CN202793865U - Comprehensive electric short circuit simulator for authenticating fire disaster physical evidence - Google Patents
Comprehensive electric short circuit simulator for authenticating fire disaster physical evidence Download PDFInfo
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- CN202793865U CN202793865U CN 201220135710 CN201220135710U CN202793865U CN 202793865 U CN202793865 U CN 202793865U CN 201220135710 CN201220135710 CN 201220135710 CN 201220135710 U CN201220135710 U CN 201220135710U CN 202793865 U CN202793865 U CN 202793865U
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Abstract
The utility model relates to a comprehensive electric short circuit simulator for authenticating fire disaster physical evidence. The comprehensive electric short circuit simulator for authenticating fire disaster physical evidence comprises a circuit traction component, a blade, a spraying component, a flame burning component, a furnace body and a lead, wherein a traction lever is adopted as the circuit traction component and positioned at the same side or two opposite sides in the furnace body, the blade and the lead are arranged at the ends of the traction lever, the flame burning component is positioned at the inner bottom of the furnace body, the spraying component is fixedly arranged at the top in the furnace body, a heating opening of the flame burning component is aligned to the lead, and the spraying nozzle of the spraying component is aligned to the lead. The device comprising the components can be used for simulating the primary short circuit and secondary short circuit of an electric circuit, as well as simulating the influences of the fire disaster field environment and fire-fighting water on melted marks due to the primary short circuit, the secondary short circuit and burning.
Description
Technical field
The utility model relates to a kind of Fire material evidence evaluation electric short circuit comprehensive imitation device.
Background technology
The evaluation of electric wiring Melted mark caused by short circuit is the emphasis that the electrical fire material evidence is identified, is a key factor judging the electrical fire reason.But the Melted mark caused by short circuit of electric wiring is subjected to the long duration of action such as fire, fire water in fire, the metallographic structure of the Melted mark caused by short circuit of electric wiring is changed, the Melted mark caused by short circuit that affects electric wiring is identified, the related analogue means of the utility model can be simulated actual scene of fire, for the Melted mark caused by short circuit character of studying electric wiring lays the foundation.
Summary of the invention
The purpose of this utility model is to overcome the fully deficiency of simulated fire environment of existing analogue means, and the electric short circuit comprehensive imitation device of a kind of scene of fire environment is provided.
A kind of Fire material evidence of the utility model is identified and is used the short circuit comprehensive imitation device, comprise circuit traction element 1, blade 2, sprinkler part 3, flame combustion parts 4, body of heater 5 and wire 6, wherein: circuit traction element 1 adopts 2 towbars, be positioned at the homonymy of body of heater 5 or both sides in opposite directions, the end of towbar is provided with blade 2 and wire 6, flame combustion parts 4 are positioned at body of heater 5 inner bottom parts, sprinkler part 3 is fixed in body of heater 5 inner tops, and the heating gate of flame combustion parts 4 is aimed at wire 6, and the water jet of sprinkler part 3 is aimed at wire.
In the utility model, described body of heater 5 has temp regulating function, adopts cube or right cylinder.
In the utility model, the controllable temperature range of described body of heater is: room temperature ~ 1500 ℃.
In the utility model, described 2 towbars all can adopt manual control or machinery control.
In the utility model, described towbar is made by material fire-resistant, insulation, and its length is 0.1m ~ 10m.
In the utility model, described blade can be wedge shape or rectangle for the insulation blade.
In the utility model, described flame combustion parts 4 can adopt manual control or machinery control.
In the utility model, described body of heater 5 is provided with the body of heater heating arrangement.
The utlity model has following beneficial effect:
Temperature in the time of can controlling the electric wiring short circuit, have or not the situations such as flame, and the effect of flame combustion and fire water behind the electric wiring short circuit initiation fire of can controlling is on the impact of short circuit line.Have the advantage that the molten trace of first short circuit, second short circuit and baked wheaten cake all can be simulated, have simultaneously the advantage that all can simulate of loopful border key element.
Description of drawings
Fig. 1 is structural diagrams of the present utility model.
Number in the figure: 1 is the circuit traction element, and 2 is blade, and 3 is sprinkler part, and 4 is the flame combustion parts, and 5 is body of heater, and 6 is wire.
Embodiment
Further specify by reference to the accompanying drawings the utility model below by embodiment.
Embodiment 1: as shown in Figure 1, device comprises circuit traction element 1, blade 2, sprinkler part 3, flame combustion parts 4 and has body of heater 5 of temp regulating function etc.Described body of heater with temp regulating function is rectangular parallelepiped, but described heating furnace body 5 controllable temperature ranges are: room temperature ~ 1500 ℃.Described flame combustion parts 4 place the bottom of analogue means, can manually control or machinery control.Described circuit traction element has 2 towbars, can manually control or machinery control.2 towbars place in the body of heater 5 both sides in opposite directions.Towbar is made by material fire-resistant, insulation, and its length is 0.1m ~ 10m.Blade is equipped with in the towbar end, and blade is wedge shape for the insulation blade.
Said apparatus is subjected to the impact of fire water for simulation second short circuit and Secondary short circuited melted mark, light flame combustion component 4, body of heater 5 temperature settings are placed 700 ℃ (temperature that the scene of fire is common), keep a period of time, two charged wires 6 are fixed in circuit traction element 1 end, operation circuit traction element 1,2 charged wires 6 are in contact with one another, flame combustion parts 4 are with the insulating trip scaling loss of electric wire 6, the conductor of two wires 6 is in contact with one another, and is short-circuited, after short circuit occurs, after in body of heater 5, placing 20min, start sprinkler part 3, aim at the position water spray that is short-circuited, close subsequently flame combustion parts 4 and body of heater 5 heating arrangements, close sprinkler part 3 behind about 5min, take out wire 6.The Melted mark caused by short circuit of the wire 6 that takes out can be used for lab analysis.
Embodiment 2: simulation first short circuit and Primary short circuited melted mark are subjected to the impact of fire and temperature, the wire 6 that takes to is fixed on the circuit traction element 1, the insulation blade 2 that control is loaded in circuit traction element 1 end destroys the insulation of wires 6, operation circuit traction element 1 make live wire 6 mutually near until contact be short-circuited.Start flame combustion parts 4 after the short circuit, start body of heater 5 heating arrangements behind the 5min, control body of heater 5 temperature 900 degree are closed flame combustion parts 4 and body of heater 5 heating arrangements behind the 30min, to be cooledly take out wire 6 to room temperature.The Melted mark caused by short circuit that takes out can be used for the laboratory method analysis.
Claims (7)
1. a Fire material evidence is identified and is used the short circuit comprehensive imitation device, comprise circuit traction element (1), blade (2), sprinkler part (3), flame combustion parts (4), body of heater (5) and wire (6), it is characterized in that: circuit traction element (1) adopts (2) root towbar, be positioned at the homonymy of body of heater (5) or both sides in opposite directions, the end of towbar is provided with blade (2) and wire (6), flame combustion parts (4) are positioned at body of heater (5) inner bottom part, sprinkler part (3) is fixed in body of heater (5) inner top, and the heating gate of flame combustion parts (4) is aimed at wire (6), and the water jet of sprinkler part (3) is aimed at wire.
2. a kind of Fire material evidence according to claim 1 is identified and is used the short circuit comprehensive imitation device, it is characterized in that described body of heater (5) has temp regulating function, adopts cube or right cylinder.
3. a kind of Fire material evidence according to claim 1 is identified and is used the short circuit comprehensive imitation device, it is characterized in that described 2 towbars adopt manually control or machinery control.
4. a kind of Fire material evidence according to claim 1 is identified and use the short circuit comprehensive imitation device, it is characterized in that described towbar made by material fire-resistant, that insulate, and its length is 0.1m ~ 10m.
5. a kind of Fire material evidence according to claim 1 is identified and is used the short circuit comprehensive imitation device, it is characterized in that described blade (2) for the insulation blade, is wedge shape or rectangle.
6. a kind of Fire material evidence according to claim 1 is identified and is used the short circuit comprehensive imitation device, it is characterized in that described flame combustion parts (4) adopt manually control or machinery control.
7. a kind of Fire material evidence according to claim 1 is identified and is used the short circuit comprehensive imitation device, it is characterized in that described body of heater (5) is provided with the body of heater heating arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220135710 CN202793865U (en) | 2012-03-31 | 2012-03-31 | Comprehensive electric short circuit simulator for authenticating fire disaster physical evidence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220135710 CN202793865U (en) | 2012-03-31 | 2012-03-31 | Comprehensive electric short circuit simulator for authenticating fire disaster physical evidence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793865U true CN202793865U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220135710 Expired - Fee Related CN202793865U (en) | 2012-03-31 | 2012-03-31 | Comprehensive electric short circuit simulator for authenticating fire disaster physical evidence |
Country Status (1)
| Country | Link |
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| CN (1) | CN202793865U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776973A (en) * | 2014-03-04 | 2014-05-07 | 中山大学 | Electrical fire short circuit simulator and simulation method thereof |
| CN107014718A (en) * | 2017-06-08 | 2017-08-04 | 中山大学 | A kind of Quantitative measurement method of wire's welding trace inner void |
| CN107121613A (en) * | 2017-05-10 | 2017-09-01 | 公安部天津消防研究所 | A kind of Primary short circuited melted mark preparation method and device |
| 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 |
| CN110794256A (en) * | 2019-09-26 | 2020-02-14 | 广西电网有限责任公司电力科学研究院 | Analysis method for high-temperature fusing of transmission conductor in operation process |
-
2012
- 2012-03-31 CN CN 201220135710 patent/CN202793865U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776973A (en) * | 2014-03-04 | 2014-05-07 | 中山大学 | Electrical fire short circuit simulator and simulation method thereof |
| CN107121613A (en) * | 2017-05-10 | 2017-09-01 | 公安部天津消防研究所 | A kind of Primary short circuited melted mark preparation method and device |
| 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 |
| CN107121613B (en) * | 2017-05-10 | 2019-12-03 | 应急管理部天津消防研究所 | A kind of Primary short circuited melted mark preparation method and device |
| CN107014718A (en) * | 2017-06-08 | 2017-08-04 | 中山大学 | A kind of Quantitative measurement method of wire's welding trace inner void |
| CN107014718B (en) * | 2017-06-08 | 2019-10-25 | 中山大学 | A kind of Quantitative measurement method of wire's welding trace inner void |
| 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 |
| CN110794256A (en) * | 2019-09-26 | 2020-02-14 | 广西电网有限责任公司电力科学研究院 | Analysis method for high-temperature fusing of transmission conductor in operation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20160331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |