CN105280074A - Automobile electrical fire simulation experiment device and experiment method applying same - Google Patents
Automobile electrical fire simulation experiment device and experiment method applying same Download PDFInfo
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- CN105280074A CN105280074A CN201510579719.XA CN201510579719A CN105280074A CN 105280074 A CN105280074 A CN 105280074A CN 201510579719 A CN201510579719 A CN 201510579719A CN 105280074 A CN105280074 A CN 105280074A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims description 14
- 238000004088 simulation Methods 0.000 title abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims abstract description 32
- 239000000779 smoke Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 20
- 239000003500 flue dust Substances 0.000 claims description 14
- 239000012212 insulator Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The invention provides an automobile electrical fire simulation experiment device, which comprises an electrical system, a combustion box and a safety box, wherein the combustion box is arranged in the electrical system; the burning box is provided with a smoke dust collecting duct, an observation port and a burning object tray inlet and outlet; a movable bottom support is arranged at the bottom of the combustion box; the observation port is provided with an observation port movable door; the inlet and outlet of the comburent tray are provided with a comburent tray inlet and outlet movable door; the electric system comprises an indicator light, a power switch for controlling the power switch, two groups of wiring brackets in the combustion box and a power supply in the safety box; a power supply cathode connecting post connected with a power supply cathode is arranged on one group of wiring brackets, and a power supply anode connecting post connected with a power supply anode is arranged on the other group of wiring brackets; the power supply negative connecting column is connected with an experimental sample negative fixing frame; and the power supply positive connecting column is connected with an experimental sample positive fixing frame. The experimental device has low cost, convenient operation, no environmental pollution in the experiment, safety and reliability.
Description
Technical field
The invention belongs to technical field of vehicle safety, especially relate to a kind of vehicle electric fire analogue experiment installation and apply its method of testing.
Background technology
Traditional automobile fire experiment is all that the real vehicle that will be about to scrap with is tested, and generally, the automobile after experiment has just been scrapped completely, and not only costly, and poor stability, also often pollutes the environment in such experiment.In addition, a car can only do usually once tests, and proves accurately, so just need to purchase more automobile, so certainly will considerably increase the cost of experiment, also result in the waste of resource simultaneously if want to repeat experiment.
Summary of the invention
In view of this, the present invention is intended to a kind of method proposing vehicle electric fire analogue experiment installation and apply its experiment, and low, the easy to operate practicality of experimental expenses is safe and reliable, and free from environmental pollution.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of vehicle electric fire analogue experiment installation, comprises electrical system, combustion box and safety box; Described combustion box is provided with flue dust collecting conduit, observation panel, combustible product tray import and export; Movable collet is provided with bottom described combustion box; Described observation panel is provided with observation panel dodge gate; Described combustible product tray is imported and exported and is provided with combustible product tray import and export dodge gate; Described electrical system comprises pilot lamp, controls two groups of wiring supports in the power switch of power supply connection and combustion box and the power supply in safety box; Wiring support described in one group is provided with the power cathode joint pin be connected with power cathode, another group wiring support is provided with the positive source joint pin be connected with positive source; Described power cathode joint pin is connected with experiment sample negative pole fixed mount; Described positive source joint pin is connected with experiment sample positive pole fixed mount.
Further, described flue dust collecting conduit is arranged on combustion box top.
Further, described wiring support is provided with multiple joint pin installation positions of differing heights.
Further, described power switch is located at positive source joint pin with on the wire be connected between power supply.
Further, described safety box is provided with positive pole cable-through hole and negative pole cable-through hole.
Further, be respectively equipped with all separately and organize binding post more on described experiment sample negative pole fixed mount and on described experiment sample positive pole fixed mount.
Above-mentioned vehicle electric fire analogue experiment installation carries out the method for auto electric first short circuit experiment, comprises the steps:
1. first by power switch deenergization;
2. will be separately fixed on the binding post of experiment sample positive pole fixed mount and experiment sample negative pole fixed mount as the wire of experiment sample or wire harness two ends;
3. confirm that power supply is connected reliably with positive source joint pin and with power cathode joint pin, and a vacant combustible product tray is placed into movable collet from combustible product tray import and export, closedown combustible product tray import and export dodge gate;
4. the positive and negative electrode of pilot lamp is connected on respectively on positive source joint pin and power cathode joint pin;
5. collecting bag or smoke exhaust pipe being arranged on is installed on flue dust collecting conduit;
6. closed electrical source switch, until experiment sample fusing, pilot lamp extinguishes, and experiment terminates.
Above-mentioned vehicle electric fire analogue experiment installation carries out the method for auto electric second short circuit experiment, comprises the steps:
1. first by power switch deenergization;
2. on experiment sample positive pole fixed mount, a positive pole insulator is installed, experiment sample negative pole fixed mount is installed negative insulation;
3. be arranged on the binding post of experiment sample positive pole fixed mount using one group as the wire of sample sample or one end of wire harness, the other end is arranged on negative insulation; Be arranged on the binding post of experiment sample negative pole fixed mount using another group as the wire of sample sample or one end of wire harness, the other end is arranged on positive pole insulator;
4. the positive and negative electrode of pilot lamp is connected on respectively on positive pole insulator with on negative insulation;
5. confirm that power supply is connected reliably with positive source joint pin and with power cathode joint pin, and a vacant combustible product tray is placed into movable collet from combustible product tray import and export, closedown combustible product tray import and export dodge gate;
6. collecting bag or smoke exhaust pipe being arranged on is installed on flue dust collecting conduit;
7. closed electrical source switch, until experiment sample fusing, pilot lamp extinguishes, and experiment terminates.
Relative to prior art, the present invention has following advantage:
This experimental provision cost is low, easy to operate, and the waste gas that experimentation produces can be collected, and does not pollute the environment.Experiment power supply is additional establish can be explosion-proof safety box, there is blast or the phenomenon such as catching fire or acid solution splashing harm experimenter after avoiding the long-term short circuit of accumulator, safe, practical, reliable.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is perspective view of the present invention;
Fig. 2 is combustion box inner structure schematic diagram of the present invention;
Fig. 3 is the wiring diagram that this experimental provision carries out the experiment of auto electric first short circuit;
Fig. 4 is the wiring diagram that this experimental provision carries out the experiment of auto electric second short circuit.
Description of reference numerals:
1-safety box, 2-power supply, 3-connects wire, 4-power switch, 5-pilot lamp, 5.1-combustion box, 5.2-handle, the movable collet of 5.3-, 5.4-combustible product tray imports and exports dodge gate, 5.5-observation panel dodge gate, 5.6-flue dust collecting conduit, 6-positive source joint pin, 6.1-wiring support, 6.2-experiment sample positive pole fixed mount, 6.3-insulator, 6.4-combustible product tray, 6.5-experiment sample negative pole fixed mount, 7-power cathode joint pin, 7.1-flame temperature sensor, 7.2-flame temperature digital indicator, 8-experiment sample, 9-observation panel, 10-combustible product tray is imported and exported.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
A kind of vehicle electric fire analogue experiment installation, as depicted in figs. 1 and 2, comprises electrical system, combustion box and safety box 1; Described combustion box is provided with flue dust collecting conduit 5.6, observation panel 9, combustible product tray import and export 10; The movable collet 5.3 of drawing and pulling type is provided with bottom described combustion box 5.1; Described observation panel is provided with observation panel dodge gate 5.5; Described combustible product tray is imported and exported and is provided with combustible product tray import and export dodge gate 5.4; Described electrical system comprises pilot lamp 5 and two groups of wiring supports 6.1 controlling in power switch 4 that power supply connects and combustion box 5.1 and power supply 2 in safety box 1; Wiring support described in one group is provided with the power cathode joint pin 11 be connected with power supply 2 negative pole, another group wiring support is provided with the positive source joint pin 6 be connected with power supply 2 positive pole; Described power cathode joint pin 11 is connected with experiment sample negative pole fixed mount 6.5; Described positive source joint pin 6 is connected with experiment sample positive pole fixed mount 6.2.Above-mentioned each dodge gate all preferably adopts the slotting door of type of push and pull up down, convenient, flexible, is easy to operation.
Flare is observed when observation panel dodge gate 5.5 is used as experiment.Power switch 4 is switches of experimental circuit break-make, generally selects knife switch, under power switch 4 is in big current duty in an on state all the time, so select three to connect post knife switch in parallel, simple to operate, failure rate is low, is convenient to observation state.Power supply 2 in safety box 1 generally selects accumulator.It should be noted that, this experimental provision can also arrange the field constant current source system comprising generator and variable stabilized voltage supply, when working continuously, continuing power can be provided by generator in the wild, by variable stabilized voltage supply, electric power be flowed to experimental power supply continually.
Carry out in various fire simulation experiment process, experimentally project is different, some needs is tested to the product of different comburant, product under different flame temperature is different, in order to monitor flame temperature accurately, can the temperature acquisition system comprising flame temperature digital indicator and flame temperature sensor be set on this experimental provision.Flame temperature sensor is arranged on the appropriate location in combustion box 5.1, it is outside that flame temperature digital indicator is installed on combustion box 5.1, in experimentation, burning data can be detected in real time, convenient and reliable.Wherein, flame temperature sensor can adopt thermopair.
Carrying out in vehicle electric fire simulated experiment process, using the different size wire made or wire harness as experiment sample, be arranged in the combustion box 5.1 of vehicle electric fire analogue experiment installation, take car battery as experiment sample continued power as experimental power supply, by simulated automotive electrical primary short-circuit characteristic and second short circuit feature, finally reach the effect of experiment sample circuit fusing, in the process, all the time under being in extremely severe short-circuit condition as the accumulator of experimental power supply, in order to ensure the safety of experimenter, blast or the phenomenon such as catching fire or acid solution splashing harm experimenter is there is after avoiding the long-term short circuit of accumulator, the safety box 1 playing power supply explosion-proof can select the box of high-quality plastics, have shock-resistant, corrosion-resistant, fire-retardant, the firm difficult drop-off of capping, and the advantage such as with low cost.Cheap, the single permanance of car battery that experiment uses is strong, can repeated charge.In order to reach the effect same with real vehicle fault phase, so take the starting material of vehicle harness as experiment sample.
It should be noted that, finally reach in the process of experiment sample circuit fusing in the short circuit of simulated automotive electrical primary and second short circuit, the wire connected except pilot lamp 5 the two poles of the earth can be plain conductor, all the other wires are due under being in extremely severe short-circuit condition, so select the large-scale car owner's supply lines of 24V as connection wire, to guarantee experiment safety and result accurately and reliably.
Wherein, described flue dust collecting conduit is arranged on combustion box 5.1 top.Above-mentioned combustion box 5.1 is using stainless steel square tube as framework, and stainless steel materials covering, bulk strength is high, and meanwhile, compact is convenient to mobile, fire-resistant, corrosion-resistant, easy to clean.Owing to carrying out in vehicle electric fire simulated experiment process, combustion box 5.1 is often needing mobile, therefore, combustion box preferably arranges handle 5.2.
Wherein, described wiring support is provided with multiple joint pin installation positions of differing heights.Due to as the wire of experiment sample or wire harness specification different, in order to reach burning optimum condition, the mode that stainless steel square tube can be adopted to punch is as wiring support, concrete, the hole that stainless steel square tube is beaten can be the hole of multiple differing heights position, in order to install experiment sample positive pole fixed mount or experiment sample negative pole fixed mount.
Wherein, described power switch 4 is arranged on positive source joint pin with on the wire be connected between power supply.
Wherein, described safety box 1 is provided with positive pole cable-through hole and negative pole cable-through hole.
Wherein, be respectively equipped with all separately and organize binding post more on described experiment sample negative pole fixed mount and on described experiment sample positive pole fixed mount.
As shown in Figure 3, above-mentioned vehicle electric fire analogue experiment installation carries out the method for auto electric first short circuit experiment, comprises the steps:
1. first by power switch 4 deenergization;
2. will be separately fixed on the binding post of experiment sample positive pole fixed mount and experiment sample negative pole fixed mount as the wire of experiment sample or wire harness two ends;
3. confirm that power supply is connected reliably with positive source joint pin and with power cathode joint pin, and a vacant combustible product tray is placed into movable collet 5.3 from combustible product tray import and export, closedown combustible product tray import and export dodge gate;
4. the positive and negative electrode of pilot lamp 5 is connected on respectively on positive source joint pin and power cathode joint pin;
5. collecting bag or smoke exhaust pipe being arranged on is installed on flue dust collecting conduit;
6. closed electrical source switch 4, until experiment sample fusing, pilot lamp 5 extinguishes, and experiment terminates.
By simulated automotive electrical primary short-circuit characteristic, under forming different condition, different size wire harness primary short circuited melted bead is as research object, respectively the composition of bead and metallographic are identified, under collecting different condition, the difference of different size wire harness primary short circuited melted bead composition and metallographic, and form database.
As shown in Figure 4, above-mentioned vehicle electric fire analogue experiment installation carries out the method for auto electric second short circuit experiment, comprises the steps:
1. first by power switch 4 deenergization;
2. on experiment sample positive pole fixed mount, a positive pole insulator is installed, experiment sample negative pole fixed mount is installed negative insulation;
3. be arranged on the binding post of experiment sample positive pole fixed mount using one group as the wire of sample sample or one end of wire harness, the other end is arranged on negative insulation; Be arranged on the binding post of experiment sample negative pole fixed mount using another group as the wire of sample sample or one end of wire harness, the other end is arranged on positive pole insulator;
4. the positive and negative electrode of pilot lamp 5 is connected on respectively on positive pole insulator with on negative insulation;
5. confirm that power supply is connected reliably with positive source joint pin and with power cathode joint pin, and a vacant combustible product tray is placed into movable collet 5.3 from combustible product tray import and export, closedown combustible product tray import and export dodge gate;
6. collecting bag or smoke exhaust pipe being arranged on is installed on flue dust collecting conduit;
7. closed electrical source switch 4, until experiment sample fusing, pilot lamp 5 extinguishes, and experiment terminates.
Due in experimentation, a large amount of smog and flame being produced in combustion box 5.1, monitoring blown state in real time to reach, so pilot lamp 5 will be connected correctly in related circuit.
By external burning things which may cause a fire disaster simulated automotive electric secondary short-circuit characteristic, under forming different condition, different size wire harness second short circuit bead is as research object, respectively bead composition and metallographic are identified, under collecting different condition, the difference of different size wire harness second short circuit bead composition and metallographic, and form database.
When needing to test, under the state that experimental power supply (accumulator) and power switch 4 disconnect simultaneously, by experiment sample according to the requirement of first short circuit simulated experiment or second short circuit simulated experiment correct be fixed on experiment sample fixed mount, according to the difference of comburant and combustion system, the height and position of regulation experiment sample holders, the pilot lamp circuit of correct connecting circuit state, exact connect ion experimental power supply and everywhere connection wire 3, experimentally project is different, by vacant combustible product tray or the combustible product tray being loaded with the appointment comburant lighted, importing and exporting from combustible product tray puts into the movable collet 5.3 of combustion box 5.1, disturb to prevent external air flow, shut combustible product tray and import and export dodge gate.Flame temperature sensor can be set up, accurately to record burning in combustion box 5.1.Experimentally project is different, collecting bag or smoke exhaust pipe are arranged on the smoke exhaust pipe of combustion box 5.1, closed electrical source switch 4, connect the circuit of experimental power supply to experiment sample, experiment starts, simulation first short circuit or second short circuit state, when after experiment sample fusing or after flue dust collecting, experiment terminates.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a vehicle electric fire analogue experiment installation, is characterized in that: comprise electrical system, combustion box and safety box; Described combustion box is provided with flue dust collecting conduit, observation panel, combustible product tray import and export; Movable collet is provided with bottom described combustion box; Described observation panel is provided with observation panel dodge gate; Described combustible product tray is imported and exported and is provided with combustible product tray import and export dodge gate; Described electrical system comprises pilot lamp and two groups of wiring supports controlling in power switch that power supply connects and combustion box and power supply in safety box; Wiring support described in one group is provided with the power cathode joint pin be connected with power cathode, another group wiring support is provided with the positive source joint pin be connected with positive source; Described power cathode joint pin is connected with experiment sample negative pole fixed mount; Described positive source joint pin is connected with experiment sample positive pole fixed mount.
2. a kind of vehicle electric fire analogue experiment installation according to claim 1, is characterized in that: described flue dust collecting conduit is arranged on combustion box top.
3. a kind of vehicle electric fire analogue experiment installation according to claim 1, is characterized in that: described wiring support is provided with multiple joint pin installation positions of differing heights.
4. a kind of vehicle electric fire analogue experiment installation according to claim 1, is characterized in that: described power switch is arranged on positive source joint pin with on the wire be connected between power supply.
5. a kind of vehicle electric fire analogue experiment installation according to claim 1, is characterized in that: described safety box is provided with positive pole cable-through hole and negative pole cable-through hole.
6. a kind of vehicle electric fire analogue experiment installation according to claim 1, is characterized in that: be respectively equipped with all separately on described experiment sample negative pole fixed mount and on described experiment sample positive pole fixed mount and organize binding post more.
7. application rights requires that the vehicle electric fire analogue experiment installation described in 1 carries out a method for auto electric first short circuit experiment, it is characterized in that, comprises the steps:
1. first by power switch deenergization;
2. will be separately fixed on the binding post of experiment sample positive pole fixed mount and experiment sample negative pole fixed mount as the wire of experiment sample or wire harness two ends;
3. confirm that power supply is connected reliably with positive source joint pin and with power cathode joint pin, and a vacant combustible product tray is placed into movable collet from combustible product tray import and export, closedown combustible product tray import and export dodge gate;
4. the positive and negative electrode of pilot lamp is connected on respectively on positive source joint pin and power cathode joint pin;
5. collecting bag or smoke exhaust pipe being arranged on is installed on flue dust collecting conduit;
6. closed electrical source switch, until experiment sample fusing, pilot lamp extinguishes, and experiment terminates.
8. application rights requires that the vehicle electric fire analogue experiment installation described in 1 carries out a method for auto electric second short circuit experiment, it is characterized in that, comprises the steps:
1. first by power switch deenergization;
2. on experiment sample positive pole fixed mount, a positive pole insulator is installed, experiment sample negative pole fixed mount is installed negative insulation;
3. be arranged on the binding post of experiment sample positive pole fixed mount using one group as the wire of sample sample or one end of wire harness, the other end is arranged on negative insulation; Be arranged on the binding post of experiment sample negative pole fixed mount using another group as the wire of sample sample or one end of wire harness, the other end is arranged on positive pole insulator;
4. the positive and negative electrode of pilot lamp is connected on respectively on positive pole insulator with on negative insulation;
5. confirm that power supply is connected reliably with positive source joint pin and with power cathode joint pin, and a vacant combustible product tray is placed into movable collet from combustible product tray import and export, closedown combustible product tray import and export dodge gate;
6. collecting bag or smoke exhaust pipe being arranged on is installed on flue dust collecting conduit;
7. closed electrical source switch, until experiment sample fusing, pilot lamp extinguishes, and experiment terminates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510579719.XA CN105280074B (en) | 2015-09-11 | 2015-09-11 | Automobile electrical fire simulation experiment device and experiment method applying same |
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| CN201510579719.XA CN105280074B (en) | 2015-09-11 | 2015-09-11 | Automobile electrical fire simulation experiment device and experiment method applying same |
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| CN105280074B CN105280074B (en) | 2019-01-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106680416A (en) * | 2016-12-15 | 2017-05-17 | 青岛海尔股份有限公司 | Domestic appliance ignition simulation laboratory and detection method of simulated ignition of domestic appliances |
| CN107153016A (en) * | 2017-05-10 | 2017-09-12 | 公安部天津消防研究所 | A kind of Secondary short circuited melted mark preparation facilities and method |
| CN107854799A (en) * | 2017-12-07 | 2018-03-30 | 公安部上海消防研究所 | A kind of more scene electric short circuit analogue experiment installations and method |
| CN108008224A (en) * | 2017-12-28 | 2018-05-08 | 贵州大学 | Analog conducting wire forms the device of molten trace bead in fire incident |
| CN110322769A (en) * | 2019-07-31 | 2019-10-11 | 国网湖南省电力有限公司 | A kind of packaged type power cable fire smoldering test platform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680416A (en) * | 2016-12-15 | 2017-05-17 | 青岛海尔股份有限公司 | Domestic appliance ignition simulation laboratory and detection method of simulated ignition of domestic appliances |
| CN107153016A (en) * | 2017-05-10 | 2017-09-12 | 公安部天津消防研究所 | A kind of Secondary short circuited melted mark preparation facilities and method |
| CN107854799A (en) * | 2017-12-07 | 2018-03-30 | 公安部上海消防研究所 | A kind of more scene electric short circuit analogue experiment installations and method |
| CN107854799B (en) * | 2017-12-07 | 2022-12-30 | 应急管理部上海消防研究所 | Multi-scene electrical short circuit simulation experiment device and method |
| CN108008224A (en) * | 2017-12-28 | 2018-05-08 | 贵州大学 | Analog conducting wire forms the device of molten trace bead in fire incident |
| CN110322769A (en) * | 2019-07-31 | 2019-10-11 | 国网湖南省电力有限公司 | A kind of packaged type power cable fire smoldering test platform |
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| Publication number | Publication date |
|---|---|
| CN105280074B (en) | 2019-01-25 |
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