CN105858401A

CN105858401A - Ejection air bag for elevator shaft

Info

Publication number: CN105858401A
Application number: CN201610403795.XA
Authority: CN
Inventors: 高清春
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-08
Filing date: 2016-06-08
Publication date: 2016-08-17

Abstract

The invention belongs to an elevator operation safety protection device and discloses an ejection air bag for an elevator shaft. The ejection air bag comprises an inner wall of the elevator shaft, a controller, a plurality of velometers and a plurality of ejection air bag bodies. Each air bag body comprises an air bag skin, a gas generator and a base, wherein one end of the base is fixedly connected with the wall of the elevator shaft, and the end face of the other end of the base is an externally convex arc surface; the air bag skin covers the arc surface of the base and fixedly connected with the base or the wall of the elevator shaft in a designed strength value range; the gas generator is put in the air bag skin and structurally comprises a signal receiving port which is in signal connection with a signal transmitting port of the controller through a signal line in movable insertion connection with the signal receiving port. When a car falling accident occurs, the ejection air bag for the elevator shaft is capable of effectively reducing car falling impact force to realize soft landing of a car, and accordingly passenger safety is protected.

Description

Elevator launches air bag

Technical field

The present invention relates to lift running safety ensuring equipment, specifically provide a kind of elevator and launch air bag.

Background technology

In use there is certain potential safety hazard in elevator, conventional elevator structure is mainly by serving and car group Becoming, in use, once serving overload or inefficacy, car will fall, and causes to prevent car from falling Heavy losses, equipped with decelerator, safety tongs, dilator, buffer in the security system of elevator, when When car has an accident, the first action of decelerator, safety tongs, for slowing down to car or blocking car, when When car speeding more than 15% or disconnected rope, dilator action makes track narrow, it is therefore an objective to stuck car, forces sedan-chair Stop in railway carriage or compartment, when car pendant is to shaft bottom, the buffer being arranged on shaft bottom and last one landed as car Buffer protection.Shortcoming is: when a car high position is fallen, and impulsive force is very big, decelerator, safety tongs and expansion Device can not prevent falling of car well, wherein narrow section of dilator track also can by car crimp, Easily injuring occupant in car, either fluid pressure type or the buffer of spring, its retraction stroke is limited, many Fall buffering for low layer, and car weight is mostly in units of ton, under the huge shock after a high position is fallen, Buffer cannot accomplish progressive stop, and its buffering effect is close to rigid impact, it is easy to causes case to ruin what people died Major accident.

Summary of the invention

It is an object of the invention to: provide a kind of elevator to launch air bag, exist equipped with this elevator launching air bag When there is car fall event, can effectively alleviate impulsive force when car falls, it is achieved car soft landing, protect Protect occupant and carriage body structure in car.

The technical scheme is that elevator launches air bag, including the borehole wall in elevator, its feature exists In: equipped with controller, velometer with launch air bag on the borehole wall, described launches air bag by sacculus skin, gas Generator and base composition, base one end is connected with the borehole wall, and the end face of the base other end is the cambered surface of evagination, Described sacculus skin covers in the cambered surface of base, and sacculus skin and base or the borehole wall are in the intensity value range of design Fixing connection, sacculus Intradermal includes receiver port equipped with gas generator, the structure of gas generator, The receiver port of gas generator is by the signal sending end message of the holding wire of activity grafting with controller Number connecting, the receiver port of controller is connected with the signal sending end message number of velometer by holding wire； Described velometer and to launch air bag be multiple.

The operation principle of the present invention is: when car falls, and the signal monitored is sent to control by velometer Device, controller, according to setting program, is quickly ignited the multiple gas generator below car, sacculus skin moment Inflation becomes air bag, bounces off rapidly base, and depart from during airbag inflation under the counteracting force of base arc face end Base or the borehole wall, the holding wire of grafting simultaneously departs from gas generator under this pulling force, and now air bag is freely Fall to shaft bottom,

The invention have the advantage that multiple air bag constitutes the cushion that 2～5 floors are high in shaft bottom, can effectively alleviate Impulsive force when car falls, it is achieved car soft landing, occupant and carriage body structure in protection car；Visit simultaneously Survey device and also can detect accidental falling to the personnel in well, in like manner discharge multiple air bag and form cushion, simultaneously Controller controls car stagnation of movement, ensures the life security of pendant well personnel.

Accompanying drawing explanation

Fig. 1 is the structural representation that elevator of the present invention launches air bag；

Fig. 2 is the structured flowchart that elevator of the present invention launches air bag middle controller, velometer, gas generator.

The signal sending end mouth of 1 controller in figure, the receiver port of 2 controllers, 3 controllers, 4 test the speed Device, 5 bases, 6 gas generator, 7 sacculus skins, 8 holding wires, 9 cars, 10 boreholes wall, 11 air bags.

Detailed description of the invention

Elevator launches air bag, including the borehole wall 10 in elevator, equipped with controller 3, velometer 4 on the borehole wall With launch air bag, the described air bag that launches is made up of sacculus skin 7, gas generator 6 and base 5, base one End is connected with the borehole wall, and the end face of the base other end is the cambered surface of evagination, and described sacculus skin covers the arc at base On face, sacculus skin is fixing in the intensity value range of design with base or the borehole wall to be connected, and sacculus Intradermal is equipped with gas Body generator, the structure of gas generator includes receiver port, the receiver port of gas generator It is connected with signal sending end mouth 1 signal of controller by the holding wire 8 of activity grafting, the signal of controller Receiving port 2 is connected with the signal sending end message number of velometer by holding wire 8；Described velometer and It is multiple for launching air bag.

Described sacculus skin is rubber sacculus skin or spins cloth make or the coalition of above-mentioned material, if desired without ventilative Can meridian layer be set in the structure sheaf of sacculus skin, increases its anti-pressure ability, after being combined with gas generator Sacculus skin be obturator, sacculus skin is previously provided with the hole for installing gas generator, gas occurs After device loads sacculus skin, this hole periphery seals with gas generator and is connected, and the signal of gas generator receives Port (holding wire socket) is located at the outer surface of sacculus skin, is evenly arranged many in the elevator of each floor Individual launch air bag；Described gas generator refers to air-cushion inflator, belongs to automotive part, its By occurring body, gunpowder, the quick-fried device of point to form, described receiver port is located at a little on quick-fried device, accesses and believes Can receive the quick-fried signal of point of controller after number line, during effect, the receiver port put in quick-fried device receives control The quick-fried signal of point that device processed sends, puts quick-fried assembly and directly ignites reactant, and reactant produces a large amount of gas moments will Sacculus skin fills into air bag 11, and the advantage of air-cushion inflator is to be quick on the draw, respond quickly, to hold Connecing the gas generator that car 9 is main and can be selected for gunpowder formula gas generator, advantage is that volume is little, reacts fast Speed, can use the gas generator of compressed air type as considered that undertaking personnel fall simultaneously, prevent personnel from scalding, Or use the mixed structure of above two；Described velometer is the one in sensor, generally, and this device Being the common components in elevator operation system, for detecting the speed of service of car, described controller is single Sheet machine or industrial computer or microcomputer, control respectively to launch the work shape of air bag according to the detection signal of each velometer State, this single-chip microcomputer can set man-machine interface, it is simple to the elevator for the different speeds of service is programmed in advance, its Working method is, when velometer is sent to controller car speeding signal, controller judges according to velometer The floor at car place and lapse rate, and with reference to the air bag response time parameter of typing in advance, then will draw Quick-fried signal is sent to the gas generator determining to ignite, and after gas generator is ignited, sacculus skin fast moment is expanded into Air bag also departs from base free-falling, tens or hundreds of air bags in the bottom of car as bolster, slow Solve impulsive force during car tenesmus；Elevator can be incorporated into according to practical situation, described velometer and controller In control system.If desired, can be that elevator of the present invention launches air bag offer independent current source and stand-by power supply, It is made also can normally to work when elevator power failure (place building has a power failure).

During installation, described base is fixedly mounted in hoistway wall by expansion bolt assembly, then will letter The plug grafting (this plug does not set lock solid structure) of number line on the receiver port of gas generator, Covering on base by sacculus skin again, sacculus skin has a lot, such as with the movable connection method of base or the borehole wall: At sacculus skin along several Magnet that are connected in week, several corresponding with on base or the borehole wall for small iron plate Magnet is inhaled Connect；Or, if doing or some circle nylon ZIKOU, by nylon ZIKOU and the end along all being connected at sacculus skin Female mouth corresponding on seat or the borehole wall is bonding, breakaway force during the total pulling force airbag inflation to be less than of this double buckle 1/3, utilize the explosive force of air bag complete depart from；Or, a U-loop groove is set on the borehole wall or on base, The opening of this U-loop groove is inside, and U-loop groove uses nylon material, fills in U-loop by shallow for the edge week of sacculus skin In groove, play interim fixing effect, can add lubriation material if desired between the two, when the bag inflates, Sacculus skin in U-loop groove can pull because expanding, and completes to depart from；Or, some in arranging along week of sacculus skin Individual iron ring, hangs on several the corresponding iron props on base or the borehole wall by each iron ring, can between iron ring and iron prop Suitably spraying a small amount of foaming agent as cementing agent, the intensity of expanded material is low, when the bag inflates, sacculus skin because of Expansive force makes iron ring earn exploitation foam material thus departs from iron prop, completes to separate, or, use easily broken, easy Broken material is as sacculus skin and base or the active connection of the borehole wall, when airbag inflation, material easily broken, frangible The active connection made of material is torn under the effect of sacculus skin expansive force, it is achieved launch, described easily broken, Friable material use veneer, paper coverboard, fragility thin pieces plastics, foam, graphite, asbestos, glass etc. and Other frangible synthetic material；Or, at sacculus skin along using adhesion process, glue between week and base or the borehole wall The 1/3 of power should be involved with joint efforts during airbag inflation to be less than；The side that sacculus skin periphery is flexibly connected with base or the borehole wall Method also has a lot, application reference prior art a few days ago.Those skilled in the art should know, The technical pattern that every explosive force utilizing airbag inflation completes air bag equal with base or body of wall disengaging all should fall into Within protection scope of the present invention, i.e. utilize explosive force that gas generator explosion time produces and by sacculus skin Become the structure that the counteracting force produced between the deformation of air bag and air bag with base arc face completes to separate.

Claims

1. elevator launches air bag, including the borehole wall in elevator, it is characterised in that: equipped with control on the borehole wall Device, velometer and launch air bag, the described air bag that launches is made up of sacculus skin, gas generator and base, Base one end is connected with the borehole wall, and the end face of the base other end is the cambered surface of evagination, and described sacculus skin covered the end of at In the cambered surface of seat, sacculus skin is fixing in the intensity value range of design with base or the borehole wall to be connected, sacculus Intradermal Equipped with gas generator, the structure of gas generator includes receiver port, and the signal of gas generator connects Receiving end mouth is connected with the signal sending end message number of controller by the holding wire of activity grafting, the letter of controller Number receiving port is connected with the signal sending end message number of velometer by holding wire；Described velometer and bullet Capsule of emanating is multiple.