CN104958850A - Fire-extinguishment escape system for bus - Google Patents
Fire-extinguishment escape system for bus Download PDFInfo
- Publication number
- CN104958850A CN104958850A CN201510443067.7A CN201510443067A CN104958850A CN 104958850 A CN104958850 A CN 104958850A CN 201510443067 A CN201510443067 A CN 201510443067A CN 104958850 A CN104958850 A CN 104958850A
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- fire
- target image
- extinguishing
- escape
- public transport
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
Abstract
The invention relates to the bus fire-extinguishment escape field and in particular relates to a fire-extinguishment escape system for bus. The fire-extinguishment escape system for bus comprises a fire detection device, a control device, a fire extinguishment device and a glass breaking escape device, wherein the fire detection device is used for detecting flame by use of the characteristic of the sharp angle point of the flame and transmitting a detection signal to the control device; and the control device is used for judging whether a fire occurs, if the fire occurs, the fire extinguishment device and the glass breaking escape device are controlled to be linked. The fire-extinguishment escape system for bus has short fire detection time and high precision and can effectively prevent false alarm; the fire extinguishment device and the glass breaking escape device are linked, the escape channel can be broadened, and the personnel and property safety of passengers are effectively guaranteed.
Description
Technical field
The present invention relates to public transport fire-fighting life-saving field, particularly relate to a kind of public transport fire extinguishing escape system.
Background technology
Closed bus has mobile, complex environment, once fire spreading on fire is swift and violent especially, within the several seconds, often just sweeps across full car sealed by car door, allows the time of escape very short.Traditional light, cigarette, under complex environment, detection time is long, precision is low, especially easily report by mistake for temperature detection fire-fighting mode, and Detection results is undesirable, and effectiveness comparison is single can not the person of effective guarantee passenger and the safety of property.
Summary of the invention
The object of the present invention is to provide a kind of public transport fire extinguishing escape system, to solve the problem.
The embodiment provides a kind of public transport fire extinguishing escape system, comprising: fire detecting arrangement, control device, extinguishing device and broken glass escape device; Fire detecting arrangement is used for utilizing fire angle point patterns to detect flame, and detectable signal is sent to control device; Control device is used for judging whether breaking out of fire, as fire truly controls extinguishing device and the interlock of broken glass escape device.
Further, fire detecting arrangement comprises: target image collecting unit, for Real-time Collection target image information; Signal processing unit, for carrying out signal transacting, amplification to the target image information obtained; Flame identification unit, for by process, amplify after target image and background image carry out outline process, utilize fire angle point patterns identification flame, and convert the flare up fire of identification to level signal and transfer to described control device.
Further, target image collecting unit is the front end camera being arranged on the easy fire location of car body.
Further, flame identification unit specifically for: from background image, be partitioned into target image; Edge enhancing is carried out to the target image split, sketches the contours of the profile of target image; The characteristic point of the contours extract target image of based target image, and according to the Feature point recognition flame of target image; Wherein, characteristic point is the summit of wedge angle.
Further, extinguishing device comprises aerogenesis apparatus, extinguishing chemical tank body, injection apparatus, and aerogenesis apparatus and injection apparatus are connected with extinguishing chemical tank body; Aerogenesis apparatus is provided with electronic trigger lug, and electronic trigger lug is used for the fire extinguishing signal of receiving control device, starts the fire extinguishing of aerogenesis apparatus aerogenesis.
Further, injection apparatus comprises jet pipe and shower nozzle, and shower nozzle is inside spin structure, and the oblique angle edge of a knife is 75 degree of angles.
Further, extinguishing device adopts tridimensional structure and interconnect structure to arrange, tridimensional structure is divided into two-layer up and down, and interconnect structure is shower nozzle arranged crosswise.
Further, broken glass escape device comprise is connected with aerogenesis apparatus be in the striker treating cock, the gas tension crushing window glass of striker for being produced by aerogenesis apparatus.
Further, striker is provided with safety pin.
Compared with prior art the invention has the beneficial effects as follows: condition of a fire detection time is short, and precision is high, can effectively avoid the condition of a fire to report by mistake, and extinguishing device and broken glass escape device link, and can widen passway for escaping, the person of effective guarantee passenger and the safety of property.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the broken glass escape device of public transport of the present invention fire extinguishing.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Below in conjunction with instantiation and Figure of description, the present invention will be further described.
Shown in ginseng Fig. 1, Fig. 1 is the structured flowchart of the broken glass escape device of public transport of the present invention fire extinguishing.
Present embodiments provide a kind of public transport fire extinguishing escape system, comprising: fire detecting arrangement 10, control device 20, extinguishing device 30 and broken glass escape device 40; Fire detecting arrangement 10 detects flame for utilizing fire angle point patterns, and detectable signal is sent to control device 20; Control device 20, for judging whether breaking out of fire, truly controls extinguishing device 30 as fire and broken glass escape device 40 links.
The public transport fire extinguishing escape system that the present embodiment provides utilizes fire angle point patterns identification flame, and detection time is short, and precision is high, can the condition of a fire be effectively avoided to report by mistake, and extinguishing device and broken glass escape device link, and can widen passway for escaping, the person of effective guarantee passenger and the safety of property.This system is not only applicable to the fire extinguishing escape of bus, is applicable to the fire extinguishing escape in other enclosure spaces simultaneously yet.Control module 20, as the soul device of whole system, play upper and lower connection function, the signal of fire detecting arrangement 10 is processed, Integrated Algorithm carries out process and gets rid of wrong report, fault, provides data signal and extinguishing device 30 and broken glass escape device 40 are linked.Extinguishing device groundwork mode is the medicine body that electronics triggers extinguishing device, medicine body produces gas, 3% bioprotein foam liquid is mixed by gas compression, wash open and prevent counterflow unit from carrying out ejecting extinguishing according to the circuit laid, extinguishing device 30 is after receiving the enabling signal of control device 20 (digital controlled signal), extinguishing device can be started spray the covering of efficient foam extinguishing chemical in the very first time and control burning things which may cause a fire disaster within 3s, play and take away the firewood under the cauldron, the effect of isolated air Sum decomposition combustible volatile matter, the time that ejecting extinguishing device continues is 40-60s.Broken glass escape device 40 is mainly used in can automatically triggering when there is the condition of a fire or other emergencies, and shattered glass, opens window rapidly, widens passway for escaping.Whole system links, and also can manually boot extinguishing device and broken glass escape device, simultaneously also can other in emergency circumstances (vehicle rollover or overboard etc.) start separately broken glass escape device.
In the present embodiment, fire detecting arrangement 10 comprises:
Target image collecting unit 11, for Real-time Collection target image information;
Signal processing unit 12, for carrying out signal transacting, amplification to the target image information obtained;
Flame identification unit 13, for by process, amplify after target image and background image carry out outline process, utilize fire angle point patterns identification flame, and the flare up fire of identification converted to level signal and transfer to described control device 20.This flame identification unit 13 can adopt embedded chip, built-in chip type related algorithm.
In the present embodiment, target image collecting unit 11 is for being arranged on the front end camera of the easy fire location of car body.
In the present embodiment, flame identification unit 12 specifically for: from background image, be partitioned into target image; Edge enhancing is carried out to the target image split, sketches the contours of the profile of target image; The characteristic point of the contours extract target image of based target image, and according to the Feature point recognition flame of target image; Wherein, characteristic point is the summit of wedge angle, and fire angle summit may have a lot of, so just have a lot of characteristic points.For clarification of objective, mainly width, highly, these geometric characteristic such as area and figure's ratio.Flame is in the moment dynamically, and all geometric characteristic all can not represent with definite value, therefore only to provide scope roughly.
The present invention uses background subtraction that present image and reference picture (background image) are carried out outline operation, judge whether have fire at guarded region, background subtraction is also referred to as difference shadow figure method, a kind of image processing method being usually used in detected image change and moving object, as the preparation process of image processing work.Such as, image subtraction can being used to detect the difference of series of identical scene image, obtaining moving object relevant information by analyzing error image.One of most effective method of NI Vision Builder for Automated Inspection is set up in the comprehensive use of image subtraction and thresholding process often, and namely the image observed in a fire has identical scene.Background subtraction first by camera collection to continuous sequence image carry out giving processor and processing after A/D (Analog/Digital, i.e. mould/number) changes through capture card.
It should be noted that, except detecting dynamic object by difference image method, adopt fire angle point recognizer identification flame, the present invention also can adopt cross-correlation analysis method identification flame, cross-correlation analysis method adopts dual probe usually in flame detector structure, compared with the flame detector adopting list to pop one's head in, its main advantage is can the flame of certain particular section (two probe sight line intersection points) in detection probe sight line, thus it is different in the position in space from background flame according to the flame that will monitor, they clear and definite making a distinction, reach the correct object distinguished.Use two of relevant flame detector signals that probe detects, go, after high-low frequency weight, to make related operation through bandpass filter, namely obtain coefficient correlation.The criterion of flame identification also can adopt flame circularity, and circularity can weigh the regular degree of body form.Fire disaster flame out-of-shape, and most of interference source (as incandescent lamp, candle flame etc.) regular shape degree is higher.Therefore can using the criterion of the circularity of flame as fire identification.
In the present embodiment, extinguishing device 30 comprises aerogenesis apparatus 31 (storage with no pressure), extinguishing chemical tank body 32 (gas and foaming agent fully mix at this), injection apparatus 33 (for spray foam extinguishing chemical), and aerogenesis apparatus 31 and injection apparatus 33 are connected with extinguishing chemical tank body 32; Aerogenesis apparatus 31 is provided with electronic trigger lug, and electronic trigger lug is used for the fire extinguishing signal of receiving control device 20, starts the fire extinguishing of aerogenesis apparatus 31 aerogenesis.The gas that aerogenesis apparatus 31 produces is non-combustible gas, and can not produce harm to human body, comprises it and produces accessory substance.Aerogenesis apparatus 31 is wanted can not to start under the normal travel situations of vehicle, and triggering mode electric start, the reaction time is 150-200ms, and starting resistor and electric current are respectively 12V-2V, more than 0.8A.Meet the general curve in road of GB.
In the present embodiment, injection apparatus 33 comprises jet pipe and shower nozzle, and shower nozzle is inside spin structure, the oblique angle edge of a knife is 75 degree of angles, during guarantee spray fire extinguishing agent between spray angle 30-60 degree, angle changes according to injecting time, effectively can control the intensity of a fire and expand fire-fighting area.Setting height(from bottom) is determined according to actual conditions; Pipe design size, the spacing controlled well between shower nozzle, ensures to spray comprehensive covering.
In the present embodiment, extinguishing device 30 adopts tridimensional structure and interconnect structure to arrange, tridimensional structure is divided into two-layer up and down, interconnect structure is shower nozzle arranged crosswise, the shower nozzle realization intersection that interconnect structure is all, fill a vacancy up and down, ensure the injection density in space, control rapidly intensity of a fire fire extinguishing.This extinguishing device 30 adopts the upper and lower two-layer staggered form stereoscopic graticule fire extinguishing structure control intensity of a fire and fire extinguishing, rapidly the intensity of a fire of highly volatile burning of gas and human body clothing and other combustible parts in space can be controlled, the control in all directions on implementation space and ground and fire extinguishing, burning things which may cause a fire disaster can be cut off in the very first time and control spreading of the intensity of a fire, reduce the temperature in space, extinguish space combustible thus ensure the safety of life and property in public transport integrated environment.
In the present embodiment, broken glass escape device 40 comprise is connected with aerogenesis apparatus 31 be in the striker 41 treating cock, the gas tension crushing window glass of striker for being produced by aerogenesis apparatus 31.Escape device manually triggers two kinds of modes and starts with electronics, electronics triggers the main aerogenesis apparatus 31 of inside that relies on and carries out work, gas is produced rapidly in little confined space, pulling the trigger being in striker to be pulled the trigger rapidly because airtight space expands, producing impulsive force by glass crushing.Manual mode needs for striker arranges safety pin 42.Manually for hand is clapped, bouncing strength is that about 40N gets final product shattered glass, emergency, manually by opening safety pin 42 striker 41 shattered glass, avoids the misoperation of curious passenger.This safety pin does not affect electric start, is separately independent of each other.The broken glass escape device 40 of this system is mainly to widen passway for escaping, the passway for escaping of present public transport is confined to front and back door substantially, vehicle window is mostly closure property and safety hammer Loss is serious, when there is dangerous situation, personnel's stress tanglewracks and can not effectively hammer into shape or be difficult to remember these safe escape devices of use by use safety, this broken glass escape device 40 provides a kind of manual, automatic and manual/automatic integrated broken glass device, can passway for escaping be widened when there is various dangerous situation, reducing loss.
A series of detailed description listed is above only illustrating for feasibility embodiment of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
Claims (9)
1. a public transport fire extinguishing escape system, is characterized in that, comprising: fire detecting arrangement, control device, extinguishing device and broken glass escape device; Described fire detecting arrangement is used for utilizing fire angle point patterns to detect flame, and detectable signal is sent to described control device; Described control device is used for judging whether breaking out of fire, as fire truly control as described in extinguishing device and broken glass escape device interlock.
2. public transport fire extinguishing escape system according to claim 1, it is characterized in that, described fire detecting arrangement comprises:
Target image collecting unit, for Real-time Collection target image information;
Signal processing unit, for carrying out signal transacting, amplification to the target image information obtained;
Flame identification unit, for by process, amplify after target image and background image carry out outline process, utilize fire angle point patterns identification flame, and convert the flare up fire of identification to level signal and transfer to described control device.
3. public transport fire extinguishing escape system according to claim 2, it is characterized in that, described target image collecting unit is the front end camera being arranged on the easy fire location of car body.
4. public transport according to claim 2 fire extinguishing escape system, is characterized in that, described flame identification unit specifically for:
Target image is partitioned into from background image;
Edge enhancing is carried out to the target image split, sketches the contours of the profile of target image;
The characteristic point of the contours extract target image of based target image, and according to the Feature point recognition flame of target image; Wherein, described characteristic point is the summit of wedge angle.
5. public transport fire extinguishing escape system according to claim 1, it is characterized in that, described extinguishing device comprises aerogenesis apparatus, extinguishing chemical tank body, injection apparatus, and described aerogenesis apparatus and injection apparatus are connected with described extinguishing chemical tank body; Described aerogenesis apparatus is provided with electronic trigger lug, and described electronic trigger lug, for receiving the fire extinguishing signal of described control device, starts the fire extinguishing of described aerogenesis apparatus aerogenesis.
6. public transport fire extinguishing escape system according to claim 5, it is characterized in that, described injection apparatus comprises jet pipe and shower nozzle, and described shower nozzle is inside spin structure, and the oblique angle edge of a knife is 75 degree of angles.
7. public transport fire extinguishing escape system according to claim 6, is characterized in that, described extinguishing device adopts tridimensional structure and interconnect structure to arrange, described tridimensional structure is divided into two-layer up and down, and described interconnect structure is described shower nozzle arranged crosswise.
8. public transport fire extinguishing escape system according to claim 5, it is characterized in that, described broken glass escape device comprise be connected with described aerogenesis apparatus be in the striker treating cock, described striker is used for the gas tension crushing window glass that produced by described aerogenesis apparatus.
9. public transport fire extinguishing escape system according to claim 8, it is characterized in that, described striker is provided with safety pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510443067.7A CN104958850A (en) | 2015-07-23 | 2015-07-23 | Fire-extinguishment escape system for bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510443067.7A CN104958850A (en) | 2015-07-23 | 2015-07-23 | Fire-extinguishment escape system for bus |
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| CN104958850A true CN104958850A (en) | 2015-10-07 |
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| CN201510443067.7A Pending CN104958850A (en) | 2015-07-23 | 2015-07-23 | Fire-extinguishment escape system for bus |
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| RU2731970C1 (en) * | 2020-02-03 | 2020-09-09 | Акционерное общество "РОТЕК" (АО "РОТЕК") | Method for evaluation of technical system parameters output beyond preventive and emergency alarms |
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Application publication date: 20151007 |