CN213519326U - A New Flexible Inorganic Mineral Insulated Cable - Google Patents
A New Flexible Inorganic Mineral Insulated Cable Download PDFInfo
- Publication number
- CN213519326U CN213519326U CN202023079559.8U CN202023079559U CN213519326U CN 213519326 U CN213519326 U CN 213519326U CN 202023079559 U CN202023079559 U CN 202023079559U CN 213519326 U CN213519326 U CN 213519326U
- Authority
- CN
- China
- Prior art keywords
- compression
- layer
- resistant
- cable
- inorganic mineral
- 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.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
本实用新型的一种新型柔性无机矿物绝缘电缆，属于电缆技术领域，包括多根缆芯以及包裹在多根缆芯外侧的防火层，防火层的外侧由内向外依次包裹有绕包层、缓冲层以及外护套；防火层的内部设有抗压骨架，该抗压骨架的横截面为六边形结构，抗压骨架的外表面设有六个呈圆周分布的抗压件，每个抗压件远离抗压骨架的一端均设有弧形抵触板，抗压件的横截面为椭圆结构；抗压件的内部设有三根等间距设置的纤维加强芯。本实用新型通过防火层、玻璃丝纤维绳、绕包层采用玻纤带绕包层以及缓冲条为丁腈聚氯乙烯复合物阻燃弹性体，能够提高本电缆的防火、阻燃性能，纤维加强芯、抗压件以及缓冲条均能够提高电缆的抗拉性能以及柔性性能。
The utility model relates to a novel flexible inorganic mineral insulated cable, belonging to the technical field of cables, comprising a plurality of cable cores and a fireproof layer wrapped on the outside of the plurality of cable cores. layer and outer sheath; the interior of the fireproof layer is provided with a compression skeleton, the cross section of the compression skeleton is a hexagonal structure, and the outer surface of the compression skeleton is provided with six circumferentially distributed compression parts. The end of the compression piece away from the compression-resistant frame is provided with an arc-shaped abutting plate, and the cross-section of the compression-resistant member is an elliptical structure; the interior of the compression-resistant member is provided with three fiber reinforced cores arranged at equal intervals. In the utility model, the fireproof layer, the glass fiber rope, the wrapping layer adopt the glass fiber tape wrapping layer and the buffer strip to be a nitrile polyvinyl chloride compound flame-retardant elastomer, which can improve the fireproof and flame-retardant properties of the cable, and the fiber-reinforced core, Compression parts and buffer strips can improve the tensile performance and flexibility of the cable.
Description
Technical Field
The utility model relates to the technical field of cables, a novel flexible inorganic mineral insulated cable specifically says.
Background
How to reduce casualties of various fire-fighting facilities and losses of lives and properties under the condition of sudden fire is a subject of normal power supply, rapid fire extinguishment and continuous exploration of people within a certain time. In a fire environment, it is important to ensure the smoothness of power supply and distribution and communication and to maximally win the precious time for maintaining the power supply of the line.
Traditional cable fire prevention, fire behaviour is relatively poor, after the conflagration takes place, can not guarantee the normal power supply of circuit, lead to the motor, emergency lighting, automatic alarm and the unable normal work of emergency system, it is extremely difficult to make rescue mediation work, and current cable is not enough to the protection of sinle silk in the cable, lead to cable life weak point at the conflagration, when conflagration or other disasters take place, make the cable receive the extrusion of external force and take place to damage easily, the normal use to the cable has brought the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel flexible inorganic mineral insulated cable to traditional cable fire behavior is poor and to the not enough technical problem of protection of sinle silk in the cable among the solution prior art.
The technical scheme of the utility model is that: including many cable cores and parcel flame retardant coating in many cable core outsides, wherein: the outer side of the fireproof layer is sequentially wrapped with a wrapping layer, a buffer layer and an outer sheath from inside to outside;
each cable core comprises a plurality of twisted tin-plated annealed soft copper conductors and a mica fire-resistant layer wrapped outside the plurality of tin-plated annealed soft copper conductors, and a composite insulating layer is wrapped outside the mica fire-resistant layer;
a compression-resistant framework is arranged inside the fireproof layer, the cross section of the compression-resistant framework is of a hexagonal structure, six compression-resistant pieces which are distributed in the circumferential direction are arranged on the outer surface of the compression-resistant framework, an arc-shaped touch panel is arranged at one end, away from the compression-resistant framework, of each compression-resistant piece, the compression-resistant frameworks and the arc-shaped touch panels are all made of TPU elastic materials, and the cross section of each compression-resistant piece is of an oval structure;
three fiber reinforced cores which are arranged at equal intervals are arranged inside the compression resistant piece;
the fire-proof layer is filled with filler.
Furthermore, the outside of buffer layer is equipped with a plurality of buffer strips that are the circumference and distribute, and buffer strip is semi-circular structure, the inner wall of oversheath is equipped with the cushion chamber that a plurality of confession buffer strips were deposited, and is a plurality of buffer strip respectively with a plurality of cushion chamber one-to-one, buffer strip is butyronitrile polyvinyl chloride complex flame retardant elastomer.
Furthermore, in order to further improve the tensile property of the cable, a plurality of stainless steel wires which are distributed circumferentially are arranged in the buffer layer.
Furthermore, the buffer layer adopts a soft silicon rubber layer.
Further, in order to further improve the flame retardant property and the fireproof property of the cable, the outer sheath is a low-smoke halogen-free high-flame-retardant polyolefin outer sheath.
Furthermore, the wrapping layer is made of glass fiber tape.
Further, the filler is a glass fiber rope.
The utility model discloses an improve and provide a novel flexible inorganic mineral insulated cable here, compare with prior art, have following improvement and advantage:
one of which, the utility model provides a pair of novel flexible inorganic mineral insulated cable has the fire behavior and the fire behaviour of preferred, through flame retardant coating, glass silk cordage, adopt the glass fiber tape around the covering for butyronitrile polyvinyl chloride complex flame retardant elastomer around covering and buffering strip, can play fire prevention, fire-retardant effect to the cable to solve among the prior art traditional cable fire behavior poor technical problem.
Secondly, the novel flexible inorganic mineral insulated cable provided by the utility model can protect the cable inner core, the compression resistant part can play a compression resistant role when the cable is extruded, and the cable is made of elastic material and can play a buffering and damping role on the cable core of the cable, the arc-shaped touch panel can increase the contact area with the fireproof layer to improve the compression resistant effect of the compression resistant part, the compression resistant part is of an oval structure, and the advantages of the compression resistant part are that the middle part of the compression resistant part is wide, the two ends of the compression resistant part are narrow, so that the compression resistant part is not easy to break, and the pressure bearing performance of the compression resistant part is further improved; the tensile property and the flexibility of cable can be improved to the fibre reinforced core, and when the cable received external force extrusion, buffering strip, buffer layer homoenergetic cushioned and the shock attenuation to solve among the prior art not enough technical problem of protection to sinle silk in the cable.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Description of reference numerals:
1. a cable core; 11. tin-plated annealed soft copper conductors; 12. a mica refractory layer; 13. a composite insulating layer; 2. a fire barrier layer; 3. wrapping a covering; 4. a buffer layer; 41. a buffer strip; 42. stainless steel wire; 5. an outer sheath; 6. a compression-resistant framework; 61. a compression resistant part; 62. an arc-shaped touch panel; 63. a fiber-reinforced core; 7. and (4) filling materials.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 2, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an improve and provide a novel flexible inorganic mineral insulated cable here, as shown in fig. 1-fig. 2, including many cable cores 1 and parcel flame retardant coating 2 in the 1 outside of many cable cores, wherein: the outer side of the fireproof layer 2 is sequentially wrapped with a wrapping layer 3, a buffer layer 4 and an outer sheath 5 from inside to outside;
each cable core 1 comprises a plurality of twisted tin-plated annealed soft copper conductors 11 and a mica fire-resistant layer 12 wrapped outside the plurality of tin-plated annealed soft copper conductors 11, and a composite insulating layer 13 is wrapped outside the mica fire-resistant layer 12;
the interior of the fireproof layer 2 is provided with a compression-resistant framework 6, the cross section of the compression-resistant framework 6 is of a hexagonal structure, the outer surface of the compression-resistant framework 6 is provided with six compression-resistant pieces 61 which are distributed in the circumferential direction, one end of each compression-resistant piece 61, which is far away from the compression-resistant framework 6, is provided with an arc-shaped touch panel 62, each compression-resistant piece 61, each compression-resistant framework 6 and each arc-shaped touch panel 62 are made of TPU elastic materials, and the cross section of each compression-resistant piece 61 is; the compression-resistant piece 61 can resist compression when the cable is extruded, is made of elastic materials and can buffer and absorb shock of the cable core 1 of the cable, the arc-shaped touch panel 62 can increase the contact area with the fireproof layer 2 to improve the compression-resistant effect of the compression-resistant piece 61, and the compression-resistant piece 61 is of an oval structure and has the advantages that the middle part of the compression-resistant piece 61 is wide, the two ends of the compression-resistant piece 61 are narrow, so that the compression-resistant piece is not easy to break, and the pressure-bearing performance of the compression-resistant piece 61 is further improved;
three fiber reinforced cores 63 arranged at equal intervals are arranged inside the compression resistant piece 61; the center of the pressure-resistant framework 6 is also provided with a fiber reinforced core 63, and the fiber reinforced core 63 can improve the tensile property and the flexibility of the cable.
The interior of the fireproof layer 2 is filled with filler 7; the filler 7 can improve the roundness of the cable.
Specifically, a plurality of buffer strips 41 which are circumferentially distributed are arranged on the outer side of the buffer layer 4, the buffer strips 41 are of a semicircular structure, a plurality of buffer cavities for storing the buffer strips 41 are formed in the inner wall of the outer sheath 5, the buffer strips 41 are respectively in one-to-one correspondence with the buffer cavities, and the buffer strips 41 are butyronitrile polyvinyl chloride composite flame-retardant elastomers; buffering strip 41 can play buffering, absorbing effect, and when the cable received external force extrusion, buffering strip 41 can cushion and the shock attenuation to can also play certain flame retardant efficiency when the conflagration, the cross section of buffering strip 41 is semi-circular structure, and is connected through the bonding mode between buffering strip 41 and the buffer layer 4.
In order to further improve the tensile property of the cable, specifically, a plurality of stainless steel wires 42 distributed circumferentially are arranged in the buffer layer 4.
Specifically, in order to further improve the buffering performance of the cable, the buffer layer 4 is a soft silicone rubber layer; the soft silicone rubber layer has better elasticity and can protect the cable core 1.
In order to further improve the flame retardant property and the fireproof property of the cable, specifically, the outer sheath 5 is a low-smoke halogen-free high-flame-retardant polyolefin outer sheath; the low-smoke halogen-free high-flame-retardant polyolefin outer sheath 5 has better flame retardant property and fireproof property.
Specifically, the wrapping layer 3 is a glass fiber tape wrapping layer; the glass fiber tape wrapping layer 3 has good flame retardant and heat insulation performance.
Specifically, the filler 7 is a glass fiber rope; the glass fiber rope has the advantages of high temperature resistance, good insulating property, strong heat resistance and high tensile strength.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a novel flexible inorganic mineral insulated cable, includes many cable cores (1) and parcel flame retardant coating (2) in many cable cores (1) outside, its characterized in that: the outer side of the fireproof layer (2) is sequentially wrapped with a wrapping layer (3), a buffer layer (4) and an outer sheath (5) from inside to outside;
each cable core (1) comprises a plurality of twisted tin-plated annealed soft copper conductors (11) and a mica fire-resistant layer (12) wrapped on the outer sides of the tin-plated annealed soft copper conductors (11), and the outer side of the mica fire-resistant layer (12) is wrapped with a composite insulating layer (13);
a compression-resistant framework (6) is arranged inside the fireproof layer (2), the cross section of the compression-resistant framework (6) is of a hexagonal structure, six compression-resistant pieces (61) which are distributed in a circumferential manner are arranged on the outer surface of the compression-resistant framework (6), an arc-shaped contact plate (62) is arranged at one end, away from the compression-resistant framework (6), of each compression-resistant piece (61), each compression-resistant framework (6) and each arc-shaped contact plate (62) are made of TPU elastic materials, and the cross section of each compression-resistant piece (61) is of an oval structure;
three fiber reinforced cores (63) which are arranged at equal intervals are arranged inside the compression resistant piece (61);
the interior of the fireproof layer (2) is filled with filler (7).
2. The novel flexible inorganic mineral insulated cable of claim 1, characterized in that: the outside of buffer layer (4) is equipped with a plurality of buffer strip (41) that are the circumference and distribute, and buffer strip (41) are semi-circular structure, the inner wall of oversheath (5) is equipped with a plurality of cushion chambers that supply buffer strip (41) to deposit, and is a plurality of buffer strip (41) respectively with a plurality of cushion chamber one-to-one, buffer strip (41) are butyronitrile polyvinyl chloride complex flame retardant elastomer.
3. The novel flexible inorganic mineral insulated cable of claim 2, characterized in that: a plurality of stainless steel wires (42) which are distributed in the circumferential direction are arranged in the buffer layer (4).
4. The novel flexible inorganic mineral insulated cable of claim 2, characterized in that: the buffer layer (4) is a soft silicon rubber layer.
5. The novel flexible inorganic mineral insulated cable of claim 1, characterized in that: the outer sheath (5) is a low-smoke halogen-free high-flame-retardant polyolefin outer sheath.
6. The novel flexible inorganic mineral insulated cable of claim 1, characterized in that: the wrapping layer (3) is a glass fiber tape wrapping layer.
7. The novel flexible inorganic mineral insulated cable of claim 1, characterized in that: the filler (7) is a glass fiber rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023079559.8U CN213519326U (en) | 2020-12-18 | 2020-12-18 | A New Flexible Inorganic Mineral Insulated Cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023079559.8U CN213519326U (en) | 2020-12-18 | 2020-12-18 | A New Flexible Inorganic Mineral Insulated Cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213519326U true CN213519326U (en) | 2021-06-22 |
Family
ID=76428294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023079559.8U Active CN213519326U (en) | 2020-12-18 | 2020-12-18 | A New Flexible Inorganic Mineral Insulated Cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213519326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725856A (en) * | 2022-05-03 | 2022-07-08 | 江苏上诚电缆有限公司 | Fire-resistant RVV cable protective layer |
-
2020
- 2020-12-18 CN CN202023079559.8U patent/CN213519326U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725856A (en) * | 2022-05-03 | 2022-07-08 | 江苏上诚电缆有限公司 | Fire-resistant RVV cable protective layer |
| CN114725856B (en) * | 2022-05-03 | 2024-06-18 | 国网新疆电力有限公司奎屯供电公司 | A fire-resistant RVV cable protective layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112397239A (en) | Practical wire and cable of resistance to compression heat resistance | |
| CN213635496U (en) | Cross-linked polyethylene insulation low-smoke halogen-free flame-retardant fire-resistant power cable | |
| CN213519326U (en) | A New Flexible Inorganic Mineral Insulated Cable | |
| CN218471649U (en) | Environment-friendly fire-resistant power cable based on low-smoke halogen-free flame-retardant material | |
| CN210091771U (en) | Fire-resistant flame-retardant halogen-free cross-linked variable frequency cable | |
| CN103065707A (en) | Soft fireproof main power cable for high rise | |
| CN220774010U (en) | Flame-retardant fire-resistant cable | |
| CN218730045U (en) | High temperature resistant fireproof control cable | |
| CN214410851U (en) | a flame retardant cable | |
| CN214796816U (en) | Fire control is with insulating fire resisting cable of flexible mineral | |
| CN213691558U (en) | A new type of flame retardant power cable | |
| CN210722559U (en) | Power cable with aluminum core, crosslinked polyethylene, insulating steel strip and armored polyvinyl chloride sheath | |
| CN210039742U (en) | Fire-resistant cable with crosslinked polyethylene insulating steel strip armored polyvinyl chloride sheath | |
| CN215265661U (en) | A flame retardant PVC insulated steel tape armored power cable | |
| CN220252918U (en) | Fire-resistant tensile multicore power cable | |
| CN217933208U (en) | Anti-interference cable | |
| CN222106318U (en) | A low-smoke flame-resistant cable | |
| CN215911229U (en) | A high temperature resistant and water resistant composite cable | |
| CN220856184U (en) | Hoisting fire-resistant power cable | |
| CN220155200U (en) | An insulated fire-resistant cable | |
| CN216119612U (en) | Anticorrosive tensile fire-retardant copper core sheathed wire | |
| CN216817875U (en) | BV type copper core polyvinyl chloride insulated wire safety protection structure | |
| CN222300348U (en) | A low temperature resistant polyvinyl chloride fireproof cable | |
| CN221551537U (en) | Inorganic mineral insulated cable | |
| CN214175751U (en) | Insulating flame-retardant fire-resistant medium-voltage cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20251118 Granted publication date: 20210622 |