CN2721140Y - Safety device with smoke suction for fire lifesaving - Google Patents

Abstract

The utility model discloses a fire safety device with negative pressure for fume leading, relating to a fire safety equipment device by which the negative pressure is used to lead fume and exhaust the fume when fire is happened in a building, comprising a vertical fume exhaust path which is connected with each fume leading automatic door to form a special path for exhausting the fume. The opening of a blower fan is connected into the vertical fume exhaust path, the fluidic free sucking principle is used to make the negative pressure generate in the vertical fume exhaust path to attract the high temperature toxic fume to enter into the vertical fume exhaust path to be exhausted into the atmosphere. An exhaust fume path opening and a safe outlet are arranged separately to form the people's flow direction and the flow direction of the fume which run on each path are separated. Each layer of the building is provided with a fireworks detector and an alarm, a signal is sent by an electric control gear to alarm and start the blower fan and open the automatic door to lead the fume and exhaust the fume when the fire is happened. A dynamic supply source is especially arranged, and an electric storing type direct current supply source shielding is adopted to lay the observation and the control to ensure the power supply. The utility model which can exhaust the fume in time at the first time of the fire is simple, rapid and reliable. The fume is led to away from a secure path to effectively avoid the evacuation person's asphyxia, poisoning and casualty, the condition of disaster can be alleviated, and the economic losses can be reduced. The utility model is widely used in various buildings, public places and tall buildings.

Description

Negative pressure is drawn cigarette fire safety device

Technical field: the utility model relates to the negative pressure of breaking out of fire in the relative close type building and draws cigarette fire safety apparatus, and especially a kind of negative pressure is drawn the fire safety device that cigarette is dredged discharge.

Background technology: the building of present various relative closure, for example market, supermarket, school, apartment, dancing hall, office building, skyscraper etc. all adopt the fire safety measure that fire-fighting equipment is set and escape way, extra exit are set usually.But, actual report after the breaking out of fire all over the world, after fire takes place, big fire, dense smoke and pernicious gas just make progress naturally, to diffusion everywhere, flue gas at first can seal walkway, stair road and " escape way ", " extra exit " etc., cause the Field Force not have the road escape, among flurried and pyrotechnics fill the air, more can't seek fire-fighting equipment and put out a fire.The accumulation of heat aggravates the condition of a fire rapidly, and when the fire fighter was on the scene by the time, the dense smoke big fire made the fire fighter also be difficult to enter.Because on-the-spot severe depletion of oxygen, most of wrecked personnel are suffocated by the high temperature pernicious gas and poison and dead, and in personnel's places with dense, consequence is just serious more.The fact shows that existing fire safety measure still is left to be desired.In view of present various building, building, with regard to its overall space, great majority all are relative closures, and space and passage are human needs and design, and reserve exit route for the burst fire smoke.The people does not stay to cigarette, and cigarette is not also given people Liu Lu, in case breaking out of fire because flue gas is hopeless, just can be spread rapidly in building, at first occupies People's Bank of China's escape way, and is full of whole space gradually, and there's nowhere to run to make the people.The fact shows: fire prevention as harness the river, and must respect for nature, dredge to last.

The utility model content: the purpose of this utility model is, overcomes the deficiencies in the prior art part, provides a kind of negative pressure to draw cigarette fire safety device.Negative pressure described in the utility model is drawn cigarette fire safety device, is to generate negative pressure with blower fan during breaking out of fire in the building to draw the apparatus that cigarette is dredged discharge by the vertical setting of types cigarette channel.On the escape way of building outlet both sides the vertical setting of types cigarette channel is set, each floor top is provided with draws mouth and draws the cigarette automatically-controlled door, and each floor draws mouth by drawing the cigarette automatically-controlled door and the vertical setting of types cigarette channel links, and forms the designated lane that fire smoke effluxes.And setting is used for producing the electric fan of negative pressure.Said electric fan is exactly fan of the present utility model and following blower fan.The superiors that fan is arranged on building are the roof position in other words, and the ground that following blower fan is arranged on building is the position of the bottom in other words.Just be provided with fan at the top position of building, be provided with blower fan down at the position of the building bottom, fan and following the blower fan all outlet of the top in the vertical setting of types cigarette channel are sent high velocity air.According to hydromechanical suction principle, the high velocity air that blower fan is sent can make and produce negative pressure in the vertical setting of types cigarette channel, a large amount of flue gases that this negative pressure can generate fire and heat attract to be collected in the vertical setting of types cigarette channel fast, and concentrate upwards to be discharged in the building atmosphere in addition and go.Can also take away a large amount of heats and replace naturally in smoke evacuation and enter ozone, the minimizing of flue gas, heat and orientation are drawn and are spread slowing down the condition of a disaster greatly; The fresh air that displacement enters can effectively improve the especially air quality of People's Bank of China's escape way of scene of fire.This saves oneself with regard to the evacuation of giving the scene of fire personnel and advantage has been created in external staff's the rescue that enters, and wins valuable time.Negative pressure described in the utility model is drawn the vertical setting of types cigarette channel inlet of cigarette fire safety device, is arranged on the both sides in escape way outlet orientation, and it is higher to draw the mouth position, and the gas field distribution and the evacuating personnel stream that can form plume are separated from each other.Can make its escape way and outlet with on the flue gas flow direction, draw away like this, personnel, flue gas are taken their own roads, effectively reduce the infringement of flue gas, thereby reach the purpose that helps evacuating personnel, reduces casualties the people to both sides away from evacuating personnel.Time is life, and this device can in time draw cigarette, heat extraction in the very first time after fire takes place, and not only can reduce casualties but also can reduce economic loss, and its emphasis is the life security of the protection person.Core of the present utility model is, the vertical setting of types cigarette channel is arranged on the both sides that escape way exports, and separates and shunting in order to personnel's flue gas; Utilizing fan airflow generation negative pressure to attract flue gas to enter the vertical setting of types cigarette channel according to the suction principle of fluid also concentrates orientation to enter atmosphere; Can avoid the blower fan heat damage at vertical setting of types cigarette channel outer setting blower fan.

Negative pressure described in the utility model is drawn cigarette fire safety device and is taked following technical scheme to realize.It include fan, down blower fan, vertical setting of types cigarette channel, draw cigarette automatically-controlled door, smoke detector, fire-alarm, electric control gear and form.Respectively drawing the top that the cigarette automatically-controlled door is installed in each floor links with the vertical setting of types cigarette channel respectively.When the moment that fire takes place, after smoke detector detects the condition of a fire, at once signal is delivered to electric control gear, the electric control gear sender starts fan, following blower fan, connects alarm, and opens the relevant cigarette automatically-controlled door that draws simultaneously.According to hydromechanical suction principle and experimental results show that: the following blower fan in vertical setting of types cigarette channel bottom is equipped with the interlock air door, blows in the vertical setting of types cigarette channel at once after opening simultaneously, and from bottom to top distinguished and admirable makes respectively to be drawn cigarette automatically-controlled door place and produce negative pressure in the passage; Fan at vertical setting of types cigarette channel outlet position is not established air door, and the air outlet of fan inserts in the vertical setting of types cigarette channel, and the high velocity air of sending to the smoke evacuation outlet also can make in the vertical setting of types cigarette channel and produce negative pressure, and each floor draws the mouth place all has negative pressure to produce.At this moment the negative pressure that the cigarette automatically-controlled door is drawn in the fire alarm that is opened can attract high-temperature flue gas to flow fast in the vertical setting of types cigarette channel in time, and by the concentrated atmosphere that upwards enters of vertical setting of types cigarette channel.The high temperature of fire poison gas has had concentrates the flow direction smoothly, just can significantly reduce the diffusion to everywhere.Because vertical setting of types cigarette channel inlet orientation is arranged on the both sides in escape way outlet orientation, and it is higher to draw the mouth position, and the gas field distribution and the evacuating personnel stream that can form plume are separated from each other.Fire smoke can be flowed to like this and go up, draw away to both sides, make its escape way and outlet away from evacuating personnel, personnel, flue gas are taken their own roads, thereby can alleviate the harmful pollution of flue gas greatly to People's Bank of China's escape way, replaced simultaneously the fresh air that enters naturally, can create favorable conditions, try to gain time precious to one for the Field Force utilizes escape way to evacuate to save oneself.The fan power of this device requires to lay specially, has a power failure to avoid fire incident; Detector, alarm, automatically-controlled door, electric control gear adopt the energy storage type dc source, and conductor shielding lays, to guarantee the reliable power supply of scene of fire control system.Look the size of the floor area of building, can number be installed at its diverse location and overlap this device.Arbitrary in fan, the following blower fan all can make generation negative pressure in the vertical setting of types cigarette channel, the usefulness of reserve insurance each other.Following blower fan dress air door can play contingency and play airtight blower fan mouth when blower fan breaks down down, and fan need not be adorned air door.Under the objectionable situation in space, can only adorn one, install still effective.Just in case it is malfunctioning that two typhoon machines all have a power failure, as long as guaranteeing that the dc controlled system can open draws the cigarette automatically-controlled door, the natural gravitation that this device still can lean on hot-air to rise is discharged fume.The vertical setting of types cigarette channel only stays straight-through atmosphere suitable for reading, and other position is all sealed, to keep the effective negative pressure in the passage.The exhaust opening that the vertical setting of types cigarette channel makes progress leads directly to atmosphere, helps like this discharging fume unblocked and does not bring disaster to and damage the neighbours.It is normally closed at ordinary times respectively to draw the cigarette automatically-controlled door, has only just to open this automatically draw the cigarette automatically-controlled door after certain floor detects fire cigarette temperature signal, can make the negative pressure value that keeps maximum in the passage to improve flue gas velocity like this.Floor exhaust opening inwardly continued access draws the smoke pipe road.

The effect that negative pressure described in the utility model is drawn cigarette fire safety device is simple in structure, and it is convenient to implement, and does not influence the inherent structure of building.Robot control system(RCS) is swift in response, can in time discharge fume in the very first time after fire takes place, heat extraction, smoke evacuation fast, reliable, efficient.Can introduce the air quality that the displacement fresh air improves escape way by nature in the time of smoke evacuation, heat extraction, save oneself for Field Force's evacuation and to create favorable conditions and can try to gain time precious to one, can effectively reduce the person poisoning injures and deaths of suffocating, and can slow down the condition of a disaster and stretch, reduce economic loss.Be widely used on public places such as market, supermarket, school, apartment, dancing hall, office building and the high-rise.

Description of drawings: Fig. 1 is the structural representation that negative pressure described in the utility model is drawn cigarette fire safety device.Fig. 2, Fig. 3, Fig. 4 are that negative pressure is drawn cigarette fire safety Unit Installation address schematic diagram.Blower fan 2-vertical setting of types cigarette channel 3-draws cigarette automatically-controlled door 4-smoke evacuation outlet 5-fan 6-smoke detector 7-fire-alarm under the 1-

The specific embodiment:, in conjunction with the embodiments negative pressure described in the utility model is drawn cigarette fire safety device and be described in detail as follows with reference to accompanying drawing 1,2,3,4.Negative pressure described in the utility model is drawn cigarette fire safety device, by down blower fan 1, vertical setting of types cigarette channel 2, draw cigarette automatically-controlled door 3, smoke evacuation outlet 4, fan 5, smoke detector 6, fire-alarm 7 and electric control gear, the energy storage type dc source is formed.Be provided with floor in the top of every floor and vertical setting of types cigarette channel 2 joining positions and draw mouth, draw to be equipped with on the mouth at floor and draw cigarette automatically-controlled door 3, both sides in the escape way outlet are provided with vertical setting of types cigarette channel 2, vertical setting of types cigarette channel 2 connects and respectively draws cigarette automatically-controlled door 3, form the private access that each floor flue gas leads to the vertical setting of types cigarette channel, flue gas upwards directly enters atmosphere by smoke evacuation outlet 4.All the other all should be airtight except smoke evacuation outlet 4 in the vertical setting of types cigarette channel 2.Draw the direct current magnetic padlock is housed on the cigarette automatically-controlled door 3.Smoke detector 6 and fire-alarm 7 are installed in the top of each floor suitably near the escape way exit.Behind the fire signal that certain floor smoke detector 6 detects, be sent to electric control gear immediately, draw cigarette automatically-controlled door 3 by what the electric control gear sender opened automatically that the direct current magnetic padlock opens this floor, connect fire-alarm 7 simultaneously and report to the police, and start blower fan 1 and fan 5 down.Air-supply in vertical setting of types cigarette channel 2 behind following blower fan 1 and the door opening thereof, distinguished and admirable making from bottom to top respectively drawn cigarette automatically-controlled door 3 places generation negative pressure in the vertical setting of types cigarette channel 2; Fan 5 is not established air door, and its air outlet oblique cutting is gone in the vertical setting of types cigarette channel 2, and smoke evacuation outlet 4 is pointed in the oblique top of air outlet, can make air-flow bigger negative pressure value of whole generation in vertical setting of types cigarette channel 2 like this.The high temperature poison gas that fire produces flows along the top diffusion of floor, and the vacuum suction of being drawn cigarette automatically-controlled door 3 places enters in the vertical setting of types cigarette channel 2, and upwards enters atmosphere by smoke evacuation outlet 4.Not shown electric control gear, energy storage type dc source are installed in one deck night shift room, and night shift room also alarm is housed so that monitoring; The AC and DC cable of device wants fire-proof shield to lay; The electrical source of power electric power system of following blower fan 1 and fan 5 should specially separately be provided with, to guarantee reliable power supply and to want regular test running.In following blower fan 1 and the fan 5 any one when breaking down, another still can make and produce negative pressure in the vertical setting of types cigarette channel 2, to guarantee the reliability of this device.Just in case two typhoon machines are all malfunctioning, as long as guaranteeing that the dc controlled system can open draws cigarette automatically-controlled door 3, by the natural gravitation that hot-air makes progress, this device still can be brought into play the effect of drawing the cigarette smoke evacuation.

With reference to accompanying drawing 2 and accompanying drawing 3, accompanying drawing 2 and accompanying drawing 3 are that negative pressure is drawn cigarette fire safety Unit Installation address schematic diagram.2 choosings of vertical setting of types cigarette channel are put on the both sides of People's Bank of China escape way exit position among the figure, so that personnel and flue gas stream are separated, take their own roads, are beneficial to the personnel escape.Because position restriction etc. is former thereby be unkitted down blower fan 1, vertical setting of types cigarette channel 2 is located in the building among Fig. 2.Vertical setting of types cigarette channel 2 is located at the both sides of outside, building inside corridor among Fig. 3.When the existing building thing is transformed, can vertical setting of types cigarette channel 2 be installed separately in its outer surface addressing; Vertical setting of types cigarette channel 2 can be designed to the part of building when newly-built, preferred design goes out two escape way outlets, favourable evacuating personnel.

Accompanying drawing 4 is that the negative pressure in six layers of market is drawn cigarette fire safety device installation site schematic diagram.With reference to accompanying drawing 4, select for use 4 covers negative pressure described in the utility model to draw cigarette fire safety device, be installed in the outlet of four limit suitable location and escape way and draw back certain distance, help the separation shunting of stream of people's plume.Because the position restriction, in the accompanying drawing 4,2 of two vertical setting of types cigarette channels of downside are set blower fan 1; 2 of the vertical setting of types cigarette channels of and arranged on left and right sides are established fan 5.Smoke detector 6 and fire-alarm 7 are installed in the four sides coping respectively.The basic structure of every covering device as shown in Figure 1, it connects six layers the cigarette automatically-controlled door 3 that draws respectively by vertical setting of types cigarette channel 2 and forms the designated lane that cigarette effluxes that draws that the flue gas of each floor leads to smoke evacuation outlet 4.The straight-through atmosphere in smoke evacuation outlet 4 tops, remainder is all airtight.Respectively draw cigarette automatically-controlled door 3 and be separately positioned on the top of six floors, the direct current magnetic padlock is housed on the automatically-controlled door, normally closed at ordinary times.Unblanked by the electric control gear sender after smoke detector 6 detects fire signal, that opens this floor draws cigarette automatically-controlled door 3, connects fire-alarm 7 simultaneously and reports to the police and start blower fan 1 and fan 5 down.As previously mentioned, the high velocity air that following blower fan 1 and fan 5 are sent makes in each vertical setting of types cigarette channel 2 and produces negative pressure, and respectively drawing cigarette automatically-controlled door 3 places all has negative pressure to produce.The high temperature poison gas of fire, diffusion is flowed along the top of floor, is entered in the vertical setting of types cigarette channel 2 by this vacuum suction of drawing cigarette automatically-controlled door 3 places, and the smoke evacuation outlet 4 by vertical setting of types cigarette channel 2 upwards enters in the atmosphere.Fire-alarm 7 is installed in each floor respectively near People's Bank of China escape way exit, is used for reporting to the police and holds concurrently guiding outlet for the evacuation personnel with acousto-optic.Not shown electric control gear, energy storage type dc source are installed in one deck night shift room, the indoor alarm that also is equipped with.AC and DC cable fire-proof shielding is laid, and the electrical source of power electric power system of blower fan is special separately to be provided with, and guarantees reliably to power and stipulates that preliminary operation once weekly.

Claims (3)

1, a kind of building draws cigarette fire safety device with negative pressure, it by down blower fan (1), vertical setting of types cigarette channel (2), draw cigarette automatically-controlled door (3), smoke evacuation outlet (4), fan (5), smoke detector (6), fire-alarm (7) and electric control gear, the energy storage type dc source is formed, it is characterized in that vertical setting of types cigarette channel (2) being set on the both sides of building escape way outlet, bottom position at building is provided with blower fan (1) down, is provided with fan (5) in the top layer position of building.

2, negative pressure according to claim 1 is drawn cigarette fire safety device, it is characterized in that the air outlet of blower fan (1) inserts in the vertical setting of types cigarette channel (2) down; The air outlet of fan (5) also inserts in the vertical setting of types cigarette channel (2).

3, negative pressure according to claim 1 is drawn cigarette fire safety device, it is characterized in that drawing cigarette automatically-controlled door (3) installs respectively on the top of each floor and and vertical setting of types cigarette channel (2) link.

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