CN109494012A - A kind of explosion-proof electric power cable making method in naval vessel - Google Patents

A kind of explosion-proof electric power cable making method in naval vessel Download PDF

Info

Publication number
CN109494012A
CN109494012A CN201811313219.1A CN201811313219A CN109494012A CN 109494012 A CN109494012 A CN 109494012A CN 201811313219 A CN201811313219 A CN 201811313219A CN 109494012 A CN109494012 A CN 109494012A
Authority
CN
China
Prior art keywords
test
explosion
electric power
power cable
naval vessel
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.)
Pending
Application number
CN201811313219.1A
Other languages
Chinese (zh)
Inventor
水利飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Huayu Cable Group Co Ltd
Original Assignee
Anhui Huayu Cable Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Huayu Cable Group Co Ltd filed Critical Anhui Huayu Cable Group Co Ltd
Priority to CN201811313219.1A priority Critical patent/CN109494012A/en
Publication of CN109494012A publication Critical patent/CN109494012A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/145—Pretreatment or after-treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/021—Features relating to screening tape per se

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Insulated Conductors (AREA)

Abstract

The present invention relates to cable production arts, the explosion-proof electric power cable making method in specifically a kind of naval vessel, the specific steps are that: sorting-wire drawing-power core conductor is twisted-insulation extrusion-insulated wire cores vulcanization-insulated wire cores stranding-inner sheath and extrudes-inner sheath cross-linking radiation-lapped shielding layer-braiding armor-oversheath extrusion-oversheath cross-linking radiation-product inspection-finished product；The material for selecting excellent electrical property, relative dielectric constant small, by overall construction design, mutual capacitance between insulated cable core is controlled, reduces capacitive energy storage, it prevents circuit capacitive energy storage electric discharge when frequent closure, disconnecting from explosive mixture being caused to be lighted, greatly increases the safety of circuit running environment；Plastic-aluminum or compound copper-plastics band shielding are set up in inner sheath outer layer and combines shielded layer with armor formation, are guaranteed that cable has excellent shielding properties, adjacent circuit will not be interfered.

Description

A kind of explosion-proof electric power cable making method in naval vessel
Technical field
The present invention relates to cable production art, the explosion-proof electric power cable making method in specifically a kind of naval vessel.
Background technique
With the transition and upgrade of Modern Ships, the requirement to cable on ship is also higher and higher, nearly all on naval vessel at present Dynamical system and control system all directly or indirectly driven or controlled with electric energy, also will increase magnetic artillery on Future Ship Deng electric energy, the electromagnetic energy weapon based on electricity, the circuit for these devices frequently turn off according to requirements and Closure, cable itself are used as energy-storage travelling wave tube that can be stored power supply by way of electric field, not only when circuit is closed Can have the electric discharge of capacitive energy storage, can also there is the electric discharge of resistance circuit, the discharge stream of condenser network can be larger, and speed compared with Fastly, the discharge energy of spark is also more concentrated, and risk is very big, if circuit passes through inflammable and explosive substances storage region, it is easy to lead Explosive mixture is caused to light.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of explosion-proof electric power cable making method in naval vessel.
The explosion-proof electric power cable making method in a kind of naval vessel, the specific steps of which are as follows: sorting-wire drawing-power core conductor Twisted-insulation extrusion-insulated wire cores vulcanization-insulated wire cores stranding-inner sheath extrudes the wrapped shielding of-inner sheath cross-linking radiation- Layer-braiding armor-oversheath extrusion-oversheath cross-linking radiation-product inspection-finished product；
The insulation extrusion: plsitive mold is used, in screw slenderness ratio 14: 1, the cold feeding of compression ratio 2.0: 1 It is carried out on rubber extruding machine, processing temperature is at 50~80 DEG C；
The insulating layer sulfuration process: using steam vulcanization (cure), and steam pressure is that 1.0-1.2MPa carries out steam to insulating layer Vulcanization；
The inner sheath squeezes out, oversheath squeezes out: half plsitive mold is used, in screw slenderness ratio 20: 1 or 25: 1 and pressure Contracting is than to carry out on 2.5: 1 or 2.0: 1 common plastics extruding machine, processing temperature is at 100~160 DEG C.
The armor is using wires such as tinned copper wire, zinc-coated wire, aluminum-alloy wires in common high-speed knitter Upper braiding constitutes armor.
The wire drawing and power core conductor be twisted be through the big drawing-middle drawing-annealing of copper it is tin plating-single line is stranded tin plating Copper stranded conductor.
The shielded layer is using aluminium-plastic tape wrapped composition shielded layer on winding machine or cable-former.
The product inspection includes mutual capacitance between insulated wire cores: according to the test method of 5441.2 standard requirements of GB Mutual capacitance should be less than 120pF/m between measurement insulated wire cores.
The product inspection includes smoke density test: minimum light transmittance >=60%.
The product inspection includes finished cable shielding transfger impedance: according to the test of 17737.1 standard requirements of GB/T Method measures finished cable shielding transfger impedance transfer impedance in 100MHz and is equal to or less than 1 Ω/m.
The product inspection includes insulation and the mechanical and physical performance test of sheath material includes:
Hot elongation test after insulating layer vulcanization: at 250 ± 3 DEG C of oven temperature, time 15min, mechanical stress 20N/cm2 Load under elongation control≤175%, permanent elongation≤15%；
It needs to carry out the hot elongation test of oversheath after oversheath cross-linking radiation: at 200 ± 3 DEG C of oven temperature, time 15min, Mechanical stress 20N/cm2Load under elongation control≤175%, it is cooling after permanent set≤25%.
The product inspection includes vertical combustion flammability test:
The sprawling test of unit cable flame vertical: the distance between upper grip lower edge and charred portion starting point >=50mm, Burn the charing point that extends downwardly at a distance under upper fixture≤540mm.
Vertically arranged bunched cables flame vertical spreads test-A class: the maximum length of charred portion on sample≤ 2.5m。
The product inspection includes content of halogen test: the test of evolved gas, pH value when being derived from cable material burning 10 μ S/mm of > 4.3, conductivity <.
The product inspection includes fluorine content test: according to standard IEC 60684-2:1997+A1:2003+A2:2005 It is required that test method: fluorine content≤0.1%.
The product inspection includes toxicity test: poison exponent≤5, sheath toxicity are filled in insulation poison exponent≤1.5 Index≤5.
The beneficial effects of the present invention are: the material that selection excellent electrical property, relative dielectric constant are small, is set by overall structure Meter controls mutual capacitance between insulated cable core, reduces capacitive energy storage, prevents circuit capacitive energy storage when frequent closure, disconnecting Electric discharge causes explosive mixture to be lighted, and greatly increases the safety of circuit running environment；Plastic-aluminum or copper modeling are set up in inner sheath outer layer Composite band shielding combines shielded layer with armor formation, guarantees that cable has excellent shielding properties, will not be to adjacent circuit It interferes.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic view of the front view of cable of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below it is right The present invention is further described.
As shown in Figure 1, a kind of explosion-proof electric power cable making method in naval vessel, the specific steps of which are as follows: sorting-wire drawing-is dynamic Line of force core conductor is twisted-insulation extrusion-insulated wire cores vulcanization-insulated wire cores stranding-inner sheath and extrudes-inner sheath irradiation friendship Connection-lapped shielding layer-braiding armor-oversheath extrusion-oversheath cross-linking radiation-product inspection-finished product；
The insulation extrusion: plsitive mold is used, in screw slenderness ratio 14: 1, the cold feeding of compression ratio 2.0: 1 It is carried out on rubber extruding machine, processing temperature is at 50~80 DEG C；
The insulating layer sulfuration process: using steam vulcanization (cure), and steam pressure is that 1.0-1.2MPa carries out steam to insulating layer Vulcanization；
The inner sheath squeezes out, oversheath squeezes out: half plsitive mold is used, in screw slenderness ratio 20: 1 or 25: 1 and pressure Contracting is than to carry out on 2.5: 1 or 2.0: 1 common plastics extruding machine, processing temperature is at 100~160 DEG C.
The material for selecting excellent electrical property, relative dielectric constant small controls insulated cable core by overall construction design Between mutual capacitance, reduce capacitive energy storage, prevent circuit capacitive energy storage electric discharge when frequent closure, disconnecting from leading to explosive mixture point Combustion, greatly increases the safety of circuit running environment.
The armor is using wires such as tinned copper wire, zinc-coated wire, aluminum-alloy wires in common high-speed knitter Upper braiding constitutes armor.
The wire drawing and power core conductor be twisted be through the big drawing-middle drawing-annealing of copper it is tin plating-single line is stranded tin plating Copper stranded conductor.
The shielded layer is using aluminium-plastic tape wrapped composition shielded layer on winding machine or cable-former.
The product inspection includes mutual capacitance between insulated wire cores: according to the test method of 5441.2 standard requirements of GB Mutual capacitance should be less than 120pF/m between measurement insulated wire cores.
The product inspection includes smoke density test: minimum light transmittance >=60%.
The product inspection includes finished cable shielding transfger impedance: according to the test of 17737.1 standard requirements of GB/T Method measures finished cable shielding transfger impedance transfer impedance in 100MHz and is equal to or less than 1 Ω/m.
The product inspection includes insulation and the mechanical and physical performance test of sheath material includes:
Hot elongation test after insulating layer vulcanization: at 250 ± 3 DEG C of oven temperature, time 15min, mechanical stress 20N/cm2 Load under elongation control≤175%, permanent elongation≤15%；
It needs to carry out the hot elongation test of oversheath after oversheath cross-linking radiation: at 200 ± 3 DEG C of oven temperature, time 15min, Mechanical stress 20N/cm2Load under elongation control≤175%, it is cooling after permanent set≤25%.
Plastic-aluminum or compound copper-plastics band shielding are set up in inner sheath outer layer and combines shielded layer with armor formation, guarantee cable tool There is excellent shielding properties, adjacent circuit will not be interfered.
The product inspection includes vertical combustion flammability test:
The sprawling test of unit cable flame vertical: the distance between upper grip lower edge and charred portion starting point >=50mm, Burn the charing point that extends downwardly at a distance under upper fixture≤540mm.
Vertically arranged bunched cables flame vertical spreads test-A class: the maximum length of charred portion on sample≤ 2.5m。
The product inspection includes content of halogen test: the test of evolved gas, pH value when being derived from cable material burning 10 μ S/mm of > 4.3, conductivity <.
The product inspection includes fluorine content test: according to standard IEC 60684-2:1997+A1:2003+A2:2005 It is required that test method: fluorine content≤0.1%.
The product inspection includes toxicity test: poison exponent≤5, sheath toxicity are filled in insulation poison exponent≤1.5 Index≤5.
The product inspection further includes the structure size inspection of cable, the test of conductor resistance, industrial frequency withstand voltage at 20 DEG C Test and insulation resistance test, are well-known techniques, seldom describe herein.
A kind of explosion-proof power cable in naval vessel, including several mutually twisted cables core, the cable core includes twisted Tinned copper conductor 1, ethylene propylene rubber insulated 2 be extruded in outside twisted tinned copper conductor 1, several mutually twisted cables The outside of core is surrounded with low-smoke non-halogen flame-retardant band 4, and low-smoke non-halogen flame-retardant irradiation is extruded with outside the low-smoke non-halogen flame-retardant band 4 Cross-linked polyolefin inner sheath 5 is surrounded with plastic-aluminum or copper modeling outside the low-smoke non-halogen flame-retardant cross-linking radiation polyolefin inner sheath 5 The outside of composite band 6, the plastic-aluminum or compound copper-plastics band 6 is surrounded with braiding armor and shielded layer 7, the braiding armouring The outside of layer and shielded layer 7 is extruded with low-smoke non-halogen flame-retardant cross-linking radiation polyolefin oversheath 8, the several cables core with it is low Filling low-smoke bittern-free highly fire-proof filling 3 is surrounded between cigarette halogen-free flameproof band 4.
The braiding armor 7 is tinned copper wire, aluminum-alloy wire metalloid silk braiding armor.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent Object defines.

Claims (10)

1. a kind of explosion-proof electric power cable making method in naval vessel, it is characterised in that: the specific steps of which are as follows: sorting-wire drawing-power Cable core conductor is twisted-insulation extrusion-insulated wire cores vulcanization-insulated wire cores stranding-inner sheath and extrudes-inner sheath cross-linking radiation- Lapped shielding layer-braiding armor-oversheath extrusion-oversheath cross-linking radiation-product inspection-finished product；
The insulation extrusion: using plsitive mold, squeezes rubber in the cold feeding of screw slenderness ratio 14: 1, compression ratio 2.0: 1 It is carried out on machine, processing temperature is at 50~80 DEG C；
The insulating layer sulfuration process: using steam vulcanization (cure), and steam pressure is that 1.0-1.2MPa carries out steam vulcanization (cure) to insulating layer；
The inner sheath squeezes out, oversheath squeezes out: half plsitive mold is used, in screw slenderness ratio 20: 1 or 25: 1 and compression ratio To carry out on 2.5: 1 or 2.0: 1 common plastics extruding machine, processing temperature is at 100~160 DEG C.
2. a kind of explosion-proof electric power cable making method in naval vessel according to claim 1, it is characterised in that: the armouring Layer is to weave to constitute armor on common high-speed knitter using wires such as tinned copper wire, zinc-coated wire, aluminum-alloy wires.
3. the explosion-proof electric power cable making method in a kind of naval vessel described in any one of -2 according to claim 1, it is characterised in that: The product inspection includes mutual capacitance between insulated wire cores: measuring insulated wire according to the test method of GB5441.2 standard requirements Mutual capacitance should be less than 120pF/m between core.
4. the explosion-proof electric power cable making method in a kind of naval vessel described in any one of -2 according to claim 1, it is characterised in that: The product inspection includes smoke density test: minimum light transmittance >=60%.
5. the explosion-proof electric power cable making method in a kind of naval vessel described in any one of -2 according to claim 1, it is characterised in that: The product inspection includes finished cable shielding transfger impedance: being measured according to the test method of GB/T17737.1 standard requirements Finished cable shields transfger impedance transfer impedance in 100MHz and is equal to or less than 1 Ω/m.
6. the explosion-proof electric power cable making method in a kind of naval vessel described in any one of -2 according to claim 1, it is characterised in that: The product inspection includes insulation and the mechanical and physical performance test of sheath material includes:
Hot elongation test after insulating layer vulcanization: at 250 ± 3 DEG C of oven temperature, time 15min, mechanical stress 20N/cm2It is negative Elongation control is ≤175% under lotus, permanent elongation≤15%；
It needs to carry out the hot elongation test of oversheath after oversheath cross-linking radiation: mechanical at 200 ± 3 DEG C of oven temperature, time 15min Stress 20N/cm2Load under elongation control≤175%, it is cooling after permanent set≤25%.
7. the explosion-proof electric power cable making method in a kind of naval vessel described in any one of -2 according to claim 1, it is characterised in that: The product inspection includes vertical combustion flammability test:
Unit cable flame vertical sprawling test: the distance between upper grip lower edge and charred portion starting point >=50mm, burning The charing point extended downwardly at a distance under upper fixture≤540mm.
Vertically arranged bunched cables flame vertical spreads test-A class: maximum length≤2.5m of charred portion on sample.
8. piece a kind of explosion-proof electric power cable making method in naval vessel, feature described in any one of -2 exist according to claim 1 In: the product inspection includes content of halogen test: the test of evolved gas when being derived from cable material burning, pH value > 4.3, 10 μ S/mm of conductivity <.
9. the explosion-proof electric power cable making method in a kind of naval vessel described in any one of -2 according to claim 1, it is characterised in that: The product inspection includes fluorine content test: the examination required according to standard IEC 60684-2:1997+A1:2003+A2:2005 Proved recipe method: fluorine content≤0.1%.
10. a kind of explosion-proof electric power cable making method in naval vessel, feature described in any one of -2 exist according to claim 1 In: the product inspection includes toxicity test: poison exponent≤5, sheath poison exponent are filled in insulation poison exponent≤1.5 ≤5。
CN201811313219.1A 2018-11-06 2018-11-06 A kind of explosion-proof electric power cable making method in naval vessel Pending CN109494012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811313219.1A CN109494012A (en) 2018-11-06 2018-11-06 A kind of explosion-proof electric power cable making method in naval vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811313219.1A CN109494012A (en) 2018-11-06 2018-11-06 A kind of explosion-proof electric power cable making method in naval vessel

Publications (1)

Publication Number Publication Date
CN109494012A true CN109494012A (en) 2019-03-19

Family

ID=65693897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811313219.1A Pending CN109494012A (en) 2018-11-06 2018-11-06 A kind of explosion-proof electric power cable making method in naval vessel

Country Status (1)

Country Link
CN (1) CN109494012A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101494105A (en) * 2009-03-13 2009-07-29 安徽华能电缆集团有限公司 Method for manufacturing special cable of wind power plant
CN102347109A (en) * 2011-06-24 2012-02-08 四川明星电缆股份有限公司 Manufacture method for low-voltage electric power cable used for nuclear power station
CN104681159A (en) * 2015-03-18 2015-06-03 中天科技装备电缆有限公司 Lightweight flexible LSOH (Low Smoke Zero Halogen) fire-resistant low-voltage marine cable and process flow thereof
CN108511113A (en) * 2018-01-26 2018-09-07 安徽华宇电缆集团有限公司 A kind of fire safe type naval vessel electric power and signal data transmission composite rope and its manufacturing process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101494105A (en) * 2009-03-13 2009-07-29 安徽华能电缆集团有限公司 Method for manufacturing special cable of wind power plant
CN102347109A (en) * 2011-06-24 2012-02-08 四川明星电缆股份有限公司 Manufacture method for low-voltage electric power cable used for nuclear power station
CN104681159A (en) * 2015-03-18 2015-06-03 中天科技装备电缆有限公司 Lightweight flexible LSOH (Low Smoke Zero Halogen) fire-resistant low-voltage marine cable and process flow thereof
CN108511113A (en) * 2018-01-26 2018-09-07 安徽华宇电缆集团有限公司 A kind of fire safe type naval vessel electric power and signal data transmission composite rope and its manufacturing process

Similar Documents

Publication Publication Date Title
CN104715840B (en) The maritime platform essential safe type oil resistant fireproof cable of resistance to mud and preparation technology
CN102332336B (en) Heat-resistant shielded power cable for nuclear power stations
CN105469860A (en) Mining power cable and production technology thereof
CN201369184Y (en) Compensated measuring cable in nuclear power plant
CN201345241Y (en) Highly flame-retardant and explosion proof control cable for coal mines
CN108511113A (en) A kind of fire safe type naval vessel electric power and signal data transmission composite rope and its manufacturing process
CN102737769B (en) Novel low-smoke zero-halogen flame-retardant fire-resistant and impact-resistant cable for nuclear power station
CN101656123A (en) LSOH anti-flaming environment-friendly thin-wall cross-linked cable and manufacturing method thereof
CN203721295U (en) LSOH sheath cable with drainage wire
CN201369187Y (en) Control cable for nuclear power station
CN109448920A (en) A kind of warship marine explosion-proof communication cable manufacturing method
CN203444819U (en) Anti-interference environment-friendly computer cable
CN202093880U (en) Heat-resisting and shielding type power cable used for nuclear power station
CN204423958U (en) The maritime platform essential safe type oil resistant fireproof cable of resistance to mud
RU157628U1 (en) FIRE RESISTANT ELECTRICAL CABLE
CN109494012A (en) A kind of explosion-proof electric power cable making method in naval vessel
CN103943276A (en) Method for manufacturing irradiation cross-linking halogen-free low-smoke flame-retarding rubber sleeve cable for A-grade ships
CN204651023U (en) The halogen-free flameproof fireproof cable of modified node method
CN207517404U (en) A kind of service wire cable
CN105976907A (en) High-flame-retardant high-insulation-resistance low-smoke zero-halogen cable power line and preparation process thereof
CN105513715A (en) Production process of low-smoke flame-retardant power line
RU2417470C1 (en) Mounting cable, mostly explosion-proof, for high-speed automatics systems (versions)
CN202677906U (en) Low-smoke, halogen-free and flame-retardant type fire-resistant cable for novel nuclear power station
CN204966082U (en) High fire -retardant power cable of environment -friendly
CN206401075U (en) The compound naval vessel medium-pressure power cable of control

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
CB03 Change of inventor or designer information

Inventor after: Shui Lifei

Inventor after: Ye Mingzhu

Inventor after: Ye Yu

Inventor after: Zhou Youzhi

Inventor after: Shen Qi

Inventor after: Wang Di

Inventor after: Zhao Junling

Inventor after: Huang Conglin

Inventor before: Shui Lifei

CB03 Change of inventor or designer information
RJ01 Rejection of invention patent application after publication

Application publication date: 20190319

RJ01 Rejection of invention patent application after publication