CN106865397B - Apparatus of passenger conveyor - Google Patents
Apparatus of passenger conveyor Download PDFInfo
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- CN106865397B CN106865397B CN201610842159.7A CN201610842159A CN106865397B CN 106865397 B CN106865397 B CN 106865397B CN 201610842159 A CN201610842159 A CN 201610842159A CN 106865397 B CN106865397 B CN 106865397B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
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- Escalators And Moving Walkways (AREA)
Abstract
Apparatus of passenger conveyor has：The multiple steps moved between top stopping port and lower part stopping port；The motor that reducer shaft through driving band and retarder links；Driving force from retarder is inputted through drive chain to the sprocket wheel that step transmits, there is the motor control system of the torque of control motor and manage the control device of the torque instruction value sent to motor, motor control system has：Three-phase alternating current from three phase mains is transformed to the transverter of direct current；The smoothing capacity device for smoothing the DC voltage after being converted by transverter；By alternating current of the DC voltage conversion for assigned voltage and assigned frequency, inverter that the alternating current is exported to motor and exported from torque instruction value to control device；The control circuit of control signal is given to inverter, control device compares torque instruction value and torque judgment value from inverter, when torque instruction value deviates torque judgment value, is judged as producing exception in band or drive chain is driven, and performs operating stopping action.
Description
Technical field
The present invention relates to the apparatus of passenger conveyor such as a kind of escalator, electric road.
Background technology
Escalator, electric road as apparatus of passenger conveyor etc., which are configured to have, to be linked to be cyclic annular and between stopping port
Mobile step, set on the bannister of the both sides of step and on the bannister with the synchronization-moving mobile handrail of step, and will be terraced
Passenger in grade is carried to lower ladder way from boarding mouth.
When driving apparatus of passenger conveyor, usually using following driving device：By driving the connection horse such as band, drive chain
It reaches and retarder, the rotation of motor axis of rotation to reducer shaft is transmitted, retarder and sprocket wheel are linked by drive chain etc., will be subtracted
The rotation steering sprocket of fast device axis is transmitted, so as to drive the step linked with sprocket wheel.
In the case where using driving device, rotation detector on reducer shaft is set, carries out the speed of reducer shaft
Monitoring can export and detect the exception of the rotary speed of reducer shaft according to the detection of rotation detector.But it is carrying out
In the case of the speed monitoring of reducer shaft, when generating the exception associated with the cut-out of the sliding of driving band, drive chain, exist
The situation of variation can not be shown in the rotation of reducer shaft, thus can not reliably detect reducer shaft rotary speed it is different
Often.For example, in the case where drive chain is cut off, it, can not be from rotation detector since reducer shaft continues normal rotation
The exception of reducer shaft is detected in detection output.In addition, in the case where band is driven to slide, there are the rotations of reducer shaft
The speed turned continues the situation of normal condition within a certain period of time, therefore exists to from the detection of rotation detector output and detect
Time-consuming situation until going out the exception of reducer shaft.Accordingly, there exist have following manner：On driving band periphery, sensor is set
Deng and abnormal mode (referring to patent document 1) from the output detection driving band of sensor, set and sense on drive chain periphery
Device etc. and abnormal mode (with reference to patent document 2) from the output detection drive chain of sensor, carry out at the start it is special
Act and detected according to the operation information of inverter the abnormal mode of driving band (with reference to patent document 3).
Citation
Patent document 1：Japanese Unexamined Patent Publication 2004-137040 bulletins
Patent document 2：Japanese Unexamined Patent Publication 2001-261275 bulletins
Patent document 3：Japanese Unexamined Patent Publication 2008-169020 bulletins
In the first technology recorded in patent document 1, sensor is set on driving band periphery, is capable of detecting when driving band
Fracture, abrasion, elongation, sliding, abnormal as vibration.However, it is desirable to dedicated sensor is set.
In addition, in the first technology recorded in patent document 2, it is configured to transmit the tooth of sprocket wheel with main driving by setting
Top has the friction stopping device of predetermined distance and detects the load detecting portion of the load of motor, compares and is examined by load
The load that survey portion detects and the load without the motor in the state of passenger can be examined without being contacted with main driving transfer chain
Survey the cut-out of main driving transfer chain or the bending of exception etc..However, it is desirable to dedicated load detecting portion is set.
In addition, in the first technology recorded in patent document 3, using such as lower structure, that is, including：Monitoring is by being used to control
The mechanism of the activation bit of the drive motor of the torque instruction output of the driving of drive motor processed；Retarder is rotated into
The arrestment mechanism of row braking；Detect the rotation testing agency of the rotation status of retarder；Control the action of arrestment mechanism and prison
The information of apparent rotation testing agency and MA monitoring agency and the driving device control mechanism for controlling torque instruction mechanism；And band
Power MA monitoring agency, in the case where non-rotary state will be remained with carrier by arrestment mechanism to be driven to drive motor
Dynamic mode makes torque instruction mechanism send out order, if the output frequency of MA monitoring agency is constant as a result, is judged as not occurring
Band sliding, if also, the output frequency of MA monitoring agency change, judge band sliding occurs, so as to detect driving band
Tension it is abnormal.Although however, special action when passing through starting, the tension that can detect driving band is abnormal, in operation,
The tension that driving band can not be detected is abnormal.
Invention content
The object of the present invention is to provide a kind of apparatus of passenger conveyor, without being set on the periphery of driving force transfer mechanism
Put sensor special, it will be able to which in operation before step reaches velocity anomaly state, detection drives the different of force transfer mechanism
Normal and safety stop.
In order to solve the problem, the present invention provides a kind of apparatus of passenger conveyor, has：Multiple steps, they link
It is moved between top stopping port and lower part stopping port to be cyclic annular；Motor, via driving band and with the retarder of retarder
Axis links；And sprocket wheel, link, and the deceleration will be come from the rotary shaft driven by the retarder via drive chain
The driving force of device is transmitted to the step, which is characterized in that the apparatus of passenger conveyor has：Motor control system is used for
Control the torque of the motor；And control device, manage the torque instruction value sent to the motor, the motor control
System has：Three-phase alternating current from three phase mains is transformed to direct current by transverter；Smoothing capacity device makes to be changed by described
Flow the DC voltage smoothing after device transformation；The DC voltage conversion is assigned voltage and assigned frequency by inverter
Alternating current, and by the alternating current after converting exported to the motor and by with the output current value that is exported to the motor
Corresponding torque instruction value is exported to the control device；And control circuit, give control signal, institute to the inverter
Control device is stated to be compared the torque instruction value from the inverter and torque judgment value, it is inclined in the torque instruction value
In the case of from the torque judgment value, it is judged as transmitting in the driving force including the driving band or the drive chain
Exception is produced in mechanism, and performs operating stopping action.
Invention effect
According to the present invention, without setting sensor special on the periphery of driving force transfer mechanism, it will be able to exist in operation
Before step reaches velocity anomaly state, the abnormal and safety stop of detection driving force transfer mechanism.
Description of the drawings
Fig. 1 is the integrally-built brief side view cutaway drawing for the apparatus of passenger conveyor for showing one embodiment of the invention.
Fig. 2 is the structure chart for illustrating the structure of control device and driving device.
Fig. 3 is the performance plot for illustrating the variation of the torque instruction value of the boarding based on passenger.
Fig. 4 is the flow chart for illustrating the action of control device.
Reference sign：
1：Step；2：Mobile handrail；3：Bannister；4：Boarding mouth floor；5：Lower ladder way floor；6：Chain；7、8：Sprocket wheel；9：Horse
It reaches；10：Retarder；11：Driving device；12：Drive chain；13：Control device；14：Skirtboard portion；15：Retarder brake；16：
Operation control section；17：Torque exceptional value judging part；18：Inverter；19：Drive band；21：Reducer shaft rotation detector；22：
Sprocket wheel auxiliary brake；23：Motor auxiliary brake；25：Rotation detector；26：Velocity anomaly judging part.
Specific embodiment
Hereinafter, the embodiment of the present invention is described in detail using attached drawing.The present invention is not limited to following implementations
Example, various modifications example, application examples are also contained in the range of it among the technological concept of the present invention.
Fig. 1 is the integrally-built brief side view cutaway drawing for the apparatus of passenger conveyor for showing one embodiment of the invention.
In Fig. 1, it is cricoid multiple to be configured to have connection as escalator, electric road and the apparatus of passenger conveyor that functions
Step 1, configuration are in the left and right sides of each step 1 and mobile handrail 2 synchronization-moving with each step 1 and the mobile handrail 2 of bearing
Bannister 3.Each step 1 is configured to boarding mouth floor 4 of the connection as top stopping port and the lower ladder way as lower part stopping port
The movable passageway on floor 5 and can move.Bannister 3 stands up skirtboard portion 14.
In the moving area of each step 1, sprocket wheel 7,8 is configured to be separated from each other and rotate freely, and is rolled up on each sprocket wheel 7,8
It is wound with and links each step 1 for cricoid chain 6.Near sprocket wheel 8, driving device of the configuration with motor 9 with retarder 10
11, sprocket wheel 8 links via drive chain 12 with driving device 11.In addition, near driving device 11, it is configured to control drive
The control device 13 of dynamic device 11.
When the control by control device 13 rotates motor 9, the rotary speed of motor 9 is decelerated device 10 and slows down, and subtracts
The output of fast device 10 is transmitted via drive chain 12 to sprocket wheel 8, and each step 1 is moved along ascent direction or descent direction.Each step 1
By the movement synchronous with mobile handrail 2, when declining operating, passenger is carried from 4 downward ladder way floor 5 of boarding mouth floor,
When rising operating, passenger is carried from lower ladder way floor 5 to boarding mouth floor 4.
Fig. 2 is the structure chart for illustrating the structure of control device and driving device.In fig. 2, apparatus of passenger conveyor
Control system is configured to include control device 13, inverter 18, retarder brake 15, sprocket wheel auxiliary brake 22 and horse
Up to auxiliary brake 23 etc..
Control device 13 is in order to manage the torque instruction value relative to motor 9, such as by having CPU (Central
Processing Unit), memory, the messaging resources such as input/output interface (equal illustration omitted) computer installation structure
Into.At this point, in memory, as the program started by CPU, store operation control section 16, torque exceptional value judging part 17
And velocity anomaly judging part 26.
Operation control section 16 is whole to control device 13 to be uniformly controlled, and retarder brake 15, sprocket wheel is auxiliary
Brake 22 and motor auxiliary brake 23 is helped to be managed as control object, based on sentencing for torque exceptional value judging part 17
Disconnected result or the judging result of velocity anomaly judging part 26 and export halt instruction to inverter 18, and to retarder brake
15th, 23 output brake action command of sprocket wheel auxiliary brake 22 and motor auxiliary brake.At this point, operation control section 16 exists
In the case that torque exceptional value judging part 17 obtains abnormal judging result, as the operating stopping for stopping motor 9
Action, stops motor 9 to cut off the output of inverter 18, and halt instruction (outputting cutting severed finger is exported to inverter 18
Enable), stop as the operating that stops retarder brake 15, sprocket wheel auxiliary brake 22 and motor auxiliary brake 23
Stop is made, and refers to the action of retarder brake 15, sprocket wheel auxiliary brake 22 and 23 output brake of motor auxiliary brake
It enables.
Torque exceptional value judging part 17 obtains torque instruction value from inverter 18, compares torque instruction value and judges with torque
Value judges that torque instruction value whether in the range of torque judgment value, will determine that result is exported to operation control section 16.
Rotation of the velocity anomaly judging part 26 to the reducer shaft rotation detector 21 of the rotary speed of detection reducer shaft
Speed is compared with velocity estimated value (First Speed judgment value), to judge the rotary speed of reducer shaft rotation detector 21
It whether in the range of velocity estimated value, and will determine that result is exported to operation control section 16, and detection band movement helped
The detection speed of the rotation detector 25 of the rotary speed of the roll shaft of hand is compared with velocity estimated value (second speed judgment value)
Compared with to judge the detection speed of rotation detector 25 whether in the range of velocity estimated value, and will determine that result to operating
Control unit 16 exports.
Inverter 18 is structured to an element of the motor control system of torque or the driving of control motor 9.Horse
It is configured to have up to control system：Three-phase alternating current from three phase mains is transformed to direct current by transverter；Smoothing capacity device,
It makes the DC voltage after being converted by transverter smoothened；Inverter 18, by DC voltage conversion for assigned voltage and
The alternating current (AC signal) of assigned frequency, and the motor control signal based on the AC signal after transformation is exported to motor 9,
And torque instruction value corresponding with the output current value exported to motor 9 is exported to control device 13；And control circuit
(equal illustration omitted) gives control signal to inverter 18.
In inverter 18, for example, by using vector controlled, wherein, it will be flowed in the motor 9 being made of asynchronous motor
Current Decomposition be generate torque (rotary force) current component with generate magnetic flux current component, independently control each electric current into
Point, the direction of the magnetic flux of the rotating excitation field of motor 9 is controlled with size as vector.At this point, inverter 18 is from control
Device 13 receives situation, the i.e. judging result of torque exceptional value judging part 17 of operation instruction and velocity anomaly judging part 26
In the case of judging result difference is normal, according to the output current value calculating torque of inverter 18, refer to calculated value as torque
It enables value and is exported to control device 13, the rotation speed for controlling motor 9 is generated based on the control signal from control circuit
Degree, the motor control signal of direction of rotation, motor 9 is applied to by the motor control signal of generation.Inverter 18 controls motor 9
Thus rotary speed, direction of rotation control running speed (rotation direction), acceleration, the deceleration of each step 1.On the other hand,
In the case where receiving halt instruction from control device 13, inverter 18 shuts down and cuts off output.Direction is cut off as a result,
The power supply supply of motor 9, stops motor 9.
The rotary shaft of motor 9 is connect via driving band 19 with reducer shaft.The rotary shaft 24 driven by retarder 10 passes through
It is connect by drive chain 12 with sprocket wheel 8.At this point, the driving force from retarder 10 is via rotary shaft 24, drive chain 12 and chain
Wheel 8 is transmitted to step 1.Step retarder brake 15 is responded performs use from the brake action command of operation control section 16
In the brake action for stopping the rotation of retarder 10, sprocket wheel auxiliary brake 22 responds the braking from operation control section 16
Device action command and perform for make sprocket wheel 8 rotation stop brake action, motor auxiliary brake 23 response from fortune
Turn the brake action command of control unit 16 and perform the brake action for stopping the rotation of motor 9.
Fig. 3 is the performance plot for illustrating the variation of the torque instruction value of the boarding based on passenger.In Fig. 3 (A), (B),
Torque instruction value remains the value of constant during motor 9 is operated with constant speed, later, such as in each step 1
On take most two passengers successively in the case of, increase successively along characteristic 100, on the other hand, from each step 1 successively under
In the case of going most two passengers, reduced successively along characteristic 101.
Here, in the case where driving band 19 or drive chain 12 are cut off, since the load applied to driving device 11 is anxious
Become no-load condition acutely, therefore, as shown in Fig. 3 (A), torque instruction value is drastically reduced from constant value along characteristic 102,
As it is non-loaded when value.That is, torque instruction value deviates as defined in the characteristic 100 for representing normally to be worth with characteristic 101 normally
Range (range of the torque rate of change range based on passenger's boarding, the i.e. normal value of expression torque rate of change), becomes non-loaded
When value.
In addition, in the case where driving band 19 slides, gently rise it to being supported on for the application of driving device 11
Afterwards, it drastically reduces, therefore, as shown in Fig. 3 (B), torque instruction value steeply rises it in the value from constant along characteristic 103
Afterwards, it drastically reduces, constant torque command value when becoming band sliding.That is, torque instruction value deviates by representing the characteristic being normally worth
100 with characteristic 101 as defined in range (the torque rate of change range based on passenger's boarding, i.e. expression torque rate of change normal value
Range), become band sliding when constant torque command value.
Fig. 4 is the flow chart for illustrating the action of control device.In Fig. 4, in the case of in escalator operating,
The operation control section 16 of control device 13 exports operation instruction (S1) to inverter 18.At this point, inverter 18 is according to operation instruction
And apply to motor 9 for motor control signal of the control of motor 9 for constant rotary speed.When motor 9 is with constant rotation
When speed operates, the torque instruction value exported from inverter 18 is maintained as the value of constant.
During motor 9 is operated with constant rotary speed, control device 13 is based on reducer shaft rotation inspection
Whether (speed subtracts the speed for detecting output and judging motor 9 of survey device 21 in accelerating (in speed acceleration) or in deceleration
In speed) (S2), in the case where obtaining the judging result of affirmative by step S2, the processing of return to step S1, by step
In the case that S2 obtains the judging result of negative, when whether the change rate for judging torque instruction value is passenger's boarding more than
(S3).That is, the torque exceptional value judging part 17 of control device 13 judges the torque instruction value exported by inverter 18 with torque
The torque instruction value as defined in characteristic 100 (is set as upper limit value, the torque instruction value as defined in characteristic 101 is set as lower limit by value
The torque judgment value of value) be compared, come judge torque instruction value whether in torque judgment value range (torque judgment value
The range of upper limit value and lower limiting value) in, and will determine that result is exported to operation control section 16.
Control device 13 by step S3 in the case where obtaining the judging result of negative, the processing of return to step S1,
Obtained by step S3 the judging result of affirmative situation, i.e. torque instruction value deviate torque judgment value range in the case of,
The processing (S4) for the abnormality detection for being set as the driving band 19 or drive chain 12 as driving force transfer mechanism is performed, later, is held
Stopping action of the row for stopping operating (is used to stop motor 9, retarder 10 is further made to stop with sprocket wheel 8 as needed
Stopping action only) (S5), later, terminate the processing in the program.
In step S3 and S4, control device 13 deviates the model of torque judgment value in the torque instruction value from inverter 18
In the case of enclosing, drastically reduced using torque instruction value from constant value and become less than the lower limiting value of torque judgment value as condition,
The processing for the abnormality detection for being set as the cut-out based on driving band 19 or drive chain 12 is performed, with torque instruction value from constant value
Drastically increase and the upper limit value more than torque judgment value, become less than the lower limiting value of torque judgment value later as condition, execution is set
The processing of abnormality detection for the sliding based on driving band 19.It should be noted that the abnormal inspection of the sliding based on driving band 19
Surveying only can also drastically increase torque instruction value from constant value and the upper limit value more than torque judgment value is set as condition.At this
It, being capable of early detection in the case of kind.
In step s 5, operation control section 16 is with the judging result of the abnormality detection received from torque exceptional value judging part 17
For condition, halt instruction is exported to inverter 18.When inverter 18 receives halt instruction, inverter 18 shuts down and cuts off
Output.As a result, the power supply of cut-out towards motor 9 supplies, motor 9 stops.
In addition, in the case where the driving force transfer mechanism including driving band 19 or drive chain 12 is there are exception,
Even if there is a situation where that stopping retarder 10 also can not stop step 1, therefore, operation control section 16 from torque exceptional value to sentence
The judging result that disconnected portion 17 receives abnormality detection is condition, after halt instruction is exported to inverter 18, to retarder system
23 output brake action command of dynamic device 15, sprocket wheel auxiliary brake 22 and motor auxiliary brake.It it should be noted that should
The output of brake action command is necessary in the case of the abnormality detection based on driving band 19 or the cut-out of drive chain 12
, but be not essential in the case of the abnormality detection of the sliding based on driving band 19.But stop to safely operate
Only, it is also preferred that carrying out the output of the brake action command in the case of the abnormality detection of the sliding based on driving band 19.Subtract
Fast device brake 15, sprocket wheel auxiliary brake 22 and motor auxiliary brake 23 perform braking in response to brake action command
Device acts, and thus acts on retarder 10, sprocket wheel 8 and motor 9 brake force respectively, retarder 10, sprocket wheel 8 and motor 9 stop
Only.
According to the present embodiment, without on the periphery of the driving force transfer mechanism including driving band 19 or drive chain 12
Sensor special is set, it will be able to which in the operating of apparatus of passenger conveyor before step 1 reaches velocity anomaly state, detection is driven
The exception of power transfer mechanism makes apparatus of passenger conveyor safety stop.In addition, according to the present embodiment, sentence from torque exceptional value
In the case that disconnected portion 17 receives the judging result of abnormality detection, 23 sound of sprocket wheel auxiliary brake 22 and motor auxiliary brake
It answers brake action command and performs brake action, therefore can stop retarder 10, sprocket wheel 8 and motor.
It should be noted that the present invention is not limited to the above embodiments, various modifications example is included.It is for example, above-mentioned
In embodiment, illustrate the present invention for the ease of understanding and be described in detail, but be not necessarily defined to have illustrated complete
Portion's structure.For a part for the structure of embodiment, it can give and carry out the addition of other structures, eliminate, replace.
Alternatively, it is also possible to which some or all of above-mentioned each structure, function etc. are for example passed through integrated design circuit
Deng by hardware realization.In addition, above-mentioned each structure, function etc. can also be explained by processor, perform and realize each function
Program and realized by software.Realize the information such as the program, catalogue, file of each function can be pre-recorded in memory, hard disk,
The recording mediums such as recording devices or IC card, SD card, DVD such as SSD (Solid State Drive).
Claims (5)
1. a kind of apparatus of passenger conveyor, has：
Multiple steps, they link to be cyclic annular and are moved between top stopping port and lower part stopping port；
Motor links via driving band with the reducer shaft of retarder；And
Sprocket wheel links via drive chain with the rotary shaft that is driven by the retarder, and by the drive from the retarder
Power is transmitted to the step,
It is characterized in that,
The apparatus of passenger conveyor has：
Motor control system is used to control the torque of the motor；And
Control device manages the torque instruction value sent to the motor,
The motor control system has：
Three-phase alternating current from three phase mains is transformed to direct current by transverter；
Smoothing capacity device smooths the DC voltage after being converted by the transverter；
Inverter, by alternating current of the DC voltage conversion for assigned voltage and assigned frequency, and after this is converted
Alternating current is exported to the motor and by torque instruction value corresponding with the output current value exported to the motor to described
Control device exports；And
Control circuit gives control signal to the inverter,
The control device is compared the torque instruction value from the inverter and torque judgment value, refers in the torque
In the case of enabling the value deviation torque judgment value, it is judged as in the driving including the driving band or the drive chain
Exception is produced in force transfer mechanism, and performs operating stopping action.
2. apparatus of passenger conveyor according to claim 1, which is characterized in that
The control device in the case where the torque instruction value deviates the torque judgment value, with the torque instruction value from
Constant value drastically reduces and becomes less than the lower limiting value of the torque judgment value as condition, be judged as because of the driving band or
The cut-out of the drive chain and lead to exception.
3. apparatus of passenger conveyor according to claim 1, which is characterized in that
The control device in the case where the torque instruction value deviates the torque judgment value, with the torque instruction value from
Constant value drastically increase and more than the torque judgment value upper limit value for condition or with the torque instruction value from constant
Value drastically increase and the upper limit value more than the torque judgment value, the lower limiting value that then becomes smaller than the torque judgment value are
Condition is judged as leading to exception due to the sliding of the driving band.
4. apparatus of passenger conveyor according to any one of claim 1 to 3, which is characterized in that
The control device cuts off institute in the case where obtaining the abnormal judging result, as the operating stopping action
It states the output of inverter and stops the operating of the motor.
5. the apparatus of passenger conveyor according to Claims 2 or 3, which is characterized in that
Brake as described below is managed by the control device as control object：It performs to make the retarder
Rotation stop brake action retarder brake, perform for make the motor rotation stop brake action
Motor auxiliary brake and perform for make the sprocket wheel rotation stop brake action sprocket wheel auxiliary braking
In the case where obtaining the abnormal judging result, the operating of the inverter is made as the operating stopping action for device
Stop, and stop the operating of the motor, and make the retarder brake, the motor auxiliary via the inverter
Brake and the sprocket wheel auxiliary brake is helped to perform brake action.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-241493 | 2015-12-10 | ||
| JP2015241493A JP6537446B2 (en) | 2015-12-10 | 2015-12-10 | Passenger conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106865397A CN106865397A (en) | 2017-06-20 |
| CN106865397B true CN106865397B (en) | 2018-06-26 |
Family
ID=59058796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610842159.7A Active CN106865397B (en) | 2015-12-10 | 2016-09-22 | Apparatus of passenger conveyor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6537446B2 (en) |
| CN (1) | CN106865397B (en) |
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| JP2001261275A (en) * | 2000-03-16 | 2001-09-26 | Hitachi Ltd | Safety apparatus of passenger conveyer |
| JP2004137040A (en) * | 2002-10-18 | 2004-05-13 | Mitsubishi Electric Corp | Safety device of passenger conveyor |
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| CN102442604A (en) * | 2008-06-24 | 2012-05-09 | 株式会社日立建筑*** | Handrail drive force monitoring device for passenger conveyor |
| CN202542667U (en) * | 2011-12-27 | 2012-11-21 | 西子奥的斯电梯有限公司 | Escalator or moving sidewalk safety protecting device |
| CN102849597A (en) * | 2011-07-01 | 2013-01-02 | 松山特殊电梯有限公司 | Auxiliary braking device used for preventing inverted running and overspeed of escalator |
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| JPH07257867A (en) * | 1994-03-17 | 1995-10-09 | Hitachi Ltd | Safety device of escalator for wheel chair |
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| JP2005343625A (en) * | 2004-06-02 | 2005-12-15 | Mitsubishi Electric Corp | Emergency stop device for passenger conveyor |
| JP2007217090A (en) * | 2006-02-15 | 2007-08-30 | Mitsubishi Electric Corp | Passenger conveyor device |
| JP5963332B1 (en) * | 2015-03-09 | 2016-08-03 | 東芝エレベータ株式会社 | Transport device |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001261275A (en) * | 2000-03-16 | 2001-09-26 | Hitachi Ltd | Safety apparatus of passenger conveyer |
| JP2004137040A (en) * | 2002-10-18 | 2004-05-13 | Mitsubishi Electric Corp | Safety device of passenger conveyor |
| CN101224844A (en) * | 2007-01-15 | 2008-07-23 | 株式会社日立建筑*** | Belt teonsion mornitoring device for passenger conveying apparatus |
| CN102442604A (en) * | 2008-06-24 | 2012-05-09 | 株式会社日立建筑*** | Handrail drive force monitoring device for passenger conveyor |
| CN102398843A (en) * | 2010-09-09 | 2012-04-04 | 株式会社日立建筑*** | Passenger conveyor armrest driving force diagnosing device and armrest driving force diagnosing method |
| CN102849597A (en) * | 2011-07-01 | 2013-01-02 | 松山特殊电梯有限公司 | Auxiliary braking device used for preventing inverted running and overspeed of escalator |
| CN202542667U (en) * | 2011-12-27 | 2012-11-21 | 西子奥的斯电梯有限公司 | Escalator or moving sidewalk safety protecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017105607A (en) | 2017-06-15 |
| JP6537446B2 (en) | 2019-07-03 |
| CN106865397A (en) | 2017-06-20 |
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