CN207833944U - A kind of flexible mineral insulation fireproof cable - Google Patents
A kind of flexible mineral insulation fireproof cable Download PDFInfo
- Publication number
- CN207833944U CN207833944U CN201820149148.5U CN201820149148U CN207833944U CN 207833944 U CN207833944 U CN 207833944U CN 201820149148 U CN201820149148 U CN 201820149148U CN 207833944 U CN207833944 U CN 207833944U
- Authority
- CN
- China
- Prior art keywords
- rubber composite
- silicon rubber
- ceramic silicon
- layer
- coated
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
This application discloses a kind of flexible mineral insulation fireproof cables, including copper conductor, the first mica belt, the second mica belt, the first Ceramic silicon rubber composite tape layers, the second Ceramic silicon rubber composite tape layers, the first low smoke and zero halogen belting layer, third Ceramic silicon rubber composite tape layers, the second low smoke and zero halogen belting layer and the oversheath being sequentially arranged from inside to outside；Pass through the optimizing of cable internal structure design, the optimization of the optimization of material of each structure sheaf and production technology, various optimizations be combined with each other so that the cable is under the premise of with excellent fire resisting fire protecting performance, also have preferable flexible, it is flexible, production length is longer, can use the commonly used equipment production in cable industry, simple production process, mounting and installation is convenient and efficient etc., disclosure satisfy that the market demand.
Description
Technical field
The utility model is related to field of cable technology, more particularly, to a kind of flexible mineral insulation fireproof cable.
Background technology
Mineral insulated cable abbreviation MI cables, including copper conductor, mineral insulation material and copper sheath, three of the above knot
The material of structure is inorganic material, determines that the mineral insulated cable has unrivaled excellent fire protecting performance, at present mine
Object insulated cable is widely used in the fields such as skyscraper, petrochemical industry, airport, tunnel, offshore oil platform, aerospace
It closes.
Mineral insulated cable is while with excellent fire protecting performance, it may have some apparent disadvantages：Cable rigidity
Greatly, not flexible, production length is shorter, while production equipment needs special equipment, and production technology is complicated, and mounting and installation difficulty etc. is asked
Topic, disadvantage mentioned above seriously constrain the expansion of the use scope of mineral insulated cable.By analysis, disadvantages mentioned above is exhausted by mineral
It is geneogenous disadvantage caused by the structure and production technology of edge cable itself.Disadvantages mentioned above is solved, it just must be from electricity
Structure, the production technology of cable, which are set out, to be improved.Flexible mineral insulation fireproof cable is aiming at disadvantage mentioned above by constantly changing
And then a kind of fireproof cable of utility model, the flexible mineral insulation fireproof cable is before ensureing to have excellent fire protecting performance
It puts, also there is higher flexibility and higher uses voltage class, and simple production process simultaneously, mounting and installation side
Just, to solve inadequate natural endowment existing for above-mentioned conventional mineral insulated cable.
Currently, flexible mineral insulation fireproof cable has no national standard or professional standard, Some Domestic cable enterprise is to flexible mine
Object insulated cable study and promoted, and relevant design unit and user also gradually start to receive such flexibility
Mineral insulated cable.The considerations of for economic profit, the flexible mineral insulation fireproof cable have become one in industry
A hot spot product.
Utility model content
The purpose of this utility model is to provide a kind of flexible mineral insulation fireproof cables.
In order to solve the above technical problems, technical solution provided by the utility model is：
A kind of flexible mineral insulation fireproof cable, including copper conductor, the first mica belt, the second mica belt, the first pottery
Porcelain SiClx rubber composite belt layer, the second Ceramic silicon rubber composite tape layers, the first low smoke and zero halogen belting layer, third ceramics SiClx rubber
Glue composite tape layers, the second low smoke and zero halogen belting layer and oversheath；
The copper conductor, the first mica belt, the second mica belt, the first Ceramic silicon rubber composite tape layers, the second pottery
Porcelain SiClx rubber composite belt layer, the first low smoke and zero halogen belting layer, third Ceramic silicon rubber composite tape layers, the second low smoke and zero halogen packet
Belt and oversheath are sequentially arranged from inside to outside in the cable；
The first mica belt is coated with the copper conductor, and the second mica belt is coated with first mica tape
Layer, the first Ceramic silicon rubber composite tape layers are coated with the second mica belt, and second Ceramic silicon rubber is multiple
Crossed belt layer is coated with the first Ceramic silicon rubber composite tape layers, and the first low smoke and zero halogen belting layer is coated with described second
Ceramic silicon rubber composite tape layers, the third Ceramic silicon rubber composite tape layers are coated with the first low smoke and zero halogen band
Layer, the second low smoke and zero halogen belting layer are coated with the third Ceramic silicon rubber composite tape layers, and the oversheath is coated with
The second low smoke and zero halogen belting layer.
Preferably, the copper conductor is annealed copper conductor.
Preferably, when flexible mineral insulation fireproof cable includes at least two cable core, between at least two cable cores between
Filler in gap is the glass cord coated with inorganic mineral mud.
Preferably, with the second mica belt to be that synthetic mica tape is wrapped form the first mica belt.
Preferably, further include inner sheath and wrapped steel-tape armouring layer, the inner sheath and steel-tape armouring layer are in electricity
It is sequentially arranged from inside to outside in cable, the inner sheath and steel-tape armouring layer are located at the second low smoke and zero halogen belting layer and outer shield
Between set, the inner sheath is coated with the second low smoke and zero halogen belting layer, and the steel-tape armouring layer is wrapped to be coated in described
Sheath, the oversheath are coated with the steel-tape armouring layer；
It is in the spaced apart minute surface silverskin of striated that several are coated on the inner surface of steel band in the steel-tape armouring layer,
The length direction of every minute surface silverskin is parallel with the length direction of the steel band.
The application has beneficial technique effect below：
1. copper conductor uses annealed copper conductor so that cable has good electric conductivity.
2. fire lagging is using successively wrapped 2 stratus master tape and 2 layers of Ceramic silicon rubber composite band, pottery in the application
Porcelain SiClx rubber composite belt can be crusted under the conditions of 350 DEG C~3000 DEG C and the above flame or nonflame by Low fire ceramic mass shell
Performance is good, fireproof is had excellent performance；The excellent spring of mica tape and Ceramic silicon rubber composite band, wrapped compactness and
Sealing performance is excellent；The cable of Ceramic silicon rubber composite band, fire resistance rating is used to can reach GB/T in refractory insulating layer
12666.6 A grade standards, i.e., burn 90min in 950 DEG C~1000 DEG C flame, and 3A fuses do not fuse；2 stratus master tapes exist
Outside, 2 stratus including 2 layers of Ceramic silicon rubber composite band outside are coated with are female for interior and 2 layers of Ceramic silicon rubber composite band
Band solves the problems, such as that mica tape embrittlement is caducous when cable meets fire.
3. using the first low smoke and zero halogen belting layer, third Ceramic silicon rubber composite tape layers and the second low cigarette in the application
The multiple-layer stacked interlayer structure of Halogen belting layer is as fireprotection layer, when encountering fire, is located at intermediate third Ceramic silicon rubber
Composite tape layers ceramic crust, be located inside and outside low smoke and zero halogen belting layer effectively blocking flame while can play in
Between ceramic crust the effect of support is fixed.
4. stranding filler uses inorganic mineral or inorganic glass fiber, inorganic mineral or inorganic glass fiber in the application
With good high/low temperature chemical stability, and to the corrosion-free effect of copper conductor.
5. oversheath uses low-smoke and halogen-free flame retardant polyolefin jacket material in the application, there is excellent anti-flammability, machinery
Performance and the feature of environmental protection.
6. the application improves fireproofing of cable structure and fire proofing material design, the filler in cable core gap uses nothing
Machine mineral or inorganic glass fiber, and it is compound by the first low smoke and zero halogen belting layer, third Ceramic silicon rubber in cable core outer cladding
The multiple-layer stacked interlayer structure fireprotection layer that belt and the second low smoke and zero halogen belting layer are constituted, it is excellent to make the cable have
Fire protecting performance can pass through BS-6387《The cable performance requirement of circuit integrality is maintained under flame condition》C, W, Z fire prevention examination
It tests.
To sum up, this application discloses a kind of flexible mineral insulation fireproof cable, by the optimization of cable internal structure design,
The optimization of material of each structure sheaf and the optimization of production technology, various optimizations be combined with each other so that the cable is with excellent
Fire resisting fire protecting performance under the premise of, also have preferable flexible, flexible, production length is longer, can use in cable industry
Commonly used equipment produces, simple production process, and mounting and installation is convenient and efficient etc., disclosure satisfy that the market demand.
Description of the drawings
Fig. 1 is that a kind of lateral sectional structure for flexible mineral insulation fireproof cable that the embodiments of the present invention provide shows
It is intended to.
In figure：1 copper conductor, 2 first mica belts, 3 second mica belts, 4 first Ceramic silicon rubber composite tape layers, 5
Second Ceramic silicon rubber composite tape layers, 6 first low smoke and zero halogen belting layers, 7 third Ceramic silicon rubber composite tape layers, 8 second
Low smoke and zero halogen belting layer, 9 oversheaths.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be understood that term "center", " axial direction ", " radial direction ", " longitudinal direction ", " cross
To ", " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outside", " clockwise ",
The orientation or positional relationship of instructions such as " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing
The utility model and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Referring to Fig.1, Fig. 1 is that a kind of transverse direction for flexible mineral insulation fireproof cable that the embodiments of the present invention provide is cutd open
Depending on structural schematic diagram.
This application provides a kind of flexible mineral insulation fireproof cables, including copper conductor 1, the first mica belt 2, the second cloud
Master tape layer 3, the first Ceramic silicon rubber composite tape layers 4, the second Ceramic silicon rubber composite tape layers 5, the first low smoke and zero halogen band
Layer 6, third Ceramic silicon rubber composite tape layers 7, the second low smoke and zero halogen belting layer 8 and oversheath 9；
The copper conductor 1, the first mica belt 2, the second mica belt 3, the first Ceramic silicon rubber composite tape layers 4,
Two Ceramic silicon rubber composite tape layers 5, the first low smoke and zero halogen belting layer 6, third Ceramic silicon rubber composite tape layers 7, second are low
Cigarette Halogen belting layer 8 and oversheath 9 are sequentially arranged from inside to outside in the cable；
The first mica belt 2 is coated with the copper conductor 1, and the second mica belt 3 is coated with first cloud
Master tape layer 2, the first Ceramic silicon rubber composite tape layers 4 are coated with the second mica belt 3, the described second ceramic SiClx
Rubber composite belt layer 5 is coated with the first Ceramic silicon rubber composite tape layers 4, and the first low smoke and zero halogen belting layer 6 coats
The second Ceramic silicon rubber composite tape layers 5, it is low that the third Ceramic silicon rubber composite tape layers 7 are coated with described first
Cigarette Halogen belting layer 6, the second low smoke and zero halogen belting layer 8 is coated with the third Ceramic silicon rubber composite tape layers 7, described
Oversheath 9 is coated with the second low smoke and zero halogen belting layer 8.
In one embodiment of the application, the copper conductor 1 is annealed copper conductor.
In one embodiment of the application, when flexible mineral insulation fireproof cable includes at least two cable core, at least
The filler in gap between two cable cores is the glass cord coated with inorganic mineral mud；
Cable core herein is by copper conductor, the first mica belt, the second mica belt, the first Ceramic silicon rubber composite band
Layer, the second Ceramic silicon rubber composite tape layers are constituted, when successively coating the first mica belt, the second mica tape on copper conductor
What is obtained this moment after layer, the first Ceramic silicon rubber composite tape layers, the second Ceramic silicon rubber composite tape layers is cable core.
In one embodiment of the application, the first mica belt 2 is that synthetic mica tape is wrapped with the second mica belt 3
It forms.
In one embodiment of the application, the first low smoke and zero halogen belting layer 6 and the second low smoke and zero halogen belting layer 8 are
High stop band is wrapped to be formed.
In one embodiment of the application, the oversheath 9 is low-smoke and halogen-free flame retardant polyolefin jacket material, preferably
The oversheath 9 is low-smoke non-halogen flame-retardant polyethylene material.
In one embodiment of the application, above-mentioned flexible mineral insulation fireproof cable further includes inner sheath and wrapped
Steel-tape armouring layer, the inner sheath and steel-tape armouring layer be sequentially arranged from inside to outside in the cable, the inner sheath and
For steel-tape armouring layer between the second low smoke and zero halogen belting layer 8 and oversheath 9, it is low that the inner sheath is coated with described second
Cigarette Halogen belting layer 8, the steel-tape armouring layer is wrapped to be coated with the inner sheath, and the oversheath 9 is coated with the steel band armour
Fill layer；
It is in the spaced apart minute surface silverskin of striated that several are coated on the inner surface of steel band in the steel-tape armouring layer,
The length direction of every minute surface silverskin is parallel with the length direction of the steel band；
In the application, the heat that the energization of copper conductor 1 generates mainly is transmitted with heat transfer and heat radiation, and heat radiation
Heat accounts for copper conductor 1 and is powered 50% or so of total quantity of heat production, and proportion is very big, if taken no action to, there is significant proportion
Heat can be transmitted in the atmospheric environment except cable in a manner of heat radiation, to cable cannot keep the temperature freeze proof, be got not
Easy heat will slattern easily, for this purpose, being provided with the steel band with minute surface silverskin herein, utilize the minute surface of minute surface silverskin
Reflection function reflects back heat radiation heat, and blocking heat is radiated in the atmospheric environment except cable, will be passed with heat radiation
The heat passed is stored in the inside of cable always；Furthermore the minute surface silverskin is located within oversheath 9, if the minute surface on steel band
Silverskin all reflects back most heat, that just can not effectively heat oversheath 9 freeze proof, cause in cable
It is hot outer cold, severe cold can not be still born, for this purpose, it is in striated arranged for interval, phase that minute surface silverskin is arranged to several by the application
It is the original steel strip surface for being not provided with coating between adjacent two minute surface silverskin so that heat radiation can extend there through, so that
Above-mentioned steel band part reflective thermal radiation, fractional transmission heat radiation, the area for rationally controlling minute surface silverskin account for length and width face in steel band
The ratio of area so that heat not only can as often as possible be stored in the inside of cable, but also can be carried out to oversheath 9 fully enough
Heating it is freeze proof so that the cable have preferable resistance to low temperature；
The preparation method of the steel band in steel-tape armouring layer is herein：By certain amount silver ammonia complex solution and as reduction
The aldehydes solution of agent is poured on the interior length and width face of steel band in striated arranged for interval and carries out silver mirror reaction, and silver ion is reduced heavy
It is in the spaced apart minute surface silverskin of striated that product is formed a plurality of on the interior length and width face of steel band.
Present invention also provides a kind of preparation methods of above-mentioned flexible mineral insulation fireproof cable, include the following steps：
1) copper monofilament is made through wire drawing and annealing in copper bar；
2) the copper monofilament for obtaining step 1) handles through process and copper conductor is made；
3) the first mica belt 2 is made by putting up wrapped mica tape on the copper conductor that step 2) obtains, then leads to again
It crosses and puts up wrapped mica tape the second mica belt 3 is made, be then made the by putting up wrapped Ceramic silicon rubber composite band again
Then the second ceramic SiClx is made by putting up wrapped Ceramic silicon rubber composite band again in one Ceramic silicon rubber composite tape layers 4
Rubber composite belt layer 5；
4) stranding：It is wrapped by putting up on the outer surface for the second Ceramic silicon rubber composite tape layers 5 that step 3) obtains
The first low smoke and zero halogen belting layer 6 is made in low smoke and zero halogen band, is then made again by putting up wrapped Ceramic silicon rubber composite band
Then the second low smoke and zero halogen band is made by putting up wrapped low smoke and zero halogen band again in third Ceramic silicon rubber composite tape layers 7
Layer 8；
5) oversheath 9 is extruded on the outer surface for the second low smoke and zero halogen belting layer 8 that step 4) obtains, is made soft after the completion
Property mineral insulated cable.
In one embodiment of the application, in step 3), put up it is wrapped in Duplication be not less than bandwidth 30%.
In one embodiment of the application, in step 4), stranding lay ratio is 33.
The application has beneficial technique effect below：
1. copper conductor 1 uses annealed copper conductor so that cable has good electric conductivity.
2. fire lagging is using successively wrapped 2 stratus master tape and 2 layers of Ceramic silicon rubber composite band, pottery in the application
Porcelain SiClx rubber composite belt can be crusted under the conditions of 350 DEG C~3000 DEG C and the above flame or nonflame by Low fire ceramic mass shell
Performance is good, fireproof is had excellent performance；The excellent spring of mica tape and Ceramic silicon rubber composite band, wrapped compactness and
Sealing performance is excellent；The cable of Ceramic silicon rubber composite band, fire resistance rating is used to can reach GB/T in refractory insulating layer
12666.6 A grade standards, i.e., burn 90min in 950 DEG C~1000 DEG C flame, and 3A fuses do not fuse；2 stratus master tapes exist
Outside, 2 stratus including 2 layers of Ceramic silicon rubber composite band outside are coated with are female for interior and 2 layers of Ceramic silicon rubber composite band
Band solves the problems, such as that mica tape embrittlement is caducous when cable meets fire.
3. low using the first low smoke and zero halogen belting layer 6, third Ceramic silicon rubber composite tape layers 7 and second in the application
The multiple-layer stacked interlayer structure of cigarette Halogen belting layer 8 is as fireprotection layer, when encountering fire, is located at intermediate third ceramics SiClx rubber
8 ceramic of glue composite tape layers crusts, be located inside and outside low smoke and zero halogen band can be played pair while effectively blocking flame
The effect of support is fixed in intermediate ceramic crust.
4. stranding filler uses inorganic mineral or inorganic glass fiber, inorganic mineral or inorganic glass fiber in the application
With good high/low temperature chemical stability, and to the corrosion-free effect of copper conductor.
5. oversheath 9 uses low-smoke and halogen-free flame retardant polyolefin jacket material in the application, there is excellent anti-flammability, machinery
Performance and the feature of environmental protection.
6. the application improves fireproofing of cable structure and fire proofing material design, the filler in cable core gap uses nothing
Machine mineral or inorganic glass fiber, and it is compound by the first low smoke and zero halogen belting layer 6, third Ceramic silicon rubber in cable core outer cladding
The multiple-layer stacked interlayer structure fireprotection layer that belt 7 and the second low smoke and zero halogen belting layer 8 are constituted, it is excellent to make the cable have
Fire protecting performance, BS-6387 can be passed through《The cable performance requirement of circuit integrality is maintained under flame condition》C, W, Z fire prevention examination
It tests.
To sum up, this application discloses a kind of flexible mineral insulation fireproof cables and preparation method thereof, pass through cable internal junction
Structure design optimize, the optimization of the optimization of material of each structure sheaf and production technology, it is various optimization be combined with each other so that this
Cable also has preferable flexibility, flexible, production length is longer, can under the premise of with excellent fire resisting fire protecting performance
It is produced with the commonly used equipment in cable industry, simple production process, mounting and installation is convenient and efficient etc., it disclosure satisfy that market needs
It asks.
The method and apparatus of the not detailed description of the utility model are the prior art, are repeated no more.
Specific embodiment used herein is expounded the principles of the present invention and embodiment, the above implementation
The explanation of example is merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of this utility model, can also to the utility model carry out it is several
Improvement and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (5)
1. a kind of flexible mineral insulation fireproof cable, which is characterized in that including copper conductor, the first mica belt, the second mica tape
Layer, the first Ceramic silicon rubber composite tape layers, the second Ceramic silicon rubber composite tape layers, the first low smoke and zero halogen belting layer, third
Ceramic silicon rubber composite tape layers, the second low smoke and zero halogen belting layer and oversheath；
The copper conductor, the first mica belt, the second mica belt, the first Ceramic silicon rubber composite tape layers, the second ceramic
Silicon rubber composite tape layers, the first low smoke and zero halogen belting layer, third Ceramic silicon rubber composite tape layers, the second low smoke and zero halogen belting layer
And oversheath is sequentially arranged from inside to outside in the cable；
The first mica belt is coated with the copper conductor, and the second mica belt is coated with the first mica belt,
The first Ceramic silicon rubber composite tape layers are coated with the second mica belt, the second Ceramic silicon rubber composite band
Layer is coated with the first Ceramic silicon rubber composite tape layers, and the first low smoke and zero halogen belting layer is coated with second ceramics
SiClx rubber composite belt layer, the third Ceramic silicon rubber composite tape layers are coated with the first low smoke and zero halogen belting layer, institute
It states the second low smoke and zero halogen belting layer and is coated with the third Ceramic silicon rubber composite tape layers, the oversheath is coated with described
Two low smoke and zero halogen belting layers.
2. flexible mineral insulation fireproof cable according to claim 1, which is characterized in that the copper conductor is annealed copper
Conductor.
3. flexible mineral insulation fireproof cable according to claim 1, which is characterized in that when the anti-thermoelectricity of flexible mineral insulation
When cable includes at least two cable core, the filler in gap between at least two cable cores is the glass coated with inorganic mineral mud
Glass cordage.
4. flexible mineral insulation fireproof cable according to claim 1, which is characterized in that the first mica belt and
Two mica belts, which are that synthetic mica tape is wrapped, to be formed.
5. flexible mineral insulation fireproof cable according to claim 1, which is characterized in that further include inner sheath and wrapped
Steel-tape armouring layer, the inner sheath and steel-tape armouring layer be sequentially arranged from inside to outside in the cable, the inner sheath and
For steel-tape armouring layer between the second low smoke and zero halogen belting layer and oversheath, the inner sheath is coated with the described second low cigarette
Halogen belting layer, the steel-tape armouring layer is wrapped to be coated with the inner sheath, and the oversheath is coated with the steel-tape armouring layer；
Be coated on the inner surface of steel band in the steel-tape armouring layer several be in the spaced apart minute surface silverskin of striated, every
The length direction of the minute surface silverskin is parallel with the length direction of the steel band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149148.5U CN207833944U (en) | 2018-01-29 | 2018-01-29 | A kind of flexible mineral insulation fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149148.5U CN207833944U (en) | 2018-01-29 | 2018-01-29 | A kind of flexible mineral insulation fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207833944U true CN207833944U (en) | 2018-09-07 |
Family
ID=63395299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820149148.5U Active CN207833944U (en) | 2018-01-29 | 2018-01-29 | A kind of flexible mineral insulation fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207833944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335784A (en) * | 2018-01-29 | 2018-07-27 | 山东聚辰电缆有限公司 | A kind of flexible mineral insulation fireproof cable and preparation method thereof |
-
2018
- 2018-01-29 CN CN201820149148.5U patent/CN207833944U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335784A (en) * | 2018-01-29 | 2018-07-27 | 山东聚辰电缆有限公司 | A kind of flexible mineral insulation fireproof cable and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204087894U (en) | Fire-retardant fire insulation midium voltage cable | |
| CN201174272Y (en) | Soft conductor flame-retardant protective sleeve shielded power cable | |
| CN207833944U (en) | A kind of flexible mineral insulation fireproof cable | |
| CN207731716U (en) | A kind of high practicability fireproof cable | |
| CN209843308U (en) | Crosslinked polyethylene cable | |
| CN103794282A (en) | Power cable for nuclear power plant | |
| CN202736565U (en) | Power cable used for nuclear power station | |
| CN108335784A (en) | A kind of flexible mineral insulation fireproof cable and preparation method thereof | |
| CN208489039U (en) | A kind of tension flame-retardant fire-resistant power cable | |
| CN104681177A (en) | Novel fireproof cable and novel flexible multi-core fireproof pre-branch cable | |
| CN211319793U (en) | Polyvinyl chloride is insulating fixed wire cable for wiring | |
| CN210403300U (en) | Corrosion-resistant tensile fireproof power cable | |
| CN208861691U (en) | A kind of high-performance mineral insulation flexible fireproof cable | |
| CN211742755U (en) | Multi-core stranded conductor fireproof cable | |
| CN207337997U (en) | A kind of resistance to spray can ceramic fire-resisting cable | |
| CN207800190U (en) | A kind of cable with shield effectiveness | |
| CN207895871U (en) | A kind of low temperature resistant and fire-retardant signal cable | |
| CN208271590U (en) | A kind of damp-proof high fire-retardance single-core cable | |
| CN206921540U (en) | A kind of safety and environmental protection low smoke and zero halogen cotton covered wire | |
| CN210443335U (en) | Flame-retardant 1-level low-voltage power cable | |
| CN207977118U (en) | A kind of resistance to mud cable used for oil platform | |
| CN220306019U (en) | Composite fireproof cable | |
| CN220324208U (en) | Mineral insulation flame-retardant fire-resistant cable | |
| CN209747210U (en) | Polyvinyl chloride insulated control cable with sheath flame-retardant structure | |
| CN217444099U (en) | Flexible insulated cable with flame retardant property |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |