CN107304023A - The control system of escalator - Google Patents
The control system of escalator Download PDFInfo
- Publication number
- CN107304023A CN107304023A CN201611010324.9A CN201611010324A CN107304023A CN 107304023 A CN107304023 A CN 107304023A CN 201611010324 A CN201611010324 A CN 201611010324A CN 107304023 A CN107304023 A CN 107304023A
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- Prior art keywords
- mentioned
- decline
- rising
- escalator
- power supply
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
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- Escalators And Moving Walkways (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Embodiments of the present invention are related to the control system of escalator.Immediately the control system of the escalator that power failure, rising escalator also can slowly stop is provided.Even if three phase mains (101) has a power failure, using the decline of decline escalator (10D) is applied to the electric power of smoothing capacity device (107D) from decline with motor (20D), the rotation of the rising motor (20U) of rising escalator (10U) is also gradually slowed down, and can be stopped in the case where making passenger keep one's legs.
Description
The reference of the related applications such as basis for priority：
The application is with the Japanese patent application P2016-085139 (applyings date：04/21/2016) based on, enjoy coming from and be somebody's turn to do
The priority of application.The application includes the entire disclosure of which by referring to this application.
Technical field
Embodiments of the present invention are related to the control system of escalator.
Background technology
In the past, on escalator, lose and have a power failure if located in the three phase mains of set building, then due to losing
Its power source is removed, so the motor of driving step stops, and electromagnetic brake is acted, step emergent stopping.
Now, escalator is in the case of decline is operating, and due to gravity, the inertia force of passenger is acted on downwards, electromagnetism
The effective condition of brake slows down, and step stops at leisure.
But, if escalator is in operation is risen, the inertia force of passenger caused by gravity disappears immediately, same with this
When, electromagnetic brake action, motor emergent stopping.It is easily unbalanced accordingly, there exist the passenger on escalator step
Problem.
The content of the invention
Therefore, embodiments of the present invention are exactly in view of the above problems, even if its object is to provide a kind of power failure, rise
The control system for the escalator that also can be slowly stopped with escalator.
Embodiments of the present invention are a kind of control systems of escalator, it is characterised in that including：Power supply；Rise and use
Escalator, with making rising motor that multiple steps that connection circularizes rise, make the rotation of above-mentioned rising motor
Turn the rising stopped with electromagnetic brake and rising drive circuit；And decline escalator, with make connection cyclization
The decline that multiple steps of shape decline is with motor, the decline electromagnetic brake for making above-mentioned decline be stopped with the rotation of motor
And decline drive circuit, above-mentioned rising has with drive circuit：Be connected to rising dc bus on above-mentioned power supply, with
And the rising inverter circuit for being connected and making above-mentioned rising to be rotated with motor with dc bus with above-mentioned rising；Above-mentioned decline is used
Drive circuit has：The decline dc bus that is connected on above-mentioned power supply, with above-mentioned decline with dc bus it is connected and is made
State the decline inverter circuit that decline motor rotates and the recovery electric capacity being connected on above-mentioned decline dc bus
Device, above-mentioned control system have be connected to it is between above-mentioned rising dc bus and above-mentioned decline dc bus, above-mentioned
Become the bus connecting valve of closure state during power outage.
Brief description of the drawings
Fig. 1 is the side view for the escalator for representing an embodiment of the invention；
Fig. 2 is the circuit diagram of control system；
Fig. 3 is the flow chart for the processing for representing control system.
Embodiment
Illustrate the control system of an embodiment of the invention according to Fig. 1~Fig. 3.Control system control rises with automatic
Escalator 10D is used in staircase 10U and decline.
(1) escalator 10U, 10D
Illustrate the structure of each escalator 10U, 10D (mark is expressed as " 10 " by following unification) according to Fig. 1.Fig. 1 be from
The explanation figure of escalator 10 is seen in side.
As escalator 10 framework truss 12 across building 1 the upper and lower and by support angle steel 2,3
Hold.
Inside in the Machine Room 14 of the upper strata side positioned at the upper end of truss 12, is provided with the driving for making step 30 walk
Device 18, pair of right and left main drive sprocket 24,24 and pair of right and left handrail friction pulley 27,27.The drive device 18 has electricity
Motivation 20, decelerator, the output chain gear on the output shaft of the decelerator, the drive chain 22 driven by the output chain gear,
And stop the rotation of motor 20 and keep the electromagnetic brake 110 (reference picture 2) of halted state.Utilize the drive chain
22, pair of right and left main drive sprocket 24,24 is rotated.Pair of right and left main drive sprocket 24,24 and the handrail of pair of right and left rub
Wipe wheel 27,27 to be connected by connect band (not shown), synchronous rotary.Also, it is internally provided with the Machine Room 14 of upper strata side
Control the control unit 50 of motor 20, electromagnetic brake 110 etc..
In the Machine Room 16 of the lower floor side positioned at the bottom of truss 12, pair of right and left driven sprocket 26,26 is provided with.
Between the pair of right and left main drive sprocket 24,24 of upper strata side and the pair of right and left driven sprocket 26,26 of lower floor side, across around
There is the annular step chain 28,28 of pair of right and left.Multiple steps are equally spaced installed on pair of right and left step chain 28,28
30.When motor 20 rotates, the front-wheel 301 of step 30 is walked on truss 12 on the guide rail (not shown) of fixation, trailing wheel 302
Walked on truss 12 on fixed guide rail 25.
In the left and right sides of truss 12, erect and be provided with pair of right and left railing 36,36.Handrail is set to lead on the top of the railing 36
Rail 39, annular handrail 38 is moved along the Armrest guide rail 39.Positive bottom in the upper strata side of railing 36, is provided with upper strata one
The front skirt panel 40 of side, the positive bottom in lower floor side is provided with the front skirt panel 42 of lower floor side, from front apron
Plate 40,42 protrudes the inlet portion 46,48 as the gateway of handrail 38 respectively.
In the side lower of railing 36, skirt panel 44, the row between pair of right and left skirt panel 44,44 of step 30 are provided with
Walk.In the medial surface of the skirt panel 44 of levels, control panel 52,56, loudspeaker 54,58 are respectively arranged with.
Handrail 38 enters in front skirt panel 40 from the inlet portion 46 of upper strata side, passes through what is be made up of multiple guide reels
Roller group 64 is guided across being wound on handrail friction pulley 27, then, by the guiding roller group 66 that is made up of multiple guide reels in skirt panel
Move, be exposed to from the inlet portion 46 of lower floor side outside front skirt panel 42 in 44.Also, handrail 38 passes through handrail friction pulley
27 together with main drive sprocket 24 rotation and with the synchronizing moving of step 30.Also, with by being rubbed for the handrail that is squeezed in rotation
Wipe the pressure zone roller group 68 that the multiple pressure zone rollers for the handrail 38 walked on wheel 27 are constituted.
It is that on the top surface of Machine Room 14, being horizontally disposed with has in the boarding mouth of the pair of right and left skirt panel 44,44 of upper strata side
The boarding plate 32 of upper strata side.It is on the top surface of Machine Room 16 in the boarding mouth of the pair of right and left skirt panel 44,44 of lower floor side,
It is horizontally disposed with the boarding plate 34 for having lower floor side.The top of the boarding plate 32 of upper strata side is provided with the fishback of comb teeth-shaped
60, step 30 enters the fishback 60.Also, it is also equipped with the fishback of comb teeth-shaped on the top of the boarding plate 34 of lower floor side
62。
Safety device 70 is provided with escalator 10.As safety device 70, have and be arranged on enclosing on skirt panel 44
Skirtboard clamps detection means, and the entrance being arranged on inlet portion 46,48 clamps detection means, and the step being arranged on guide rail 25 is floated
Play detection means, step chain break detector apparatus, emergency stop button etc..It is to foreign matter (example that skirt panel, which clamps detection means,
Such as clothes or luggage) device that situation about being clipped between skirt panel 44 and step 30 is detected, entrance, which clamps detection means, is
Foreign matter (hand or luggage of such as passenger) is drawn into inlet portion 46 or inlet portion that handrail 38 is entered simultaneously with handrail 38
The device detected when 48.Safety device 70 is connected on control unit 50, and one in the safety device 70 is acted
In the case of, control unit 50 stops motor 20, and acts electromagnetic brake 110, stops escalator 10.
(2) control system
Illustrate the structure of the control system of present embodiment then according to Fig. 2.Control system is with a three phase mains 101
The system used when driving rising with escalator 10U and decline with escalator 10D.Fig. 2 is the circuit diagram of control system, tool
There is rising with escalator 10U rising with the decline drive circuit of drive circuit 100U and decline with escalator 10D
100D.Wherein, subscript " U " represents rising escalator 10U part, and subscript " D " represents decline escalator 10D portion
The subscript of part.Also, three phase mains 101 is arranged in building 1.
First, rising escalator 10U circuit is illustrated.Rising is connected to three phase mains with power cut detection device 102U
On 101.Rising is the device acted in the case of the power failure of three phase mains 101, the relevant action with power cut detection device 102U
It is discussed below.In rising with being connected with rising control unit 50U and rising drive circuit 100U on power cut detection device 102U.
Rising is with control unit 50U by the power drives from three phase mains 101.
Rising drive circuit 100U has rising rectification circuit 105U, rising smoothing capacity device 107U, rises and use
Inverter circuit 106U.The three-phase alternating current of three phase mains 101 is transformed into direct current by rising with rectification circuit 105U.Rise with smooth electricity
Container 107U is to carry out smooth smooth circuit for the direct current after being converted to rising with rectification circuit 105U.Rise with inversion electricity
Road 106U is connected to smoothing capacity device 107U outlet side by rising dc bus 103U, in the rising inverter circuit
106U output side is connected with as the rising of three phase induction motor motor 120U.
Rising is arranged at electromagnetic brake 110U in rising motor 20U rotary shaft, by being used as dc source
Rising is driven and acted with brake power supply 112U.Rising is to make two in three phase mains 101 with brake power supply 112U
The power supply branch of phase simultaneously carries out what is provided after rectification.Rising with electromagnetic brake 110U and rising brake power supply 112U it
Between be connected with the rising of b contact types diode 116U prevented with reverse current with brake run switch 111U and rising.Rising
Risen with escalator 10U in operation, the rising of b contact types is closure state, DC brake with brake run switch 111U
Power supply is provided to rising electromagnetic brake 110U, and rising electromagnetic brake 110U becomes open mode, rises with electronic
Machine 20U can rotate.When rising is stopped with escalator 10U, the rising of b contact types is disconnection with brake run switch 111U
State, DC brake power supply is not applied to rising electromagnetic brake 110U, and rising electromagnetic brake 110U becomes tight
Solid fraction state, rising motor 20U can not rotate.
In rising with dc bus 103U, a contact types rising braking is connected in parallel to rising inverter circuit 106
Device shutdown switch 114U one end.In the other end of the rising with brake shutdown switch 114U, rising adjustment is connected in series with
Resistance 115U, rising prevent diode 108U with reverse current, are prevented from being connected with diode 108U with reverse current in rising
Electromagnetic brake 110U is used in rising.In addition, it is to be used to provide from rising dc bus 103U to rise with adjustment resistance 115U
Electric current rising electromagnetic brake 110U resistive element is supplied to appropriate current value.
Then decline escalator 10D circuit is illustrated.
Decline is connected on three phase mains 101 with power cut detection device 102D.Decline power cut detection device 102D is three
The device that phase power supply 101 is acted when having a power failure, relevant action is discussed below.Decline is connected with down with power cut detection device 102D
Drop uses drive circuit 100D with control unit 50D and decline.Decline is with control unit 50D by the power drives from three phase mains 101.
Decline drive circuit 100D, which has decline rectification circuit 105D, decline smoothing capacity device 107D and declined, to be used
Inverter circuit 106D.The three-phase alternating current of three phase mains 101 is transformed into direct current by decline with rectification circuit 105D.Decline with smooth electricity
Container 107D is for carrying out smooth smooth circuit to the direct current that decline is converted with rectification circuit 105D.Decline inverter circuit
106D is connected to smoothing capacity device 107D output side by decline dc bus 103D, in the decline inverter circuit
106D output side is connected with as the decline of three phase induction motor motor 20D.
Decline is arranged at electromagnetic brake 110D in decline motor 20D rotary shaft, by being used as dc source
Decline is driven and acted with brake power supply 112D.Decline is to make two in three phase mains 101 with brake power supply 112D
The power supply branch of phase simultaneously carries out rectification and provided.Decline with electromagnetic brake 110D and decline brake power supply 112D it
Between be connected with the decline of b contact types diode 116D prevented with reverse current with brake run switch 111D and decline.Declining
Declined with escalator 10D in operation, the decline of b contact types is closure state, DC brake with brake run switch 111D
Power supply is provided to decline electromagnetic brake 110D, and decline electromagnetic brake 110D becomes open mode, declines with electronic
Machine 20D can rotate.When decline is stopped with escalator 10D, the decline of b contact types is disconnection with brake run switch 111D
State, DC brake power supply is not applied to decline electromagnetic brake 110D, and decline electromagnetic brake 110D becomes tight
Solid fraction state, decline motor 20D can not rotate.
In decline with dc bus 103D, a contact types decline braking is connected in parallel to decline inverter circuit 106
Device shutdown switch 114D one end.Decline adjustment electricity is connected in series with the brake shutdown switch 114D other end in decline
Resistance 115D, decline prevent diode 108D with reverse current, in the case where decline is prevented from being connected with diode 108D with reverse current
Drop uses electromagnetic brake 110D.In addition, it is for will be provided from decline dc bus 103D to decline with adjustment resistance 115D
Electric current is supplied to decline electromagnetic brake 110D resistive element with appropriate current value.
Rising is connected with dc bus 103U positive side and decline dc bus 103D positive side bus connection wire 104P
Connect, the minus side bus connection wire 104M connections of rising dc bus 103U minus side and decline dc bus 103D.And
And, a contact type buses connecting valve 113 of linkage is connected between bus connection wire 104P and bus connection wire 104M,
Three phase mains 101 becomes closure state in the case of having a power failure.
Rising is made up of with power cut detection device 102U DC circuit, includes a contact type rising brake shutdown switches
114U, b contact type rise the guard relay with brake run switch 111U, a contact type bus connecting valve 113, in inspection
In the case of measuring the power failure of three phase mains 101, a contact type rising brake shutdown switches 114U is become closure state, make b
Contact type rising brake run switch 111U becomes off-state, and then, become a contact type buses connecting valve 113
Closure state.
Decline is made up of with power cut detection device 102D DC circuit, includes a contact type decline brake shutdown switches
114D, b contact type decline the guard relay with brake run switch 111D, are detecting the feelings of the power failure of three phase mains 101
Under condition, a contact type decline brake shutdown switches 114D is become closure state, b contact type declines is run with brake
Switch 111D becomes off-state.
(3) operating state of control system
Illustrate the operating state of control system 4 according to Fig. 3 flow chart.
In step S1, S2, three phase mains 101 starts to ramp up respectively with escalator 10U and decline escalator
10D provides three phase mains.Because rising control unit 50U and decline control unit 50D is provided three-phase electricity from three phase mains 101
Source, thus respectively using inverter circuit 106U, 106D with specified reverse frequency to rising is with motor 20U and declines with electronic
Machine 20D carries out inversion control, rising motor 20U and decline motor 20D is rotated with specified rotary speed.This
When, because rising with brake run switch 111U and decline is closure state, rising system with brake run switch 111D
Dynamic device shutdown switch 114U and decline are off-state with brake shutdown switch 114D, therefore to the system of electromagnetic brake 110
Dynamic device power supply is provided by Fig. 2 arrow 117U, 117D circuit.Then, into step S3.
In step S3, S4, rising power cut detection device 102U and decline power cut detection device 102D start detection
Whether three phase mains 101 has a power failure.Rising power cut detection device 102U and decline power cut detection device 102D are detecting three
Phase power supply 101 proceeds to step S5 (being the situation of "Yes") in the case of having a power failure, continue step in the case where not detecting
S4 (being the situation of "No").
In step S5, S6, rising detects three with power cut detection device 102U and decline with power cut detection device 102D
Phase power supply 101 has a power failure, therefore rises with power cut detection device 102U and decline with the holding relay in power cut detection device 102D
Device is de-energized, and bus connecting valve 113, rising brake shutdown switch 114U and decline braking shutdown switch 114D become
Closure state, rising brake run switch 111U and decline brake run switch 111D become off-state.In addition,
Because rising is made up of with power cut detection device 102U and decline with power cut detection device 102D DC circuit, therefore, using straight
The time constant of supply unit is flowed, even if not providing three phase mains, circuit operation can also be held in units of hundreds of milliseconds
OK, also, because each switch (contact) of action is to maintain relay, therefore, after time constant, a contact types
Contact can be also kept closed, and the contact of b contact types can also be remained off.Then, step S7 is proceeded to.
It is disconnected because rising running under braking switchs 111U and decline running under braking switch 111D in step S7, S8
Open state, rising is closure state with brake shutdown switch 114D with brake shutdown switch 114U and decline, therefore to electricity
The supply of magnetic brake 110U, D brake power supply becomes arrow 118U, 118D from Fig. 2 arrow 117U, 117D circuit
Circuit.Also, on giving rising motor 20U and decline motor 20D and rising electromagnetic brake 110U and decline
The brake power supply provided with electromagnetic brake 110D, can be by saving in rising smoothing capacity device 107U and declining with smooth
Electric charge in capacitor 107D is provided.Now, in the case of there is passenger on decline escalator 10D, as recovery fortune
OK, electric charge is saved into decline smoothing capacity device 107D.On the other hand, there is passenger on rising escalator 10U
In the case of, as power run (power running), savings rising with the electric charge in smoothing capacity device 107U immediately by
It is finished, rising inverter circuit 106U can not provide power supply to rising motor 20U, rising electromagnetic brake 110U.But
It is that bus connecting valve 113 becomes closure state, declines with dc bus 103D and rise with dc bus 103U connections, energy
It is enough that savings are supplied to rising drive circuit 100 in decline with the electric charge in smoothing capacity device 107D.Therefore, it is possible to utilize come
The rotation for making decline motor 20D from decline smoothing capacity device 107D power supply continues, and decline electromagnetic brake
110D is also failure to actuate, and can continue rising motor 20U rotation, rises also motionless with electromagnetic brake 110U
Make.Then, step S9 is proceeded to.
In step s 9, rising is utilized with control unit 50D with control unit 50U and decline and comes from decline smoothing capacity device
107D power supply make the reverse frequency of the driving current from rising inverter circuit 106U and decline inverter circuit 106D by
It is decrescence small.Also, rising motor 20U and decline motor 20D is gradually slowed down and is stopped.Then proceed to step
S10。
In step slo, rise and stopped with escalator 10U and decline escalator 10D, return to step S2.
(4) effect
According to above-mentioned embodiment, even if three phase mains 101 has a power failure, bus connecting valve 113 becomes closure state, declines
It is connected with dc bus 103D with rising with dc bus 103U, savings is applied in decline with the electric charge in smoothing capacity device 107D
Rising escalator 10U rising motor 20U is added to, so that decline motor of the decline with escalator 10D
20D also gradually slows down, and can be stopped in the case where making passenger keep one's legs.
Also, rising with electromagnetic brake 110U, decline with electromagnetic brake 110D nor act immediately, can make
Rise with motor 20U, decline with motor 20D rotations.
(5) variation
Although in the above-described embodiment using decline with smoothing capacity device 107D as recover capacitor, after power failure
Power supply supply source, but in the case where that fully can not provide power supply with smoothing capacity device 107D using only the decline, can also be with
Decline is connected in parallel the second recovery capacitor with smoothing capacity device 107D, to improve capacity.Thus, that is saved in normal operation is extensive
Power of sending a telegram in reply increase, can fully provide for power supply.
Although rising escalator 10U and decline escalator 10D respectively have 1 in the above-described embodiment,
Each setting n platforms (n ＞ 1) can be distinguished, connected respectively with bus connection wire 113.
Although being explained above an embodiment of the invention, the embodiment is intended only as example proposition, not
Intend to limit the scope invented.These new embodiments can be implemented with other various forms, not depart from invention objective
In the range of can carry out it is a variety of omit, replace and change.These embodiments and its deformation not only be included in invention scope and
In objective, and in the invention recorded included in claims and its scope of equalization.
Claims (10)
1. a kind of control system of escalator, it is characterised in that including：
Power supply；
Rising escalator, with making rising motor that multiple steps that connection circularizes rise, use above-mentioned rising
The rising that the rotation of motor stops with electromagnetic brake and rising drive circuit, and
Decline escalator, with making decline motor that multiple steps that connection circularizes decline, use above-mentioned decline
The decline that the rotation of motor stops with electromagnetic brake and decline drive circuit,
Above-mentioned rising has with drive circuit：The rising on above-mentioned power supply is connected to use with dc bus and with above-mentioned rising
Dc bus connects and made the rising inverter circuit that above-mentioned rising is rotated with motor；
Above-mentioned decline has with drive circuit：Be connected to decline on above-mentioned power supply with dc bus, with above-mentioned decline direct current
Bus connects and made the decline inverter circuit and be connected to above-mentioned decline dc bus that above-mentioned decline motor rotates
On recovery capacitor；
Above-mentioned control system have be connected to it is between above-mentioned rising dc bus and above-mentioned decline dc bus, above-mentioned
Become the bus connecting valve of closure state during power outage.
2. the control system of escalator as claimed in claim 1, above-mentioned rising is used with inverter circuit and comes from above-mentioned recovery
The power supply of capacitor, after above-mentioned power failure, also makes the rotational deceleration of above-mentioned rising motor and stops.
3. the control system of escalator as claimed in claim 2, above-mentioned rising is used from above-mentioned extensive with electromagnetic brake
The power supply of telegram in reply container, even if being also failure to actuate after above-mentioned power failure, untill above-mentioned rising motor stops.
4. the control system of escalator as claimed in claim 1, the power failure with the power failure for detecting above-mentioned power supply detects dress
Put；
Above-mentioned power cut detection device makes above-mentioned bus connecting valve become closure state when detecting the power failure of above-mentioned power supply.
5. the control system of escalator as claimed in claim 4, above-mentioned power cut detection device is separately positioned on above-mentioned rising
With in drive circuit and above-mentioned decline drive circuit.
6. the control system of escalator as claimed in claim 1, has：
Brake power supply is used in rising, in above-mentioned rising escalator operation, and electricity is provided with electromagnetic brake to above-mentioned rising
Source；
Brake run switch use in rising, be connected to above-mentioned rising brake power supply and above-mentioned rising electromagnetic brake it
Between, become closure state when above-mentioned rising is run, off-state is become in above-mentioned power failure；
Brake power supply is used in decline, in above-mentioned decline escalator operation, and electricity is provided with electromagnetic brake to above-mentioned decline
Source；And
Brake run switch use in decline, be connected to above-mentioned decline brake power supply and above-mentioned decline electromagnetic brake it
Between, become closure state when above-mentioned decline is run, off-state is become in above-mentioned power failure.
7. the control system of escalator as claimed in claim 6, has：
Brake shutdown switch is used in rising, is connected between above-mentioned rising dc bus and above-mentioned rising electromagnetic brake,
Become off-state when above-mentioned rising is run, closure state is become in above-mentioned power failure；And
Brake shutdown switch is used in decline, is connected between above-mentioned decline dc bus and above-mentioned decline electromagnetic brake,
Become off-state when above-mentioned decline is run, closure state is become in above-mentioned power failure.
8. the control system of escalator as claimed in claim 1, above-mentioned power supply is three-phase ac power supply；
Above-mentioned rising drive circuit between above-mentioned power supply and above-mentioned rising inverter circuit have rising rectification circuit and
Rising smooth circuit；
Above-mentioned decline drive circuit between above-mentioned power supply and above-mentioned decline inverter circuit have decline rectification circuit and
Decline smooth circuit.
9. the control system of escalator as claimed in claim 8, above-mentioned recovery capacitor is to use flat included in above-mentioned decline
Decline smoothing capacity device in sliding circuit.
10. the control system of escalator as claimed in claim 9, is also connected in parallel to above-mentioned decline with smoothing capacity device
Second recovers capacitor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-085139 | 2016-04-21 | ||
| JP2016085139A JP6109992B1 (en) | 2016-04-21 | 2016-04-21 | Escalator control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107304023A true CN107304023A (en) | 2017-10-31 |
| CN107304023B CN107304023B (en) | 2018-10-12 |
Family
ID=58666394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010324.9A Active CN107304023B (en) | 2016-04-21 | 2016-11-17 | The control system of escalator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6109992B1 (en) |
| CN (1) | CN107304023B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6844643B2 (en) * | 2019-03-29 | 2021-03-17 | フジテック株式会社 | Passenger conveyor |
| WO2022244239A1 (en) * | 2021-05-21 | 2022-11-24 | 三菱電機株式会社 | Passenger conveyor control device |
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| Publication number | Publication date |
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| CN107304023B (en) | 2018-10-12 |
| JP6109992B1 (en) | 2017-04-05 |
| JP2017193413A (en) | 2017-10-26 |
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