CN105280074B - A kind of vehicle electric fire imitative experimental appliance and the method using its experiment - Google Patents
A kind of vehicle electric fire imitative experimental appliance and the method using its experiment Download PDFInfo
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- CN105280074B CN105280074B CN201510579719.XA CN201510579719A CN105280074B CN 105280074 B CN105280074 B CN 105280074B CN 201510579719 A CN201510579719 A CN 201510579719A CN 105280074 B CN105280074 B CN 105280074B
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- 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 present invention provides a kind of vehicle electric fire imitative experimental appliances, including electrical system, combustion box and safety box；Combustion box is equipped with flue dust collecting conduit, observation panel, combustible product tray inlet and outlet；Movable collet is equipped in the combustion box bottom；Observation panel is equipped with observation panel dodge gate；Combustible product tray inlet and outlet are equipped with combustible product tray and import and export dodge gate；Electrical system include indicator light, control power supply connect power switch and combustion box in two groups of wiring brackets and safety box in power supply；The power cathode connecting column connecting with power cathode is installed on wiring bracket described in one group, the positive pole connecting column connecting with positive pole is installed on another group of wiring bracket；Experiment sample cathode fixed frame is connected on the power cathode connecting column；Experiment sample anode fixed frame is connected on the positive pole connecting column.This experimental provision is at low cost, easy to operate, and experiment does not pollute the environment, safe and reliable.
Description
Technical field
The invention belongs to technical field of vehicle safety, more particularly, to a kind of vehicle electric fire imitative experimental appliance and answer
The method tested with it.
Background technique
Traditional automobile fire experiment is all the real vehicle will be scrapped with one to be tested, under normal circumstances, real
Automobile after testing just is scrapped completely, and such experiment is not only costly, but also safety is poor, also frequently pollutes environment.Separately
Outside, a vehicle is typically only capable to do primary experiment, if it is desired to repeat experiment and accurately be proved, then just needing to purchase more
Automobile, then the cost of experiment certainly will be considerably increased, while also resulting in the waste of resource.
Summary of the invention
In view of this, the present invention is directed to propose a kind of side of its experiment of vehicle electric fire imitative experimental appliance and application
Method, experimental expenses is low, easy to operate practical, securely and reliably, and also it is free from environmental pollution.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle electric fire imitative experimental appliance, including electrical system, combustion box and safety box；On the combustion box
Equipped with flue dust collecting conduit, observation panel, combustible product tray inlet and outlet；Movable collet is equipped in the combustion box bottom；The sight
Cha Kou is equipped with observation panel dodge gate；The combustible product tray inlet and outlet are equipped with combustible product tray and import and export dodge gate；It is described
Electrical system include indicator light, control power supply connect power switch and combustion box in two groups of wiring brackets and safety
Power supply in case；The power cathode connecting column connecting with power cathode, another group of wiring are installed on wiring bracket described in one group
The positive pole connecting column connecting with positive pole is installed on bracket；Experiment sample is connected on the power cathode connecting column
Cathode fixed frame；Experiment sample anode fixed frame is connected on the positive pole connecting column.
Further, the flue dust collecting conduit is arranged at the top of combustion box.
Further, the wiring bracket is equipped with multiple connecting column installation positions of different height.
Further, the power switch is located on the conducting wire connected between positive pole connecting column and power supply.
Further, the safety box is equipped with positive cable-through hole and cathode cable-through hole.
Further, it is all respectively set on the experiment sample cathode fixed frame and on the experiment sample anode fixed frame
There is multiple groups binding post.
The method that above-mentioned vehicle electric fire imitative experimental appliance carries out the experiment of auto electric first short circuit, including it is as follows
Step:
1) it first passes through power switch and disconnects power supply；
2) experiment sample anode fixed frame and experiment sample will be separately fixed at as the conducting wire of experiment sample or harness both ends
On the binding post of this cathode fixed frame；
3) confirmation power supply is connect reliably with positive pole connecting column and with power cathode connecting column, and by a vacant combustion
It burns object pallet to be placed on movable collet from combustible product tray inlet and outlet, closes combustible product tray and import and export dodge gate；
4) positive and negative electrode of indicator light is connect respectively on positive pole connecting column and power cathode connecting column；
5) collecting bag or smoke exhaust pipe are mounted on and are installed on flue dust collecting conduit；
6) it is closed power switch, until experiment sample fuses, indicator light is lighted, and experiment terminates.
Compared with the existing technology, present invention has the advantage that
This experimental provision is at low cost, easy to operate, and the exhaust gas that experimentation generates can be collected, will not be dirty
Contaminate environment.Experiment power supply is additional set can be explosion-proof safety box, avoid occurring after the long-term short circuit of battery exploding or combustion on fire
Phenomena such as burning or acid solution are splashed endangers experimenter, safe, practical, reliable.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is combustion box schematic diagram of internal structure 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 symbols:
1- safety box, 2- power supply, 3- connecting wire, 4- power switch, 5- indicator light, 5.1- combustion box, 5.2- handle,
5.3- activity collet, 5.4- combustible product tray inlet and outlet dodge gate, 5.5- observation panel dodge gate, 5.6- flue dust collecting conduit,
6- positive pole connecting column, 6.1- wiring bracket, 6.2- experiment sample anode fixed frame, 6.3- insulator, 6.4- comburant
Pallet, 6.5- experiment sample cathode fixed frame, 7- power cathode connecting column, 7.1- flame temperature sensor, 7.2- flame temperature
Digital display, 8- experiment sample, 9- observation panel, 10- combustible product tray inlet and outlet.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of vehicle electric fire imitative experimental appliance, as depicted in figs. 1 and 2, including electrical system, combustion box and safety
Case 1；The combustion box is equipped with flue dust collecting conduit 5.6, observation panel 9, combustible product tray inlet and outlet 10；In the combustion box
5.1 bottoms are equipped with the movable collet 5.3 of drawing and pulling type；The observation panel is equipped with observation panel dodge gate 5.5；The combustible product tray
Inlet and outlet are equipped with combustible product tray and import and export dodge gate 5.4；The electrical system includes that indicator light 5 and control power supply connect
The power supply 2 in two groups of wiring brackets 6.1 and safety box 1 in logical power switch 4 and combustion box 5.1；Described in one group
The power cathode connecting column 11 connecting with 2 cathode of power supply is installed on wiring bracket, is equipped on another group of wiring bracket and electricity
The positive pole connecting column 6 of 2 anode connection of source；Experiment sample cathode fixed frame is connected on the power cathode connecting column 11
6.5；Experiment sample anode fixed frame 6.2 is connected on the positive pole connecting column 6.Above-mentioned each dodge gate all preferably uses
The slotting door of type of push and pull up down, it is convenient, flexible, it is easily operated.
Observation panel dodge gate 5.5 observes flare when being used as experiment.Power switch 4 is the switch of experimental circuit on-off, generally
Knife switch is selected, since power switch 4 is under high current working condition always in an on state, so selection three connects column
Knife switch in parallel, it is easy to operate, failure rate is low, be convenient for observation state.Power supply 2 in safety box 1 generally selects battery.It needs
It is noted that the field constant current source system including generator and variable regulated power supply can also be arranged in this experimental provision,
When continuous operation in the field, continuing power can be provided by generator, electric power is continually conveyed to by reality by variable regulated power supply
Electrical verification source.
During carrying out various fire simulation experiments, according to experimental project difference, some need the life to different comburants
It tests at object, the product under different flame temperatures is different, can be in this reality in order to accurately monitor flame temperature
Setting includes the temperature acquisition system of flame temperature digital display and flame temperature sensor on experiment device.Flame temperature is passed
Sensor is mounted on the appropriate location in combustion box 5.1, and flame temperature digital display is installed on outside combustion box 5.1, tested
Cheng Zhong, can real-time detection to burning data, it is convenient and reliable.Wherein, flame temperature sensor can use thermocouple.
During carrying out vehicle electric fire simulated experiment, using the different size conducting wire made or harness as experiment
Sample is mounted in the combustion box 5.1 of vehicle electric fire imitative experimental appliance, is real using car battery as experimental power supply
Sample continued power is tested, by simulated automotive electrical primary short-circuit characteristic and second short circuit feature, it is short to be finally reached experiment sample
The effect of road fusing, in the process, the battery as experimental power supply is in always under extremely severe short-circuit condition, in order to
The safety for ensureing experimenter, avoids occurring after the long-term short circuit of battery exploding or harm phenomena such as catching fire or acid solution are splashed
Experimenter, the safety box 1 for playing power supply explosion-proof can select the finishing box of high-quality plastics, have impact resistance, it is corrosion-resistant,
It is fire-retardant, capping it is firm not easily to fall off, and it is low in cost the advantages that.The car battery that experiment uses is cheap, single is durable
Property it is strong, can repeated charge.In order to reach effect identical with real vehicle failure, so taking vehicle harness as experiment sample
Raw material.
It should be noted that in the short circuit of simulated automotive electrical primary and second short circuit and being finally reached experiment sample short circuit
During fusing, except the conducting wire of 5 the two poles of the earth of indicator light connection can be plain conductor, remaining conducting wire is due to that can be in extremely severe
Short-circuit condition under, so selecting 24V large size car owner supply lines as connecting wire, to ensure the standard of experiment safety and result
It is really reliable.
Wherein, the flue dust collecting conduit setting is at 5.1 top of combustion box.Above-mentioned combustion box 5.1 is with stainless steel square tube
As frame, stainless steel materials covering, integral strength is high, meanwhile, compact is easy to remove, fire resisting, and it is corrosion-resistant, it is easy to clean.
Since during carrying out vehicle electric fire simulated experiment, combustion box 5.1 is frequently necessary to move, therefore, on combustion box most
Handle 5.2 is set well.
Wherein, the wiring bracket is equipped with multiple connecting column installation positions of different height.Due to as experiment sample
Conducting wire or harness specification are different, in order to reach burning optimum state, can be used as wiring by the way of the punching of stainless steel square tube
Bracket, specifically, the hole beaten in stainless steel square tube can be the hole of multiple and different height and positions, to install experiment sample anode
Fixed frame or experiment sample cathode fixed frame.
Wherein, the power switch 4 is arranged on the conducting wire connected between positive pole connecting column and power supply.
Wherein, the safety box 1 is equipped with positive cable-through hole and cathode cable-through hole.
Wherein, it is all respectively equipped on the experiment sample cathode fixed frame and on the experiment sample anode fixed frame
Multiple groups binding post.
As shown in figure 3, above-mentioned vehicle electric fire imitative experimental appliance carries out the side of auto electric first short circuit experiment
Method includes the following steps:
It first passes through power switch 4 and disconnects power supply；
Experiment sample anode fixed frame and experiment sample will be separately fixed at as the conducting wire of experiment sample or harness both ends
On the binding post of this cathode fixed frame；
Confirmation power supply is connect reliably with positive pole connecting column and with power cathode connecting column, and by a vacant combustion
It burns object pallet to be placed on movable collet 5.3 from combustible product tray inlet and outlet, closes combustible product tray and import and export dodge gate；
The positive and negative electrode of indicator light 5 is connect respectively on positive pole connecting column and power cathode connecting column；
Collecting bag or smoke exhaust pipe are mounted on and are installed on flue dust collecting conduit；
It is closed power switch 4, until experiment sample fuses, indicator light 5 is lighted, and experiment terminates.
By simulated automotive electrical primary short-circuit characteristic, formed under different condition, different size harness primary short circuited melted bead
As research object, the composition of bead and metallographic are identified respectively, collected under different condition, different size harness is once short
The difference of road bead composition and metallographic, and form database.
As shown in figure 4, above-mentioned vehicle electric fire imitative experimental appliance carries out the side of auto electric second short circuit experiment
Method includes the following steps:
It first passes through power switch 4 and disconnects power supply；
The positive insulator of installation one, installs one on experiment sample cathode fixed frame on experiment sample anode fixed frame
Negative insulation；
One group is mounted on as the conducting wire of sample sample or one end of harness the wiring of experiment sample anode fixed frame
On column, the other end is mounted on negative insulation；Reality is mounted on as the conducting wire of sample sample or one end of harness by another group
It tests on the binding post of sample cathode fixed frame, the other end is mounted on positive insulator；
The positive and negative electrode of indicator light 5 is connect respectively on positive insulator and on negative insulation；
Confirmation power supply is connect reliably with positive pole connecting column and with power cathode connecting column, and by a vacant combustion
It burns object pallet to be placed on movable collet 5.3 from combustible product tray inlet and outlet, closes combustible product tray and import and export dodge gate；
Collecting bag or smoke exhaust pipe are mounted on and are installed on flue dust collecting conduit；
It is closed power switch 4, until experiment sample fuses, indicator light 5 extinguishes, and experiment terminates.
Since a large amount of smog and flame can be generated in combustion box 5.1 in experimentation, in order to reach real time monitoring fusing shape
State, so indicator light 5 is connected correctly in related circuit.
By external fire source simulated automotive electric secondary short-circuit characteristic, formed under different condition, different size harness is secondary
Short-circuit bead respectively identifies bead composition and metallographic as research object, collects under different condition, different size line
The difference of beam second short circuit bead composition and metallographic, and form database.
When being tested, in the state that experimental power supply (battery) and power switch 4 simultaneously switch off, sample will be tested
This is correctly fixed on experiment sample fixed frame according to the requirement of first short circuit simulated experiment or second short circuit simulated experiment, root
According to the difference of comburant and combustion system, the height and position of regulation experiment sample holders correctly connects the finger of circuit state
Show lamp driver, it is correct to connect experimental power supply and everywhere connecting wire 3, according to experimental project difference, by vacant combustible product tray
Or it is loaded with the combustible product tray for the specified comburant lighted, the activity of combustion box 5.1 is put into from combustible product tray inlet and outlet
On collet 5.3, external air flow is interfered in order to prevent, shuts combustible product tray inlet and outlet dodge gate.It can be in 5.1 internal frame of combustion box
If flame temperature sensor, accurately to measure burning.According to experimental project difference, collecting bag or smoke exhaust pipe are mounted on combustion
On the smoke exhaust pipe of saggar 5.1, it is closed power switch 4, the circuit of connection experimental power supply to experiment sample, experiment starts, simulation one
Secondary short circuit or second short circuit state, after experiment sample fusing or after flue dust collecting, experiment terminates.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of vehicle electric fire imitative experimental appliance, it is characterised in that: including electrical system, combustion box and safety box；Institute
Combustion box is stated equipped with flue dust collecting conduit, observation panel, combustible product tray inlet and outlet；Dump bottom is equipped in the combustion box bottom
Support；The observation panel is equipped with observation panel dodge gate；The combustible product tray inlet and outlet are equipped with combustible product tray inlet and outlet and live
Dynamic door；The electrical system includes two groups of wiring in power switch and combustion box that indicator light and control power supply are connected
Power supply in bracket and safety box；The power cathode connection connecting with power cathode is installed on wiring bracket described in one group
Column is equipped with the positive pole connecting column connecting with positive pole on another group of wiring bracket；On the power cathode connecting column
It is connected with experiment sample cathode fixed frame；Experiment sample anode fixed frame is connected on the positive pole connecting column；Except described
The conducting wire of indicator light the two poles of the earth connection is plain conductor, remaining conducting wire is all made of 24V large size car owner's supply lines as connecting wire；?
Combustion box is equipped with the temperature acquisition system comprising flame temperature digital display and flame temperature sensor；The wiring bracket
It is equipped with multiple connecting column installation positions of different height；On the experiment sample cathode fixed frame and the experiment sample anode is solid
Determine all respectively to be equipped with multiple groups binding post on frame.
2. a kind of vehicle electric fire imitative experimental appliance according to claim 1, it is characterised in that: the flue dust collecting
Conduit is arranged at the top of combustion box.
3. a kind of vehicle electric fire imitative experimental appliance according to claim 1, it is characterised in that: the power switch
It is arranged on the conducting wire connected between positive pole connecting column and power supply.
4. a kind of vehicle electric fire imitative experimental appliance according to claim 1, it is characterised in that: on the safety box
Equipped with positive cable-through hole and cathode cable-through hole.
5. a kind of application vehicle electric fire imitative experimental appliance described in claim 1 carries out the experiment of auto electric first short circuit
Method, which comprises the steps of:
1) it first passes through power switch and disconnects power supply；
2) experiment sample anode fixed frame will be separately fixed at as the conducting wire of experiment sample or harness both ends and experiment sample is born
On the binding post of pole fixed frame；
3) confirmation power supply is connect reliably with positive pole connecting column and with power cathode connecting column, and by a vacant comburant
Pallet is placed on movable collet from combustible product tray inlet and outlet, is closed combustible product tray and is imported and exported dodge gate；
4) positive and negative electrode of indicator light is connect respectively on positive pole connecting column and power cathode connecting column；
5) collecting bag or smoke exhaust pipe are mounted on and are installed on flue dust collecting conduit；
6) it is closed power switch, until experiment sample fuses, indicator light is lighted, and experiment terminates.
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Families Citing this family (5)
| 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 |
| 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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