CN202859958U - Automobile engine room burning preventing device - Google Patents
Automobile engine room burning preventing device Download PDFInfo
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- CN202859958U CN202859958U CN 201220470591 CN201220470591U CN202859958U CN 202859958 U CN202859958 U CN 202859958U CN 201220470591 CN201220470591 CN 201220470591 CN 201220470591 U CN201220470591 U CN 201220470591U CN 202859958 U CN202859958 U CN 202859958U
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- extinguishing chemical
- automobile engine
- magnetic valve
- bonnet
- burning device
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Abstract
The utility model discloses an automobile engine room burning preventing device, comprising an engine cover, wherein the engine cover consists of an upper plate and a bottom plate; the upper plate and the bottom plate of the engine cover define a cavity so as to form a burning preventing chamber; a fire extinguishing apparatus, an electromagnetic valve and an electronic control unit for controlling the electromagnetic valve are arranged in the burning preventing chamber; the fire extinguishing apparatus is connected with an air inlet of the electromagnetic valve; an air outlet of the electromagnetic valve is downwards so as to play a role in fire extinguishing; a temperature and smoke sensor is arranged below the bottom plate of the engine cover; the electronic control unit receives a signal of the smoke and temperature sensor and controls the action of the electromagnetic valve; the burning preventing device also comprises a collision sensor which is disposed on a front bumper of a vehicle; the electronic control unit receives a signal of the collision sensor and controls the action of the electromagnetic valve; and the engine room firing caused by sparks generated by circuit bonding, friction of mechanical parts, and the like after fuel oil leakage can be avoided effectively. The automobile engine room burning preventing device can effectively avoid or delay the happening of fire accidents of an engine room caused by various reasons, and is simple in structure, high in response speed and excellent in a fire extinguishing effect.
Description
Technical field
The utility model relates to a kind of automobile engine nacelle, is specifically related to the bonnet of enging cabin.
Background technology
During engine operation, maximum combustion temperature can reach 2500 ℃, even under the idling exercising condition, the mean temperature of combustion chamber is more than 1000 ℃, and therefore, the engine part that contacts with high-temperature fuel gas is by strong heating, usually at hot weather and under travelling for a long time, engine compartment temperature can generally raise, and cause part to be heated and make its mechanical properties decrease, and heat expansion causes the unfavorable results such as fit clearance destruction.Automobile travels under the operating mode of relative complex for a long time, also can be because enging cabin greasy filth stop up, and engine-cooling system irregular workings etc. cause engine compartment temperature to raise fast.Long-term heat radiation is untimely will to cause the accelerated ageings such as enging cabin plastics, rubber parts, cause the enging cabin line short, cause spontaneous combustion.In the head-on crash accident of automobile, often reveal the generation sparks such as rear circuit bonding and mechanical parts friction because of fuel oil and cause enging cabin on fire.In other faults of engine, also will cause enging cabin on fire such as blow back.When enging cabin generation pyrophoricity accident, present stage enging cabin do not have effective anti-flaming measure, can not be in time with fire suppression when accident occurs, fuel oil, plastics, rubber parts will burn rapidly, cause irremediable loss, will affect life safety when serious.
China national Department of Intellectual Property has announced utility model creation name on February 27th, 2008 and has been called a kind of automobile engine nacelle and luggage compartment Automatic Fire Extinguisher, the patent No. is 200620156408.9 utility model, according to its specification in conjunction with Figure of description as can be known, this fire extinguisher comprises Multicarity storage tank and positioner thereof, the Multicarity storage tank is separated into two groups or more air chamber, be separated into independently space with air chamber gas barrier sheet between each air chamber, be separated into two chambers that cold air sol powder extinguishing chemical are housed and drive the compressibility inert gas of usefulness in each air chamber, be provided with isolation air chamber pressure burst fragmentation or unidirectional rapid pressure relief valve between two chambers, each chamber cooperation is provided with Pressure gauge, in addition, a chamber cooperation at every group of air chamber is provided with a controlled shower nozzle; When fire occurs, controlled shower nozzle receives control signal, and controlled shower nozzle is opened, the just very fast ejection under compressed-air actuated driving of air chamber cold air sol powder extinguishing chemical of filling in the storage tank, the disperse of cold air sol powder is formed aerosol in the fire extinguishing space, reach the purpose of quick extinguishing.This fire extinguisher can be in the extinguishing property requirement of to a certain degree satisfying the small spaces such as enging cabin, but the deficiency of its existence is fixed for this fire extinguisher needs positioner, and complex structure assembles loaded down with trivial detailsly, and weight is large, and controlled shower nozzle poor sensitivity reaction is slow.
The utility model content
The purpose of this utility model is to provide a kind of automobile engine nacelle to prevent burning device, the generation spark such as circuit bonding and mechanical parts friction or when in other fault of engine, causing enging cabin generation pyrophoricity accident after can effectively solving available engine cabin internal cause line short, fuel oil and revealing, anti-flaming measure in the enging cabin is limited, causes easily the problem of vehicle or personal safety hidden danger.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of automobile engine nacelle is prevented burning device, comprise bonnet, it is characterized in that: bonnet is comprised of bonnet upper plate and bonnet base plate, hollow between bonnet upper plate and the bonnet base plate and form anti-flaming chamber, be provided with extinguishing device in the anti-flaming chamber, the electronic control unit of magnetic valve and control magnetic valve, the air inlet of extinguishing device connected electromagnetic valve, the gas outlet of magnetic valve towards under play fire extinguishing function, the bonnet floor below is provided with temperature and Smoke Sensor, and electronic control unit receives the signal controlling magnetic valve action of temperature and Smoke Sensor.
Further, anti-burning device also comprises crash sensor, crash sensor is located on the front truck bumper, the signal controlling magnetic valve action of electronic control unit Receiving collision sensor, and the enging cabin that can effectively avoid the generation sparks such as the rear circuit bonding of fuel oil leakage and mechanical parts friction to cause is on fire.
Further, extinguishing device comprises the extinguishing chemical air bag, is filled with compressed air and extinguishing chemical in the extinguishing chemical air bag, the discharging of solenoid control compressed air and extinguishing chemical.
Preferably, extinguishing chemical adopts the powdery extinguishing chemical, and powdery extinguishing chemical good extinguishing effect is stored easyly, and cost is low.
Further, the bonnet base plate is provided with through hole, and the gas outlet of magnetic valve is corresponding with through hole, sprays to enging cabin behind the extinguishing chemical process through hole of magnetic valve gas outlet ejection, and is simple in structure
Further, temperature and Smoke Sensor are distributed in the through hole outside.
Preferably, through hole is symmetricly set on the both sides of extinguishing chemical air bag length direction, and through hole evenly arranges on extinguishing chemical air bag length direction, and the powdery extinguishing chemical is evenly sprayed, and improves the fire extinguishing effect.
Further, bonnet upper plate below is provided with main backstop, and main backstop props up extinguishing chemical air bag top, is provided with two secondary bracing frames between bonnet upper plate and the bonnet base plate, and two secondary bracing frames are symmetrical along main backstop.
Further, connect by rubber hose between extinguishing chemical air bag and the magnetic valve, the rubber hose two ends all connect respectively extinguishing chemical air bag and magnetic valve by the quarter bend joint, connect reliably, improve functional reliability.
The utility model is owing to adopted technique scheme, can effectively prevent or delay enging cabin causes fire incident because of a variety of causes generation, electronic control unit receives respectively temperature and Smoke Sensor, the signal that crash sensor sends and monitored data, thus according to engine compartment temperature and climbing speed thereof, impact strength is carried out logical calculated, determine to open corresponding magnetic valve, and by-pass valve control aperture, implementation and operation, powdery extinguishing chemical in the extinguishing chemical air bag is scattered by the through hole on the bonnet and is covered in the enging cabin surface, thereby reach fire-retardant purpose by the powdery extinguishing chemical.Temperature and Smoke Sensor can Real-Time Monitoring enging cabin internal temperature and smog situations, when the enging cabin internal temperature not normal, temperature gradually elevation process reaches in the process that produces smog, temperature and Smoke Sensor provide signal and monitored data for electronic control unit, receive the control instruction that electronic control unit sends, implementation and operation by magnetic valve.When automobile crashed, crash sensor produced the relevant voltage signal according to impact strength, transfers to electronic control unit, received the control instruction that electronic control unit sends, implementation and operation by magnetic valve.The utility model is simple in structure, fast response time, good extinguishing effect.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the upward view of bonnet in the anti-burning device of a kind of automobile engine nacelle of the utility model;
Fig. 2 is that M-M among Fig. 1 is to cutaway view.
The specific embodiment
As depicted in figs. 1 and 2, be the anti-burning device of a kind of automobile engine nacelle of the utility model, comprise bonnet, bonnet is comprised of bonnet upper plate 3 and bonnet base plate 13, hollow between bonnet upper plate 3 and the bonnet base plate 13 and form anti-flaming chamber 15, bonnet upper plate 3 belows are provided with main backstop 8, and it is symmetrical along main backstop 8 to be provided with 10, two secondary bracing frames 10 of two secondary bracing frames between bonnet upper plate 3 and the bonnet base plate 13.Be provided with extinguishing device, magnetic valve 4 in the anti-flaming chamber 15 and be connected the electronic control unit 1 that data wire 2 connects control magnetic valve 4, extinguishing device comprises extinguishing chemical air bag 7, main backstop 8 props up extinguishing chemical air bag 7 tops, be filled with compressed air and extinguishing chemical in the extinguishing chemical air bag 7, extinguishing chemical adopts powdery extinguishing chemical 9, the discharging of magnetic valve 4 control compressed air and powdery extinguishing chemical 9.The air inlet 41 of extinguishing chemical air bag 7 connected electromagnetic valves 4 connects by rubber hose 6 between extinguishing chemical air bag 7 and the magnetic valve 4, and rubber hose 6 two ends all connect respectively extinguishing chemical air bag 7 and magnetic valve 4 air inlets 41 by quarter bend joint 5.Bonnet base plate 13 is provided with six through holes 14, and the gas outlet 42 of each magnetic valve 4 is corresponding with six through holes 14 respectively, the gas outlet 42 of magnetic valve 4 towards under can make powdery extinguishing chemical 9 spray to enging cabin to play fire extinguishing function.Through hole 14 is symmetricly set on the both sides of extinguishing chemical air bag 7 length directions, and through hole 14 evenly arranges on extinguishing chemical air bag 7 length directions.Bonnet base plate 13 belows are provided with six temperature and Smoke Sensor 12, temperature and Smoke Sensor 12 are distributed in through hole 14 outsides symmetrically, temperature and Smoke Sensor 12 are monitored respectively enging cabin inside everywhere temperature and smokescope fluctuation, and for electronic control unit 1 provides signal, electronic control unit 1 receives signal controlling magnetic valve 4 actions of temperature and Smoke Sensor 12.Anti-burning device also comprises crash sensor 11, and crash sensor 11 is located on the front truck bumper, provides signal for electronic control unit 1 when meeting with collision accident, signal controlling magnetic valve 4 actions of electronic control unit 1 Receiving collision sensor 11.
When the enging cabin internal temperature causes gradually elevation process and producing in the process of smog of temperature because mechanical breakdown, heat radiation are bad etc., temperature and Smoke Sensor 12 receive corresponding monitor signal, and be passed to electronic control unit 1, electronic control unit 1 carries out logical calculated according to engine compartment temperature and climbing speed thereof, whether determine opens solenoid valve 4, and by-pass valve control aperture, control compressed-air actuated gas output, powdery extinguishing chemical 9 in the air bag is scattered by the through hole 14 on the bonnet and is covered in the enging cabin surface, reach the fire-retardant purpose of secluding air.
Claims (9)
1. an automobile engine nacelle is prevented burning device, comprise bonnet, it is characterized in that: described bonnet is comprised of bonnet upper plate (3) and bonnet base plate (13), hollow between described bonnet upper plate (3) and the bonnet base plate (13) and form anti-flaming chamber (15), be provided with extinguishing device in the described anti-flaming chamber (15), the electronic control unit (1) of magnetic valve (4) and the described magnetic valve of control (4), the air inlet (41) of described extinguishing device connected electromagnetic valve (4), the gas outlet (42) of described magnetic valve (4) towards under play fire extinguishing function, described bonnet base plate (13) below is provided with temperature and Smoke Sensor (12), and described electronic control unit (1) receives signal controlling magnetic valve (4) action of temperature and Smoke Sensor (12).
2. a kind of automobile engine nacelle according to claim 1 is prevented burning device, it is characterized in that: described anti-burning device also comprises crash sensor (11), described crash sensor (11) is located on the front truck bumper, signal controlling magnetic valve (4) action of described electronic control unit (1) Receiving collision sensor (11).
3. a kind of automobile engine nacelle according to claim 1 is prevented burning device, it is characterized in that: described extinguishing device comprises extinguishing chemical air bag (7), be filled with compressed air and extinguishing chemical in the described extinguishing chemical air bag (7), the discharging of described magnetic valve (4) control compressed air and extinguishing chemical.
4. the anti-burning device of a kind of automobile engine nacelle according to claim 3 is characterized in that: described extinguishing chemical employing powdery extinguishing chemical (9).
5. a kind of automobile engine nacelle according to claim 1 is prevented burning device, and it is characterized in that: described bonnet base plate (13) is provided with through hole (14), and the gas outlet (42) of described magnetic valve (4) is corresponding with through hole (14).
6. a kind of automobile engine nacelle according to claim 1 is prevented burning device, it is characterized in that: described temperature and Smoke Sensor (12) are distributed in through hole (14) outside.
7. according to claim 5 or the anti-burning device of 6 described a kind of automobile engine nacelles, it is characterized in that: described through hole (14) is symmetricly set on the both sides of extinguishing chemical air bag (7) length direction, and described through hole (14) evenly arranges on extinguishing chemical air bag (7) length direction.
8. a kind of automobile engine nacelle according to claim 1 is prevented burning device, it is characterized in that: described bonnet upper plate (3) below is provided with main backstop (8), described main backstop (8) props up extinguishing chemical air bag (7) top, be provided with two secondary bracing frames (10) between described bonnet upper plate (3) and the bonnet base plate (13), described two secondary bracing frames (10) are symmetrical along main backstop (8).
9. a kind of automobile engine nacelle according to claim 1 is prevented burning device, it is characterized in that: connect by rubber hose (6) between described extinguishing chemical air bag (7) and the magnetic valve (4), described rubber hose (6) two ends all connect respectively extinguishing chemical air bag (7) and magnetic valve (4) by quarter bend joint (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220470591 CN202859958U (en) | 2012-09-16 | 2012-09-16 | Automobile engine room burning preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220470591 CN202859958U (en) | 2012-09-16 | 2012-09-16 | Automobile engine room burning preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202859958U true CN202859958U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220470591 Expired - Fee Related CN202859958U (en) | 2012-09-16 | 2012-09-16 | Automobile engine room burning preventing device |
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| CN (1) | CN202859958U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933689A (en) * | 2014-05-09 | 2014-07-23 | 冯旋宇 | Fire-extinguishing system and method |
| CN104260895A (en) * | 2014-09-19 | 2015-01-07 | 苏州天益航空科技有限公司 | Fire retardant device of agricultural plant protection unmanned aerial vehicle |
| CN107019863A (en) * | 2017-06-16 | 2017-08-08 | 倍登新能源科技（苏州）有限公司 | Automatic fire extinguisher applied to automobile power cell |
| CN108608973A (en) * | 2018-05-14 | 2018-10-02 | 周兴 | A kind of anticollision device for rear of truck |
| CN109017665A (en) * | 2018-06-20 | 2018-12-18 | 安徽恒泰机械股份有限公司 | A kind of new-energy automobile protective device |
| CN111494839A (en) * | 2020-04-28 | 2020-08-07 | 九江学院 | Automatic fire extinguishing method and system for automobile, mobile terminal and storage medium |
-
2012
- 2012-09-16 CN CN 201220470591 patent/CN202859958U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103933689A (en) * | 2014-05-09 | 2014-07-23 | 冯旋宇 | Fire-extinguishing system and method |
| CN104260895A (en) * | 2014-09-19 | 2015-01-07 | 苏州天益航空科技有限公司 | Fire retardant device of agricultural plant protection unmanned aerial vehicle |
| CN104260895B (en) * | 2014-09-19 | 2016-01-20 | 苏州天益航空科技有限公司 | Agricultural plant protection unmanned plane fire protection flame retarding device |
| CN107019863A (en) * | 2017-06-16 | 2017-08-08 | 倍登新能源科技（苏州）有限公司 | Automatic fire extinguisher applied to automobile power cell |
| CN108608973A (en) * | 2018-05-14 | 2018-10-02 | 周兴 | A kind of anticollision device for rear of truck |
| CN109017665A (en) * | 2018-06-20 | 2018-12-18 | 安徽恒泰机械股份有限公司 | A kind of new-energy automobile protective device |
| CN111494839A (en) * | 2020-04-28 | 2020-08-07 | 九江学院 | Automatic fire extinguishing method and system for automobile, mobile terminal and storage medium |
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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: 20130410 Termination date: 20140916 |
|
| EXPY | Termination of patent right or utility model |