CN112351530B - Explosion-proof flame-retardant electric tracing band - Google Patents
Explosion-proof flame-retardant electric tracing band Download PDFInfo
- Publication number
- CN112351530B CN112351530B CN202011211333.0A CN202011211333A CN112351530B CN 112351530 B CN112351530 B CN 112351530B CN 202011211333 A CN202011211333 A CN 202011211333A CN 112351530 B CN112351530 B CN 112351530B
- Authority
- CN
- China
- Prior art keywords
- explosion
- retardant
- proof
- flame
- electric tracing
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
- H05B3/56—Heating cables
- H05B3/565—Heating cables flat cables
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
Landscapes
- Insulating Bodies (AREA)
Abstract
The invention discloses an explosion-proof flame-retardant electric tracing band which comprises a first conductive bus and a second conductive bus, wherein the surface of the first conductive bus is coated with a first insulating layer, the surface of the first insulating layer is coated with an inner protective sleeve, a reinforcing support plate is clamped inside the inner protective sleeve, a first positioning sleeve is arranged at the top of the reinforcing support plate, and a first coating pipe is clamped inside the first positioning sleeve; the utility model discloses a novel explosion-proof pipe, including interior lag tube, first cover tube, second cover tube, first carrier gas pipe, second positioning sleeve, second cover tube, second carrier gas pipe, second positioning sleeve is tangent with the inner wall of strengthening the fagging, the surface cladding of interior lag tube is connected with explosion-proof area. The inert gas in the carrier gas pipe is released, so that the oxygen around the combustion object can be discharged, and explosion-proof and flame-retardant effects can be achieved.
Description
Technical Field
The invention relates to the technical field of electric tracing bands, in particular to an explosion-proof flame-retardant electric tracing band.
Background
The electric tracing band is composed of conductive polymer, two parallel metal wires and an insulating protective layer. The conductive polymer has high positive temperature coefficient characteristic, is connected in parallel, can automatically adjust output power along with the temperature change of a heated system, automatically limits the heating temperature, can be arbitrarily shortened or used for a long time within a certain range, and allows multiple cross overlapping without the worry of high temperature hot spots and burning.
The electric tracing band is characterized in that: the temperature during heating can be automatically limited, and the output power can be automatically adjusted along with the temperature of the heated body without any additional equipment; can be arbitrarily cut into short or used in a certain length range in a long way, and allows multiple cross overlapping without the worry of high temperature, hot spot and burning.
However, the existing electric tracing band is usually insulated by a heat insulation layer, and the electric tracing band produced by the heat insulation method has low high temperature resistance and weak explosion-proof flame retardant capability. Therefore, an explosion-proof flame-retardant electric tracing band is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an explosion-proof flame-retardant electric tracing band, which can block combustion by releasing inert gas in a carrier gas pipe and discharging oxygen around a combustion object.
In order to solve the technical problems, the invention provides the following technical scheme: an explosion-proof flame-retardant electric tracing band comprises a first conductive bus and a second conductive bus, wherein the surface of the first conductive bus is coated with a first insulating layer, the surface of the first insulating layer is coated with an inner protective sleeve, a reinforcing support plate is clamped inside the inner protective sleeve, a first positioning sleeve is mounted at the top of the reinforcing support plate, and a first coating pipe is clamped inside the first positioning sleeve;
a first gas carrying pipe penetrates through the first covering pipe, a second positioning sleeve is arranged at the inner bottom of the inner protecting sleeve, a second covering pipe is clamped inside the second positioning sleeve, a second gas carrying pipe is arranged inside the second covering pipe, the second positioning sleeve is tangent to the inner wall of the reinforcing support plate, an explosion-proof belt is connected to the surface of the inner protecting sleeve in a covering mode, and a flame-retardant belt is sleeved on the surface of the explosion-proof belt;
the fire-retardant sand lump has been run through the veneer in fire-retardant area, the surface cladding of fire-retardant area is connected with the braid over braid, the enhancement layer has been cup jointed on the surface of braid over braid, the surface of enhancement layer has cup jointed outer lag inside lining, the fixed surface of outer lag inside lining is connected with outer inoxidizing coating.
As a preferable technical solution of the present invention, the first conductive bus and the second conductive bus are cylindrical metal wires, and a second insulating layer is connected to a surface of the second conductive bus in a covering manner.
As a preferable technical scheme of the invention, the inner protective sleeve is a hollow long circular strip, and the wall thickness of the inner protective sleeve is two millimeters.
As a preferred technical scheme of the invention, the reinforcing support plate is an inverted I-shaped plastic plate, the inner wall of the inner protective sleeve is provided with a bayonet, and the top and the bottom of the reinforcing support plate are respectively in adaptive clamping connection with the bayonet.
In a preferred embodiment of the present invention, the first gas carrier pipe is a closed hollow plastic pipe, and an inert gas is loaded inside the first gas carrier pipe.
As a preferable technical scheme of the invention, the side surface of the explosion-proof belt is a three-section plane, and a heat insulation layer is sprayed on the side surface of the explosion-proof belt.
As a preferable technical scheme of the invention, the number of the flame-retardant sand blocks is multiple, and the flame-retardant sand blocks are uniformly distributed at the top and the bottom of the flame-retardant belt.
As a preferred technical scheme of the invention, the outer protective layer, the inner liner of the outer protective sleeve, the reinforcing layer and the braided belt are coaxially arranged, and the surface of the outer protective layer is sprayed with the waterproof layer.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the first gas carrying pipe and the second gas carrying pipe are respectively loaded with inert gas, so that when the electric tracing band is exploded and spontaneously combusted, the inert gas in the gas carrying pipe is released, and oxygen around a combustion object is discharged, so that combustion is blocked;
2. the invention can provide space for the installation of the positioning sleeve by arranging the reinforcing supporting plate, is beneficial to enhancing the toughness of the electric tracing band, and can block the combustion of the electric tracing band by the incombustibility of the flame-retardant sand block by arranging the flame-retardant band with the flame-retardant sand block, thereby improving the flame-retardant and explosion-proof performance of the electric tracing band;
3. the invention can form multi-layer protection to the conductive bus by arranging the outer protective layer, the outer protective sleeve liner, the reinforcing layer and the braided belt, thereby prolonging the service life of the conductive bus and reducing the explosion damage of the electric tracing band by arranging the explosion-proof belt.
Drawings
FIG. 1 is a schematic view of the complete structure of the present invention;
FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a view of the inner protective sleeve connection structure of the present invention;
fig. 5 is a front view structural view of the cladding pipe connection of the present invention.
Wherein: 1. a first conductive bus bar; 2. a first insulating layer; 3. an inner protective sleeve; 4. reinforcing the supporting plate; 5. a first positioning sleeve; 6. a first cladding tube; 7. a first carrier gas pipe; 8. a second conductive bus bar; 9. a second insulating layer; 10. a bayonet; 11. a second positioning sleeve; 12. a second cladding tube; 13. a second carrier gas pipe; 14. an explosion-proof band; 15. a flame retardant tape; 16. a flame-retardant sand block; 17. weaving a belt; 18. a reinforcing layer; 19. an outer protective jacket liner; 20. and an outer protective layer.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1 to 5, an explosion-proof flame-retardant electric tracing band comprises a first conductive bus 1 and a second conductive bus 8, wherein a first insulating layer 2 is coated on the surface of the first conductive bus 1, an inner protective sleeve 3 is coated on the surface of the first insulating layer 2, a reinforcing support plate 4 is clamped inside the inner protective sleeve 3, a first positioning sleeve 5 is mounted at the top of the reinforcing support plate 4, and a first covering pipe 6 is clamped inside the first positioning sleeve 5; a first gas carrying pipe 7 penetrates through the inside of the first coating pipe 6, a second positioning sleeve 11 is arranged at the inner bottom of the inner protecting sleeve 3, a second coating pipe 12 is clamped inside the second positioning sleeve 11, a second gas carrying pipe 13 is arranged inside the second coating pipe 12, the second positioning sleeve 11 is tangent to the inner wall of the reinforcing support plate 4, the surface of the inner protecting sleeve 3 is coated and connected with an explosion-proof belt 14, and the surface of the explosion-proof belt 14 is sleeved with a flame-retardant belt 15; the inside of the flame-retardant belt 15 is penetrated and glued with a flame-retardant sand block 16, the surface of the flame-retardant belt 15 is covered and connected with a braided belt 17, the surface of the braided belt 17 is sleeved with a reinforcing layer 18, the surface of the reinforcing layer 18 is sleeved with an outer protective sleeve lining 19, and the surface of the outer protective sleeve lining 19 is fixedly connected with an outer protective layer 20;
through setting up first conductive bus 1 and second conductive bus 8, the electric tracing band can electrically conduct, through setting up outer inoxidizing coating 20, outer lag inside lining 19, enhancement layer 18 and braid 17, can form the multilayer protection to conductive bus to the life of extension conductive bus, through setting up explosion-proof belt 14, can reduce the explosion injury of electric tracing band, strengthen fagging 4 through the setting, can provide the space for the installation of position sleeve, be favorable to increasing the toughness of electric tracing band simultaneously.
In other embodiments, the first conductive bus 1 and the second conductive bus 8 are cylindrical metal wires, the surface of the second conductive bus 8 is wrapped and connected with the second insulating layer 9, and the insulating layer is arranged on the surface of the conductive bus, so that the insulating performance of the electric tracing band can be improved, and meanwhile, a protective layer is formed on the conductive bus.
In other embodiments, the inner protective sleeve 3 is a hollow oblong strip, the wall thickness of the inner protective sleeve 3 is two millimeters, and the surfaces of the first and second positioning sleeves 5, 11 can be protected by providing the inner protective sleeve 3 with a wall thickness of two millimeters.
In other embodiments, the reinforcing support plate 4 is an inverted-I-shaped plastic plate, the bayonet 10 is formed in the inner wall of the inner protective sleeve 3, the top and the bottom of the reinforcing support plate 4 are respectively in adaptive clamping with the bayonet 10, the reinforcing support plate 4 is arranged, a space can be provided for installation of the positioning sleeve, the toughness of the electric tracing band can be improved, and the inner portion of the inner protective sleeve 3 is supported.
In other embodiments, the first carrier gas pipe 7 is a sealed hollow plastic pipe, inert gas is loaded in the first carrier gas pipe 7, and inert gas is loaded in the first carrier gas pipe 7 and the second carrier gas pipe 13, respectively, so that when the electric tracing band is exploded and spontaneously combusted, the inert gas in the carrier gas pipe is released, and oxygen around the combustion object is exhausted to block combustion.
In other embodiments, the side surface of the explosion-proof belt 14 is a three-section plane, and the side surface of the explosion-proof belt 14 is sprayed with a heat insulation layer, so that the heat insulation effect of the electric tracing belt is improved.
In other embodiments, the number of the flame-retardant sand blocks 16 is multiple, the flame-retardant sand blocks 16 are uniformly distributed at the top and the bottom of the flame-retardant belt 15, the flame-retardant sand blocks 16 are respectively arranged at the top and the bottom of the flame-retardant belt 15, and the flame-retardant belt 15 with the flame-retardant sand blocks 16 can block the combustion of the electric tracing belt through the incombustibility of the flame-retardant sand blocks 16, so that the flame-retardant and explosion-proof performance of the electric tracing belt is improved.
In other embodiments, the outer protective layer 20, the outer protective sleeve lining 19, the reinforcing layer 18 and the braided band 17 are coaxially arranged, the waterproof layer is sprayed on the surface of the outer protective layer 20, and the coaxial outer protective layer 20, the outer protective sleeve lining 19, the reinforcing layer 18 and the braided band 17 are arranged, so that the stability and the reliability of the electric tracing band are improved.
The working principle of the invention is as follows: the multi-layer protection of the conductive bus can be formed by arranging the outer protection layer 20, the outer protection sleeve inner liner 19, the reinforcing layer 18 and the braided belt 17, so that the service life of the conductive bus is prolonged, the explosion damage of the electric tracing band can be reduced by arranging the explosion-proof belt 14, when the electric tracing band explodes or spontaneously ignites, the inert gas in the carrier gas pipe is released, and the oxygen around the combustion object is discharged, so that the combustion is blocked; strengthen the fagging 4 through the setting, can provide the space for the installation of position sleeve pipe, be favorable to strengthening the toughness of electric tracing band simultaneously, have the fire-retardant area 15 of fire-retardant sand block 16 through the setting, the burning in the incombustibility of the fire-retardant electric tracing band of accessible sand block 16 to promote the fire-retardant explosion-proof performance of electric tracing band.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an explosion-proof fire-retardant type electric tracing area, includes first conductive bus (1) and second conductive bus (8), the surface cladding of first conductive bus (1) has first insulating layer (2), its characterized in that: the surface of the first insulating layer (2) is coated with an inner protective sleeve (3), a reinforcing support plate (4) is clamped inside the inner protective sleeve (3), a first positioning sleeve (5) is installed at the top of the reinforcing support plate (4), and a first coating pipe (6) is clamped inside the first positioning sleeve (5);
a first gas carrying pipe (7) penetrates through the first covering pipe (6), a second positioning sleeve (11) is arranged at the inner bottom of the inner protecting sleeve (3), a second covering pipe (12) is clamped inside the second positioning sleeve (11), a second gas carrying pipe (13) is arranged inside the second covering pipe (12), the second positioning sleeve (11) is tangent to the inner wall of the reinforcing support plate (4), an explosion-proof belt (14) is connected to the surface of the inner protecting sleeve (3) in a covering mode, and a flame-retardant belt (15) is sleeved on the surface of the explosion-proof belt (14);
inert gases are respectively loaded in the first gas carrying pipe (7) and the second gas carrying pipe (13);
the inside of fire-retardant area (15) runs through the veneer and has fire-retardant sand lump (16), the surface cladding of fire-retardant area (15) is connected with braid over braid (17), enhancement layer (18) have been cup jointed on the surface of braid over braid (17), outer lag inside lining (19) has been cup jointed on the surface of enhancement layer (18), the fixed surface of outer lag inside lining (19) is connected with outer inoxidizing coating (20).
2. The explosion-proof flame-retardant electric tracing band according to claim 1, wherein: the first conductive bus (1) and the second conductive bus (8) are cylindrical metal wires, and a second insulating layer (9) is connected to the surface of the second conductive bus (8) in a covering mode.
3. The explosion-proof flame-retardant electric tracing band according to claim 1, wherein: the inner protection sleeve (3) is a hollow long circular strip, and the wall thickness of the inner protection sleeve (3) is two millimeters.
4. The explosion-proof flame-retardant electric tracing band according to claim 1, wherein: strengthen fagging (4) and for the I-shaped plastic slab of falling, bayonet socket (10) have been seted up to the inner wall of interior protective casing (3), strengthen the top and the bottom of fagging (4) respectively with bayonet socket (10) adaptation joint.
5. The explosion-proof flame-retardant electric tracing band according to claim 1, wherein: the first gas carrying pipe (7) is a closed hollow plastic pipe.
6. The explosion-proof flame-retardant electric tracing band according to claim 1, wherein: the side of the explosion-proof belt (14) is a three-section plane, and a heat insulation layer is sprayed on the side of the explosion-proof belt (14).
7. The explosion-proof flame-retardant electric tracing band according to claim 1, wherein: the number of the flame-retardant sand blocks (16) is multiple, and the flame-retardant sand blocks (16) are uniformly distributed at the top and the bottom of the flame-retardant belt (15).
8. The explosion-proof flame-retardant electric tracing band according to claim 1, wherein: the outer protective layer (20), the outer protective sleeve inner lining (19), the reinforcing layer (18) and the braided belt (17) are coaxially arranged, and a waterproof layer is sprayed on the surface of the outer protective layer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211333.0A CN112351530B (en) | 2020-11-03 | 2020-11-03 | Explosion-proof flame-retardant electric tracing band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211333.0A CN112351530B (en) | 2020-11-03 | 2020-11-03 | Explosion-proof flame-retardant electric tracing band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112351530A CN112351530A (en) | 2021-02-09 |
| CN112351530B true CN112351530B (en) | 2022-10-14 |
Family
ID=74356877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011211333.0A Active CN112351530B (en) | 2020-11-03 | 2020-11-03 | Explosion-proof flame-retardant electric tracing band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112351530B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113573431A (en) * | 2021-08-03 | 2021-10-29 | 安邦电气股份有限公司 | Electric tracing band for explosion-proof place |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2766246B2 (en) * | 1996-03-25 | 1998-06-18 | 浅野スレート株式会社 | Fire prevention measures at the section penetration and fire protection measures at the section penetration using the fire prevention measures |
| JPH11176249A (en) * | 1997-12-09 | 1999-07-02 | Fujikura Ltd | Fireproof electric wire |
| JP3818627B2 (en) * | 2000-08-10 | 2006-09-06 | 矢崎総業株式会社 | Non-halogen flame retardant cable |
| KR200446068Y1 (en) * | 2007-10-30 | 2009-09-24 | (주)보은 | Far Infrared Fabric Heater |
| CN202171087U (en) * | 2011-07-25 | 2012-03-21 | 浙江铁富隆线缆有限公司 | Electric heating fluid conveying pipe |
| CN102654319B (en) * | 2012-04-19 | 2014-05-07 | 江苏太阳宝新能源有限公司 | Solar photo-thermal generating universal multifunctional composite tube |
| CN103531290A (en) * | 2012-07-06 | 2014-01-22 | 顾东申 | Annular-stripe flexible fireproof power cable, and manufacturing method and annealing device thereof |
| CN203523067U (en) * | 2013-10-17 | 2014-04-02 | 安徽安邦控制系统有限公司 | Safety-type self-control-temperature heat-tracing cable |
| US9435123B2 (en) * | 2014-01-02 | 2016-09-06 | Mohammad R. Ehsani | Repair and strengthening of structures with electrically-cured resin-impregnated wrap |
| CN104299696A (en) * | 2014-09-04 | 2015-01-21 | 天津德芃科技集团有限公司 | Flexible metal electrical conduit capable of preventing ants and dispelling ants |
| KR101575181B1 (en) * | 2015-07-27 | 2015-12-21 | 김환남 | jacket heater |
| CN108668389A (en) * | 2017-04-02 | 2018-10-16 | 蒋日永 | Armouring electric-heating belt and the device for processing the heating tape |
| CN206851060U (en) * | 2017-05-10 | 2018-01-05 | 重庆瑞普电气实业股份有限公司 | Novel heating cable |
| CN107633908A (en) * | 2017-09-15 | 2018-01-26 | 嘉兴奥亿普数据电缆有限公司 | A kind of fireproof cable of good heat dissipation effect |
| CN108848581B (en) * | 2018-08-09 | 2023-08-18 | 安徽华上电缆科技有限公司 | Flame-retardant electric tracing band |
| CN208819653U (en) * | 2018-08-15 | 2019-05-03 | 金学庆 | A kind of fire-retardant fireproof power cable |
| CN109404648A (en) * | 2018-11-16 | 2019-03-01 | 安邦电气股份有限公司 | A kind of anti-corrosion heat tracing sampling multiple tube |
| CN209543994U (en) * | 2019-02-26 | 2019-10-25 | 南京和涛塑胶有限公司 | Multi-layer fire-retarded type PVC power cable protective case |
| CN210325301U (en) * | 2019-08-07 | 2020-04-14 | 武汉武湖电缆有限公司 | Fireproof cable |
| CN210518889U (en) * | 2019-08-09 | 2020-05-12 | 北京嘉洁能科技股份有限公司 | Fireproof cable for carbon fiber floor heating |
| CN111029021A (en) * | 2019-12-11 | 2020-04-17 | 欧耐特线缆集团有限公司 | Fireproof cable for aerospace |
| CN211090025U (en) * | 2019-12-25 | 2020-07-24 | 无锡市环球电器装备有限公司 | Super-soft constant-power parallel electric tracing band |
-
2020
- 2020-11-03 CN CN202011211333.0A patent/CN112351530B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112351530A (en) | 2021-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112351530B (en) | Explosion-proof flame-retardant electric tracing band | |
| CN103646712B (en) | A kind of flame-retardant composite fireproof cable | |
| CN204695823U (en) | The light-duty fire-resistant low-smoke non-halogen flame-retardant shipboard cable of aluminium alloy conductor | |
| CN208706299U (en) | A kind of power cable | |
| CN104681177A (en) | Novel fireproof cable and novel flexible multi-core fireproof pre-branch cable | |
| CN205487462U (en) | There is not steamed low low temperature resistant temperature -resistant cable of cigarette | |
| CN108320847A (en) | A kind of damp-proof high fire-retardance single-core cable | |
| CN210641093U (en) | Explosion-proof self-limiting heat tracing cable | |
| CN209625901U (en) | A kind of mineral insulated cable | |
| CN209087428U (en) | A kind of radiation hardness cable for nuclear power station | |
| CN107622825B (en) | Flexible fire-resistant low-voltage variable frequency cable | |
| CN203351259U (en) | New type flexible single-core fireproof pre-branched sheath-provided cable | |
| CN207282172U (en) | A kind of fireproof control cable | |
| CN211907020U (en) | High-temperature-resistant shielding control cable | |
| CN111899942A (en) | Flame-retardant power cable | |
| CN213459180U (en) | Cable with high temperature resistant structure | |
| CN219225940U (en) | Fire-resistant cable | |
| CN217740199U (en) | Cable with low-smoke halogen-free insulating cross-linked polyolefin sheath | |
| CN215577800U (en) | Electric automatization engineering is with effectual cable of ageing-resistant | |
| CN220672267U (en) | Environment-friendly energy-saving long-service-life cable | |
| CN217767863U (en) | Fireproof cable with good outer-layer insulation property | |
| CN206864205U (en) | A kind of copper core mineral insulated cable | |
| CN212113264U (en) | Novel environment-friendly cable | |
| CN207264805U (en) | A kind of New Mineral insulation Halogen jacketed cable | |
| CN218038658U (en) | Isolated flexible mineral insulated cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |