CN107585669B - 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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- CN107585669B CN107585669B CN201710432520.3A CN201710432520A CN107585669B CN 107585669 B CN107585669 B CN 107585669B CN 201710432520 A CN201710432520 A CN 201710432520A CN 107585669 B CN107585669 B CN 107585669B
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- tyre tread
- vertical direction
- passenger conveyor
- generally vertical
- line sensor
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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, tyre tread tilting or the rear-wheel breakage of pedal is able to detect when step tyre tread and step direction of travel are not parallel.In the return side layout line sensor of step, the generally vertical direction position of step tyre 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 the abnormal device of apparatus of passenger conveyor, the step for detecting conveying passenger.
Background technique
The abnormal device of the step of detection escalator is described in patent document 1.In the patent document 1, pass through
" having the light projector of the optical axis intersected with the length direction of escalator by optical sensor " come " detect step relative to tyre tread to
The head of lower section pedal fixed thread part outstanding ".
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2004-292152 bulletin
Summary of the invention
The invention technical task to be solved
The abnormal device of detection escalator is described in above patent document 1.However, recorded in patent document 1
Detection device detection is the case where pedal fixed thread part crosses the certain height for being set with optical axis.But it is for example marked in Europe
Short transverse in quasi- (EN115-1:2008) at the top of the tyre tread of regulation step with comb plate is spaced in 4mm hereinafter, therefore
It needs accurately to set very much optical axis to detect small protrusion.
Further, which needs the tyre tread that step is arranged in move in parallel relative to moving direction
The horizontal part of apparatus of passenger conveyor.However, for driving the equipment of step, handrail intensive in the horizontal part, it is difficult to ensure setting
Space, and poor operability is set.In order to realize above-mentioned detection accuracy, need accurately to be arranged very much leading for step walking
Rail.
The object of the present invention is to provide a kind of apparatus of passenger conveyor or the abnormal detector of step so that detection device and
The setting of guide rail does not need high-precision, and the tyre tread that step can also be arranged in is transmitted with the not parallel passenger of moving direction and set
Standby rake.
A technical solution to solve project
Passenger is loaded in by solve the above-mentioned problems at least one as one embodiment of the present invention, a kind of
Step and the apparatus of passenger conveyor conveyed includes: line sensor, configure the direction of travel returned in side in step
The generally vertical direction position of the step tyre tread of the position is continuously detected in side；According to the time of generally vertical direction position
Change to detect the abnormal arithmetic unit of stepped；Keep above-mentioned apparatus of passenger conveyor urgent with the output according to 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 tyre tread by optical sensor, based on from the tyre tread for detecting a step
Step is detected by the appropriate value of time corresponding above-mentioned generally vertical direction position and the difference of above-mentioned calculated value in end
Exception.
Invention effect
According to one method of the present invention, be capable of providing can reduce light projector by the setting precision of optical sensor or guide rail,
Light projector can be arranged in the apparatus of passenger conveyor or abnormal detector of the rake that machine configuration has a margin by optical sensor.
The problem of except above content, structure and effect can be defined by following implementation.
Detailed description of the invention
Fig. 1 is the enlarged drawing near line sensor (line sensor) 21.
Fig. 2 is the side view for being provided with the escalator of abnormal detector of step.
Fig. 3 indicates the tyre tread 2 and lower edge part (bottom chord) 20 of the step 1 at the position of configuration wired sensor 21
Distance time change.
Fig. 4 is the side view for indicating the abnormal detector of the step of the first embodiment of the present embodiment of stainless steel step
Figure.
Fig. 5 is the end enlarged drawing of the tyre tread 2 from step moving direction.
Specific embodiment
Embodiment is illustrated following with attached drawing.
Embodiment 1
The present embodiment is illustrated following with FIG. 1 to FIG. 5.
Fig. 2 be include the present embodiment step abnormal detector escalator side view.In lower floor 11
Under configure lower terminal end gear 12, under top floor 13 configure upper terminal gear 14.It is being wound in lower terminal end tooth
Link step 1 on the cricoid step chain of wheel 12 and upper terminal gear 14, is made by the driving device 16 in Machine Room 15
Upper terminal gear 14 rotates to keep step 1 mobile.When step rises and runs, repeat following mobile: from lower floor 12 it
The step 1 of lower appearance enters under top floor 13, under the state substantially swung to after the reversion of upper terminal gear 14 returns
Portion's extreme gear 13, occurs under lower floor again.In addition, step is referred to as with the mobile section of substantially inverted state
Return to side.On the other hand, step is referred to as traveling side with the mobile section in usual direction, and the step of traveling side is obliquely upward substantially
The section linearly moved is referred to as the rake 18 of escalator, under being referred to as than rake 18 by the part of lower part floor side
Portion's horizontal part 17 is referred to as upper level portion 19 by the part of top floor side than rake 18.
The configuration of line sensor 21 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 is the structure member of rake 18, the length of lower edge part 20
It is parallel with the moving direction of step 1 in rake 18 to spend direction.Line sensor 21 includes: the light projector for projecting laser on straight line
Portion；With the acceptance part with the multiple light receiving elements of configuration on straight line, light-projecting portion and acceptance part are matched in a manner of across step 1
It sets.When step 1 is by between light-projecting portion and acceptance part, laser is covered by step 1, therefore can measure configuration wired sensor 21
Position at step 1 tyre tread 2 at a distance from lower edge part 20.Line sensor 21 is configured in the traveling side of step returned in side
To side, continuously detect the position of the generally vertical direction of the step tyre tread at the position.Arithmetic unit 22 is according to step
The time change of the generally vertical direction position of tyre 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 indicates that time of the tyre tread 2 of the step 1 at the position of configuration wired sensor 21 at a distance from lower edge part 20 becomes
Change.Using Fig. 3 to time change of the tyre tread 2 of the step 1 at the position of layout line sensor 21 at a distance from lower edge part 20 into
Row explanation.Fig. 3 be measured by line sensor 21 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 be its distance, horizontal axis is the moment.The portion of shield wire sensor 21 is described under horizontal axis
Position.When step 1a passes through line sensor 21, since tyre tread 2 is the plane not parallel with lower edge part 20, the distance is linearly
It reduces.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 end of tyre tread 2 of next step 1b, therefore the boundary of two steps it is above-mentioned away from
Increase from moment.Deformation if there is tyre tread 2 etc. is abnormal, then shown in dotted line, can observe different from linearly reducing
Time change waveform.
Therefore, arithmetic unit 22 detects the tyre tread of new step at the time of above-mentioned distance instantaneously varies widely
2 beginning, the control when the variation of the above-mentioned distance until detecting lifter is more than prescribed limit, to escalator
Device 23 exports stop signal.Preferably, which surveys according in Fig. 3 in the detection moment of the tyre tread 2 of new step
Above-mentioned distance, with the moment add according to step movement speed and the calculated required time of 1 size of step and obtain
To at the time of the above-mentioned distance that measures, provided according to the dimensional tolerance of regulation.
By using this structure, it is stepped on even if the length direction of tyre 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 tyre tread 2, also can easily detect state outstanding.It can
It prevents comb teeth (comb plate) collision of the protrusion and the front end for being located at lower floor 11 or top floor 13 and causes
The damage of these positions.
Fig. 4 indicates the stainless steel step that tyre tread 2 is fastened by bolts or welds and installs in the stepped configuration of dichotomic type.Benefit
It is carried out with effect of the Fig. 4 to the stainless steel step that tyre tread 2 in the stepped configuration of dichotomic type is fastened by bolts or welds and installs
Explanation.Stainless steel step is that the tyre tread 2 formed by stainless-steel sheet is connected to front-wheel mounting portion 5 via the A-frame 4 of steel
With the structure of rear-wheel 6.In addition, front wheels and rear wheels 6 walk on respective guide rail and support step 1.External force outside as anticipation
Damaged mode when acting on stainless steel step, it is contemplated that damaged, the tilting of 2 part of tyre tread damage that there are the installation positions of tyre tread 2
Bad mode.
In addition, as the defective pattern that similarly will appear in aluminum step, it is contemplated that there are the breakage of rear-wheel itself, after
The breakage of wheel installation bolt, which is another stair structure, is pacified with tyre tread 2, lifter 3, A-frame 4, front-wheel
The aluminium casting that the corresponding position in dress portion 5 is integrally constituted.In the defective pattern, step entirety occurs is closely located to lower edge part 20
Variation.For these defective patterns, since the abnormal detector measurement tyre tread 2 of the present embodiment is at a distance from lower edge part 20,
Therefore it is capable of detecting when the exception of stepped, prevents step 1 and above-mentioned comb teeth from colliding.
Herein, when that learning functionality can be arranged in arithmetic unit 22, can also escalator dispatch from the factory when or installation
When stepped be normal in the state of, 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 range.
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 that can ensure the length of light-projecting portion and acceptance part in vertical guide above-mentioned coplanar laser illumination can tilt.At this point,
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 decline.
In addition, being the transmission sensors with light-projecting portion and acceptance part for line sensor 21 in the above description
The case where be illustrated, but configure the light quilt of light-projecting portion and acceptance part, light-projecting portion irradiation in the side of the moving direction of step 1
The reflected light formula sensor that step 1 is captured after reflecting by acceptance part, can also obtain same effect.
Fig. 5 is the enlarged drawing of the end for the tyre tread 2 observed from the moving direction of step.Illustrated with Fig. 5 by tyre tread 2
The case where abnormal detector of the present embodiment is set in the escalator that the step for the structure that side is got higher is constituted.Tyre tread 2 wraps
Include stainless steel peak potion 7 and plastics peak potion 8.Plastics peak potion 8 is by the peak potion 8c with stainless 7 roughly same height of steel peak potion
It is constituted with peak potion 8a, 8b than peak potion 8c high.For example, the plastics such as polycarbonate are compared with stainless steel, due to a part of wave
Long light have high-transmission rate, therefore line sensor 21 from the right of figure irradiate laser when will not be hindered by high peak potion 8a, 8b,
7 front end of peak potion can be measured at a distance from lower edge part 20.
Attached drawing marks explanation
1 ... step
2 ... tyre treads
11 ... lower floors
13 ... tops floor
18 ... rakes
20 ... lower edge parts
21 ... line sensors.
Claims (6)
1. a kind of apparatus of passenger conveyor that passenger is loaded in step and is conveyed characterized by comprising
Line sensor, the lower edge part configured in the side for returning to the direction of travel in side of the step, continuously detection should
The generally vertical direction position of the step tyre tread of position, the lower edge part are the ladders as traveling side of the apparatus of passenger conveyor
The structure member of the rake in the section that grade moves generally in straight line obliquely upward；
The abnormal arithmetic unit of stepped is detected according to the time change of the generally vertical direction position；With
Make the control device of the apparatus of passenger conveyor emergent stopping according to the output of the arithmetic unit,
The arithmetic unit identifies the row of the step tyre tread according to the time change of the generally vertical direction position
Into the front-end and back-end in direction, when the time change of the generally vertical direction position between them is not linear, identification
The exception of the stepped out,
When a step passes through the line sensor, the tyre tread of a step is the plane not parallel with the lower edge part,
The tyre tread of one step is linearly reduced at a distance from the lower edge part, and pass through the line sensor after tyre tread is to rise
Device drops, the lifter of a step increases at a distance from the lower edge part, the end of the lifter of a step with it is next
The position of the end of the tyre tread of step is different, above-mentioned apart from moment increase in the boundary of two steps, if there is the different of tyre tread
Often, then the time change waveform different from linearly reducing can be observed.
2. apparatus of passenger conveyor as described in claim 1, it is characterised in that:
The arithmetic unit store the stepped it is normal when the measured generally vertical direction position time change,
When the generally vertical direction position of the storage and the difference of the generally vertical direction position measured are more than prescribed limit,
Identify the exception of the stepped.
3. apparatus of passenger conveyor as claimed in claim 1 or 2, it is characterised in that:
The line sensor is following transmission-type line sensor:
It includes light-projecting portion and acceptance part of the separate configuration in the left and right of the direction of travel of the step,
Light-projecting portion irradiation light on the straight line of generally vertical direction to the acceptance part, also, the acceptance part has
Configuration with the light receiving element on the straight line of the straight line parallel.
4. apparatus of passenger conveyor as claimed in claim 1 or 2, it is characterised in that:
The line sensor is following reflected light formula line sensor:
It includes the light-projecting portion and acceptance part of side of the separate configuration in the left and right of the direction of travel of the step,
Light-projecting portion irradiation light on the straight line of generally vertical direction to the step, also, the acceptance part have match
Set with the light receiving element on the straight line of the straight line parallel.
5. apparatus of passenger conveyor as claimed in claim 3, it is characterised in that:
In the step tyre tread, the plastic section at the left and right end of direction of travel is higher than the stainless steel portion of central portion,
The light of light-projecting portion irradiation include compared with the stainless steel portion, the plastic section there is sufficiently high transmissivity
Wavelength.
6. a kind of abnormal detector for the apparatus of passenger conveyor that passenger is loaded in step and is conveyed, which is characterized in that packet
It includes:
Line sensor, the lower edge part configured in the side for returning to the direction of travel in side of the step, continuously detection should
The generally vertical direction position of the step tyre tread of position, the lower edge part are the ladders as traveling side of the apparatus of passenger conveyor
The structure member of the rake in the section that grade moves generally in straight line obliquely upward；
Arithmetic unit identifies the traveling of the step tyre tread according to the time change of the generally vertical direction position
When the time change of the front-end and back-end in direction, the generally vertical direction position between them is not linear, identify
The exception of the stepped；With
Make the control device of the apparatus of passenger conveyor emergent stopping 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 acceptance part of the left and right of direction 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 acceptance part, also, the acceptance part have configuration with institute
The light receiving element on the straight line of straight line parallel is stated,
When a step passes through the line sensor, the tyre tread of a step is the plane not parallel with the lower edge part,
The tyre tread of one step is linearly reduced at a distance from the lower edge part, and pass through the line sensor after tyre tread is to rise
Device drops, the lifter of a step increases at a distance from the lower edge part, the end of the lifter of a step with it is next
The position of the end of the tyre tread of step is different, above-mentioned apart from moment increase in the boundary of two steps, if there is the different of tyre tread
Often, then the time change waveform different from linearly reducing can be observed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-133857 | 2016-07-06 | ||
| JP2016133857A JP6655488B2 (en) | 2016-07-06 | 2016-07-06 | Anomaly detection device for passenger conveyor or passenger conveyor steps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107585669A CN107585669A (en) | 2018-01-16 |
| CN107585669B true CN107585669B (en) | 2019-10-29 |
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| 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6462908B1 (en) * | 2018-01-10 | 2019-01-30 | 東芝エレベータ株式会社 | Escalator diagnostic device and escalator diagnostic method |
| WO2021260810A1 (en) * | 2020-06-23 | 2021-12-30 | 三菱電機ビルテクノサービス株式会社 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6655488B2 (en) | 2020-02-26 |
| JP2018002433A (en) | 2018-01-11 |
| CN107585669A (en) | 2018-01-16 |
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