CN203359722U - Injury prevention device used when elevator falls - Google Patents

Injury prevention device used when elevator falls Download PDF

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Publication number
CN203359722U
CN203359722U CN 201320242638 CN201320242638U CN203359722U CN 203359722 U CN203359722 U CN 203359722U CN 201320242638 CN201320242638 CN 201320242638 CN 201320242638 U CN201320242638 U CN 201320242638U CN 203359722 U CN203359722 U CN 203359722U
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CN
China
Prior art keywords
control
gas
speed
signal
elevator
Prior art date
Application number
CN 201320242638
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Chinese (zh)
Inventor
李助军
阮彩霞
曾壬
张宏伟
Original Assignee
广州铁路职业技术学院
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Application filed by 广州铁路职业技术学院 filed Critical 广州铁路职业技术学院
Priority to CN 201320242638 priority Critical patent/CN203359722U/en
Application granted granted Critical
Publication of CN203359722U publication Critical patent/CN203359722U/en

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Abstract

An injury prevention device used when an elevator falls comprises a speed sensor, a control system, a drive circuit, a gas supply device and a buffer air bag. The output end of the speed sensor is connected with the input end of the control system. The output end of the control system is connected with one end of the drive circuit. The drive circuit controls the gas supply device to be opened and closed. The gas supply device stores gas; the buffer air bag is connected with the gas supply device and laid on the bottom face of a lift car of the elevator. The speed sensor detects the running speed of the elevator, converts speed information to a signal and transmits the signal to the control system; the control system compares the signal with a preset safety running speed value, and sends a control command to the drive circuit when the running speed is higher than the preset safety running speed, the drive circuit controls the gas supply device to supply gas, and the buffer air bag is filled with the gas rapidly, expands and carries out shock absorption and buffer when the elevator falls, so that impact to passengers is buffered, collision energy is absorbed and the degree of injury to the passengers is decreased.

Description

The anti-device of hindering of used during elevator falling
Technical field
The utility model relates to the lift facility safety device, particularly relates to the anti-device of hindering of a kind of used during elevator falling.
Background technology
Elevator, refer to power driven, utilizes the casing of rigid guideway operation or, along the step of line operation, carry out the electromechanical appliance of lifting or parallel shipper, goods, comprises manned or freight lift, escalator, moving sidewalk.Along with present life middle-high building is more and more, the Occupation coefficient of elevator is also more and more higher.Generally, in skyscraper, what major part was used is vertical lift elevator.
Generally, elevator itself is fool proof, and its principle of work is: when the supervelocity situation appears in elevator, elevator governor can send signal in time, then produces mechanical action and cuts off feed circuit, makes the towing machine braking.Start the safety tongs that is arranged on the car bottom if elevator still can't be braked and move the urgent stop of car and be clamped on guide rail, play safety protection function.
Yet, when the safety device of elevator all breaks down can't work the time, the car of high-speed falling can produce very large impulsive force.Even car stops because of braking, also still can produce larger impulsive force.The people that the impulsive force produced tends to taking elevator produces larger personal injury, and situation even causes casualties.
The utility model content
Based on this, be necessary that car for high-speed falling can produce great impact power and the passenger be caused to the problem of personal injury, provide a kind of used during elevator falling the anti-device of hindering.
A kind of used during elevator falling is anti-hinders device, comprising:
Speed sensor, detect the speed that elevator moves;
Control system, be connected with the mouth of described speed sensor, receives the speed that described speed sensor detects, and the speed that detects and default safe operation speed are compared to output command;
Driving circuit, be connected with the mouth of described control system, receives the instruction of described control system output;
Gas supply device, be connected with described driving circuit, and described driving circuit is controlled the gas of described gas supply device and supplied with situation; And
Buffer air bag, be connected with described gas supply device, and be layed in the bottom surface of lift car.
In embodiment, described gas supply device is the gas storage device therein, and described gas storage device stores gas.
In embodiment, the gas stored in described gas storage device is high pressure gas therein.
In embodiment, also comprise electromagnetic valve therein, described driving circuit is by the switching of the described gas storage device of described solenoid control, and described gas storage device is connected with described buffer air bag by described electromagnetic valve.
In embodiment, described electromagnetic valve is air-operated solenoid valve therein.
In embodiment, described control system is single-chip computer control system therein.
In embodiment, described control system comprises therein:
Signal acquisition module, gather the speed signal that described speed sensor picks up, and described signal acquisition module is connected with described speed sensor;
Signal processing module, the speed signal that the described signal acquisition module of analyzing and processing gathers, described signal processing module is connected with described signal acquisition module;
Signal output module, export the result of described signal processing module to the speed signal analyzing and processing, and described signal output module is connected with described signal processing module, and connect driving circuit.
When above-mentioned used during elevator falling prevents hindering device work, speed sensor constantly detects the running velocity of elevator, and the running velocity detected is changed into to speed signal be passed to control system, after control system inbound pacing signal, speed signal and default safe operation velocity amplitude are compared, according to result relatively, driving circuit is sent to different instructions, driving circuit according to different instructions control gas supply device gas supply with situation; When running velocity is less than or equal to default safe operation speed, control system is sent not control command, and gas supply device is supply gas not; When running velocity is greater than default safe operation speed, control system is sent control command to driving circuit, driving circuit makes the gas supply device supply gas, gas is full of rapidly buffer air bag, buffer air bag is expanded, shock-absorbing buffering when sliding pendant appears in elevator, the impulsive force that the mitigation occupant is subject to also absorbs collision energy, alleviates occupant's extent of injury.
The accompanying drawing explanation
Fig. 1 is the anti-structural representation of hindering device of used during elevator falling.
The specific embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Refer to Fig. 1, a kind of used during elevator falling is anti-hinders device 100, comprises speed sensor 110, control system 120, driving circuit 130, gas supply device 140 and buffer air bag 150.Speed sensor 110 detects the running velocity of elevator, and running velocity can be changed into to exportable speed signal, and the mouth of speed sensor 110 is connected with the input end of described control system 120.The speed signal of control system 120 energy inbound pacing sensor 110 outputs, and this speed signal and the interior default safe operation velocity amplitude of control system 120 are compared, and, according to the comparative result output command, the mouth of control system 120 is connected with an end of driving circuit 130.The instruction of driving circuit 130 receiving control system 120 outputs, and make corresponding action according to this instruction, driving circuit 130 is controlled the gas of described gas supply device 140 and is supplied with situation.Buffer air bag 150 is connected with gas supply device 140, and buffer air bag 150 is layed in the bottom surface of lift car, is shrivelled shape, and the passenger stands on buffer air bag 150, and buffer air bag 150 can be used as the mat of entering and uses.
Above-mentioned used during elevator falling is anti-hinders device 100, at first carries out system initialization after energising.Then speed sensor 110 constantly detects the running velocity of elevator and running velocity is converted into to exportable speed signal, constantly is passed to control system 120.Control system 120 compares current running velocity and the predefined safe operation velocity amplitude of system: when the current running velocity of elevator is less than or equal to the default safe operation velocity amplitude of control system 120, control system 120 is exported not control command, and elevator normally moves; When the current running velocity of elevator is greater than the default safe operation velocity amplitude of control system 120, control system 120 output control commands, after driving circuit 130 receives control command, make gas supply device 140 supply gas, buffer air bag 150 is expanded rapidly, shock-absorbing buffering when sliding pendant appears in elevator, the impulsive force that the mitigation occupant is subject to also absorbs collision energy, alleviates occupant's extent of injury.In addition, when the sliding pendant of this elevator of installation is prevented hindering device, do not change the structure of existing elevator, engineering change amount is few, transforms simple.
In the present embodiment, can in control system 120, preset the hypervelocity number of times in the continuous time, speed sensor 110 constantly detects the running velocity of elevator, and is passed to control system 120.If the speed detected within continuous time is greater than the number of times of the speed of elevator safety operation and is not less than the hypervelocity number of times within default continuous time, can judge and belong to the sliding pendant of elevator, now can order about gas supply device 140 supply gas by driving circuit 130, buffer air bag 150 is expanded, play the effect of shock-absorbing buffering.Hypervelocity number of times by default one within the continuous time of regulation, and then judge that whether the speed detected in continuous time is not less than the default hypervelocity number of times of regulation, is conducive to prevent the erroneous judgement situation.
In the present embodiment, when elevator normally moves, buffer air bag 150 is shrivelled shape, is layed in the bottom surface of lift car inside, and decorative pattern can have suitably been decorated on the surface of standing in the passenger that leaks outside, and mainly makees mat and uses.
In the present embodiment, described gas supply device 140 can be the gas storage device, and described gas storage device stores gas.When elevator moves, the gas storage device stores gas.When sliding pendant appears in elevator, the control command of driving circuit 130 receiving control systems 120, make the gas storage device be communicated with buffer air bag 150, and the gas stored in the gas storage device is full of rapidly buffer air bag 150, play the effect of shock-absorbing buffering, avoid the occupant to come to harm.It is pointed out that gas supply device 140 can also be gas generator, gas generator comprises pilot burner, the gentle body propellant of igniting medicinal powder.When sliding pendant appears in elevator, can order about pilot burner ignition point fire powder by driving circuit 130, igniting medicinal powder reacts with gas generant, produces a large amount of gas within the extremely short time, gas is full of rapidly buffer air bag 150, so the gas storage device is not necessary.
In the present embodiment, the gas stored in described gas storage device is high pressure gas.High pressure gas have larger pressure, when the gas storage device is unlocked, can shorten the time that gas is full of buffer air bag 150, high pressure gas can be full of rapidly buffer air bag 150, buffer air bag 150 is expanded, play the effect of shock-absorbing buffering, the impulsive force that the mitigation occupant is subject to also absorbs collision energy, alleviates occupant's extent of injury.
In the present embodiment, can also comprise electromagnetic valve 160, described driving circuit 130 is controlled the switching of described gas storage device by described electromagnetic valve 160, and described gas storage device is connected with described buffer air bag 150 by described electromagnetic valve 160.Electromagnetic valve 160 is air-operated solenoid valve, certainly, in other embodiment, can also be hydraulic buttery valve.Driving circuit 130 is by controlling the switching of electromagnetic valve 160, control the switching of gas storage device, after driving circuit 130 receives the control command that the signal output module 126 of control system 120 sends, driving circuit 130 is opened deflation hole by the movement of controlling electromagnetic valve 160 valve bodies, the gas storage device is communicated with buffer air bag 150, and the gas in the gas storage device is full of rapidly buffer air bag 150.Electromagnetic valve 160 can not only guarantee control accuracy, and simple in structure, cheap, is easy to installation and maintenance.In addition, the response time of electromagnetic valve 160 may be as little to several milliseconds, and this,, to when sliding pendant occurs elevator, opens rapidly the gas storage device, and making gas be full of rapidly buffer air bag 150 has vital effect.
In the present embodiment, described control system 120 is single-chip computer control system.The single-chip computer control system cost is lower, and design is comparatively flexible.
In the present embodiment, described control system 120 can comprise signal acquisition module 122, signal processing module 124 and signal output module 126.The speed signal that signal acquisition module 122 picking rate sensors 110 pick up, signal acquisition module 122 is connected with speed sensor 110.The speed signal that signal processing module 124 analyzing and processing signal acquisition module 122 gather, signal processing module 124 is connected with signal acquisition module 122.The result of 124 pairs of speed signal analyzing and processing of signal output module 126 output signal processing modules, signal output module 126 is connected with signal processing module 124, and connects driving circuit 130.The speed signal that 122 pairs of speed sensors of signal acquisition module 110 transmit is sampled, and is passed to signal processing module 124.The running velocity that signal processing module 124 is current by elevator and default safe operation velocity amplitude compare, when the current running velocity of elevator is less than or equal to default safe operation velocity amplitude, signal processing module 124 reaches signal output module 126 by comparative result, signal output module 126 is exported not control command, and driving circuit 130 can not opened the gas storage device.When the current running velocity of elevator is greater than default safe operation velocity amplitude, signal processing module 124 reaches signal output module 126 by comparative result, signal output module 126 output control commands, control command reaches driving circuit 130, driving circuit 130 is made action, open the gas storage device, gas in the gas storage device is full of rapidly buffer air bag 150, buffer air bag 150 is expanded, shock-absorbing buffering when sliding pendant appears in elevator, the impulsive force that the mitigation occupant is subject to also absorbs collision energy, alleviates occupant's extent of injury.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (7)

1. a used during elevator falling is prevented hindering device, it is characterized in that, comprising:
Speed sensor, detect the speed that elevator moves;
Control system, be connected with the mouth of described speed sensor, receives the speed that described speed sensor detects, and the speed that detects and default safe operation speed are compared to output command;
Driving circuit, be connected with the mouth of described control system, receives the instruction of described control system output;
Gas supply device, be connected with described driving circuit, and described driving circuit is controlled the gas of described gas supply device and supplied with situation; And
Buffer air bag, be connected with described gas supply device, and be layed in the bottom surface of lift car.
2. used during elevator falling according to claim 1 is anti-hinders device, it is characterized in that, described gas supply device is the gas storage device, and described gas storage device stores gas.
3. used during elevator falling according to claim 2 is anti-hinders device, it is characterized in that, the gas stored in described gas storage device is high pressure gas.
4. used during elevator falling according to claim 3 prevents hindering device, it is characterized in that, also comprise electromagnetic valve, described driving circuit is by the switching of the described gas storage device of described solenoid control, and described gas storage device is connected with described buffer air bag by described electromagnetic valve.
5. used during elevator falling according to claim 4 is anti-hinders device, it is characterized in that, described electromagnetic valve is air-operated solenoid valve.
6. used during elevator falling according to claim 1 is anti-hinders device, it is characterized in that, described control system is single-chip computer control system.
7. used during elevator falling according to claim 6 is anti-hinders device, it is characterized in that, described control system comprises:
Signal acquisition module, gather the speed signal that described speed sensor picks up, and described signal acquisition module is connected with described speed sensor;
Signal processing module, the speed signal that the described signal acquisition module of analyzing and processing gathers, described signal processing module is connected with described signal acquisition module;
Signal output module, export the result of described signal processing module to the speed signal analyzing and processing, and described signal output module is connected with described signal processing module, and connect driving circuit.
CN 201320242638 2013-05-07 2013-05-07 Injury prevention device used when elevator falls CN203359722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320242638 CN203359722U (en) 2013-05-07 2013-05-07 Injury prevention device used when elevator falls

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Application Number Priority Date Filing Date Title
CN 201320242638 CN203359722U (en) 2013-05-07 2013-05-07 Injury prevention device used when elevator falls

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105151943A (en) * 2015-08-03 2015-12-16 陈思 Intelligent safety elevator based on speed detection
CN105173956A (en) * 2015-09-26 2015-12-23 梁纲 Three-mechanism synchronous clamping system
CN105217406A (en) * 2015-09-26 2016-01-06 梁纲 The inner box body device with air bag
CN105384026A (en) * 2015-12-21 2016-03-09 天津帝茨科技有限公司 High-safety elevator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105151943A (en) * 2015-08-03 2015-12-16 陈思 Intelligent safety elevator based on speed detection
CN105173956A (en) * 2015-09-26 2015-12-23 梁纲 Three-mechanism synchronous clamping system
CN105217406A (en) * 2015-09-26 2016-01-06 梁纲 The inner box body device with air bag
CN105384026A (en) * 2015-12-21 2016-03-09 天津帝茨科技有限公司 High-safety elevator

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20131225

Termination date: 20160507