CN105301173A - Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method - Google Patents
Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method Download PDFInfo
- Publication number
- CN105301173A CN105301173A CN201510795950.2A CN201510795950A CN105301173A CN 105301173 A CN105301173 A CN 105301173A CN 201510795950 A CN201510795950 A CN 201510795950A CN 105301173 A CN105301173 A CN 105301173A
- Authority
- CN
- China
- Prior art keywords
- metal sheath
- inorganic mineral
- mineral insulation
- fire resistance
- burning
- 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
Abstract
The present invention relates to a metal sheath inorganic mineral insulation electric cable fire resistance performance testing method, which comprises: S1, selecting an electric cable; S2, carrying out single electric cable fire resistance testing, wherein an electric cable is vertically fixed inside a fire resistance test apparatus, flame is sprayed through a propane burner, the flame length is controlled at 15-20 cm, the distance between the flame and electric cable contact point and the upper end fixation point is 40-50 cm, the electric cable is burned for 10-15 min, and the length of the part damaged by the burning is recorded; S3, carrying out bundle electric cable fire resistance testing, wherein 3-5 electric cables are vertically fixed on a trapezoidal testing frame, the trapezoidal testing frame is placed inside the fire resistance test apparatus, air is introduced, the flow rate is controlled at 60-100 L/min, flame is sprayed through the propane burner, the flame temperature is controlled at 450-950 DEG C, burning is performed for 20-30 min, and the burning condition is recorded; and S4, judging the fire resistance performance, wherein it is judged that the fire resistance performance passes through the testing if the length of the part damaged by the burning in the step S2 does not exceed 30 cm and no burning exists within 20 min in the step S3. According to the present invention, the method has advantages of simple operation, and accurate and reliable testing data.
Description
Technical field
The present invention relates to the technical field of performance test of cable, particularly metal sheath inorganic mineral insulation cable fire performance method of testing.
Background technology
Along with the continuous growth of population, the large public buildings such as skyscraper, hotel, supermarket constantly increase, and subway, tunnel and large-scale place of public amusement, public transit facility are also sharply increasing.In today that safety is more and more taken seriously, particularly how in the case of fire, ensure the electric power of these public places and the unimpeded of communication within a certain period of time, try to gain time precious to one to greatest extent, the injures and deaths of minimizing personnel and the loss of lives and properties are problems that people are exploring always.
Usually before fireproof cable design or first product are dispatched from the factory, need to test its fire performance, traditional fire-resistant test detect function is complicated, and contingency is comparatively large, easily occurs test error, causes test result inaccurate.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, a kind of simple to operate, test data precisely reliable metal sheath inorganic mineral insulation cable fire performance method of testing is provided.
Object of the present invention is achieved through the following technical solutions: metal sheath inorganic mineral insulation cable fire performance method of testing, and it comprises the following steps:
S1, select cable: be 55 ~ 65cm by metal sheath inorganic mineral insulation cable cutting length;
S2, single fire-resistant test: the metal sheath inorganic mineral insulation cable that step S1 selects is vertically fixed in fire resistance test device, jetted out flames by propane burner, the control length of flame is 15 ~ 20cm, the distance of flame and metal sheath inorganic mineral insulation cable contact point distance upper end point of fixity is 40 ~ 50cm, calcination 10 ~ 15min is carried out to metal sheath inorganic mineral insulation cable, record burning broken parts length;
The fire-resistant test of S3, bunchy: the metal sheath inorganic mineral insulation cable that 3 ~ 5 step S1 select is vertically fixed on trapezoidal testing jig, put into fire resistance test device, and air is passed in fire resistance test device, flow control is at 60 ~ 100L/min, jetted out flames by propane burner, control flame temperature between 450 ~ 950 DEG C, burning 20 ~ 30min, record combustion case;
S4, judge fire performance: if broken parts length of burning in step S2 is no more than 30cm, and not burning in 20min in step S3, then judge that its test is passed through.
Control the tapered structure of flame in step S1, and the angular range between the axis of pyramidal structure and metal sheath inorganic mineral insulation cable is between 30 ~ 60 °.
Purified propylene oxide in described propane burner is greater than 98%.
The present invention has the following advantages:
1, the present invention is burnt to unit cable and bunched cables respectively by propane burner, and carry out data record and analysis respectively, processing step is few, simple to operate.
2, the present invention carries out fire-resistant test to unit cable and bunched cables respectively, two groups of data assemblies are analyzed together, what meet the demands is just qualified cable simultaneously, meet the examination criteria of IEC60332-1/BS4066-1 flame retardant rating and IEC60332-3/BS4066-3 flame retardant rating, test result precision is high.
Embodiment
Below in conjunction with embodiment, the present invention will be further described, but protection scope of the present invention is not limited to the following stated.
[embodiment 1]:
Metal sheath inorganic mineral insulation cable fire performance method of testing, it comprises the following steps:
S1, select cable: be 65cm by metal sheath inorganic mineral insulation cable cutting length;
S2, single fire-resistant test: the metal sheath inorganic mineral insulation cable that step S1 selects is vertically fixed in fire resistance test device, jetted out flames by propane burner, the control length of flame is 20cm, the distance of flame and metal sheath inorganic mineral insulation cable contact point distance upper end point of fixity is 50cm, control the tapered structure of flame, and the angular range between the axis of pyramidal structure and metal sheath inorganic mineral insulation cable is 30 °, calcination 15min is carried out to metal sheath inorganic mineral insulation cable, record burning broken parts length;
The fire-resistant test of S3, bunchy: the metal sheath inorganic mineral insulation cable that 5 step S1 select is vertically fixed on trapezoidal testing jig, put into fire resistance test device, and air is passed in fire resistance test device, flow control is at 100L/min, jetted out flames by propane burner, control flame temperature at 950 DEG C, burning 30min, record combustion case;
S4, judge fire performance: if broken parts length of burning in step S2 is no more than 30cm, and not burning in 20min in step S3, then judge that its test is passed through.
Purified propylene oxide in described propane burner is greater than 98%.
[embodiment 2]:
Metal sheath inorganic mineral insulation cable fire performance method of testing, it comprises the following steps:
S1, select cable: be 60cm by metal sheath inorganic mineral insulation cable cutting length;
S2, single fire-resistant test: the metal sheath inorganic mineral insulation cable that step S1 selects is vertically fixed in fire resistance test device, jetted out flames by propane burner, the control length of flame is 17cm, the distance of flame and metal sheath inorganic mineral insulation cable contact point distance upper end point of fixity is 45cm, control the tapered structure of flame, and the angular range between the axis of pyramidal structure and metal sheath inorganic mineral insulation cable is 45 °, calcination 13min is carried out to metal sheath inorganic mineral insulation cable, record burning broken parts length;
The fire-resistant test of S3, bunchy: the metal sheath inorganic mineral insulation cable that 4 step S1 select is vertically fixed on trapezoidal testing jig, put into fire resistance test device, and air is passed in fire resistance test device, flow control is at 80L/min, jetted out flames by propane burner, controlling flame temperature is 700 DEG C, burning 25min, record combustion case;
S4, judge fire performance: if broken parts length of burning in step S2 is no more than 30cm, and not burning in 20min in step S3, then judge that its test is passed through.
Purified propylene oxide in described propane burner is greater than 98%.
[embodiment 3]:
Metal sheath inorganic mineral insulation cable fire performance method of testing, it comprises the following steps:
S1, select cable: be 58cm by metal sheath inorganic mineral insulation cable cutting length;
S2, single fire-resistant test: the metal sheath inorganic mineral insulation cable that step S1 selects is vertically fixed in fire resistance test device, jetted out flames by propane burner, the control length of flame is 18cm, the distance of flame and metal sheath inorganic mineral insulation cable contact point distance upper end point of fixity is 46cm, control the tapered structure of flame, and the angular range between the axis of pyramidal structure and metal sheath inorganic mineral insulation cable is 40 °, calcination 12min is carried out to metal sheath inorganic mineral insulation cable, record burning broken parts length;
The fire-resistant test of S3, bunchy: the metal sheath inorganic mineral insulation cable that 3 step S1 select is vertically fixed on trapezoidal testing jig, put into fire resistance test device, and air is passed in fire resistance test device, flow control is at 90L/min, jetted out flames by propane burner, controlling flame temperature is 80 DEG C, burning 26min, record combustion case;
S4, judge fire performance: if broken parts length of burning in step S2 is no more than 30cm, and not burning in 20min in step S3, then judge that its test is passed through.
Purified propylene oxide in described propane burner is greater than 98%.
[embodiment 4]:
Metal sheath inorganic mineral insulation cable fire performance method of testing, it comprises the following steps:
S1, select cable: be 55cm by metal sheath inorganic mineral insulation cable cutting length;
S2, single fire-resistant test: the metal sheath inorganic mineral insulation cable that step S1 selects is vertically fixed in fire resistance test device, jetted out flames by propane burner, the control length of flame is 15cm, the distance of flame and metal sheath inorganic mineral insulation cable contact point distance upper end point of fixity is 40cm, control the tapered structure of flame, and the angular range between the axis of pyramidal structure and metal sheath inorganic mineral insulation cable is 60 °, calcination 10min is carried out to metal sheath inorganic mineral insulation cable, record burning broken parts length;
The fire-resistant test of S3, bunchy: the metal sheath inorganic mineral insulation cable that 3 step S1 select is vertically fixed on trapezoidal testing jig, put into fire resistance test device, and air is passed in fire resistance test device, flow control is at 60L/min, jetted out flames by propane burner, controlling flame temperature is 450 DEG C, burning 20min, record combustion case;
S4, judge fire performance: if broken parts length of burning in step S2 is no more than 30cm, and not burning in 20min in step S3, then judge that its test is passed through.
Purified propylene oxide in described propane burner is greater than 98%.
Claims (3)
1. metal sheath inorganic mineral insulation cable fire performance method of testing, is characterized in that: it comprises the following steps:
S1, select cable: be 55 ~ 65cm by metal sheath inorganic mineral insulation cable cutting length;
S2, single fire-resistant test: the metal sheath inorganic mineral insulation cable that step S1 selects is vertically fixed in fire resistance test device, jetted out flames by propane burner, the control length of flame is 15 ~ 20cm, the distance of flame and metal sheath inorganic mineral insulation cable contact point distance upper end point of fixity is 40 ~ 50cm, calcination 10 ~ 15min is carried out to metal sheath inorganic mineral insulation cable, record burning broken parts length;
The fire-resistant test of S3, bunchy: the metal sheath inorganic mineral insulation cable that 3 ~ 5 step S1 select is vertically fixed on trapezoidal testing jig, put into fire resistance test device, and air is passed in fire resistance test device, flow control is at 60 ~ 100L/min, jetted out flames by propane burner, control flame temperature between 450 ~ 950 DEG C, burning 20 ~ 30min, record combustion case;
S4, judge fire performance: if broken parts length of burning in step S2 is no more than 30cm, and not burning in 20min in step S3, then judge that its test is passed through.
2. metal sheath inorganic mineral insulation cable fire performance method of testing according to claim 1, it is characterized in that: in step S1, control the tapered structure of flame, and the angular range between the axis of pyramidal structure and metal sheath inorganic mineral insulation cable is between 30 ~ 60 °.
3. metal sheath inorganic mineral insulation cable fire performance method of testing according to claim 1, is characterized in that: the purified propylene oxide in described propane burner is greater than 98%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795950.2A CN105301173A (en) | 2015-11-18 | 2015-11-18 | Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795950.2A CN105301173A (en) | 2015-11-18 | 2015-11-18 | Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105301173A true CN105301173A (en) | 2016-02-03 |
Family
ID=55198681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510795950.2A Pending CN105301173A (en) | 2015-11-18 | 2015-11-18 | Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105301173A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525482A (en) * | 2016-11-18 | 2017-03-22 | 苏州市宏业灯具设备有限公司 | Fire-retardant cable sample detection device |
| WO2018090364A1 (en) * | 2016-11-21 | 2018-05-24 | 潘磊 | Fire resistance test device and fire resistance test method for high voltage cable for ship |
| CN109187617A (en) * | 2018-06-27 | 2019-01-11 | 金杯电工衡阳电缆有限公司 | A kind of 1500 DEG C of fire-resisting cable static state fire resistance test methods of superhigh temperature |
| CN109324149A (en) * | 2018-09-28 | 2019-02-12 | 江西圣塔电缆科技有限公司 | A kind of fire-retardant and resistance to fire detection device of cable |
| CN111189960A (en) * | 2020-01-10 | 2020-05-22 | 安徽复兴电缆集团有限公司 | Single cable vertical burning test device |
| CN111624298A (en) * | 2020-05-19 | 2020-09-04 | 广东南缆电缆有限公司 | Safety performance test method for overload non-combustible electric wire |
| CN112946164A (en) * | 2021-01-19 | 2021-06-11 | 河南检亿科技有限公司 | Fire resistance test device for medium-voltage cable and intelligent control method |
| CN113340892A (en) * | 2020-12-31 | 2021-09-03 | 江苏鑫海高导新材料有限公司 | Fire-resistant test method for copper conductor of fire-resistant cable |
| CN113884615A (en) * | 2021-08-31 | 2022-01-04 | 中国核电工程有限公司 | Flame-retardant test method for cable heat-shrinkable tubing |
| CN114926004A (en) * | 2022-05-13 | 2022-08-19 | 镇江西门子母线有限公司 | Method and system for evaluating fire resistance of ceramic-based composite bus duct |
| CN114965858A (en) * | 2022-06-02 | 2022-08-30 | 广州市建筑材料工业研究所有限公司 | Method and device for testing fire resistance of cable trough box |
| CN116990439A (en) * | 2023-09-21 | 2023-11-03 | 广东新亚光电缆股份有限公司 | Fire-resistant test system for copper core polyvinyl chloride insulated wire |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202486113U (en) * | 2012-03-05 | 2012-10-10 | 上海市电力公司 | Device for testing combustion performance of cable |
| CN202486112U (en) * | 2012-03-05 | 2012-10-10 | 上海市电力公司 | Device for cable combustion test |
| CN203148912U (en) * | 2013-01-24 | 2013-08-21 | 安徽省电力科学研究院 | Comprehensive combustion test device for single electric wire and cable |
| CN103630456A (en) * | 2013-11-14 | 2014-03-12 | 无锡华昊电器股份有限公司 | Simple and easy combustion instrument testing device |
| CN104215735A (en) * | 2014-10-04 | 2014-12-17 | 远东电缆有限公司 | Combustion testing box and loaded combustion testing method for fireproof cable |
| CN104215733A (en) * | 2013-05-30 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Cable flame-resistance testing device |
-
2015
- 2015-11-18 CN CN201510795950.2A patent/CN105301173A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202486113U (en) * | 2012-03-05 | 2012-10-10 | 上海市电力公司 | Device for testing combustion performance of cable |
| CN202486112U (en) * | 2012-03-05 | 2012-10-10 | 上海市电力公司 | Device for cable combustion test |
| CN203148912U (en) * | 2013-01-24 | 2013-08-21 | 安徽省电力科学研究院 | Comprehensive combustion test device for single electric wire and cable |
| CN104215733A (en) * | 2013-05-30 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Cable flame-resistance testing device |
| CN103630456A (en) * | 2013-11-14 | 2014-03-12 | 无锡华昊电器股份有限公司 | Simple and easy combustion instrument testing device |
| CN104215735A (en) * | 2014-10-04 | 2014-12-17 | 远东电缆有限公司 | Combustion testing box and loaded combustion testing method for fireproof cable |
Non-Patent Citations (1)
| Title |
|---|
| VECTORS123: "IEC UL 耐燃标准", 《百度文库》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525482A (en) * | 2016-11-18 | 2017-03-22 | 苏州市宏业灯具设备有限公司 | Fire-retardant cable sample detection device |
| WO2018090364A1 (en) * | 2016-11-21 | 2018-05-24 | 潘磊 | Fire resistance test device and fire resistance test method for high voltage cable for ship |
| CN109187617A (en) * | 2018-06-27 | 2019-01-11 | 金杯电工衡阳电缆有限公司 | A kind of 1500 DEG C of fire-resisting cable static state fire resistance test methods of superhigh temperature |
| CN109324149A (en) * | 2018-09-28 | 2019-02-12 | 江西圣塔电缆科技有限公司 | A kind of fire-retardant and resistance to fire detection device of cable |
| CN109324149B (en) * | 2018-09-28 | 2021-09-03 | 江西圣塔电缆科技有限公司 | Flame-retardant and fire-resistant detection device for cable |
| CN111189960A (en) * | 2020-01-10 | 2020-05-22 | 安徽复兴电缆集团有限公司 | Single cable vertical burning test device |
| CN111624298A (en) * | 2020-05-19 | 2020-09-04 | 广东南缆电缆有限公司 | Safety performance test method for overload non-combustible electric wire |
| CN113340892A (en) * | 2020-12-31 | 2021-09-03 | 江苏鑫海高导新材料有限公司 | Fire-resistant test method for copper conductor of fire-resistant cable |
| CN112946164A (en) * | 2021-01-19 | 2021-06-11 | 河南检亿科技有限公司 | Fire resistance test device for medium-voltage cable and intelligent control method |
| CN113884615A (en) * | 2021-08-31 | 2022-01-04 | 中国核电工程有限公司 | Flame-retardant test method for cable heat-shrinkable tubing |
| CN114926004A (en) * | 2022-05-13 | 2022-08-19 | 镇江西门子母线有限公司 | Method and system for evaluating fire resistance of ceramic-based composite bus duct |
| CN114926004B (en) * | 2022-05-13 | 2023-11-24 | 镇江西门子母线有限公司 | Method and system for evaluating fire resistance of ceramic matrix composite bus duct |
| CN114965858A (en) * | 2022-06-02 | 2022-08-30 | 广州市建筑材料工业研究所有限公司 | Method and device for testing fire resistance of cable trough box |
| CN116990439A (en) * | 2023-09-21 | 2023-11-03 | 广东新亚光电缆股份有限公司 | Fire-resistant test system for copper core polyvinyl chloride insulated wire |
| CN116990439B (en) * | 2023-09-21 | 2023-12-08 | 广东新亚光电缆股份有限公司 | Fire-resistant test system for copper core polyvinyl chloride insulated wire |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105301173A (en) | Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method | |
| CN212781058U (en) | Intelligent fault early warning management system for power cable | |
| CN103616620B (en) | A kind of traction substation feeder cable partial discharge monitoring method | |
| CN104296810A (en) | Intelligent integrated monitoring system of cable branch box | |
| CN106530575B (en) | A kind of monitoring of transmission line of electricity distribution mountain fire and prior-warning device and method | |
| CN206192541U (en) | High tension switchgear multiple spot monitoring system based on fiber optic distributed temperature measurement | |
| KR101491307B1 (en) | Air conditioning system for data center | |
| CN104406713A (en) | System for monitoring temperature of switching distribution cabinet online | |
| CN201946380U (en) | Polyether-ether-ketone insulating transformer early failure monitoring and communication cable | |
| KR101260062B1 (en) | Distributing board, mcc, and cabnet board having two dimensional heat-sensing robots by wireless trajectory and monitoring system | |
| CN207216823U (en) | A kind of smoke detection positioner | |
| CN105397727A (en) | Electric pole aloft work tool placement platform | |
| CN104618151A (en) | GIS technology-based ONU equipment fault location method for EPON network | |
| CN103984312A (en) | Control system for underground equipment | |
| CN209071867U (en) | A kind of safety protective mechanisms for second power equipment | |
| CN203931567U (en) | A kind of thermal resistance cable | |
| CN204732205U (en) | A kind of fire retardant insulating cable | |
| CN208459514U (en) | A kind of relay protection operational system | |
| CN106410727A (en) | Platform support for fixing wires | |
| CN102623101A (en) | An early stage fault monitoring communication cable for PEEK insulated transformer | |
| CN204290070U (en) | A kind of intelligent middle-placed switch cabinet | |
| CN204857267U (en) | Flame -retardant cable | |
| CN104950949A (en) | Temperature monitoring device and temperature monitoring method for cable interlayer | |
| CN105024295B (en) | Intelligent substation based on topological analysis is listed method | |
| CN204461614U (en) | A kind of optical fiber infrared wired remote warning device of primary cut-out hot stall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |