CN105540398A - First-aid method for escalator accident - Google Patents
First-aid method for escalator accident Download PDFInfo
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- CN105540398A CN105540398A CN201610096622.8A CN201610096622A CN105540398A CN 105540398 A CN105540398 A CN 105540398A CN 201610096622 A CN201610096622 A CN 201610096622A CN 105540398 A CN105540398 A CN 105540398A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004364 calculation method Methods 0.000 claims abstract description 4
- 230000004083 survival effect Effects 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000001931 thermography Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 230000034994 death Effects 0.000 description 4
- 231100000517 death Toxicity 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B27/00—Indicating operating conditions of escalators or moving walkways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
Abstract
The invention relates to a first-aid method for an escalator accident. The method comprises steps as follows: a vertical orthographic projection image of a passenger is obtained when the passenger moves along with an escalator and is taken as a contrast image, and the area a of the contrast image is acquired through calculation; when a is smaller than a preset value, the escalator continues to operate; when a is larger than or equal to the preset value, the escalator stops operation. According to the first-aid method for the escalator accident, the accident can be effectively responded, loss caused by the accident can be reduced, and casualty of the passenger taking the escalator can be avoided as much as possible.
Description
Technical field
The present invention relates to escalator contingency emergency treatment technique field, particularly relate to a kind of escalator contingency first-aid method.
Background technology
Escalator combined by the travelling apron of the chain-linked conveyer of a unique construction form and two special structure forms, with circulating motion ladder road, for the fixing power driven equipment of the conveying people that tilts up or down.It has continuous working, the feature that transportation volume is large.Mainly with at the train station, subway, light rail, station, airport, harbour, the public place such as shop and mansion the building such as megastore different floor heights between to tilt up or down the fixed equipment of conveying people, be the upper and lower a kind of continuous conveyor of carrying individuals.
Increasing escalator be applied to various occasion fast, the annual escalator accident of China is more in growth.The data display of State General Administration for Quality Supervision, in the end of the year 2010, the whole nation, having reached 162.8 ten thousand with escalator sum, recoverable amount and annual increment accounts for multiple the first in the world.By 2015, domestic escalator was more developed rapidly.For the security level of domestic automatic rolling staircase, State General Administration for Quality Supervision's accident investigation process center thinks that, because the quantity of escalator grew at top speed in recent years, various places escalator accident is in rising trend.On July 5th, 2011, Beijing Metro No. four line generation automatic rolling staircase accidents, nearly up staircase of 40 meters long reverses suddenly, and more than 30 passenger all falls down backward.This time accident, causes and is positioned at staircase boy's death in 13 years old bottom, and 3 people are severely injured, 24 people's slight wounds.State General Administration for Quality Supervision thinks that its automatic rolling escalator exists and manufactures and designs defect, holds the responsibility that can't be shirked to this accident.More domestic public place, big city automatic rolling escalator Frequent Accidents, wherein fall and account for 15%, reverse accounts for 9%, with object collision, scrape and pull, shear and account for 15%, the extruding 43% of parts clearance, falls and accounts for 9%, mal-administer accounts for 9%, how escalator responds various contingency fast, reduces the loss that contingency causes, avoids personal casualty as far as possible.
Summary of the invention
Based on this, be necessary to provide a kind of escalator contingency first-aid method, be convenient to escalator and respond contingency fast, reduce the loss that contingency causes, avoid as far as possible taking passenger's injures and deaths.
Its technical scheme is as follows:
A kind of escalator contingency first-aid method, comprises the steps:
Passenger is with in escalator motion process, and the vertical orthographic view obtaining this passenger is contrast images, and the area calculating described contrast images is a;
When a is less than preset value, escalator remains in operation;
When a is more than or equal to preset value, escalator shuts down.
Wherein in an embodiment, passenger is with the interval time also comprised in escalator motion process according to presetting, within the occupant ride time period, the vertical orthographic view obtaining this passenger respectively is successively contrast images, and carries out areal calculation and judgement successively respectively.
Wherein in an embodiment, described interval time is arranged according to one or more the information in the layout pitch of the running velocity of this escalator, the angle of inclination of escalator and image acquiring device.
Wherein in an embodiment, also comprise and identify passengers quantity according to this contrast images after obtaining the contrast images of this passenger, the vertical orthographic view filtering out a passenger carries out image area calculating.
Wherein in an embodiment, also comprise and obtain the induction information that passenger enters escalator, and described induction information is sent to image acquiring device.
Wherein in an embodiment, also comprise before passenger enters escalator, the vertical orthographic view obtaining this passenger is initial pictures, and the area calculating described initial pictures is b; Described preset value is more than or equal to 2b.
Wherein in an embodiment, calculate passenger upright time the area of vertical orthographic view be c; Described preset value is more than or equal to 2c.
Wherein in an embodiment, also comprise when getting emergency rescue signal, escalator shuts down.
Wherein in an embodiment, described emergency rescue signal is sent by the survival kit being arranged at escalator both sides.
Wherein in an embodiment, described contrast images is infrared thermal imaging.
The beneficial effect of the invention described above:
Above-mentioned escalator contingency first-aid method, the vertical orthographic view taking the passenger of escalator by each monitoring image acquisition device automatic acquisition is contrast images, and according to calculating image area and preset value contrasts; Normal circumstances, the image area obtained is less than preset value, and escalator normally runs; When passenger is because accidentally falling, its image area is greater than preset value, and escalator shuts down automatically, avoids passenger to be subject to secondary injury.Escalator contingency first-aid method of the present invention can significant response contingency, reduces the loss that contingency causes, avoids as far as possible taking passenger's injures and deaths.
Accompanying drawing explanation
Fig. 1 is the enforcement schematic diagram of escalator contingency first-aid method of the present invention.
Description of reference numerals:
100, escalator, 110, image acquiring device, 120, survival kit, 130, emergency stop button, 140, main control system.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearly understand, below in conjunction with the drawings and the specific embodiments, the present invention is described in further detail.Should be understood that, detailed description of the invention described herein only in order to explain the present invention, does not limit protection scope of the present invention.
A kind of escalator contingency first-aid method of the present invention, comprises the steps:
Passenger is with in escalator motion process, and the vertical orthographic view obtaining this passenger is contrast images, and the area calculating described contrast images is a;
When a is less than preset value, escalator remains in operation;
When a is more than or equal to preset value, escalator shuts down.
Shown in Fig. 1, escalator contingency first-aid method, the vertical orthographic view taking the passenger of escalator by each monitoring image acquisition device automatic acquisition is contrast images, and according to calculating image area and preset value contrasts; Normal circumstances, the image area obtained is less than preset value, and escalator normally runs; When passenger is because accidentally falling, its image area is greater than preset value, and escalator shuts down automatically, avoids passenger to be subject to secondary injury.Escalator contingency first-aid method of the present invention can significant response contingency, reduces the loss that contingency causes, avoids as far as possible taking passenger's injures and deaths.
Passenger is with the interval time also comprised in escalator motion process according to presetting, within the occupant ride time period, the vertical orthographic view obtaining this passenger respectively is successively contrast images, and carry out areal calculation and judgement successively respectively, what namely obtain at least one passenger at set intervals takes status image, this image is processed and analyzed, what the passenger of escalator was taken in real-time monitoring takes state, guarantee that the overall process that passenger is taking escalator can be monitored, the contingency of response passenger generation in time; This interval time is 0.5s, 1s, 2s etc.
Interval time can be arranged according to one or more the information in the layout pitch of the angle of inclination of the running velocity of this escalator, escalator and image acquiring device, guarantees to acquire the vertical orthographic view of passenger.Such as according to running velocity and the staircase angle of inclination of escalator, arranging interval time is 1s, obtains the vertical orthographic view of passenger according to the interval time of 1s successively.
Escalator contingency first-aid method also comprises the induction information that acquisition passenger enters escalator, and this induction information is sent to image acquiring device, starts the vertical orthographic view that image acquiring device obtains this passenger in time.Such as judge whether that passenger enters this escalator by sensing apparatus such as pressure sensor, machine recognition device, infrared induction devices, when having sensed that passenger enters escalator, this induction information is sent to image processing apparatus, image processing apparatus obtains the vertical orthographic view of passenger according to the program command preset, be convenient to start image processing apparatus in time, reduce the reaction time, improve recognition efficiency and accuracy.
Also comprise after obtaining the contrast images of this passenger and identify passengers quantity according to this contrast images, the vertical orthographic view filtering out a passenger carries out image area calculating, avoid because of on step simultaneously on one's feet more than two people time, the generation of the situation causing escalator automatically to shut down because the image area obtained is excessive; Situation is distinguished when can have a two or more according to the highest temperature of the discountinuity of image, image etc., and carries out image area calculating to the vertical orthographic view of a passenger, preferably, according to calculating maximum image area and estimated value contrasts.
Escalator contingency first-aid method also comprises before passenger enters escalator, the vertical orthographic view obtaining this passenger is initial pictures, and the area calculating described initial pictures is b, contrast images and preliminary examination image is utilized to carry out preliminary comparison, and analyze according to contrasting the difference drawn, tentatively judge that passenger's takes state; Between being 2 times to 5 times of vertical frontal projected area not etc., relevant with the height, the girth of a garment, physique etc. of people, meet accident is that its area of conter can change to whole body frontal projected area, and when difference is excessive, escalator shuts down automatically.As preset value is more than or equal to 2b, preferred preset value is 3b, and when the area a of the contrast images calculated is more than or equal to 3b, this escalator shuts down automatically; When the area a of the contrast images calculated equals 3b, this escalator continues normal operation automatically.
The size of preset value can be set in advance, can upright according to several normal passenger time vertical orthographic view try to achieve average area, according to this average area as a reference, the size of preset value is set.Preferably, calculate passenger upright time the area of vertical orthographic view be c; Described preset value is more than or equal to 2c.Normal person's whole body frontal projected area is 320cm
2-450cm
2, the area of vertical orthogonal projection is 80cm
2-160cm
2whole body frontal projected area between being 2 times to 5 times of vertical frontal projected area not etc., relevant with the height, the girth of a garment, physique etc. of people, meet accident is that its area of conter can change, rational preset value can be arranged consider occur various unexpected time, the change of vertical frontal projected area, utilizes this change to judge various unexpected generation, judge in time, stop the operation of escalator.
Also comprise when getting emergency rescue signal, escalator shuts down, and described emergency rescue signal is sent by the survival kit being arranged at escalator both sides.Adopt dual safety, as long as the passenger sending contingency triggers be arranged at the survival kit of escalator both sides, the control center of escalator obtains this emergency rescue signal, and controls escalator and shut down.This survival kit can be trigger button, trigger draw ring etc.
Preferably, the vertical projection infrared thermal imaging of passenger is obtained, if contrast images is infrared thermal imaging, if initial pictures is infrared thermal imaging.The image simultaneously acquired can also carry out Image semantic classification, improves and identifies and speed of response.
Shown in Fig. 1, apply this escalator contingency first-aid method as follows:
(1), during escalator operation, main control system starts overlooks monitoring image acquisition device and survival kit sense command, and detects the status information of overlooking monitored control system and first aid stop bracelet.
(2) overlook monitored control system each image acquiring device and video surveillance is carried out to ' locked ' zone, and regularly carrying out image interception is sent to main control system.First main control system carries out personnel's image recognition to truncated picture, obtains personnel image area a, compares analysis to image area a, if when a is more than or equal to preset value, status recognition is abnormal, controls escalator and shuts down.
(3) multiple survival kit is arranged at the both sides of escalator along the service direction uniform intervals of escalator, and the spacing between survival kit and step iron plate is 10-30cm, by main control system, survival kit state is detected in real time, as got the emergency rescue signal that survival kit sends, then its status information is designated exception by mainframe program, controls escalator and shuts down.
Experimental conditions:
1, experimental subjects
First group selection 100 adult human male, wherein height is 50 people of 160 centimetres to 170 centimetres, 171 centimetres to 182 centimetre 50 people;
Second group selection 100 adult female, wherein height is 50 people of 150 centimetres to 160 centimetres, 50 people of 161 centimetres to 170 centimetres;
3rd group selection 100 children are irrespective of sex, and wherein height is 50 people of 100 centimetres to 125 centimetres, 50 people of 126 centimetres to 1149 centimetres.
2, experiment condition
The escalator that 30 meters, market is long, highly installs 60 monitoring cameras for 4 meters above stair step, installs one every 0.50 meter of distance.The monitoring camera orientation of monitoring image acquisition device is identical with gradient with escalator orientation with gradient, and the people under forming camera lens and camera lens, corresponding escalator step stood is vertical relation from top to down.
3, experimentation
System for monitoring opening, restarts escalator, and step starts to do circulating motion, three groups of crowd's independent assortments, in 30 minutes of regulation to lower and on and travel 5 from top to down back and forth, both 10 one way; Under high safety protection, carry out the artificial experiment of deliberately falling down, wherein male individual deliberately falls down 3 times, female individual deliberately falls down 3 times, men and women 2 people goes with and deliberately falls down 3 times, adult and children go with deliberately to fall down 3 times, and 12 times altogether, result is that in 1.5 seconds, escalator all shuts down after people falls down completely.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification sheets is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an escalator contingency first-aid method, is characterized in that, comprises the steps:
Passenger is with in escalator motion process, and the vertical orthographic view obtaining this passenger is contrast images, and the area calculating described contrast images is a;
When a is less than preset value, escalator remains in operation;
When a is more than or equal to preset value, escalator shuts down.
2. escalator contingency first-aid method according to claim 1, it is characterized in that, passenger is with the interval time also comprised in escalator motion process according to presetting, within the occupant ride time period, the vertical orthographic view obtaining this passenger respectively is successively contrast images, and carries out areal calculation and judgement successively respectively.
3. escalator contingency first-aid method according to claim 2, it is characterized in that, described interval time is arranged according to one or more the information in the layout pitch of the running velocity of this escalator, the angle of inclination of escalator and image acquiring device.
4. escalator contingency first-aid method according to claim 2, is characterized in that, also comprises and obtains the induction information that passenger enters escalator, and described induction information is sent to image acquiring device.
5. escalator contingency first-aid method according to claim 1, it is characterized in that, also comprise after obtaining the contrast images of this passenger and identify passengers quantity according to this contrast images, the vertical orthographic view filtering out a passenger carries out image area calculating.
6. escalator contingency first-aid method according to claim 1, is characterized in that, also comprise before passenger enters escalator, the vertical orthographic view obtaining this passenger is initial pictures, and the area calculating described initial pictures is b; Described preset value is more than or equal to 2b.
7. escalator contingency first-aid method according to claim 1, is characterized in that, calculate passenger upright time the area of vertical orthographic view be c; Described preset value is more than or equal to 2c.
8. the escalator contingency first-aid method according to any one of claim 1-7, it is characterized in that, also comprise when getting emergency rescue signal, escalator shuts down.
9. escalator contingency first-aid method according to claim 8, it is characterized in that, described emergency rescue signal is sent by the survival kit being arranged at escalator both sides.
10. escalator contingency first-aid method according to claim 1, is characterized in that, described contrast images is infrared thermal imaging.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610096622.8A CN105540398B (en) | 2016-02-22 | 2016-02-22 | Escalator contingency first-aid method |
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| CN201610096622.8A CN105540398B (en) | 2016-02-22 | 2016-02-22 | Escalator contingency first-aid method |
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Cited By (3)
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| CN107089581A (en) * | 2017-04-13 | 2017-08-25 | 快意电梯股份有限公司 | Security monitoring promptly stops terraced system and control method |
| CN110294397A (en) * | 2018-07-05 | 2019-10-01 | 江苏瑞奇海力科技有限公司 | A kind of staircase passenger safety prior-warning device and method |
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Granted publication date: 20170915 |