CN102367135A - Fire-proof and water-proof evacuating and escaping elevator - Google Patents
Fire-proof and water-proof evacuating and escaping elevator Download PDFInfo
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- CN102367135A CN102367135A CN2011103160757A CN201110316075A CN102367135A CN 102367135 A CN102367135 A CN 102367135A CN 2011103160757 A CN2011103160757 A CN 2011103160757A CN 201110316075 A CN201110316075 A CN 201110316075A CN 102367135 A CN102367135 A CN 102367135A
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Abstract
The invention discloses a fire-proof and water-proof evacuating and escaping elevator, which overcomes the defect that the traditional elevator always becomes a smoke and fire spreading channel in a fire disaster and the operation of the elevator is affected. The fire-proof and water-proof evacuating and escaping elevator comprises an elevator hoistway, a machine room, a fire-proof hall door and a car and has the technical key point that a fire control water pipe, a hoistway air supply duct and water guidance equipment composed of a water chute and a water duct communicated with the water chute are arranged in the elevator hoisway; a fire control shower nozzle connected with the first control water pipe is fixed on the upper part of the fire-proof hall door or the ceiling of the hall of an elevator waiting hall; the top of the car is provided with an air purification device for conveying fresh air into the car; the projection surfaces of the fire control water pipe, the hoistway air supply duct and the water guidance equipment in vertical direction are respectively positioned outside a car projection surface; and each landing in the elevator hoistway is provided with a temperature detection sensor. The fire-proof and water-proof evacuating and escaping elevator has the advantages of simple structure and reasonable layout, can reliably operate at the early stage of the fire disaster so as to quickly and safely perform the evacuating and rescuing functions, fire-fighting equipment of the elevator conforms to the standard specifications, and the fire-proof and water-proof performance is improved greatly.
Description
Technical field
The present invention relates to a kind of evacuation escape elevator that is used for skyscraper, the fire early period of origination is evacuated crowd's fire-proof and water-proof evacuation escape elevator in particularly a kind of skyscraper.
Background technology
Along with the complicacy day by day of skyscraper function, the continuous increase of height, the safe escape problem that it faced is also severe further.Especially skyscraper is when suffering accidents such as fire, the attack of terrorism; With stair is that main tradition is evacuated the escape mode; Basically can't all personnel in the building be evacuated to safety zone fast and safely; And the limited crowds of ability to act such as disabled person, old man and pregnant woman also are difficult to use stair to evacuate rapidly.Therefore, seek new evacuation mode, break through existing limitation of evacuating, the safe escape ability that improves skyscraper becomes the problem that presses for solution now.And there is very big potential value in elevator with its speed advantage, convenience and operability aspect the vertical evacuation, and the required safety that will guarantee the elevator conveying that is noted that is with reliable.
Calculate with conventional lift, 120 man-hours are arranged when every layer, then 15 layers evacuating personnel needs 19 minutes to ground, and 30 layers then need 39 minutes.And general fire early period of origination, burning is generally wanted 20 to 30 minutes from fire to fierce.If this moment, only with the stair escape, most of personnel understood upstairs stranded.In addition, stair are evacuated and are inappropriate for disabled person and handicapped old man.Report according to external relevant case: in the U.S. " 911 " incident, only use 72 seconds from 91 layers of elevators escape, 10 express lifts in the southern at that time building have 4 to 5 ones to put into operation, have shortened the time of waiting for elevator greatly.Apartment, Japanese Hiroshima on the 28th October in 1996 event of fire, one 20 layers high-rise apartment building presence of fire.Found have evacuation personnel over half all to utilize elevator to escape the inferno in the current fire afterwards by inquiry.Burnt horse building, Sao Paulo event of fire, about at 9 o'clock in the morning on the 5th February in 1974, the window air conditioner that burnt horse building, the Sao Paulo, Brazil of 25 floor heights is the 12nd layer catches fire, and at the fire initial stage, 4 elevators have successfully been evacuated 300 people altogether, account for 422 survivors' 71%.
Along with the continuous development of national economy, skyscraper is more and more, and the fire prevention of skyscraper is had higher requirement, and extensive attention is received in the application of correlation technique and development.Like patent announcement number " lift well closing device with satisfy fire-fighting requirement of lift well closing device and installation method ", introduced the connection mode of a kind of elevator door and well enclosure for CN1519191A; Notification number is that CN2523741Y " the elevator fire-fighting detects and automatic deliverance apparatus " adopts independent control convenience detection of fires signal.These disclosures all are the circumscribed partial content that relates to Fire lift, and compare with current technical development outdated.All there are some design standard or requirements about fire fighter's elevator the home and abroad; As: " EN81-72 " fire fighter's elevator " ", " EN81-73 " performance of elevator under the fire condition " ", " ISO/PDTR 25743 " being used for the research of emergency evacuation about elevator " ", " BS5588-part8-1988 " disability personnel escape mode Enforcement Regulation " " etc.; But all be to have the fire-fighting cup, and the fire-fighting cup can not on firely be a prerequisite with elevator.Existing Fire lift is " not preventing fires " mostly, and therefore " non-watertight " design, uses it in the time of can't realizing presence of fire as evacuating escape elevator.
Summary of the invention
The purpose of this invention is to provide a kind of fire-proof and water-proof and evacuate escape elevator; Overcoming existing elevator becomes pyrotechnics easily and spreads passage under fire condition; And receive the defective that fire, water influence the elevator operation; It is simple in structure, fire fighting equipment meets standard code, rationally distributed, significantly improve fire prevention, water resistance, the fire early period of origination is reliable, guarantee to bring into play fast and safely it evacuates the rescue function.
Technical scheme of the present invention is: this fire-proof and water-proof is evacuated escape elevator and is comprised that elevator hoistways comprises the machine room that is arranged on the elevator hoistways top separately, is assembled in car and fire prevention Room door in the hoistway; Its technical essential is: the fire-fighting water pipe that runs through whole hoistway, the hoistway air supply duct and the water guide equipment of outside building, collecting folk songs the maintenance pressure-fired are set in said elevator hoistways; The applicator that has cigarette sense, a thalposis fire sensor with fire-fighting water pipe bonded assembly is fixed on the ceiling in the entrance hall in door top, the fire prevention Room that the fire-proof and thermal-insulation door is set or marquis's ladder Room; The doorway, the Room of fire prevention Room door is provided with the waterproof slope; Water guide equipment is made up of guiding gutter and the distribution tube that is communicated with guiding gutter, and car top is provided with the air purification unit of in car, carrying fresh air; The projecting plane of the guiding gutter of fire-fighting water pipe, hoistway air supply duct and water guide equipment and the vertical direction of distribution tube lays respectively at outside the car projecting plane, and each stop all is provided with the temperature detection sensor of guaranteeing elevator safety operation in the elevator hoistways.
The guiding gutter of said water guide equipment is arranged on the sill below of fire prevention Room door, and the doorway, the Room of fire prevention Room door is provided with the waterproof slope.
The top of the hoistway air supply duct of the said maintenance pressure-fired of outside building, collecting folk songs is connected with machine room.
The power supply backup power of connecting through the automatic converter device of power supply is set in the said machine room, and the link tester of power supply backup power is crossed the hoistway air supply duct and is directly got in the machine room.
The air outlet that is arranged on the air purification unit of said car top is fixed in car lintel place, is connected with the lintel of car door through the lintel guide duct.
Be arranged on that the said temperature detection sensor of each stop is divided into two-way in the elevator hoistways, the one tunnel be arranged on each stop the fire prevention Room outdoors, another road is arranged on the side of corresponding stop in the hoistway.
Advantage and good effect that the present invention has are: keep the hoistway air supply duct of pressure-fired because the present invention is provided with fire pump station bonded assembly fire-fighting water pipe in elevator hoistways and outside building, collects folk songs; So during fire; Can utilize the entrance hall be fixed on door top, the fire prevention Room that the fire-proof and thermal-insulation door is set or marquis's ladder Room ceiling have the applicator of cigarette sense, thalposis fire sensor with fire-fighting water pipe bonded assembly; Play the effect of fire extinguishing when on fire outdoors in the Room; Prevent that fire from spreading to elevator rapidly, certain protective role is played in operation to elevator, can form the ccasual refuge area again; Be arranged on the waterproof slope on fire prevention doorway, the Room, can reduce water and flow into hoistway; The air purification unit that is arranged on car top has the air filtration effect, can will get into smog or pernicious gas rapid dilution in the car; Can import fresh air from building in the export-oriented hoistway through the hoistway air supply duct, make simultaneously to keep pressure-fired in the hoistway, pyrotechnics is inhaled into hoistway when preventing the elevator operation effectively; Utilize the guiding gutter and the distribution tube of water guide equipment, with in time get rid of the reliability service of elevator when these measures have guaranteed the fire generation behind the water importing melt pit that gets into hoistway by pumping gear.Therefore; The present invention is simple in structure, rationally distributed; Fire fighting equipment meets the relevant regulations of plant maintenance space, passage in the hoistway, and compares with the conventional lift of same specification, under the essentially identical situation of hoistway area size; Can significantly improve fire prevention, water resistance, the fire early period of origination is reliable, guarantee to bring into play fast and safely it evacuates the rescue function.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the cutaway view of Fig. 1 along the A-A line.
Fig. 3 is that the B of Room door and guiding gutter among Fig. 1 is to view.
Sequence number explanation among the figure: 1 machine room, 2 fire prevention Room doors, 3 fire-fighting water pipes, 4 fire sensors, 5 applicators, 6 pits, 7 fire pump stations, 8 hoistway blowing devices, 9 air purification units, 10 hoistway air supply ducts, 11 air outlets, 12 towing machines, 13 towing machine fan housings, 14 main elevator control cabinet, 15 distribution tubes, 16 temperature detection sensors, 17 lintel guide ducts, 18 lintels, 19 sills, 20 guiding gutters.
The specific embodiment
Specify concrete structure of the present invention according to Fig. 1～3.This fire-proof and water-proof is evacuated escape elevator and is comprised the machine room 1 that is arranged on the elevator hoistways top separately, is assembled in fire prevention Room door 2, the car of being furnished with counterweight and guidance system and parts such as fire pump station 7 and hoistway blowing device 8 in the hoistway.Wherein the main elevator control cabinet 14 of electric control system, towing machine 12 and towing machine fan housing 13 are assembled in the machine room 1.In machine room 1, be provided with the power supply backup power of connecting through the automatic converter device of the power supply of electric control system, the link tester of this power supply backup power is crossed the hoistway air supply duct 10 that is arranged in the hoistway and is directly got in the machine room 1.
When ascending for elevator, the hoistway space in the car bottom forms negative pressure easily, and when elevator was descending, hoistway space formed negative pressure easily on the top of car.This subnormal ambient with the pyrotechnics suction hoistway in the building, makes fire spread through hoistway easily.The fire-fighting ventilator tube 10 that utilizes hoistway blowing device 8 outside building, to collect folk songs is arranged in the elevator hoistways, and its cross section can be square or circular.When electric control system detects building through the fire sensor 4 that has cigarette sense, thalposis in during presence of fire; Can start hoistway blowing device 8 automatically; Can guarantee that under the situation of fire make the interior pressure of hoistway greater than the outside, this difference of pressure is got 30～40Pa; The wind speed on doorway, the Room is not less than designing requirement when opening the door simultaneously.Hoistway blowing device 8 can be connected with garden or outside through underfloor duct or other forms in the hoistway bottom, makes blower fan can extract fresh air; Hoistway air supply duct 10 runs through the hoistway overall height, can in hoistway, import fresh air during the fire, makes to keep pressure-fired in the hoistway, stops pyrotechnics to get into hoistway through layer door.
Whole concrete hoistway and machine room 1 should have enough fire-protection ratings.The electronic unit of elevator, cable etc. all have certain high temperature resistant or flame-retarding characteristic simultaneously.Some critical components (like electric component, floor call system etc. in the hoistway) that are used for the fire emergency evacuation should all have IP54 or above degree of protection.
In elevator hoistways, be provided with and fire pump station 7 bonded assembly fire-fighting water pipes 3.Fire-fighting water pipe 3 runs through whole hoistway; The applicator 5 that has a fire sensor 4 of cigarette sense, thalposis with fire-fighting water pipe 3 bonded assemblys is fixed on the ceiling in entrance hall in top or marquis's ladder Room of every layer fire prevention Room door 2, and the quantity of every layer of applicator 5 can be confirmed according to the area in marquis's ladder Room or the needs of building.When the presence of fire of marquis's ladder Room, temperature surpasses specified value applicator 5 can sprinkling fire.Fire prevention Room door 3 adopts the fire-proof and thermal-insulation door with 2 hours fire-proof and thermal-insulation grades, can guarantee that like this at the fire layer, heat can not passed in the hoistway from Room door, and it is too fast to prevent that hoistway from heating up.Fireprotection layer door 3 has the labyrinth type design; Adopt special substance fire proof seal bar at layer door seam, the fire proof seal bar for example is installed, on the door of the Room like RAVEN RP1004S; When temperature during less than 100 degrees centigrade its hairbrush can stop the entering of flue gas; It can expand 25 times when temperature was high, shut the gap around the door closely, made pyrotechnics be difficult to get into hoistway.The doorway, the Room of fire prevention Room door 2 is provided with the waterproof slope, can reduce water and flow into hoistway, and water can not influence the safe operation of elevator through Room door inflow hoistway.
The top of the hoistway air supply duct 10 of the maintenance pressure-fired of outside building, collecting folk songs that in elevator hoistways, is provided with is connected with machine room 1.Collect folk songs outside building in bottom through at hoistway, fresh air pours into hoistway and machine room, and utilize positive pressure to prevent that smog from diffusing in lift car, guarantees the normal working temperature of elevator simultaneously.Because hoistway air supply duct 10 is communicated with elevator(lift) machine room 1 at well headroom; Can in machine room 1 and in the main control cabinet 14, send into fresh air; So can make machine room 1 and main control cabinet 14 interior temperature and outdoor environment temperature basic identical; Utilize simultaneously towing machine wind scooper 13 also can be towing machine 12 carry out air-cooled, thereby the operating temperature that has guaranteed equipment in the machine room 1 maintains in the normal working temperature scope of equipment operation, ensures the elevator reliability service.
Car top is provided with the air purification unit 9 of in car, carrying fresh air in elevator hoistways, and the air outlet of air purification unit 9 is fixed in car lintel 18 places, is connected with car lintel 18 through lintel guide duct 17.Car can start the air purification unit 9 in the car as man space through electric control system during fire automatically, makes smog can not get into car, guarantees the car air ambient.Being provided with cat ladder and security window in the car supplies the personnel escape to use.Rescue cat ladder in the hoistway runs through whole hoistway, does not have oppressive danger in car or the hoistway when guaranteeing extraordinary circumstances.FCC has elevator monitoring system, and the real time monitoring elevator operation is grasped the situation in the car, in the hoistway.Command centre has the work of communication system command evacuating, and can with lift car in converse, grasp elevator running condition.Guarantee that elevator can reliability service at the fire initial stage, play effective evacuation crowd's effect.
When elevator carried out rescue operation in the stop stop, its smog of stopping layer might get into car.The air purification unit 9 that is arranged on car top has the air filtration effect; Air purification unit 9 is connected with gate lintel 18 through lintel guide duct 17; Breather port through lintel 18 belows is constantly carried fresh air in car; Hinder smog and get into car, will get into the smog rapid dilution in the car simultaneously.
In elevator hoistways, be provided with water guide equipment.This water guide equipment is made up of guiding gutter 20, the distribution tube 15 that is communicated with guiding gutter 20, and guiding gutter 20 is arranged on sill 19 belows of fire prevention Room door 2.Owing to below the sill 19 of fire prevention Room door 2, guiding gutter 20 is arranged,, utilize the ponding, the pumping gear that have in the elevator pit 6 in the hoistway, guarantee the elevator reliability service so can the water that each stop flows in the hoistway be imported elevator pit 6.When the water level switch in the pit 6 detects water level and transfinites, can start pumping gear automatically drains water.Elevator hoistways is interior apart from the electrical equipment in 1 meter scope of Room door; The degree of protection of the electrical equipment in the electrical equipment of car top and the elevator pit 6 all reaches IP67; The degree of protection of miscellaneous equipment reaches more than the IPX3; The water that guarantees to flow in the hoistway can not influence the elevator operation, plays certain protective role to preventing that fire from spreading to elevator rapidly.
After the fire sensor 4 that has cigarette sense, thalposis detects fire, switch to power supply backup power through the automatic converter device of power supply in electric control system, elevator is reliably supplied power when taking place with the assurance fire.
The projecting plane of the guiding gutter 20 of above-mentioned fire-fighting water pipe 3, hoistway air supply duct 10, water guide equipment and the vertical direction of distribution tube 15 lays respectively at outside the car projecting plane, and each stop all is provided with the temperature detection sensor 16 of guaranteeing elevator safety operation in the elevator hoistways.This temperature detection sensor 16 is divided into two-way; One road temperature detection sensor 16 is arranged on outside the fire prevention Room door 2 of each stop; Be used to detect fire prevention Room door 2 temperature outdoors, on fire outdoors when the fire prevention Room door 2 that detects this stop, temperature rises to 60 when spending; Can automatically this landing call device be cut off, guarantee the reliability service of elevator at other floor.Another road temperature detection sensor 16 is arranged on the side of corresponding stop in the hoistway, is used to detect the temperature in the hoistway, and the temperature in hoistway surpasses 60 degree; Send alerting signal to elevator control cabinet 14; Make the elevator fire-fighting base station of force-landing, stop service, guarantee transport of passengers safety to greatest extent.
Claims (6)
1. a fire-proof and water-proof is evacuated escape elevator; Comprise the machine room that is arranged on the elevator hoistways top separately, be assembled in car and fire prevention Room door in the hoistway; It is characterized in that: the fire-fighting water pipe is set in said elevator hoistways, outside building, collecting folk songs keeps the hoistway air supply duct and the water guide equipment of pressure-fired; The applicator that has cigarette sense, a thalposis fire sensor with fire-fighting water pipe bonded assembly is fixed on the ceiling in the entrance hall in door top, the fire prevention Room that the fire-proof and thermal-insulation door is set or marquis's ladder Room; Water guide equipment is made up of guiding gutter and the distribution tube that is communicated with guiding gutter, and car top is provided with the air purification unit of in car, carrying fresh air; The projecting plane of the guiding gutter of fire-fighting water pipe, hoistway air supply duct and water guide equipment and the vertical direction of distribution tube lays respectively at outside the car projecting plane, and each stop all is provided with the temperature detection sensor of guaranteeing elevator safety operation in the elevator hoistways.
2. fire-proof and water-proof according to claim 1 is evacuated escape elevator, it is characterized in that: the guiding gutter of said water guide equipment is arranged on the sill below of fire prevention Room door, and the doorway, the Room of fire prevention Room door is provided with the waterproof slope.
3. fire-proof and water-proof according to claim 1 is evacuated escape elevator, it is characterized in that: the top of the hoistway air supply duct of the said maintenance pressure-fired of outside building, collecting folk songs is connected with machine room.
4. fire-proof and water-proof according to claim 1 is evacuated escape elevator, it is characterized in that: the power supply backup power of connecting through the automatic converter device of power supply is set in the said machine room, and the link tester of power supply backup power is crossed the hoistway air supply duct and is directly got in the machine room.
5. fire-proof and water-proof according to claim 1 is evacuated escape elevator, and it is characterized in that: the air outlet that is arranged on the air purification unit of said car top is fixed in car lintel place, is connected with the lintel of car door through the lintel guide duct.
6. fire-proof and water-proof according to claim 1 is evacuated escape elevator; It is characterized in that: the said temperature detection sensor that is arranged on each stop in the elevator hoistways is divided into two-way; One the tunnel be arranged on each stop the fire prevention Room outdoors, another road is arranged on the side of corresponding stop in the hoistway.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103160757A CN102367135A (en) | 2011-10-18 | 2011-10-18 | Fire-proof and water-proof evacuating and escaping elevator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103160757A CN102367135A (en) | 2011-10-18 | 2011-10-18 | Fire-proof and water-proof evacuating and escaping elevator |
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| CN102367135A true CN102367135A (en) | 2012-03-07 |
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| CN2011103160757A Pending CN102367135A (en) | 2011-10-18 | 2011-10-18 | Fire-proof and water-proof evacuating and escaping elevator |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627209A (en) * | 2012-04-03 | 2012-08-08 | 林智勇 | Elevator sprinkling device |
| CN104071666A (en) * | 2013-03-28 | 2014-10-01 | 日野电梯（苏州）有限公司 | Novel firefighting elevator |
| CN104176592A (en) * | 2014-08-22 | 2014-12-03 | 河南江河重工集团有限公司 | Quick and safety escape device for high-rise buildings |
| CN104759048A (en) * | 2014-09-03 | 2015-07-08 | 华侨大学 | Elevator shaft staggered gravity spraying and air feeding and exhausting device |
| CN105460746A (en) * | 2015-12-01 | 2016-04-06 | 中国航空规划设计研究总院有限公司 | Method for eliminating stack effect of high-rise elevator shaft |
| CN106211722A (en) * | 2016-08-31 | 2016-12-07 | 山东城市建设职业学院 | Elevator controlling machine room high-efficient ventilation cooling system |
| CN106672729A (en) * | 2017-03-15 | 2017-05-17 | 申芝电梯有限公司 | Environment-friendly waterproof elevator |
| CN106966250A (en) * | 2017-05-24 | 2017-07-21 | 住友富士电梯有限公司 | A kind of rescue elevator capable of automatic alarm |
| CN107816122A (en) * | 2017-12-13 | 2018-03-20 | 康力电梯股份有限公司 | A kind of collecting groove structure below peripheral frame |
| CN108042945A (en) * | 2018-01-26 | 2018-05-18 | 中国建筑第五工程局有限公司 | A kind of people uses fire prevention shielded box |
| CN108569614A (en) * | 2018-04-04 | 2018-09-25 | 上海富士电梯有限公司 | The sun-proof existing building installation elevator of water proof and dust proof |
| CN109908509A (en) * | 2018-10-11 | 2019-06-21 | 中国建筑第八工程局有限公司 | Fire disaster escaping system is built in dell |
| CN113063169A (en) * | 2021-03-30 | 2021-07-02 | 山东虎玲电子商务有限公司 | Composite flue system and building |
| CN113847669A (en) * | 2021-10-29 | 2021-12-28 | 南京长江都市建筑设计股份有限公司 | Double-fan pressurized air supply system and working method |
| CN114194983A (en) * | 2020-09-18 | 2022-03-18 | 奥的斯电梯公司 | Elevator car, elevator car door and elevator system |
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| JP2004142877A (en) * | 2002-10-24 | 2004-05-20 | Toshiba Elevator Co Ltd | Pressure device in elevator shaft |
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| US7647981B2 (en) * | 2005-03-31 | 2010-01-19 | Sharon Grant, legal representative | Fire suppression system |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627209B (en) * | 2012-04-03 | 2014-04-30 | 林智勇 | Elevator sprinkling device |
| CN102627209A (en) * | 2012-04-03 | 2012-08-08 | 林智勇 | Elevator sprinkling device |
| CN104071666A (en) * | 2013-03-28 | 2014-10-01 | 日野电梯（苏州）有限公司 | Novel firefighting elevator |
| CN104176592A (en) * | 2014-08-22 | 2014-12-03 | 河南江河重工集团有限公司 | Quick and safety escape device for high-rise buildings |
| CN104759048A (en) * | 2014-09-03 | 2015-07-08 | 华侨大学 | Elevator shaft staggered gravity spraying and air feeding and exhausting device |
| CN105460746B (en) * | 2015-12-01 | 2017-10-31 | 中国航空规划设计研究总院有限公司 | A kind of method for eliminating high rise elevator hoistway stack effect |
| CN105460746A (en) * | 2015-12-01 | 2016-04-06 | 中国航空规划设计研究总院有限公司 | Method for eliminating stack effect of high-rise elevator shaft |
| CN106211722B (en) * | 2016-08-31 | 2018-07-03 | 山东城市建设职业学院 | Elevator controlling computer room high-efficient ventilation cooling system |
| CN106211722A (en) * | 2016-08-31 | 2016-12-07 | 山东城市建设职业学院 | Elevator controlling machine room high-efficient ventilation cooling system |
| CN106672729A (en) * | 2017-03-15 | 2017-05-17 | 申芝电梯有限公司 | Environment-friendly waterproof elevator |
| CN106966250A (en) * | 2017-05-24 | 2017-07-21 | 住友富士电梯有限公司 | A kind of rescue elevator capable of automatic alarm |
| CN106966250B (en) * | 2017-05-24 | 2019-10-15 | 住友富士电梯有限公司 | A kind of rescue elevator capable of automatic alarm |
| CN107816122A (en) * | 2017-12-13 | 2018-03-20 | 康力电梯股份有限公司 | A kind of collecting groove structure below peripheral frame |
| CN108042945A (en) * | 2018-01-26 | 2018-05-18 | 中国建筑第五工程局有限公司 | A kind of people uses fire prevention shielded box |
| CN108569614A (en) * | 2018-04-04 | 2018-09-25 | 上海富士电梯有限公司 | The sun-proof existing building installation elevator of water proof and dust proof |
| CN109908509A (en) * | 2018-10-11 | 2019-06-21 | 中国建筑第八工程局有限公司 | Fire disaster escaping system is built in dell |
| CN114194983A (en) * | 2020-09-18 | 2022-03-18 | 奥的斯电梯公司 | Elevator car, elevator car door and elevator system |
| CN113063169A (en) * | 2021-03-30 | 2021-07-02 | 山东虎玲电子商务有限公司 | Composite flue system and building |
| CN113847669A (en) * | 2021-10-29 | 2021-12-28 | 南京长江都市建筑设计股份有限公司 | Double-fan pressurized air supply system and working method |
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Application publication date: 20120307 |