CN107592853A - For preventing from occurring in the fishback region of escalator or moving sidewalk the safety device and method of accident - Google Patents
For preventing from occurring in the fishback region of escalator or moving sidewalk the safety device and method of accident Download PDFInfo
- Publication number
- CN107592853A CN107592853A CN201680024140.XA CN201680024140A CN107592853A CN 107592853 A CN107592853 A CN 107592853A CN 201680024140 A CN201680024140 A CN 201680024140A CN 107592853 A CN107592853 A CN 107592853A
- Authority
- CN
- China
- Prior art keywords
- fishback
- capacitor
- safety device
- escalator
- moving sidewalk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 34
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims description 15
- 241001465754 Metazoa Species 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000002266 amputation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/02—Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects
- B66B29/06—Combplates
Landscapes
- Escalators And Moving Walkways (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
It is a kind of to be used to prevent that the safety device and method of accident occurs in the fishback region of escalator or moving sidewalk.Safety device includes at least one capacitor (8), capacitance measurement module (7) and controller (6), each capacitor is formed by the first condenser armature and the second condenser armature (9), first condenser armature contacts with the fishback (2) or floor (16) of the escalator or moving sidewalk (1), and second condenser armature (9) is connected to reference voltage；Capacitance measurement module (7) is used for the electric capacity (C) for measuring at least one capacitor (8), to obtain at least one capacitance signal (20)；Controller (6) is configured for comparing each capacitance signal (20) and at least one predetermined value (22), and, based on the comparison, determine whether to have occurred and that danger situation, and send alarm signal or signal of ceasing and desisting order to the escalator or the moving sidewalk (1) in this case.The safety device can be detected when human skin is close to fishback region so that escalator or moving sidewalk stopping, thus avoiding personal injury.
Description
Technical field
The present invention relates to the field of escalator and moving sidewalk, more particularly relates to prevent in fishback region
The field of the middle safety device that accident occurs.
Background technology
Fishback is the part at the entrance and exit in escalator or moving sidewalk, and the part may move
Partly (pedal or step) separates with fixed part (floor).The edge of fishback has a series of teeth, the tooth and escalator
Groove engagement in step or moving sidewalk plate.Therefore, it is constantly present and is caught in (entrapment) risk, for finger and toe
It is especially true.Report some accidents in fishback region every year, wherein finger or toe are absorbed in escalator or from moving
In boundary between the moveable part on trade and irremovable part.Other Common Accidents are helped automatically by not inadvertently blocking
The people fallen on floor of the outlet of ladder/moving sidewalk causes, and which increase before someone manually stops system
Risk when escalator/moving sidewalk continues to run with.
If it is well known that detecting any problem (mechanical collision, being caught in) for causing fishback displacement, then must make certainly
Dynamic staircase and moving sidewalk stop.In some cases, broach rupture may also be by being applied in problematic teeth portion section
Obvious power cause displacement in fishback, therefore, it is intended that form risk to the passenger of moving sidewalk or escalator,
So that it must start up being automatically stopped for escalator or moving sidewalk.
Some safety devices monitor the movement of fishback section and/or fishback and trigger alarm signal.Nowadays, peace is worked as
When safety device in escalator or moving sidewalk detects the displacement of fishback, make escalator or from moving row
Road stops immediately.
Document DE29907184-A1 discloses a kind of escalator and moving sidewalk, wherein, fishback section has attached
It is connected to the line of broach.When broach ruptures, because line is disconnected so being able to detect that the rupture.Document WO14208906-A1
Ruptured by using detection line detection comb.
It it is known that using the plastics fishback with unitary plastics tooth, the fishback, which is arranged to have, is used for detection of electrons system
The cavity of system, electronic detection system detection tooth is damaged and closes motor as response.However, these safety devices have
Some shortcomings：Circuit in tooth is expensive during fabrication, and whole due to that must be replaced during tooth breakage using single-piece plate-tooth assembly
Individual fishback is so that replace expensive.Solve these shortcomings in US2007137979-A1, broach has printed circuit detection
Device and processor, printed circuit detector are electrically connected to circuit board, the damage testing unsafe condition that processor passes through tooth.
Document US5718319-A is disclosed for detecting using in escalator or moving sidewalk for jam object
Safety device, wherein, very thin high-strength flexible line is positioned through all broach.The stretching triggering electric switch of line, this transfers
Cause secondary (relay) out of service of escalator or moving sidewalk.
Document GB1031967-A discloses the safe fishback for the escalator with broach, and the broach can be resisted
Corresponding spring moves to close the switch of the circuit in the drive motor of escalator in the vertical.Therefore, escalator
Step tread in barrier will engage one or more broach and stop escalator.
DE10259149-A1 is disclosed using capacitance type sensor, and it is used to monitor the broach on automatic staircase comb plate
Integrality.Therefore, paired conductive foil electrode is located on broach and fishback annex, and it is connected to and detects capacitance variations
When indicate the electronic monitoring unit of single broach rupture.When the safety device detects effective rupture of single broach, it makes
Obtain escalator or moving sidewalk is closed.
Document WO14015870-A2 discloses the safety device of the joint installed in fishback and broach, and this is filled safely
Put and extended transversely with relative to the traffic direction of escalator or moving sidewalk, enabling detect fishback and/or comb
The motion of tooth.When detecting the relative motion more than scheduled volume, the closing of escalator or moving sidewalk is automatically activated.
Document JP8073170-A is disclosed for preventing the captures object between the step and fishback of escalator
Accident.Pedal is rotatably fitted to fishback.When capturing foreign body in the space between fishback and step, step on
Plate lifts and from safety switch release projection, the motion with pedal interlocks, so that escalator stops.
US5611417-A also discloses a kind of device, and it is used to lead in response to the power applied to activate safety switch
Causing the motion of fishback stops escalator and moving sidewalk.Document KR20040016094-A, which is disclosed, to be used for from moving
The comb contact on trade, it includes sensor board, deformation sensing element and switch, and sensor board is due to the position of fishback
Move and be deformed, deformation sensing element is attached on sensor board with the deformation of sensing sensor plate, is switched for sensing
To deformation be more than predetermined value when stop the operation of moving sidewalk.
Known mechanical detection comb plate displacement or fishback and step between space in barrier it is many its
His safety device, these devices make it that escalator or moving sidewalk are out of service usually using switch, such as
Invention disclosed in CN101323412-A, US2004134748-A, CN202296792-U and DE102011112528-A1.
Some safety devices use the barrier detected in fishback region or the Optical devices of breakage.For example, document
US4800998-A discloses the safety device used in the broach plate part of escalator platform (landing), the device energy
Enough operations enter the object of fishback to detect from escalator tread.The device includes photoelectric detector, the photoelectric detector
It is positioned at the lower section of fishback and detects light beam that fishback is cast through when tread passes through fishback.When foreign body is being combed
Below tooth plate by and when stopping light beam, by detector senses to the possible danger.Obstructed if light beam remains
Predetermined amount of time, then the operation of escalator motor is caused to stop.Other documents (such as JP11292451-A and
Detected when CN203922417U) also barrier be present in broach breakage or fishback region using photoelectric detector.
Other safety devices (such as safety device disclosed in US2008252724-A) include clapping by using camera
The safe condition for take the photograph photo, comparing the photo and reference picture and compare determination fishback based on this afterwards, so as to optically
Monitor fishback.
All these current safety devices reduce the consequence of accident, but detect obstacle due to working as in most cases
The displacement of thing or fishback of finger or toe during to(for) user may be too late, so leading to not to avoid finger or toe
Amputation.The present invention solves the problem, (that is, is subjected to displacement before accident generation in fishback or finger or pin by user
Before toe hinders) try to avert accidents.
The content of the invention
The Novel safety device is based on capacitance technology, and consider according to human skin or human contact or close to metal,
The different electric capacity that can be measured on the metal surface.Use this type that input can be used as by the use of human body or skin capacitance
Technology, system can be detected when human body or human skin are near to or in contact with danger zone (such as broach), and together
When ignore contact with miscellaneous part (such as shoes, umbrella, roller etc.).Fishback or floor are used as capacitive sensing in itself
The component working of device.The present invention is applied not only to avoid being caught in finger, is additionally operable to detection and falls in fishback/floor area
People.
The electric capacity measured by controller management in fishback region, the controller can adjust predeterminated level to sense,
Trap signal and even finger contact detection zone before determine when real danger situation be present.
Using the program, the detection in the band of the insertion near fishback edge or fishback can be completed and be not required to
The displacement of fishback is wanted thus to avoid personal injury with security function activation.Utilize the identical side in floor area
Case, the capacitance variations caused by it human body on floor be present, it is possible to detect the people fallen.Due in this case,
The human body surface of contacting metal plate is higher than the situation in fishback scheme, so even in skin, non-contiguously plate (that is, only contacts
The clothes of people) when remain able to detect the people lain on floor.
According to the first aspect of the invention, there is provided it is a kind of be used for prevent the fishback of escalator or moving sidewalk/
The safety device of accident occurs for floor area.The safety device includes：
- at least one capacitor, each capacitor are formed by the first condenser armature and the second condenser armature, the first electric capacity
Device plate is connected to reference voltage (preferably with escalator or the fishback or floor contact of moving sidewalk, the second condenser armature
Ground, it is connected to ground)；
- capacitance measurement module, it is used for the electric capacity for measuring at least one capacitor, to obtain at least one capacitance signal；
- controller, it is configured for comparing each capacitance signal and at least one predetermined value, and, based on than
Compared with, it is determined whether danger situation is had occurred and that, and sends alarm signal to escalator or moving sidewalk in this case
Or signal of ceasing and desisting order.
In a preferred embodiment, safety device includes only one capacitor, wherein, the first condenser armature：
- formed by whole fishback, or
- formed by whole fishback, the fishback is additionally included in the framework between floor and fishback, or
- formed by whole fishback, the fishback also includes floor, or
- by entirely plate shape into.
In a further preferred embodiment, safety device includes multiple capacitors with fishback section as many, wherein,
First condenser armature of each capacitor is formed by different fishback sections.
At least one predetermined value is set to detect human skin or animal skin close to/contact fishback region or fall
People on floor.Being somebody's turn to do (one or more) predetermined value can be static (not changing) or dynamically (dynamically change simultaneously
And adapt to specific situation).
Preferably, controller is configured to stop itself when detecting danger situation escalator or moving sidewalk.
According to additional aspects of the present invention, there is provided a kind of to be used to prevent the fishback area in escalator or moving sidewalk
The method of accident occurs in domain.This method comprises the following steps：
The electric capacity of at least one capacitor of-measurement, to obtain at least one capacitance signal, each capacitor is by the first electricity
Container panel and the second condenser armature are formed, and the first condenser armature contacts with the fishback of escalator or moving sidewalk, and second
Condenser armature is connected to reference voltage (preferably ground)；
- compare each capacitance signal and at least one predetermined value；
- it is based on the comparison, it is determined whether danger situation is had occurred and that, and in this case to escalator or automatic
Pavement sends alarm signal or signal of ceasing and desisting order.
Regulation and filtration step of this method preferably also including capacitance signal, such as Exception Filter data, such as electric capacity
Peak value suddenly in signal.
In a preferred embodiment, whether this method is also varied including the acceptable predetermined value of inspection and in the feelings
New predetermined value is limited under shape.
This method can include measurement and the electric capacity of the multiple capacitors of fishback section as many, wherein, each electricity
First condenser armature of container is formed by different fishback sections.
Brief description of the drawings
A series of accompanying drawings are briefly described very much below, and the accompanying drawing facilitates a better understanding of the present invention and with the present invention's
Embodiment as its non-restrictive example introduction is clearly related.
Fig. 1 shows electric capacity of the measurement in the escalator of the present invention or the fishback region of moving sidewalk.
Fig. 2A and Fig. 2 B show the different measurement capacitances according to the distance between finger and fishback.
Fig. 3 shows to install the schematic diagram of safety device on the escalator.
Fig. 4 A show the fishback formed by some fishback sections.Fig. 4 B show to include being used for each fishback section
If dry condenser safety device embodiment.
Fig. 5 shows the flow chart for being used to prevent from occurring in fishback region the method for accident according to the present invention.
Fig. 6 shows the comparison of capacitance signal and threshold value.
Fig. 7 shows the measurement of the amplitude and frequency of periodicity capacitance signal.
Fig. 8 A show that people falls the danger situation on floor, and Fig. 8 B and Fig. 8 C show to be used for detect capacitance signal and
Judge whether to cause danger two kinds of different methods of situation.
Embodiment
The present invention relates to detection human body or animal body contact or close to fishback or the new detecting system of floor area.Should
System can distinguish human body or animal body/human skin or animal skin and other objects.
The system is based on capacitance technology, and the capacitance technology allows measurement fishback or the electric capacity of floor area to distinguish difference
Material.
Using fishback or floor as a condenser armature (negative or positive electrode) and using ground or escalator/from
Any other parts on moving trade are as another condenser armature, and the dielectric of capacitor is by fishback/floor and another
Air and material between condenser armature are formed.
Therefore, the electric capacity of the capacitor will be different according to material/condition between the two plates.This means such as Fig. 1
Shown, nearby existing people is converted into and existed other materials and/or the electricity with the different numerical value in clear area to fishback
Hold.The figure for the electric capacity C that the figure shows to measure between two condenser armatures in upper area：
- the first condenser armature：The fishback 2 of escalator or moving sidewalk 1；With
- the second condenser armature：It is connected to the conductive surface (preferably, ground) of reference voltage.
The electric capacity C of measurement is corresponding to the different situations shown in Fig. 1 lower area.Thus it will be appreciated that when hand 3 is close
During fishback region, capacitance signal 20 significantly increases (referring to the center section 11 of figure), and under normal circumstances, when not having
Human skin or animal skin are close to, (referring to the left half 10 and right half 12 of figure), electric capacity C is generally remained during fishback region
It is stable.
Fig. 2A and Fig. 2 B illustrate in greater detail the finger 5 of the hand 3 of user close to the tooth 4 of fishback 2.Electric capacity is to be present in conjunction
Manage the electrical characteristics between two close conductive surfaces.The change of the distance between two conductive surfaces or its electric charge (+q ,-q)
Mean capacitance variations.In fig. 2, when the finger 5 of user is located at away from the distance x of broach 4, the electric capacity of measurement is C1.Scheming
In 2B, when finger 5 contacts broach 4, the electric capacity of measurement is C2, wherein C1 ≠ C2.
The basic electric diagram for the safety device that Fig. 3 shows to be arranged on escalator 1 (is shown in side view and top view
Go out).Safety device includes controller 6 (for example, microcontroller or PLC), capacitance measurement module 7 and capacitor 8 (by the first electric capacity
Device plate (fishback 2) and be connected to second condenser armature 9 on ground and formed).
Capacitance measurement module 7 measures the electric capacity C of capacitor 8.Controller 6 receives the electric capacity measured by capacitance measurement module 7
Information, and judge it is normal conditions or danger situation based on described information.Under danger situation, controller 6 can make automatically
Staircase 1 stops or sent alarm signal.Therefore, by measuring electric capacity and handling capacitance values, system can be detected in environment
Change and analysis receive information after determine people whether touched fishback.Can be in identical or different equipment
Middle implementation controller 6 and capacitance measurement module 7.
As shown in Figure 4 A, fishback 2 is generally formed (although Fig. 4 A only show two broach by some fishback sections 14
Plate portion section, but fishback is generally formed by unnecessary two fishback sections).Sensitivity as needed, can with it is some not
Same method measurement electric capacity：
- as shown in Figure 4 B, there is independent measurement capacitance (C, C ', C ") for each fishback section 14, Fig. 4 B show
Go out for each fishback section 14 capacitor 8 ' (in this embodiment, fishback is formed by three fishback sections 14,
But it is usually present more fishback sections).
- as shown in figure 3, there is only one measurement capacitance C for all fishback sections 14.
- for the capacitance measurement in the whole fishback regions for including framework of the floor (fixed part) between fishback.
- for the capacitance measurement in the also fishback region including floor.
Fig. 5 shows the flow chart of the method performed by safety device according to preferred embodiment.In step 100, start electricity
Hold measurement.In step 102, capacitance measurement module 7 receives the signal of the capacitor 8 in fishback region.Adjusting and filtering
The signal that the post analysis of step 104 receive is to measure capacitance values.It can be performed in capacitance measurement module 7 or controller 6
The step 104.The controller 6 of safety device compares the signal and (one or more) predetermined number of dynamic or static state of 106 measurements
It is worth (for example, higher thresholds and lower threshold).In step 108, according to measurement signal and the difference of threshold value, it is determined that the structure compared
Whether it is subjected to.For example, Fig. 6 shows the capacitance signal 20 and only one static threshold 22 of measurement.As shown at step 110, when
When capacitance signal 20 exceedes threshold value 22, safety device considers to have occurred and that danger situation (human or animal's touch sensing region), and
And send alarm signal or signal of ceasing and desisting order to escalator controller.The controller 6 of safety device can also be to be helped automatically
A part for terraced controller and in this case, controller can be such that escalator or moving sidewalk 1 stops at once.
It is alternatively possible to dynamically obtain the threshold value of determination.In step 112, safety device check that whether changed
Become acceptable limit value and limit 114 in this case and be used to establish the new limiting value/threshold value compared.If for example, survey
The capacitance values of amount over-limit condition during 1 second, then it may be assumed that detection.But because electric capacity also depends on environmental condition
(humidity, escalator model, step/pedal speed etc.), it is possible to new limiting value, example are determined according to different factors
Such as, last N number of preceding numerical value or average value or other similar factors during last X minutes.It is similarly to oneself of safety device
Dynamic adjustment.
If there is drying method to measure electric capacity.Fig. 7 shows other method, its amplitude based on measurement period capacitance signal 20
And frequency.According to electric capacity C numerical value and due to resonance phenomena, the amplitude of periodicity capacitance signal 20 is by the action according to execution
(the complete hand 3 of 5, one, finger etc.) changes in different frequency scope.No amplitude change is illustrated on Fig. 7
Periodicity capacitance signal.When the (middle) of finger 5 or hand 3 (figure below) are disposed close to fishback region, peace can be passed through by existing
Some changes of the amplitude of full device detection.
In the first embodiment shown in preceding figure, safety device is used to detect human skin contact fishback region, to keep away
Exempt to be caught in finger.In this first embodiment, a condenser armature is formed by fishback at least in part.
In the second embodiment shown in Fig. 8 A to Fig. 8 C, safety device, which is used to detect, falls the people on floor.At this
In second embodiment, a condenser armature is formed by floor.Because in this case, the human body surface of contacting metal plate is much high
In situation in the first embodiment, so in a second embodiment, due to electric capacity caused by the presence as the human body on floor
Change, so even if skin is not in contact with floor (that is, only being contacted with the clothes of people), remains able to detect and falls on floor
On people.
The top view of escalator/moving sidewalk is illustrated on Fig. 8 A, wherein, there is no object on floor wherein.Figure
People 15 is illustrated under 8A and falls the danger situation on floor 16.
Fig. 8 B and Fig. 8 C show with determine whether to have occurred and that danger situation two kinds different for monitoring capacitance signal
Method.In Fig. 8 B method, identical with the situation described in Fig. 6, capacitance signal is compared with upper threshold value.Upper figure, which corresponds to, to be directed to
The electric capacity of top situation (not having object on floor) measurement in Fig. 8 A, the normal conditions of threshold value 22 are less than for capacitance signal 20.
Fig. 8 A figure below corresponds to the electric capacity measured for Fig. 8 A bottom situation (falling the people on floor).In this case, electric capacity
Signal 20 exceedes threshold value 22, therefore detects danger situation.
It is identical with described in Fig. 7 in Fig. 8 C method, the amplitude and frequency of monitoring cycle capacitance signal 20.Figure
8C upper figure corresponds to Fig. 8 A top situation (normal conditions), shows periodicity capacitance signal of the amplitude without change.Fig. 8 C
Figure below correspond to Fig. 8 A bottom situation (people falls on floor), illustrate the ability to the one of amplitude detected by safety device
A little changes.
The Cleaning Principle of the second embodiment (people falls on floor) and first embodiment (human body skin (such as finger/
Hand) near to or in contact with fishback) principle it is identical, check in this second embodiment when human body 15 contacts the metallic plate on floor 16
When electric capacity influence.In this second embodiment, similar to the change of the electric capacity in fishback region when fingers/hand is close to fishback
Change, the whole human body with clothes causes the significant changes of electric capacity.However, the threshold value in two embodiments differs.
Claims (15)
1. a kind of be used to prevent that the safety device of accident, its feature occurs in the fishback region of escalator or moving sidewalk
It is, the safety device includes：
- at least one capacitor (8), each capacitor are formed by the first condenser armature and the second condenser armature (9), and described first
Condenser armature contacts with the fishback (2) or floor (16) of the escalator or moving sidewalk (1), second capacitor
Plate (9) is connected to reference voltage；
- capacitance measurement module (7), it is used for the electric capacity (C) for measuring at least one capacitor (8), at least one to obtain
Capacitance signal (20)；
- controller (6), it is configured for comparing each capacitance signal (20) and at least one predetermined value (22),
And based on the comparison, it is determined whether danger situation is had occurred and that, and in this case to the escalator or described
Moving sidewalk (1) sends alarm signal or signal of ceasing and desisting order.
2. safety device according to claim 1, including capacitor described in only one (8), wherein, first electric capacity
Device plate is formed by the whole fishback (2).
3. safety device according to claim 1, including capacitor described in only one (8), wherein, first electric capacity
Device plate is formed by the whole fishback (2), and the fishback (2) is additionally included in the frame between the floor and the fishback
Frame.
4. safety device according to claim 1, including capacitor described in only one (8), wherein, first electric capacity
Device plate is formed by the whole fishback (2), and the fishback (2) also includes the floor.
5. safety device according to claim 1, including only one capacitor (8), wherein, first condenser armature
Formed by the whole floor (16).
6. safety device according to claim 1, including multiple capacitors with fishback section (14) as many
(8), wherein, first condenser armature of each capacitor (8) is formed by different fishback sections (14).
7. safety device according to any one of the preceding claims, wherein, described the of each capacitor (8)
Two condenser armatures (9) are connected to ground (13).
8. safety device according to any one of the preceding claims, wherein, at least one predetermined value (22) sets
Detection human skin or animal skin are set to close to fishback region.
9. safety device according to any one of claim 1 to 7, wherein, at least one predetermined value (22) sets
It is set to detection and falls the people on the floor.
10. safety device according to any one of the preceding claims, wherein, at least one predetermined value (22) is
Dynamically.
11. safety device according to any one of the preceding claims, wherein, the controller (6) is configured to detecting
Stop the escalator or the moving sidewalk (1) during to danger situation.
12. a kind of method for preventing from occurring in the fishback region of escalator or moving sidewalk accident, its feature
It is, the described method comprises the following steps：
The electric capacity (C) of-measurement (102) at least one capacitor (8), to obtain at least one capacitance signal (20), each institute
State capacitor (8) to be formed by the first condenser armature and the second condenser armature (9), first condenser armature and the escalator
Or the fishback (2) of moving sidewalk (1) or floor (16) contact, second condenser armature (9) are connected to reference voltage；
- compare (106) each described capacitance signal (20) and at least one predetermined value (22)；
- comparison is based on, it is determined that whether (108) have occurred and that danger situation, and in this case to the escalator
Or the moving sidewalk (1) sends (110) alarm signal or signal of ceasing and desisting order.
13. according to the method for claim 12, in addition to whether to check (112) acceptable described predetermined value (22)
It is varied and limit (114) new predetermined value (22) in this case.
14. the method according to claim 12 or 13, including measurement (102) and fishback section (14) as many multiple
The electric capacity (C) of the capacitor (8), wherein, first condenser armature of each capacitor (8) is by different broach
Plate portion section (14) formation.
15. the method according to any one of claim 12 to 14, wherein, described the of each capacitor (8)
Two condenser armatures (9) are connected to ground (13).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15382207.7A EP3088346A1 (en) | 2015-04-27 | 2015-04-27 | Safety device and method for preventing accidents in the combplate area of escalators or moving walkways |
| EP15382207.7 | 2015-04-27 | ||
| PCT/EP2016/055935 WO2016173770A1 (en) | 2015-04-27 | 2016-03-18 | Savety device and method for preventing accidents in the combplate area of escalators or moving walkways |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107592853A true CN107592853A (en) | 2018-01-16 |
| CN107592853B CN107592853B (en) | 2022-02-01 |
Family
ID=53180686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680024140.XA Expired - Fee Related CN107592853B (en) | 2015-04-27 | 2016-03-18 | Safety device and method for preventing accidents in the comb plate area of escalators or moving walkways |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3088346A1 (en) |
| CN (1) | CN107592853B (en) |
| WO (1) | WO2016173770A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110077946A (en) * | 2019-05-30 | 2019-08-02 | 迅达（中国）电梯有限公司 | Staircase safety device and staircase |
| WO2020010794A1 (en) * | 2018-07-12 | 2020-01-16 | 山东科技大学 | Human body detection apparatus for conveying pipeline based on capacitance detection |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10351392B1 (en) | 2018-10-23 | 2019-07-16 | Otis Elevator Company | Escalator and moving walkway system with safety sensor |
| CN112265900A (en) * | 2020-11-09 | 2021-01-26 | 皖江工学院 | Escalator safety protection system and working method thereof |
| WO2022176011A1 (en) * | 2021-02-16 | 2022-08-25 | 三菱電機ビルテクノサービス株式会社 | Inspection device for inspecting state of positional relationship between multiple comb teeth and multiple cleats on passenger conveyor |
| WO2023187884A1 (en) * | 2022-03-28 | 2023-10-05 | 三菱電機株式会社 | Device for detecting breakage of comb plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077708Y (en) * | 2007-08-20 | 2008-06-25 | 杭州新马电梯有限公司 | Combs safety installation |
| TWI360514B (en) * | 2009-02-02 | 2012-03-21 | Chih Hung Wu | |
| CN202518923U (en) * | 2011-02-18 | 2012-11-07 | 东芝电梯株式会社 | Safety device of passenger conveyor |
| WO2014015870A2 (en) * | 2012-07-24 | 2014-01-30 | Thyssenkrupp Fahrtreppen Gmbh | Escalator or moving walkway |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE727487C (en) * | 1939-10-08 | 1942-11-04 | Stahl R Fa | Device for the automatic activation of escalators |
| CH404915A (en) | 1963-11-06 | 1965-12-31 | Schweiz Wagons Aufzuegefab | Safety comb for escalators |
| US4800998A (en) | 1988-01-21 | 1989-01-31 | Otis Elevator Company | Escalator comb safety device |
| JPH0873170A (en) | 1994-09-01 | 1996-03-19 | Mitsubishi Denki Bill Techno Service Kk | Safety device for escalator |
| MY114579A (en) | 1995-04-24 | 2002-11-30 | Inventio Ag | Safety equipment for passenger conveying plants |
| US5718319A (en) | 1996-02-14 | 1998-02-17 | Gih; Gir | Escalator and moving walk comb safety device |
| JP3478728B2 (en) | 1998-04-09 | 2003-12-15 | 三菱電機ビルテクノサービス株式会社 | Escalator entrance / exit safety device |
| DE29907184U1 (en) | 1999-04-22 | 1999-08-26 | Thyssen Fahrtreppen Gmbh | Escalator or moving walk |
| US6520310B1 (en) * | 2001-12-27 | 2003-02-18 | Inventio Ag | Combplate load and obstruction sensor apparatus |
| KR100858783B1 (en) | 2002-08-16 | 2008-09-17 | 오티스 엘리베이터 컴파니 | Combplate Safety Device for Passenger Conveyor |
| DE10259149B4 (en) | 2002-12-18 | 2006-04-27 | Kone Corp. | Device for monitoring component breaks in the area of an escalator or moving walkway |
| JP4309123B2 (en) | 2002-12-24 | 2009-08-05 | 東芝エレベータ株式会社 | Safety device for man conveyor entrance |
| US7334672B2 (en) | 2005-08-12 | 2008-02-26 | Motor Drives & Controls, Inc. | Method for detecting faults in a combplate and sensor combplate |
| DE112005003696T5 (en) | 2005-09-16 | 2009-04-16 | Otis Elevator Co., Farmington | Optical monitoring of the crest line of escalators and moving walkways |
| CN101323412A (en) | 2008-07-30 | 2008-12-17 | 苏州江南嘉捷电梯股份有限公司 | Escalator |
| DE102011112528A1 (en) | 2011-09-07 | 2013-03-07 | Henning Testing Systems Gmbh | Method for examining safety of escalator in e.g. department store, involves releasing switching-off system if force applied on plate exceeds threshold value, and checking deactivation of movement of steps and release of system |
| CN202296792U (en) | 2011-09-28 | 2012-07-04 | 快意电梯有限公司 | Safe device for front plate of escalators |
| KR101378851B1 (en) | 2013-06-26 | 2014-03-27 | (주)미주하이텍 | A safety comb plate of escalator |
| CN203922417U (en) | 2014-05-27 | 2014-11-05 | 苏州德奥电梯有限公司 | A kind of stair comb plate anti-clamping structure |
-
2015
- 2015-04-27 EP EP15382207.7A patent/EP3088346A1/en not_active Withdrawn
-
2016
- 2016-03-18 CN CN201680024140.XA patent/CN107592853B/en not_active Expired - Fee Related
- 2016-03-18 WO PCT/EP2016/055935 patent/WO2016173770A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077708Y (en) * | 2007-08-20 | 2008-06-25 | 杭州新马电梯有限公司 | Combs safety installation |
| TWI360514B (en) * | 2009-02-02 | 2012-03-21 | Chih Hung Wu | |
| CN202518923U (en) * | 2011-02-18 | 2012-11-07 | 东芝电梯株式会社 | Safety device of passenger conveyor |
| WO2014015870A2 (en) * | 2012-07-24 | 2014-01-30 | Thyssenkrupp Fahrtreppen Gmbh | Escalator or moving walkway |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020010794A1 (en) * | 2018-07-12 | 2020-01-16 | 山东科技大学 | Human body detection apparatus for conveying pipeline based on capacitance detection |
| CN110077946A (en) * | 2019-05-30 | 2019-08-02 | 迅达（中国）电梯有限公司 | Staircase safety device and staircase |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3088346A1 (en) | 2016-11-02 |
| WO2016173770A1 (en) | 2016-11-03 |
| CN107592853B (en) | 2022-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107592853A (en) | For preventing from occurring in the fishback region of escalator or moving sidewalk the safety device and method of accident | |
| US10155642B2 (en) | Intelligent escalator emergency stop system (IE2S2) | |
| US8284071B2 (en) | Door assembly including a touch sensitive portion for controlling automated door movement | |
| US9475676B2 (en) | Escalator or moving walkway having a security device | |
| CN108698802B (en) | Method for controlling a transport device, i.e. an escalator or an automated pedestrian path | |
| CN107662868B (en) | Monitoring system of passenger conveyer, passenger conveyer and monitoring method thereof | |
| JP5151594B2 (en) | Object detection device | |
| CN112919294A (en) | Escalator control method and system and escalator system | |
| JP4658352B2 (en) | Method for capacitive object detection in vehicles | |
| CN113233305A (en) | Anti-pinch safety device for side surface of escalator and safety detection method thereof | |
| KR102215565B1 (en) | Apparatus and method for detecting human behavior in escalator area | |
| TWI606003B (en) | Elevator detection device | |
| WO2011108913A1 (en) | A tracking and movement monitoring system and a method thereof | |
| CN207483149U (en) | A kind of detection device of stair comb plate foreign matter protective device | |
| KR101329526B1 (en) | Escalator of real-time safe driving system and its control method | |
| CN106241585B (en) | Accident exigency stop system, staircase and moving sidewalk at a kind of cover board | |
| EP1549816B1 (en) | Capacitive squeeze protecting device | |
| CN107601249B (en) | A kind of detection method of stair comb plate foreign matter protective device | |
| CN211169468U (en) | Maintenance and inspection work support system for passenger conveyor | |
| CN107140504A (en) | Pedal erect-position caution system and alarming method for power, corridor apparatus for ride instead of walk and control method | |
| KR102153191B1 (en) | Non-contact auto leveler, boarding system comprising the same and method thereof | |
| CN108116969B (en) | Escalator safety device and escalator | |
| JP5872992B2 (en) | Passenger conveyor | |
| CN106809717A (en) | A kind of supporting safety device of escalator | |
| JP2000248704A (en) | Safety device for staircase |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |