of fixed sliding ring 26, and the wear-resisting cover 25 of antiskid is pasted with fixed sliding ring 26 and is connected, the inner wall of fixed sliding ring 26 is provided with fixed lug 27, fixed lug 27 is provided with four, and four fixed lugs 27 distribute in proper order, fixed lug 27 and fixed sliding ring 26 structure as an organic whole, the stability of structure is higher, stability when can effectively ensure to slide, the inside of fixed sliding ring 26 is provided with fixed cover 28, can be better fix plastics outside protective sheath 1.
The working principle is as follows: when the cable protection device is used, the plastic external protection sleeve 1 can better guarantee the integral protection performance of the cable, the auxiliary sliding fixing ring 2 can be moved according to needs when the cable is installed, the auxiliary sliding fixing ring 2 can fix the plastic external protection sleeve 1 to a certain degree to avoid wire explosion, the cable internal protection frame 8 can better avoid friction inside the cable, the installation stability performance of the cable is better guaranteed, the working performance is more stable, the copper mesh woven protection layer 3 can better protect the insulated cable main body 5 to avoid the increase of the use time, or when the plastic external protection sleeve 1 is carelessly damaged, the service performance of the cable is influenced, the anti-aging protection main layer 4 can avoid the overlong use time, the cable is aged, the insulated protection main layer 6 has certain insulation performance to guarantee the safety performance to a certain degree, through being provided with semi-circular fixed block 14, can make vertical support mobile jib 15 more stable, can not take place to warp easily, fixed protection soft cover 17 can effectively protect the closed angle at arc fixed catch 16 both ends, avoid causing the damage to the protective layer of cable, irradiation cross-linking polyolefin cover 22 ordinary polyolefin is extending, resistant oil, cold-resistant, the aspect performance such as preventing ftractureing has promoted a lot, can satisfy the use under the harsher environment, cable filling soft material 10 and second are filled soft material 24 and can be effectively filled the space, guarantee high temperature resistant performance and insulating nature of guarantee that the inside stability of guarantee cable installation can be better of high temperature resistant lag 19 and internal insulation protective sheath 20, fixed lug 27 can increase the gliding frictional force of supplementary slip retainer plate 2 to a certain extent, avoid becoming flexible.
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. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A ceramic fireproof and fire-resistant polyolefin insulated cable, comprising a plastic outer protective sheath (1), characterized in that: the anti-aging plastic outer protective sleeve is characterized in that two sides of the outer part of the plastic outer protective sleeve (1) are respectively provided with an auxiliary sliding fixing ring (2), the auxiliary sliding fixing rings (2) are connected with the plastic outer protective sleeve (1) in a sliding manner, the inner part of the plastic outer protective sleeve (1) is provided with a copper mesh woven protective layer (3), the inner part of the copper mesh woven protective layer (3) is provided with an anti-aging protective main layer (4), the inner part of the anti-aging protective main layer (4) is provided with an insulated cable main body (5), the outer part of the insulated cable main body (5) is provided with an insulated protective main layer (6), the inner part of the insulated protective main layer (6) is provided with an installation inner core sleeve (7), the inner part of the installation inner core sleeve (7) is provided with a cable inner protective frame (8), the inner part of the cable inner protective frame (8) is provided, and four cable fixed mounting grooves (9) are distributed in sequence, and four cable internal branch cores (12) are arranged in the cable fixed mounting grooves (9).
2. A ceramicized fire-resistant and fire-resistant polyolefin insulated cable according to claim 1, wherein: the cable is inside to divide the outside of core (12) to be provided with tensile protection cable cover (11), the inside of core cover (7) is provided with cable packing soft material (10) in the installation, inside protection frame (8) of cable is including central support stabilizing block (13), semi-circular fixed block (14), vertical support mobile jib (15), fixed separation blade of arc (16) and fixed protection soft cover (17).
3. A ceramicized fire-resistant and fire-resistant polyolefin insulated cable according to claim 2, wherein: the utility model discloses a cable protection device, including cable inside protection frame (8), the intermediate position department of cable inside protection frame (8) is provided with central support stabilizing block (13), the outside of central support stabilizing block (13) is provided with semi-circular fixed block (14), and semi-circular fixed block (14) are provided with four, four vertical braces mobile jib (15) are all installed in the outside of semi-circular fixed block (14), and semi-circular fixed block (14) are a body structure with central support stabilizing block (13) and vertical braces mobile jib (15).
4. A ceramicized fire-resistant and fire-resistant polyolefin insulated cable according to claim 2, wherein: the one end of vertical support mobile jib (15) is provided with fixed separation blade of arc (16), and fixed separation blade of arc (16) is provided with four, four fixed soft cover of protection (17) is all installed at the both ends of the fixed separation blade of arc (16), and fixed soft cover of protection (17) is pasted with fixed separation blade of arc (16) and is connected.
5. A ceramicized fire-resistant and fire-resistant polyolefin insulated cable according to claim 2, wherein: and four fixing clamping grooves (18) are formed between every two adjacent vertical supporting main rods (15).
6. A ceramicized fire-resistant and fire-resistant polyolefin insulated cable according to claim 1, wherein: inside branch core (12) of cable is including high temperature resistant lag (19), internal insulation protective sheath (20) and copper core line main part (21), the internally mounted of high temperature resistant lag (19) has internal insulation protective sheath (20), the internally mounted of internal insulation protective sheath (20) has copper core line main part (21), and copper core line main part (21) are provided with a plurality of, and a plurality of copper core line main part (21) distribute in proper order.
7. A ceramicized, fire-resistant and fire-resistant polyolefin insulated cable according to claim 6, wherein: install the second between internal insulation protective sheath (20) and copper core main part (21) and fill soft material (24), the outside of copper core main part (21) is provided with irradiation cross-linking polyolefin cover (22), the internally mounted of irradiation cross-linking polyolefin cover (22) has copper core (23).
8. A ceramicized fire-resistant and fire-resistant polyolefin insulated cable according to claim 1, wherein: supplementary slip retainer plate (2) are including wear-resisting cover of antiskid (25), fixed sliding ring (26), fixed lug (27) and fixed cover (28), wear-resisting cover of antiskid (25) is installed in the outside of fixed sliding ring (26), and wear-resisting cover of antiskid (25) and fixed sliding ring (26) paste and be connected, the inner wall of fixed sliding ring (26) is provided with fixed lug (27), and fixed lug (27) are provided with four, and four fixed lug (27) distribute in proper order, fixed lug (27) and fixed sliding ring (26) structure as an organic whole, the inside of fixed sliding ring (26) is provided with fixed cover (28).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910976948.3A CN110648791A (en) | 2019-10-15 | 2019-10-15 | Ceramic fireproof and fire-resistant polyolefin insulated cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910976948.3A CN110648791A (en) | 2019-10-15 | 2019-10-15 | Ceramic fireproof and fire-resistant polyolefin insulated cable |
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| CN110648791A true CN110648791A (en) | 2020-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436456A (en) * | 2020-11-17 | 2021-03-02 | 江苏格瑞塑胶有限公司 | High and low temperature resistant anti-aging MPP pipe |
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2019
- 2019-10-15 CN CN201910976948.3A patent/CN110648791A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436456A (en) * | 2020-11-17 | 2021-03-02 | 江苏格瑞塑胶有限公司 | High and low temperature resistant anti-aging MPP pipe |
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