CN103943245A - Fireproof wire and fireproof cable with functions of vibration resistance and water spray resistance - Google Patents
Fireproof wire and fireproof cable with functions of vibration resistance and water spray resistance Download PDFInfo
- Publication number
- CN103943245A CN103943245A CN201410146975.5A CN201410146975A CN103943245A CN 103943245 A CN103943245 A CN 103943245A CN 201410146975 A CN201410146975 A CN 201410146975A CN 103943245 A CN103943245 A CN 103943245A
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- CN
- China
- Prior art keywords
- fire
- fireproof
- silicone rubber
- water
- resistant
- 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
Links
- 239000007921 spray Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 39
- 239000010445 mica Substances 0.000 claims abstract description 33
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 33
- 239000004020 conductor Substances 0.000 claims abstract description 24
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 21
- 239000004945 silicone rubber Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000009970 fire resistant effect Effects 0.000 claims description 64
- 239000010410 layer Substances 0.000 claims description 32
- 239000011241 protective layer Substances 0.000 claims description 19
- 229920000098 polyolefin Polymers 0.000 claims description 9
- 239000005030 aluminium foil Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 24
- 238000005452 bending Methods 0.000 abstract description 12
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000008961 swelling Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 54
- 230000000052 comparative effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004079 fireproofing Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a fireproof wire and a fireproof cable with functions of vibration resistance and water spray resistance. The fireproof wire comprises a conductor and a mica tape layer wounded on the conductor, and the mica tape layer is extruded with a ceramic silicone rubber insulation layer. The fireproof cable comprises a plurality of fireproof wires. The mica tape layer of the fireproof wire and the fireproof cable is arranged in the ceramic silicone rubber layer, does not fall off protected by the outside ceramic silicone rubber layer, and the mica does not fall off due to vibration or bending and lose the fireproof function; the mica tape layer is lower in swelling coefficient and is wound on the conductor, so that the mutual inflation pressure of the conductor and the ceramic silicone rubber under a thermal state can be reduced, cracking of the ceramic silicone rubber layer at the bending portion caused especially by excessive stress at the bending portion can be avoided, the fireproof vibration experiment and the standard fireproof water spray experiment in the European standard BS6387 and the international standard GB /T19216 are passed, and stability and consistency are guaranteed.
Description
Technical field
The present invention relates to a kind of electric wire, relate in particular to a kind of fire-resistant wires and fire-resisting cable with vibration resistance, water-fast spray function.
Background technology
Tradition fire-resistant wires (comparative example 1) generally comprises conductor, is wrapped in the mica belt of conductor and squeezes the polyolefin jacket of giving as security on mica layer.Above-mentioned fire-resistant wires is carried out to fire-resistant vibration experiment test and the fire-resistant water spray of the standard experiment test in Europe superscript BS6387 and GB GB/T 19216.
Fire-resistant vibration experiment test: sample many of 1.5 meters of single core cables (for example 5), by two ends peeling 10mm, wire rod is twisted into a branch of, be bundled on a rectangular steel plate, binding is shaped as Z-shaped, then two ends conductor is connected to corresponding power supply and indicator light, the another iron staff with long 600mm, when operation, according to the time arranging, steel plate is regularly knocked, knock direction and level and form 60 degree angles.After test starting, voltage is set as to 750V, flame temperature is set as 900 ± 50 degree, burn 120 minutes, the time of knocking is made as at interval of within 5 minutes, knocking once (or adopt flame temperature to be set as 900 ± 50 degree, burn 30 minutes, the time of knocking is made as at interval of 15 seconds and knocks once), indicator light extinguishes without any one during this test run, and it is qualified to confirm to test.(note: indicator light extinguishes, illustrates the circuit phenomenon that is short-circuited, and fireprotection layer is protective circuit effectively, test crash).
Spray test: with reference to the experiment of the fire-resistant water spray of BS6387 standard, formulate test sample, connect power supply and indicator light, after installing, start test, voltage is set as to 750V, flame temperature is set as 650 ± 40 degree, the sustained combustion again add water and spray 15 minutes of burn after 15 minutes.Indicator light extinguishes without any one during this test run, and it is qualified to confirm to test.
Above-mentioned fire-resistant wires is sprayed to experiment test according to fire-resistant vibration experiment test and the fire-resistant water of standard in Europe superscript BS6387 and GB GB/T 19216, repeatedly test result shows: the fire-resistant wires that above-mentioned employing mica tape is wound around sometimes can be by above-mentioned two tests, sometimes can not be by above-mentioned two tests, research staff is through repeatedly testing and carrying out technical Analysis, find that this is because mica tape in use needs to be wrapped on conductor, in winding process, due to easily crisp defect of mica itself, bending is wound around frangible cracking, less stable, bad when product fashion, can not guarantee that fire-resistant wires can be by above-mentioned test, its consistency is unstable.
Research staff, through constantly research and development, improves technical scheme, and Ceramics SiClx rubber substitutes mica tape and is wound around (comparative example 2), on conductor, squeezes and gives as security ceramic silicon rubber, then at the additional polyolefin jacket of ceramic silastic-layer.This kind of fire-resistant wires, equally according to the fire-resistant vibration experiment test in Europe superscript BS6387 and GB GB/T 19216 and the fire-resistant water spray of standard experiment test, found to be difficult to equally by above-mentioned two kinds of tests.Because ceramic silicon rubber is burnt to a crisp into porcelain in combustion process, if product, in test process, has bending place, herein stressed meeting is larger, meanwhile, because the ceramic silastic material coefficient of expansion is larger, inconsistent with the copper conductor coefficient of expansion, under hot state, form mutual expansion extruding force, in the situation of comprehensive above two kinds of power, the in the situation that of additional vibration force, material is more easy to crack in bending place, produce mutual short circuit phenomenon, product test is defective.
Summary of the invention
The object of the present invention is to provide a kind of fire resistance good and there is fire-resistant wires and the fire-resisting cable of vibration resistance, water-fast spray function.
For achieving the above object, the fire-resistant wires with vibration resistance, water-fast spray function provided by the present invention, comprises conductor and is wrapped in the mica belt on conductor, mica belt squeezes to give as security ceramic silicone rubber insulation layer outward.
Preferably, described ceramic silicone rubber insulation layer overcoat has polyolefin jacket.
Preferably, described ceramic silicone rubber insulation layer overcoat has woven protective layer.Described woven protective layer preferred glass fibers woven protective layer or metal wire knitted sheath.The outer preferably cover of described woven protective layer has polyolefin jacket.
Preferably, between described ceramic silicone rubber insulation layer and described woven protective layer, be wound with aluminium foil.
The present invention also provides a kind of fire-resisting cable with vibration resistance, water-fast spray function, and described fire-resisting cable comprises above-mentioned some fire-resistant wires, and these fire-resistant wires preferably twist together.
The present invention has the fire-resistant wires of vibration resistance, water-fast spray function and the useful technique effect of fire-resisting cable: the present invention has the fire-resistant wires of vibration resistance, water-fast spray function and the mica belt of fire-resisting cable and ceramic silastic-layer can play fireproofing function, mica belt is arranged in ceramic silastic-layer, can be subject to the protection of ceramic silastic-layer outside and can not come off, and can not lose fire-proof function because vibration or bending cause mica on mica belt to come off, mica belt is the coefficient of expansion lower (coefficient of expansion of mica tape is between conductor and ceramic silastic-layer) not only, and be to be wound on conductor, this can reduce the mutual bulbs of pressure under conductor and ceramic silicon rubber heating status, can avoid especially causing ceramic silastic-layer cracking herein the stressed excessive of bending place, mica belt and ceramic silastic-layer are complementary, the common especially phenomenon easy to crack in bending place of fire-resistant wires that solves, ensure to vibrate fire-resistant and water spray test passes, can be by the fire-resistant vibration experiment test in Europe superscript BS6387 and GB GB/T 19216 and the fire-resistant water spray of standard experiment test, and stability and consistency can be ensured.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram that the present invention has the fire-resistant wires embodiment 1 of vibration resistance, water-fast spray function;
Fig. 2 is the cross section structure schematic diagram that the present invention has the fire-resistant wires embodiment 2 of vibration resistance, water-fast spray function;
Fig. 3 is the cross section structure schematic diagram that the present invention has the fire-resistant wires embodiment 3 of vibration resistance, water-fast spray function;
Fig. 4 is the cross section structure schematic diagram that the present invention has the fire-resistant wires embodiment 4 of vibration resistance, water-fast spray function.
In figure, each description of reference numerals is as follows:
1. conductor, 2. mica belt, 3. ceramic silastic-layer, 4. polyolefin jacket, 5. woven protective layer.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being realized object and effect, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
Embodiment 1
Refer to Fig. 1, the embodiment 1 that it discloses vibrationproof fire-resistant wires of the present invention, comprises conductor 1 and is wrapped in the mica belt 2 on conductor 1, the outer crowded signature of mica belt 2 has ceramic silicone rubber insulation layer 3.
Embodiment 2
Refer to Fig. 2, the present embodiment has disclosed embodiments of the invention 2, and the present embodiment is similar to Example 1, and its difference is: ceramic silicone rubber insulation layer 3 overcoats have polyolefin jacket 4.
Embodiment 3
Refer to Fig. 3, the present embodiment has disclosed embodiments of the invention 3, and the present embodiment is similar to Example 1, and its difference is: ceramic silicone rubber insulation layer 3 overcoats have woven protective layer 5.Woven protective layer 5 preferred glass fibers woven protective layers or metal wire knitted sheath, the structure of woven protective layer 5 is not limited to above two kinds of structures, and the woven protective layer of every any version that can play mechanical protection function is all passable.
Embodiment 4
Refer to Fig. 4, the present embodiment has disclosed embodiments of the invention 4, and the present embodiment is similar to Example 3, and its difference is: woven protective layer 5 overcoats have polyolefin jacket 4.
Embodiment 5
The present embodiment has disclosed embodiments of the invention 5, and the present embodiment is similar to Example 3, and its difference is: between ceramic silicone rubber insulation layer and woven protective layer, be wound with aluminium foil.
Aluminium foil can play the effect of protection against the tide, waterproof, and this is for dark moist environment for use particularly suitable.Between ceramic silicone rubber insulation layer and woven protective layer, be wound with aluminium foil and be equally applicable to embodiment 4.
By the fire-resistant wires in comparative example 1, the comparative example 2 of embodiment 1 to embodiment 5 and background technology of the present invention, according to the fire-resistant vibration experiment test in Europe superscript BS6387 and GB GB/T 19216 and the fire-resistant water spray of standard experiment test, method of testing is as follows:
Fire-resistant vibration experiment test: sample 1.5 meters 5, by two ends peeling 10mm, wire rod is twisted into a branch of, be bundled on a rectangular steel plate, binding is shaped as Z-shaped, then two ends conductor is connected to corresponding power supply and indicator light, the another iron staff with long 600mm, when operation, according to the time arranging, steel plate is regularly knocked, knock direction and level and form 60 degree angles.After test starting, voltage is set as to 750V, flame temperature is set as 900 ± 50 degree, burn 120 minutes, the time of knocking is made as at interval of within 5 minutes, knocking once (or adopt flame temperature to be set as 900 ± 50 degree, burn 30 minutes, the time of knocking is made as at interval of 15 seconds and knocks once), indicator light extinguishes without any one during this test run, and it is qualified to confirm to test.(note: indicator light extinguishes, illustrates the circuit phenomenon that is short-circuited, and fireprotection layer is protective circuit effectively, test crash).
Spray test: with reference to the experiment of the fire-resistant water spray of BS6387 standard, formulate test sample, connect power supply and indicator light, after installing, start test, voltage is set as to 750V, flame temperature is set as 650 ± 40 degree, the sustained combustion again add water and spray 15 minutes of burn after 15 minutes.Indicator light extinguishes without any one during this test run, and it is qualified to confirm to test.
Fire-resistant wires test result in embodiment 1 to embodiment 5: the fire-resistant jerk of following is tested, burn 120 minutes, the time of knocking is made as at interval of 5 minutes and knocks once and (or adopt flame temperature to be set as 900 ± 50 degree, burn 30 minutes, the time of knocking is made as at interval of 15 seconds and knocks once) bulb extinguishes without any; 30 minutes bulbs of spray test extinguish without any, by the fire-resistant vibration experiment test in Europe superscript BS6387 and GB GB/T 19216 and the fire-resistant water spray of standard experiment test.
Fire-resistant wires test result in comparative example 1: the fire-resistant 12 minutes bulbs of jerk test of following extinguish; Spray 20 minutes bulbs and extinguish, not by the fire-resistant vibration experiment test in Europe superscript BS6387 and GB GB/T 19216 and the fire-resistant water spray of standard experiment test.
Fire-resistant wires test result in comparative example 2: the fire-resistant 33 minutes bulbs of jerk test of following extinguish; Spray and extinguish for 23 minutes, not by the fire-resistant vibration experiment test in Europe superscript BS6387 and GB GB/T 19216 and the fire-resistant water spray of standard experiment test.
Fire-resistant wires in above-described embodiment 1 to embodiment 5 can be used as the core of fire-resisting cable, and fire-resisting cable comprises the fire-resistant wires in some above-described embodiments 1 to embodiment 5, and these fire-resistant wires preferably twist together and are arranged in fire-resisting cable.
In sum, the present invention has the fire-resistant wires of vibration resistance, water-fast spray function and the mica belt 2 of fire-resisting cable and ceramic silastic-layer 3 and can play fireproofing function, mica belt 2 is arranged in ceramic silastic-layer 3, can be subject to the protection of ceramic silastic-layer 3 outside and can not come off, and can not lose fire-proof function because vibration or bending cause mica on mica belt to come off, mica belt 2 is the coefficient of expansion lower (coefficient of expansion of mica tape is between conductor and ceramic silastic-layer) not only, and be to be wound on conductor 1, because this can reduce the mutual bulbs of pressure under conductor 1 and ceramic silastic-layer 3 heating statuses, mica belt 2 is interior, the fire resistive construction of ceramic silastic-layer 3 the two combination is outside avoided especially causing ceramic silastic-layer 3 cracking herein the stressed excessive of bending place, mica belt 2 and 3 both complementations of ceramic silastic-layer, the common especially phenomenon easy to crack in bending place of fire-resistant wires that solves, ensure to vibrate fire-resistant and water spray test passes, can be by the fire-resistant vibration experiment test in Europe superscript BS6387 and GB GB/T 19216 and the fire-resistant water spray of standard experiment test, and stability and consistency can be ensured.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple variation accordingly, but any and the present invention are equal to or similar variation all should be encompassed in the scope of the claims in the present invention.
Claims (8)
1. a fire-resistant wires with vibration resistance, water-fast spray function, is characterized in that: comprise conductor and be wrapped in the mica belt on conductor, mica belt squeezes outward to give as security ceramic silicone rubber insulation layer.
2. the fire-resistant wires with vibration resistance, water-fast spray function according to claim 1, is characterized in that: described ceramic silicone rubber insulation layer overcoat has polyolefin jacket.
3. the fire-resistant wires with vibration resistance, water-fast spray function according to claim 1, is characterized in that: described ceramic silicone rubber insulation layer overcoat has woven protective layer.
4. the fire-resistant wires with vibration resistance, water-fast spray function according to claim 2, is characterized in that: described woven protective layer is fiberglass braided sheath.
5. the fire-resistant wires with vibration resistance, water-fast spray function according to claim 2, is characterized in that: described woven protective layer is metal wire knitted sheath.
6. according to the fire-resistant wires with vibration resistance, water-fast spray function described in claim 2 to 5 any one, it is characterized in that: described woven protective layer overcoat has polyolefin jacket.
7. the fire-resistant wires with vibration resistance, water-fast spray function according to claim 6, is characterized in that: between described ceramic silicone rubber insulation layer and described woven protective layer, be wound with aluminium foil.
8. a fire-resisting cable with vibration resistance, water-fast spray function, is characterized in that: described fire-resisting cable comprises the fire-resistant wires described in claim 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146975.5A CN103943245A (en) | 2014-04-11 | 2014-04-11 | Fireproof wire and fireproof cable with functions of vibration resistance and water spray resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146975.5A CN103943245A (en) | 2014-04-11 | 2014-04-11 | Fireproof wire and fireproof cable with functions of vibration resistance and water spray resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103943245A true CN103943245A (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410146975.5A Pending CN103943245A (en) | 2014-04-11 | 2014-04-11 | Fireproof wire and fireproof cable with functions of vibration resistance and water spray resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103943245A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016024576A1 (en) * | 2014-08-12 | 2017-07-13 | 旭硝子株式会社 | Thermal cycle system |
| CN107615409A (en) * | 2015-03-31 | 2018-01-19 | 线缆系统集团总公司 | Fire proof construction for cable |
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|---|---|---|---|---|
| CN102708969A (en) * | 2012-06-22 | 2012-10-03 | 南通米兰特电气有限公司 | Uvioresistant flexible connecting cable |
| CN202694893U (en) * | 2012-05-16 | 2013-01-23 | 安徽华峰电缆集团有限公司 | Tear-resistant silicon rubber insulated lead wire for motors |
| CN203250584U (en) * | 2013-04-25 | 2013-10-23 | 桂林国际电线电缆有限责任公司 | Novel composite fire-resisting cable |
| US20140008098A1 (en) * | 2012-07-05 | 2014-01-09 | Prysmian S.P.A. | Electrical cable resistant to fire, water and mechanical stresses |
| CN204155642U (en) * | 2014-04-11 | 2015-02-11 | 深圳市沃尔核材股份有限公司 | A kind of have vibration resistance, the fire-resistant wires of water-fast spray function and fire-resisting cable |
-
2014
- 2014-04-11 CN CN201410146975.5A patent/CN103943245A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202694893U (en) * | 2012-05-16 | 2013-01-23 | 安徽华峰电缆集团有限公司 | Tear-resistant silicon rubber insulated lead wire for motors |
| CN102708969A (en) * | 2012-06-22 | 2012-10-03 | 南通米兰特电气有限公司 | Uvioresistant flexible connecting cable |
| US20140008098A1 (en) * | 2012-07-05 | 2014-01-09 | Prysmian S.P.A. | Electrical cable resistant to fire, water and mechanical stresses |
| CN203250584U (en) * | 2013-04-25 | 2013-10-23 | 桂林国际电线电缆有限责任公司 | Novel composite fire-resisting cable |
| CN204155642U (en) * | 2014-04-11 | 2015-02-11 | 深圳市沃尔核材股份有限公司 | A kind of have vibration resistance, the fire-resistant wires of water-fast spray function and fire-resisting cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2016024576A1 (en) * | 2014-08-12 | 2017-07-13 | 旭硝子株式会社 | Thermal cycle system |
| CN107615409A (en) * | 2015-03-31 | 2018-01-19 | 线缆系统集团总公司 | Fire proof construction for cable |
| CN107615409B (en) * | 2015-03-31 | 2021-06-04 | 线缆系统集团总公司 | Fire protection for cables, low or medium voltage instrument cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140723 |