CN107585669A - The abnormal detector of the step of apparatus of passenger conveyor and apparatus of passenger conveyor - Google Patents
The abnormal detector of the step of apparatus of passenger conveyor and apparatus of passenger conveyor Download PDFInfo
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- CN107585669A CN107585669A CN201710432520.3A CN201710432520A CN107585669A CN 107585669 A CN107585669 A CN 107585669A CN 201710432520 A CN201710432520 A CN 201710432520A CN 107585669 A CN107585669 A CN 107585669A
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- Prior art keywords
- light
- vertical direction
- generally vertical
- passenger conveyor
- tread
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Abstract
The present invention provides the abnormal detector of the step of apparatus of passenger conveyor and apparatus of passenger conveyor, and the exception of the steppeds such as fixed thread part protrusion, tread tilting or the trailing wheel breakage of pedal can be also detected when step tread and step direct of travel are not parallel.In the return side layout line sensor of step, the generally vertical direction position of step tread is measured, the exception of stepped is relatively detected compared with normal value.
Description
Technical field
The present invention relates to the apparatus of passenger conveyor such as escalator or automatic delivery line (auto-line), more particularly to setting
It is placed in apparatus of passenger conveyor, detects the abnormal device for conveying the step of passenger.
Background technology
The abnormal device of the step of detection escalator has been recorded in patent document 1.In the patent document 1, pass through
" there is the light projector of the optical axis intersected with the length direction of escalator by optical sensor " come " detect step relative to tread to
The head for the pedal fixed thread part that lower section protrudes ".
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2004-292152 publications
The content of the invention
The invention technical task to be solved
The abnormal device of detection escalator has been recorded in above-mentioned patent document 1.However, described in patent document 1
What detection means detected is the situation that pedal fixed thread part crosses the certain height for being set with optical axis.But for example marked in Europe
Standard (EN115-1:2008) short transverse at the top of the tread of regulation step with comb plate is spaced in below 4mm, therefore
Need accurately to set very much optical axis to detect small projection.
Further, the detection means needs what the tread for being arranged on step moved in parallel relative to moving direction
The horizontal part of apparatus of passenger conveyor.However, it is used to drive the equipment of step, handrail intensive in the horizontal part, it is difficult to ensure to set
Space, and poor operability is set.In order to realize above-mentioned accuracy of detection, it is necessary to accurately set very much leading for step walking
Rail.
It is an object of the invention to provide a kind of apparatus of passenger conveyor or the abnormal detector of step so that detection means and
The setting of guide rail need not be high-precision, and the tread that can also be arranged on step is transmitted with the not parallel passenger of moving direction and set
Standby rake.
For solving the technical scheme of problem
For at least one to solve the above problems, passenger is loaded in by a mode, one kind as the present invention
Step and the apparatus of passenger conveyor that is conveyed include：Line sensor, it configures the direct of travel in the return side of step
Side, continuously detect the generally vertical direction position of the step tread of the position；According to the time of generally vertical direction position
Change to detect the abnormal arithmetic unit of stepped；Make above-mentioned apparatus of passenger conveyor urgent with according to the output of arithmetic unit
The control device of stopping.
In addition, the abnormal detector as another way passes through with the light projector face orthogonal with the moving direction of step
Light projector is calculated the generally vertical direction position of step tread by optical sensor, based on from the tread for detecting a step
The appropriate value of above-mentioned generally vertical direction position corresponding to the elapsed time of end and the difference of above-mentioned calculated value detect step
Exception.
Invention effect
According to the present invention a mode, using the teaching of the invention it is possible to provide can reduce light projector by the setting precision of optical sensor or guide rail,
Light projector can be arranged on the apparatus of passenger conveyor or abnormal detector that machine is configured with the rake of surplus by optical sensor.
The problem of outside the above, structure and effect can be clear and definite by implementation below.
Brief description of the drawings
Fig. 1 is the enlarged drawing near line sensor (line sensor) 21.
Fig. 2 is provided with the side view of the escalator of the abnormal detector of step.
Fig. 3 represents the tread 2 and lower edge part (bottom chord) 20 of the step 1 of the opening position of configuration wired sensor 21
Distance time change.
Fig. 4 is the side view of the abnormal detector of the step of the first embodiment of the present embodiment for representing stainless steel step
Figure.
Fig. 5 is the end enlarged drawing of the tread 2 from step moving direction.
Embodiment
Embodiment is illustrated following with accompanying drawing.
Embodiment 1
The present embodiment is illustrated following with Fig. 1~Fig. 5.
Fig. 2 is the side view of the escalator of the abnormal detector for the step for including the present embodiment.In lower floor 11
Under configure lower terminal end gear 12, upper terminal gear 14 is configured under top floor 13.It is being wound in lower terminal end tooth
Link step 1 on the step chain of the ring-type of wheel 12 and upper terminal gear 14, made by the drive device 16 in Machine Room 15
Upper terminal gear 14 is rotated move step 1.When step rises and run, movement is repeated below：From lower floor 12 it
The step 1 of lower appearance enters under top floor 13, under being returned after the reversion of upper terminal gear 14 with the state substantially swung to
Portion's extreme gear 13, occurs under lower floor again.In addition, the section that step is moved with substantially inverted state is referred to as
Return to side.On the other hand, the section that step is moved with usual direction is referred to as traveling side, and the step of traveling side is obliquely upward substantially
The section point-blank moved is referred to as the rake 18 of escalator, than the portion's floor side on the lower of rake 18 part be referred to as under
Portion's horizontal part 17, the part of portion's floor side more top than rake 18 are referred to as upper level portion 19.
Line sensor 21 configures returns to the step 1 of side in rake 18, measurement.
Fig. 1 is the enlarged drawing near line sensor 21.Lower edge part 20 be rake 18 structure member, the length of lower edge part 20
It is parallel with the moving direction of the step 1 in rake 18 to spend direction.Line sensor 21 includes：The light projector of laser is projected on straight line
Portion；With the light accepting part of multiple photo detectors with configuration on straight line, light-projecting portion and light accepting part are matched somebody with somebody in a manner of across step 1
Put.When step 1 is by between light-projecting portion and light accepting part, laser is covered by step 1, therefore can measure configuration wired sensor 21
Opening position step 1 tread 2 and lower edge part 20 distance.Line sensor 21 configures the traveling side in the return side of step
To side, continuously detect the position of the generally vertical direction of the step tread of the opening position.Arithmetic unit 22 is according to step
The time change of the generally vertical direction position of tread detects the exception of stepped.Control device 23 is according to arithmetic unit
Output carrys out the above-mentioned apparatus of passenger conveyor of emergent stopping.
Fig. 3 represents the tread 2 and the when anaplasia of the distance of lower edge part 20 of the step 1 of the opening position of configuration wired sensor 21
Change.The tread 2 and the time change of the distance of lower edge part 20 of the step 1 of the opening position of layout line sensor 21 are entered using Fig. 3
Row explanation.Fig. 3 be by line sensor 21 measure the obtain, position closest to lower edge part 20 of step 1 to lower edge part 20 away from
From the waveform changed over time, the longitudinal axis is its distance, and transverse axis is the moment.The portion of shield wire sensor 21 is described under transverse axis
Position.When step 1a passes through line sensor 21, because tread 2 is the plane not parallel with lower edge part 20, therefore the distance is point-blank
Reduce.Pass through line sensor 21 after pedal 2 is lifter (riser) 3, therefore above-mentioned distance increases.Due to step 1a
Lifter 3 end it is different from the position of the end of next step 1b tread 2, therefore two steps boundary it is above-mentioned away from
Increase from moment.Deformation if there is tread 2 etc. is abnormal, then shown in dotted line, can observe different from point-blank reducing
Time change waveform.
Therefore, arithmetic unit 22 detects the tread of new step at the time of above-mentioned distance instantaneously varies widely
2 beginning, when the change of the above-mentioned distance untill lifter is detected exceedes prescribed limit, the control to escalator
Device 23 exports stop signal.Preferably, the prescribed limit is surveyed according to the detection moment of the tread 2 in Fig. 3 in new step
Above-mentioned distance, obtain with being added at the moment according to the required time that goes out of translational speed and the Size calculation of step 1 of step
To at the time of the above-mentioned distance that measures, provided according to the dimensional tolerance of regulation.
By using this structure, stepped on even if the length direction of tread 2 and lower edge part 20 is not parallelly mobile, step 1
Plate fixed thread part etc. only has small number mm from the overhang of tread 2, also can easily detect prominent state.Can
Prevent that the ledge from colliding with the broach (comb plate) positioned at lower floor 11 or the front end on top floor 13 and causes
These positions are damaged.
The stainless steel step that tread 2 is fastened by bolts or welds and install in the stepped configuration of Fig. 4 expression dichotomic types.Profit
Carried out with the effect of Fig. 4 stainless steel steps for being fastened by bolts to tread 2 in the stepped configuration of dichotomic type or welding and installing
Explanation.Stainless steel step is that the tread 2 formed by stainless-steel sheet is connected to front-wheel installation portion 5 via the A-frame 4 of steel
With the structure of trailing wheel 6.In addition, front wheels and rear wheels 6 are walked on respective guide rail and support step 1.External force outside as anticipation
Act on damaged mode when on stainless steel step, it is contemplated that the installation position breakage of tread 2 be present, the damage that the part of tread 2 tilts
Bad pattern.
In addition, as the defective pattern similarly occurred in aluminum step, it is contemplated that exist trailing wheel itself breakage, after
The breakage of installation bolt is taken turns, the aluminum step is another stair structure, is pacified with tread 2, lifter 3, A-frame 4, front-wheel
The aluminium casting that position corresponding to dress portion 5 is integrally constituted.In the defective pattern, step entirety occurs is closely located to lower edge part 20
Change.For these defective patterns, due to the distance of the abnormal detector measurement tread 2 and lower edge part 20 of the present embodiment,
Therefore the exception of stepped is capable of detecting when, prevents step 1 from being collided with above-mentioned broach.
Herein, can also be when escalator dispatches from the factory or installation when learning functionality can be set in arithmetic unit 22
When stepped in the state of normal, to learn the time change waveform or its characteristic quantity of above-mentioned distance, add in the learning outcome
Above or defined dimensional tolerance is subtracted to determine above-mentioned defined scope.
Moreover it is preferred that the coplanar laser illumination of line sensor 21 can be orthogonal with the length direction of lower edge part 20.Or
Person, when being able to ensure that the length of light-projecting portion and light accepting part, in vertical guide above-mentioned coplanar laser illumination can tilt.Now,
It can be considered that tilting and being sized tolerance, thus, it is possible to detect exception of interest, the installation essence of line sensor 21 can be made
Degree declines.
In addition, it is the transmission sensors with light-projecting portion and light accepting part for line sensor 21 in the above description
Situation be illustrated, but step 1 moving direction side configuration light-projecting portion and light accepting part, light-projecting portion irradiation light quilt
The reflected light formula sensor that step 1 is caught after reflecting by light accepting part, can also obtain same effect.
Fig. 5 is the enlarged drawing of the end for the tread 2 observed from the moving direction of step.Illustrated with Fig. 5 by tread 2
The situation of the abnormal detector of the present embodiment is set in the escalator that the step for the structure that side uprises is formed.Tread 2 wraps
Include stainless steel valley 7 and plastics valley 8.Plastics valley 8 is by the valley 8c with stainless 7 roughly the same height of steel valley
Formed with valley 8a, 8b higher than valley 8c.For example, the plastics such as makrolon are compared with stainless steel, due to a part of ripple
Long light has a high-transmission rate, therefore will not be hindered by high valley 8a, 8b when line sensor 21 irradiates laser from the right of figure,
The distance of the front end of valley 7 and lower edge part 20 can be measured.
Accompanying drawing marks explanation
1 ... step
2 ... treads
11 ... lower floors
13 ... tops floor
18 ... rakes
20 ... lower edge parts
21 ... line sensors.
Claims (7)
- A kind of 1. apparatus of passenger conveyor that passenger is loaded in step and conveyed, it is characterised in that including：Line sensor, it configures the side of the direct of travel in the return side of the step, continuously detects the ladder of the position The generally vertical direction position of level tread；The abnormal arithmetic unit of stepped is detected according to the time change of the generally vertical direction position；WithThe control device of the apparatus of passenger conveyor emergent stopping is made according to the output of the arithmetic unit.
- 2. apparatus of passenger conveyor as claimed in claim 1, it is characterised in that：The arithmetic unit identifies the row of the step tread according to the time change of the generally vertical direction position Enter the front-end and back-end in direction, when the time change of the generally vertical direction position between them is not linear, identification Go out the exception of the stepped.
- 3. apparatus of passenger conveyor as claimed in claim 1, it is characterised in that：The time change of the arithmetic unit storage stepped generally vertical direction position measured when normal, When difference in the generally vertical direction position of the storage and the generally vertical direction position measured exceedes prescribed limit, Identify the exception of the stepped.
- 4. such as apparatus of passenger conveyor according to any one of claims 1 to 3, it is characterised in that：The line sensor is following transmission-type line sensor：It includes light-projecting portion and light accepting part of the separate configuration in the left and right of the direct of travel of the step,Light-projecting portion irradiation light on the straight line of generally vertical direction to the light accepting part, also, the light accepting part has Configuration with the photo detector on the straight line of the straight line parallel.
- 5. such as apparatus of passenger conveyor according to any one of claims 1 to 3, it is characterised in that：The line sensor is following reflected light formula line sensor：It includes the light-projecting portion and light accepting part of side of the separate configuration in the left and right of the direct of travel of the step,Light-projecting portion irradiation light on the straight line of generally vertical direction to the step, also, the light accepting part have match somebody with somebody Put with the photo detector on the straight line of the straight line parallel.
- 6. apparatus of passenger conveyor as claimed in claim 4, it is characterised in that：In the step tread, the plastic section at the left and right end of its direct of travel is higher than the stainless steel portion of central portion,The light of the light-projecting portion irradiation is included compared with the stainless steel portion, the plastic section has sufficiently high transmissivity Wavelength.
- A kind of 7. abnormal detector for the apparatus of passenger conveyor that passenger is loaded in step and conveyed, it is characterised in that bag Include：Line sensor, it configures the side of the direct of travel in the return side of the step, continuously detects the ladder of the position The generally vertical direction position of level tread；Arithmetic unit, it identifies the traveling of the step tread according to the time change of the generally vertical direction position The front-end and back-end in direction, when the time change of the generally vertical direction position between them is not linear, identify The exception of the stepped；WithThe control device of the apparatus of passenger conveyor emergent stopping is made according to the output of the arithmetic unit,The line sensor is following transmission-type line sensor：The line sensor includes the light-projecting portion and light accepting part of the left and right of direct of travel of the separate configuration in the step, the throwing Light portion irradiation light on the straight line of generally vertical direction to the light accepting part, also, the light accepting part have configuration with institute State the photo detector on the straight line of straight line parallel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016133857A JP6655488B2 (en) | 2016-07-06 | 2016-07-06 | Anomaly detection device for passenger conveyor or passenger conveyor steps |
| JP2016-133857 | 2016-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107585669A true CN107585669A (en) | 2018-01-16 |
| CN107585669B CN107585669B (en) | 2019-10-29 |
Family
ID=60948446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710432520.3A Active CN107585669B (en) | 2016-07-06 | 2017-06-09 | The abnormal detector of the step of apparatus of passenger conveyor and apparatus of passenger conveyor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6655488B2 (en) |
| CN (1) | CN107585669B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015606A (en) * | 2018-01-10 | 2019-07-16 | 东芝电梯株式会社 | Escalator diagnostic device and escalator diagnostic method |
| CN115916684A (en) * | 2020-06-23 | 2023-04-04 | 三菱电机楼宇解决方案株式会社 | Detection device and passenger conveyor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746663A (en) * | 2008-12-04 | 2010-06-23 | 三菱电机大楼技术服务株式会社 | Safety device of escalator |
| CN102367150A (en) * | 2011-10-27 | 2012-03-07 | 康力电梯股份有限公司 | Ladder step missing detection device |
| CN105366522A (en) * | 2014-08-22 | 2016-03-02 | 上海三菱电梯有限公司 | Safety detection device of passenger conveying device |
-
2016
- 2016-07-06 JP JP2016133857A patent/JP6655488B2/en active Active
-
2017
- 2017-06-09 CN CN201710432520.3A patent/CN107585669B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746663A (en) * | 2008-12-04 | 2010-06-23 | 三菱电机大楼技术服务株式会社 | Safety device of escalator |
| CN102367150A (en) * | 2011-10-27 | 2012-03-07 | 康力电梯股份有限公司 | Ladder step missing detection device |
| CN105366522A (en) * | 2014-08-22 | 2016-03-02 | 上海三菱电梯有限公司 | Safety detection device of passenger conveying device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110015606A (en) * | 2018-01-10 | 2019-07-16 | 东芝电梯株式会社 | Escalator diagnostic device and escalator diagnostic method |
| CN115916684A (en) * | 2020-06-23 | 2023-04-04 | 三菱电机楼宇解决方案株式会社 | Detection device and passenger conveyor |
| CN115916684B (en) * | 2020-06-23 | 2023-07-28 | 三菱电机楼宇解决方案株式会社 | Detection device and passenger conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107585669B (en) | 2019-10-29 |
| JP2018002433A (en) | 2018-01-11 |
| JP6655488B2 (en) | 2020-02-26 |
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